EP3641987A2 - Zwinge und verfahren zum betreiben einer zwinge - Google Patents
Zwinge und verfahren zum betreiben einer zwingeInfo
- Publication number
- EP3641987A2 EP3641987A2 EP18732754.9A EP18732754A EP3641987A2 EP 3641987 A2 EP3641987 A2 EP 3641987A2 EP 18732754 A EP18732754 A EP 18732754A EP 3641987 A2 EP3641987 A2 EP 3641987A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spindle
- slide
- gear
- slide rail
- displacement
- 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
Links
- 238000000034 method Methods 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 91
- 238000006073 displacement reaction Methods 0.000 claims abstract description 88
- 230000009347 mechanical transmission Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 description 9
- 230000001154 acute effect Effects 0.000 description 7
- 230000013011 mating Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B25B5/02—Clamps with sliding jaws
-
- 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
- B25B5/102—Arrangements for positively actuating jaws using screws with at least one jaw sliding along a bar
-
- 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
-
- 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
- B25B5/068—Arrangements for positively actuating jaws with at least one jaw sliding along a bar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/16—Details, e.g. jaws, jaw attachments
Definitions
- the invention relates to a ferrule comprising a slide rail, a fixed bracket, which is arranged on the slide rail, a sliding bracket, which is displaceable on the slide rail, and at least one spindle, which is arranged to be displaceable on the sliding bar and on which a pressure piece arranged or is formed.
- a clamp With such a clamp, one or more workpieces can be clamped between the pressure piece and the fixed bracket.
- the slide bar can be pushed towards the workpieces to be clamped, and a corresponding clamping force can be exerted via the spindle with the pressure piece.
- a quick-clamp consisting of a guide rod with head part and from a displaceable on the guide rod, together with the head part of the parts to be clamped guiding part.
- the tensioning device of the clamp has a pressure pin mounted on the head part, which can be pressed down by means of an eccentric arranged on the head part and actuatable by an operating lever.
- the invention has for its object to provide a ferrule of the type mentioned, which is easy to use and in particular one hand operable.
- This object is achieved in the above-mentioned ferrule according to the invention in that an actuating device is provided which is spaced from the at least one spindle and which by an operator for controlling a displacement movement of the at least one Can be actuated spindle, that a Kraftbeaufschlagungs featured is provided, which acts on the at least one spindle and via which a displacement movement of the at least one spindle is effected, and that a transmission device is provided which connects the Betreliistseinrich- device and the force application device.
- the actuating device which is operated by an operator, is spaced from the spindle.
- a spindle displacement is controlled by the actuating device, wherein the corresponding control commands are transmitted via the transmission device to the force application device for spindle displacement.
- the command transmission is, for example, a signal transmission, or the corresponding mechanical forces and, in particular, torques can be transmitted from the actuating device to the force application device and from there to the spindle by the transmission device.
- the transmission device connects the actuating device and the force application device to one another in a signal-effective and / or force-effective manner, and in particular torque-effective.
- the actuating device provides signals which are transmitted from the transmission device to the force application device. These signals are then control signals for the Kraftbeaufschlagungsleaned for displacement movement of the spindle.
- a force-effective (mechanical) and in particular torque-effective connection mechanical forces are transmitted from the actuating device through the transmission device to the force application device.
- the force required for a spindle displacement is introduced by an operator via the actuating device and is then forwarded via the transmission device.
- the transmission device allows a spatial distance between the actuation control of the at least one spindle and the spindle itself, so as to realize in particular a one-hand operation.
- the actuating device is arranged on a slide bracket and in particular is displaceable therewith. This results in easy handling and in particular one-handed operation of the clamp.
- the sliding bar comprises a housing with a housing interior and the force application device and the transmission device are at least partially disposed in the housing interior. As a result, they can be positioned protected. It results in a compact structure.
- the housing is closed. It is closed, for example, by a housing cover.
- the housing cover may for example also form one or more bearings (for example for the force application device, or the actuating device) and in particular plain bearings. It is particularly advantageous if the at least one spindle is rotatably mounted on the slide bracket. As a result, a displacement movement can be achieved in a simple manner via a rotary movement.
- the at least one spindle is a screw spindle, which is rotatably mounted via a thread on a mating thread of the slide bracket. It can then be realized by a rotational movement of the at least one spindle, a displacement movement of this spindle, in particular a sense of rotation of the at least one spindle determines whether the spindle is moved toward the fixed bracket to or away from this.
- a first guide means for guiding the Gleitbügels is arranged on the slide on the slide, and is arranged on the slide a second guide means for guiding the at least one spindle on the slide bar, wherein in particular the first guide means and the second guide means spaced from one another are.
- a displacement direction is a displaceability of the slide bracket on the slide rail and a displacement direction of a displaceability of the at least one spindle and a slide bracket parallel to each other. This results in a compact design with ease of use.
- a one-hand operability in which a sliding movement of the at least one spindle controlled by the
- Actuating device with a holding hand of an operator, by means of which the clamp is held, is effected.
- the operator has the other hand free, for example, to hold one or more workpieces.
- the actuating device is a rotary handle or comprises such, wherein a rotation of the rotary handle, a displacement of the at least one spindle is actuated.
- the twist grip can simultaneously as Handle for the ferrule to be designed as a whole.
- the rotary handle can be designed so that can also cause a displacement movement of the Gleitbügels (by pushing or pulling) on the slide over this.
- a torque is introduced via the rotary handle, which is then transmitted via the transmission device and the force application device to the at least one spindle.
- the rotary handle forms a type of switch, wherein corresponding signals are generated depending on the position of the rotary handle, which then drive the force application device to effect a displacement movement of the at least one spindle.
- the rotary handle is rotatably mounted on the slide bracket.
- the rotary handle can be easily moved with the sliding bar. It can be an operating device realize which allows in each shift position of the slide bar on the slide control of the displacement of the at least one spindle.
- an axis of rotation of the rotary handle is at least approximately parallel to a displacement direction of a displaceability of the at least one spindle on the slide bracket and / or at least approximately parallel to a displacement direction of a sliding of a slide bracket on the slide rail.
- the rotary handle has a holding element, which is in particular at least approximately cylindrical, and which extends in a longitudinal direction and can be gripped around with a holding hand of an operator.
- This holding element can be used to hold the ferrule as a whole with one hand.
- a displacement movement of the at least one spindle can then be effected by a rotational movement of the holding element as an actuating device.
- the rotary handle is arranged so that a displacement movement of the sliding bracket on the slide rail can be actuated via it.
- the slide bar For sliding movement of the slide bar on the slide rail, the slide bar must be pushed or pulled on the slide rail.
- the rotary handle can be used as an engaging element for a holding hand for a sliding movement or pulling movement. This results in a simple
- the actuating device may be a device which generates only signals in order to effect the displacement movement of the at least one spindle.
- a force exerted on the rotary handle torque (by the operator) via the transmission device as a drive torque for rotation and displacement of the at least one spindle on the at least one spindle transferable. It can be activated by a rotation of the rotary handle cause a displacement movement of the at least one spindle.
- the required driving force is introduced via the rotary handle and transmitted via the transmission device to the force application device and the at least one spindle as the output force.
- the transmission device is a mechanical transmission device, wherein in particular the actuating device is provided as a drive of the transmission device and the Kraftbeaufschlagungs favorable is provided for the at least one spindle as an output.
- the transmission device transmits a corresponding mechanical force and in particular a torque from the actuating device to the force application device on the at least one spindle in order to effect a displacement movement there. It is possible that the Kraftbeaufschlagungs worn is part of the transmission device or is separated from this. For example, a corresponding application of force (torque application) of the spindle via a gear, which is rotatably connected to the corresponding spindle.
- This gear then forms the force application device for the spindle, and it can also be part of a gear transmission and thus of the transmission device.
- a separate force application device is, for example, an electric motor or a sleeve driven by rotation through a gearbox, on which the at least one spindle is mounted in a threaded manner.
- the transmission device and the force application device convert a rotation of the actuating device into a displacement and in particular rotational displacement of the at least one spindle. It is thus possible to realize a structurally simple clamp with simple operability and, in particular, one-hand operability.
- one or more axes of rotation of the transmission device are parallel to a rotation axis of the actuating device and / or a rotation axis of the at least one spindle.
- the transmission device comprises a plurality of gears. The corresponding axes of rotation of these gears are then parallel to the axes of rotation.
- the transmission device with respect to a rotational speed of the actuating device and a rotational speed of the at least one spindle as Transmission (with increasing the speed), as a reduction gear (with a reduction in the speed) or as the speed non-changing gear is formed.
- the appropriate training depends, for example, on the geometric dimensions of the ferrule or the field of application. For example, it may be advantageous if sensitive materials are to be clamped to use a reduction gear. For example, if less sensitive workpieces are to be clamped quickly, a transmission gear may be advantageous. It is also possible for the transmission device and / or the force application device to be designed such that a rotation of the actuating device causes the same direction or opposite rotation of the at least one spindle.
- the transmission device is or includes a gear transmission.
- a gear transmission can be easily transmitted torque from a drive side to a driven side.
- a first gear is then rotatably connected to the actuating device and there is a second gear rotatably connected to the Kraftbeaufyerungs adopted or the at least one spindle, in particular the first gear engages the second gear, or between the first gear and the second gear on or a plurality of other gears for torque transmission from the first gear to the second gear are arranged.
- the first gear forms a drive gear and the second gear forms an output gear.
- the transmission device is or comprises a chain transmission or a belt transmission, wherein in particular a first disc element (for a chain or a belt) is non-rotatably connected to the actuation device and a second disc element is non-rotatably connected to the force application device or the at least one spindle and a chain or belt couples the second disc element to the first disc element.
- This element of the transmission device then also forms the force application device for the at least one spindle.
- the Kraftbeetzschlagungs drove a non-rotatable element and in particular sleeve, which is coupled to the transmission device and on which the at least one spindle is guided, wherein the at least one spindle rotatably coupled to the rotatable member.
- the corresponding element such as a sleeve, can then be rotatably mounted on the slide bar and stored in a manner resistant to translation.
- About the element is applied to the at least one spindle with the appropriate force to perform a rotation and rotational displacement. It is ensured that the at least one spindle is coupled via a large holding area and in particular large threaded portion of the slide bar. This results in a stable training.
- the Kraftbeetzschlagungs is an electric motor drive for the at least one spindle, or a hydraulic drive, or a pneumatic drive.
- the transmission device then provides in particular a signal-effective coupling between the actuating device and the force application device.
- control signals are then transmitted via the transmission device.
- An operator then triggers corresponding control signals via the actuating device.
- the necessary driving force for the displacement movement of the at least one spindle is then not provided by the operator, but by the corresponding drive.
- the actuating device comprises a switch and in particular electrical switch or is such a switch and in particular electrical switch. By actuating this switch, the corresponding drive can then be activated in order to effect a displacement movement.
- the switch is a rotary switch in the manner of a rotary handle to effect a displacement movement of the at least one spindle, and to clamp one or more workpieces between the pressure piece and the fixed bracket can.
- a contact element is arranged or formed on the fixed bracket and the pressure piece of the at least one spindle is arranged so that a projection of the pressure piece with a projection direction is parallel to a displacement direction of the at least one spindle on the contact element.
- a locking device is provided, by means of which a displacement mobility of the slide bracket on the slide rail can be blocked at least in one direction. This allows an optimized clamping result with ease of use obtained. It will be a backslider of Slider prevents.
- a locking device may be provided, which blocks a mobility of the sliding bracket in one direction to the fixed bracket to or from this.
- the locking device ensures that a displacement of the sliding bar is locked by the fixed bracket.
- the locking device is then designed so that a movement of the sliding bar can be blocked by the fixed bracket and a movement of the sliding bar on the fixed bracket is allowed. This results in a simple constructive design easy to use.
- the locking device has at least one brake element which has at least two different angular positions relative to the slide rail.
- a displaceability of the slide bar is released on the slide rail and in a second angular position (or in a second position range), the mobility is locked.
- the angular positions are then defined so that with appropriate exercise always a Zubewegige the sliding bar on the fixed bracket is allowed and a movement is locked in the opposite direction.
- a release element for solving a blocking, which in particular with a holding hand of an operator through which the clamp is held, can be operated.
- a brake element can be brought into such an angular position (for example, by overcoming the force of a spring device) in which the sliding bar is displaceable on the slide rail.
- this release element can cause a finger of the holding hand, which holds the clamp, for example, to a handle or rotary handle, this solution.
- a method for operating a ferrule wherein the ferrule has a slide rail, one on the slide rail slidable slide, comprising a fixed bracket arranged on the slide and a slidingly guided on the slide spindle, wherein the method a displacement movement of the spindle on the slide is controlled by an actuator, wherein the actuating device is spaced from the spindle and the actuating device signal effective and / or forcefully coupled to the spindle to effect a translational movement.
- the method according to the invention has the advantages already explained in connection with the ferrule according to the invention.
- clamp according to the invention can be operated with the method according to the invention or the method according to the invention can be carried out on the clamp according to the invention.
- the actuating device can be operated with a holding hand, which holds the clamp and in particular for holding the clamp (as a whole) is formed.
- a mechanical force which is exerted on the actuating device is transmitted to the spindle by a transfer device and causes a displacement movement of the spindle. It can be as a compact design clamp with ease of use and in particular realize one-hand operation.
- the following description of preferred embodiments is used in
- an isometric view of a first embodiment of a clamp according to the invention Show it : an isometric view of a first embodiment of a clamp according to the invention; a plan view of the ferrule according to Figure 1 in the direction A; a further plan view of the ferrule according to Figure 1 in the direction B; a front view of the ferrule according to Figure 1 in the direction C; a rear view de ferrule according to Figure 1 in the direction D; a sectional view taken along the line 6-6 according to Figures 2 and 5; an exploded view of an embodiment of a Gleitbügels the ferrule of Figure 1; a plan view of the slide bar according to Figure 7 in the direction E; a further partial sectional view of the ferrule according to Figure 1; a partial isometric view (without handle and with open Gleitbügelgeratiuse) of a second embodiment of a clamp according to the invention;
- FIG. 11 a view of the ferrule according to FIG. 10 in the direction F;
- FIG. 12 a partial perspective view (without a handle and with an open slide housing) of a third embodiment of a clamp according to the invention, and
- FIG. 13 a view in the direction G of the clamp according to FIG.
- a first embodiment of a ferrule according to the invention which is shown in FIGS. 1 to 9 and denoted by 10, comprises a slide rail 12.
- the slide rail 12 extends in a longitudinal direction 14 between a first end 16 and a second end 18.
- the slide rail 12 is profiled. It has in cross-section (compare, for example, Fig. 4) has a height HG, which is greater than a width BG transverse to this height.
- the height HG is at least 3 times higher than the width BG.
- the slide rail 12 has a rectangle as an envelope in cross-section, wherein the edges are rounded. Furthermore, it has opposite trough-shaped recesses 20 in a central region relative to a height direction.
- the slide rail 12 is in particular made of a metallic material.
- a fixed bracket 22 is disposed in the region of the second end 18. This fixed bracket 22 is firmly fixed to the slide rail 12.
- the fixed bracket 22 is an element which is made separately from the slide rail 12 and is firmly fixed to this later.
- the fixed bracket 22 is detachably connected to the slide rail 12. It is also possible in principle that the fixed bracket 22 is integrally formed on the slide rail 12. In one embodiment, the fixed bracket 22 is a separate part of the slide rail 12 and, for example, a plastic part.
- the fixed bracket extends in a direction perpendicular to the longitudinal direction 14 away from the slide rail 12th
- the fixed bracket 22 has a fixing region 24, via which it is held on the slide rail 12.
- the fixation region has a receptacle 26, in which the slide rail 12 is immersed.
- one or more screws, pins, bolts, etc. a further fixation of the fixed bracket 22 via the fixing region 24 of the slide rail 12 is provided.
- a contact element 28 is arranged or formed.
- This contact element 28 provides a contact surface 30 for a workpiece.
- the contact surface 30 is in particular a flat surface.
- the abutment member 28 with the abutment surface 30 is spaced in a direction transverse to the longitudinal direction 14 to the slide rail 12th
- the ferrule 10 includes a slide bar 32. This is (sliding) displaceably guided on the slide rail 12.
- the sliding bracket 32 has a first guide device 34.
- the slide bar 32 is arranged so that it can be guided on the slide rail 12 with a displacement direction 36 (direction and counter direction).
- This displacement direction 36 is in particular parallel to the longitudinal direction 14 of the slide rail 12. It can also be at an acute angle.
- the first guide device 34 is formed on a guide region 38 of the slide bracket 32. It is designed in particular as a recess through which the slide rail 12 is immersed. This recess is adapted in shape to the corresponding profiling of the slide rail 12, so that a backlash-free possible sliding is possible.
- a spindle 40 on a second guide means 41 of the slide bracket 32 is arranged on the slide bracket 12 on the slide bracket 12.
- This spindle 40 has an extension in a longitudinal direction 42, which is parallel to the longitudinal direction 14 of the slide rail 12 and parallel to the displacement direction 36 of the slide bracket 32 on the slide rail 12.
- the pressure piece 44 is a separate element from the spindle 40, which is fixed in the region of a first end 46 of the spindle.
- the pressure piece 44 is pivotally mounted and, for example via a type of ball bearings on the spindle 40 to allow a corresponding movement of the pressure piece 44 on the spindle 40.
- the spindle 40 is displaceably mounted in a displacement direction 48 (direction and opposite direction) on a corresponding bearing region 50 of the slide bracket 32, wherein the second guide means 41 at this
- Storage area 50 is seated.
- the displacement direction 48 of the spindle 40 on the slide bar 32 is parallel to the longitudinal direction 42 of the spindle 40.
- the displacement direction 48 is parallel to the displacement direction 36 of the slide bracket 32 on the slide rail 12.
- the spindle 40 is positioned on the slide bracket 32 aligned with the contact element 28 with its contact surface 30.
- a projection of the spindle 40 or the pressure piece 44 in the longitudinal direction 42 on the fixed bracket 22 is located on the contact element 28.
- the pressure piece 44 has a contact surface 52 which is particularly flat. This contact surface 52 faces the contact surface 30 of the fixed bracket 22. Accordingly, the contact surface 30 of the fixed bracket 22 of the contact surface 52 faces the pressure piece 44 of the spindle 40.
- the spindle 40 is rotatably mounted on the position area 50 of the sliding bar 32.
- An axis of rotation 54 of the spindle 40 on the slide bar 32 is parallel or coaxial with the longitudinal direction 42 and parallel or coaxial with the displacement direction 48.
- the spindle 40 is designed in particular as a screw spindle with a thread 56, which engages in a mating thread 58 on the position region 50 of the slide bracket 32.
- the thread 56 is in particular an external thread and the mating thread 58 is an internal thread.
- the clamp 10 comprises a locking device 60 in order to block a displaceability of the slide bracket 32 on the slide rail 12 in at least one direction.
- the locking device 60 is formed so that a displaceability of the slide bracket 32 on the slide rail 12 both in the direction of the fixed bracket 22 to and from the fixed bracket 22 can be blocked away.
- the locking device 60 is designed such that only the displaceability of the sliding bracket 32 on the slide rail 12 is blocked away from the fixed bracket 22.
- the locking device 60 includes a brake member 62 (FIG. 6).
- the brake element 62 is formed by one or more sheet metal plates and in particular by a sheet metal plate package.
- the brake element 62 has a recess 64 through which the slide rail 12 has penetrated.
- the brake element 62 is mounted on the slide bracket 32 in the guide region 38 in the region of an end 66 and thereby mounted such that an angular position of the brake element 62 to the slide rail 12 is variable.
- a recess 70 is correspondingly formed on the guide region 38 of the sliding bar 32, in which the brake element 62 is pivotably seated.
- a corresponding pivot axis 72 is perpendicular to the longitudinal direction 14 of the slide rail 12. In Figure 6, this pivot axis 72 is perpendicular to
- the pivot axis 72 does not necessarily have to be a spatially fixed axis, but can fundamentally change its position.
- the brake element 62 has a basic position 74, in which the
- Brake element 62 is inclined at a (small) acute angle 78 with respect to a plane 76 perpendicular to the longitudinal direction 14 of the slide rail 12.
- This acute angle 78 is in one embodiment in the order of magnitude of 5 °.
- the acute angle 78 lies in the direction of the fixed bracket 22nd
- the basic position 74 is achieved, for example, by a spring device 80, which adjoins the brake element 62 and a corresponding one
- Supporting portion 82 is supported on the guide portion 38 of the slide bracket 32.
- the spring device 80 pushes the brake element 62 out of the plane 76 into its basic position 74 with the acute angle 78.
- the brake element 62 can be brought into a position at least approximately parallel to the plane 76.
- the locking device 60 has a release element 84.
- This release element 84 is arranged on the slide bar 32 (in particular on the brake element 62) such that an operator can access it in the manner of a switch and in particular position the brake element 62 at least approximately parallel to the plane 76, overcoming the force of the spring device 80 can to lift the blocking effect.
- the release element 84 is accessible in particular from an upper side 86 of the sliding bracket 32.
- This upper side 86 faces away from that side of the sliding bar 32 in the vicinity of which the spindle 40 is seated.
- This top 86 lies above the slide rail 12, in which case the spindle 40 is positioned below the slide rail 12.
- the locking device 60 shown is designed such that the spring device 80 causes the basic position 74 (FIG. 6).
- Blocking be lifted.
- the tilting of the brake element 62 with the slide rail 12 is lifted accordingly and the slide bar 32 is freely displaceable on the slide rail 12 and also displaceable in the direction 88.
- the slide bracket 32 can still be displaced in a direction 92 (opposite direction to the direction 88) on the fixed bracket 22 (if the pressure piece 44 does not abut against the contact element 28 or one or more workpieces lie between the fixed bracket 22 and the slide bracket 32).
- the tilting of the brake member 62 is released when a sufficiently large force is applied to the displacement. Due to the described construction of the locking device 60 with the brake element 62, a blockage in one direction is achieved.
- the ferrule 10 comprises an actuator 94 for an operator via which it can activate a displacement movement of the spindle 40 on the slide bracket.
- the actuator 94 is configured as a handle 96.
- This handle 96 in particular has an at least approximately cylindrical retaining element 98, which can be grasped by a holding hand of the operator.
- This holding element 98 extends in a longitudinal direction 100 (FIG. 1), which is aligned parallel to the longitudinal direction 14 of the slide rail 12.
- the actuator 94 with the handle 96 and the retainer 98 is aligned along the slide rail 12 and faces away from the slide bracket 32 in a direction from the second end 18 of the slide rail 12 to the first end 16.
- the handle 96 is designed as a rotary handle. It is rotatably mounted on the slide bracket 32 via a rotary bearing 102. He sits on one side of the Gleitbügels 32, which is remote from the fixed bracket 22.
- An axis of rotation 104 about which the handle 96 (rotary handle 96) is rotatably supported on the slide bracket 32 is parallel to the longitudinal direction 14 of the slide rail 12 and parallel to the direction of displacement 36 of the slide bracket 32 on the slide rail 12.
- the axis of rotation 104 is in one embodiment parallel to the axis of rotation 54 for rotatability of the spindle 40 on the slide bar 32.
- the axes of rotation 54 and 104 are spaced parallel to one another.
- the axes of rotation 54 and 104 may also lie at an acute angle to each other.
- the actuating device 94 (the handle or rotary handle 96) has a recess 106 through which the slide rail 12 is performed. This passage is configured such that the actuator 94 is rotatable on the slide rail 12, that is, the handle or rotary handle 96 is rotatable relative to the slide rail 12; The slide 12 does not hinder the rotatability of the handle or rotary handle 96.
- a transmission means 108 for transmitting a torque, which is entered by an operator on the actuator 94 (the handle or rotary handle 96), on the spindle 40, for effecting a corresponding displacement of the spindle 40 in the displacement direction 48.
- the actuator 94 and the spindle 40 are spaced from each other.
- the transmission device 108 ensures a force-effective or torque-effective "bridging" of this distance in order to be able to perform a spindle displacement of the spindle 40 via the actuating device 94.
- the transmission device 108 is designed as a mechanical transmission device 110.
- a force application device 112 is provided, via which the spindle 40 with a corresponding force (a corresponding torque) can be acted upon to trigger a spindle displacement and in particular activated by the actuator 94 to perform.
- This force is supplied by the transmission device 108 of the force application device 112.
- the sliding bracket 32 comprises a housing 114 with a housing interior 116.
- the transmission means 108 In the housing interior 116, the transmission means 108 and In particular, the mechanical transmission device 110 and (at least partially) the force application device 112 arranged.
- the spindle 40 is at least partially positioned in the housing interior 116.
- the housing 114 is closed.
- a housing cover 118 (FIG. 7) is provided.
- This housing cover 118 is arranged in particular facing away from the fixed bracket 42 on the slide bracket 32 and, for example via screws 120 releasably connected to the rest of the housing 114.
- a shaft member 122 of the pivot bearing 102 is penetrated by a corresponding recess 124 of the housing cover 118.
- the handle or rotary handle 96 is non-rotatably connected to this shaft element 122.
- a region 128 of the force application device 112 has penetrated through a corresponding recess 126.
- this area 128 is made in particular for this area 128 to be rotatable in the recess 124.
- area 128 is completely within
- the recess 124 may be provided as a plain bearing area for the area 128 of the spindle 40.
- the recess 124 is formed as a sliding bearing area for the shaft member 122 or the handle 96.
- the mechanical transmission device 110 is a gear transmission 130.
- This gear transmission 130 includes a first gear 132, which rotatably with the actuator 94 (the hand handle or rotary handle 96) is connected. Accordingly, this first gear 132 has a rotation axis coaxial with the rotation axis 104.
- a rotation of the handle or rotary handle 96 causes a synchronous rotation of the handle or rotary handle 96
- Housing interior 116 is effected.
- the second gear 134 is rotatably connected to a sleeve 136.
- the sleeve 136 is rotatably mounted about the axis of rotation 54 and thereby arranged translation-fixed on the slide bracket 32. At her the area 128 is formed.
- the spindle 40 On the sleeve 136, the spindle 40 is fixed against rotation.
- the spindle 40 is provided with a hexagon, which lies in a hollow hexagon of the sleeve 136.
- the spindle 40 is displaceably mounted on the sleeve 136.
- An engagement portion of the thread 56 of the spindle 40 to the mating thread 58 of the slide bracket 32 is spaced from the sleeve 136 and thus also an immersion region of the spindle 40 in the sleeve 136th
- the sleeve 136 forms the force application device 112 for the spindle 40, by means of which the torque is coupled from the actuating device 94 into the spindle 40 for its rotational displacement movement.
- a stop element 137 On the spindle 40 sits at an end portion of a stop element 137 ( Figure 6). This stop element 137 is displaceable only within the sleeve 136. On the slide bar 32, a collar 138 in the region of one end of the opposite thread 58 formed. A stop of the stop element 137 on the collar 138 defines a maximum displacement position of the spindle 40 in which this protrudes maximally forward on the slide bar 32 to the fixed bracket 22. In principle, it is possible that the first gear 132 engages directly on the second gear 134 to allow the corresponding torque transmission from the actuator 94 to the spindle 40.
- further gears are provided between the first gear 132 and the second gear 134.
- the first gear 132 engages a third gear 140.
- This third gear 140 is rotatably mounted about an axis of rotation 142 which is parallel to the axes of rotation 104 and 54.
- the third gear 140 is disposed in the housing interior 116.
- the third gear 140 engages a fourth gear 144, which is rotatably mounted about an axis of rotation 146 parallel to the axes of rotation 54, 104, 142.
- the fourth gear 144 is positioned in the housing interior 116.
- the fourth gear 144 then engages the second gear 134.
- the transmission device 108 and, in particular, the mechanical transmission device 110 be designed with respect to a rotational speed of the actuating device 94 about the rotational axis 104 as a reduction gear, a transmission gear or a gearbox with a constant rotational speed.
- a reduction gear is compared to the original speed, an actuator 94, the speed of the Spindle 40 is reduced about the rotation axis 54 and the transmission gear is increased.
- the speed is maintained.
- a rotation on the handle or rotary handle 96 is transmitted in a same direction rotation of the spindle 40 or in an opposite direction rotation.
- the transmission of the rotation is in opposite directions, that is, when the handle 96 is rotated clockwise, the spindle 40 is rotated counterclockwise.
- the number of gears of the gear train 130 determines whether there is an opposite or equal rotation and in the embodiment shown there is an opposite rotation, due to an even number of gears, namely the four gears 132, 134, 140, 144. In an odd number of gears can be achieved in the same direction rotation.
- the number of gears of the gear transmission 130 is determined by the geometric dimensions of the ferrule 10 and also by the application.
- the gears of the gear transmission 130 are made of a plastic material, for example.
- the ferrule 10 is einhandbedienbar. An operator may hold the ferrule 10 as a whole to the handle 96. It can cause a displacement of the slide bar 32 on the slide rail 12 via the handle 96. He can with a finger of a holding hand, which surrounds the handle 96, also access the release element 94 and bring this into a release position.
- the direction of rotation of the handle 96 determines whether the spindle 40 is moved to the fixed bracket 22 to or from this.
- the ferrule 10 works as follows:
- the locking device 60 is designed so that this Zuusement is allowed. A displacement movement of the slide bar 32 on the slide rail 12 in the direction 92 (opposite direction) is blocked by the locking device 60. The operator can then bring about his holding hand, which holds the handle 96, a torque on the actuator 94 by corresponding rotation about the axis of rotation 104.
- This torque is transmitted through the transmission device 108 and the ferrule 10 via the gears of the gear train 130 to the spindle 40.
- the spindle 40 With a corresponding direction of rotation, the spindle 40 can thereby be displaced in the direction of the fixed bracket 22 and the workpiece or workpieces can become jammed.
- the ferrule 10 allows a complete one-hand operation.
- an operator has, for example, the non-holding hand free for positioning or for holding one or more workpieces, which or which are to be clamped between the fixed bracket 22 and the slide bracket 32.
- the sleeve 136 forms the force application device 112, wherein the translational position of the sleeve 136 is fixed to the slide bracket 32.
- the sleeve 136 is rotatable about the axis of rotation 104 on the slide bracket 132.
- the spindle 104 is immersed differently far into the sleeve 136 depending on the shift position to the slide bracket 32. It is rotationally fixed and translationally displaceable (in particular via a sliding bearing) mounted on the sleeve 136.
- a rotation of the sleeve 136 causes a rotation of the spindle 40 in the mating thread 58 and thus a translational displacement of the spindle 40 on the slide bar 32.
- In the gear transmission 130 is by the rotationally fixed connection of the first gear 132 to the actuator 94 (the handle or the rotary handle 96), the actuator 94 of the drive.
- a second embodiment of a clamp according to the invention which in a partial view shown in Figures 10 and 11 and denoted by 160, is basically the same design as the ferrule 10 and differs only in the design of the transmission device. For the same elements as in the ferrule 10, the same reference numerals are used.
- the ferrule 160 includes a slide bracket 32 'having a housing 114' with a housing interior 116 '.
- a transmission device 162 is arranged, which is designed as a mechanical transmission device.
- the transmission device 162 is designed as a belt drive or chain drive.
- a first disc member 164 is rotatably connected.
- a second disk element 166 is rotatably connected to the sleeve 136.
- the first disc member 164 and the second disc member 166 are torque-operatively coupled via a belt or chain 168.
- a torque introduced via the actuating device 94 is transmitted via the belt or chain 168 to the second disk element 166 and from there to the force application device 112 for carrying out a rotational displacement movement of the spindle 40.
- the transmission device 162 in its training as a belt drive or chain drive provides a spatial "bridging" on the slide bar 32 'for torque transmission to the spindle 40. Otherwise, the ferrule 160 works like the ferrule 10th
- the drive for the corresponding mechanical transmission device is the actuating device 94.
- the output is formed by the force-applying device 112.
- a third embodiment of a ferrule according to the invention which is shown in a partial representation in FIGS. 12 and 13 and designated 180, is of the same design as the ferrule 10 with respect to the slide rail 12 and the fixed bracket 22. Like reference numerals are used for the same elements.
- This slide bar 32 has a housing 114" with a housing interior 116 ".
- An electromotive drive 184 (an electric motor), which is coupled to the spindle 40, is disposed in the interior of the housing 116 "as a force-applying device 162.
- the spindle can be displaced via this electromotive drive 184.
- the electromotive drive 184 is coupled to a ball screw in order to perform a rotational displacement movement of the spindle 40 can.
- a switch 186 is arranged on the sliding bar 32 ", which is in particular an electrical switch. From the switch 186, a line device 188 leads to a control device of the electromotive drive 184.
- This line device 188 forms a signal-effective connection between the switch 186 and the Control device of the electromotive drive 184 and thus of the electromotive drive 184.
- the operator can via the operation of the switch 186 spaced from the spindle 40, a displacement movement of the spindle 40, driven via the electric motor drive 184, control.
- the housing interior 114 has a receptacle for one or more batteries for powering the electric motor drive 184.
- a handle is disposed on the slide bracket 32 '(not shown in FIG. 12).
- This handle does not necessarily have to be rotatably arranged on the slide bar 32 ", but a rotary handle can also be provided, wherein in particular a rotational position (relative to a rest position) is a switching position for a spindle displacement.
- the ferrule 180 there is no mechanical coupling in the sense of a drive-output coupling between the actuator (the switch 186) and the spindle 40 and the Kraftbeetzhausungs owned 182.
- the control of the displacement movement via the actuator 186 is a signal-effective control without mechanical power transmission of the actuating device 186 on the force application device 182nd Otherwise, the ferrule 180 functions as described above.
- Transmission device mechanical transmission device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Jigs For Machine Tools (AREA)
- Clamps And Clips (AREA)
- Wire Bonding (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017113996.6A DE102017113996A1 (de) | 2017-06-23 | 2017-06-23 | Zwinge und Verfahren zum Betreiben einer Zwinge |
PCT/EP2018/066272 WO2018234311A2 (de) | 2017-06-23 | 2018-06-19 | Zwinge und verfahren zum betreiben einer zwinge |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3641987A2 true EP3641987A2 (de) | 2020-04-29 |
EP3641987B1 EP3641987B1 (de) | 2024-03-13 |
EP3641987C0 EP3641987C0 (de) | 2024-03-13 |
Family
ID=62684815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18732754.9A Active EP3641987B1 (de) | 2017-06-23 | 2018-06-19 | Zwinge und verfahren zum betreiben einer zwinge |
Country Status (6)
Country | Link |
---|---|
US (2) | US11541512B2 (de) |
EP (1) | EP3641987B1 (de) |
CN (2) | CN110785261B (de) |
DE (1) | DE102017113996A1 (de) |
TW (2) | TWI782993B (de) |
WO (1) | WO2018234311A2 (de) |
Families Citing this family (5)
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DE102020127038A1 (de) | 2020-10-14 | 2022-04-14 | Bessey Tool Gmbh & Co. Kg | Zwingenwerkzeugvorrichtung |
EP4384346A1 (de) * | 2021-08-13 | 2024-06-19 | BESSEY Tool GmbH & Co. KG | Spannvorrichtung und anlagevorrichtung für eine platte und verfahren zum einspannen mindestens eines werkstücks zwischen einer spannvorrichtung und einer anlagevorrichtung |
DE102021130286A1 (de) * | 2021-11-19 | 2023-05-25 | Bessey Tool Gmbh & Co. Kg | Zwinge mit drehbarer Vorschubvorrichtung |
US12083613B2 (en) | 2022-10-18 | 2024-09-10 | Techtronic Cordless Gp | Track saw including plunge lockout mechanism |
WO2024164065A1 (en) * | 2023-02-06 | 2024-08-15 | Tory Weber | Hand held clamping device with motorized clamping |
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-
2017
- 2017-06-23 DE DE102017113996.6A patent/DE102017113996A1/de active Pending
-
2018
- 2018-06-13 TW TW107120306A patent/TWI782993B/zh active
- 2018-06-13 TW TW111143176A patent/TWI833441B/zh active
- 2018-06-19 WO PCT/EP2018/066272 patent/WO2018234311A2/de active Application Filing
- 2018-06-19 EP EP18732754.9A patent/EP3641987B1/de active Active
- 2018-06-19 CN CN201880042027.3A patent/CN110785261B/zh active Active
- 2018-06-19 CN CN202210644844.4A patent/CN115008357A/zh active Pending
-
2019
- 2019-12-10 US US16/708,779 patent/US11541512B2/en active Active
-
2022
- 2022-08-31 US US17/823,533 patent/US11975430B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20220410349A1 (en) | 2022-12-29 |
DE102017113996A1 (de) | 2018-12-27 |
CN110785261A (zh) | 2020-02-11 |
TWI833441B (zh) | 2024-02-21 |
EP3641987B1 (de) | 2024-03-13 |
TW202308798A (zh) | 2023-03-01 |
US11541512B2 (en) | 2023-01-03 |
CN115008357A (zh) | 2022-09-06 |
WO2018234311A3 (de) | 2019-03-14 |
CN110785261B (zh) | 2022-07-08 |
US20200180117A1 (en) | 2020-06-11 |
WO2018234311A2 (de) | 2018-12-27 |
TWI782993B (zh) | 2022-11-11 |
TW201906693A (zh) | 2019-02-16 |
US11975430B2 (en) | 2024-05-07 |
EP3641987C0 (de) | 2024-03-13 |
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