DE102010013515A1 - Drilling-and riveting device for drilling and jointing fuselages during aircraft construction, has spindle for accommodating drilling tool for drilling rivet hole, and riveting unit plugging and setting rivet without device replacement - Google Patents

Abstract

The device (1) has a clamping device (2) for clamping a component (4) to be drilled, and a spindle (6) for accommodating a drilling tool i.e. step drill (8), for drilling a rivet hole (10). A riveting unit (12) plugs and sets a rivet (14) without device replacement. The rivet is positioned in such a manner that a rivet longitudinal axis is extended along a spindle longitudinal axis. The rivet is guided into the rivet hole by feed motion. A counter holder i.e. longitudinal arm (20), is arranged opposite to the spindle, and a locking element (28) of the rivet is screwed by the counter holder. An independent claim is also included for a riveting method for producing a riveting connection.

Description

The invention relates to a drilling and riveting device according to the preamble of patent claim 1 and a riveting method according to the preamble of patent claim 9.

In the field of aircraft construction, and in particular in structural assembly, it is often necessary to connect two or more components together in order to increase the stiffnesses of a structural component, for example of an aircraft fuselage or a wing, and to connect structural components to one another. The components are in this case using rivets, such as Lockbolts or Hi-Loks, d. H. Rivet bolt with a tear-off or screw collar joined together as a closing element.

The holes required to hold the rivets are hereby manually or by means of drilling feed units (BVE), z. B. Klemm BVEs, Concentric Collet BVEs introduced into the components. Klemm BVEs, for example from the DE 196 39 122 A1 Known devices have a clamping device for clamping the component to be drilled and a spindle for receiving a drilling tool. The rivets are then inserted manually and withdrawn with a Nietabziehgerät or screwed on the screw with a screwdriver. The sequence of these operations requires that each rivet hole must be visited several times manually or with different devices, so that this solution is due to the different devices and operations manufacturing and assembly technology consuming and time-consuming.

In contrast, the invention has for its object to provide a drilling and riveting and riveting, in which a joining of components with minimal manufacturing and assembly technical effort is possible.

This object is achieved by a drilling and riveting device with the features of patent claim 1 and by a riveting method according to claim 9.

The drilling and riveting device according to the invention has a clamping device for clamping a component to be drilled and a spindle for receiving a drilling tool for drilling a rivet hole. According to the invention, a riveting device for inserting and setting a rivet is also provided without device change. After creating the hole, the components remain clamped and it is a preferably two-piece connector set. Due to the integrated riveting device, no different devices and working steps are required in comparison with the prior art in order to be able to drill and connect components, in particular in aircraft construction. All machining steps required for drilling and joining can be carried out with the drilling and riveting device according to the invention. As a result, the riveting method is easy to manufacture and assembly technically feasible and inexpensive.

According to a particularly preferred embodiment of the invention, the rivets are each positioned so that the rivet longitudinal axis extends along the spindle longitudinal axis. The rivets are advantageous and without a change in position of the drilling and riveting device in the rivet bore inserted and set.

It has proved to be particularly advantageous if the rivet can be introduced into the rivet bore by means of a feed movement of the spindle. Due to the use of the drill spindle for inserting the rivets, no additional setting devices are required in this case. The drilling tool may be retractable and / or giftable for releasing the work area for the riveting operation.

The drilling and riveting device preferably uses a counter-holder arranged opposite the spindle, wherein a closing element, for example a locking collar of the rivet, can be screwed by means of the counter-holder or a tear-off shaft of the rivet can be pulled off by means of the counter-holder. The solution according to the invention is particularly advantageous for the use of two-piece rivets, such as Lock Bolts or Hi-Loks, d. H. Rivet bolt with a tear-off or screw collar as a closing element, suitable. Alternatively, solid rivets or pull rivets can be used.

In a preferred embodiment, the drilling and riveting device is associated with at least one external or machine-internal magazine for feeding the rivets and / or closing elements. Due to the automated supply of the rivets and preferably also of the closing elements of assembly work can be further reduced.

The clamping device preferably has a clamping member surrounding the component in sections, which is provided with at least one magazine. The clamp can record the riveting forces in addition to the clamping and drilling forces for fixing and drilling of the components, so that overall a compact, rigid drilling and riveting device is achieved.

According to a preferred embodiment of the invention, the clamping bracket is formed substantially C-shaped and has two oppositely arranged and connected via a transverse leg longitudinal leg. The Long legs is preferably associated with a respective magazine, wherein the device-side longitudinal leg has a magazine for storing the rivet and the opposite longitudinal leg a magazine for storing the closing elements. The magazines are preferably at least partially integrated into the longitudinal limbs, ie received within the longitudinal limbs. As a result, an extremely compact construction of the drilling and riveting device is achieved.

Alternatively or additionally, the device may each have a supply hose for providing the rivets and / or closing elements. The rivets and / or closing elements of the drilling and riveting device in this variant of external magazines can be supplied, which can have a large storage volume. The process times can be further minimized due to the reduced refilling times. Furthermore, the drilling and riveting device can be supplied with different rivet types, rivet lengths and / or rivet types, so that the joining process can be carried out without interruption, even with varying rivets.

• a) Beklemmen eines zu bohrenden Bauteils mittels einer Klemmeinrichtung der Bohr- und Nietvorrichtung;
• b) Bohren einer Nietbohrung;
• c) Stecken eines Niets mittels einer Nieteinrichtung der Bohr- und Nietvorrichtung und
• d) Setzen des Niets mittels der Nieteinrichtung.

A riveting method according to the invention for producing a riveted joint by means of a drilling and riveting device comprises the following steps:

• a) clamping a component to be drilled by means of a clamping device of the drilling and riveting device;
• b) drilling a rivet hole;
• c) inserting a rivet by means of a riveting the drilling and riveting and
• d) Setting the rivet by means of the riveting device.

The field of application of the drilling and riveting device according to the invention and of the riveting method are, in particular, all non-detachable connections of primary and secondary components in aircraft construction, such as stringer skin connections, Doppler skin connections, frame skin connections, frame clip connections, cleat frame connections, butterfly fittings, holders -Primärstrukturverbindungen, Halter-Halterverbindungen, shell mounting on longitudinal seams, Spantkupplungsmontagen, sectional mountings on cross seams and stringer couplings, rib skin joints, window frame skin joints, truss connections in and to the connection components and basically all primary structures of the fuselage including floor, wing with wing box and tail. The solution according to the invention can be used advantageously in riveting machines and riveting robots.

Other advantageous developments of the invention are part of the further subclaims.

In the following, a preferred embodiment of the invention will be explained in more detail with reference to a schematic drawing.

The figure shows a drilling and riveting device 1 in the field of drilling and riveting equipment for drilling and joining aircraft components. The drilling and riveting device has a clamping device 2 for clamping a schematically illustrated, to be drilled multi-part component 4 and a spindle 6 for receiving a step drill 8th as a drilling tool for producing a rivet hole 10 on.

• a) Beklemmen des zu bohrenden Bauteils 4 mittels der Klemmeinrichtung 2;
• b) Bohren der Nietbohrung 10;
• c) Stecken eines Niets 14 mittels der Nieteinrichtung 12 und
• d) Setzen des Niets 14 mittels der Nieteinrichtung 12.

The drilling and riveting device 1 is also a riveting device 12 for inserting and setting a rivet 14 assigned without device change, so that required for drilling and joining processing steps with the drilling and riveting device according to the invention 1 can be carried out, wherein the riveting method comprises the following steps:

• a) clamping the component to be drilled 4 by means of the clamping device 2 ;
• b) Drilling the rivet hole 10 ;
• c) Inserting a rivet 14 by means of the riveting device 12 and
• d) Setting the rivet 14 by means of the riveting device 12 ,

A multiple search of the hole is not necessary, as the work steps drill, rivet stuck and rivet set to be handled in one operation. As a result, the drilling and riveting manufacturing and assembly technology is simple and inexpensive to carry out.

The rivet 14 be by means of the riveting device 12 each set for setting such that the rivet longitudinal axis extends along the spindle longitudinal axis. The rivet 14 are advantageous and without a change in position of the drilling and riveting device 1 into the rivet hole 10 insertable and settable.

In the illustrated embodiment of the invention, the rivet 14 by means of a feed movement of the spindle 6 in the direction of the arrow in the rivet hole 10 introduced. Due to the use of the drill spindle 6 for inserting the rivet 14 In this case, no additional setting facilities are required. The clamping device has a component 4 Sectionally encompassing clamp 16 which is formed substantially C-shaped and two oppositely arranged and a transverse leg 18 connected longitudinal legs 20 . 22 having. The clamp 16 transfers in addition to the clamping forces for fixing the components 4 also the riveting forces, so that a total of a compact, rigid drilling and riveting device is achieved. One of the spindle 6 opposite arranged longitudinal leg 22 the clamping device 16 is designed as a counter-holder, wherein a closing element 28 , For example, a locking ring or collar of the rivet, by means of the counter-holder screwed or alternatively a tear-off of the rivet 14 removable by means of the counter-holder. For example, lock-Bolts or hi-locomotives, ie rivet bolts with a tear-off or screw collar can be set as a closing element. The counter-holder can for this purpose have an axially movable or rotatable device.

The longitudinal thighs 20 . 22 is a magazine 24 . 26 assigned, wherein the device-side longitudinal leg 20 a magazine 24 for storing the rivets 14 and the opposite longitudinal leg 22 a magazine 26 for storing the closing elements 28 having. The magazines 24 . 26 have a number of rivets or closing elements 28 on and are in the longitudinal legs 20 . 22 integrated, ie absorbed within the longitudinal limbs. As a result, an extremely compact construction of the drilling and riveting device is achieved.

Disclosed is a drilling and riveting device 1 with a clamping device 2 for clamping a component to be drilled 4 and with a spindle 6 for receiving a drilling tool 8th for drilling a rivet hole 10 , wherein a riveting device 12 for inserting and setting a rivet 14 is provided without device change. Further disclosed is a riveting method for producing a riveted joint by means of such a drilling and riveting device 1 ,

LIST OF REFERENCE NUMBERS

1

Drilling and riveting device

2

clamper

4

component

6

spindle

8th

Step drills

10

rivet hole

12

riveting

14

rivet

16

clamp

18

transverse leg

20

longitudinal leg

22

longitudinal leg

24

magazine

26

magazine

28

closing element

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 19639122 A1 [0003]

Claims (10)

Drilling and riveting device with a clamping device ( 2 ) for clamping a component to be drilled ( 4 ) and with a spindle ( 6 ) for receiving a drilling tool ( 8th ) for drilling a rivet hole ( 10 ), characterized by a riveting device ( 12 ) for inserting and setting a rivet ( 14 ) without device change. Drilling and riveting device according to claim 1, wherein the rivet ( 14 ) is positionable such that the rivet longitudinal axis extends along the spindle longitudinal axis. Drilling and riveting device according to claim 1 or 2, wherein the rivet ( 14 ) by means of a feed movement of the spindle ( 6 ) into the rivet hole ( 10 ) is insertable. Drilling and riveting device according to one of the preceding claims, with one of the spindle ( 6 ) opposing counterholds ( 20 ), wherein a closing element ( 28 ) of the rivet ( 14 ) by means of the counter-holder ( 20 ) or a tear-off shaft of the rivet ( 14 ) by means of the counter-holder ( 20 ) is removable. Drilling and riveting device according to one of the preceding claims, wherein the device at least one magazine ( 24 . 26 ) for feeding the rivets ( 14 ) and / or closing elements ( 28 ) having. Drilling and riveting device according to claim 5, wherein the clamping device ( 2 ) one the component ( 4 ) clamping clamps enclosing sections ( 16 ) provided with at least one magazine ( 24 . 26 ) is provided. Drilling and riveting device according to claim 6, wherein the clamping bracket ( 16 ) is substantially C-shaped and two oppositely arranged and a transverse leg ( 18 ) associated longitudinal legs ( 20 . 22 ) of the clamping bracket ( 16 ) one magazine each ( 24 . 26 ) exhibit. Drilling and riveting device according to one of the preceding claims, wherein the device comprises a supply hose for providing the rivets ( 14 and / or closing elements ( 28 ) having. Riveting method for producing a riveted joint by means of a drilling and riveting device ( 1 ) according to one of the preceding claims, with the steps: e) clamping a component to be drilled ( 4 ) by means of a clamping device ( 2 ) of the drilling and riveting device ( 1 ); f) drilling a rivet hole ( 10 ); g) Inserting a rivet ( 14 ) by means of a riveting device ( 12 ) of the drilling and riveting device ( 1 ) and h) setting the rivet ( 14 ) by means of the riveting device ( 12 ). Riveting method according to claim 9, wherein the rivet ( 14 ) by means of the feed movement of a for receiving a drilling tool ( 8th ) provided spindle ( 6 ) into the rivet hole ( 10 ) is introduced.

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