EP1579955B1 - Dispositif de serrage à tige-poussoir - Google Patents

Dispositif de serrage à tige-poussoir Download PDF

Info

Publication number
EP1579955B1
EP1579955B1 EP20050006725 EP05006725A EP1579955B1 EP 1579955 B1 EP1579955 B1 EP 1579955B1 EP 20050006725 EP20050006725 EP 20050006725 EP 05006725 A EP05006725 A EP 05006725A EP 1579955 B1 EP1579955 B1 EP 1579955B1
Authority
EP
European Patent Office
Prior art keywords
ram
clamping
bearing
workpiece
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.)
Not-in-force
Application number
EP20050006725
Other languages
German (de)
English (en)
Other versions
EP1579955A1 (fr
Inventor
Norbert Lamers
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.)
Wendt GmbH
Original Assignee
Wendt 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
Priority claimed from EP04007178A external-priority patent/EP1579954A1/fr
Application filed by Wendt GmbH filed Critical Wendt GmbH
Priority to EP20050006725 priority Critical patent/EP1579955B1/fr
Publication of EP1579955A1 publication Critical patent/EP1579955A1/fr
Application granted granted Critical
Publication of EP1579955B1 publication Critical patent/EP1579955B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/34—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of turning or planing tools or tool bits, e.g. gear cutters
    • B24B3/343—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of turning or planing tools or tool bits, e.g. gear cutters of throw-away cutting bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs

Definitions

  • the invention relates to a ram tensioning device for holding a workpiece during processing in a grinding device, wherein the material processing takes place by means of a particular approximately dish-shaped grinding wheel.
  • a ram tensioning device for holding a workpiece during processing in a grinding device, wherein the material processing takes place by means of a particular approximately dish-shaped grinding wheel.
  • Such a device is in the DE-A-4 301 214 released.
  • ram tensioning devices are known.
  • the workpiece to be machined is clamped between two plungers, and the plunger tensioning device is designed as a complex device with a large size.
  • Both the drive for the rotational orientation of the clamping held workpiece and the actuating device for the clamping force are arranged on one side of the plunger tensioning device, wherein the clamping force is forwarded by means of a transmission element to the other side and there is diverted torque-free by a rocker construction to a tension-related expansion of the ram tensioning device to avoid.
  • the object of the invention is to avoid the aforementioned disadvantages and to provide a plunger tensioning device with which a machining of a workpiece is possible even if the workpiece must be pivoted into the grinding wheel for this purpose.
  • the plunger tensioning device with the workpiece clamped therein can be pivoted almost arbitrarily with respect to the grinding wheel, without causing collisions between the grinding wheel and the plunger tensioning device.
  • grinding work can also be carried out on a wide variety of areas of the workpiece clamped in the ram tensioning device without having to travel longer axis paths with the ram tensioning device relative to the grinding wheel.
  • the stability and rigidity of the entire device can thus be increased, which results in better processing results and reduces the time required for processing. Due to the smaller size high rigidity can be achieved with significantly lower material usage, so that the cost of such a device are significantly reduced.
  • the substantially rotationally symmetrical surface of the bearing element and the bearing shell can be formed by the envelope surface of an elliptical segment rotated about the center of rotation.
  • the bearing element can be designed as a cap-shaped spherical segment with such a radius of curvature that the center of a corresponding in its curvature of the ball segment complete ball in about the center of the workpiece, based on the contact points clamping ram / workpiece and pivot bearing / workpiece corresponds.
  • the bearing element may be formed as a cylindrical or conical spherical segment with a correspondingly curved upper end face.
  • the radius of curvature of the bearing shell can be slightly smaller than the radius of curvature of the bearing element, so that an approximately annular contact is given in the outer region.
  • a small lubricating pocket can be formed in the central region and the centering effect is increased.
  • the radius of curvature of the bearing shell may be slightly larger than the radius of curvature of the bearing element, so that a quasi punctiform contact between bearing shell and bearing element results, so that a particularly low rotational resistance is given.
  • a contact pattern of the pivot bearing can be adjusted, in which the resulting surface pressure either more in the respective outer region of the bearing element and bearing shell or are arranged more in the respective inner areas of bearing element and bearing shell.
  • the difference in the radii of curvature of the bearing shell and bearing element can be up to 2% of the diameter of the pivot bearing, in particular up to 0.5% of the diameter of the pivot bearing.
  • the bearing shell can form the side of the rotary bearing facing away from the workpiece and the bearing element can form the side of the rotary bearing facing the workpiece, but the reverse arrangement of the rotary bearing components is also possible.
  • the bearing element can be secured by a hose or the like against unintentional loosening, so that good quality is ensured without expensive and expensive components. Due to the rather small rotational movements of the pivot bearing such a backup is completely sufficient.
  • the fuse may be a heat shrink tubing segment.
  • the bearing element may be slightly tapered on the upper side, whereby when using a hose protection or the like an even better protection against accidental release is given.
  • the ram diameter can be made very small with a diameter of up to 15 mm, in particular, the diameter can be only a few millimeters, so that also workpieces with small dimensions, eg. As inserts with an inner circle of only a few millimeters, can be easily edited.
  • the bearing element may have a higher hardness than the bearing shell, so that a wear rather the bearing shell occurs as on the bearing element.
  • material pairings such as bearing element made of hardened steel or hard metal on a bearing shell made of steel may be particularly provided.
  • the bearing element may have a lower hardness than the bearing shell, so that wear occurs on the bearing element rather than on the bearing shell.
  • material pairings such as bearing shell made of hardened steel or hard metal on a bearing element made of steel may be particularly provided.
  • bearing element and the bearing shell of a matching material such as carbide, so that increased wear or even seizure on a portion or an element of storage is avoided.
  • the holding element in the translational direction may be arranged stationary, the clamping ram against the holding element kraftbeaufschlagt formed deflectable and be provided to the clamping ram particular against a restoring force in the direction of the bearing shell deflecting deflection device for the application of force to the clamping ram.
  • the workpiece is placed in front of the clamping between clamping ram and holding element in position and the workpiece is then pressed by translational axial force-actuated deflection of the clamping ram against the holding element and clamped so far.
  • the holding element may be arranged stationary in the translational direction, the clamping plunger against the holding element against a clamping plunger in the direction of the bearing shell oppressive, in particular designed as a spring Kraftbeaufschlagungs adopted be deflected and deflected and the tensioning plunger against the Kraftbeauschlagung Deflection device be provided for the temporary release of the clamping of the clamping ram, so that a complex construction for a force applied through the drive axle force is avoided.
  • the clamping is automatically ensured by axial deflection of the clamping ram due to the spring, and the clamping must be solved only by inserting or removing the workpiece by applying force. This eliminates a force application during the entire processing time, which means a lower load.
  • the clamping ram can be arranged in a fixed position in the translatory direction, the holding element against the clamping ram force-deflected be formed deflectable and the holding element in particular against a restoring force in the direction of the clamping plunger pushing Auslenkke be provided for the application of force to the holding element.
  • the translational clamping of the workpiece is carried out by axial displacement of the holding element, wherein this displacement is kraftbeaufschlagt.
  • the clamping ram is stationary in the axial direction.
  • the clamping rod arranged in a translatory direction stationary be, the holding member relative to the clamping ram against a holding element in the direction of the clamping plunger oppressive, in particular designed as a spring Kraftbeaufschlagungs adopted deflected and be provided as a holding element against the Kraftbeauschlagung deflecting deflection for temporarily releasing the clamping of the retaining element.
  • oppressive in particular designed as a spring Kraftbeaufschlagungs
  • the translational clamping of the workpiece between clamping ram and holding element by the Kraftbeaufschlagungs drove, which may be formed as a spring. Only a kraftbeaufschlagte solution of the clamping then takes place for insertion or removal of the workpiece.
  • the duration of the application of force is limited to the placement or removal treatments and the clamping takes place without force applied by a separate device automatically due to the spring force.
  • the deflection device may be formed as part of the drive axis of the clamping tappet.
  • the deflection device can also be designed as a lever or the like engaging behind at least one projecting region of the component to be displaced, so that a robust and functional construction of the deflection device is possible with a simple technical construction.
  • the lever may be formed approximately bifurcated and engage behind with two above-formed lateral regions corresponding lateral projections of the component to be displaced, and it may preferably the projections at the level of the axis of the component to be displaced, ie the clamping ram or the holding element, each other be provided opposite, so that tilting or the like is avoided by a torque-free power transmission and the already mentioned small dimensions of the subject invention are possible.
  • the fork can engage in particular on the side of the retaining element, which faces the contact side of the plunger tensioning device. Also, the fork can attack on the side of the holding member through which the clamping ram is performed.
  • the lever may be formed as a rocker and be articulated between its ends, so that by a torque-free power transmission tilting or the like is avoided and the already mentioned small dimensions of the subject invention are possible.
  • the clamping ram to increase the surface pressure at its contact surface for clamping the workpiece have at least one recess, so that the transferable by friction torque for rotation of the workpiece is greater and slip between clamping ram and workpiece is reliably avoided. The rotation thus takes place safely in the pivot bearing and does not occur at the contact between the workpiece and clamping ram.
  • the contact surface of the clamping ram can be provided in particular with an inside, a protruding annular region forming recess.
  • the bearing element to increase the surface pressure at its contact surface for clamping the workpiece have at least one recess, and in particular with an inside, a projecting annular area be provided forming recess, so that the workpiece is securely held and the rotation takes place only between the bearing shell and bearing element. Slippage between the bearing element and the workpiece or a displacement of the workpiece is thus reliably avoided.
  • the clamping of the workpiece takes place in that the C-shaped holding element is pulled with the provided on the holding area pivot bearing in the axial direction against the performed by the other holding area and fixed in the axial direction of the clamping plunger.
  • the deflection device designed as a fork-shaped lever, which engages behind corresponding lateral projections of the retaining element with its two previously formed lateral regions.
  • the projections may be formed as lateral boundaries or walls of a groove.
  • the lever can be designed as a rocker element rotatably mounted between its ends, so that a torque-free clamping can take place.
  • the retaining element may indeed be displaceable in the axial direction, but be arranged in a fixed position in its rotational alignment about the axis.
  • the axially fixed clamping ram can be designed to be rotatable for rotational alignment of the workpiece, so that upon rotation of the clamping ram, the workpiece and the bearing element are rotated while the bearing shell and the Haleelement remain unchanged in their rotational position.
  • the invention also relates to a grinding device, wherein the material processing by means of a particular in about Bowl-shaped grinding wheel is done with a ram tensioning device for holding a workpiece during machining.
  • Fig. 1 shows a partially sectioned view of an embodiment of a plunger tensioning device 1 according to the invention for a workpiece 6.
  • the ram tensioning device 1 in this case has an approximately C-shaped holding element 2, which is provided with end portions each angled in the same direction holding areas 3.
  • a clamping rod 4 is performed and on the other holding portion 3 of the support member 2 is a pivot bearing 5 is provided as an abutment for the pressed by the clamping rod 4 workpiece 6, wherein the relative position of the clamping rod 4 and retaining element 2 for translational clamping force is changeable.
  • the clamping rod 4 is arranged in the translational direction A stationary for the translational clamping of the workpiece 6, the holding member 2 is compared to the clamping rod 4 kraftbeaufschlagt formed axially deflectable and the holding element 2 in the direction of the clamping ram 4 pushing deflection 7 is for the application of force provided the retaining element 2.
  • the deflection device 7 is an approximately fork-shaped lever 8 with two previously formed lateral regions 9, wherein the lateral regions 9 corresponding lateral, formed as a partial region of a groove, projections 10 to be displaced Behind engage retaining element 2.
  • the groove-shaped formation shown in the drawing can be adjusted accordingly by means of the deflection device 7, the release of the clamping and the degree of opening of the plunger tensioning device 1 for insertion or removal of the workpiece 6.
  • the fork-shaped lever 8 together with the C-shaped holding element 2 in this variant takes over the function for clamping and the clamping rod 4 acts as relative to the drive of the plunger tensioning device 1 relatively non-displaceable counter bearing.
  • the clamping rod 4 is rotatably changed in direction of the rotational alignment of the workpiece 6 by means of corresponding, not shown in detail in the drawing actuators in its orientation.
  • the rotary bearing 5 has a substantially rotationally symmetrical concave bearing shell 11 and a arranged on this and cooperating with this, substantially rotationally symmetrical convex bearing element 12, wherein both bearing shell 11 and bearing element 12 are arranged such that the respective vertical on the surface of the bearing shell 11 or bearing element 12 in the center of rotation of bearing shell 11 and bearing element 11 in the unloaded state with the translational movement direction (A) of the holding element 2 are aligned.
  • a hose lock 13 in the form of a shrink tube secures the bearing element 12, which is slightly tapered in the direction of the workpiece 6, against unintentional release.
  • the pivoting range of the holding element 2 according to the invention can be significantly greater about an axis pointing parallel to the grinding wheel rotation axis. By pivoting about 180 ° can be pivoted so far instead of one end 3 of the C-shaped support member 2 and the other end 3 in the grinding wheel.
  • Another advantage is the possibility of a pivoting of the workpiece by 360 ° about an axis pointing in the direction A.
  • FIG. 6 another embodiment of a plunger tensioning device according to the invention is shown in a partially sectioned plan view.
  • the force is applied by a rocker similar trained and between its ends to a stationary abutment 14 hingedly mounted lever 8.
  • a provided for the application of force to the lever 8 hydraulic cylinder 15 against the one end of the lever 8, so that it is pivoted about the abutment 14 and its other end against the projection 10 of the C-shaped holding element 2.
  • a hydraulic cylinder 15 instead of a hydraulic cylinder 15, a pneumatic cylinder, a motor drive or a differently designed Kraftbeauschlagungselement be provided.
  • Figure 7 shows an enlarged section X of the object after Fig. 6 ,
  • the radius of curvature of the bearing shell 11 is slightly larger than the radius of curvature of the bearing element 12, so that a quasi punctiform contact between bearing shell 11 and bearing element 12 results.
  • a low friction torque is ensured in the pivot bearing 5, so that a free rotation can be done.
  • the difference in the radii of curvature of the bearing shell and bearing element can be up to 2% of the diameter of the pivot bearing, in particular up to 0.5% of the diameter of the pivot bearing.
  • the clamping rod 4 is provided to increase the surface pressure at its contact surface for clamping the workpiece 6 with a recess 16 so that the transferable by friction torque for rotation of the workpiece 6 is greater and slip between the clamping rod 4 and workpiece 6 is reliably avoided.
  • the rotation thus takes place securely in the rotary bearing 5 and does not occur at the contact between the workpiece 6 and clamping ram 4.
  • the recess 16 of the clamping rod 4 is as inside, a protruding formed annular area forming recess.
  • the recess 16 can also pass through the entire clamping rod 4 and thus serve as a passage for a Lochzentrierst Congressel which is technologically efficient for the centering of provided with a hole or a recess workpieces, in particular indexable inserts with a central through hole before the clamping.
  • a Lochzentrierst Congressel which is technologically efficient for the centering of provided with a hole or a recess workpieces, in particular indexable inserts with a central through hole before the clamping.
  • the bearing element 12 is provided to increase the surface pressure at its contact surface for clamping the workpiece 6 with a recess 17. This is formed as an inside, forming a protruding annular portion recess so that the workpiece 6 is held securely and the rotation takes place only between the bearing shell 11 and bearing element 12. A slip between the bearing element 12 and workpiece 6 or a displacement of the workpiece 6 is thus reliably avoided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Claims (22)

  1. Dispositif de serrage (1) à tige-poussoir pour maintenir une pièce (6) pendant l'usinage dans une meuleuse, sachant que l'usinage de matière s'effectue au moyen d'un disque de meulage réalisé notamment approximativement en forme d'auge, caractérisé par les caractéristiques suivantes :
    a) le dispositif de serrage (1) à tige-poussoir présente un élément de maintien (2) approximativement en forme de C, pourvu terminalement de régions de maintien (3) respectivement coudées dans la même direction,
    b) un poussoir de serrage (4) passe à travers l'une des régions de maintien (3) de l'élément de maintien (2),
    c) la position relative du poussoir de serrage (4) et de l'élément de maintien (2) peut être modifiée par sollicitation en force pour le blocage en translation dans une direction (A) de déplacement en translation,
    d) pour l'orientation en rotation de la pièce (6), l'orientation du poussoir de serrage (4) peut être modifiée par rotation au moyen d'actionneurs correspondants,
    e) les actionneurs peuvent être asservis par un organe de commande,
    f) un poussoir de butée est prévu sur l'autre région de maintien (3) de l'élément de maintien (2), poussoir qui comprend un palier de rotation (5) comme contre-appui pour la pièce (6) pressée par le poussoir de serrage (4),
    g) le palier de rotation (5) présente un coussinet concave (11) essentiellement à symétrie de rotation, ainsi qu'un élément de palier convexe (12) essentiellement à symétrie de rotation, disposé sur ce coussinet et coopérant avec ce dernier,
    h) tant le coussinet (11) que l'élément de palier (12) sont disposés de telle sorte que les perpendiculaires à la surface du coussinet (11) ou de l'élément de palier (12) qui passent respectivement par le centre de rotation du coussinet (11) ou de l'élément de palier (12) sont alignées dans cette région, dans l'état non sollicité, avec la direction (A) de déplacement en translation,
    i) le dispositif de serrage (1) à tige-poussoir est réalisé de petite taille par rapport au disque de meulage.
  2. Dispositif de serrage (1) à tige-poussoir selon la revendication 1, caractérisé en ce que l'élément de palier (12) est réalisé sous forme de segment sphérique en forme de calotte, avec un rayon de courbure tel que le centre d'une sphère complète dont la courbure correspond au segment sphérique correspond approximativement au milieu de la pièce, relativement aux points de contact poussoir/pièce et palier de rotation/pièce.
  3. Dispositif de serrage à tige-poussoir selon la revendication 1 ou 2, caractérisé en ce que le rayon de courbure du coussinet (11) est légèrement inférieur au rayon de courbure de l'élément de palier (12).
  4. Dispositif de serrage à tige-poussoir selon la revendication 1 ou 2, caractérisé en ce que le rayon de courbure du coussinet (11) est légèrement supérieur au rayon de courbure de l'élément de palier (12).
  5. Dispositif de serrage à tige-poussoir selon la revendication 3 ou 4, caractérisé en ce que la différence entre les rayons de courbure du coussinet (11) et de l'élément de palier (12) est égale à au plus 2% du diamètre du palier de rotation (5), en particulier à au plus 0,5% du diamètre du palier de rotation (5).
  6. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 5, caractérisé en ce que le coussinet (11) forme le côté du palier de rotation (5) qui est opposé à la pièce (6), et l'élément de palier (12) le côté du palier de rotation (5) qui est tourné vers la pièce (6).
  7. Dispositif de serrage (1) à tige-poussoir selon la revendication 6, caractérisé en ce que l'élément de palier (12) est réalisé en se rétrécissant légèrement sur le dessus.
  8. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 7, caractérisé en ce que l'élément de palier (12) est empêché de se défaire inopinément par un moyen d'assujettissement (13) sous forme de gaine ou analogue.
  9. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 8, caractérisé en ce que le diamètre du poussoir est réalisé très petit, notamment n'est que de quelques millimètres.
  10. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 9, caractérisé en ce que l'élément de palier (12) présente une plus grande dureté que le coussinet (11).
  11. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 10, caractérisé en ce que, pour le blocage en translation de la pièce (6), l'élément de maintien (2) est disposé stationnairement dans la direction de translation, le poussoir de serrage (4) est réalisé déviable par rapport à l'élément de maintien (2) par sollicitation en force, et il est prévu pour la sollicitation en force du poussoir de serrage (4) un organe de déviation qui pousse le poussoir de serrage (4) en direction du coussinet (11) notamment à l'encontre d'une force de rappel.
  12. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 10, caractérisé en ce que, pour le blocage en translation de la pièce (6), l'élément de maintien (2) est disposé stationnairement dans la direction de translation, le poussoir de serrage (4) est réalisé déviable par rapport à l'élément de maintien (2) par sollicitation en force à l'encontre d'un organe de sollicitation en force poussant le poussoir de serrage (4) en direction du coussinet (11) et réalisé notamment sous forme de ressort, et il est prévu un organe de déviation (7) déviant le poussoir de serrage (4) à l'encontre de la sollicitation en force pour la libération temporaire du blocage du poussoir de serrage (4).
  13. Dispositif de serrage à tige-poussoir selon l'une des revendications 1 à 10, caractérisé en ce que, pour le blocage en translation de la pièce (6), le poussoir de serrage (4) est disposé stationnairement dans la direction de translation, l'élément de maintien (2) est réalisé déviable par rapport au poussoir de serrage (4) par sollicitation en force, et il est prévu pour la sollicitation en force de l'élément de maintien (2) un organe de déviation (7) qui pousse l'élément de maintien (2) en direction du poussoir de serrage (4) notamment à l'encontre d'une force de rappel.
  14. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 10, caractérisé en ce que, pour le blocage en translation de la pièce (6), le poussoir de serrage (4) est disposé stationnairement dans la direction de translation, l'élément de maintien (2) est réalisé déviable par rapport au poussoir de serrage (4) par sollicitation en force à l'encontre d'un organe de sollicitation en force poussant l'élément de maintien (2) en direction du poussoir de serrage (4) et réalisé notamment sous forme de ressort, et il est prévu un organe de déviation (7) déviant l'élément de maintien (2) à l'encontre de la sollicitation en force pour la libération temporaire du blocage de l'élément de maintien (2).
  15. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 11 à 14, caractérisé en ce que l'organe de déviation (7) est réalisé sous forme d'élément de l'axe d'entraînement du poussoir de serrage (4).
  16. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 11 à 14, caractérisé en ce que l'organe de déviation (7) est réalisé sous la forme d'un levier (8) ou analogue engageant par l'arrière au moins une région en saillie (10) de l'élément à déplacer.
  17. Dispositif de serrage (1) à tige-poussoir selon la revendication 16, caractérisé en ce que le levier (8) est réalisé approximativement fourchu et, par deux régions latérales (9) réalisées saillantes, engage par l'arrière des saillies latérales correspondantes (10) de l'élément à déplacer.
  18. Dispositif de serrage (1) à tige-poussoir selon la revendication 17, caractérisé en ce que les saillies (10) sont prévues en vis-à-vis à hauteur de l'axe de l'élément à déplacer.
  19. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 16 à 18, caractérisé en ce que le levier (8) est réalisé sous forme de bascule et est monté de manière articulée entre ses extrémités.
  20. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 19, caractérisé en ce que le poussoir de serrage (4) présente au moins un évidement (16) pour augmenter la pression superficielle sur sa surface de contact pour le blocage de la pièce (6), en particulier est pourvu sur le côté intérieur d'un renfoncement formant une région annulaire saillante.
  21. Dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 20, caractérisé en ce que l'élément de palier (12) présente au moins un évidement (17) pour augmenter la pression superficielle sur sa surface de contact pour le blocage de la pièce (6), en particulier est pourvu sur le côté intérieur d'un renfoncement formant une région annulaire saillante.
  22. Meuleuse, sachant que l'usinage de matière s'effectue au moyen d'un disque de meulage réalisé notamment approximativement en auge, avec un dispositif de serrage à tige-poussoir pour maintenir une pièce pendant l'usinage, caractérisée en ce qu'il est prévu un dispositif de serrage (1) à tige-poussoir selon l'une des revendications 1 à 21.
EP20050006725 2004-03-25 2005-03-29 Dispositif de serrage à tige-poussoir Not-in-force EP1579955B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20050006725 EP1579955B1 (fr) 2004-03-25 2005-03-29 Dispositif de serrage à tige-poussoir

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04007178A EP1579954A1 (fr) 2004-03-25 2004-03-25 Dispositif de serrage à tige-poussoir
EP04007178 2004-03-25
EP20050006725 EP1579955B1 (fr) 2004-03-25 2005-03-29 Dispositif de serrage à tige-poussoir

Publications (2)

Publication Number Publication Date
EP1579955A1 EP1579955A1 (fr) 2005-09-28
EP1579955B1 true EP1579955B1 (fr) 2010-09-22

Family

ID=34863110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050006725 Not-in-force EP1579955B1 (fr) 2004-03-25 2005-03-29 Dispositif de serrage à tige-poussoir

Country Status (1)

Country Link
EP (1) EP1579955B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013213176A1 (de) 2013-07-04 2015-01-08 Haas Schleifmaschinen Gmbh Vorrichtung zum Spannen eines Werkstückes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109129052B (zh) * 2018-10-19 2024-06-14 镇江维纳特气门有限公司 一种气门锥面磨床
JP2021041525A (ja) 2019-09-11 2021-03-18 アガトン・アクチエンゲゼルシャフト・マシーネンファブリーク モジュラークランプ装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH686349A5 (de) * 1992-02-10 1996-03-15 Agathon Ag Maschf Schleifmaschine zum Umfangs- und Fasenschleifen von Schneidplatten, insbesondere Wendeschneidplatten
EP1291131B1 (fr) * 2001-09-10 2006-04-12 WENDT GmbH Dispositif pour usiner une pièce alternativement par meulage ou électroérosion

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013213176A1 (de) 2013-07-04 2015-01-08 Haas Schleifmaschinen Gmbh Vorrichtung zum Spannen eines Werkstückes
DE102013213176B4 (de) * 2013-07-04 2015-01-15 Haas Schleifmaschinen Gmbh Vorrichtung zum Spannen eines Werkstückes
EP2859994A2 (fr) 2013-07-04 2015-04-15 Haas Schleifmaschinen GmbH Dispositif destiné à tendre une pièce à usiner
EP2859994A3 (fr) * 2013-07-04 2015-10-28 Haas Schleifmaschinen GmbH Dispositif destiné à tendre une pièce à usiner

Also Published As

Publication number Publication date
EP1579955A1 (fr) 2005-09-28

Similar Documents

Publication Publication Date Title
DE10156560C2 (de) Klemmvorrichtung
EP2873122A1 (fr) Outil de sertissage d'embouts
EP1799396A1 (fr) Dispositif de remplacement pour tetes de serrage comportant plusieurs machoires de serrage
EP2958693A1 (fr) Outil de fraisage
DE102005022808A1 (de) Sicherungseinrichtung für Steuerkopflagerungen und Verfahren zur Sicherung von Steuerkopflagerungen
EP1743743B1 (fr) Écarteur
WO2004011172A1 (fr) Dispositif d'arrachage
AT393302B (de) Vorrichtung zur verbindung zweier werkzeugteile
EP1579955B1 (fr) Dispositif de serrage à tige-poussoir
DE4034862C2 (fr)
EP0827796A1 (fr) Dispositif de découplement
DE102009049920A1 (de) Spannvorrichtung
EP1579954A1 (fr) Dispositif de serrage à tige-poussoir
DE2841116C2 (de) Vorrichtung zum Abziehen von Hülsen, Lagerringen o.dgl.
EP0553316B1 (fr) Bague de serrage pour goujon de rivetage et outil de fa onnage de la bague
DE19903684B4 (de) Werkzeug zum Querfließpressen
EP1762768B1 (fr) Dispositif écarteur ajustable
CH657802A5 (de) Vorrichtung zur lagefixierung von werkstuecktraegern auf werkzeugmaschinen.
DE102022109309B3 (de) Niederzugspanner
DE202016005535U1 (de) Abstützelement, insbesondere zum Abstützen eines Werkstücks
DE10049048C1 (de) Verfahren zum Herstellen von Enden für Hohlwellen
DE3700841A1 (de) Kupplungselement, insbesondere zum kraft- und formschluessigen verbinden eines werkzeugkopfes mit einem werkzeugtraeger
DE10215801B4 (de) Spur- und Schubstangenabzieher
DE19959677B4 (de) Verfahren und Vorrichtung zum Bruchtrennen von ringförmigen Werkstücken
DE2543547A1 (de) Spannvorrichtung fuer in drehrichtung beaufschlagte werkstuecke

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

17P Request for examination filed

Effective date: 20051201

AKX Designation fees paid

Designated state(s): AT CH DE IT LI

17Q First examination report despatched

Effective date: 20080902

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH DE IT LI

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 502005010278

Country of ref document: DE

Date of ref document: 20101104

Kind code of ref document: P

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20110623

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502005010278

Country of ref document: DE

Effective date: 20110623

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502005010278

Country of ref document: DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20190314

Year of fee payment: 15

Ref country code: DE

Payment date: 20190319

Year of fee payment: 15

Ref country code: IT

Payment date: 20190326

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20190226

Year of fee payment: 15

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502005010278

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 482053

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200331

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201001

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200331

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200329