EP2910321B1 - Appareil de pose de rivets aveugles - Google Patents

Appareil de pose de rivets aveugles Download PDF

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Publication number
EP2910321B1
EP2910321B1 EP14156307.2A EP14156307A EP2910321B1 EP 2910321 B1 EP2910321 B1 EP 2910321B1 EP 14156307 A EP14156307 A EP 14156307A EP 2910321 B1 EP2910321 B1 EP 2910321B1
Authority
EP
European Patent Office
Prior art keywords
blind rivet
setting device
battery
housing
rivet setting
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.)
Active
Application number
EP14156307.2A
Other languages
German (de)
English (en)
Other versions
EP2910321A1 (fr
Inventor
Richard Dr. Gärtner
Lothar Wille
Michael Leinweber
Alex Schönberner
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.)
Gesipa Blindniettechnik GmbH
Original Assignee
Gesipa Blindniettechnik 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 Gesipa Blindniettechnik GmbH filed Critical Gesipa Blindniettechnik GmbH
Priority to EP14156307.2A priority Critical patent/EP2910321B1/fr
Priority to US14/628,659 priority patent/US9849502B2/en
Priority to CN201510087386.9A priority patent/CN104858351B/zh
Publication of EP2910321A1 publication Critical patent/EP2910321A1/fr
Application granted granted Critical
Publication of EP2910321B1 publication Critical patent/EP2910321B1/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
    • B21J15/30—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49954—Fastener deformed after application
    • Y10T29/49956—Riveting
    • Y10T29/49957—At least one part nonmetallic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53709—Overedge assembling means
    • Y10T29/53717—Annular work
    • Y10T29/53726—Annular work with second workpiece inside annular work one workpiece moved to shape the other
    • Y10T29/5373—Annular work with second workpiece inside annular work one workpiece moved to shape the other comprising driver for snap-off-mandrel fastener; e.g., Pop [TM] riveter
    • Y10T29/53752—Annular work with second workpiece inside annular work one workpiece moved to shape the other comprising driver for snap-off-mandrel fastener; e.g., Pop [TM] riveter having rotary drive mechanism

Definitions

  • the invention relates to a Blindnietsetz réelle with a housing, with a pulling mechanism in the housing having a movable in a pulling direction chuck and movable in the chuck housing along a clamping jaws, with an electric drive which acts on the chuck housing and having a control device, and with an electric battery as an energy source for the drive, wherein a spring is provided, which acts on the clamping jaws with a force in the chuck housing inside.
  • blind rivet setting device is to be understood in the following to mean a device that can be used for setting blind rivets, blind rivet nuts and generally blind rivet fasteners.
  • a structure such as a wall or a plate
  • setting head abuts the structure.
  • the Blindnietsetzettis a mandrel, which is arranged in Blindnietbefestiger, subjected to a tensile force, which causes the located on the other side of the structure of the Blindnietbefestigers formed and forms a closing head.
  • a mandrel which is arranged in Blindnietbefestiger, subjected to a tensile force, which causes the located on the other side of the structure of the Blindnietbefestigers formed and forms a closing head.
  • a battery which can also be designed as a rechargeable battery, as an energy source has the advantage that it is not hindered in the handling of Blindnietsetz réelles by an electrical supply line.
  • a configuration has the disadvantage that the battery holds only a limited supply of energy and accordingly the number of Blindnietbefestiger to be set is limited.
  • CN 101745597 A shows a Handblindnietzange with two lever arms, which are manually operated and act on a pulling mechanism.
  • the chuck housing has for each jaw on a guideway with an inclined in the pulling direction web ground.
  • the invention has for its object to provide a Blindnietsetzêt, with the largest possible number of Blindnietbefestigern can be set.
  • the jaws are thus not only guided in an inner cone on which they rest practically with only one line, but the jaws are guided in a kind of channel, so that the force exerted by the chuck housing on the jaws radially inward, over a larger Surface can be introduced into the jaws.
  • the guideways prevent lateral deflection of the clamping jaws in the circumferential direction. In this way, one can achieve that a greater part of the power applied by the electric drive can be converted into the tensile force and only a smaller part is required for applying the clamping force.
  • the pulling force required to set a blind rivet fastener and the pull path necessary to form the lock head are directed toward the blind fastener.
  • the drive has a single position sensor for the pulling mechanism, wherein the electric drive comprises a revolution counter.
  • the revolution counter determines the number of revolutions the electric drive has completed.
  • the electric drive acts via a gear on the pulling mechanism, the gear ratio of the transmission is known. So if the information about the performed revolutions of the electric drive to Is available, then there is also information about the distance covered by the pulling mechanism available. This information usually allows to determine the current position of the pulling mechanism with a relatively high accuracy.
  • the pulling mechanism can therefore be driven relatively accurately in predetermined positions, so that superfluous movements are avoided. This also saves electrical drive energy.
  • the revolution counter can also be formed in the control device, for example, when the electric drive has a brushless DC motor (BLDC motor), which is driven by voltage pulses generated by the control device.
  • BLDC motor brushless DC motor
  • the electric drive in a higher frequency than the working frequency can be controlled.
  • an acoustically detectable signal results, which may also be referred to as "beeping” or “buzzing".
  • the drive does not necessarily have to turn further or move differently.
  • the control device preferably has a charge state monitoring device for the battery.
  • the user has continuously the opportunity to learn about the state of charge of the battery. He can then judge whether he wants to use the current existing battery for a planned job, such as setting a predetermined number of blind rivet fasteners, or whether he wants to exchange it for a fresh battery with a larger amount of charge.
  • the state of charge monitoring device has a signaling or shutdown after a last complete setting process. If the state of charge of the battery would no longer be sufficient for another setting operation of a Blindnietbefestigers, this can be signaled to the user, for example, at the end of the "last" complete setting process.
  • the signaling can be done optically, acoustically and / or in other ways, for example by switching off the power supply. This eliminates the risk that a Blindnietbefestiger is no longer properly set, which would require a time-consuming rework.
  • the battery preferably has a data carrier which contains charge information.
  • the state of charge monitor can then use this information to properly assess the state of charge.
  • the drive acts via a ball screw on the chuck housing, which has a pitch of the order of 4 mm.
  • the electric drive must apply a lower torque to apply the tensile force than when using a ball screw with a pitch of 5 mm.
  • the absorbed current and the torque are not in a linear relationship, but the current increases disproportionately with increasing moment.
  • the ball screw has balls that are commonly used for a 5 mm pitch.
  • the balls are so basically "too big" for the ball screw. This allows greater mechanical loads to be absorbed.
  • the housing has on its front side on a lighting device which is operable in at least two different modes.
  • a lighting device which is operable in at least two different modes.
  • the mode “continuous light” results in a kind of flashlight effect.
  • a light beam is directed onto the rivet fastener to be set during the setting process.
  • the battery is a rechargeable battery and has a first coding for the Blindnietsetz réelle and a second coding for a charger.
  • the coding can be formed mechanically, electrically, optically or in another way.
  • the double coding ensures that the battery can only be used with the correct riveting tool and that the battery can only be charged with the right charger. Thus, the risk that the life of the battery is affected by incorrect handling and the achievable state of charge is reduced, small.
  • the battery is connected to the housing by a sliding connection.
  • a sliding connection In known Blindnietsetztechnikn the battery is inserted from below into the handle of the housing. In operation, the battery is then in the direction of gravity down and there is a risk that the battery falls out of the case and injured the fitter or they just lost, for example, on construction sites.
  • the battery In a sliding connection, the battery can still be arranged at the bottom of the housing, resulting in handling to a favorable weight distribution for the fitter. However, it is attached in this position perpendicular to the direction of gravity to the housing and then connected by the sliding connection with the housing.
  • the battery in the housing by at least two mechanical locks, which are arranged one behind the other in the sliding direction, is secured. This reduces the risk of the battery falls out of the case and may cause injury or damage.
  • the pulling mechanism has a pulling path of at least 25 mm. This results in a relatively large area of application for the Blindnietsetzêt. It can also be used for multi-purpose rivets.
  • a Blindnietsetz réelle 1 which can be used for setting Blindnietbefestigern, such as blind rivets, blind rivet nuts or the like, has a housing 2, in which a pulling mechanism is arranged.
  • the pulling mechanism has a chuck housing 3 movable in a pulling direction (dash-dotted line Z).
  • chuck housing 3 a plurality of jaws 4 are arranged.
  • Each jaw 4 is arranged in a guideway 5 which, as shown in FIG Fig. 2 can be seen, an inclined against the pulling direction Z web base 6 has. At this track base 6, the jaw 4 is flat with her back.
  • the guideway 5 thus forms a support for the clamping jaw 4, on which the clamping jaw 4 rests not only linear, but in any position surface.
  • Each jaw 4 is acted upon by the force of a symbolized by a double arrow 7 spring element with a force that loads the jaw 4 to the front end 8 of the chuck housing 3 out. This force ensures that the jaws 4 in the in Fig. 2 shown closed position when no external forces acting on the clamping jaws 4.
  • the clamping jaws 4 have on their inner side 9 a corrugation or other surface geometry that can improve engagement with a mandrel, not shown.
  • the clamping jaws 4 are guided in a kind of channel, so that the clamping jaws are supported flat.
  • the guideways 5 also prevent lateral deflection of the clamping jaws in the circumferential direction.
  • an electric drive 10 which acts on the chuck housing 3 via a gear 11 and can displace the chuck housing 3 in the pulling direction Z.
  • the gear 11 has a stationary in the housing, but rotatably mounted spindle nut 12 and a threaded spindle 13.
  • the spindle nut 12 and the threaded spindle 13 preferably have a pitch of the order of 4 mm, that is, the threaded spindle 13 sets a distance of about 4 mm per revolution of the spindle nut 12 in the pulling direction Z back.
  • a position sensor 14 which detects the position of the threaded spindle 13 and thus the position of the chuck housing 3.
  • the position sensor 14 can also be arranged at a different location. However, there is only this single position sensor 14.
  • the electric drive 10 has a revolution counter. Since the gear ratio of the transmission 11 is known, one can determine exactly by counting the revolutions of the electric drive 10, at which position the threaded spindle 13 and thus the chuck housing 3 are located, so that a very accurate motion control of the pulling mechanism with the threaded spindle 13 and the chuck housing 3 is possible.
  • a control device 15 is shown, which is connected to a switch 16. Upon actuation of the switch 16, the control device 15 controls the electric drive 10 at.
  • the control device 15 can also form the revolution counter, for example, when the electric drive 10 is designed as a brushless DC motor, which responds to pulses from the control device 15. In this case, it is often sufficient to count the pulses.
  • the control device 15 is furthermore connected to a battery 17, which holds an energy supply for the electric drive 10.
  • the control device may have a state of charge monitoring device 19, so that the user can keep informed about the state of charge of the battery 17.
  • the state of charge monitor 19 may be connected to a display, not shown. But it is also possible to connect the state of charge monitor 19 with a color display, so that the user gets informed for example by the color "green” that the state of charge is sufficient, by a color “yellow” that the battery is slowly approaching a discharged state, and by a color “red” that further work with the battery 17 is no longer possible and the battery 17 should be replaced with a new battery.
  • the state of charge monitoring device 19 can also signal that the last possible with the charge of the battery 17 setting process has taken place. This signaling can be done by an acoustic, optical or other signal, such as vibrations. But it is also possible that the state of charge monitor 19, the Blindnietsetz réelle simply deactivated if the charge of the battery 17, although sufficient to start a Blindbefestigersetzvorgang, but it is not sufficient to bring this setting process to an end. With a blind rivet setting device 1 deactivated, the blind rivet setting device 1 does not react when the user actuates the switch 16.
  • the controller 15 may also be used to drive the electric drive 10 at a frequency higher than the operating frequency. In this case, the spindle nut 12 is not noticeably rotated, but the electric drive 10 generates an audible sound. Such signaling may be used to indicate various operating conditions to the user.
  • the battery 17 in the present case contains a data carrier 20 which contains a charge information.
  • the data carrier 20 can be updated, for example, after a charging process of the battery 17 and after each setting process, so that there is always up-to-date information for the state of charge.
  • the control device 15 can also be designed such that it can realize an energy feedback from the electric drive 10 into the battery 17, for example, when the electric drive 10 is decelerated at the end of a setting process.
  • the housing 2 has on its end face 21 a lighting device 22, 23 which is operable in at least two different modes.
  • One mode may be, for example, the operation "continuous light” in which the illumination device 22, 23 continuously emits light.
  • the Blindnietsetzêt 1 can then be used, so to speak, as a flashlight.
  • Another mode may be that light is directed onto the blind rivet fastener to be set only during a setting operation.
  • the battery 17 is arranged at one end of the housing 2, which faces away from the pulling mechanism with threaded spindle 13 and clamping jaws 3. This end is referred to as a "bottom end" for the sake of simplicity.
  • the battery 17 is connected to the housing 2 by a sliding connection.
  • the battery 17 is set from the side to the lower end of the housing 2 and then moved in the drawing plane from left to right or right to left or perpendicular to the drawing plane to be engaged with the housing 2.
  • the blind riveting tool 1 is held downwardly in the gravity direction with the lower end, it is not possible for the battery 17 to easily fall out of the housing 2.
  • the battery is secured by at least two mechanical locks in the housing 2, wherein the mechanical locks are arranged in the sliding direction one behind the other.
  • the sliding direction is in Fig. 4 symbolized with an arrow 24.
  • the battery has outwardly resilient hooks 25, the housing 2 for each Hook forms a first recess 26 and a second recess 27, in which the hook 25 can engage outwards.
  • the battery 17 has a first coding 28 and a second coding 29.
  • the first coding 28 can be checked by Blindnietsetz réelle 1, so that it is ensured that the Blindnietsetz réelle 1 can only be operated with a suitable battery 17.
  • the second coding 29 is provided for a charger not shown in detail, so that it can be ensured that the battery 17 can always be charged only with the right charger.
  • the codes 28, 29 may be formed mechanically, electrically, optically, by software or in another way.
  • the pulling mechanism with the clamping jaws 3 has a pulling path of at least 25 mm. This results in a relatively large area of application for the Blindnietsetz réelle 1.
  • the Blindnietsetz réelle 1 can also be used for Mehr Schlndniete.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)

Claims (13)

  1. Appareil de pose de rivets aveugles (1) avec un carter (2), avec un mécanisme de traction dans le carter (2), qui présente un carter de mandrin (3) mobile dans une direction de traction (Z) et des mâchoires de serrage (4) mobiles le long d'un trajet de serrage dans le carter de mandrin (3), avec un moteur électrique (10), qui agit sur le carter de mandrin (3) et présente un dispositif de commande (15), et avec une batterie électrique (17) en tant que source d'énergie pour le moteur (10), dans lequel un ressort (7) est prévu, qui sollicite les mâchoires de serrage (4) avec une force dans le carter de mandrin (3), caractérisé en ce que le carter de mandrin (3) présente pour chaque mâchoire de serrage (4) une voie de guidage (5) avec un fond de voie (6) incliné par rapport à la direction de traction, sur lequel la mâchoire de serrage (4) respective s'appuie à plat avec son dos sur le chemin de serrage, le moteur électrique (10) présentant une récupération d'énergie.
  2. Appareil de pose de rivets aveugles selon la revendication 1, caractérisé en ce que le moteur (10) présente un seul capteur de position (14) pour le mécanisme de traction, dans lequel le moteur électrique (10) présente un compte-tours.
  3. Appareil de pose de rivets aveugles selon la revendication 1 ou 2, caractérisé en ce que le moteur électrique (10) peut être commandé avec une fréquence supérieure à la fréquence de fonctionnement.
  4. Appareil de pose de rivets aveugles selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de commande (15) présente un dispositif de surveillance d'état de charge (19) pour la batterie.
  5. Appareil de pose de rivets aveugles selon la revendication 4, caractérisé en ce que le dispositif de surveillance d'état de charge (19) présente une signalisation et/ou coupure après une dernière opération de pose complète.
  6. Appareil de pose de rivets aveugles selon la revendication 5, caractérisé en ce que la batterie (17) présente un support de données (20) qui contient une information de charge.
  7. Appareil de pose de rivets aveugles selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le moteur électrique (10) agit sur le carter de mandrin (3) par le biais d'une vis d'entraînement à billes (12, 13), qui présente un pas de l'ordre de 4 mm.
  8. Appareil de pose de rivets aveugles selon la revendication 7, caractérisé en ce que la vis d'entraînement à billes (12, 13) présente des billes, qui sont généralement utilisées pour un pas de 5 mm.
  9. Appareil de pose de rivets aveugles selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le carter (2) présente au niveau de sa face avant (21) un dispositif d'éclairage (22, 23), qui peut fonctionner dans au moins deux modes différents.
  10. Appareil de pose de rivets aveugles selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la batterie est une batterie rechargeable (17) et présente un premier codage (28) pour l'appareil de pose de rivets aveugles (1) et un deuxième codage (29) pour un chargeur.
  11. Appareil de pose de rivets aveugles selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la batterie (17) est reliée au carter (2) par une liaison coulissante.
  12. Appareil de pose de rivets aveugles selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la batterie (17) est bloquée dans le carter (2) par au moins deux verrous mécaniques (25-27), qui sont agencés l'un derrière l'autre dans le sens de coulissement.
  13. Appareil de pose de rivets aveugles selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le mécanisme de traction présente un chemin de traction d'au moins 25 mm.
EP14156307.2A 2014-02-24 2014-02-24 Appareil de pose de rivets aveugles Active EP2910321B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14156307.2A EP2910321B1 (fr) 2014-02-24 2014-02-24 Appareil de pose de rivets aveugles
US14/628,659 US9849502B2 (en) 2014-02-24 2015-02-23 Blind rivet setting device
CN201510087386.9A CN104858351B (zh) 2014-02-24 2015-02-25 空心铆钉设置装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14156307.2A EP2910321B1 (fr) 2014-02-24 2014-02-24 Appareil de pose de rivets aveugles

Publications (2)

Publication Number Publication Date
EP2910321A1 EP2910321A1 (fr) 2015-08-26
EP2910321B1 true EP2910321B1 (fr) 2018-10-17

Family

ID=50156617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14156307.2A Active EP2910321B1 (fr) 2014-02-24 2014-02-24 Appareil de pose de rivets aveugles

Country Status (3)

Country Link
US (1) US9849502B2 (fr)
EP (1) EP2910321B1 (fr)
CN (1) CN104858351B (fr)

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US11396038B2 (en) * 2019-09-06 2022-07-26 Makita Corporation Fastening tool
WO2021247876A1 (fr) 2020-06-03 2021-12-09 Milwaukee Electric Tool Corporation Outil de rivetage
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US20150336159A1 (en) 2015-11-26
CN104858351A (zh) 2015-08-26
CN104858351B (zh) 2018-01-05
EP2910321A1 (fr) 2015-08-26
US9849502B2 (en) 2017-12-26

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