EP2719482A1 - Appareil de pose de rivets à pétales - Google Patents

Appareil de pose de rivets à pétales Download PDF

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Publication number
EP2719482A1
EP2719482A1 EP12007069.3A EP12007069A EP2719482A1 EP 2719482 A1 EP2719482 A1 EP 2719482A1 EP 12007069 A EP12007069 A EP 12007069A EP 2719482 A1 EP2719482 A1 EP 2719482A1
Authority
EP
European Patent Office
Prior art keywords
head
setting device
mandrel
control device
drive
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.)
Withdrawn
Application number
EP12007069.3A
Other languages
German (de)
English (en)
Inventor
Richard Gärtner
Wille Lothar
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 EP12007069.3A priority Critical patent/EP2719482A1/fr
Publication of EP2719482A1 publication Critical patent/EP2719482A1/fr
Withdrawn legal-status Critical Current

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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
    • B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
    • 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

Definitions

  • the invention relates to a peeling rivet setting device with a counter holder, a traction head movable relative to the counter holder in a pulling direction, a drive driving the traction head, a control device controlling the drive and an actuating device connected to the control device.
  • a peel rivet also referred to as "Peel Rivet" is constructed in the manner of a blind rivet with a rivet mandrel guided by a rivet shank having a setting head.
  • the rivet mandrel has at its guided through the rivet shank end a plurality of circumferentially distributed cutting and a cone.
  • the cone then deforms the cut-open portions of the shank so that they curl outward to form a closing head.
  • Application examples of such a Schullniet are roof structures, in particular flat roof structures and critical substrates in which self-drilling screws do not provide sufficient security, eg aluminum and steel profiles, wood and plastic plates, etc.
  • the invention has for its object to make the setting of peeling rivets easy.
  • the actuator generates a stop signal when released.
  • the installer usually feels the demolition of the rivet mandrel when the closing head has been finished. In this case, it releases the actuator, which then generates a stop signal.
  • This stop signal causes the pulling head to remain in the position in which it was when the operating device was released. In this situation, therefore, the pulling head is moved neither in the pulling direction nor against the pulling direction.
  • the control device it is possible for the control device to have a mandrel breakage detector which generates a tear-off signal, the control device stopping the pulling head in a rear end position after the occurrence of the tear-off signal.
  • the Dornabrissdetektor can be designed as a separate component or as a separate module. However, it may also be formed by a part of the control device or be a program section executed therein, detecting, for example, a change in the speed of the pulling head or in the driving power or any other signal indicating a break. As soon as the rivet mandrel has been torn off, further movement of the pulling head is no longer required and in many cases would even be disruptive. For this reason, the pulling head is stopped. Another operation by the fitter is not required at this moment. Due to the fact that the setting device stops working, the installer is informed that the setting process has taken place.
  • the mandrel breakage detector detects a pulling force of the pulling head and generates the tear-off signal when it falls below a predetermined limit value.
  • a certain amount of force is required.
  • the corresponding counterforce is applied by the pulling head.
  • the pulling head no longer has to work against the force necessary to form the closing head, so that a corresponding drop in force can be observed. This drop in force can be used as a signal to signal the rupture of the rivet mandrel.
  • the mandrel breakage detector determines the tensile force via a current consumption of the drive.
  • the current consumption usually depends on the torque generated and thus on the applied tensile force.
  • the monitoring of the current consumption is therefore a relatively simple measure to determine the tensile force can.
  • the pulling head holds a torn rivet pin firmly.
  • the fitter can extract the torn-off rivet mandrel with the aid of the setting device from the shank of the peeling rivet. This is particularly advantageous if the demolition of the mandrel has occurred at a position that is still in the middle of the shaft, which is usually the case. Since the fitter can attack in this case at the setting device and there is a sufficiently large force application area for his hands available, he can do enough Transfer forces to the rivet mandrel to extract it.
  • the torn-off rivet mandrel is held by the pulling head when not actuated actuator.
  • the fitter can therefore easily let go of the actuating device without the risk that the setting device in turn will let go of the torn-off rivet mandrel. This results in a very comfortable processing behavior.
  • the train head moves to the occurrence of another signal in a release position.
  • the release position of the rivet mandrel is released and can be removed, for example by the fitter. It can also be provided that the rivet mandrel can be transported in the release position into a collecting container.
  • the movement in the release position can be triggered by re-actuation of the actuator.
  • the fitter has a relatively comfortable way to get the rivet mandrel of the setting free.
  • the setting process then takes place in such a way that the setting device is connected to the rivet mandrel and that it exerts a pulling force on the rivet mandrel.
  • the connection of the setting device with the rivet mandrel can take place before leading the scraper rivet through the components to be connected or thereafter.
  • the installer simply has to actuate the actuating device, namely until the demolition takes place.
  • the repeated "follow up" the setting device is barely noticeable to the fitter.
  • the demolition process can be determined without difficulty for the fitter.
  • the installer can pull the rivet mandrel with the setting of the peeling rivet. By re-pressing the actuator then the rivet mandrel is released.
  • Fig. 1 schematically shows a Weglniet-setting device 1 with a housing 2 to which a counter-holder 3 is attached.
  • a traction head 4 is arranged, which is movable by a drive 5 in a symbolized by an arrow pulling direction 6.
  • the drive 5 can also move the pulling head 4 counter to the pulling direction 6, So on the counter-holder 3 to.
  • the pulling head 4 has, as is known per se, a plurality of gripping jaws 7, which has a rivet mandrel 8 in the FIGS. 2 and 3 can take 9 Sulniets shown.
  • the setting device further has a control device 10, which can be actuated via an actuating device 11, for example a push button.
  • the control device 10 has, for example, a Dornabrissdetektor 12, which is shown here as a separate component. However, it can also be an integrated component of the control device 10 and be formed for example by a signal evaluation device within the control device.
  • the control device 10 is connected via a line 13 to the drive 5 in connection. Control commands from the control device 10 to the drive 5 as well as information from the drive 5 to the control device 10 can be transmitted via the line 13.
  • the drive 5 may be designed as a pneumatic, hydraulic or electric drive, in the latter case, an accumulator, ie a rechargeable battery, is advantageous for energy supply.
  • the Schlniet 9 has a shaft 14 which is provided at one end with a setting head 15.
  • the rivet mandrel 8 projects out of the setting head 15 with a pulling region 16.
  • the rivet mandrel 8 has a cone 17 which is provided with cutting edges 18 on its side facing the shank 14.
  • the rivet mandrel 8 is guided through the counter-holder 3, so that it comes into engagement with the traction head 4.
  • the traction head 4 has been moved as close as possible to the counter-holder 3 for this purpose.
  • the rivet mandrel 8 is introduced into the pulling head 4 so far that the setting head 15 rests against the counter-holder 3.
  • the blades 18 separate the shaft from the end facing away from the setting head 15 by longitudinal slots.
  • the cone 17 bends the resulting shaft portions 19 radially outwards, so that they, as in Fig. 3 shown, roll up and ultimately form a closing head 20.
  • FIG. 1 schematically illustrated setting device 1 can usually move the pulling head 4 with a stroke that is on the order of about 10 to 25 mm. Such a stroke is sufficient for proper training of in Fig. 3 Locking head 20 shown often not enough.
  • the control device 10 therefore controls the drive in a special way that can cause the setting of the peel rivet 9 without a fitter having to perform additional actions. This is schematically in Fig. 4 shown.
  • Fig. 4 shows a curve 21, which schematically illustrates the movement of the setting head 4.
  • the setting head 4 is in a predetermined front position VP.
  • the control device controls the drive now so that the setting head 4 is moved from the front position VP in a rear position HP, which he reached at a time t1.
  • the stroke between the front position VP and the rear position HP is 20 mm in the present example. This movement is triggered by a fitter operating the actuator 11.
  • the traction head 4 has reached the rear position HP at the time t1, the closing head 20 has not yet been formed, and the rivet mandrel 8 can not tear off accordingly.
  • the fitter therefore holds the setting device 1 with the anvil 3 on the setting head 15 and the actuator 11 in the operating position.
  • the fitter must therefore change neither the position of the setting device 11, nor the position or attitude of his hands.
  • the control device 11 now controls the drive 5, so that the setting head 4 is moved counter to the pulling direction 6 again in the direction of the anvil 3 in the front position VP.
  • This front position VP reaches the setting head 4 at time t2.
  • the movement in the front position VP is carried out at a greater speed, because the traction head 4 does not have to work against a load, but is released from the mandrel 8 in this movement.
  • the traction head 4 Upon further actuation of the actuator 11, the traction head 4 is now moved again from the front position VP in the rear position HP. For this the time between the times t2 and t3 is available. At time t3, the same process is repeated as at time t1.
  • the rivet mandrel 8 is not yet torn off and the closing head 20 is not yet formed, so that the traction head 4 is again moved into the front position VP, which it reaches at time t4.
  • the control device 10 now controls the drive 5 again, so that the pulling head 4 is moved in the pulling direction 6.
  • the closing head 20 is formed and sets a further movement of the rivet mandrel 8 sufficiently large resistance, so that the rivet mandrel 8 breaks off at time t5.
  • This demolition is detected relatively quickly by the demolition detector 12 or by the operator.
  • the point in time t6 is shown here for the detection time, but has a disproportionately large distance at the time t5. In reality, the two times t5 and t6 are much closer together.
  • the operator When the tearing of the rivet mandrel 8 is detected by the operator, the operator releases the actuator 11. The actuator 11 then generates a stop signal when the operator releases it. This stop signal causes the pulling head 4 to stop in the position in which it is when the operating device 11 is released. The traction head 4 is so moved neither in the pulling direction 6 nor in the opposite direction.
  • the pulling head 4 holds the rivet mandrel 8 even after the demolition. Accordingly, the setting device 1 acts as a type of pliers that holds the mandrel 8 and with the rivet mandrel 8 can be pulled out of the shaft 14. As a rule, the demolition takes place within the shaft 14.
  • the fitter actuates again the actuator 11 and lets go again.
  • the pulling head 4 moves in the direction of the anvil 3 in a release position in which the rivet mandrel 8 can be pulled out of the pulling head 4 or can fall out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
EP12007069.3A 2012-10-12 2012-10-12 Appareil de pose de rivets à pétales Withdrawn EP2719482A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12007069.3A EP2719482A1 (fr) 2012-10-12 2012-10-12 Appareil de pose de rivets à pétales

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12007069.3A EP2719482A1 (fr) 2012-10-12 2012-10-12 Appareil de pose de rivets à pétales

Publications (1)

Publication Number Publication Date
EP2719482A1 true EP2719482A1 (fr) 2014-04-16

Family

ID=47018726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12007069.3A Withdrawn EP2719482A1 (fr) 2012-10-12 2012-10-12 Appareil de pose de rivets à pétales

Country Status (1)

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EP (1) EP2719482A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013112363A1 (de) * 2013-11-11 2015-05-13 Hs-Technik Gmbh Verfahren und Nietgerät zum Setzen von Nietelementen
EP2985093A1 (fr) * 2014-08-15 2016-02-17 GESIPA Blindniettechnik GmbH Appareil de pose de rivets aveugles et procédé de pose d'un rivet aveugle
EP2985094A1 (fr) * 2014-08-15 2016-02-17 GESIPA Blindniettechnik GmbH Appareil de pose et procédé de fabrication d'une liaison fixe à l'aide d'un élément de liaison

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713439A (en) * 1953-10-22 1955-07-19 Western Electric Co Adapter for automatic rivet guns
US2965258A (en) * 1957-03-04 1960-12-20 Olympic Screw & Rivet Corp Blind rivet pulling tool
US5136873A (en) * 1991-11-13 1992-08-11 S.A.R.G. Research Assoc, Ltd. Automatic blind rivet setting device
US20080170926A1 (en) * 2007-01-16 2008-07-17 Taylor Harry E Blind rivet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713439A (en) * 1953-10-22 1955-07-19 Western Electric Co Adapter for automatic rivet guns
US2965258A (en) * 1957-03-04 1960-12-20 Olympic Screw & Rivet Corp Blind rivet pulling tool
US5136873A (en) * 1991-11-13 1992-08-11 S.A.R.G. Research Assoc, Ltd. Automatic blind rivet setting device
US20080170926A1 (en) * 2007-01-16 2008-07-17 Taylor Harry E Blind rivet

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013112363A1 (de) * 2013-11-11 2015-05-13 Hs-Technik Gmbh Verfahren und Nietgerät zum Setzen von Nietelementen
DE102013112363B4 (de) * 2013-11-11 2016-01-14 Hs-Technik Gmbh Verfahren und Nietgerät zum Setzen von Nietelementen
EP2985093A1 (fr) * 2014-08-15 2016-02-17 GESIPA Blindniettechnik GmbH Appareil de pose de rivets aveugles et procédé de pose d'un rivet aveugle
EP2985094A1 (fr) * 2014-08-15 2016-02-17 GESIPA Blindniettechnik GmbH Appareil de pose et procédé de fabrication d'une liaison fixe à l'aide d'un élément de liaison
CN105363988A (zh) * 2014-08-15 2016-03-02 格司帕空心铆钉技术有限责任公司 空心铆钉安装器和用于安装空心铆钉的方法
US10118215B2 (en) 2014-08-15 2018-11-06 Gesipa Blindniettechnik Gmbh Blind rivet setting device and method for setting a blind rivet
CN105363988B (zh) * 2014-08-15 2018-11-16 格司帕空心铆钉技术有限责任公司 空心铆钉安装器和用于安装空心铆钉的方法

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