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EP0962285B1 - Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile - Google Patents

Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile Download PDF

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Publication number
EP0962285B1
EP0962285B1 EP98124288A EP98124288A EP0962285B1 EP 0962285 B1 EP0962285 B1 EP 0962285B1 EP 98124288 A EP98124288 A EP 98124288A EP 98124288 A EP98124288 A EP 98124288A EP 0962285 B1 EP0962285 B1 EP 0962285B1
Authority
EP
European Patent Office
Prior art keywords
piston
cylinder
brake
clamping
toggle clamp
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.)
Expired - Lifetime
Application number
EP98124288A
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German (de)
English (en)
Other versions
EP0962285A2 (fr
EP0962285A3 (fr
Inventor
Josef-Gerhard Tünkers
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.)
Tuenkers Maschinenbau GmbH
Original Assignee
Tuenkers Maschinenbau 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
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Application filed by Tuenkers Maschinenbau GmbH filed Critical Tuenkers Maschinenbau GmbH
Publication of EP0962285A2 publication Critical patent/EP0962285A2/fr
Publication of EP0962285A3 publication Critical patent/EP0962285A3/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • 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
    • B25B5/061—Arrangements for positively actuating jaws with fluid drive
    • B25B5/064—Arrangements for positively actuating jaws with fluid drive with clamping means pivoting around an axis perpendicular to the pressing direction
    • 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
    • B25B5/12—Arrangements for positively actuating jaws using toggle links
    • B25B5/122—Arrangements for positively actuating jaws using toggle links 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
    • B25B5/16—Details, e.g. jaws, jaw attachments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/223—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which completely seals the main fluid outlet as the piston approaches its end position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches

Definitions

  • the invention relates to a toggle lever device, in particular for use in the bodywork of the automotive industry.
  • connection channel and the throttle device for example, in an end-face cover of the cylinder clamping space, so that no visible to the outside enlargement of the construction dimensions of the toggle lever device occurs, so that optionally built toggle clamping devices by replacing this cover and the existing therein connection channel with throttle devices can also be retrofitted without making any changes to the outside at the site.
  • the damping device In order to enable the cushioning over a larger range from 0 to 135 ° pivoting angle, it is proposed to design the damping device in its axial extent with respect to the piston variable in length and lockable. It is also described in the document that the damping device can be designed to be infinitely variable in length. It is also described that by continuously or otherwise changing the axial length of the throttle body with its support piston, the throttle device can be changed depending on the desired pivot angle of the clamping arm. This can be done according to this document by the fact that the support piston has a projection on the end face facing the piston, which is adjustable in length depending on the desired pivot angle.
  • This length adjustability can be stepless, but also done by material removal, in which, for example, the projection is turned off to achieve the desired damping effect depending on the pivot angle of the clamping arm. Consequently, the total length of the damping body can be changed by allowing the protrusion opposite and engaging in a cover end face of the damping body can be removed by material removal, depending on the desired pivot angle of the clamping arm.
  • the damping body may consist of two or more telescoping parts which are telescopically adjustable. These parts can be connected to each other, for example by screw thread.
  • damping body may be formed integrally with the lid and can also be adjusted or changed in terms of its length according to the respective desired pivot angle.
  • the inside arranged in the cylinder space materially integral projection of the support piston can be designed so that it is formed as a plug or a ring which is infinitely adjustable and adjustable to the desired damping capacity and thus on the pivot angle of the clamping arm, or as a clamping aid Shortening the total length is used. All this is not possible without disassembly of the device.
  • a repeated external testing is not necessary, which requires a correspondingly high expenditure of time.
  • a toggle clamping device for the body construction with a guided in an orthogonal to the longitudinal axis of the piston rod cross-section rectangular clamping head is already known, which is constructed of two housing parts, and with an adjoining in axial extension to the cylinder-side end of the clamping head cylinder , in which an alternately on both sides by pressure medium pressure, in particular to be acted upon by air pressure piston longitudinally displaceable and sealing, with its piston rod axially engages through the cylinder and a cavity of the clamping head, wherein at the free end of the piston rod a toggle joint assembly is fixed, which is attached to a clamping arm coupled with limit switches or positioners in the form of microswitches, inductive switches, pneumatic switches or sensors in a space of the clamping head are integrated, wherein the switches are adjustable relative to each other and are arranged on a cover forming the same holder as a total interchangeable query cartridge in the form of a board in the form of a board in the region of a slot in
  • the profile may be designed in an orthogonal to the longitudinal axis of the piston rod guided cross-section "L" -shaped, wherein the web of the "L” is parallel to the longitudinal axis of the piston rod and the switch has adjustable, while the cross bar closes the slot to the outside.
  • Another construction may be provided with a consisting of two shell-shaped housing parts clamping head which lie flat on one another in a plane and encapsulate the toggle joint assembly, the piston rod, the limit switch, dirt and dustproof to the outside, the two shell-shaped housing parts on the one narrower side of the rectangular cross-section clamping head have the slot for arranging the query cartridge.
  • This toggle-type clamping device is equipped with an end stop for the toggle joint arrangement, primarily in the over-center position of the toggle joint, wherein the end stop is designed as an externally operable, adjustable in its L jossachslegi stop, in particular as a threaded plug.
  • the query cartridge is inserted from the back of the tensioner housing through a narrow, slot-shaped recess in the housing.
  • DE 42 42 601 A1 describes a piston-cylinder arrangement with a guided in a cylinder and displaceable between two Endlagenbegrenzungs instituten by Druckschbeetzschung piston with a piston rod, wherein at least one of the two Endlagebegrenzungs comprise in the axial direction within the cylinder is adjustable. That the at least one Endlagenbegrenzungselement is designed as a damping element and works with a constructed between piston and damping element during the stroke pressure medium pad. That the at least one Endlagenbegrenzungselement is held against rotation within the cylinder and is adjustable by means of a spindle mounted on the cylinder.
  • This spindle is formed at least partially as a threaded spindle and extends through a threaded bore of a Endlagenbegrenzungsijns in a corresponding recess of the piston rod.
  • the spindle is rotatable by means of a hand wheel arranged on the front side of the cylinder.
  • the relevant end position limiting element is arranged for length adjustment by means of an external or internal thread in a corresponding mating thread on the cylinder. Simultaneously with the adjustment of the respective Endlagenbegrenzungsettis switch to control the piston-cylinder assembly with misplaced.
  • the one Endlagenbegrenzungselement is displaceable in the axial direction within the cylinder, a stepless adjustment of the stroke length of the piston rod according to the respective requirements to achieve.
  • the adjustment of the Endlagenbegrenzungs comprises carried by means of a mounted on an outer housing cover of the cylinder and extending through a threaded bore of the Endlagenbegrenzungs institutes in a corresponding recess of the piston rod spindle.
  • the DE 91 05 755.8 U1 relates to a clamping device consisting of a head piece with adjusting mechanism for the clamping lever and a fixed with anchor rods on the head piece actuating cylinder for the adjusting mechanism, wherein adjustable End einsabfrageemia are arranged in the region of the actuating cylinder, which a standing with the piston rod in operative connection End einsgeber is assigned and their cable out to the cylinder end are, wherein the End einsabfrageemia such as microswitches are arranged on bow-shaped supports that sit adjustable and fixable on two adjacent anchor rods.
  • DE 22 22 686 B2 relates to a pressure-actuated toggle lever clamping device, in particular for body parts, consisting of a housing with a cylinder space for the piston, at the free piston rod end guide means for the piston rod and a piston rod pin are arranged, which via a tab with the knee joint of a Maschinen Swissspannenden- Angle lever is connected, which is pivotally mounted on a bearing journal mounted in the housing, wherein the guide means for the piston rod consisting of the ends of the piston rod pin and arranged in the housing, extending in the axial direction of the piston rod guide grooves for guiding these ends.
  • the housing on the side with the free piston rod end has an independent of the cross section of the piston rod shapable and seal-free movement space.
  • a stroke limiting stop or buffer at the bottom of the cylinder chamber and steplessly axially adjustable by an adjusting screw from the outside.
  • a valveless common conduit having in size invariable passages intended. The elimination of valves or other throttling means in the conduits results in substantial savings and simplifications for the manufacture and operation of the apparatus.
  • Each end of the cylinder space requires effort-saving only a common supply and discharge for the print medium.
  • the passage at each end of the cylinder space may be formed as a bore or otherwise, and be unchanging in size.
  • the passage width is provided such that the pressure medium leaving the cylinder chamber dampens the piston in each case in the final phase of its movement.
  • the cylinder chamber also serves as a damping chamber and makes a special throttling chamber dispensable.
  • the toggle clamping device is further characterized in that the housing carries a fastening eye and this is mounted on a pivot pin to allow pivoting of the housing during movement of the piston and the piston rod.
  • the housing there is the possibility to hold the housing immovable in any position and to arrange.
  • the arrangement also makes it possible to provide the housing movable about a pivot point.
  • the pivot point on the side with the cylinder chamber can be located so that the housing is pivotable. This results in the advantage of moving the housing to or from the workpiece during the clamping process.
  • the pivoting range of the angle lever is infinitely variable in its size by the variably adjustable stroke of the piston. It is possible to move the angle lever in a swivel range up to 180 °.
  • the piston rod is always safe to move from its end position and without any special effort, even if the angle lever is pivoted to zero or dead position.
  • the buffer at the bottom is a buffer made of rubber or rubber.
  • a toggle-type clamping device in particular for use in coachbuilding, is previously known, with a clamping head and an axially extending adjoining cylinder, in which an alternately on both sides by pressure medium pressure, preferably by air pressure to be acted upon piston longitudinally displaceable and is guided sealingly, which passes through the cylinder and the clamping head with its piston rod.
  • a toggle joint assembly is attached, which is associated with a clamping arm, the piston dividing the cylinder into a Zylinder Weghubraum and in a Zylinderspannhubraum, wherein the Zylinder Weghubraum and the Zylinderspannhubraum via a respective connecting channel alternately either to the pressure medium source or to vent.
  • the Zylinderspannhubraum is the front end sealed by a lid, the one Damping device is assigned for braking the opening movement of the piston.
  • the invention has the object of providing a toggle lever device, in particular for use in the bodywork of the automotive industry, in such a way that their device and setting on the one hand is particularly relieved, on the other hand, their appearance is largely exempt from disturbing device parts.
  • the cylinder end position, the opening angle of a clamping arm, the Endlagenabfragung and optionally a cushioning set simultaneously and jointly via an actuator If, for example, working conditions change, only the adjustment need be made via the adjusting element, without dismantling the toggle lever clamping device and its cylinder.
  • the adjusting element can be actuated from the outside on the toggle lever clamping device in order to make the desired adjustments, so to speak with a handle. This is a not to be underestimated advantage, since it then comes to no downtime in production lines of the automotive industry, which otherwise high costs for set-up times, etc. are connected.
  • the actuator allows each desired sensitive adjustment under operating conditions.
  • the adjusting element can be arranged at a non-obstructing point, for example at the cylinder bottom, the outer contour of the toggle lever clamping device is not adversely affected, so that its all-round mounting option is maintained from four sides. It then no need to be provided openings on the cylinder, the chuck or the like, for example, to arrange sensors. Rather, it is possible in this embodiment, all electrical lines, Sensors and damping elements in the toggle lever tensioning device, for example, in the cylinder and / or the clamping head, hineinververlagern.
  • toggle lever clamping device arranged in all embodiments. It is particularly advantageous, however, that it is possible by means of a simple tool to sensitively change and lock cylinder end interrogation, opening angle, end position detection and possibly end cushioning simultaneously and in the same direction, ie very quickly and with built-in toggle lever clamping device.
  • the adjusting device is designed as a set screw and locked by a lock nut.
  • the inner hex screw can be countered by an inner hex nut, both the head of the screw and the head of the lock nut are arranged in an enlarged recess of the bore in the cylinder base - claim 2.
  • the inner hex nut half Gear solved whereupon with an Allen key through the inner opening of the inner hexagon nut the Adjusting screw can be rotated to make the new setting. Thereafter, the set screw is locked again on the lock nut.
  • the adjusting screw is pressure-tightly sealed at its threaded longitudinal section by a sealing element in the cylinder bottom - Claim 3.
  • the brake piston is provided with a one-piece bearing lug, which has the thread for the screw - claim 4.
  • the piston and the brake piston together form the damping device for braking the opening movement of the piston.
  • the brake piston is arranged coaxially to the piston in a common cylinder, can be adjusted axially by the actuator of the brake piston, thereby adjusting the cylinder end position, the opening angle of the clamping arm and possibly Endlagenabfragung and end position damping simultaneously and together and lock.
  • the actuator can be mechanically, hydraulically or electro-hydraulically adjustable as in the embodiment according to claim 1.
  • the brake piston is preferably provided centrically to the adjusting screw with a brake chamber, in which the piston sealingly engages with a formed as a damping piston integral extension - claim 6.
  • the throttle device having a channel throttle and / or throttle valve device is arranged in the brake piston, wherein the throttle device connects the Zylinder Weghubraum with a arranged on the back of the brake piston expansion space, which is connected to the discharge channel.
  • Claim 8 describes a further advantageous embodiment of the invention.
  • the adjusting screw passes through the spacer body and is screwed into the thread of the brake piston, so that the brake piston is axially braced against the spacer body and against the cylinder bottom. This results in a reliable, accurate locking.
  • Claim 12 shows a further advantageous embodiment of the invention.
  • the sensors and the like are integrated in the toggle lever clamping device and arranged protected.
  • the position transducer In the embodiment according to claim 19 can be determined by the position transducer exactly the positions and forward, for example, to a PC or a PLC, which can be triggered automatically and / or manually, for example, a sequential control.
  • reference numeral 1 denotes a chuck, on which axially a cylinder 2 connects.
  • the cylinder 2 is closed at the end facing the clamping head 1 by a wall or a cover 3 and at its opposite end face by a, for example, designed as a lid cylinder bottom 4 pressure-tight manner.
  • a piston 5 is longitudinally displaceable and sealingly arranged, which is sealed by a seal 6.
  • the piston 5 is connected to a piston rod 7.
  • the piston rod 7 passes through a bore 8 in the Lid 3 and is sealed by a seal 9 pressure medium tight.
  • the cylinder is in cross section as deviating from the circular cylinder, for example, flat oval, formed.
  • the piston 5 is adapted to this cross-sectional shape, so that it is guided against rotation in the cylinder 2.
  • the term "flat oval” is understood to mean a cross-sectional shape which consists of longer sides running parallel to one another in a cross-section which is orthogonal to the longitudinal axis of the cylinder 2 and which are connected to each other at their narrow sides facing away from each other. For example, oval shapes are also possible.
  • the piston rod 7 passes axially through the clamping head 1 and is connected at its end with a toggle joint assembly 10, which is assigned a unspecified clamping arm.
  • the clamping arm is arranged to pivot in the direction of A or B by a certain pivot angle about a housing-fixed axis 11 in the chuck 1.
  • the swivel angle can be obtuse.
  • the clamping head 1 has a housing, which consists in the illustrated embodiment of two shell-shaped housing parts which are sandwiched and without gaps on each other (not shown) and thus the piston rod 7, the toggle joint assembly 10 and all other between the Enclose housing parts dirt and moisture-tight objects.
  • the housing parts are separated by a rectilinear separation plane, so that the housing parts lie flat on one another by walls and by means of screws (not shown) are detachably connected to each other. If necessary, the walls can also be associated with sealing elements.
  • These housing parts are formed closed on all sides and have only on one side each about an approximately semicircular recess (not shown), which thus complement the bore 8 through which the piston rod 7 protrudes into the space bounded by the housing parts 12 space. In this space 12 and the toggle lever assembly 10 is arranged. The lying within the space 12 end of the piston rod 7 and the toggle lever assembly 10 are thus dirt, dust and splash liquid sealed to the outside.
  • the two shell-shaped housing parts each have a bore (not shown) passing through them orthogonally, through which the shaft 11 passes. Instead, the axis 11 may also be stored in outwardly not penetrating formations of the relevant housing part.
  • the two shell-shaped housing parts guide grooves (not shown).
  • the guide grooves can be identical and correspond to one another in the assembled state of the housing parts, in such a way that the toggle joint arrangement 10 is guided with associated components, for example by rollers, in the longitudinal axis direction with low friction.
  • the housing parts have holes for screws, not shown, by means of which the housing parts are screwed together without sealing.
  • the holes of a housing part may be formed as through holes, while then the associated coaxial thereto arranged holes of the other housing part blind holes are threaded.
  • the housing parts can thereby releasably, but tightly connect with each other.
  • the housing parts may be made of steel or aluminum or of another suitable material, for example of an injection molding material.
  • the adjacent to each other in the parting plane walls can be of high quality, for example, sanded or cast with appropriate surface finish, so that they are full and jointless on each other.
  • the toggle joint assembly 10 may be associated with fork arms (not shown), which are arranged with their ends on cross-sectionally square or polygonal shaped end portions of the axis 11.
  • a retaining tab may be provided which engages against the fork-shaped end of the associated fork arm and engages with form-fitting recesses, the end portions of the pivot pin and with the concerned fork arm is connected by screws (also not shown).
  • Anschraubteil which is arranged centrally or eccentrically with respect to the fork arm.
  • the housing of the clamping head 1 is formed rectangular in a cross-section orthogonal to the longitudinal axis of the piston rod 7 (not shown).
  • the housing in principle on four sides, namely on the respective opposite sides of the rectangle optionally on device parts, for example, in the bodywork of the automotive industry, grown, for example, screwed.
  • the piston 5 opposite coaxially opposite a brake piston 13 is arranged, which is adjustable and lockable in all embodiments by an actuator 14 in the longitudinal axis direction.
  • This actuator 14 is formed in the illustrated embodiments as a threaded bolt, which is provided at its the cylinder bottom 4 facing end portion with a head 15 with internal polygon, for example, internal hexagon 16.
  • the head 15 of the actuating element 14 is to be locked by a lock nut 17, which in the illustrated embodiments also with an internal polygon, preferably also provided with an internal hexagon.
  • the internal polygon of the lock nut 17 is formed as a through hole, so that via a corresponding tool centrally by the lock nut 17 in the inner polygon 16 of the head 15 of the actuating element 14 can be grasped, to turn after loosening the lock nut 17, the actuator 14 in one or the other direction, thereby to adjust the brake piston 13 in the axial direction, ie in the direction X or Y.
  • this is first achieved by intervention by means of a suitable tool in the internal polygon of the lock nut 17 this by half a gear.
  • the head 15 of the adjusting element 14 and the lock nut 17 are arranged in a corresponding recess 18 of the cylinder base 4, which is arranged coaxially with the adjusting element 14 and thus also to the brake piston 13 and in turn coaxially to the piston 5 and the piston rod 7.
  • the locknuts 17 lie completely within the threaded recess 18.
  • the non-threaded bolt part 21 of the actuating element 14 is sealed by a seal 22 fluid-tight.
  • the seal 22 is located in an annular groove of the cylinder bottom. 4
  • the brake piston 13 is at least in the embodiment of FIG. 1 by a seal arranged in a groove 26 pressure-sealed against the cylinder inner wall 27 sealed.
  • FIG. 1 In the embodiment of FIG. 1 is connected to the piston 5 in the direction of the brake piston 13 outstanding material integral with the piston 5 ausgestalteter damping piston 25 which is provided in its interior with a blind bore 28 chamber formed in the at the axial stroke of the piston 5, the actuator 14 is able to immerse with a certain length section.
  • the brake piston 13 has a channel provided with a throttle device 29, which connects a cylinder clamping stroke chamber 30 to a pressure relief chamber 31 arranged on the rear side of the brake piston 13.
  • This relaxation space 31 is connected via a channel 32 to the outside or to another relaxation space into which the pressure medium, preferably compressed air, can escape.
  • a brake chamber is referred to, in which the damping piston 25 from a certain stroke of increasingly sealing occurs.
  • the damping piston 25 has an annular groove with a seal 36 which sealingly abuts against the wall 37 of the brake chamber 35 during the movement of the damping piston 25 and thereby the brake chamber 35 and a connected thereto channel 38, the Brake chamber 35 and the relaxation space 31 connects, shuts off. From now on, the pressure medium can only be displaced by the piston 5 via the throttle device 29 into the expansion space 31, so that there is a certain delay and deceleration of the stroke movement of the piston 5.
  • the brake chamber 35 is missing. Also, a damping piston 25 is not present. Rather, the piston rod 7 is provided with a central bore 39 into which the actuator 14 is able to enter coaxially. 40 denotes an approach.
  • a contact 43 for example made of steel or the like, is provided in the piston 5, which cooperates with at least one sensor 44 which is arranged on the opposite side in the brake piston 13.
  • a further contact 45 in the form of a steel body or the like is provided, which cooperates with a sensor 46.
  • the sensor 46 is disposed in a bore in the lid or wall 3.
  • a distributor block 47 is arranged in the cylinder bottom 4, which distributes the electrical or electronic contacts, Contains building blocks and the like.
  • This distributor block 47 is associated with a plug 48 which is connected to the corresponding electrical lines for remote interrogation of the piston 5 and thus also the position of the clamping arm and the like.
  • the distributor block 47 is also connected via electrical lines 49 and 50 on the one hand to the sensor 44 and on the other hand to the sensor 46.
  • the line 50 extends in a recess 51 of the cylinder wall and in a corresponding channel 52 of the wall or the cover 3. This allows the positions of the piston 5 and also the position of the clamping arm query.
  • axial adjustment of the adjusting element 14 and thus of the brake piston 13 it is possible with a handle, so to speak, to effect a continuous adjustment of Zylinderendabfrage, the opening angle, the end position damping and Endlagenabfragung. This can be done very sensitively, which is influenced by appropriate choice of the thread of the actuating element 14.
  • an electrical line is designated.
  • the brake piston 13 is associated with a sensor 64 which cooperates with a contact 65, which may also be an existing steel or the like body, in which Aluminum existing piston 5 is arranged.
  • the piston 5 may be made of aluminum or a corresponding alloy.
  • a further sensor 66 is arranged in a recess of the wall or of the lid 3.
  • the cylinder 2 in turn has a recess in the form of a channel 67, in which electrical lines 68 and 69 are arranged, which lead to a distributor block 70 with plug 71.
  • the line 68 is connected to the sensor 66, while the line 69 is electrically connected to the sensor 64.
  • the Zylinderendabfrage, the opening angle and Endlagenabfrage can be changed simultaneously and in the same direction and lock simultaneously.
  • the manifold block 70 is provided with the corresponding electronic or electrical elements. Distribution block 70 with plug 71 do not interfere with the rear attachment of the toggle lever device to device parts, as there are sufficiently large areas for the arrangement of screw holes or the like.
  • Reference numeral 72 denotes an adapter plate which is connected to a plug 73 for electrical connection, for example to a display device, a personal computer or the like (not shown).
  • the adapter plate 72 also has an electronics 74.
  • plug parts 75 and 76 are provided in both end regions of the adapter plate 72, which cooperate with coupling plugs 77 and 78 in the wall 3 and in the cylinder bottom 4, respectively. Plug parts 75 and 76 and coupling plugs 77 and 78 allow a sealed to the extent necessary connection of these parts.
  • the adapter plate 72 extends in the longitudinal axis of the cylinder 2 and can be adapted in the contour of the outer shape of the cylinder, so that there are no protruding parts.
  • the adapter plate 72 is replaceable, so that can be easily and quickly replace adapter plates 72 with appropriate configuration in case of disturbances or other operating conditions.
  • This embodiment differs from the embodiment of FIG. 3 in that an adapter plate 81 is provided with a pneumatic line 82 extending in the longitudinal axis thereof which, sealed by a seal 83, cooperates with a channel 84 in the wall 3 behind the piston 3 in the Zylinder Weghubraum 34 opens.
  • the pneumatic line 82 discharges sealed into a pneumatic directional valve 85, which is connected to the adapter plate 81 in one piece, but interchangeable.
  • the directional control valve 85 has a further pneumatic line 86 which on the one hand sealed with the directional control valve 85, on the other hand sealed via a plug member 87 with a channel 88 cooperates, which opens into the Zylinderspannhubraum 30 behind the stopper piston 13.
  • a displacement sensor 90 is associated with the cylinder 2, which consists essentially of a rod-shaped element which is sealed in the cylinder bottom 4 via a seal 91 and on the one hand the stopper piston 13 and on the other hand engages the piston 5.
  • 92 is designated a position encoder
  • 93 represents a seal which seals the transducer 90 relative to the piston 5. The piston 5 slides on the transducer 90 during its stroke in its axial direction.
  • a receiver is arranged in the cylinder bottom 4, which is connected via an electrical line, not shown, with a PLC, a PC, a signal converter or an evaluation device.
  • displacement transducer 90 in a sequence control, which runs automatically, so that upon reaching a certain position of the piston 5 corresponding control operations are triggered automatically or manually.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Shovels (AREA)
  • Jib Cranes (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Operation Control Of Excavators (AREA)

Claims (19)

  1. Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile, composé d'une tête de serrage (1) et d'un vérin (2) raccordé à celle-ci dans son prolongement longitudinal, dans lequel un piston (5) pouvant être mis sous pression pneumatique des deux côtés en alternance coulisse guidé sans torsion dans le sens longitudinal tout en étanchéifiant, lequel piston traverse par sa tige (7) le vérin (2) et la tête de serrage (1), sachant qu'à l'extrémité libre de la tige (7) du piston à l'intérieur du carter de la tête de serrage (1) est disposée une configuration (10) avec articulation à genouillère, configuration à laquelle est affecté un bras de serrage, sachant que le piston (5) subdivise le vérin (2) en une chambre à course de recul (34) et une chambre à course de serrage (30), et sachant que la chambre à course de recul (34) est obturée, sur son extrémité frontale, par un couvercle, une paroi (3) de carter ou assimilée, avec un piston de freinage ou piston de butée (13) qui est affecté au piston (5) et qui est agencé dans le même vérin (2) que le piston (5), coaxialement à ce dernier, et avec un dispositif modificateur de réglage pour le piston de freinage ou piston de butée (13), dispositif avec lequel ce piston se laisse régler en continu axialement dans les deux sens pour modifier et/ou régler puis verrouiller l'angle d'ouverture du bras de serrage, caractérisé en ce que le dispositif de serrage présente des dispositifs servant à détecter la position finale du piston (5), ces dispositifs consistant en des capteurs sans contact physique, par exemple sous la forme de capteurs inductifs (44, 46, 64, 66) ou assimilés, et en ce que le dispositif modificateur de réglage (14) se présente sous la forme d'une vis de réglage dotée d'un filetage et agencée coaxialement au piston de freinage et/ou de butée (13), laquelle vis est agencée dans un alésage ménagé dans le fond (4) du vérin et bloquée en position par un contre-écrou (17), de telle sorte que le piston de freinage ou de butée (13) soit réglable et blocable en continu axialement dans les deux sens, de l'extérieur, au niveau du fond (4) du vérin, sans devoir démonter le dispositif de serrage à genouillère, pour permettre une modification et/ou un réglage simultanée(s) et/ou conjointe(s) de l'angle d'ouverture d'un bras de serrage d'une part, de la détection de position finale d'autre part.
  2. Dispositif de serrage à genouillère selon la revendication 1, caractérisé en ce que la vis de réglage (14) est une vis à six pans creux qu'il faut bloquer au moyen du contre-écrou à six pans creux (17), et en ce que tant la tête de la vis de réglage (14) que la tête du contre-écrou (17) sont agencés dans un évidement (18) agrandi de l'alésage ménagé dans le fond (4) du vérin.
  3. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que la vis de réglage (14) est étanchéifiée, au niveau de son segment longitudinal non doté d'un filetage, contre les fluides sous pression au moyen d'un joint dans le fond (4) du vérin.
  4. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que le piston (13) est doté d'une pièce rapportée monobloc (40) présentant le taraudage qui sert à retenir la vis de réglage (14).
  5. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que le piston (5) et le piston de freinage (13) forment ensemble un dispositif amortisseur (25, 35) servant à freiner le mouvement d'ouverture du piston (5), sachant que la chambre à course de recul (34) du vérin et la chambre à course de serrage (30) du vérin doivent être raccordées chacune en alternance à la source de fluide sous pression, par le biais d'un conduit de raccordement (32, 33) chacune, ou délestées, sachant que le conduit de raccordement (32) délestant la chambre à course de serrage (30) du vérin ou à relier à la source de fluide sous pression se laisse obturer par rapport à la chambre à course de serrage (30) du vérin à partir d'une certaine course d'ouverture du piston (5), ce à la suite de quoi la chambre à course de serrage (30) du vérin se trouve délestée en pression uniquement par le biais d'un dispositif d'étranglement (29) affecté au piston de freinage (13).
  6. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que le piston de freinage (13) présente une chambre de freinage (35) agencée de préférence centrée par rapport à la vis de réglage (14), chambre dans laquelle le piston (5) engrène, tout en étanchéifiant, au moyen d'une douille de freinage monobloc configurée en piston amortisseur (25).
  7. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que le dispositif d'étranglement (29), présentant un conduit avec alésage d'étranglement et/ou une vanne d'étranglement, est agencé dans le piston de freinage (13), sachant que le dispositif d'étranglement (29) relie la chambre à course de serrage (30) du vérin avec une chambre de détente (31) agencée au dos du piston de freinage (13), laquelle chambre de détente est raccordée au conduit de délestage (32).
  8. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que le piston de freinage (13) guidé sans risque de torsion dans le vérin (2) se compose, lorsque vu en coupe rectiligne traversant son axe longitudinal, d'une pièce piston avec une gorge agencée sur sa périphérie pour recevoir un joint (26) et d'une pièce en matériau monobloc s'y raccordant, laquelle pièce forme la pièce rapportée (40) taraudée recevant la vis de réglage (14).
  9. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que les dispositifs de détection de position finale sont agencés intégrés dans le piston (5) et/ou dans la paroi du cylindre (3) et/ou dans la tête de serrage (1).
  10. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce qu'un seul bloc distributeur (47, 70) avec connecteur de branchement (48, 71) est agencé à l'extérieur contre le dispositif de serrage à genouillère - contre le fond de vérin (4) ou contre une paroi latérale ou contre la tête de serrage (1) - en conservant la possibilité de monter le dispositif de serrage à genouillère rapporté par les quatre côtés contre un dispositif, par exemple contre un bloc de palier, une fixation ou assimilée.
  11. Dispositif de serrage selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que dans le piston de freinage (13) est agencé un capteur (44) relié à un bloc distributeur électrique (47) par le biais d'une ligne électrique (49), bloc auquel est affecté un connecteur (48) ou assimilé, et en ce que le bloc distributeur (47) est relié à un capteur supplémentaire (46) agencé dans la tête de serrage (1), de préférence dans le couvercle (3) terminal ou dans une paroi de la tête de serrage (1), tandis que dans le piston (5) des contacts (43, 45) se trouvent sur les côtés diamétralement opposés, qui interagissent d'une part avec le capteur (44, 46) situé dans la tête de serrage (1), d'autre part avec le capteur (44,46) situé dans le piston de freinage (13).
  12. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que le bloc distributeur (47) est relié aux capteurs (44, 46) par le biais de lignes électriques agencées en partie dans la chambre de détente (31), en partie dans la paroi du vérin (2) et du couvercle (3) ou dans la paroi de la tête de serrage (1).
  13. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que le piston (5), sur son côté regardant le piston de frein (13), présente un capteur qui interagit avec un contact approprié, par exemple un corps en acier présent dans le piston de freinage (13), et en ce qu'un contact en acier ou assimilé est agencé dans le piston (5) sur le côté tourné vers la tête de serrage (1), contact qui interagit avec le deuxième capteur agencé dans le couvercle (3) de la tête de serrage, et en ce que les capteurs sont reliés par des lignes électriques avec un bloc distributeur au dos ou assimilé du dispositif de serrage à genouillère, dans la zone de la tête de serrage (1), bloc auquel est affecté un connecteur.
  14. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que les lignes électriques du capteur agencé dans le piston (5) traversent un alésage ménagé dans la tige de piston (7).
  15. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce qu'une partie des lignes électriques affectées aux capteurs est agencée dans la chambre de la tête de serrage (1) traversée par la tige (7) de piston.
  16. Dispositif de serrage à genouillère selon la revendication 1 ou l'une des revendications suivantes, caractérisé en ce qu'au vérin (2) est affecté une plaque adaptatrice au tracé latéral dans le sens longitudinal de ce vérin, laquelle plaque est agencée de façon interchangeable contre le vérin (2) et présente des connecteurs permettant d'établir la liaison avec des lignes électriques et électroniques conduisant aux capteurs, et présente le cas échéant un raccord électrique et, suivant besoin, des composants électroniques.
  17. Dispositif de serrage à genouillère selon la revendication 16, caractérisé en ce que d'une part dans les couvercles terminaux et/ou dans la paroi (3), et d'autre part dans le fond du cylindre (4) sont prévues des pièces de connecteur pouvant s'emboîter avec les connecteurs (75, 76, 77, 78) de la plaque adaptatrice (81).
  18. Dispositif de serrage à genouillère selon la revendication 17, caractérisé en ce que sont intégrés, dans la plaque adaptatrice (81), une vanne pneumatique multivoies ainsi que des raccords pneumatiques, sachant que dans la plaque adaptatrice (81) circule une conduite pneumatique s'étendant dans le sens de l'axe longitudinal du vérin (2) et s'emboîte dans la pièce de connecteur présente dans la paroi (3) du vérin (2) avec laquelle est reliée une conduite pneumatique qui débouche dans la chambre à course de recul (34) du vérin, tandis que l'autre conduite pneumatique débouche via un conduit dans la chambre à course de serrage (30) du vérin.
  19. Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile, composé d'une tête de serrage (1) et d'un vérin (2) raccordé à celle-ci dans son prolongement longitudinal, dans lequel un piston (5) pouvant être mis sous pression pneumatique des deux côtés en alternance coulisse guidé sans torsion dans le sens longitudinal tout en étanchéifiant, lequel piston traverse par sa tige (7) le vérin (2) et la tête de serrage (1), sachant qu'à l'extrémité libre de la tige (7) du piston à l'intérieur du carter de la tête de serrage (1) est disposée une configuration (10) avec articulation à genouillère, configuration à laquelle est affectée un bras de serrage, sachant que le piston (5) subdivise le vérin (2) en une chambre à course de recul (34) et une chambre à course de serrage (30), et sachant que la chambre à course de recul (34) est obturée, sur son extrémité frontale, par un couvercle, une paroi (3) de carter ou assimilée, avec un piston de freinage ou piston de butée (13) qui est affecté au piston (5) et qui est agencé dans le même vérin (2) que le piston (5), coaxialement à ce dernier, et avec un dispositif modificateur de réglage pour le piston de freinage ou piston de butée (13), dispositif avec lequel ce piston se laisse régler en continue axialement dans les deux sens pour modifier et/ou régler puis verrouiller l'angle d'ouverture du bras de serrage, caractérisé en ce que le dispositif de modification du réglage (14) est configuré en vis de réglage dotée d'un filetage et agencée coaxialement au piston de freinage et/ou de butée (13), laquelle vis est agencée dans un alésage ménagé dans le fond (4) du vérin et bloquée par un contre-écrou (17), de telle sorte que le piston de freinage ou de butée (13) soit réglable et blocable axialement en continu dans les deux sens, de l'extérieur, au niveau du fond (4) du vérin, sans devoir démonter le dispositif de serrage à genouillère, pour permettre une modification et/ou un réglage simultanée(s) et/ou conjointe(s) de l'angle d'ouverture d'un bras de serrage d'une part, de la détection de position finale d'autre part, sachant qu'au vérin (2) est affecté un capteur de course (90) qui interagit avec un transmetteur de position (92) et en ce que les données peuvent être retransmises par exemple à un PC ou à une commande API par le biais d'un récepteur (94) agencé dans le fond (4) du vérin ou assimilé.
EP98124288A 1998-06-02 1998-12-21 Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile Expired - Lifetime EP0962285B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19824579 1998-06-02
DE19824579A DE19824579C1 (de) 1998-06-02 1998-06-02 Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie

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EP0962285A2 EP0962285A2 (fr) 1999-12-08
EP0962285A3 EP0962285A3 (fr) 2001-02-07
EP0962285B1 true EP0962285B1 (fr) 2006-07-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2602061A2 (fr) 2011-12-07 2013-06-12 Sigurd A. Riedmayer Dispositif dýactionnement

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19808553A1 (de) * 1998-02-28 1999-09-09 Thyssen Industrie Vorrichtung zum Einspannen von insbesondere Karosserieblechen im Automobilbau
FR2789457B1 (fr) * 1999-02-09 2001-03-30 Dosatron Internat Sa Biellette pour dispositif a genouillere , et dispositif a genouillere comportant une telle biellette
DE29902777U1 (de) 1999-02-17 1999-06-17 Festo AG & Co, 73734 Esslingen Kniehebel-Spannvorrichtung
DE29903281U1 (de) 1999-02-24 1999-07-01 Festo AG & Co, 73734 Esslingen Kniehebel-Spannvorrichtung
JP3683447B2 (ja) * 1999-10-15 2005-08-17 Ｓｍｃ株式会社 クランプ装置
US6629689B2 (en) * 2001-04-12 2003-10-07 De-Sta-Co Metallerzeugnisse Gmbh Toggle clamp construction
US6612557B2 (en) * 2001-04-30 2003-09-02 Btm Corporation Adjustable stroke clamp
US6585246B2 (en) * 2001-06-22 2003-07-01 Delaware Capital Formation, Inc. Electric clamp
US6644638B1 (en) * 2001-06-22 2003-11-11 Delaware Capital Formation, Inc. Electric clamp
DE10136057C1 (de) * 2001-07-25 2002-10-02 Tuenkers Maschinenbau Gmbh Kniehebelspannvorrichtung
ITMI20012137A1 (it) * 2001-10-16 2003-04-16 Luciano Migliori Cilindro pneumatico a corsa variabile
JP3851137B2 (ja) * 2001-10-26 2006-11-29 Ｓｍｃ株式会社 加圧シリンダの高速駆動方法及びその装置
DE20203790U1 (de) * 2002-03-08 2002-07-18 Tünkers Maschinenbau GmbH, 40880 Ratingen Kniehebelspannvorrichtung
US6786478B2 (en) * 2002-07-10 2004-09-07 Welker Bearing Company Locating assembly having an extendable clamping finger
US6902160B1 (en) * 2003-01-22 2005-06-07 Zaytran, Inc. Locating pin with integrated clamp
DE10302480B4 (de) * 2003-01-23 2016-11-24 Günther Zimmer Greifvorrichtung mit einfachwirkendem Zylinder
US7114408B2 (en) * 2003-01-30 2006-10-03 Delaware Capital Formation, Inc. Drop away leaf pivot unit
US6931980B1 (en) * 2003-03-21 2005-08-23 Zaytran, Inc. Pneumatic device with cushioning mechanism
US7156385B2 (en) * 2003-06-03 2007-01-02 Norgren Automotive, Inc. Linearly adjustable apparatus for locating a workpiece
AT500672B8 (de) * 2003-06-12 2007-02-15 Linz Ct Of Mechatronics Gmbh Hydraulischer antrieb zum verlagern eines stellgliedes
US7815176B2 (en) 2003-09-11 2010-10-19 Phd, Inc. Lock mechanism for pin clamp assembly
DE102004007346B3 (de) * 2003-11-04 2005-04-21 Tünkers Maschinenbau Gmbh Kniehebelspannvorrichtung - auch Spannwerkzeug wie Punktschweißvorrichtung mit Kniehebelgelenkanordnung, oder Clinchwerkzeug mit Kniehebelgelenkanordnung oder dergleichen -, zur Verwendung im Karosseriebau der Kfz-Industrie
DE102004012083A1 (de) * 2004-03-12 2005-09-29 Bosch Rexroth Teknik Ab Druckmittelzylinder
US7516948B2 (en) * 2004-04-02 2009-04-14 Phd, Inc. Pin clamp accessories
US7182326B2 (en) * 2004-04-02 2007-02-27 Phd, Inc. Pin clamp
DE102004046107A1 (de) 2004-09-23 2006-04-06 Sick Ag Sensor
US7448607B2 (en) * 2004-12-15 2008-11-11 Phd, Inc. Pin clamp assembly
US20070267795A1 (en) * 2006-02-06 2007-11-22 Parag Patwardhan Pin clamp transfer assembly and method of transferring a workpiece
DE102006041707B4 (de) 2006-05-10 2009-01-02 Tünkers Maschinenbau Gmbh Kolben-Zylinder-Einheit (Arbeitszylinder) zum Spannen, und/oder Pressen, und/oder Fügen, und/oder Stanzen, und/oder Prägen, und/oder Lochen und/oder Schweißen, zum Beispiel unter Zwischenschaltung einer Kniehebelgelenkanordnung
JP4789006B2 (ja) * 2006-07-31 2011-10-05 Ｓｍｃ株式会社 クランプ装置
ITMI20070176A1 (it) * 2007-02-02 2008-08-03 Univer Spa Dispositivo di frenatura per apparecchiature di comando a ginocchiera
EP1967318A1 (fr) * 2007-03-06 2008-09-10 COMAU S.p.A. Dispositif de localisation et de verrouillage d'éléments d'une plaque métallique pressée avec un corps auxiliaire ayant des passages pour fixer de la tuyauterie
US20080237957A1 (en) * 2007-03-27 2008-10-02 Conrad Earl Waldorf Adjustable stroke gripper
EP2164677B1 (fr) 2007-06-19 2019-01-16 PHD, Inc. Ensemble pince broche
EP2303505B1 (fr) * 2008-06-18 2019-02-27 PHD, Inc. Pince à broche à enlèvement
DE202009002141U1 (de) 2009-02-14 2009-04-23 Tünkers Maschinenbau Gmbh Vorrichtung mit einem über ein Stellglied und einer Kniehebelgelenkanordnung durch einen Antrieb in entgegengesetzten Richtungen antreibbaren Hebel, dem eine oder mehrere Massen zugeordnet ist bzw. sind, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie
WO2010127690A1 (fr) 2009-12-18 2010-11-11 Tünkers Maschinenbau Gmbh Dispositif à entraînement par air comprimé, équipé d'une fonction double piston et destiné à être utilisé dans le domaine de la carrosserie pour l'industrie automobile
WO2012045320A1 (fr) 2010-10-06 2012-04-12 Tünkers Maschinenbau Gmbh Unité piston-cylindre (cylindre de travail) économe en énergie, en particulier pour une utilisation dans la construction de carrosserie de l'industrie automobile
DE102011100184B3 (de) * 2011-05-02 2012-08-30 Hohenstein Vorrichtungsbau Und Spannsysteme Gmbh Spannvorrichtung mit Ge- und Entspanntzustandskontrollen
DE102011110129A1 (de) * 2011-08-15 2013-02-21 De-Sta-Co Europe Gmbh Betätigungsvorrichtung
DE102012103921A1 (de) * 2012-05-04 2013-11-07 De-Sta-Co Europe Gmbh Spannvorrichtung
DE102013107661A1 (de) * 2013-07-18 2015-01-22 Behringer Gmbh Werkstück-Spannvorrichtung, Werkzeugmaschine und Verfahren zum Einspannen eines Werkstücks
DE202014102804U1 (de) 2014-05-22 2014-07-29 Pepperl + Fuchs Gmbh Geber für Kraftspanner
DE102014109897A1 (de) 2014-07-15 2016-01-21 De-Sta-Co Europe Gmbh Spannvorrichtung
US20160368663A1 (en) * 2015-06-20 2016-12-22 Hector Hizon Liquid storage container with adjustable internal volume
CN110539189B (zh) * 2018-05-29 2022-01-28 中山市岐晔工业材料有限公司 铸钢件精加工固定装置及其方法
CN110173183B (zh) * 2019-03-04 2021-01-15 江苏大学 一种空气阻尼器以及应用该阻尼器的汽车车门
CN110562735A (zh) * 2019-08-23 2019-12-13 武汉华星光电技术有限公司 夹持装置及夹持方法
IT202000006721A1 (it) * 2020-03-31 2021-10-01 Hydroblock S R L Apparecchio per il bloccaggio di pezzi su macchine utensili
CN113669400B (zh) * 2020-05-03 2024-06-25 无锡斯麦特自动化科技有限公司 一种平稳性可调缓冲拉杆式气缸
CN112453936A (zh) * 2020-11-18 2021-03-09 衡阳市群立新科机械有限公司 一种轿车制动鼓加工用夹持装置及其使用方法
CN112916699B (zh) * 2021-01-21 2023-09-29 河南金卓轴承有限公司 一种轴承加工的压力机
CN115488668A (zh) * 2022-09-27 2022-12-20 马鞍山众翌科技有限公司 一种空气弹簧cnc加工治具及其加工方法
CN118321607B (zh) * 2024-06-17 2024-08-23 江苏久保联实业有限公司 一种换热管的打孔装置

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436941A (en) 1945-03-28 1948-03-02 Jack J Sendoykas Toggle clamp
US2985140A (en) 1958-06-20 1961-05-23 Sophie A Fagge Hydraulic spot welding gun motor
US2983256A (en) 1958-07-15 1961-05-09 Taylor Winfield Corp Multiple piston elliptical fluid cylinder
US2980387A (en) 1958-12-16 1961-04-18 Lloyd J Devlin Safety valve
US3180236A (en) 1962-12-20 1965-04-27 Beckett Harcum Co Fluid motor construction
US3371953A (en) 1967-03-16 1968-03-05 Leland F. Blatt Gripper
US3482831A (en) 1967-09-11 1969-12-09 Leland F Blatt Toggle action jaw type gripper
US3480271A (en) 1967-10-18 1969-11-25 Gen Motors Corp Toggle clamp
US3545050A (en) 1969-01-30 1970-12-08 I S I Mfg Inc Power clamp with pull-back action
US3815480A (en) 1969-11-17 1974-06-11 R Spyra Variable stroke cylinder
SE331827B (fr) * 1970-02-13 1971-01-11 Mecman Ab
DE2222686B2 (de) * 1972-05-09 1980-06-12 Tuenkers Maschinenbau Gmbh, 4030 Ratingen Druckmittelbetatigte Kniehebelspannvorrichtung, insbesondere für Karosserieteile
US3961559A (en) 1974-11-18 1976-06-08 Hiroshi Teramachi Actuator
US3994539A (en) 1975-07-22 1976-11-30 Robomation Corporation Self-contained activated slide apparatus and methods of constructing and utilizing same
US4021027A (en) 1976-05-17 1977-05-03 Blatt Leland F Power wedge clamp with guided arm
DE2813694C2 (de) * 1978-03-30 1981-09-17 Tünkers Maschinenbau GmbH, 4030 Ratingen Druckmittelbetätigbare Kniehebelspannvorrichtung mit einem dopptelt wirkenden Spannzylinder, in dem ein Differentialkolben längsverschiebbar geführt ist
FR2444828A1 (fr) * 1978-12-18 1980-07-18 Heurtey Metallurgie Perfectionnements apportes aux verins
US4424737A (en) 1980-03-26 1984-01-10 Kabushiki Kaisha Komatsu Seisakusho Stroke cushioning apparatus for hydraulic cylinders
DE3022376C2 (de) 1980-06-14 1985-08-01 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Kniehebelspannvorrichtung zum Festspannen von Werkstücken
EP0062715B1 (fr) 1981-04-10 1985-11-21 Goldsmith Patent Holdings (Sevenoaks) Limited Robinet mélangeur
JPS58142072A (ja) * 1982-02-15 1983-08-23 Hitachi Ltd エアシリンダ
DE3221574A1 (de) * 1982-06-08 1983-12-08 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen Zylinder mit integrierter elektrischer signalgabe
JPS6051305U (ja) 1983-09-17 1985-04-11 エスエムシ−株式会社 クツシヨン機構を有する空気圧シリンダ
GB2188984B (en) * 1986-04-08 1989-12-20 Martonair Ltd Fluid-operable cylinder
US5171001A (en) 1987-05-27 1992-12-15 Btm Corporation Sealed power clamp
US4905973B1 (en) 1989-01-11 1994-07-05 John A Blatt Power operated clamp with externally mounted adjustable clamp arm
US5201838A (en) 1989-09-05 1993-04-13 Philippe Roudaut Position indicator for a piston controlled robot part
US5072652A (en) 1990-11-16 1991-12-17 Blatt John A Gripping device having impact cushioning means
DE9016781U1 (de) 1990-12-12 1992-04-09 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Spannvorrichtung
DE9104532U1 (de) * 1991-04-13 1991-06-06 Tünkers, Josef-Gerhard, 4030 Ratingen Kniehebelspannvorrichtung für den Karosseriebau
DE9105755U1 (de) * 1991-05-08 1991-06-27 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Spannvorrichtung
DE9215151U1 (de) 1992-05-14 1993-01-21 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Spannvorrichtung
DE4242601A1 (de) * 1992-12-17 1994-06-30 Eisenbach B Rotox Gmbh Kolben-Zylinder-Anordnung
GB2291475A (en) * 1994-07-20 1996-01-24 Edward Fullerton Pneumatic Hydraulic Cylinders
DE29519232U1 (de) * 1995-12-05 1996-04-04 Tünkers Maschinenbau GmbH, 40880 Ratingen Kniehebelspannvorrichtung
DE19616441C1 (de) * 1996-04-25 1997-06-26 Tuenkers Maschinenbau Gmbh Kniehebelspannvorrichtung für den Karosseriebau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2602061A2 (fr) 2011-12-07 2013-06-12 Sigurd A. Riedmayer Dispositif dýactionnement
EP2602060A1 (fr) 2011-12-07 2013-06-12 Sigurd A. Riedmayer Dispositif d'actionnement

Also Published As

Publication number Publication date
US6220588B1 (en) 2001-04-24
DE19824579C1 (de) 1999-06-17
EP0962285A2 (fr) 1999-12-08
ATE332212T1 (de) 2006-07-15
EP0962285A3 (fr) 2001-02-07
DE29811901U1 (de) 1998-10-08
DE59813632D1 (de) 2006-08-17

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