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EP3815845A1 - Dispositif de serrage permettant de serrer une pièce - Google Patents

Dispositif de serrage permettant de serrer une pièce Download PDF

Info

Publication number
EP3815845A1
EP3815845A1 EP20205131.4A EP20205131A EP3815845A1 EP 3815845 A1 EP3815845 A1 EP 3815845A1 EP 20205131 A EP20205131 A EP 20205131A EP 3815845 A1 EP3815845 A1 EP 3815845A1
Authority
EP
European Patent Office
Prior art keywords
clamping device
arm
clamping
housing
working position
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.)
Granted
Application number
EP20205131.4A
Other languages
German (de)
English (en)
Other versions
EP3815845B1 (fr
Inventor
Peter Steinbach
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.)
Andreas Maier GmbH and Co KG
Original Assignee
Andreas Maier GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Andreas Maier GmbH and Co KG filed Critical Andreas Maier GmbH and Co KG
Publication of EP3815845A1 publication Critical patent/EP3815845A1/fr
Application granted granted Critical
Publication of EP3815845B1 publication Critical patent/EP3815845B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/10—Arrangements for positively actuating jaws using screws
    • B25B5/104—Arrangements for positively actuating jaws using screws with one screw and one clamping lever and one fulcrum element
    • B25B5/108—Arrangements for positively actuating jaws using screws with one screw and one clamping lever and one fulcrum element the screw contacting one of the ends of the lever
    • 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
    • B25B1/00—Vices
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • B25B1/2405—Construction of the jaws
    • B25B1/2457—Construction of the jaws with auxiliary attachments
    • 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
    • B25B1/00—Vices
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • B25B1/2494—Means indicating the distance between jaws or their angular position
    • 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
    • B25B5/006—Supporting devices for clamps
    • 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
    • B25B5/163—Jaws or jaw attachments

Definitions

  • the present invention relates to a clamping device for clamping a workpiece, the clamping device comprising a housing, a clamping arm pivotably held on the housing and a clamping screw which is mounted rotatably about a longitudinal axis of the clamping screw, wherein the tensioning screw has a thread and the tensioning arm has an engagement section which, in an operating state of the tensioning device, is in engagement with the thread of the tensioning screw, and wherein the clamping device further comprises a fastening means for fastening the clamping device to a substrate and a fastening means receptacle.
  • the present invention is based on the object of creating a clamping device of the type mentioned above, in which the fastening of the clamping device to a substrate can be carried out particularly simply and easily.
  • this object is achieved according to the invention in that that the tensioning arm has at least one recess which is designed and arranged on the tensioning arm in such a way that an actuating tool engaging the fastening means for actuating the fastening means can extend through the recess to the fastening means in at least one working position of the tensioning arm relative to the housing , and or that the tensioning arm has at least one bend which is formed and arranged on the tensioning arm so that an actuating tool engaging the fastening means for actuating the fastening means is in at least one working position of the tensioning arm relative to the housing can extend laterally past the cranked area of the tensioning arm to the fastening means.
  • the fastening means is arranged in the fastening means receptacle of the tensioning device when the actuating tool engages the fastening means and extends through the recess of the tensioning arm or laterally past the cranked area of the tensioning arm to the fastening means.
  • the clamping arm can be pivoted between a first working position and a second working position relative to the housing and the recess or the bend is designed so that the actuating tool is in the first working position as well as in the second Working position can extend through the recess or laterally past the angled area of the clamping arm to the fastening means.
  • the tensioning arm is pivoted by an angle of preferably at least 30 °, in particular at least 40 °, particularly preferably at least 60 °, with respect to the first working position relative to the housing of the tensioning device.
  • the recess or the bend is designed so that the actuating tool moves through the recess or laterally past the bent area of the tension arm in each position of the tensioning arm relative to the housing between the first working position and the second working position can extend up to the fastening means.
  • the at least one recess can in particular be designed as a passage opening in the tensioning arm.
  • Such a passage opening preferably extends from an upper side of the tensioning arm facing away from the fastening means receptacle to an underside of the tensioning arm facing the fastening means receptacle through the tensioning arm.
  • the recess can in particular be designed as an elongated hole in order to enable the actuating tool to extend in a multiplicity of working positions through the recess designed as an elongated hole to the fastening means.
  • the clamping arm has at least one first recess and one second recess and can be pivoted between a first working position and a second working position relative to the housing, the first recess being designed so that the actuating tool can can extend in the first working position through the first recess up to the fastening means and the second recess is designed such that the actuating tool can extend in the second working position through the second recess up to the fastening means.
  • the tensioning arm has more than two recesses through which the actuating tool can extend to the fastening means when the tensioning arm is in different working positions.
  • At least two of the recesses in the tensioning arm can be designed in such a way that they open at a common mouth opening on the underside of the tensioning arm facing the fastening means receptacle.
  • the clamping device comprises at least one working position scale, which is arranged on the housing or on a component of the clamping device connected non-rotatably to the housing, and a Includes index marking, which is arranged on the tensioning arm or on a component of the tensioning device that is non-rotatably connected to the tensioning arm, with several working positions of the tensioning arm relative to the housing each being assigned a predetermined positioning of the index marking relative to the working position scale.
  • the working position scale comprises several working position markings, which are assigned different working positions of the tensioning arm relative to the housing.
  • the clamping arm is provided with a pressure piece and the heights H of the pressure piece in relation to a support surface of the housing of the clamping device, which the pressure piece assumes in the various working positions to which the working position markings are assigned, form an essentially equidistant sequence.
  • One of the working position markings on the working position scale can be an upper end position marking which is assigned to the working position in which the height H o of the pressure piece is at a maximum in relation to the bearing surface of the housing.
  • one of the working position markings can be a lower end position marking which is assigned to the working position in which the height H u of the pressure piece is minimal in relation to the bearing surface of the housing.
  • At least one working position scale is preferably provided on two different sides of the clamping device housing so that the positioning of the clamping arm relative to the clamping device housing can be easily read from two opposite sides of the clamping device.
  • At least one of the working position scales is arranged on an outer edge of the housing.
  • At least one of the working position scales is arranged on an inner edge of the housing which is opposite an edge of a bearing section of the tensioning arm.
  • the tensioning arm is preferably mounted on a boundary wall of the housing of the tensioning device so as to be pivotable about a pivot axis of the tensioning arm.
  • the tensioning arm is preferably provided with a pressure piece which comprises a pressure piece main body and a pressure piece insert which is detachably connected to the pressure piece main body.
  • the pressure piece main body is preferably held captive on the clamping arm.
  • the pressure piece insert is preferably connected to the pressure piece main body such that it can be exchanged for another pressure piece insert.
  • the pressure piece insert can have an essentially flat clamping surface with which the pressure piece can be placed against a workpiece to be clamped.
  • the pressure piece insert can comprise a clamping surface which is provided with one or more grooves in order to produce a corrugation or profiling of the clamping surface.
  • the pressure piece insert has a recess with which the workpiece can come into engagement when the workpiece is clamped.
  • Such a recess can extend, for example, in a longitudinal direction or in a transverse direction of the clamping device.
  • the recess can have a cross section - taken perpendicular to its longitudinal direction - which is preferably triangular or trapezoidal.
  • the pressure piece insert is detachably connected to the pressure piece base body by means of a magnetic element.
  • the magnetic element preferably comprises a permanent magnet.
  • the magnetic element can be arranged on the pressure piece main body or on the pressure piece insert.
  • the pressure piece base body is preferably provided with a projection, the underside of which, facing away from a pressure piece pivot axis of the clamping device, can serve as a clamping surface for a workpiece to be clamped by means of the clamping device if no pressure piece insert is arranged on the pressure piece base body.
  • the pressure piece insert can have a recess into which the projection of the pressure piece main body engages when the pressure piece insert is arranged on the pressure piece main body.
  • the recess is preferably designed to be complementary to the projection, so that the projection and the recess together form a form fit, which prevents displacement of the pressure piece insert relative to the pressure piece main body in a direction parallel to the underside of the pressure piece main body.
  • the clamping device according to the invention is particularly suitable for use in a combination of a clamping device according to the invention and an actuating tool for actuating a fastening means for fastening the clamping device to a substrate.
  • the actuating tool can have a substantially rectilinear tool section which extends from the recess or from the angled region of the clamping arm to the fastening means when the actuating tool is used to actuate the fastening means.
  • the actuating tool is designed as an Allen key.
  • the fastening means preferably comprises a hexagon socket screw.
  • the clamping device comprises a decoupling device, by means of which the thread of the clamping screw can be brought out of engagement with the engagement section of the clamping arm so that the clamping arm can be pivoted between a first working position and a second working position independently of a rotation of the clamping screw relative to the housing of the clamping device.
  • Such a decoupling device can in particular comprise a guide element which receives a guide section of the tensioning screw and is movable, in particular displaceable, between an engagement position in which the tensioning screw is in engagement with the tensioning arm and a release position in which the tensioning screw is out of engagement with the tensioning arm , is.
  • the decoupling device can in particular comprise a pretensioning device which pretensions the guide element into the engagement position.
  • the decoupling device can comprise a latching device, by means of which the guide element can be latched in the engagement position and / or in the release position - preferably on the housing of the clamping device.
  • the latching device can comprise at least one latching part that between a latching position, in which the latching part locks the guide element in the engagement position and / or in the release position, and an unlocking position, in which the latching part causes a movement of the guide element from the engagement position into the release position and / or releases from the release position into the engagement position, is movable.
  • the latching device can comprise a spring element which biases the at least one latching part into the latching position.
  • the latching device comprises two latching parts which protrude in opposite directions from the housing of the clamping device.
  • the latching part or at least one of the latching parts can be provided with an actuating element on which an operator can act in order to move the latching part into the unlatched position.
  • the latching part or at least one of the latching parts is preferably guided displaceably in a guide channel of the guide element.
  • the clamping screw preferably comprises an actuating end part on which a screwing tool can act in order to rotate the clamping screw about its longitudinal axis.
  • the actuating end part can in particular be designed as a tensioning screw head.
  • the actuating end part can have a polygonal cross-section, in particular a hexagonal cross-section, taken perpendicular to the longitudinal axis of the clamping screw.
  • the actuating end part is provided with a recess with a polygonal cross section, in particular with a hexagonal cross section.
  • the clamping screw can have a bearing end part, by means of which the clamping screw is pivotably mounted relative to the housing - preferably on the housing.
  • the bearing end part can have a partially spherical bearing section, which is arranged on a bearing receptacle of the housing of the clamping device, which is designed to be complementary in sections.
  • the tensioning arm is preferably pivotable by an angle of at least 30 °, in particular at least 45 °, particularly preferably at least 60 °, relative to the housing of the tensioning device when the thread of the tensioning screw is out of engagement with the engagement section of the tensioning arm.
  • the clamping device can comprise at least one chip protection element, which at least partially covers an intermediate space between two opposing inner walls of the housing of the clamping device.
  • the clamping device can comprise an upper chip protection element, which is arranged on a side of the clamping arm facing away from the support surface of the clamping device, and / or a lower chip protection element, which is arranged on a side of the clamping arm facing the support surface of the clamping device.
  • At least one chip protection element has an edge section that rests on the clamping arm or by less than 2 mm, in particular by less than 1 mm, is spaced apart.
  • the clamping device 100 shown is used to clamp a workpiece 102 on a clamping surface 104, which can, for example, be coplanar with a support surface 106 of a housing 108 of the clamping device 100, but also offset upwards or downwards with respect to this support surface 106 and / or inclined with respect to the support surface 106 can be.
  • the housing 108 is preferably designed in two parts and comprises a first housing part 110a and a second housing part 110b, which preferably abut one another in a contact plane 112 which is parallel to a longitudinal direction 114 of the clamping device 100 and perpendicular to a transverse direction 116 of the clamping device 100 is aligned.
  • the longitudinal direction 114 and / or the transverse direction 116 are preferably aligned parallel to the support surface 106 of the housing 108.
  • a height direction 118 of the clamping device 100 is oriented perpendicular to the longitudinal direction 114 and perpendicular to the transverse direction 116 and thus also perpendicular to the support surface 106 of the housing 108 of the clamping device 100.
  • the two housing parts 110a and 110b are fixed to one another, preferably detachably, by means of one or more, for example three, fastening elements 120.
  • the fastening elements 120 can, for example, each be designed as a screw which penetrates a passage opening in one housing part, for example in the second housing part 110b, and with its thread (not shown) in a complementary internal thread on the other housing part, for example on the first Housing part 110a, is screwed.
  • the housing 108 is provided on its front edge 122 with a fastening means receptacle 124, for example essentially U-shaped, which serves to accommodate a fastening means for fastening the clamping device 100 to a substrate 126.
  • a fastening means receptacle 124 for example essentially U-shaped, which serves to accommodate a fastening means for fastening the clamping device 100 to a substrate 126.
  • Such a fastening means 128 can comprise, for example, a fastening screw 130 and a T-slot piece 132, the fastening screw 130 being screwed with its external thread into an internal thread of the T-slot piece 132 complementary thereto (see FIG Figures 17 to 22 ).
  • the base 126 to which the clamping device can be fastened by means of the fastening means 128, can be designed, for example, as a machine table, as a workpiece pallet or as a base element on which the clamping device 100 is placed in order to move the support surface 106 by the height of the base element from the Clamping surface 104 to be spaced.
  • the tensioning device 100 further comprises a tensioning arm 136 which is held on the housing 108 so as to be pivotable about a pivot axis 134.
  • the pivot axis 134 of the tensioning arm 136 is aligned parallel to the transverse direction 116 of the tensioning device 100.
  • the tensioning arm 136 comprises a clamping section 138, which extends through an outlet opening 140, bordered by the housing parts 110a and 110b, on the front side of the housing 108 into an outer space 142 of the housing 108.
  • a pressure piece 146 is arranged, which serves to transmit a clamping force from the clamping device to the workpiece 102 to be clamped.
  • the pressure piece 146 is preferably articulated on the tensioning arm 136 so as to be pivotable about a pressure piece pivot axis 148 relative to the free end region 144 of the tensioning arm 136.
  • the pressure piece 146 can be formed in one piece.
  • the pressure piece 146 preferably comprises a pressure piece base body 150, which is connected to the tensioning arm 136, and a pressure piece insert 152 which is detachably connected to the pressure piece base body 150 (see FIG Fig. 1 ).
  • the pressure piece insert 152 is preferably connected to the pressure piece main body 150 by a form fit.
  • the pressure piece insert 152 is detachably fixed on the pressure piece base body 150 by means of a tongue and groove connection.
  • the pressure piece insert 152 is detachably connected to the pressure piece base body 150 by means of a magnetic element 310 .
  • Such a variant of the pressure piece 146 is in the Figs. 56 to 60 shown.
  • the pressure piece main body 150 preferably has a projection 312 on its underside facing away from the pressure piece pivot axis 148, the underside 314 of which can serve as a clamping surface 290 for clamping a workpiece 102 by means of the clamping device 100 if there is no pressure piece insert 152 ' the pressure piece main body 150 is arranged.
  • the clamping surface 290 can be designed to be essentially flat and, when the clamping device 100 is used for clamping a workpiece 102, can rest against the workpiece 102.
  • the pressure piece insert 152 ' preferably has a recess 316 into which the projection 312 of the pressure piece main body 150 engages when the pressure piece insert 152' is arranged on the pressure piece main body 150.
  • the recess 316 is preferably designed to be complementary to the projection 312, so that the pressure piece insert 152 ′ is secured against displacement relative to the pressure piece main body 150 in directions parallel to the underside 314 of the projection 312 when the pressure piece insert 152 'Is arranged on the pressure piece main body 150.
  • the magnetic element 310 which produces a non-positive connection between the pressure piece insert 152 'and the pressure piece main body 150, is arranged on the pressure piece insert 152' in the embodiment shown in the drawing.
  • the magnetic element 310 is arranged on the pressure piece main body 150; in this case it is not necessary to provide the pressure piece inserts 152 'with a magnetic element 310 as well.
  • the first pressure piece insert 152b ' is provided with one or more grooves 292 on the clamping surface 290 facing away from the pressure piece base body 150 in the assembled state of the pressure piece insert 152b', through which the clamping surface 290 is profiled so that the pressure piece insert 152b 'can dig into the workpiece 102 to be clamped with its clamping surface 290 in order to increase the adhesion between the pressure piece 146 and the workpiece 102 to be clamped.
  • the grooves 292 can run parallel to the transverse direction 116 of the clamping device 100 (and thus parallel to the pressure piece pivot axis 148) or run parallel to the longitudinal direction 114 of the clamping device 100 or run in any other direction.
  • a recess 294 is provided on the clamping surface 290 facing away from the pressure piece base body 150 in the assembled state of the pressure piece insert 152c', which extends in the transverse direction 116 of the clamping device 100 and perpendicular to this, preferably a trapezoidal or Has triangular cross-section.
  • the pressure piece base body 150 faces away Clamping surface 290 is provided with a recess 294 'which extends parallel to the longitudinal direction 114 of the clamping device 100 and preferably has a trapezoidal or triangular cross section perpendicular to this direction.
  • the clamping device 100 comprises a working position scale 154, which is arranged on the housing 108 of the clamping device 100, and an index marking 156 which interacts with the working position scale 154 and which is arranged on the clamping arm 136.
  • the index marking 156 preferably extends in a direction directed radially to the pivot axis 134 of the tensioning arm 136.
  • the index marking 156 can be embodied, for example, as a depression or as an elevation on the tensioning arm 136.
  • the index marking 156 can stand out from the surrounding area of the tensioning arm 136 by its color and / or its brightness.
  • the working position scale 154 preferably comprises several working position markings 158 which are assigned to different working positions of the clamping arm 136 relative to the housing 108 of the clamping device 100, the clamping arm 136 being rotated in these different working positions by different angles relative to the housing 108 about the pivot axis 134.
  • the working position scale 154 comprises, for example, five such working position markings 158; as an alternative to this, however, it can also be provided that the working position scale 154 comprises only one, two, three, four or more than five working position markings 158.
  • the working position markings 158 preferably extend in a direction directed radially to the pivot axis 134.
  • the work position markings 158 can in particular be embodied as elevations or recesses on the housing 108.
  • the working position markings 158 can stand out from the area of the housing 108 adjoining the working position markings 158 by their color and / or by their brightness.
  • two working position scales 154 are provided, one of the working position scales 154 being arranged on the first housing part 110a and a second working position scale 154 being arranged on the second housing part 110b.
  • two index marks 156 are also provided on the tensioning arm 136, a first index marking 156a being arranged on the side of the tensioning arm 136 facing the first working position scale 154a and the second index marking being arranged on the side of the tensioning arm 136 facing the second working position scale 154.
  • one of the working position markings 158 of the working position scale 154 is an upper end position marking 160a, which is assigned to the working position of the clamping arm 136, at which the height H o of the pressure piece pivot axis 148 in relation to the support surface 106 of the housing 108 of the clamping device 100 is maximum.
  • one of the working position markings 158 of the working position scale 154 is preferably a lower end position marking 160b, which is assigned to the working position of the tensioning arm 136, in which the height H u of the pressure piece pivot axis 148 in relation to the bearing surface 106 of the housing 108 is minimal.
  • the intermediate position markings 162a, 162b and 162c of the working position scale 154 which lie between the upper end position marking 160a and the lower end position marking 160b, are preferably in this way on the Housing 108 arranged that the heights H 1 , H 2 , H 3 and H u of the pressure piece pivot axis 148 in relation to the support surface 106 of the housing 108 of the clamping device 100, which the pressure piece pivot axis 148 in the various intermediate positions of the clamping arm 136, to which the intermediate position markings 162a, 162b and 162c are assigned, or in the lower end position of the tensioning arm 136, which is assigned the lower end position marking 160b, respectively, form an essentially equidistant sequence.
  • the intermediate position markings 162a, 162b and 162c are therefore preferably so arranged relative to the upper end position mark 160a and the lower end position mark 160b that the height H 1 , which the pressure piece pivot axis 148 assumes in the first intermediate position assigned to the first intermediate position mark 162a, is lower by ⁇ H is than the height H o which the pressure piece pivot axis 148 assumes in the upper end position of the tensioning arm 136.
  • the height H 2 which the pressure piece pivot axis 148 assumes in the second intermediate position assigned to the second intermediate position marking 162b, is smaller by ⁇ H than the height H 1 .
  • the height H 3 which the pressure piece pivot axis 148 assumes in the third intermediate position assigned to the third intermediate position marking 162c, is smaller by ⁇ H than the height H 2 .
  • the height H u which the pressure piece pivot axis 148 assumes in the lower end position, is smaller by ⁇ H than the height H 3 .
  • ⁇ H (H o ⁇ H u ) / (n + 1).
  • the angle of rotation with respect to the pivot axis 134 of the tensioning arm 136, by which the positions of immediately successive work position markings 158 of the work position scale 154 differ from one another, is therefore not constant, but decreases from the upper end position marking 160a to the lower end position marking 160b.
  • the working position scale 154 is arranged on an outer edge 164 of the housing 108 of the clamping device, and the working position markings 158 are each formed as recesses, in particular as notches, on the relevant outer edge 164.
  • FIGS Figures 23 to 35 An alternative embodiment of a work position dial 154 is described below in connection with that in FIGS Figures 23 to 35 illustrated second embodiment of a clamping device 100 will be described.
  • the clamping device 100 comprises a movement device designated as a whole by 166, which comprises a clamping screw 168 which is mounted rotatably about a longitudinal axis 170 of the clamping screw 168 (see FIG Fig. 7 ).
  • the clamping screw 168 has a thread 172, which in the in Fig. 7 working condition shown and in the in Fig. 16 The illustrated working state of the clamping device 100 in engagement with a ring gear segment 174 which is formed on an engaging portion 176 of the tension arm 136.
  • the engagement section 176 of the tensioning arm 136 is arranged on the side of the pivot axis 134 of the tensioning arm 136 facing away from the free end region 144 of the tensioning arm 136.
  • the clamping screw 168 further comprises a bearing end part 178, by means of which the clamping screw 168 is mounted pivotably relative to the housing 108.
  • the bearing end part 178 is releasably fixed to an end region 184 of a shaft 186 of the clamping screw 168 by means of a fastening screw 182.
  • the thread 172 of the tensioning screw 168 is formed on the shaft 186 of the tensioning screw 168.
  • An annular stop 187 is arranged between the thread 172 and the bearing end part 178, which prevents the clamping screw 168 from moving downwards along its longitudinal axis 170 when it is not in engagement with the engagement section 176 of the clamping arm 136.
  • the bearing end part 178 comprises a bearing section 180, which has an outer contour that is configured spherically in sections.
  • the partially spherical bearing section 180 of the clamping screw 168 is arranged in a partially complementary bearing receptacle 188 of the housing 108 of the clamping device 100, so that the clamping screw 168 along the partially spherical contact surface between the bearing section 180 of the bearing end part 178 on the one hand and the bearing receptacle 188 on the other hand from the in Fig. 7 working position shown in Fig. 15 illustrated release position is pivotable.
  • the longitudinal axis 170 of the clamping screw 168 is preferably aligned essentially perpendicular to the support surface 106 of the housing 108 of the clamping device 100.
  • an actuating end part 190 is formed which an operator can grip with his hand or a tool to rotate the clamping screw 168 about its longitudinal axis 170 and thereby move the clamping arm 136 into the desired working position move.
  • the actuating end part 190 can in particular be designed as a tensioning screw head.
  • the actuating end part 190 preferably has a polygonal cross section, for example a hexagonal cross section, taken perpendicular to the longitudinal axis 170 of the clamping screw 168.
  • the guide element 196 is guided displaceably on the housing 108 of the clamping device 100 that it can be moved from one to the other Fig. 7 and 15th engaged position shown, in which the clamping screw 168 is in engagement with the clamping arm 136, in a Fig. 15
  • the release position shown in which the clamping screw 168 is out of engagement with the clamping arm 136, and can be displaced from the release position back into the engagement position.
  • the tensioning device 100 further comprises a pretensioning device 198, which the guide element 196 into the Fig. 7 and 16 pretensioned engagement position shown.
  • the pretensioning device 198 can in particular comprise a pretensioning spring 200 which is fixed on a housing-side end region 202 on the housing 108 of the tensioning device 100 and on an end region 204 on the guide element side on the guide element 196.
  • the guide element 196 and the pre-tensioning device 198 form components of a decoupling device 206 of the tensioning device 100, by means of which the thread 172 of the tensioning screw 168 can be brought out of engagement with the engagement section 176 of the tensioning arm 136.
  • This decoupling device 206 further comprises a latching device 208, by means of which the guide element 196 can be latched in the engagement position and in the release position relative to the housing 108.
  • the latching device 208 comprises two latching parts 210, which between one in the Fig. 8 and 14th locking position shown, in which the locking parts 210 lock the guide element 196 in the engagement position or in the release position and one in the Fig. 9 and 10 unlocking position shown, in which the locking parts 210 release a movement of the guide element 196 from the engagement position into the release position or from the release position into the engagement position, are movable.
  • the movement of the latching parts 210 from the latching position into the unlatching position or from the unlatching position into the latching position takes place preferably along the transverse direction 116 of the clamping device 100.
  • Both latching parts 210 are preferably guided displaceably in a guide channel 212 of the guide element 196, the guide channel 212 preferably extending through the guide element 196 in the transverse direction 116 of the clamping device 100.
  • the latching device 208 further comprises a spring element 214, which biases the two latching parts 210 into the latching position.
  • the spring element 214 can be designed, for example, as a helical spring.
  • the end regions of the spring element 214 facing away from one another can each be received in a spring element receptacle 216 of one of the latching parts 210.
  • the two latching parts 210 protrude from the housing 108 of the clamping device 100 in opposite directions 218a and 218b, respectively, which are both aligned parallel to the transverse direction 116.
  • Each of the latching parts 210 is provided at its end facing away from the respective other latching part 210 with an actuating element 220 on which an operator can act in order to move the respective latching part 210 into the unlocking position.
  • Each of the actuation elements 220 can be designed as an actuation button.
  • the following procedure is followed: Based on the in the Fig. 7 and 8th illustrated working position of the clamping device 100, in which the engagement portion 176 of the clamping arm 136 is in engagement with the thread 172 of the clamping screw 168 and the clamping arm 136 is, for example, in its upper end position, the guide element 196 is in the engagement position and the latching parts 210 of the locking device 208 are in the latching position, the latching parts 210 of the latching device 208 are in the Fig. 9
  • the unlocking position shown is transferred by an operator engaging the actuating elements 220 of the locking parts 210 and moving them toward one another along the transverse direction 116 of the clamping device 100.
  • the release position shown takes place in that the operator engaging the actuating elements 220 moves the latching parts 210 in the longitudinal direction 114 of the clamping device 100 from the front of the housing 108, at which the clamping arm 136 emerges from the housing 108, to the rear, to the rear of the housing 108 there, postpones.
  • FIG Fig. 10 This state, in which the guide element 196 is in the release position and the latching parts 210 are in the unlocking position, is not shown in FIG Fig. 10 also in the Fig. 11 and 12th shown. Because the operator no longer acts on the actuating elements 220 of the latching parts 210, the latching parts 210 are moved apart by the spring element 214 in the directions 218a, 218b, so that they are in the Fig. 13 and 14th Assume the locking position shown, in which the locking parts 210 lock the guide element 196 in the release position.
  • This quick adjustment of the tensioning arm 136 saves a great deal of setting time that would otherwise have to be expended to move the tensioning arm 136 in the working position by turning the tensioning screw 168 about its longitudinal axis 170 from the first working position, for example the upper end position of the tensioning arm 136, into the second Working position, for example the lower end position of the clamping arm 136, to move.
  • the guide element 196 is transferred from the release position back into the engagement position in that an operator moves the latching parts 210 against the elastic restoring force of the spring element 214 from the latching position in which the latching parts 210 lock the guide element 196 in its release position into the unlocking position, in which the latching parts 210 release a movement of the guide element 196 from the release position into the engagement position.
  • the guide element 196 released from the locking in the release position is moved by the pre-tensioning device 198, in particular the pre-tensioning spring 200, from the release position into the engagement position in which the thread 172 of the tensioning screw 168 is again in engagement with the engagement section 176 of the tensioning arm 136.
  • the locking parts 210 are moved by the spring element 214 along the directions 218a and 218b from the unlocking position into the locking position, so that the guide element 196 is locked in the engagement position and secured against moving back into the release position.
  • the clamping device 100 comprises an upper chip protection element 222 and a lower chip protection element 224, these chip protection elements 222, 224 each at least partially covering a space between two opposing inner walls 226a, 226b of the housing 108 of the clamping device 100, so that an interior 228 of the housing 108, in which the engagement section 176 of the tensioning arm 136 and the thread 172 of the tensioning screw 168 are arranged, is protected by the chip protection elements 222, 224 against the ingress of chips and / or other contaminants from the outer space 142 of the housing 108.
  • the upper chip protection element 222 is fixed to a top wall 230 of the housing 108 and extends both in the FIG Fig. 7 shown upper end position of the tensioning arm 136 as well as in the in Fig. 16 shown lower end position of the tensioning arm 136 up to an upper circumferential surface 232 of the tensioning arm 136 or at least up to the vicinity of this upper circumferential surface 232.
  • An edge section 234 of the upper tension protection element 222 facing the tensioning arm 136 preferably rests against the upper circumferential surface 232 of the tensioning arm 136 or is spaced from the upper circumferential surface 232 of the tensioning arm 136 by less than 2 mm, in particular by less than 1 mm.
  • the lower chip protection element 224 is fixed on a bottom wall 236 of the housing 108 and extends up to a lower peripheral surface 238 of the tensioning arm 136 or at least up to the vicinity of the lower peripheral surface 238.
  • an edge section 240 of the lower tension protection element 224 facing the tensioning arm 136 rests on the lower circumferential surface 238 of the tensioning arm 136 or is spaced from the lower circumferential surface 238 of the tensioning arm 136 by less than 2 mm, in particular by less than 1 mm.
  • Each of the chip protection elements 222, 224 can in particular be embodied in the form of a plate and / or in the form of an essentially sheet.
  • the free end region 144 of the tensioning arm 136 has a longitudinal center plane 242 which runs through the longitudinal axis 170 of the tensioning screw 168, preferably regardless of whether the tensioning screw 168 is in the engaged position or in the release position and preferably independently of the working position in which the tensioning arm 136 is located.
  • the clamping arm 136 is provided with a bend 246, which is formed and arranged on the clamping arm 136 such that a side wall facing the fastening means receptacle 124 250 of the tensioning arm 136 in the cranked area 248 of the tensioning arm 136 is offset by the distance ⁇ along the transverse direction 116 of the tensioning device 100 with respect to the same side wall 250 in the free end area 144 of the tensioning arm 136, namely away from a lateral edge 252 of the fastening means receptacle 124 an inner wall 226b of the housing 108 facing away from this lateral edge 252 of the fastening means receptacle 124.
  • the side wall 150 of the tensioning arm 136 in the free end region 144 of the tensioning arm 136 on the one hand and the lateral edge 252 of the fastening means receptacle 124 on the other hand are almost in the same plane perpendicular to the transverse direction 116 of the tensioning device 100, and the offset ⁇ generated by the bend 246 is almost the same size as the width of the fastener receptacle 124, that is, its extension in the transverse direction 116, so that the cranked area 248 of the tensioning arm 136 the fastener receptacle 124 - seen in the plan view from above along the height direction 118 of the tensioning device 100 - overlaps only to a small extent or not at all.
  • the actuating tool 244 it is therefore possible for the actuating tool 244 to extend laterally past the angled area 248 of the tensioning arm 136 to a fastening means 128 of the clamping device 100 received in the fastening means receptacle 124 when the clamping arm 136 is in its upper end position, as is the case in the Figures 17 to 19 is shown.
  • the actuating tool 244 can be designed, for example, as an Allen key (Allen key) 254, which has a long rectilinear tool portion 256, a short rectilinear tool portion 258 and a curved tool portion 260 connecting the short rectilinear tool portion 258 and the long rectilinear tool portion 256 to one another.
  • Allen key Allen key
  • the long straight tool section 256 can extend laterally past the tensioning arm 136 from the cranked area 248 of the tensioning arm 136 to the fastening means 128 received in the fastening means receptacle 124, in particular up to a fastening screw 130 of the fastening means 128, when the tension arm 136 is in its upper end position.
  • the bend 246 of the tensioning arm 136 is also designed and arranged on the tensioning arm 136 in such a way that the actuating tool 244 engaging the fastening means 128 arranged in the fastening means receptacle 124 for actuating the fastening means 128 also laterally at the angled area 248 of the tensioning arm 136 can extend past to the fastening means 128 when the tensioning arm 136 is in its lower end position.
  • the actuating tool 244 can be arranged on the tensioning device 100 in such a way that it laterally passes the cranked area 248 of the tensioning arm 136 from above the tensioning arm 136 to extends to the fastening means 128 in order to engage the fastening means 128 and to actuate the same in order to fasten the clamping device 100 to the substrate 126.
  • the bend 246 on the tensioning arm 136 is also designed in such a way that a side wall 262 of the tensioning arm 136 facing away from the fastening means receptacle 124 is cranked Area 248 opposite the free end area 144 of the tensioning arm 136 along the transverse direction 116 of the tensioning device 100 away from the lateral edge 252 of the fastener receptacle 124 to an inner wall 226b of the housing 108 facing away from the lateral edge 252 of the fastener receptacle 124 by the distance ⁇ 'is offset.
  • the tensioning arm 136 has in its free end region 144 and in the The cranked area 248 has the same width, that is to say the same extent along the transverse direction 116 of the clamping device 100.
  • the clamping arm 136 has a smaller width in the cranked area 248 than in the free end area 144.
  • the clamping arm 136 has a greater width in the cranked area 248 than in the free end area 144.
  • Mounting means 128 accommodated in the receptacle 124 extends is preferably less than 10 °, in particular less than 5 °.
  • the T-slot piece 132 is pushed into the relevant T-slot, the clamping device 100 so on the base 126 is arranged so that the fastening means receptacle 124 is located in the vertical direction 118 of the clamping device 100 above the T-slot piece 132, and the fastening screw 130 is inserted into the fastening means receptacle 124 so that its thread engages the internal thread of the T. -Nuts vinegars 132 comes.
  • the actuating tool 244 is then brought into engagement with the head of the fastening screw 130 in such a way that the long straight tool section 256 extends from the fastening screw 130 laterally past the cranked area 248 of the tensioning arm 136 to the area above the tensioning arm 136, as shown in FIG the Figures 17 to 22 is shown.
  • an operator grips the short straight tool section 258 of the operating tool 244 in order to rotate the long straight tool section 256 about its longitudinal axis and thereby screw the fastening screw 130, which is in engagement with the operating tool 244, into the internal thread of the T-slot piece 132 until the T-slot piece 132 and the housing 108 of the clamping device 100 are braced against the base 126, for example a machine table, so that the clamping device 100 is releasably fixed on the base 126.
  • an anti-rotation device 264 is provided on the underside of the housing 108, in particular as a recess can be designed with a non-rotationally symmetrical cross-section (see Fig. 4 ).
  • the anti-rotation device 264 is designed, for example, as an essentially cuboid recess in the bottom wall 236 of the housing 108.
  • the anti-rotation lock 264 can be brought into engagement with a complementary positioning element when the clamping device 100 is placed on the base 126, so that the engagement between the positioning element fixed on the base 126 and the anti-rotation lock 264 on the housing 108 of the clamping device 100 causes a rotation of the Housing 108 of the clamping device 100 is prevented relative to the substrate 126.
  • FIG. 23 to 35 The illustrated second embodiment of a clamping device 100 for clamping a workpiece 102 differs from that in FIG Figs. 1 to 22 illustrated first embodiment in that in this second embodiment of the tensioning device 100 no decoupling device 206 is provided, by means of which the thread 172 of the tensioning screw 168 can be brought out of engagement with the engagement section 176 of the tensioning arm 136.
  • clamping screw 168 is mounted on the top wall 230 of the housing 108 so as to be rotatable about its longitudinal axis 170 by means of a stationary upper bearing 266 and by means of a stationary one
  • the lower bearing 268 is mounted on the bottom wall 236 of the housing 108 so as to be rotatable about its longitudinal axis 170.
  • the longitudinal axis 170 of the clamping screw 168 is always preferably oriented essentially parallel to the height direction 118 of the clamping device 100.
  • the thread 172 of the tensioning screw 168 is always in engagement with the engagement section 176 of the tensioning arm 136.
  • the clamping arm 136 can therefore only be moved from a first working position to a second working position by rotating the clamping screw 168 about its longitudinal axis 170, the rotation of the clamping screw 168 being effected by an operator using a suitable operating tool on the actuating end part 190 of the clamping screw 168 attacks and rotates it.
  • the tensioning arm 136 comprises, both on its left side and on its right side, a bearing section 270 which is pivotably mounted on a side wall 272 of the housing 108 about the pivot axis 134 of the tensioning arm 136.
  • each bearing section 270 is visible from the outer space 142 of the housing 108.
  • An index marking 156 is arranged on the outer side 274 of the respective bearing section 270.
  • the housing 108 of the clamping device 100 is provided with two working position scales 154, each on an inner edge 276 of the housing 108 are provided, which lies opposite an edge of the respectively assigned bearing section 270 of the tensioning arm 136.
  • each work position scale 154 comprises a plurality of work position markings 158, in particular an upper end position mark 160a, a lower end position mark 160b and one or more intermediate position markings 162a, 162b and / or 162c.
  • the index marking 156 preferably extends in a direction directed radially to the pivot axis 134 of the tensioning arm 136.
  • the index marking 156 can be embodied, for example, as a depression or as an elevation on the bearing section 270 of the tensioning arm 136.
  • the index marking 156 can stand out from the surrounding area of the bearing section 270 of the tensioning arm 136 by its color and / or its brightness.
  • the working position markings 158 preferably extend in a direction directed radially to the pivot axis 134 of the tensioning arm 136.
  • the work position markings 158 can in particular be embodied as elevations or depressions on the housing 108.
  • the working position markings 158 can stand out from the area of the housing 108 adjoining the working position markings 158 by their color and / or by their brightness.
  • the respective working position of the tensioning arm 136 can be read easily and reliably from both sides of the tensioning device 100.
  • the intermediate position markings 162a, 162b and 162c of the working position scale 154 located between the upper end position marking 160a and the lower end position marking 160b are preferably arranged on the housing 108 so that the heights H of the pressure piece pivot axis 148 in relation to the support surface 106 of the housing 108 of the clamping device 100, which the pressure piece pivot axis 148 in each case assumes in the various intermediate positions of the tensioning arm 136, to which the intermediate position markings 162a, 162b and 162c are assigned, and in the lower end position of the tensioning arm 136, to which the lower end position marking 160b is assigned, essentially one Form an equidistant sequence.
  • ⁇ H (H o - H u ) / (n + 1).
  • the angle of rotation with respect to the pivot axis 134 of the tensioning arm 136 by which the positions of the tensioning arm 136 assigned to the immediately successive working position markings 158 of the working position scale 154 differ from one another, is not constant, but decreases from the upper end position marking 160a to the lower end position marking 160b.
  • the illustrated second embodiment of the clamping device 100 differs from that in FIGS Figs. 1 to 22 illustrated embodiment further by the design of the chip protection elements 222 and 224, which at least partially cover the space between the two opposing inner walls 226a, 226b of the housing 108 of the clamping device 100, so that the interior 228 of the housing 108, in which the engagement section 176 of the clamping arm 136 and the thread 172 of the clamping screw 168 are arranged, by means of which chip protection elements 222, 224 are protected against the penetration of chips and / or other contaminants from the outer space 142 of the housing 108.
  • the upper chip protection element 222 can comprise a projection 280 which is arranged on the top wall 230 of the housing 108 and is provided with a cover 282.
  • the cover 282 can be formed from a plastic material, in particular an elastomer material, for example.
  • the cover 282 can be connected to the projection 280 in a detachable or non-detachable manner, in particular in a materially bonded manner, from the projection 280.
  • the lower chip protection element 224 is, for example, angled and comprises a section 284 on the housing side and a section 286 on the clamping arm side, the section 284 on the housing side and the section 286 on the clamping arm side preferably enclosing an obtuse angle ⁇ with one another.
  • the clamping arm-side section 286 and / or the housing-side section 284 of the lower chip protection element 224 is preferably essentially plate-shaped and / or essentially leaf-shaped.
  • the housing-side section 284 of the lower chip protection element 224 can be detachably fixed to the bottom wall 236 of the housing 108 of the clamping device 100, for example, by means of a fastening screw 288.
  • the upper and lower chip protection elements 222 and 224 disclosed in connection with the first embodiment and the second embodiment of the clamping device 100 can be interchanged with one another and / or combined with one another as desired.
  • each configuration of an upper chip protection element 222 can also be used as a configuration of a lower chip protection element 224
  • each configuration of a chip protection element 222 or 224 which has been described in connection with the first embodiment, can also be used as a configuration of a chip protection element 222 or 224 of the second embodiment and any configuration of a chip protector 222 or 224 of the second embodiment can be used as a configuration of any of the chip protectors 222 or 224 of the first embodiment.
  • the pressure piece 146 which is arranged on a free end region 144 of the clamping arm 136 facing away from the pivot axis 134 of the clamping arm 136, preferably comprises a pressure piece base body 150, which is connected to the tensioning arm 136, and a pressure-piece insert 152 which is detachably connected to the pressure-piece base body 150.
  • the pressure piece insert 152 is preferably connected to the pressure piece main body 150 by a form fit.
  • the pressure piece insert 152 is detachably fixed on the pressure piece base body 150 by means of a tongue and groove connection.
  • the first pressure piece insert 152a has an essentially flat clamping surface 290 which, when the pressure piece insert 152a is mounted on the pressure piece base body 150, faces away from the pressure piece base body 150 and when the clamping device 100 is used to clamp a workpiece 102 the workpiece 102 is applied.
  • the second pressure piece insert 152b is provided with one or more grooves 292 on the clamping surface 290 facing away from the pressure piece base body 150 in the assembled state of the pressure piece insert 152b its clamping surface 290 can dig into the workpiece 102 to be clamped in order to increase the adhesion between the pressure piece 146 and the workpiece 102 to be clamped.
  • the grooves 292 can run parallel to the transverse direction 116 of the clamping device 100 or run parallel to the longitudinal direction 114 of the clamping device 100 or run in any other direction.
  • a recess 294 is provided on the clamping surface 290 facing away from the pressure piece base body 150 in the assembled state of the pressure piece insert 152c, which recess 294 extends in the transverse direction 116 of the clamping device 100 and preferably has a trapezoidal or triangular cross section perpendicular thereto having.
  • the clamping surface 290 facing away from the pressure piece base body 150 in the assembled state of the pressure piece insert 152d is provided with a recess 294 'which extends parallel to the longitudinal direction 114 of the clamping device 100 and preferably one perpendicular to this direction has trapezoidal or triangular cross-section.
  • the pressure piece 146 as in the first embodiment described above, can also be designed as shown in FIGS Figs. 56 to 60 and has been explained above in connection with the description of the first embodiment of the clamping device 100.
  • the illustrated third embodiment of a clamping device 100 for clamping a workpiece 102 differs from that in FIG Figures 23 to 35 illustrated second embodiment in that the tensioning arm 136 has no bend 246, which is formed and arranged on the tensioning arm 136 such that an actuating tool 244 engaging the fastening means 128 for actuating the fastening means 128 is in at least one working position of the tensioning arm 136 relative to the Housing 108 can extend laterally past a cranked area 248 of the tensioning arm 136 to the fastening means.
  • the clamping arm 136 has a recess 296, which is formed and arranged on the clamping arm 136 in such a way that an actuating tool engaging the fastening means 128 for actuating the fastening means 128 is in at least one working position of the The clamping arm can extend relative to the housing 108 through the recess 296 up to the fastening means 128 received in the fastening means receptacle 124.
  • the recess 296 is arranged between the pivot axis 134 of the tensioning arm 136 on the one hand and the free end region 144 of the tensioning arm 136 on which the pressure piece 146 is arranged on the other hand.
  • the recess 296 is designed as a passage opening 298 which extends from an upper side 300 of the tensioning arm 136, which faces away from the fastening means receptacle 124, through the tensioning arm 136 up to an underside 302 of the tensioning arm 136, which faces the fastening means receptacle 124, extends through the tensioning arm 136.
  • the recess 296 is designed as an elongated hole which extends along the longitudinal direction of the tensioning arm 136 and parallel to the longitudinal center plane 242 of the free end region 144 of the tensioning arm 136.
  • the recess 296 is formed and arranged on the tensioning arm 136 so that the actuating tool 244 is in both the Figures 40 to 42 shown upper end position of the tensioning arm 136 as well as in the Figures 43 to 45
  • the illustrated lower end position of the tensioning arm 136 can extend through the recess 296 to the fastening means 128.
  • the clamping arm 136 is pivoted about the pivot axis 134 relative to the housing 108 of the clamping device 100 by an angle of at least 30 °, in particular at least 45 °, particularly preferably at least 60 °.
  • the recess 296 is designed and arranged on the clamping arm 136 in such a way that the actuating tool 244 also extends in each working position of the clamping arm relative to the housing 108 through the recess 296 to the fastening means 128 in each working position of the clamping arm between the upper end position and the lower end position can.
  • the tensioning arm 136 is preferably designed essentially mirror-symmetrically with respect to the longitudinal center plane 242 of the free end region 144 of the tensioning arm 136.
  • the illustrated fourth embodiment of a clamping device 100 for clamping a workpiece 102 differs from that in FIG Figures 36 to 45 third embodiment shown in that the tensioning arm 136 is not provided with a single recess 296 to allow the passage of the actuating tool 244 through the tensioning arm 136 in every working position of the tensioning arm 136, but the tensioning arm 136 has a first recess 296a and a second recess 296b having, wherein the first recess 296a is formed and arranged on the tensioning arm 136 that the operating tool 244 is in the Figures 50 to 52
  • the upper end position of the tensioning arm 136 shown can extend through the first recess 296a to the fastening means 128, and the second recess 296b is formed and arranged on the tensioning arm 136 in such a way that the operating tool 244 is in the Figures 53 to 55
  • the illustrated lower end position of the tensioning arm 136 can extend through the second recess 296b to the fast
  • Both recesses 296a and 296b are designed as passage openings 298 in the tensioning arm 136, which extend from the upper side 300 of the tensioning arm 136 facing away from the fastening means receptacle 124 to the underside 302 of the tensioning arm 136 facing the fastening means receptacle 124 through the tensioning arm 136 .
  • first recess 296a and the second recess 296b have a common mouth opening 304 on the underside 302 of the tensioning arm 136.
  • first recess 296a and the second recess 296b open out at mutually separate mouth openings on the underside 302 of the tensioning arm 136.
  • the first recess 296a and the second recess 296b preferably open out at mutually separate opening openings 306a and 306b, respectively.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
EP20205131.4A 2019-11-04 2020-11-02 Dispositif de serrage permettant de serrer une pièce Active EP3815845B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019129676.5A DE102019129676A1 (de) 2019-11-04 2019-11-04 Spannvorrichtung zum Einspannen eines Werkstücks

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EP3815845A1 true EP3815845A1 (fr) 2021-05-05
EP3815845B1 EP3815845B1 (fr) 2023-09-27

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EP20205131.4A Active EP3815845B1 (fr) 2019-11-04 2020-11-02 Dispositif de serrage permettant de serrer une pièce

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EP (1) EP3815845B1 (fr)
DE (1) DE102019129676A1 (fr)
ES (1) ES2966647T3 (fr)
PL (1) PL3815845T3 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463408A2 (fr) * 1972-01-28 1981-02-20 Carossino Andre Dispositif multiplicateur de puissance en particulier pour le calcul de la resistance des materiaux, la realisation d'empreintes, le bridage de pieces ou autres
DE8515633U1 (de) * 1985-05-28 1985-07-11 Carossino Freres, Saint-Ouen l'Aumone Spannvorrichtung zum Spannen von Werkstücken auf Tischen von Werkzeugmaschinen
DE4116161A1 (de) * 1991-05-17 1992-11-19 Frey Rudolf Spannvorrichtung
FR2767730A1 (fr) * 1997-09-03 1999-03-05 Patricia Carossino Dispositif de bridage vertical a force d'application elevee
GB2522631A (en) * 2014-01-30 2015-08-05 Daniel Roy Shepherd A clamping device
EP3050673A1 (fr) * 2015-01-28 2016-08-03 UNIVER S.p.A. Dispositif de tension
CN106984911A (zh) * 2017-05-27 2017-07-28 苏州大学 一种激光加工用夹具

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10625382B2 (en) * 2012-08-01 2020-04-21 Delaware Capital Formation, Inc. Toggle lever clamp
DE102018200018A1 (de) * 2018-01-02 2019-07-18 Ford Global Technologies, Llc Fertigungshilfsmittel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463408A2 (fr) * 1972-01-28 1981-02-20 Carossino Andre Dispositif multiplicateur de puissance en particulier pour le calcul de la resistance des materiaux, la realisation d'empreintes, le bridage de pieces ou autres
DE8515633U1 (de) * 1985-05-28 1985-07-11 Carossino Freres, Saint-Ouen l'Aumone Spannvorrichtung zum Spannen von Werkstücken auf Tischen von Werkzeugmaschinen
DE4116161A1 (de) * 1991-05-17 1992-11-19 Frey Rudolf Spannvorrichtung
FR2767730A1 (fr) * 1997-09-03 1999-03-05 Patricia Carossino Dispositif de bridage vertical a force d'application elevee
GB2522631A (en) * 2014-01-30 2015-08-05 Daniel Roy Shepherd A clamping device
EP3050673A1 (fr) * 2015-01-28 2016-08-03 UNIVER S.p.A. Dispositif de tension
CN106984911A (zh) * 2017-05-27 2017-07-28 苏州大学 一种激光加工用夹具

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ES2966647T3 (es) 2024-04-23
DE102019129676A1 (de) 2021-05-06
EP3815845B1 (fr) 2023-09-27
PL3815845T3 (pl) 2024-03-04

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