EP3439828A1 - Spannvorrichtung - Google Patents
SpannvorrichtungInfo
- Publication number
- EP3439828A1 EP3439828A1 EP17722999.4A EP17722999A EP3439828A1 EP 3439828 A1 EP3439828 A1 EP 3439828A1 EP 17722999 A EP17722999 A EP 17722999A EP 3439828 A1 EP3439828 A1 EP 3439828A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- centering
- mandrel
- coupling part
- clamping device
- 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- Withdrawn
Links
Classifications
-
- 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
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/061—Arrangements for positively actuating jaws with fluid drive
-
- 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
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/08—Arrangements for positively actuating jaws using cams
- B25B5/087—Arrangements for positively actuating jaws using cams actuated by a hydraulic or pneumatic piston
-
- 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
- B25B5/00—Clamps
- B25B5/16—Details, e.g. jaws, jaw attachments
Definitions
- the invention relates to a clamping device according to the upper 5 handle of claim 1.
- a clamping device of the type mentioned is known from the patent document DE 10 2010 046 190 AI.
- This clamping device which is also referred to as a so-called centering clamping device 10, consists of a base body on which a drive device, typically a pneumatically actuated piston drive, and an actuatable with the drive device Zentrierdornspannhaken observed is arranged. Under a Zentrierdornspannhaken experiences is, and this also applies to the invention still to be explained, a Einricht Trent to understand, which consists inter alia of a centering mandrel and a clamping hook or which comprises a centering pin and a clamping hook.
- a Zentrierdornspannhaken- device having clamping device is used in particular in the automotive industry to clamping of sheets while they are being processed.
- the sheets are provided with a passage opening through which the centering pin is guided.
- the centering mandrel itself, the tensioning of the sheet extendable clamping hook is arranged, with several such 25 clamping hooks can be provided.
- the centering mandrel is stationary and the clamping hook can be actuated by the drive device.
- both the centering pin and the at least one clamping hook are designed to be movable with respect to the base body by means of the drive device (cf. the unpublished DE 10 2015 112 686 AI) at the time of application.
- the invention has for its object to improve a clamping device of the type mentioned.
- a better adaptable to different boundary conditions clamping device should be created.
- This additional centering mandrel clamping hook device consists u. a. in turn from an (additional) centering mandrel and at least one (additional) clamping hooks or comprises an (additional) centering mandrel and at least one (additional) clamping hooks, the centering 20 arbor clamping device and the tantzentrierdornspannha- ken observed oriented on different Zentrierspannetzauf thread preferably are formed differently.
- the solution according to the invention 25 thus characterized by the fact that at least two Zentrierdornspannhaken offereden, namely the Zentrierdornspannhaken offered and the Rajzentrierdorn- tension hook device are arranged on the main body ultimately.
- either one or the other centering-dome tension hook device is operatively connected to the drive device, as will be explained in greater detail below. introduced. It is thus possible, for example, to tension metal sheets with a hole diameter of 16 mm in a first production phase with the centering mandrel clamping hook device.
- FIG. 1 is an external view of an embodiment of the clamping device according to the invention in a first Posi-30 tion with operable Zentrierdornspannhaken- device;
- FIG. 2 shows the clamping device according to FIG. 1 in a second, pivoted position;
- FIG. 3 shows the clamping device according to Figure 1 in a third
- FIG. 4 shows the clamping device according to Figure 1 in an interior view
- Figure 5 shows the clamping device according to Figure 1 in an interior view
- FIG. 6 shows the clamping device according to FIG. 1 in an interior view
- FIG. 7 the clamping device according to Figure 1 in an interior view
- FIG. 8 shows the tensioning device according to FIG. 1 in interior view 15 in a second operating position with ready-to-use centering-core tensioning hook device;
- FIG. 9 shows the pivoting element of the clamping device according to FIG.
- FIG. 10 shows the pivoting element of the tensioning device according to FIG.
- FIG. 11 shows the clamping device according to Figure 4 in an interior view
- FIG. 12 shows the clamping device according to FIG. 4 in an interior view
- FIG. 13 shows the clamping device according to FIG. 4 in interior view 30 in a third working position with the additional tension hook in a lower, extended position.
- the tensioning device shown in the figures consists of a base body 1 (also called head housing) on which a 5 drive means 2 and an actuatable with the drive means 2 Zentrierdornspannhaken vibration 3 is arranged (see Figure 1).
- both the centering-mandrel clamping hook device 3 and the additional centering-mandrel clamping hook device 4 preferably have an actuating extension 3.1, 4.1, which can be brought into operative connection with the drive device 2, as illustrated, for example, in FIG.
- one of the two actuating extensions 3.1, 4.1 preferably has a passage opening 5 for the other actuating extension 4.1, 3.1 (see FIG. 9).
- each setting extension 3.1, 4.1 has a first coupling part 6 at its free end facing away from the center pin, and the drive device 2 has at least one second coupling part 7 for each first coupling part 6 (see FIGS.
- the two recesses arranged on the positioning extensions 3.1, 4.1 each have an inlet region 6.1 for the respective second coupling part 7, these two inlet regions 6.1 being associated with one another for realizing the pivotability (see FIG. 10).
- the second coupling part 7 is preferably designed in the form of a bolt oriented with its main axis perpendicular to the direction of adjustment of the drive device 2.
- the drive device 2 comprises a preferably (air) pressure-actuatable piston drive 14 with a piston rod 14.1 operatively connected to the at least one second coupling part 7.
- direction of adjustment is meant that direction which corresponds to the direction in which the drive device 2 exerts its force. In the 20 embodiments illustrated in the figures, this corresponds to the vertical.
- the recess on the actuating extension 3.1, 4.1 and the bolt on the drive device 2 is formed positively engageable engageable. It can, as already explained above, quite deliberately a 25 certain clearance between the recess and the second coupling part 7 may be provided in order to use differently designed Zentrierdornspannhaken wornen without readjustment of End einsabfrag worn.
- the Zentrierdornspannhakenein- device 3 and the namedzentrierdornspannhaken raised 4 are arranged on a pivot member 8 and this is pivotally mounted on the base body 1, preferably by 90 ° to the base body 1 pivotally mounted (see Figure 2).
- a guide element 9 is also provided on the pivoting element 8 for each actuating extension 3.1, 4.1.
- the guide element 9 has an abutment 9.1 for a component to be clamped (sheet metal with access opening).
- the one actuating extension 3.1 is preferably guided within the one guide element 9 in a first displacement direction and the other actuating extension 4.1 in a second displacement direction within the other guide element 9, wherein the displacement directions are preferably angled at right angles to each other 15 (see FIGS. 4 to 8).
- the actuating extension 3.1, 4.1 it is also preferable for the latter to have an optionally U- or V-shaped cross section in a plane extending perpendicular to its direction of displacement (see FIG. 10).
- the centering mandrel clamping hook device 3 or the additional centering mandrel clamping hook device 4 has a centering mandrel 3.2 or additional centering mandrel 4.2 (see FIG. 9) and a clamping hook 3.3 or additional clamping hook 4.3 (see FIGS. 10 to 13) ).
- the centering mandrel 3.2 and / or the attorneyzentrierdorn 4.2 having a cylindrical outer contour preferably with rounded tapered tip, and that preferably the clamping hook 3.3 or the additional clamping hooks 4.3 depending on the position of the drive 30 device 2 (FIGS.
- one of the recesses on the actuating extension 3.1, 4.1 to compensate for different distances between the clamping hook 3.3 and the additional chuck 4.3 and the abutment 9.1 9.1 in the direction of the drive device 2 has a greater extent than the second coupling part 7 (see in particular Figures 8 and 9).
- an actuating device 10 is preferably provided for tool-free changing of the 20 Zentrierdornspannhaken issued 3 for 1925zentrierdorn- tension hook device 4 or vice versa, preferably the actuator 10 is operatively connected to the pivot member 8 and / or preferably the actuator 10 preferably a 25 (air) pressure-actuable piston drive 10.1 and at least one connected both with the piston drive 10.1 and with the pivot member 8 actuator 10.2 (see Figure 11).
- the pivoting element 8 preferably (see FIGS. 9 and 10) has a first wall 8.1 for receiving the a guide element 9, a second, for the first preferably perpendicularly angled wall 8.2 for receiving the other guide member 9 and two further, parallel to each other and perpendicular to the first and second walls 8.1, 8.2 standing third walls 8.3.
- the centering-mandrel clamping hook device 3 and the additional centering-mandrel clamping hook device 4 are designed so as to be pivotable about a common axis 11 to the main body 1 and preferably the common axis 11 is arranged at the end of the main body 1 facing away from the drive device. 10 is then preferred that the common axis 11 is perpendicular to the two third walls 8.3 standing.
- the pivoting element 8 is preferably arranged on a side of the base body 1 and the drive device 2 is arranged on the other side of the base body 1. It is preferred that the drive device 2, depending on the position of the pivoting element 8, is designed either for actuating the centering mandrel 3.2 or the clamping hook 3.3 or for actuating the additional centering mandrel 4.2 as well as the additional clamping hook 4.3. It is likewise preferred that the centering mandrel 3.2 or additional centering mandrel 4.2 provided for the clamping insert has a direction of movement which corresponds to the direction of movement of the drive device 2. 25
- the tensioning device is preferably provided with a position detection device 13 for the centering device clamping device 3 or for the additional centering device clamping device 4 (see FIG. 2). This serves to detect whether either the centering spike fixture or the additional centering mandrel clamping hook device with the drive device 2 is operatively connected.
- the cover 12 is slidably mounted on the base body 1 and rotatably mounted on the pivot member 8.
- the actuating device 10 is disposed in the interior 15 of the base body 1 and preferably also formed covered by the cover 12.
- a metal sheet is to be clamped with a passage opening whose diameter does not match the diameter of the centering mandrel 3.2 of the centering mandrel clamping device 3, it can be rotated by the actuating device 10 via the pivoting element 8 out of the direction of adjustment when the drive device 2 25 is deactivated.
- the additional centering mandrel clamping device 4 is rotated in the direction of adjustment with the same pivoting movement (see FIGS. 1 to 3).
- the attorneyzentrierdornspannhaken issued 30 4 now has in this example just a beautrier- mandrel 4.2, which the diameter of the passage opening on corresponds to exciting sheet metal.
- the sheet is now so first centered by the toasttrierdorn 4.2, placed on the abutment 9.1 of attorneyzentrierdornspannhaken issued 4 and then locked by the additional clamping hooks 4.3 (see Figures 11 to 13).
- the additional clamping hooks 4.3 can be extended in the case of the activated drive device 2, since the actuating extension 4.1 has been brought into engagement with the first coupling part 6 with the second coupling part 7 of the piston rod 14.1 by the previously performed pivoting movement.
- the clamping device according to the invention thus allows uncomplicated 10 th exchange of Zentrierdornspannhaken respondeden with little expenditure of time, without having to purchase a completely new clamping device or a complex conversion of the device must be performed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016106194.8A DE102016106194A1 (de) | 2016-04-05 | 2016-04-05 | Spannvorrichtung |
PCT/DE2017/100250 WO2017174067A1 (de) | 2016-04-05 | 2017-03-30 | Spannvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3439828A1 true EP3439828A1 (de) | 2019-02-13 |
Family
ID=58701350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17722999.4A Withdrawn EP3439828A1 (de) | 2016-04-05 | 2017-03-30 | Spannvorrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3439828A1 (de) |
DE (1) | DE102016106194A1 (de) |
WO (1) | WO2017174067A1 (de) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH284518A (de) * | 1950-07-19 | 1952-07-31 | Ag Hugo Allemann | Einer Werkzeugmaschine zugehörige Aufspannvorrichtung. |
CH403449A (de) * | 1963-07-30 | 1965-11-30 | Fischer Ag Georg | Aufspanneinrichtung für Werkzeugmaschinen |
GB1461432A (en) * | 1974-06-25 | 1977-01-13 | Siv Deltix Spa | Welding machine |
JPS57211442A (en) * | 1981-06-20 | 1982-12-25 | Chita Kogyo Kk | Automatic clamping and releasing device for works to be processed |
JPS63103779A (ja) * | 1986-10-22 | 1988-05-09 | Toyota Motor Corp | ボデ−組付設備のワ−ク位置決め装置 |
IT1226104B (it) * | 1988-07-07 | 1990-12-10 | Fata Europ Group | Impianto perfezionato dotato di gruppi girevoli di attrezzature perla saldatura di scocche di autoveicoli in una unica stazione di lavorazione. |
DE4340740A1 (de) | 1993-11-30 | 1995-06-01 | Kurt Steppe | Doppelbohrkopf |
DE19650735A1 (de) | 1996-12-06 | 1998-06-10 | Schlafhorst & Co W | Zentriervorrichtung für Hülsen |
US6371468B1 (en) | 1999-12-17 | 2002-04-16 | United Technologies Research Center | Universal workpiece holder |
JP2002011671A (ja) | 2000-06-23 | 2002-01-15 | Nitto Seiko Co Ltd | 工具自動交換装置 |
ITMI20021756A1 (it) * | 2002-08-02 | 2004-02-03 | Luciano Migliori | Dispositivo di aggancio per pezzi da lavorare. |
CA2484158A1 (en) * | 2003-11-17 | 2005-05-17 | Univer S.P.A. | Centering and/or clamping device for work pieces, having an actuation module |
KR100637271B1 (ko) | 2004-02-10 | 2006-10-23 | 고승용 | 척회동절환수단을 구비한 전동공구 |
DE102004007465A1 (de) * | 2004-02-13 | 2005-09-01 | De-Sta-Co Metallerzeugnisse Gmbh | Antriebsvorrichtung |
EP2212043B1 (de) | 2007-10-19 | 2018-03-14 | Whitehot Solutions Pty Ltd | Handwerkzeug mit mehreren spannfuttern |
DE102010046190B4 (de) | 2010-09-23 | 2019-02-21 | Destaco Europe Gmbh | Zentrierspannvorrichtung mit im Gehäuse elastisch gelagertem Hebelelement |
ITTO20130929A1 (it) * | 2013-11-15 | 2015-05-16 | Tecnica Montaggio & Automazione S R L | Sistema di azionamento elettromeccanico, particolarmente per l'azionamento di dispositivi di bloccaggio per il bloccaggio di parti di lamiera di veicoli |
DE102015112686A1 (de) | 2015-08-03 | 2017-02-09 | De-Sta-Co Europe Gmbh | Zentrierspannvorrichtung |
-
2016
- 2016-04-05 DE DE102016106194.8A patent/DE102016106194A1/de not_active Ceased
-
2017
- 2017-03-30 WO PCT/DE2017/100250 patent/WO2017174067A1/de active Application Filing
- 2017-03-30 EP EP17722999.4A patent/EP3439828A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE102016106194A1 (de) | 2017-10-05 |
WO2017174067A1 (de) | 2017-10-12 |
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