DE102019132282A1 - Cutting tool - Google Patents

Abstract

A cutting tool (1) with a cutting edge (2) is proposed, the cutting edge (2) working against a counter cutting edge (3) of the cutting tool (1, 25) for a cutting process, and with a drive (4) for at least a cutting edge (2). According to the invention, the drive (4) has one side (5) of a mechanical interface (6) to a drill and / or to a screwdriver, the drill and / or the screwdriver having a side (5) of the mechanical interface (6) Opposite side (7), wherein in a state in which the drill and / or the screwdriver is connected to the cutting tool, the interface (6) is capable of simultaneously transmitting a counter torque to a drive torque via support means (30).

Description

State of the art

Cutting tools, for example cable and / or wire rope cutters with a drivable cutting edge for severing a strand-shaped workpiece or a cable or wire rope, are known.

Very high forces are sometimes required to cut comparatively resistant or larger-diameter workpieces or cables or wire ropes, which means that a comparatively powerful cutting edge drive must be used as a basis.

Object and advantages of the invention

The object of the present invention is to provide a tool of the type mentioned in the introduction which is economically and technically advantageous. In particular, a powerful, uniformly acting drive, which is reduced to a minimum, is to be provided for the tool, which is flexible with regard to the provision of the drive.

This task is solved by the independent claim.

Appropriate and advantageous developments of the invention are set out in the dependent claims.

The invention is based on a cutting tool, such as a cable and / or a wire rope cutter, with a cutting edge that works for a cutting process against a counter-cutting edge of the cutting tool, and with a drive for at least one cutting edge. Preferably only one of the two cutting edges can be driven. The other cutting edge, for example the counter cutting edge, is preferably present in a fixed position on the cutting tool, for example on a tool housing of the cutting tool.

The essence of the invention is to drive one side ( 5 ) has a mechanical interface to a drilling machine and / or to a screwdriver, the drilling machine and / or the screwing machine having an opposite side to the mechanical interface side, in a state in which the drilling machine and / or the screwing machine with the cutting tool is connected, the interface is capable of simultaneously transmitting a counter torque to a drive torque via support means. This provides a compact solution. In addition, defined and comparatively high forces and moments can be applied to drive the at least one cutting edge due to a drive motor of the drilling machine or the screwdriver.

The drive is part of the cutting tool and can be distinguished from a drive unit such as an electric motor of the drill or screwdriver. When the cutting tool is in operation, when the cutting tool is connected to the supporting means on the drilling machine or the screwdriver, the drive effect for the cutting tool is formed by the motor of the drilling machine or the screwdriver in cooperation with the drive of the cutting tool. The screwdriver is, for example, a cordless screwdriver.

The drive of the cutting tool is characterized in that a rotary movement provided from the outside, preferably by a rotating shaft or with a rotating shaft of the drilling machine or the screwdriver, can be transferred to a rotating component of the drive of the tool. In the cutting tool, the rotating component leads to the movement drive of the at least one cutting edge of the cutting tool.

The support means are preferably integrally present in the interface, in particular essentially present within a housing of the separating tool which encloses the separating tool on the outside. Only sections of the support means reach the tool side of the interface for contacting the opposite side on the drill or the screwdriver when the interface is closed.

The interface is a known interface, in particular in order to arrange a suitable angular gear for a drill drive or a screw drive on the drill or screwdriver at the interface. With the attached bevel gear a rotary drive drilling or screwing is possible.

A drill or a screwdriver, which is widely available, can advantageously be used as a drive motor for the cutting tool. The drill can otherwise be used for other purposes. It is advantageous that the cutting tool itself has no motor drive. This makes the cutting tool cheaper. In addition, the cutting tool has a lower weight compared to a cutting tool with its own motor. Finally, the cutting tool is compact or space-saving when not in use when the cutting tool is separated from the drill or the screwdriver. This is particularly advantageous with regard to transportation.

It is also advantageous that, in known drilling machines or known screwdrivers, one side of the interface is already integrated in the factory on the drilling machine, for example in order to be able to attach an angular gear, so that the drilling machine is angled to the longitudinal or rotational axis of a rotary shaft or Drill shaft can be worked or drilled. The interface of the cutting tool is matched to the interface side integrated in the drilling machine. With the transmission of the counter-torque in the attached state of the cutting tool or with the interface closed, a secure structural unit of the cutting tool with the drill or the screwdriver that is self-contained from the outside is provided.

Advantageously, with the accommodation of the counter torque transmission integrated in the cutting tool, the components which otherwise particularly interfere or which act externally on the drilling machine or the screwdriver can be dispensed with, which relate to the turning of parts of the cutting tool with the rotating rotary shaft or the rotating drilling head of the drilling machine in operation to prevent drilling machine. According to the invention, this function is integrated in the interface.

The interface is preferably designed such that the cutting tool can be used as a quick-change cutting tool. The cutting tool can thus be attached or detached to the drill or screwdriver in a simple or uncomplicated manner, preferably without additional aids.

It is advantageous that the drive has a transmission unit, the transmission unit being designed to pick up a rotary movement of a rotary shaft of the drilling machine or the screwdriver and to convert it into a linear movement of a plunger element of the drive of the cutting tool. This represents a compact design, in particular in a width direction and / or longitudinal direction of the plunger element. Starting from the torque that can be tapped at the rotary shaft, high forces can be provided on the plunger element, which are effective as a separating force when cutting with the drivable cutting edge. Finally, a plunger element can advantageously be designed as a mechanically heavy-duty component. The transmission unit preferably has components which interact in the manner of a transmission. The transmission unit is advantageously accommodated within a housing of the separating tool that is at least substantially closed to the outside. The housing is preferably flat on both sides or flat and plate-shaped. The transmission unit is preferably designed such that when the cutting tool is connected to the drill or screwdriver, the axis of rotation of the rotary shaft is perpendicular to the axis of movement of the plunger element, preferably the two axes intersect.

It is also advantageous if the transmission unit comprises an eccentric arrangement with a rotatable eccentric element, the eccentric arrangement being designed to convert a rotary movement of the eccentric element into a linear movement of the tappet element. Advantageously, the eccentric arrangement can be used to convert a continuously rotating rotary movement of the eccentric element in one direction of rotation, the rotary movement of the eccentric element being initiated by the rotating rotary shaft of the drill or of the screwdriver, into a linear movement of the plunger element or into a linear reciprocating movement.

The eccentric element has an axis of rotation about which the eccentric element can be rotated. The eccentric element is preferably disk-shaped with a transmission section which is present outside a center of the disk. The axis of rotation of the eccentric element can pass through the center of the disk or through the transmission section.

According to a modification according to the invention, the drive acts on a ratchet arrangement with which the at least one cutting edge can be driven. Accordingly, the drivable cutting edge is pivotable about a pivot point. According to the ratchet principle, when the cutting edge is pivoted in a first pivoting direction, the cutting edge is secured in a pivoting position that has been reached against a pivoting movement in a second direction opposite the first pivoting direction. A further pivoting is then only possible in the first pivoting direction, which determines the separation direction, as long as no release mechanism is actuated. When swiveling in the first swiveling direction, the cutting edge moves towards the counter cutting edge, so that a wire rope or cable present in the area between the cutting edges is severed.

It is also advantageous that the plunger element can be moved back and forth linearly when the eccentric element rotates through 360 degrees about an axis of rotation of the eccentric element. The ratchet arrangement can advantageously be operated with the reciprocating plunger element. When the plunger element moves forward, it acts in such a way that the drivable cutting edge is moved in a first pivoting direction, the cutting edge being held in a fixed position at the end of the forward movement. The cutting edge remains stationary during the movement of the ram element. Only when the plunger element is moved again or again is the drivable cutting edge moved again in the first pivoting direction, which is what repeated when rotating the eccentric element. As the cutting edge continues to move, it is moved towards the counter-cutting edge and the wire rope or cable is squeezed or cut.

An axial end of the tappet element is advantageously coupled to the eccentric arrangement. This is space-saving and structurally advantageous. For example, an axial end of the plunger element is connected to a transmission ring which can be moved back and forth within a distance in the direction of the longitudinal axis of the plunger element by contact with the rotating eccentric element. As a result, the plunger element can also be moved back and forth.

Another advantage is that the tappet element is connected to a rotatably mounted receiving element, an arm of the ratchet arrangement being received on the receiving element.

With the forward movement of the tappet element, the receiving element is rotated in a first direction and with the forward movement of the tappet element, the receiving element is rotated in a second direction. Depending on the direction of rotation of the receiving element, the arm is also moved back and forth. With the rotary movement of the receiving element in the first direction of rotation, the arm is moved from an initial position into an end position, so that the cutting edge is driven in the direction of the other cutting edge. With the rotary movement of the receiving element in the second direction of rotation, the arm is moved from the end position back to the starting position without the cutting edge being moved as well. When the arm is moved back to the starting position, another mechanism ensures that the driven cutting edge is not adjusted or cannot pivot back.

The arm is preferably pivotally mounted on the receiving element, preferably outside the axis of rotation of the receiving element. On the arm, the z. B. is designed as a lever arm, an engaging section is present, which engages in a force-transmitting manner in a mating section, for example a form-fitting mating section, on the cutting edge and pivots this when the arm moves from the starting position into the end position.

The eccentric element and a transmission ring of the cutting tool are advantageously connected to one another via a slide bearing arrangement. The plain bearing arrangement preferably comprises a plastic plain bearing. The transmission ring can preferably be moved back and forth with the rotation of the eccentric element in the longitudinal direction of the tappet element.

An advantageous variant of the invention results from the fact that the transmission ring has a projecting tab which is connected to the tappet element. The tab and the tappet element are preferably connected in an articulated manner or the tab is articulated on the tappet element. A lateral movement of the transmission ring transverse to the longitudinal axis of the plunger element, which takes place in addition to the back and forth movement, can thus be compensated for.

It is also advantageous if the tappet element can be driven by an eccentric element arranged laterally to the longitudinal axis of the tappet element with a driver that can be moved by the movement of the eccentric element. The eccentric element is in particular present on the side next to the tappet element. The driver is preferably positioned between the longitudinal outside of the plunger element and the eccentric element.

The plunger element is connected to the driver by a connection which engages laterally on or transversely to the longitudinal axis of the plunger element, for example by a screw connection. The driver transfers its linear movement to the plunger element. The linear movement or displacement of the driver is applied by the movement of the eccentric element. The driver and the eccentric element are matched to one another in such a way that when the eccentric element rotates, the driver experiences a linear movement and transmits this movement to the plunger element. In the direction of the linear movement, the driver represents a stop for the eccentric element. In a direction perpendicular to the direction of the linear movement, the driver forms a freewheel for the movement of the eccentric element.

One advantage is the fact that the driver is designed as a U-profile. Accordingly, the tappet element is coupled to the driver or the U-profile, in which the eccentric element engages.

This allows a relative movement between the eccentric element and the driver or the U-profile element in a first direction transverse to the axis of rotation of the eccentric element when the eccentric element rotates. In a second direction transverse to the axis of rotation of the eccentric element, the relative movement is prevented or the eccentric element and the driver move together.

Advantageously, a section of the plunger element is guided in a linearly displaceable manner in a guide of the tool. The support means are space-saving and easy to provide. In particular, a section of the plunger element designed as an articulated driver, which serves for the articulated connection of the first eccentric arrangement to the receiving element or the second eccentric arrangement provided therewith, and sections of the guide serve as support means.

The plunger element or the joint driver is guided in a linearly displaceable manner in a guide of the tool surrounding the joint driver. The joint driver is slidable or guided in the tool with a slide bearing arrangement. The joint driver is embedded in the sections forming the guide, the guide being formed on the inside in the tool or on the inside on the housing section and on the inside opposite on the housing plate. The guide preferably comprises two matching guideways, which are approximately rectangular or are groove-shaped with a flat bottom and extend over a maximum or possible path of movement of the tappet element or of the joint driver.

Forces and / or moments can be absorbed in the drive mode of the tool with the articulated driver guided in the guide. In particular, the articulated driver, which is displaceably guided in the guide, provides torque support up to the tool-related side of the interface or, in particular, transmits a counter torque via support means. The counter torque is transmitted simultaneously with the transmission of a drive torque.

A further advantage is obtained if the guide comprises a guide track in which the section of the tappet element is received in a guided manner, one side of the section facing a guide surface of the guide track.

Finally, it is advantageous that the receiving element is rotatably mounted with a slide bearing arrangement in a recessed receiving of the tool.

A slide bearing arrangement, which is preferably designed as a plastic slide bearing arrangement, is provided for stable and clean sliding bearing or sliding guidance of the pivotable receiving element.

The receiving element is in its basic form, for. B. cylindrical or circular disc-shaped. The plain bearing arrangement accordingly comprises a receptacle for the storage of the receiving element. The receptacle has two matching depressions which are formed at opposite locations, for example a housing section and a housing plate. The depressions are preferably formed by a material recess with a residual bottom thickness in the housing section and the housing plate. The cylindrical or round depressions are, for example, blind-hole-like and have a slightly larger diameter D1 on than the outside diameter D2 of the respective bearing section of the receiving element which engages in the recesses and is located opposite and on the receiving element.

Figure list

Further features and advantages of the invention are explained in more detail with reference to the exemplary embodiments according to the invention shown in the figures.

• 1 ein erstes Ausführungsbeispiel eines erfindungsgemäßen Trennwerkzeugs von der Seite ohne ein Gehäuseteil,
• 2 das Trennwerkzeug gemäß 1 von oben, mit Gehäuseteil jedoch ohne einen in 1 dargestellten Handgriff,
• 3 das Trennwerkzeug im Schnitt gemäß der Linie A-A in 2,
• 4 das Trennwerkzeug im Schnitt gemäß der Linie B-B in 2,
• 5 ein zweites Ausführungsbeispiel eines erfindungsgemäßen Trennwerkzeugs von der Seite ohne ein Gehäuseteil,
• 6 das Trennwerkzeug gemäß 5 von oben, mit Gehäuseteil,
• 7 das Trennwerkzeug im Schnitt gemäß der Linie A-A in 6,
• 8 das Trennwerkzeug im Schnitt gemäß der Linie B-B in 6,
• 9 das Trennwerkzeug im Schnitt gemäß der Linie C-C in 6,
• 10 das Trennwerkzeug gemäß der 1 bis 4 in einer Ansicht von unten,
• 11 das Trennwerkzeug gemäß dem Schnitt A-A in 10,
• 12 das Trennwerkzeug gemäß dem Schnitt B-B in 10,
• 13 in perspektivischer Ansicht schräg von oben auf ein Werkzeug-Bauteil, an dem eine Gegen-Schneide ausgebildet ist,
• 14 in perspektivischer Ansicht ein vergrößert dargestellter Gelenkmitnehmer und
• 15 in perspektivischer, stark schematisierter Ansicht einen Ausschnitt des Werkzeugs gemäß der 1 bis 4, wobei eine Gehäuseplatte teilweise freigeschnitten ist und ein Verbindungsglied transparent dargestellt ist.

In detail shows:

• 1 a first embodiment of a cutting tool according to the invention from the side without a housing part,
• 2nd the cutting tool according to 1 from above, with housing part but without an in 1 illustrated handle,
• 3rd the cutting tool in section along the line AA in 2nd ,
• 4th the cutting tool in section along the line BB in 2nd ,
• 5 a second embodiment of a cutting tool according to the invention from the side without a housing part,
• 6 the cutting tool according to 5 from above, with housing part,
• 7 the cutting tool in section along the line AA in 6 ,
• 8th the cutting tool in section along the line BB in 6 ,
• 9 the cutting tool in section along the line CC in 6 ,
• 10th the cutting tool according to the 1 to 4th in a bottom view,
• 11 the cutting tool according to the cut AA in 10th ,
• 12 the cutting tool according to the cut BB in 10th ,
• 13 in a perspective view obliquely from above onto a tool component on which a counter cutting edge is formed,
• 14 a perspective view of an enlarged joint driver and
• 15 a perspective, highly schematic view of a section of the tool according to the 1 to 4th , wherein a housing plate is partially cut out and a connecting link is shown transparently.

The same reference numerals are sometimes used for corresponding elements of the two different exemplary embodiments.

1 shows a separating tool 1 according to the invention, for example a cable cutter or a wire rope cutter with a cutting edge 2nd for a cutting operation against a counter-cutting edge 3rd is working. For manual gripping is on the cutting tool 1 a handle sticking out to the side 1a intended. The cutting tool 1 has a drive 4th for the cutting edge 2nd on. The drive 4th has a page 5 a mechanical interface 6 to a hand-held drilling machine, not shown or only partially shown in dashed lines in the front area B with a rotating shaft D the drill B .

The mechanical interface 6 has an opposite side 7 on that to the drill B and / or a screwdriver belongs, the opposite side 7 and the side 5 of the cutting tool are matched to each other.

The drill B points one to the side 5 the mechanical interface 6 matching opposite side 7 on, the interface 6 is able to get one on the cutting edge 2nd acting drive torque simultaneously via support means 30th to transmit a counter moment. The support means 30th work with counter-support on the opposite side 7 with the cutting tool attached to the drill 1 or together when the interface is closed.

The drive 4th of the cutting tool 1 has a transmission unit 8th on, the transmission unit 8th is formed, a rotary movement of the rotary shaft D the drill B to tap and in a linear movement of a plunger element 9 of the drive 4th to convict. The linear movement of the plunger element 9 is a back and forth movement in the direction of a longitudinal axis L of the plunger element 9 with a linear direction of movement R1 and one of the direction R1 opposite linear direction of movement R2 . The rotation of the rotating shaft D takes place via an electric motor of the wired, electrically powered or battery-operated drill B .

The transmission unit 8th includes an eccentric arrangement for this 10th with a rotatable eccentric element 11 . The eccentric element 11 is non-rotatable with a pin via an adapter 12 in the area of the page 5 coupled. The pencil 12 is in the connected state of the cutting tool 1 with the drill B with closed interface 6 with the rotating shaft D the drill B non-rotatably connected and corresponding to a drive speed of the electric motor of the drilling machine that is switched on B can be driven in rotation. The eccentric element 11 rotates around an axis of rotation 13 of the drive 4th . The axis of rotation 13 coincides with the axis of rotation of the rotating shaft D the drill B together.

With the eccentric arrangement 10th becomes the rotary motion of the rotating shaft D and thus the rotation of the eccentric element 11 in the linear motion according to the directions R1 , R2 of the plunger element 9 transferred. For this is one to the longitudinal axis L axial end 9a of the plunger element 9 with the eccentric arrangement 10th or with a transmission ring 14 the eccentric arrangement 10th coupled. One on the outside of the transmission ring 14 protruding tab 15 is about a joint 16 hinged to the axial end 9a of the plunger element 9 (see 4th ). Between the eccentric element 11 and the transmission ring 14 a plastic plain bearing is preferably provided.

With the drive 4th becomes a ratchet arrangement 17th operated with which the cutting edge 2nd about its pivot axis S relative to the remaining stationary part of the cutting tool 1 swiveling in the direction R3 is drivable.

The plunger element 9 is with a rotatable mounting element 18th is articulated, with the receiving element 18th an arm 19th the ratchet arrangement 17th is articulated. The arm 19th is a feed pawl for the cutting edge 2nd educated.

When the plunger element is moved 9 in the direction R1 , which is due to the drive effect by the rotating shaft D with the eccentric arrangement 10th at half a turn of the eccentric element 11 rotated, the receiving element 18th in the direction R4 moves, with a tooth contour 20th at a front end of the arm 19th automatically disengaged from an opposing tooth contour 21st that are on the outside of the cutting edge 2nd over an outer circumference of z. B . almost 180 degrees to the swivel axis S (see 1 and 3rd ).

To block a movement of the cutting edge 2nd against the direction R3 when the arm 19th with its tooth contour 20th is disengaged from the opposite tooth contour 21st , is a latch 22 intended. The latch 22 is articulated on a housing part so that the latch 22 with a tooth contour at its front end due to a spring action of a spring 24th automatically in the opposite tooth contour 21st on the cutting edge 2nd engages and their movement against the direction R3 blocked. When cutting a product to be separated, not shown, in a separation area T , during the short intermediate phases that occur during ratcheting without any drive effect on the cutting edge 2nd , so if the arm 19th no force for the driven swiveling movement of the cutting edge 2nd in the direction R3 applies or from the opposing tooth contour 21st the cutting edge remains 2nd due to the latch 22 stand.

As soon as the plunger element moves 9 in the direction R2 begins and the receiving element 18th in the direction R5 is moved, the arm tilts 19th towards the opposite tooth contour 21st so the tooth contour 20th automatically engages in power transmission on the opposing tooth contour 21st . When moving the plunger element 9 in the direction R2 and the receiving element 18th in the direction R5 brings the arm 19th the cutting edge 2nd in a swivel motion towards R3 so that the separation area T or a distance between the cutting edge 2nd and the counter cutting edge 3rd reduced and a cutting blade 2a the cutting edge 2nd cuts deeper into the parting material. At the same time, by the movement of the cutting edge 2nd in the direction R3 , the tooth contour comes at the latch 22 automatically evading the spring action of the spring 24th disengaged from the opposite tooth contour 21st on the cutting edge 2nd , with which the blockage of the cutting edge 2nd is canceled.

With the ram element reciprocation, the cutting edge 2nd according to a ratchet movement or in alternating successive driven movement phases and stationary phases successively in the direction R3 moved and severed the cut material.

If the electric motor of the drill B is switched off z. B. at the end of the separation process, a release lever 23 operated manually by pressing against an operating section 23a on the release lever 23 . The one with the latch 22 one-piece swivel release lever 23 is used to open the vagina 2nd , with the cutting edge 2nd against the direction R3 is pivotable back. The release lever 23 is done manually against the force of the spring 24th twisted or offset so that the latch 22 from the opposite tooth contour 21st is released and also in contact with the arm 19th takes it along so that its tooth contour 20th also from the opposite tooth contour 21st comes out or stands out from it.

Another embodiment of a cutting tool according to the invention 25th according to the invention, for example a cable cutter or a wire rope cutter, show the 5 to 9 .

The cutting tool 25th differs from the cutting tool 1 in that one to the longitudinal axis L a plunger element 26 radial action of a driver 27th on the plunger element 26 , the plunger element 26 is linearly movable, with a displacement of the driver 27th by the movement of an eccentric element 28 he follows. The plunger element 26 is with the driver designed as a U-profile 27th coupled, the eccentric element 28 engages in a recess formed between the legs of the U-profile.

By rotating the eccentric element 28 , one to the axis of rotation 13 of the drive 4th or the eccentric element 28 eccentric extension 29 of the eccentric element 28 in the U-profile driver 27th intervenes, the driver 27th and thus the plunger element 26 in the direction R1 respectively. R2 or moved back and forth.

The further training or function of the cutting tool 25th corresponds to the design or function of the cutting tool 1 .

Like especially that 10-12 clarify, shows the separating tool 1 to the outside, a plurality of basic components, comprising a substantially cylindrical housing section or approximately in a rough basic shape 31 with the handle sticking out 1a , a flat housing section 32 on which the counter cutting edge 3rd integrally formed connects a housing plate 33 and the one on the counter cutting edge 3rd hinged cutting edge 2nd .

The housing section 31 puts the side on one end 5 the interface 6 ready. The housing sections 32 and 33 are plate-like and oppositely matched and detachably connected, for example screwed.

Within the housing section 31 is in particular the transmission unit 8th with the first eccentric arrangement 10th and the transmission ring 14 housed. In the area of an opening on the underside in the housing section 31 is the articulated connection of the tab 15 the transmission ring 14 about the joint 16 with the end 9a of the plunger element 9 set up. The plunger element 9 is preferably in several parts. In the embodiment according to the 1-4 the plunger element is in two parts and includes one on the tab 15 over a cone 38 articulated joint drivers 34 which enlarged in single view 14 is shown. Between the joint driver 34 and the receiving element 18th or a protruding tongue 18a of the receiving element 18th is a link 37 articulated (see 15 ). The link 37 is about another tenon 39 with the joint driver 34 and over a cone 40 with the tongue 18a connected (s. 15 ). The cones 39 and 40 or their central longitudinal axes are aligned parallel and represent parallel joint axes ready. The cone 38 or its central longitudinal axis between the transmission ring 14 or the tab 15 and the joint driver 34 is perpendicular to the longitudinal or articulated axes of the pins 39 and 40 . So that is with the plunger element 9 a multi-joint or a three-joint realized.

The joint driver 34 is therefore in itself suitable for an articulated connection with two joint elements such as the two pins 38 and 39 , each in an associated pin receptacle 35 respectively. 36 of the joint driver 34 intervene (see 14 ).

The cone holder 35 at the end 9a or a first end portion of the joint driver 34 includes two flat sections 35a and 35b each with a round bore, the round bores having the same diameter being aligned with respect to one another from the pin receptacle 35 provided central receiving axis A1 .

The cone holder 36 at a second end section of the joint driver 34 includes two sleeve sections 36a and 36b each with a round bore, the round bores having the same diameter being aligned with respect to one another from the pin receptacle 36 provided central receiving axis A2 . The diameters of the cylinder bores of the journal receptacle are preferably 35 identical to the diameters of the cylinder bores of the pin holder 36 .

The flat sections 35a , 35b are over a central section with the sleeve sections 36a , 36b connected.

Between the parallel flat sections 35a and 35b a gap-like or slit-like material-free area is formed. Also between the sleeve sections 36a and 36b a gap-like or slit-like material-free area is formed.

The receiving axes A1 and A2 are accordingly over the length of the joint driver 34 spaced apart and aligned perpendicular to each other. The joint driver 34 forms a compact double joint element with mutually perpendicular joint axes. As associated articulation elements are preferably cylindrical pins like the pins 38 , 39 or hinge pins provided, wherein a hinge element or the pin 38 through the two round holes in the pin holder 35 engages and another joint element or the pin 39 through the two round holes in the pin holder 36 takes hold.

The round hole in the flat section 35b is in 14 not visible or covered by the flat section 35a .

The plunger element 9 or at least its section, that of the joint driver 34 is formed in a the joint driver 34 surrounding leadership 41 of the tool 1 guided linearly displaceable. The joint driver 34 is sliding in the tool or with a plain bearing arrangement 1 . The joint driver 34 is embedded in the leadership 41 forming sections, taking the lead 41 inside the tool 1 or on the inside of the housing section 32 and opposite on the inside on the housing plate 33 is trained. The guide preferably comprises 41 two matching guideways 42 and 43 , which are approximately rectangular or groove-shaped with a flat bottom and extend over a maximum or possible movement path of the plunger element 9 or the joint driver 34 extend.

With that in the leadership 41 guided joint driver 34 Forces and / or moments can be absorbed in the drive mode of the tool 1 . In particular, with that in the leadership 41 movably guided articulated driver 34 a torque support all the way to the side 5 the interface 6 provided or, in particular, a counter-torque to the rotating shaft via support means D transmitted drive torque. The counter torque is transmitted simultaneously with the transmission of a drive torque.

In addition to other sections, sections of the joint driver are used in particular 34 and sections of the tour 41 as a support for the transmission of the counter torque.

When transmitting the counter torque, there are flat sides or opposite outer sides 44 and 45 and other opposite outsides 46 and 47 of the joint driver 34 in contact with guide areas 48 , 49 , 50 the guideway 42 on the housing section 32 or in contact with guide areas 51 , 52 , 53 the guideway 43 on the housing section 33 .

On the roughly cuboid joint driver 34 are the outsides 44 and 45 parallel to each other and the outside 46 and 47 also present parallel to each other or the outer sides 44 and 45 are at right angles to the outside 46 and 47 .

At the guideway 42 forms the guide surface 48 a floor surface and the guide surfaces 49 , 50 in each case on the side of the floor surface at right angles upright edge surfaces.

Correspondingly forms with the guideway 43 the leadership area 51 a floor surface and the guide surfaces 52 , 53 in each case on the side of the floor surface at right angles upright edge surfaces.

In the working mode of the tool 1 slides the outside 44 adjacent to the guide surface 51 the guideway 43 and the outside 45 slides against the guide surface 48 the guideway 42 .

The outside 46 slides against the guide surface 49 the guideway 42 and on the guide surface 53 the guideway 43 .

The outside 47 slides against the guide surface 50 the guideway 42 and on the guide surface 52 the guideway 43 .

This provides a clean surface or sliding guide with support means for transmitting the counter torque.

For stable and clean slide bearing or slide guidance of the swiveling receiving element 18th is a plain bearing arrangement 54 provided, which is preferably designed as a plastic plain bearing arrangement (s. 15 ).

The receiving element 18th is cylindrical or circular in its basic form. The plain bearing arrangement 54 accordingly includes a recording 55 for the storage of the receiving element 18th . The recording 55 has two matching depressions 56 and 57 on at opposite points of the housing section 32 and the housing plate 33 are trained. The wells 56 and 57 are preferably through a material recess with a residual bottom thickness in the housing section 32 and the housing plate 33 educated. The cylindrical or round depressions 56 and 57 are blind hole-like and have a slightly larger diameter D1 on than the outside diameter D2 each one in the wells 56 and 57 engaging opposite on the receiving element 18th existing storage section 18b and 18c of the receiving element 18th .

Between the cylindrical outside of the bearing section 18b and the inner wall of the recess 56 is an annular plastic bearing ring 58 or a plastic bearing sleeve of the plain bearing assembly 54 suitably available. The plastic bearing ring 58 with a material or ring thickness corresponding to the difference between D1 and D2 consists, for example, of a suitable polymer plastic material with comparatively good sliding bearing properties or with comparatively high friction-reducing or lubricating properties.

Correspondingly, is between the cylindrical outside of the bearing section 18c and the inner wall of the recess 57 an annular plastic bearing ring 59 or a plastic bearing sleeve of the plain bearing assembly 54 suitably available. The plastic bearing ring 59 consists, for example, of a suitable polymer plastic material with comparatively good sliding bearing properties or with comparatively high friction-reducing or lubricating properties.

In 15 is the plastic bearing ring 58 not shown.

Reference symbol list

1

Cutting tool

1a

Handle

2nd

Cutting edge

3rd

Counter-cutting edge

4th

drive

5

page

6

interface

7

Opposite side

8th

Transmission unit

9

Plunger element

9a

The End

10th

Eccentric arrangement

11

Eccentric element

12

pen

13

Axis of rotation

14

Transmission ring

15

Tab

16

joint

17th

Ratchet arrangement

18th

Receiving element

18a

tongue

18b

Storage section

18c

Storage section

19th

poor

20th

Tooth contour

21st

Counter tooth contour

22

Latch

23

Release lever

23a

Operating section

24th

feather

25th

Cutting tool

26

Plunger element

27th

Carrier

28

Eccentric element

29

Continuation

30th

Support means

31

Housing section

32

Housing section

33

Housing plate

34

Joint driver

35

Cone holder

35a

Flat section

35b

Flat section

36

Cone holder

36a

Sleeve section

36b

Sleeve section

37

Connecting link

38

Cones

39

Cones

40

Cones

41

guide

42

Guideway

43

Guideway

44

Outside

45

Outside

46

Outside

47

Outside

48

Leadership area

49

Leadership area

50

Leadership area

51

Leadership area

52

Leadership area

53

Leadership area

54

Plain bearing arrangement

55

admission

56

deepening

57

deepening

58

Plastic bearing ring

59

Plastic bearing ring

Claims (14)

Cutting tool (1, 25), such as a cable and / or wire rope cutter, with a cutting edge (2) that works against a counter-cutting edge (3) of the cutting tool (1, 25) for a cutting process, and with a drive ( 4) for at least one cutting edge (2), characterized in that the drive (4) has a side (5) of a mechanical interface (6) to a drill and / or to a screwdriver, the drill and / or the screwdriver having one has the opposite side (7) to the side (5) of the mechanical interface (6), the interface (6) being able to form one in a state in which the drill and / or the screwdriver is connected to the cutting tool To transmit the drive torque simultaneously via a support means (30). Cutting tool after Claim 1 characterized in that the drive (4) has a transmission unit (8), the transmission unit (8) being designed to tap a rotary movement of a rotary shaft of the drilling machine or the screwdriver and into a linear movement of a plunger element (9, 26) of the drive ( 4) to transfer the cutting tool (1, 25). Cutting tool after Claim 1 or Claim 2 characterized in that the transmission unit (8) comprises an eccentric arrangement (10) with a rotatable eccentric element (11, 28), the eccentric arrangement (10) being designed to rotate the eccentric element (11, 28) into a linear movement of the tappet element ( 9, 26) to be transferred. Cutting tool according to one of the preceding claims, characterized in that the drive (4) acts on a ratchet arrangement (17) with which the at least one cutting edge (2) can be driven. Cutting tool according to one of the preceding claims, characterized in that the plunger element (9, 26) can be moved back and forth linearly when the eccentric element (11, 28) rotates by 360 degrees around an axis of rotation of the eccentric element (11, 28). Cutting tool according to one of the preceding claims, characterized in that an axial end of the plunger element (9, 26) is coupled to the eccentric arrangement (10). Cutting tool according to one of the preceding claims, characterized in that the plunger element (9, 26) is connected to a rotatably mounted receiving element (18), wherein on Receiving element (18) an arm of the ratchet arrangement (17) is received. Cutting tool according to one of the preceding claims, characterized in that the eccentric element (11, 28) and a transmission ring (14) of the cutting tool (1, 25) are connected to one another via a slide bearing arrangement. Cutting tool according to one of the preceding claims, characterized in that the transmission ring (14) has a projecting tab (15) which is connected to the plunger element (9). Cutting tool according to one of the preceding claims, characterized in that the plunger element (26) can be driven by an eccentric element (28) arranged laterally to the longitudinal axis of the plunger element (26), with a driver (27) which can be moved by the movement of the eccentric element (28). Cutting tool according to one of the preceding claims, characterized in that the driver (27) is designed as a U-profile. Cutting tool according to one of the preceding claims, characterized in that a section (34) of the plunger element (9) is guided in a linearly displaceable manner in a guide (41) of the tool (1, 25). Cutting tool according to one of the preceding claims, characterized in that the guide (41) comprises a guide track (42, 43) in which the section (34) of the plunger element (9) is received in a guided manner, one side (44-47) of the Section (34) of a guide surface (48-53) facing the guide track (42, 43). Cutting tool according to one of the preceding claims, characterized in that the receiving element (18) with a slide bearing arrangement (54) is rotatably mounted in a recessed receptacle (55) of the tool (1, 25).

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