摘要:
A tool holding system for a rotary power tool is configured to clamp around a working tool when the working tool is inserted in the tool holding system. The tool holding system includes a sleeve having a frustroconical inner surface portion, a collet having frustoconical outer surface portion complementary to the inner surface portion, a spring mount operably connected to a motor for rotation by the motor, and a spring. The spring includes a first end portion operably connected to the collet to bias the collet toward a first position whereat the outer surface portion engages the inner surface portion, and a second end portion rotationally fixed with respect to the spring mount.
摘要:
A tool holding system for a rotary power tool is configured to clamp around a working tool when the working tool is inserted in the tool holding system. The tool holding system includes a sleeve having a frustroconical inner surface portion, a collet having frustoconical outer surface portion complementary to the inner surface portion, a spring mount operably connected to a motor for rotation by the motor, and a spring. The spring includes a first end portion operably connected to the collet to bias the collet toward a first position whereat the outer surface portion engages the inner surface portion, and a second end portion rotationally fixed with respect to the spring mount.
摘要:
A conventional ball lock mechanism has been replaced with a wedge adapted to lock a tool, such as a punch, forming tool or die bushing in a retainer block in which the tool can be accurately positioned relative to the retainer block. The tool is released by moving the wedge away from the retainer block. The inclined surface of the wedge may be inclined upward or downward at an acute angle to the vertical, or the wedge may have both upwardly and downwardly inclined surfaces. The upper portion of the tool is preferably non-circular and is held within a tool cavity formed when the wedge is disposed in the retainer block. One surface of the wedge (its tool-mating surface) is adapted to correspond to the surface of the tool in contact with the wedge. The assembly of wedge slidably disposed within the retainer block is preferably used with a hardened backing plate rather than being secured directly to the die shoe. Several embodiments for securing the wedge in the retainer block are described in each of which the wedge is vertically translatable. The preferred method for forming the wedge is to cut it from a block of hardened tool steel with a wire electric discharge machine.
摘要:
A locating means (13) adapted to be supported from one element (11) for engagement with another element to retain the two elements in engagement with each other, the locating means comprising a lug (39) to be displaceable between an extended position at which it extends from the locating means and a retracted position at which it is located inward of the extended position, a driving member (29) slidably supported from the one element the lug and driver having at least two opposed faces, the other element having an abutment which is intended in use to be engaged by the lug when the lug is in the extended position and the two elements are in engagement with each other in order to retain the elements in said engagement with each other, the opposed faces being configured such that movement of the driving member relative to the lug causes the displacement of the lug. A supporting arrangement to support a rotary gig which is adapted to support at least one work-piece from a drive head (11) to enable machining of the work-piece in which the supporting arrangement utilises the locating means is also claimed.
摘要:
Le dispositif comprend un mandrin (10) conçu pour être rendu solidaire de l'outil de travail et qui comporte une cavité frontale (12) de réception de l'extrémité de la tige de perçage (14), une pince pour accrocher l'extrémité de ladite tige (14) dans cette cavité (12) et actionnée par des pistons (22) pneumatiques ou hydrauliques coulissant dans une chambre cylindrique fermée à l'arrière par un bouchon (30). Pour éviter une usure rapide de ce bouchon, un ressort (32) est disposé entre ledit bouchon (30) et la face adjacente du piston (22), ce ressort (30) étant suffisamment puissant pour maintenir le piston (22) à l'écart du bouchon (30).
摘要:
® Bei einer Spannvorrichtung zum Einspannen eines Werkzeugschaftes in einen Spannkonus unter Verwendung einer Spannzange ist vorgesehen, daß die Spannzange (10) durch einen federbelasteten Druckring (14) in Einspannstellung gedrückt wird, wobei der Druckring gegen die Kraft der Federn (15) durch ein unter Druck stehenden Mediums derart verschiebbar ist, daß sich die Spannzange (10) aus der Einspannstellung wieder herausbewegt.
摘要:
The invention relates to a clamping device comprising a base body (2) which comprises a central receiving element (5) for a component or tool which is to be clamped. At least one groove (6) is embodied in the base body (2), which is open towards the front side of said base body (2). Said clamping device also comprises at least one clamping wedge (9b) which can be pressed in an axial manner into the groove (6) from the open front side thereof, by radial deformation of an inner wall section (7) which is arranged between the groove (6) and the receiving element. The invention is characterised in that the wall (10), which defines the groove (6) on the outside, is elastic at least over an axial partial section in such a manner that it is elastically deformed in the outward direction when the at least one clamping wedge (9b) is pressed into the groove (6).
摘要:
The invention relates to a clamping device comprising a base body (2) which comprises a central receiving element (5) for a component or tool which is to be clamped. At least one groove (6) is embodied in the base body (2), which is open towards the front side of said base body (2). Said clamping device also comprises at least one clamping wedge (9b) which can be pressed in an axial manner into the groove (6) from the open front side thereof, by radial deformation of an inner wall section (7) which is arranged between the groove (6) and the receiving element. The invention is characterised in that the wall (10), which defines the groove (6) on the outside, is elastic at least over an axial partial section in such a manner that it is elastically deformed in the outward direction when the at least one clamping wedge (9b) is pressed into the groove (6).
摘要:
The invention relates to a device for coupling two parts (10, 12), for example two tool parts. The first part (10) comprises a cylindrical adapting journal (14) and a radial flat surface (22) which limits the adapting journal by the base (28) thereof and is radially protruded, whereas the second part (12) is provided with a receiving sleeve (16) with the cylindrical internal surface (32). The invention also relates to a clamping device (20) which, during clamping, enables the adapting journal (14) to be inserted into the receiving sleeve (16) and to be pressed thereto between the flat surface (22) and a front surface (24). In order to guarantee an exact centring of the parts with the aid of simple means, the inventive receiving sleeve is provided with a lower conical part (34) diverging from the internal cylindrical surface towards the front surface and the adapting journal is provided with an elastically deformable centring ring (29) which is arranged at the level of the base and is provided with an external conical part complementary to the lower conical part (34).