Riveting device with compact design

By adopting bayonet locking parts in the riveting device and designing optimized retaining structure and load bearing structure, the problem of insufficient compactness of the existing riveting device is solved, achieving more convenient operation and easier access to riveting points.

CN119451762APending Publication Date: 2025-02-14SFS GRP GERMANY GMBH
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Patent Information

Application Number
CN202380050724.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-06-30
Filing Date
2023-06-29
Publication Date
2025-02-14

AI Technical Summary

Technical Problem

The existing riveting devices are insufficient in use, which makes it more difficult to set riveting parts at inaccessible riveting points and inconvenient to operate.

Method used

By adopting the design of the bayonet locking member in the riveting device, combined with the optimized layout of the retaining structure and the load-bearing structure, the compactness of the riveting tool in the axial direction is achieved.

Benefits of technology

This design makes the riveting tool shorter in the axial direction, easier to operate, enables faster replacement of tool holders, and easier to arrange the riveting part in difficult-to-reach positions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure relates to a riveting device (1) comprising a device housing (5), a riveting tool (10) and a drive device (30) located in the device housing (5) for actuating the riveting tool (10). The riveting tool (10) has a riveting mouth (11) and a mandrel holder (12) which can be moved relative to the riveting mouth (11) along an action axis (W). The drive device (30) has a spindle drive (32) with a threaded spindle (33) and a spindle nut (34) operably connected to the threaded spindle, the threaded spindle (33) being operably connected to the spindle receptacle (12) and being designed to move along the action axis (W). The riveting device (1) further comprises: a support structure (39) for axially supporting the spindle nut (34); and a tool holder (4), which is axially supported on the riveting mouth (11) on the one hand and is axially supported on the support structure (39) via the collar (4.1) on the other hand, in which tool holder (4) the mandrel holder (12) is accommodated in an axially displaceable manner. The riveting device (1) further comprises: a support structure (7) for supporting the tool holder (4); and a holding structure (6) by means of which the tool holder (4) is held on the support structure (7). In order to reduce the overall size, the holding structure (6) and the support structure (7) are connected to each other via a bayonet connection (70).
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Description

Technical Field

[0001] The present disclosure relates to a riveting device, and more particularly to a blind rivet installation device, a blind rivet nut installation device, and a blind rivet bolt installation device. Background Art

[0002] Riveting devices are generally used to form a riveted connection between two or more materials, such as metal sheets, at a connection where the materials are attached to each other. A plastically deformable, usually cylindrical connecting element, usually referred to as a rivet, is used to form a riveted connection. The rivet usually has a prefabricated mounting head at one end. To form a riveted connection, the rivet is inserted into the connection hole at the connection point up to the mounting head, and then the other end of the rivet is plastically deformed to form a head.

[0003] Riveting devices can also be used to provide components with thin walls with threads. For this purpose, rivet nuts or rivet screws are used, in which a rivet is combined with a threaded element. The rivet nut or rivet screw is inserted into a prefabricated riveting hole in the component and then plastically deforms the area of ​​the riveted piece to form the upset.

[0004] Common riveting devices usually include a riveting tool, which is designed to produce plastic deformation to form a head. In order to actuate the riveting tool, the riveting device has a drive device accommodated in the device housing. The drive device is usually electromechanical and includes, for example, an electric motor and a spindle transmission, which is designed as a ball screw transmission with a threaded spindle and a spindle nut. The spindle nut is usually driven by an electric motor, and the threaded spindle is fixed against torsion by a torque support, so that when the spindle nut rotates, the threaded spindle moves axially and acts on the riveting tool.

[0005] Such a riveting device is described in EP 0 527 414 A1. The riveting device is designed for blind rivets and is arranged to pull the rivet mandrel out of the rivet body of the blind rivet by applying a pulling movement, thereby upsetting the rivet body to form an upset. The pulling movement is performed by a mandrel holder driven by a drive device via a threaded spindle, to which the rivet mandrel is fixed. The mandrel holder is accommodated in a tool holder and is held so that the mandrel holder can be moved relative to a rivet nozzle attached to the tool holder in order to perform the pulling movement. The rivet mandrel is inserted into the tool holder through the rivet nozzle up to the mandrel holder, and the riveting device is then placed on the point to be riveted.

[0006] In the riveting device, the riveting nozzle is supported via a tool holder on an axial bearing designed as a pressure bearing, which in turn is supported on a spindle nut of the drive. The tool holder is held by a threaded connection to a pot-shaped support (Lagertopf) that accommodates the axial bearing. However, this type of holder is relatively space-consuming in the direction of movement of the spindle holder, making the use of the riveting device more difficult. Summary of the invention

[0007] In the course of ongoing development, there is therefore a need to improve the compactness of the riveting device. This is based on the expectation that the improved compactness will make it easier to reach difficult-to-access riveting points in order to be able to set the rivet at this point. Furthermore, this is also based on the expectation that the improved compactness will make the riveting device easier to operate.

[0008] One embodiment of a basic riveting device comprises a device housing, a riveting tool and a drive device, which is located in the device housing for actuating the riveting tool. For example, the riveting device, in particular the riveting tool, is suitable for blind riveting. The term "blind riveting" is to be understood in particular as meaning that the riveting process is carried out using a rivet mandrel from one side of the material to be provided with the blind rivet. Instead of blind rivets, blind rivet nuts or blind rivet bolts can also be used.

[0009] The riveting tool preferably has a riveting nozzle and a mandrel holder which can be moved relative to the riveting nozzle in the direction of the action axis. For example, the mandrel holder comprises a chuck housing which can be moved relative to the riveting nozzle in the direction of the action axis or in the direction of the action axis, and at least one clamping element, in particular a clamp, which can be moved in the chuck housing along a clamping stroke.

[0010] The drive device can have a spindle transmission, which is in particular a ball screw transmission, which has a threaded spindle and a spindle nut operatively connected to the threaded spindle. In particular, the threaded spindle has a screw thread. In particular, the threaded spindle is operatively connected to the spindle nut via the screw thread. In particular, the threaded spindle is operatively connected to the spindle holder and in particular, the threaded spindle is designed to move along the active axis, in particular, the threaded spindle is designed to drive the spindle holder. In particular, the spindle nut is rotatably mounted. In particular, the spindle nut is driven or can be driven by an electric motor, for example.

[0011] The basic riveting device preferably has a support structure for supporting the spindle nut in the axial direction or for supporting the spindle nut in the direction of the action axis. For example, the spindle nut is directly supported on the support structure, or the spindle nut is indirectly supported on the support structure (for example, via an axial bearing). The support structure can be a component separate from the axial bearing, or the support structure can be formed on the axial bearing. Alternatively, the support structure can be formed on a component of the axial bearing, such as a bearing ring, in particular, the support structure can be molded onto a component of the axial bearing (such as a bearing ring), or the support structure can be formed by a component of the axial bearing (such as a bearing ring). The support structure and / or the axial bearing are preferably arranged on the side of the spindle nut facing the riveting tool.

[0012] Alternatively, the drive device can have a preferably pneumatically and / or hydraulically driven cylinder-piston unit, which has a cylinder and a reciprocating piston accommodated in the cylinder in a translationally movable manner. In particular, the reciprocating piston is operatively connected to the spindle receiving part and, in particular, the reciprocating piston is designed to move along the active axis, in particular, the reciprocating piston is designed to drive the spindle receiving part.

[0013] In the present disclosure, the term "cylinder" should be understood in particular as a housing for a reciprocating piston, which housing can also be referred to as a piston housing. For example, the housing or piston housing has a cavity in which the reciprocating piston is accommodated, so that the reciprocating piston can be moved in a translational manner in the direction of the piston axis of the reciprocating piston. The housing or piston housing can be a tubular housing.

[0014] In the case of this alternative drive device, a support structure is provided, if necessary, for supporting the cylinder axially or for supporting the cylinder in the direction of the axis of action. For example, the cylinder is supported directly or indirectly on the support structure. The support structure is preferably arranged on the side of the cylinder facing the riveting tool. However, such a support structure can also be omitted, i.e. the basic riveting device can be provided without such a support structure.

[0015] Preferably, the basic riveting device also has a tool holder in which the mandrel holder is received so that it can be moved axially relative to the active axis. In particular, the tool holder is supported on the one hand on the riveting mouth and on the other hand axially on the support structure, for example via a flange. This is preferably the case when the drive device has the above-mentioned spindle drive.

[0016] The tool holder can also be supported axially on the rivet mouth on the one hand and, on the other hand, for example, via a flange, axially on a support structure provided if necessary and / or the cylinder. This is preferably the case when the drive device is provided with the above-described cylinder-piston unit. For example, the tool holder and the rivet mouth are separate components. For example, the rivet mouth is fastened to the tool holder. Alternatively, the rivet mouth can be molded onto the tool holder.

[0017] Preferably, the basic riveting device also has a carrying structure for supporting the tool holder. Preferably, the basic riveting device also has a holding structure, by which the tool holder is held on the carrying structure, in particular the tool holder is loosely held on the carrying structure. For example, the holding structure is separate from the tool holder, that is, the holding structure and the tool holder are separate components.

[0018] An improvement in compactness is provided by a design of a riveting device in which the retaining structure and the load-bearing structure are connected to one another by means of a bayonet lock. It has been shown that a bayonet lock allows the riveting tool to be shorter in the axial direction relative to the axis of action than, for example, a connection by means of a screw connection. The bayonet lock also enables a faster replacement of the tool holder than a screw connection. The bayonet lock is also easier to handle than a screw connection.

[0019] In the present disclosure, the term "bayonet lock" is to be understood in particular as any type of mechanical connection between two connecting parts, which is formed by inserting the two connecting parts into each other in the direction of the insertion axis and then rotating the connecting parts relative to each other around the insertion axis. Thus, in order to form the mechanical connection, an insertion and rotational movement of the connecting parts relative to each other is performed. The connecting parts are preferably brought into a locking position relative to each other by a rotational movement, in which the connecting parts are locked against being pulled apart along the insertion axis, preferably the connecting parts are locked in a form-fitting manner against being pulled apart along the insertion axis.

[0020] In one embodiment, the bayonet lock comprises a bayonet connection which is assigned to the holding structure, in particular, the bayonet connection is arranged or formed on the holding structure. The holding structure further comprises a through-opening in the wall surface. The tool holder is received in the through-opening, for example, the tool holder is received in the through-opening with radial clearance, and in particular, the wall surface serves as an axial limitation for a flange of the tool holder, for example, in the region around the through-opening. For example, the holding structure is a coupling element, in particular, the holding structure is a coupling ring.

[0021] In this embodiment, the improved riveting device can be designed so that the bayonet connector is arranged to be spaced apart from the through opening in the radial direction. For example, the bayonet connector is arranged to be spaced apart from the through opening in the radial direction and concentric with the through opening. Due to this radial arrangement of the bayonet connector relative to the through opening, the bayonet connector is located radially outside the tool holder. This is another measure to promote the compact design of the riveting device in the axial direction relative to the action axis. The design of the bayonet connector with an annular structure is also intended to achieve this purpose, and the inner circumferential portion of the annular structure surrounds the through opening and in particular the tool holder in a radially spaced manner.

[0022] In another embodiment, the bayonet connector comprises a plug-in receiving portion, and the plug-in receiving portion has a peripheral surface that extends around the through opening in a radially spaced manner. In this case, the improved riveting device can be designed so that at least two radially inwardly protruding fan ring segments are provided on the peripheral surface, and the fan ring segments are distributed on the circumferential portion of the plug-in receiving portion and are used to lock the bayonet locking piece. This is another measure to promote the compact design of the riveting device in the axial direction relative to the action axis. In particular, a vacancy is formed between at least two fan ring segments, and the plug-in receiving portion can enter in the axial direction through the vacancy.

[0023] For example, the plug-in receptacle has a bottom surface. In order to optimize the axial compactness, it can be provided that the bottom surface coincides with the wall surface having the through-opening and / or that the bottom surface and the wall surface are located in a common plane or at least axially close to each other.

[0024] The improved riveting device can be designed so that the plug-in receiving portion is formed by an annular and / or circular recess in the retaining structure. This avoids the need for a separate component to provide the plug-in receiving portion and can save the installation space required for this. The base of the recess is preferably designed to have dimensions such that the insertion depth of the plug-in receiving portion is limited thereby.

[0025] In another embodiment, the bayonet lock comprises a bayonet connection, which is assigned to the bearing structure, in particular, the bayonet connection is arranged or formed on the bearing structure. In this case, the improved riveting device can be designed so that the bearing structure has an annular protrusion, on the outer circumferential portion of the annular protrusion at least two radially outwardly protruding fan ring segments are arranged, the fan ring segments are arranged to be distributed on the outer circumferential portion and used to lock the bayonet lock. This radial arrangement structure can save installation space in the axial direction relative to the action axis.

[0026] In particular, the protrusion is designed as an insertion component for insertion into the above-mentioned plug-in receiving portion or can be used as an insertion component for insertion into the above-mentioned plug-in receiving portion. In particular, a vacancy is formed between at least two sector ring segments of the protrusion, and the size of the vacancy is designed so that: when the protrusion is inserted into the plug-in receiving portion, at least two sector ring segments on the plug-in receiving portion are fitted into the vacancy. Preferably, the size of the vacancy between at least two sector ring segments of the plug-in receiving portion is designed in the same way so that: when the protrusion is inserted into the plug-in receiving portion, at least two sector ring segments of the protrusion are fitted into the vacancy between at least two sector ring segments of the plug-in receiving portion.

[0027] In particular, the bearing structure is arranged on or formed by the supporting structure, in particular, the bearing structure is molded onto the supporting structure. This allows the ring segment to be thinner in the axial direction relative to the effective axis, especially when the supporting structure consists of or has a load-stable material such as metal. In this way, axial installation space can be saved.

[0028] In particular, a flange surface is formed on the inner circumferential portion of the annular projection, which interacts with the flange of the tool holder. For example, the bearing structure and the support structure are formed on a common component. In this embodiment, it is preferably provided that the bearing structure and the device housing are independent components.

[0029] In another embodiment, the bayonet lock comprises a bayonet connection, which is assigned to the device housing, in particular, the bayonet connection is arranged or formed on the device housing. By assigning the bayonet connection to the device housing, manufacturing costs can be saved, in particular when the device housing is made of or includes plastic material.

[0030] In this case, the improved riveting device can be designed so that the device housing has an annular protrusion, and at least two radially outwardly protruding fan ring segments are arranged on the outer circumferential portion of the annular protrusion, and these fan ring segments are distributed on the outer circumferential portion and are used to lock the bayonet lock. For example, it can be provided that the inner circumferential portion of the annular protrusion surrounds the bearing structure and / or the support structure and / or the tool holder and / or the flange in a radially spaced manner or at least in a radially spaced manner.

[0031] Alternatively, a flange surface that interacts with the flange of the tool holder can be provided on one end surface of the annular protrusion. This design is suitable when the riveting device has the above-mentioned cylinder-piston unit. In this case, the bearing structure can be arranged on the cylinder or formed by the cylinder.

[0032] Another embodiment is that the device housing has a profile that is at least partially tubular. In particular, the retaining structure is arranged on the end face of the tubular profile that faces the rivet mouth. For example, the tubular profile preferably extends with a tube axis of the tubular profile that is coaxial with the action axis.

[0033] In this embodiment, the improved riveting device can be designed so that: the holding structure extends around the outer circumferential portion of the tool holder relative to the action axis, and in particular, the holding structure covers one end surface of the tubular profile and / or closes the interior of the tubular profile of the device housing at the end surface. This provides an additional cover or a covering function for the holding structure. In order to achieve an aesthetic appearance, the holding structure should be adapted to the tubular profile in the region of the facing end surface of the device housing on the outer circumferential profile of the holding structure.

[0034] The improved riveting device can also be designed so that at least one light source is arranged in the device housing, and the holding structure is designed as a light guide in at least one area or the holding structure has a light guide so as to allow light from the light source to pass through in the direction of the rivet mouth. This means that the light source is accommodated in a protected manner while retaining the function of the light source, i.e. illuminating the working area of ​​the riveting device. The working area includes, for example, an area around the front end of the tool holder, i.e. the area where the rivet is placed.

[0035] For example, viewed radially outwards, the light guide is arranged behind the bayonet lock and / or the support structure. This facilitates the exit of light from the device housing, since the bayonet lock or the support structure means that an opening for light to pass through can be omitted.

[0036] The light guide of the supporting structure may be an optical lens and / or perform a lens function, for example, to bunch or scatter the light from the light source. This makes it easy to achieve the desired lighting on the desired area. For example, the light source is an LED. In the present disclosure, "LED" may be understood as a single LED or as an LED unit with multiple LEDs, such as a COB LED, where the LEDs may be mounted or pre-mounted on a carrier board. "LED" may also be understood to mean an LED chip.

[0037] A stop is provided so that in the end position or the closed position of the bayonet connection, the holding structure is in a desired rotational position relative to the support structure. The stop may comprise a material portion or a structure on the holding structure and / or the support structure, or the stop may be formed by a material portion or a structure on the holding structure and / or the support structure. Preferably, the area designed as a light guide or the area of ​​the holding structure provided with the light guide is arranged so that in the end position or the closed position of the bayonet connection, the light guide is in a predetermined position to achieve the desired light transmission.

[0038] For example, the support structure is annular and has a surrounding collar on its outer circumferential portion, which engages in a receiving portion of the device housing with play in the axial direction and / or play in the radial direction. This prevents or at least counteracts driving or mounting forces exerted by the threaded spindle on the spindle receiving part from acting via the support structure into the device housing. The device housing can thus be designed with the aim of lower component loads, which can save costs and / or weight.

[0039] For example, the improved riveting device can be designed such that: the support structure is annular and has a groove or other elongated recess on the circumference, the longitudinal extension of which extends along the action axis, and the material part of the device housing or the spring part engages in the groove or recess to form the anti-twist device. This is conducive to simple and / or cost-effective production.

[0040] In another embodiment, the riveting device is designed as a manual riveting device and comprises a handle portion, which, for example, has a longitudinal extension transverse to the action axis. For example, the handle portion is formed on the device housing, in particular, the handle portion is molded onto the device housing or is attached to the device housing. The handle portion allows the riveting device to be grasped in the hand or to be manually guided. In particular, the handle portion enables the riveting device to be manually placed at the position to be riveted.

[0041] According to one aspect, a blind rivet setting device is provided. The blind rivet setting device comprises the above-mentioned riveting tool, wherein a rivet mandrel of a blind rivet to be installed is received in a mandrel receiving part of the riveting tool.

[0042] According to another aspect, a blind rivet nut installation device is provided, which comprises the above-mentioned riveting tool, wherein a threaded rivet mandrel for a blind rivet nut to be installed is received in a mandrel receiving part of the riveting device.

[0043] According to another aspect, a blind rivet bolt installation device is provided, which includes the above-mentioned riveting tool, wherein a threaded rivet mandrel of a blind rivet bolt to be installed is received in a mandrel receiving part of the riveting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Further details and features emerge from the following description of several embodiments with reference to the attached drawings.

[0045] The accompanying drawings show:

[0046] Figure 1 A first exemplary embodiment of a riveting device having a riveting tool and a drive device for actuating the riveting tool is shown in a schematic sectional view;

[0047] Figure 2 Shows Figure 1 An enlarged detail of an exemplary riveting device in the area where the tool holder is connected to the support structure via the retaining structure and the bayonet lock;

[0048] Figure 3 Shows Figure 1 A perspective view of a retaining structure of an exemplary riveting device;

[0049] Figure 4 Shows Figure 1 A perspective view of an exemplary support structure of a riveting device;

[0050] Figure 5 Shows Figure 1 A cross-sectional view of an exemplary riveting device of a tool holder, a supporting structure and a retaining structure in an assembled state, wherein the bayonet connection of the supporting structure and the bayonet connection of the retaining structure are plugged into each other and unlocked;

[0051] Figure 6 Shows Figure 1 A cross-sectional view of an exemplary riveting device of a tool holder, a supporting structure and a retaining structure in an assembled state, wherein the bayonet connection of the supporting structure and the bayonet connection of the retaining structure are plugged into each other and locked;

[0052] Figure 7 A second exemplary embodiment of a riveting device is shown in a schematic sectional view, with a riveting tool and a drive device for actuating the riveting tool, a detail of the region which is connected to the tool holder via a bayonet lock;

[0053] Figure 8 The view of the bayonet connection shows Figure 7 A portion of a device housing of an exemplary riveting device;

[0054] Fig. 9 A third exemplary embodiment of a riveting device is shown in a schematic sectional view, the riveting device having a riveting tool and a drive device for actuating the riveting tool;

[0055] Fig.10 and Fig.11 They are shown respectively Figure 1 An improved embodiment of the exemplary riveting device in Figure 2 A half section of the illustrated area;

[0056] Fig.12 and Fig.13 They are shown respectively Figure 7 An improved embodiment of the exemplary riveting device in Figure 7A half section of the illustrated area;

[0057] Fig.14 A schematic partial view shows a Figure 1 A possible implementation of a blind rivet installation device of an exemplary riveting device;

[0058] Fig.15 A schematic partial view shows a Figure 1 A possible implementation of a rivet nut installation device of an exemplary riveting device; and

[0059] Fig.16 A schematic partial view shows a Figure 1 A possible implementation of a pull rivet bolt installation device of an exemplary riveting device. DETAILED DESCRIPTION

[0060] Figure 1 The structure of an exemplary embodiment of a riveting device 1 is shown, which is also referred to as a mounting device in the professional field. The exemplary riveting device 1 is suitable for setting or mounting rivets using a blind riveting method, so the exemplary riveting device 1 is designed to use blind rivets.

[0061] The exemplary riveting device 1 comprises a riveting tool 10 and a drive device 30 for actuating the riveting tool 10. The riveting tool 10 is preferably assigned to a tool holder 4. The drive device 30 is preferably assigned to a device housing 5, in particular, the drive device 30 is accommodated in the device housing 5. The tool holder 4 is preferably a metal holder. The device housing 5 is preferably a plastic housing.

[0062] An exemplary riveting device 1 can be a manual riveting device. The manual riveting device 1 has, for example, a gripping surface 2.1, which can be at least partially formed on the device housing 5. For example, the manual riveting device 1 has a handle portion 2, which is at least partially formed by the device housing 5. The gripping surface 2.1 or the handle portion 2 can be used to hold the riveting device 1 in the hand when placing the riveting device 1 on the workpiece to set a rivet, in particular a blind rivet. The riveting process itself is then performed by actuating the riveting tool 10 by the drive device 30.

[0063] The drive device 30 is preferably an electromechanical drive device. The electromechanical drive device 30 comprises, for example, an electric motor 31 having a rotatable output shaft 31.1, and the electromechanical drive device 30 preferably comprises a spindle transmission 32 that can be driven by the electric motor 31. The spindle transmission 32 is preferably designed to convert the rotational drive movement from the output shaft 31.1 into a translational drive movement acting along the action axis W to actuate the riveting tool 10. The spindle transmission 32 can be a ball screw transmission.

[0064] In the exemplary riveting device 1, for example, at least one (preferably two) reduction stages 37, 37' are provided between the electric motor 31 and the spindle transmission 32. For example, the reduction stages 37, 37' are connected one after another in the force flow. For example, the reduction stages 37, 37' use a common intermediate shaft 38. For example, at least one of the reduction stages 37, 37' is a spur gear stage, and the corresponding gear element is a spur gear.

[0065] To supply the drive device 30 with electrical energy, a preferably replaceable energy storage device, such as a battery 3, can be provided, which is arranged, for example, in the end region of the handle part 2 facing away from the riveting tool 10. In this respect, the riveting device 1 can be a battery-operated device.

[0066] The riveting tool 10 may include a riveting nozzle 11 and a mandrel receiving part 12, which can be moved relative to the riveting nozzle 11 in the direction of the action axis W. For example, the mandrel receiving part 12 has a chuck housing 13 and at least one (preferably a plurality of) clamping elements 14, 14', in particular clamping calipers, which can be moved along a clamping stroke in the chuck housing 13. Preferably, the riveting nozzle 11 and / or the mandrel receiving part 12 and / or the chuck housing 13 and / or the clamping elements 14, 14' are metal parts.

[0067] The rivet mouth 11 is used, for example, to Figure 1 The rivet to be installed (not shown) is held by the rivet mouth 11, which is in particular a blind rivet, and the rivet mouth 11 preferably has a through hole 11.1, so that the rivet mandrel of the rivet can be inserted into the through hole. The mandrel holder 12 is used, for example, to fix the rivet mandrel so that a non-displaceable connection is formed between the received rivet mandrel and the mandrel holder 12. This can be achieved, for example, by a chuck housing 13, wherein clamping elements 14, 14' are arranged in a movably manner in the chuck housing 13, by means of which the rivet mandrel is fixed, in particular clamped, in the chuck housing 13.

[0068] The drive device 30 can drive the riveting tool 10 so that the mandrel holder 12 or the chuck housing 13 and the rivet mandrel fixed therein are moved away from the riveting mouth 11 in the direction of the action axis W. This is achieved, for example, by the drive device 30 pulling the mandrel holder 12 or the chuck housing 13 away from the riveting mouth 11. This known operating principle and the blind riveting that can be performed with it are described in more detail in the publication EP 0 116 954 A2, which is hereby cited to complete and supplement the present disclosure, but it should be pointed out that this publication may give the same terms a meaning different from the current meaning.

[0069] The riveting nozzle 11 is preferably fastened to the tool holder 4, the riveting nozzle 11 being screwed to the tool holder 4, for example. Preferably, the spindle holder 12, in particular the chuck housing 13, is accommodated in the tool holder 4 in a manner that it can move in the direction of the action axis W. For example, the tool holder 4 has an elongated, in particular tubular base body. In this respect, the tool holder 4 is also referred to as a mounting sleeve in the professional field. For example, the riveting nozzle 11 is fastened to one end of the tool holder 4, while the opposite end of the tool holder 4 faces the device housing 5.

[0070] The spindle transmission 32 is preferably arranged in the device housing 5. The spindle transmission 32 preferably comprises a threaded spindle 33 with a screw thread and a spindle nut 34 that engages with the threaded spindle 33 or can engage with the threaded spindle 33. The threaded spindle 33 preferably has a front end 33.1 and an opposite rear end 33.2, the front end 33.1 facing the spindle receiving part 12, in particular facing the chuck housing 13. The threaded spindle 33 and the spindle nut 34 are preferably arranged concentrically with respect to the transmission axis. The spindle axis S of the threaded spindle 33 is preferably located on the transmission axis. Preferably, the output shaft 31.1 of the electric motor 31 is arranged axially parallel to the transmission axis. Preferably, the transmission axis or spindle axis S is located on the action axis W.

[0071] For example, the threaded spindle 33 and the spindle nut 34 are designed such that the spindle nut 34 is a transmission element driven or drivable by the motor 31, and the threaded spindle 33 is used to perform a translational drive movement to actuate the riveting tool 10. For example, the threaded spindle 33 is directly or indirectly (for example, via an intermediate piece) connected to the spindle receiving part 12 or the chuck housing 13 in a non-displaceable manner at its front end 33.1. The spindle nut 34 is also supported in a rotatable manner in the device housing 5 in the radial direction relative to the transmission element axis or the action axis W, for example, by at least one, preferably two, radial bearings 35, 35'.

[0072] In the exemplary riveting device 1, for example, a torque support 41 is provided to fix the threaded spindle 33 to prevent rotation relative to the device housing 5. For example, the torque support 41 is arranged on the threaded spindle 33, in particular, the torque support 41 is fastened or connected to the threaded spindle 33 in a non-rotatable manner. For example, the torque support 41 is preferably supported on the abutment 43 by at least one sliding body or rolling body to form an anti-twist device for the threaded spindle 33. The abutment 43 itself can be arranged in a rotationally fixed manner or in a rotationally fastened manner relative to the device housing 5. For example, the abutment 43 has at least one guide rail, on which the torque support 41 is guided when the threaded spindle 33 performs a translational movement along the action axis W, while maintaining an anti-twist state.

[0073] In the exemplary riveting device 1, for example, a spring element 15 is provided, which acts by force into the mandrel receptacle 12, for example via a presser 16. For example, the spring element 15 is arranged in the threaded spindle 33. For example, the threaded spindle 33 and / or the torque support 41 serve as a mating retainer for the spring element 15.

[0074] The force of the spring element 15 can be used as a preload force, which enables or at least contributes to the fixation of the rivet mandrel in the mandrel receptacle 12. For example, the spring element 15 is configured to exert a spring force on the clamping elements 14, 14' in the chuck housing 13. As a result, the clamping elements 14, 14' are pressed into a clamping position against, for example, a rivet mandrel of a blind rivet, which is inserted into the chuck housing 13 through the through-opening 11.1 of the riveting nozzle 11. For example, the spring element 15 is a compression spring.

[0075] The threaded spindle 33 is preferably designed as a hollow spindle having a channel 40 extending in its longitudinal extension. The channel 40 enables the removal of the remnants of the rivet mandrel remaining during the riveting process from the riveting tool 10. For example, in this case, the press piece 16 arranged at the front end 33.1 of the threaded spindle 33 is received in the channel 40, and the press piece 16 itself is designed as a hollow body having a channel 16.1.

[0076] For example, the channel 40 opens at the rear end 33.2 of the threaded spindle 33 into a tubular element 50, which in turn opens into a collecting container 60. For example, a mandrel disposal path is realized in this way via the threaded spindle 33, wherein the collecting container 60 can be used as a collector for the mandrel remainder. Preferably, the collecting container 60 is arranged in a fixed manner on the housing with respect to the device housing 5, in particular, the collecting container 60 is arranged on the device housing 5 in a detachable manner, for example, the collecting container 60 is fastened to the device housing 5, in particular, the collecting container 60 is fastened to the device housing 5 in a detachable manner.

[0077] For example, the torque support 41 is also designed as a hollow body with a channel, which is for example a component of the spindle disposal path to the collecting container 60. For example, the torque support 41 engages in the channel 40 of the threaded spindle 33 and the tubular element 60 engages in the channel of the torque support 41.

[0078] In the exemplary riveting device 1, for example, a support structure 39 is provided, on which, on the one hand, the tool holder 4 is supported axially relative to the action axis W, and on the other hand, an axial bearing 36 is supported axially relative to the action axis W, which axial bearing 36 is preferably designed as a compression bearing and which in turn is supported axially on the spindle nut 34. The riveting nozzle 11 is thus supported via the tool holder 4 and the support structure 39 on the axial bearing 36, which in turn is supported on the spindle nut 34. In this way, a load path is formed for the installation forces occurring during the riveting process, which load path bypasses or largely bypasses the device housing 5.

[0079] In the exemplary riveting device 1, for example, a supporting structure 7 is provided, which supports the tool holder 4. In the present example, the connection between the tool holder 4 and the supporting structure 7 is realized, for example, in that the tool holder 4 is held via the holding structure 6, preferably loosely held on the supporting structure 7. In order to better illustrate this, in Figure 2 It is shown in Figure 1 An enlarged detail of an exemplary riveting device 1 in the region of the connection between the tool holder 4 and the supporting structure 7 is shown in FIG. Figure 3 The supporting structure 7 itself is shown in a perspective view.

[0080] The support structure 7 is, for example, annular. The support structure 39 can have a circumferential collar 39.3 on the outer circumference of the support structure 39, which engages, for example, in a receiving portion 5.3 of the device housing 5 with axial play and / or radial play. Figure 2 and Figure 3As can be seen in FIG. 3 , the bearing structure 7 may be arranged on the supporting structure 39 , in particular, the bearing structure 7 may be formed on the supporting structure 39 , for example, the bearing structure 7 may be molded onto the supporting structure 39 .

[0081] In particular, it can be provided that the bearing structure 7 and the support structure 39 are formed on a common component. In this regard, the annular bearing structure 7 or the support structure 39 can have a flange surface 39.2 on the inner circumferential portion of the annular bearing structure 7 or the support structure 39, which flange surface 39.2 corresponds to the flange surface 4.2 of the flange 4.1 of the tool holder 4. This is to be able to form the above-mentioned load path. For this purpose, the flange surface 39.2, 4.2 can be designed as an inclined surface extending around. For example, the inclined surface widens in the radial direction toward the rivet mouth 11.

[0082] The support structure 39 can be designed as a bearing seat on the end surface of the support structure 39 facing the axial bearing 36, and can have, for example, a recess 39.5, in which the axial bearing 36 is at least partially accommodated or inserted. For example, the axial bearing 36 is an axial rolling bearing. In principle, the axial bearing 36 can also be a needle bearing.

[0083] The support structure 39 may be circular. For example, the support structure 39 has a groove 39.4 on the outer circumferential portion, the longitudinal extension of the groove 39.4 extending in the direction of the action axis W, and a spring portion (not shown in the figure) of the device housing 5 engages in the groove 39.4 to form an anti-twist device. The support structure 39 is preferably designed to resist deformation, in particular, the support structure 39 is preferably designed to resist bending. For example, the support structure 39 is a metal part.

[0084] As mentioned above, the tool holder 4 is held on the support structure 39 via the holding structure 6. For ease of explanation, Figure 4 A holding structure 6 used by way of example is shown in a perspective view.

[0085] The holding structure 6 is preferably a separate component. For example, the holding structure 6 has a through opening 6.1 in the wall surface 6.2. For example, the tool holder 4 is accommodated in the through opening 6.1, or the holding structure 6 is placed on the tool holder 4. In this regard, the holding structure 6 is, for example, a coupling element. For example, the wall surface 6 . 2 in the region surrounding the through-opening 6 . 1 serves as an axial limitation of the collar 4 . 1 of the tool holder 4 .

[0086] The radial dimensions of the holding structure 6 are adapted, for example, to the radial dimensions of the device housing 5. For example, the device housing 5 has an at least partially tubular profile 5.2 in the region around the action axis W. For example, the tubular profile 5.2 is coaxial with the action axis W. For example, the holding structure 6 is arranged on the end surface 5.4 of the tubular profile 5.2 facing the rivet mouth 11. For example, the holding structure 6 extends around the outer circumferential portion of the tool holder 4 relative to the action axis W and closes the inner space of the tubular profile 5.2 of the device housing 5 at the end.

[0087] In the exemplary riveting device 1, the retaining structure 6 is fastened to the supporting structure 7 by way of example via a bayonet lock 70. In addition to the proposed design of the supporting structure 7 or the support structure 39 and the retaining structure 6, the bayonet lock 70 also facilitates the fastening of the tool holder 4 to the supporting structure 7 in a compact manner in the axial direction relative to the action axis W.

[0088] For example, the bayonet lock 70 comprises a bayonet connection 71 which is assigned to the holding structure 6, in particular, is arranged on the holding structure 6, for example, is formed on the holding structure 6. For example, the bayonet connection 71 is arranged at a certain radial distance from the through opening 6.1. For example, the bayonet connection 71 has an annular structure, and the inner circumferential part of the annular structure surrounds the through opening 6.1 at a certain radial distance. For example, the annular structure is concentric with the through opening 6.1 relative to its center axis M2.

[0089] The bayonet connector 71 comprises, for example, a plug-in receiving portion 72 in an annular recess 6.3 in the retaining structure 6, the plug-in receiving portion 72 having a peripheral surface 72.1 and a bottom surface 72.2. The peripheral surface 72.1 extends around the through opening 6.1, for example, at a certain radial distance from the through opening 6.1. The bayonet connector 71 also comprises, for example, at least two radially inwardly protruding fan annular segments 73, 73', which are preferably located on the peripheral surface 72.1, and the fan annular segments 73, 73' are preferably distributed on the circumferential portion of the plug-in receiving portion 72 and are used to lock the bayonet locking member 70.

[0090] The bayonet lock 70 has a further bayonet connection 74, which is arranged on the carrier structure 7. For example, the further bayonet connection 74 is arranged on the annular projection 39.1 of the carrier structure 7 or the support structure 39, in particular, the further bayonet connection 74 is formed on the annular projection 39.1 of the carrier structure 7 or the support structure 39. For example, the annular projection 39.1 is smaller in diameter than the outer contour of the support structure 39, so that a circumferential shoulder 39.6 is formed.

[0091] For example, the annular projection 39.1 is designed to be inserted as an insert into the insert receiving portion 72 of the retaining structure 6. For example, a flange surface 39.2 that interacts with the flange 4.1 of the tool holder 4 is formed on the inner circumferential portion of the projection 39.1. For example, at least two radially outwardly protruding fan ring segments 75, 75' are provided on the outer circumferential portion of the projection 39.1, and the fan ring segments 75, 75' are distributed on the outer circumferential portion and are used to lock the bayonet lock 70.

[0092] Preferably, a gap is formed between at least two annular sectors 73, 73' of the bayonet connection 71, through which the plug-in receiving portion 72 can enter in the axial direction. Preferably, a gap is also formed between at least two annular sectors 75, 75' of the annular projection 39.1. Preferably, the size of the gap is set so that: when the projection 39.1 is inserted into the plug-in receiving portion 72, the at least two annular sectors 73, 73' on the plug-in receiving portion 72 fit into the gap between the at least two annular sectors 75, 75' of the projection 39.1. Preferably, the size of the gap between at least two fan-shaped segments 73, 73' on the plug-in receiving portion 72 is designed so that: when the protrusion 39.1 is inserted into the plug-in receiving portion 72, at least two fan-shaped segments 75, 75' of the protrusion 39.1 fit into the gap between at least two fan-shaped segments 73, 73' of the plug-in receiving portion 72.

[0093] The bayonet connection 71 and the further bayonet connection 74 enable the mechanical connection or fastening of the holding structure 6 to the support structure 7 by means of an insertion-rotation movement. In a first step, the plug-in receptacle 72 of the holding structure 6 is pushed onto the tubular projection 39.1, i.e. the tubular projection 39.1 is inserted into the plug-in receptacle 72. Figure 5 , a simplified cross-sectional view shows the plug connection between the holding structure 6 and the supporting structure 7 when the tool holder 4 is accommodated. In this state, the holding structure 6 and the supporting structure 7 can be separated from each other in the axial direction. The center axis M2 of the through opening 6.1 of the holding structure 6 and the center axis M1 of the supporting structure 7 are preferably coaxial with each other.

[0094] In the second step, the retaining structure 6 rotates relative to the supporting structure 7 around the central axis M1 or M2, and thus the sector ring segments 73, 73' on the retaining structure 6 engage with the sector ring segments 75, 75' on the supporting structure 7 and form a lock for the bayonet lock 70, thereby forcibly preventing the retaining structure 6 from being released from the supporting structure 7 in the axial direction. This state is Figure 6 It is shown simplified in a cross-sectional view.

[0095] Preferably, a stop or rotation stop (not shown in the figures) is provided, by which the rotational movement of the holding structure 6 relative to the support structure 7 is limited when the bayonet lock 70 is locked. This allows the holding structure 6 to enter the desired rotational position in the locked position of the bayonet lock 70. Excessive rotation is prevented by the stop, thereby preventing the locking mechanism from being loosened.

[0096] However, the stopper can also be used to achieve other effects. For example, a light source 80, such as an LED, is arranged in the device housing 5. It is also possible to provide an annular element with a plurality of light sources 80, 80', in particular LEDs, which are distributed around the circumference and which extends around the action axis W. For example, in this case, the retaining structure 6 has one or more light guides 81, 81' in order to pass light from the light source 80 or 80' in the direction of the rivet mouth 11. For example, the light guide 81 or 81' is arranged behind the bayonet lock 70 or the support structure 39 when viewed radially outwards.

[0097] The stopper ensures that in the locked position of the bayonet lock 70 the light guide 81 or 81 ′ is in a predetermined position to ensure that the light generated by the respective light source 80 or 80 ′ is radiated in the desired direction.

[0098] Figure 7 An example of another embodiment of a riveting device 1 ′ is shown. Figure 7 A cross section of another exemplary riveting device 1 ' is shown as an example, the cross section being Figure 2 The cross section of the riveting device 1 in is similar. Figure 1 and Figure 2 Components of another exemplary riveting device 1 ′ that are identical to the components of the exemplary riveting device 1 are provided with the same reference numerals; in this regard, reference is made to Figure 1 and Figure 2 An exemplary riveting device 1 is described.

[0099] Another exemplary riveting device 1 'is provided with Figure 1 and Figure 2The exemplary riveting device 1 of 1 ′ differs in that a device housing 5 ′ is provided, which accommodates the drive device 30 and is used for the bayonet lock 70. In another exemplary riveting device 1 ′, for example, the above-mentioned bayonet connection 74 is assigned to the device housing 5 ′, for example to the tubular contour 5.2 of the device housing 5 ′, in particular, the above-mentioned bayonet connection 74 is arranged on the device housing 5 ′, for example on the tubular contour 5.2 of the device housing 5 ′, for example, the above-mentioned bayonet connection 74 is molded onto the device housing 5 ′, for example, onto the tubular contour 5.2 of the device housing 5 ′.

[0100] In another exemplary riveting device 1 ′, for example, a support structure 39 ′ is provided, which may correspond to the support structure 39 of the exemplary riveting device 1 , but the support structure 39 ′ does not have, for example, the ring-segment segments 75 , 75 ′ of the bayonet connection 74 .

[0101] In contrast, in other exemplary riveting devices 1', the device housing 5' has an annular protrusion 5.1', ​​on the outer circumferential portion of which at least two radially outwardly protruding fan ring segments 75, 75' of the bayonet connection 74 are arranged or formed. Figure 1 and Figure 2 The device housing 5 of the exemplary riveting devices 1 is identical in structure.

[0102] Figure 8 The region of the annular projection 5.1' of the device housing 5' is shown by way of example. For example, the annular projection 5.1' is formed on the device housing 5', for example, the annular projection 5.1' is molded onto the device housing 5'. For example, the annular projection 5.1' is located on one end surface portion 5.4 of the tubular profile portion 5.2 of the device housing 5'. For example, the inner circumferential portion of the annular projection 5.1' surrounds the support structure 39' ( Figure 7 ).

[0103] Fig. 9 An example of another embodiment of a riveting device 1 ″ is shown. Fig. 9 A simplified diagram shows a partial cross section of another exemplary riveting device 1 ″. Figure 1 and Figure 2 Components of another exemplary riveting device 1 ″ that are identical to the components of the exemplary riveting device 1 are provided with the same reference numerals; in this regard, reference is made to Figure 1 and Figure 2 An exemplary riveting device 1 is described.

[0104] Another exemplary riveting device 1″ and Figure 1The exemplary riveting device 1 of exemplarily differs in that the drive device 30 comprises a cylinder-piston unit 90 for actuating the riveting tool 10. The cylinder-piston unit 90 preferably has a cylinder 91 and a piston 92. For example, the cylinder 91 forms a device housing 5″ that accommodates the drive device 30, or the cylinder 91 is a component of the device housing 5″.

[0105] The cylinder 91 preferably has a piston chamber 93, in which the lifting piston 92 is accommodated so that the lifting piston 92 can be moved in a translational manner. The lifting piston 92 is preferably connected to the mandrel receiving part 12 in an operative manner. For this purpose, a piston protrusion 94 can be provided on the lifting piston 92, in particular, a piston protrusion 94 can be formed on the lifting piston 92, which is connected to the mandrel receiving part 12, in particular, the chuck housing 13 at the end or end area facing the riveting tool 10, in particular, the piston protrusion 94 is threadedly connected to the mandrel receiving part 12, in particular, the chuck housing 13 at the end or end area facing the riveting tool 10. For example, the piston protrusion 94 is designed as a tubular part. For example, the piston axis K of the lifting piston 92 is located on the action axis W. For example, the lifting piston 92 is designed to move along the action axis W.

[0106] The drive device 30 can be operated pneumatically and / or hydraulically by means of the cylinder-piston unit 90. For example, at least one supply passage 96 is provided for this purpose. For example, the supply passage 96 leads into a fluid chamber 95, via which a medium pressure can be exerted on the reciprocating piston 92. Another exemplary riveting device 1 ″ is, for example, a compressed air-operated riveting device. Such a compressed air-operated riveting device is known per se and is described in more detail in the publication EP 1 132 160 A1, which is hereby cited to complete and supplement the present disclosure, but it is noted that the publication may give different meanings to the same terms than the current meaning.

[0107] In another exemplary riveting device 1", the mandrel holder 12 is accommodated in an axially movable manner in a tool holder 4", which is supported on the rivet mouth 11 on the one hand and axially supported on the cylinder body 91 on the other hand via a flange 4.1". For example, the flange 4.1" has a flange surface 4.2", which corresponds to the mating flange surface 97.1' assigned to the cylinder body 91. For example, the mating flange surface 97.1' is formed on the cylinder body 91. For example, the flange surface 4.2" of the tool holder 4" is arranged laterally, in particular, the flange surface 4.2" of the tool holder 4" is arranged perpendicular to the action axis W. For example, the flange surface 4.2" of the tool holder 4" extends around the action axis W.

[0108] In another exemplary riveting device 1", for example, a supporting structure 7" is provided, which supports the tool holder 4. In this example, the connection between the tool holder 4" and the supporting structure 7" is achieved, for example, in the following way: the tool holder 4" is inserted into a recess or channel in the device housing 5" and / or the cylinder 91 via a longitudinal section 4.3". In this respect, the longitudinal section 4.3" therefore serves as an insertion section. The outer circumferential portion of the insertion section and the inner circumferential portion of the recess or channel preferably correspond, in particular with a gap. This achieves support transverse to the direction of action W.

[0109] For example, the longitudinal section 4.3" extends from the free end of the tool holder 10 opposite the rivet mouth 11 to the flange 4.1". The flange 4.1" is, for example, configured as a circumferential collar on the outer circumference of the tool holder 4". In particular, the flange 4.1" is arranged or molded onto the circumferential collar on the outer circumference of the tool holder 4". The insertion depth into the device housing 5" or the cylinder 91 is therefore limited by the flange 4.1".

[0110] In another exemplary riveting device 1 ″, a holding structure 6 ″ is provided, for example, to prevent the tool holder 4 ″ from being pulled out of the recess or channel of the device housing 5 ″ or the cylinder 91 . The holding structure 6 ″ is preferably a separate component. For example, the holding structure 6 ″ is provided according to Figure 1 The holding structure 6 of the exemplary riveting device 1 is designed. In this regard, reference is made to the above description of the holding structure 6.

[0111] Another exemplary riveting device 1 ″ is also provided for fastening the holding structure 6 ″ to the carrying structure 7 by means of a bayonet lock. The bayonet lock may be a bayonet lock 70 having bayonet connections 71 and 74, as in Figure 1 In this regard, please refer to the above description, especially Figures 3 to 6 .

[0112] In another exemplary riveting device 1", for example, a bayonet connection 71 is assigned to a retaining structure 6", in particular, the bayonet connection 71 is arranged on the retaining structure 6", for example, the bayonet connection 71 is formed on the retaining structure 6". A further bayonet connection 74 is provided, for example, on a supporting structure 7", in particular, the further bayonet connection 74 is provided on a device housing 5" or a cylinder 91. For example, the further bayonet connection 74 is arranged on an annular protrusion 99 of the supporting structure 7", in particular, the further bayonet connection 74 is formed on the annular protrusion 99 of the supporting structure 7".

[0113] Fig.10 Another embodiment of the riveting device 1.1 is shown, which has an embodiment of a cylinder-piston unit 90. The riveting device 1.1 is Figure 1 An improvement of the riveting device 1. Figure 1 The spindle drive 32 of the riveting device 1 is replaced by the cylinder-piston unit 90 in the riveting device 1.1. The cylinder-piston unit 90 includes a cylinder 91' and a piston 92', which is accommodated in the cylinder 91' in a translationally movable manner. The piston 92' is operably connected to the spindle receiving member 12. The cylinder 91' is supported by an axial end on the support structure 39, which serves as an axial support for the cylinder 91' in this example. In the riveting device 1.1, as in the riveting device 1, the support structure 39 and the bearing structure 7 are formed on the same component.

[0114] Fig.11 A further embodiment of a riveting device 1.2 is shown, which has an embodiment of a cylinder-piston unit 90. The riveting device 1.2 is a development of the riveting device 1.1, in which the supporting structure 7 is arranged directly on the cylinder 91.1' of the cylinder-piston unit 90, in particular, the supporting structure 7 is formed or molded directly on the cylinder 91.1' of the cylinder-piston unit 90, and a separate supporting structure is omitted, for example. For example, a mating flange 97 for the flange 4.1 of the tool holder 4 is formed on the cylinder 91.1'. For example, the mating flange 97 has a mating flange surface 97.1, which corresponds to the flange surface 4.2 of the flange 4.1 of the tool holder 4. For example, in this case, the collar 98 of the cylinder 91.1' assumes the function of the circumferential collar 39.3 of the supporting structure 39, which is described above for Fig.10 Riveting device 1.1 or Figure 1 A riveting device 1 is described.

[0115] Fig.12 Another embodiment of a riveting device 1.3 is shown, which has an embodiment of a cylinder-piston unit 90. The riveting device 1.3 is Figure 7 An improvement of the riveting device 1'. Figure 7The spindle transmission member 32 of the riveting device 1' is replaced by the cylinder-piston unit 90 in the riveting device 1.3. The cylinder-piston unit 90 includes a cylinder 91" and a reciprocating piston, which is accommodated in the cylinder 91" in a translationally movable manner, and the reciprocating piston can be designed in a manner corresponding to the reciprocating piston 92' of the riveting device 1.1. The reciprocating piston 92' is operably connected to the mandrel receiving member 12. The cylinder 91" is supported by one axial end to abut against the support structure 39', which serves as an axial support of the cylinder 91" in this example. In the riveting device 1.3, as in the riveting device 1', the support structure 39' does not form a bayonet connection. The bayonet connection 74 is arranged on the device housing 5', in particular, the bayonet connection 74 is formed on the device housing 5'.

[0116] Fig.13 A further embodiment of a riveting device 1.4 is shown, which has an embodiment of a cylinder-piston unit 90. The riveting device 1.4 is a development of the riveting device 1.3, in which the supporting structure 7' is arranged directly on the cylinder 91.1" of the cylinder-piston unit 90, in particular, the supporting structure 7' is formed or molded on the cylinder 91.1" of the cylinder-piston unit 90, and a separate supporting structure is omitted, for example.

[0117] Fig.14 1 shows an example of a possible embodiment of a blind rivet installation device 100. The blind rivet installation device 100 has the structure of the exemplary riveting device 1 described above, whereby Fig.14 , for the sake of simplicity, only a portion of an exemplary riveting device 1 in the region of a riveting tool 10 is shown. In the blind rivet setting device 100, a rivet mandrel 120 of a blind rivet 110 is inserted into a riveting mouth 11 and received in a mandrel receiving part 12, in particular in a chuck housing 13, and the rivet mandrel 120 of the blind rivet 110 is fixed in the axial direction, for example, by at least one clamping element 14 or 14'. Fig.14 The blind rivet 110 is shown in a state before riveting, wherein the rivet body 130 of the blind rivet 110 is still in its initial state.

[0118] Fig.15 An example of a possible implementation of a rivet nut installation device 200 is shown. The rivet nut installation device 200 has the structure of the exemplary riveting device 1 described above, wherein the mandrel receiving part 12 and the pressing part 16 are modified for the rivet mandrel of the rivet nut, and the rivet mandrel is a threaded rivet mandrel. For example, the pressing part 16 has the function of screwing the threaded rivet mandrel to the rivet nut. For simplicity, Fig.15Only the part of the riveting device 1 in the region of the riveting tool 10 is shown. In the blind rivet nut setting device 200 , a threaded rivet mandrel 220 for a blind rivet nut 210 is accommodated in the mandrel receptacle 12 . Fig.10 The rivet nut 210 is shown in a state before riveting, wherein the rivet body 230 of the rivet nut 210 is still in its initial state.

[0119] For example, in the exemplary blind rivet nut installation device 200, the pressing piece 16 is inserted into the receiving portion of the threaded rivet mandrel 220 and forms a shape-fitting and rotationally fixed connection with the threaded rivet mandrel 220 through the receiving portion. Figure 1 ) acts axially on the push piece 16 to hold the push piece 16 in the receiving portion of the threaded rivet mandrel 220.

[0120] Fig.16 An example of a possible implementation of a pull rivet bolt installation device 300 is shown. The pull rivet bolt installation device 300 has the structure of the above-mentioned exemplary riveting device 1, wherein the mandrel receiving part 12 and the pressing part 16 are modified for the rivet mandrel of the pull rivet bolt, and the rivet mandrel is a threaded rivet mandrel. For example, the pressing part 16 has the function of screwing the threaded rivet mandrel to the screw-in part of the mandrel receiving part 12. Fig.16 In the drawing, for the sake of simplicity, only the part of the riveting device 1 in the region of the riveting tool 10 is shown. In the blind rivet bolt installation device 300 , the threaded rivet mandrel 320 of the blind rivet bolt 310 is accommodated in the mandrel receiving part 12 . Fig.16 The blind rivet bolt 310 is shown in a state before riveting, wherein the rivet body 330 of the blind rivet bolt 310 is still in its initial state.

[0121] For example, in the exemplary pull rivet bolt installation device 300, the pressing member 16 acts on the screw-in part, and in particular, the pressing member 16 is inserted into the retaining member of the screw-in part and forms a shape-fitting and rotationally fixed connection with the screw-in part through the receiving portion. Figure 1 ) acts axially on the pressing piece 16, thereby holding the pressing piece 16 in the receiving portion of the screw-in part.

[0122] In principle, the blind rivet setting device 100 and / or the blind rivet nut setting device 200 and / or the blind rivet bolt setting tool 300 can also have the structure of the riveting device 1 ′ or the riveting device 1 ″ or the riveting device 1.1 or the riveting device 1.2 or the riveting device 1.3 or the riveting device 1.4.

[0123] Reference numerals list

[0124] 1, 1', 1" Riveting Device

[0125] 1.1, 1.2 Riveting device

[0126] 1.3, 1.4 Riveting device

[0127] 2 Handle part

[0128] 2.1 Gripping surface

[0129] 3. Battery

[0130] 4, 4” tool holder

[0131] 4.1, 4.1” flange

[0132] 4.2, 4.2” flange surface

[0133] 4.3” longitudinal section

[0134] 5, 5', 5" device housing

[0135] 5.1' protrusion

[0136] 5.2 Tubular profile

[0137] 5.3 Reception Department

[0138] 5.4 End surface

[0139] 6, 6” retaining structure

[0140] 6.1 Through opening

[0141] 6.2 Wall surface

[0142] 6.3 Recess

[0143] 7, 7', 7" load-bearing structure

[0144] 10 Riveting tools

[0145] 11 Rivet mouth

[0146] 11.1 Through Holes

[0147] 12 Mandrel holder

[0148] 13 Chuck housing

[0149] 14, 14' Clamping element

[0150] 15 Spring element

[0151] 16 Press piece

[0152] 16.1 Channels

[0153] 30 Drive unit

[0154] 31 Electric Motor

[0155] 31.1 Output shaft

[0156] 32 Spindle drive parts

[0157] 33 Threaded spindle

[0158] 33.1 Front end

[0159] 33.2 Rear end

[0160] 34 Spindle nut

[0161] 35, 35' radial bearings

[0162] 36 Axial bearing

[0163] 37, 37' reduction stage

[0164] 38 Intermediate shaft

[0165] 39, 39' Support structure

[0166] 39.1 Protrusion

[0167] 39.2 Flange surface

[0168] 39.3 Ring

[0169] 39.4 Grooves

[0170] 39.5 Recess

[0171] 39.6 Shoulder

[0172] 40 channels

[0173] 41 Torque support

[0174] 43 Butt

[0175] 50 Tubular components

[0176] 60 Collection Container

[0177] 70 Bayonet lock

[0178] 71 Bayonet connection

[0179] 72 Insertion receiving portion

[0180] 72.1 Peripheral surface

[0181] 72.2 Bottom surface

[0182] 73, 73' fan ring segment

[0183] 74 Bayonet connection

[0184] 75, 75' fan ring section

[0185] 80, 80' light source

[0186] 81, 81' Light Guide

[0187] 90 Cylinder-Piston Unit

[0188] 91 Cylinder

[0189] 91', 91.1' cylinder

[0190] 91”, 91.1” cylinder

[0191] 92, 92' Pistons

[0192] 93 Piston chamber

[0193] 94 Piston protrusion

[0194] 95 Fluid Chamber

[0195] 96 Supply Channel

[0196] 97 matching flange

[0197] 97.1 Mating flange surface

[0198] 98 Ring

[0199] 99 Protrusion

[0200] 100 Blind rivet installation device

[0201] 110 Blind Rivets

[0202] 120 Rivet Mandrel

[0203] 130 Rivet body

[0204] 200 Rivet nut installation device

[0205] 210 Rivet Nut

[0206] 220 Threaded rivet mandrel

[0207] 230 Rivet body

[0208] 300 Pull Rivet Bolt Installation Device

[0209] 310 Pull Rivet Bolts

[0210] 320 Threaded Rivet Mandrel

[0211] 330 Rivet body

[0212] K Piston axis

[0213] M1, M2 center axis

[0214] S Spindle axis

[0215] W Action axis.

Claims

1. A riveting device (1; 1'), the riveting device (1; 1') includes: Device housing (5; 5'), A riveting tool (10) having a riveting mouth (11) and a mandrel receiving part (12) which can be moved relative to the riveting mouth (11) along an action axis (W), a drive device (30) located in the device housing (5; 5'), the drive device (30) being used to actuate the riveting tool (10) via a spindle transmission (32), the spindle transmission (32) having a threaded spindle (33) and a spindle nut (34) operatively connected to the threaded spindle (33), wherein the threaded spindle (33) is operatively connected to the spindle receiving part (12) and is designed to move along the action axis (W); A supporting structure (39; 39'), wherein the supporting structure (39; 39') is used to support the spindle nut (34) in the axial direction; a tool holder (4) which is supported axially on the rivet mouth (11) on the one hand and on the support structure (39; 39') via a flange (4.1) on the other hand, wherein the mandrel holder (12) is accommodated in the tool holder (4) in an axially displaceable manner; a bearing structure (7; 7') for supporting the tool holder (4); a holding structure (6), via which the tool holder (4) is held on the supporting structure (7; 7'), The retaining structure (6) and the supporting structure (7; 7') are connected to each other via a bayonet lock (70).

2. A riveting device (1"), the riveting device (1") comprising: Device housing (5"); A riveting tool (10) having a riveting mouth (11) and a mandrel receiving part (12) which can be moved relative to the riveting mouth (11) along an action axis (W), a drive device (30) located in the device housing (5"), the drive device (30) being used to actuate the riveting tool (10) via a cylinder-piston unit (90), the cylinder-piston unit (90) having a cylinder (91) and a reciprocating piston (92) accommodated in the cylinder (91) in a translationally movable manner, wherein the reciprocating piston (92) is operatively connected to the spindle receiving part (12) and is arranged to move along the action axis (W), an optional support structure for axially supporting the cylinder (91); a tool holder (4") which is supported axially on the rivet nose (11) on the one hand and on the support structure and / or the cylinder (91) on the other hand via a flange (4.1"), wherein the mandrel holder (12) is accommodated in the tool holder (4") in an axially displaceable manner, a bearing structure (7"), the bearing structure (7") being used to support the tool receiving part (4"); a holding structure (6"), via which the tool holder (4") is held on the support structure (7"), Therein, the retaining structure (6") and the carrying structure (7") are connected to each other via a bayonet lock (70).

3. The riveting device according to claim 1 or 2, wherein: The bayonet lock (70) comprises a bayonet connection (71) assigned to the retaining structure (6; 6"), and the retaining structure (6; 6") comprises a through-opening (6.1) in a wall surface (6.2), wherein the tool holder (4; 4") is accommodated in the through-opening (6.1) and the wall surface (6.2) is provided in the region surrounding the through-opening (6.1) as an axial limit for a flange (4.1; 4.1") of the tool holder (4; 4"), and The bayonet connection (70) is arranged to have a radial spacing from the through opening (6.1).

4. The riveting device according to claim 3, wherein: The bayonet connection (71) has an annular structure, the inner circumference of which surrounds the through-opening (6.1) and the tool holder (4; 4") at a radial spacing.

5. The riveting device according to claim 3 or 4, wherein: The bayonet connection (71) comprises a plug-in receptacle (72), and the plug-in receptacle (72) has a peripheral surface (72.1) which surrounds the through-opening (6.1) with a radial spacing, At least two radially inwardly protruding fan-shaped segments (73; 73') are arranged on the peripheral surface (72.1), and the fan-shaped segments (73; 73') arranged on the peripheral surface (72.1) are arranged to be distributed on the circumferential portion of the plug-in receiving portion (72) and are used to lock the bayonet locking piece (70).

6. The riveting device according to claim 5, wherein: The plug-in receptacle (72) is formed by an annular recess (6.3) in the retaining structure (6; 6").

7. The riveting device according to any one of claims 1 to 6, wherein: The bayonet lock (70) comprises a bayonet connection (74) assigned to the support structure (7), and the support structure (7) has an annular projection (39.1), on the outer circumference of which at least two radially outwardly projecting fan-shaped segments (75; 75') are arranged, the fan-shaped segments (75; 75') arranged on the outer circumference of the annular projection (39.1) 75') are arranged distributed on the outer circumferential portion and are used to lock the bayonet lock (70).

8. The riveting device according to claim 7, wherein: The bearing structure (7) is arranged on the support structure (39) or is formed by the support structure (39), and a flange surface (39.2) is formed on the inner circumference of the annular projection (39.1) and interacts with the flange (4.1) of the tool holder (4).

9. The riveting device according to any one of claims 1 to 6, wherein: The bayonet locking element (70) comprises a bayonet connection element (74) assigned to the device housing (5'; 5"), and the device housing (5'; 5") has an annular protrusion (5.1'; 99), on the outer circumferential portion of which at least two radially outwardly protruding fan-shaped segments (75; 75') are arranged, and the fan-shaped segments (75; 75') arranged on the outer circumferential portion of the annular protrusion (5.1'; 99) are arranged to be distributed on the outer circumferential portion and are used to lock the bayonet locking element (70).

10. The riveting device according to claim 9, wherein: The inner circumference of the annular projection (5.1') surrounds the carrier structure (7') and / or the support structure (39') and / or the tool holder (4) and / or the flange (4.1) with radial spacing or at least with radial play.

11. The riveting device according to claim 9, wherein: A flange surface (97.1') that cooperates with the flange (4.1") of the tool holder (4") is formed on the end surface of the annular projection (99).

12. Riveting device according to any one of the preceding claims, wherein: The tool holder (5; 5″) has an at least partially tubular profile (5.2), which extends along a tube axis of the tubular profile (5.2) coaxial with the action axis (W), The retaining structure (6; 6") is arranged on the end surface (5.4) of the tubular profile portion (5.2) facing the rivet mouth (11).

13. The riveting device according to claim 12, wherein: The holding structure (6; 6") extends around the outer circumference of the tool holder (4; 4") relative to the action axis (W), and the holding structure (6; 6") covers an end surface (5.4) of the tubular profile (5.2) and / or closes the inner space of the tubular profile (5.2) at the end surface.

14. Riveting device according to any one of the preceding claims, comprising at least one light source (80) located in the device housing (5; 5'), in, The holding structure (6) is designed as a light guide at least in one region, or the holding structure (6) has a light guide (80), so that light from the light source (80) can pass through the light guide (80) in the direction of the rivet mouth (11), Therein, the light guide (81) is arranged behind the bayonet lock (70) and / or the support structure (39; 39') when viewed radially outwards.

15. Riveting device according to any one of the preceding claims, wherein The support structure (39; 39') is annular and has a surrounding collar (39.3) on its outer circumference, which is engaged in a receiving portion (5.3) of the tool holder (5; 5') with axial play and / or radial play.

16. Riveting device according to any one of the preceding claims, wherein: The support structure (39; 39') is annular and has a groove (39.4) or other elongated recess on the circumference, and the longitudinal projection of the groove (39.4) or other elongated recess extends along the action axis (w), In this case, a material portion of the device housing (5) engages in the groove (39.4) or the elongated recess to form a rotation-proof device.

17. Riveting device according to any one of the preceding claims, wherein: The riveting device (1) is a manual riveting device and has a handle portion (2) formed on the tool holder (5) or fastened to the tool holder (5).

18. A blind rivet installation device (100), comprising a riveting device (1; 1'; 1") according to any one of claims 1 to 17, wherein: The rivet mandrel (120) of the blind rivet (110) to be installed is received in the riveting device (1; 1'; 1”) in a spindle receiving member (12).

19. A rivet nut installation device (200), comprising a riveting device (1; 1'; 1") according to any one of claims 1 to 17, wherein: A threaded rivet mandrel (220) for a blind rivet nut (210) to be mounted is received in a mandrel receptacle (12) of the riveting device (1; 1'; 1").

20. A pull rivet bolt installation device (300), comprising the riveting tool (1; 1'; 1") according to any one of claims 1 to 17, wherein: A threaded rivet mandrel (320) of a blind rivet bolt (310) to be installed is received in a mandrel receiving part (12) of the riveting device (1; 1'; 1").

Citation Information

Patent Citations

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