EP3181260A1 - Identification d'un patinage - Google Patents

Identification d'un patinage Download PDF

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Publication number
EP3181260A1
EP3181260A1 EP15200720.9A EP15200720A EP3181260A1 EP 3181260 A1 EP3181260 A1 EP 3181260A1 EP 15200720 A EP15200720 A EP 15200720A EP 3181260 A1 EP3181260 A1 EP 3181260A1
Authority
EP
European Patent Office
Prior art keywords
force
rivet
path
setting
riveting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15200720.9A
Other languages
German (de)
English (en)
Other versions
EP3181260B1 (fr
Inventor
Andreas Scharfenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to EP15200720.9A priority Critical patent/EP3181260B1/fr
Priority to CN201611178159.8A priority patent/CN106975723B/zh
Publication of EP3181260A1 publication Critical patent/EP3181260A1/fr
Application granted granted Critical
Publication of EP3181260B1 publication Critical patent/EP3181260B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/04—Riveting hollow rivets mechanically
    • B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/105—Portable riveters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/26—Drives for riveting machines; Transmission means therefor operated by rotary drive, e.g. by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
    • B21J15/285—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups for controlling the rivet upset cycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B21J15/326—Broken-off mandrel collection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
    • B21J15/383—Hand tools for riveting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
    • B21J15/50—Removing or cutting devices for rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0007—Tools for fixing internally screw-threaded tubular fasteners
    • B25B27/0014—Tools for fixing internally screw-threaded tubular fasteners motor-driven

Definitions

  • the invention relates to a hand-Blindnietsetz réelle and a method for its operation.
  • Blind rivet setting tools are known from the prior art. To make the connection, a blind rivet is used together with the setting tool.
  • Blind riveting is a mechanical joining process in which a blind rivet is inserted into a prefabricated hole on two components to be joined together and plastically deformed with the blind riveting tool.
  • the deformation of the blind rivet is carried out by a rivet mandrel, which is pulled by the Blindnietsetzêt. Once the deformation is completed, the rivet mandrel breaks at a predetermined breaking point. In this way, a frictional connection of both components.
  • the blind rivet therefore comprises two parts, a rivet sleeve and a rivet mandrel.
  • the Industrial Blindnietsetzellaan fieen are usually realized by means of the following means: superordinate control (eg base station, rivet controller) for one or more rivet setting devices, a power unit depending on the requirement for the power output of Nietsetzaku, one or more rivet setting devices.
  • the Nietsetzieri usually include at least one pulling device for pulling the mandrel, which by means of a drive (pneumatic, hydraulic, electric) can be driven.
  • the rivet mandrel is held by means of clamping jaws during the setting process. During setting, the jaws can slip more or less strongly on the rivet mandrel. With greater wear of the jaws and more contamination of the riveting equipment reduces the frictional contact and increases the slip between jaws and rivet mandrel. This can even result in too much contamination of the rivet mandrel not enough of the jaws be held and thus the rivet mandrel can not be demolished by the rivet.
  • the manual rivet setting device is a device with a housing which comprises the claimed features.
  • the device is intended as a self-measuring and process-monitoring device with fully integrated device control. This means that the device automatically monitors the setting process carried out by the device and preferably also assesses it qualitatively, without the need of a higher-level instance.
  • the device is realized in such a way that, as a compact and self-contained device, it is easy to hold in the hand and thus can be easily transported and guided.
  • a battery operation is provided, which makes the device independent of an external power supply.
  • the housing preferably also comprises a means for the automatic removal of a torn off rivet mandrel after the setting process, so that regardless of the current position of the device, the torn rivet mandrel can be safely removed by means of a channel-like Nietdornab Entry to a rivet mandrel container also disposed on the device.
  • the Nietdornab Entry is realized by means of an air flow.
  • the rivet setting device is adapted to the force data recorded by means of the device-internal electronics and sensors with respect to the pulling force exerted on the rivet mandrel during a setting operation and the path data detected by the device-internal electronics and sensor system with respect to the path traveled by the rivet mandrel during a setting process log and store it internally, so that for each set by the device setting process, a force-way record is provided by the device, which it allows a graph to be displayed with regard to the force-displacement curve, in particular also after the setting process, but also during the setting process.
  • the abscissa of a coordinate system for displaying the graph preferably corresponds to the path, and the original coordinate of the coordinate system preferably corresponds to the force. It would also be conceivable alternatively to ablate the force on the abscissa and the path on the ordinate of the coordinate system.
  • the data are stored internally as force-tow data pairs in a device memory and linked with the associated setting process.
  • the rivet setting device comprises comparison means, preferably computer-implemented on the device control, on which a software is executable, which is able to perform the comparison.
  • the comparison means is provided for comparing at least two existing force-path profiles, which can be assigned to different setting processes, with one another, and deriving from the comparison result an action specific to the riveting apparatus.
  • a required replacement or a required cleaning of the riveting tool can be detected and displayed by the riveting tool automatically and in good time.
  • the data pairs automatically assigned to each other by the device consisting of force data and travel data, which are acquired by the sensors during a setting process and represent the graph of a setting process, form a curve, which is also referred to as a riveting curve.
  • This allows a software-based wear monitoring by means of the analysis of the curve as well as a monitoring for contamination of the housing components of the Neitsetzviks included device components, in particular the mechanism for gripping and / or pulling the rivet mandrel.
  • the gripping mechanism is usually subjected to high contamination, for example by metal abrasion from the rivet mandrel during setting operations.
  • a first force-path curve is maintained in a first device mode as a reference curve for comparison with all other force-path curves.
  • This reference history is preferably from a reference rivet setting process provided shortly after a new, overhauled, or recently refurbished or cleaned grooving machine was put into service.
  • the reference profile creates an assessment criterion for the state of the device-internal components for all subsequent setting processes.
  • the second setting process that is to say a setting process following the reference rivet setting process, the second force-path curve is detected and provided in the device memory, preferably including linking to the corresponding setting process.
  • a plurality of force-path curves are maintained in a second alternative or additionally provided device mode for comparison with each other.
  • the reference Nietsetzvorgang hierbai successively be compared with each setting process provided force-path profiles compare with each other, that is, the currently provided force-path curve is compared in each case with the previous force-path curve, and so on.
  • the overall results of all previous comparisons are considered indicative of any upcoming maintenance or cleaning of the components.
  • the riveting operation preceding the current riveting operation therefore represents a temporary reference course, which, however, after completion and comparison with the current rivet setting process, is again replaced by the latter.
  • Nietsetzvorgang then acts again the currently completed Nietsetzvorgang as a temporary reference curve and so on.
  • a number of X force-displacement curves are considered one after the other and with a recognizable successive extension or successive force increase during the associated Nietsetzvorganges the action is derived and thus made a tendency deterioration of the device state visible to the operator.
  • it is also computer-implemented to examine a multiplicity of consecutive, preferably device-internal, stored force-path curves corresponding to the temporal sequences of their provision with respect to a displacement of the graph defined by the force-displacement data, especially by comparison of the graphs with one another Direction and / or direction.
  • a preferably provided and tolerance-dependent triggering of the action makes it possible to hide changes in the force-path course, which are not indicative of internal changes in the components or are tolerable, when the action is triggered.
  • tolerance-dependent triggering of the action makes it possible to hide changes in the force-path course, which are not indicative of internal changes in the components or are tolerable, when the action is triggered.
  • a force-path curve with respect to its geometric properties, preferably device-internally by means of the device control included in the device, in particular with respect to the steepness of a preferably selectable graph section or for detection sawtooth-like gradients on the graph.
  • a curve discussion or other mathematical analysis is more preferably performed, which allow retrospective conclusions about the setting process, which is the basis of the graph.
  • a user instruction is provided, in particular with regard to Nietdornschlupfes or a shift of the force-path profiles with each other in the direction of force and / or direction of travel, in particular provided to visualize the user information on a display means, which is preferably encompassed by Nietsetzêt.
  • the worker thus receives a maintenance signal early on and can replace the device at the next shift change or give it for inspection.
  • the worker himself can take immediate action, depending on the urgency of the current state of the device.
  • the action is preferably forwarded to a remote entity, for example to a central maintenance server or to a similar device.
  • the invention is, and preferably wirelessly, for example by means of WLAN or Bluetooth. Such instances can then take immediate action.
  • the rivet setting device or individual device functions can be controlled as a function of the comparison result, for example, can be unlocked or blocked for further operation. This would be realized by means of network connection, for example, also from a distance.
  • the pulling device can be regulated as a function of the result of the comparison, so that the tensile force, preferably depending on the slip, can be changed.
  • FIG. 1 shown riveting tool is used for setting consisting of a rivet and a rivet mandrel rivets or blind nuts. It is a cordless device for manual operation. Stationary devices would also be conceivable.
  • a device head 10 with mouthpiece for holding the rivet mandrel.
  • a force sensor with Nietdorn to hold the rivet mandrel.
  • a trapezoidal or ball screw 7 with Nietdorn to hold the rivet mandrel.
  • a pinch mandrel clamped during operation by the jaws of the mouthpiece can be removed after its demolition by the aforementioned components 10, 9, 7 by means of a Nietdornab Adjustskanals (not shown) to the Nietdorn intender 12 by suitable movements of the riveting tool or a breeze.
  • the trapezoidal or ball screw 7 is driven by means of an electric motor 5, preferably in conjunction with a transmission 6.
  • a travel sensor 8 is arranged, which detects the traversed by the trapezoidal or ball screw 7 path directly or indirectly, by means of traversed by the trapezoidal or ball screw 7 angle of rotation.
  • the travel sensor 8 could also be arranged on the motor 5 and detect its rotational angle.
  • Reference numeral 11 denotes a device-internal device control 11 with communication module and display (not shown), which may be at least partially included by the housing of the riveting tool.
  • the rivet mandrel container 12 may also be at least partially enclosed by the same housing.
  • a wiring harness 3 is provided, which extends inside the housing.
  • Reference 2 indicates the interface with power electronics for driving the motor. 5
  • the housing of the riveting tool preferably also the device control 11.
  • the device control 11 is capable without any higher-level control of completely self-sufficient rivet setting processes to control or regulate and to log or analyze.
  • the device controller 11 is so connected to the sensors 8, 9, so that they can store the continuously supplied by the sensors during a setting process amount of data.
  • the force-path data is stored in a device-internal force-path data memory 13.
  • This power-path data memory 13 may be included in the device controller 11.
  • Power-path data comparison means 14 may also be included in the device controller 11.
  • the device controller 11 is preferably a microprocessor, in particular with a real-time operating system, wherein the device functions, including the comparison processes and the riveting curve analyzes, are preferably implemented by means of a computer-implemented program stored in the device memory and executable on the microprocessor or the operating system.
  • the inventive method is implemented as claimed, preferably by means of individually executable program threads.
  • a quality analysis of the riveted joints can also be made using reference datasets and / or force-displacement datasets.
  • force-displacement curves or analysis results related thereto can be displayed visually in the display of the preferably device controller 111.
  • the Nietsetzêt invention is set up so that it riveting can also transmit to a higher-level institution. Such would be used for visualization purposes of a monitor.
  • the preferred solution presented here makes it possible to retrospectively evaluate the force-displacement diagrams of each individual rivet connection, which was realized within a production line. It is also possible to assign riveting curves to individual components internally, for which purpose the rivet setting device according to the invention has been provided for connection to complex component databases. Such databases may preferably also be stored in the device memory.
  • a maximum tolerance band for the amplitude of permissible irregularities in the course of the riveting curve in particular for the detection of a sawtooth course or of discontinuous discontinuous progressions, which may also indicate mechanical errors.
  • the rivet setting device according to the invention is particularly preferably provided in order to automatically recognize a saw tooth course within a riveting curve. This function is optionally selectable on the rivet setting device according to the invention.
  • the amplitude of the sawtooth curve on the rivet curve can also indicate slippage of the rivet mandrel between the clamping jaws, that is, slippage can also be detected over a permissible, in particular a maximum, vertical spread of the rivet curve and lead to a maintenance note as action.
  • a limit curve for the way or the force is specified. If this limit curve is exceeded, the riveting result may still be OK, but the riveting tool preferably gives one Maintenance note.
  • Each individual rivet curve point can preferably be provided with individual deviation tolerances.
  • FIG. 2 roughly schematically shows a rivet curve 28 (force-displacement curve) in general, which is provided by the Blindnietsetz réelle during a Blindnietsetzvorgangs.
  • a rivet curve 28 force-displacement curve
  • FIG. 2 shows a rivet curve 28 (force-displacement curve) in general, which is provided by the Blindnietsetz réelle during a Blindnietsetzvorgangs.
  • FIG. 3 shows roughly schematically the rivet curve FIG. 2 , wherein a tolerance window is predetermined around the sawtooth region 30.
  • the tolerance window causes a sawtooth within the tolerance window to lead to no action, only courses outside the tolerance range trigger an action.
  • a limit curve section in the force increase region 24 is also shown.
  • the limit curve section 29 causes a course within the limit curve section 29 to lead to no action, only courses to the right of the limit curve section 29 trigger an action.
  • FIG. 4 shows the essential steps of the method according to the invention, namely detecting a distance traveled S0; detecting S1 a path-dependent applied force; providing S2 of a first force-path course by pairwise assigning the values of a first force data set that can be assigned to a first setting process to the values of a first path data set that can also be assigned to the first setting process and providing S3 of a second one Force-path course by assigning the values of a second force data set, which can be assigned to a second setting process, to the values of a second path data set, which can be assigned to the second setting process; and comparing S4 of both force-path profiles with each other and deriving an action S5 from the comparison result.
  • the method is computer-implemented by means of a program executable on the device controller 11 and preferably can be called up wirelessly by the riveting device from an internet server. Program updates are carried out automatically or at the push of a button by the rivet setting device at the request of the user.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
EP15200720.9A 2015-12-17 2015-12-17 Identification d'un patinage Active EP3181260B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15200720.9A EP3181260B1 (fr) 2015-12-17 2015-12-17 Identification d'un patinage
CN201611178159.8A CN106975723B (zh) 2015-12-17 2016-12-19 滑转识别

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15200720.9A EP3181260B1 (fr) 2015-12-17 2015-12-17 Identification d'un patinage

Publications (2)

Publication Number Publication Date
EP3181260A1 true EP3181260A1 (fr) 2017-06-21
EP3181260B1 EP3181260B1 (fr) 2019-09-25

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Family Applications (1)

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EP15200720.9A Active EP3181260B1 (fr) 2015-12-17 2015-12-17 Identification d'un patinage

Country Status (2)

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EP (1) EP3181260B1 (fr)
CN (1) CN106975723B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017223713A1 (de) * 2017-12-22 2019-06-27 Robert Bosch Gmbh Verfahren und Vorrichtung zum Setzen von Blindnieten oder Blindnietmuttern
CN113906464A (zh) * 2019-05-29 2022-01-07 奥迪股份公司 工艺监控方法、计算机程序、数据处理设备、计算机可读介质以及工艺监控设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11673243B2 (en) 2018-09-05 2023-06-13 Milwaukee Electric Tool Corporation Blind rivet nut-setting tool
GB2602978A (en) * 2021-01-20 2022-07-27 Atlas Copco Ias Uk Ltd Computer implemented method for adjusting a fastener setting tool

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5661887A (en) * 1995-04-20 1997-09-02 Emhart Inc. Blind rivet set verification system and method
WO2003059551A1 (fr) * 2002-01-21 2003-07-24 MS Gerätebau GmbH Outil de pose equipe de systemes de controle de processus de pose
EP1382406A2 (fr) * 2002-07-18 2004-01-21 Newfrey LLC Procédé et dispositif de surveillance de la pose de rivets aveugles
WO2009074312A1 (fr) * 2007-12-10 2009-06-18 Hs-Technik Gmbh Procédé pour poser des éléments rivetés au moyen d'un appareil de rivetage portable entraîné par un moteur électrique, et appareil de rivetage
DE102013221789A1 (de) * 2013-10-28 2015-04-30 Robert Bosch Gmbh Nietsetzgerät mit automatischer Nietdornabführung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2299288A (en) * 1995-03-24 1996-10-02 Avdel Systems Ltd Riveting apparatus
US5813477A (en) * 1996-05-23 1998-09-29 Chicago Pneumatic Tool Company Vibration-reduced impact tool and vibration isolator therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5661887A (en) * 1995-04-20 1997-09-02 Emhart Inc. Blind rivet set verification system and method
WO2003059551A1 (fr) * 2002-01-21 2003-07-24 MS Gerätebau GmbH Outil de pose equipe de systemes de controle de processus de pose
EP1382406A2 (fr) * 2002-07-18 2004-01-21 Newfrey LLC Procédé et dispositif de surveillance de la pose de rivets aveugles
WO2009074312A1 (fr) * 2007-12-10 2009-06-18 Hs-Technik Gmbh Procédé pour poser des éléments rivetés au moyen d'un appareil de rivetage portable entraîné par un moteur électrique, et appareil de rivetage
DE102013221789A1 (de) * 2013-10-28 2015-04-30 Robert Bosch Gmbh Nietsetzgerät mit automatischer Nietdornabführung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017223713A1 (de) * 2017-12-22 2019-06-27 Robert Bosch Gmbh Verfahren und Vorrichtung zum Setzen von Blindnieten oder Blindnietmuttern
CN113906464A (zh) * 2019-05-29 2022-01-07 奥迪股份公司 工艺监控方法、计算机程序、数据处理设备、计算机可读介质以及工艺监控设备

Also Published As

Publication number Publication date
CN106975723A (zh) 2017-07-25
EP3181260B1 (fr) 2019-09-25
CN106975723B (zh) 2021-06-08

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