Abstract:
Eine Handhabungsvorrichtung, insbesondere zum Positionieren eines Testkopfs (40) an einer Prüfeinrichtung, ist mit einer Halterung (30) für einen Testkopf (40) und mit einer Säule (10) versehen. An der Säule (10) sind mit dem Testkopf (40) verbundene Positionierungsmittel (20) in vertikaler Richtung verstellbar angeordnet. Eine solche Handhabungsvorrichtung zeichnet sich bei einfacher und kompakter Bauweise durch eine exakt wiederholbare und leichtgängige Bewegung des Testkopfs (40) aus. Grund hierfür ist, dass die Positionierungsmittel (20) wenigstens ein Paar voneinander beabstandeter Gelenkarme (21a, 22a, 22b) aufweisen, die jeweils an ihrem einen Ende an der Halterung (30) und an ihrem anderen Ende an einem in horizontaler Richtung verfahrbaren Schlitten angelenkt sind. Die Gelenkarme (21a, 22a, 22b) sind um eine vertikale Achse schwenkbar angeordnet. Die Schlitten (23a, 23b) sind unabhängig voneinander bewegbar.
Abstract:
The invention relates to a machine tool, comprising a machine frame, a support which is located on said machine frame and which has a first workpiece or tool holder; and a compound slide system which is located on the machine frame and which has a second workpiece or tool holder that can be displaced by means of the compound slide system within a range of movement on a compound slide displacement surface. The aim of the invention is to improve a machine tool of this type in terms of the characteristics of the compound slide system. To this end, the compound slide system comprises two slide elements, one of which is supported on the machine frame and the other of which supports the second holder. The slide elements are guided in such a way that they can be moved towards each other by means of a single two-dimensional guide that can be moved in the direction of both compound slide axes of motion. Said guide determines the precision of the guiding of the second holder parallel to the compound slide movement surface. A drive device is also provided and enables the slide element that supports the second holder to be moved and fixed in relation to the other slide element in both directions of movement of the compound slide, with defined alignment of the slide elements with each other.
Abstract:
The invention concerns a device (7) for moving and positioning an object in a plane, comprising a base structure, a mobile supporting member (10) and moving elements (12, 14, 16) each of which capable of being moved in translation, with some degree of freedom, relatively to the base structure, and has a rigid linking part (2, 4, 6) associated therewith. Each linking part is articulated at the moving element with which it is associated and at the mobile support member, such that it has exactly one degree of freedom in rotation relative to the moving element or to the mobile supporting member. The linking parts are further arranged such that the linking parts associated with the first two moving elements can pivot about a first pivoting axis (42), relative to the mobile support member, and the linking part associated with the third moving element can pivot about a second pivoting axis (44), relative to the mobile support member. The use of said device enables, in combination with the possibility of paralleling by distribution of axial movements between the part to be machined and the tool, on machine tools, to produce a machine with strictly parallel kinematics, for five-axes machining, without requiring the use of spatially parallel kinematics.
Abstract:
Described is a spindle-mounting head for a machine tool comprises a supporting body (2) comprising at least one arm (3) protruding up to its own end portion (3a), a tool-mounting spindle (6) rotatably connected to the arm (3) at the end portion (3a) to rotate about an axis of oscillation (A), wherein the spindle (6) comprises a tool-mounting body (6a) rotatable about its own machining axis (B) at right angles to the axis of oscillation (A). The head also comprises movement means (9) operatively interposed between the arm (3) and the spindle (6) to rotate it about the axis of oscillation (A), wherein the movement means (9) comprise at least one gear (10) constrained to the spindle (6) and coaxial with the axis of oscillation (A), a first (11) and a second motor (12) both housed in the arm (3) and coupled to the gear (10) at, respectively, a first and a second angular position in order to transmit rotary motion to the gear (10) about the axis of oscillation (A) and a control unit (13) associated with the first (11) and the second motor (12) and configured to control them in a complementary fashion to move the gear (10) and at the same time reduce the clearances.
Abstract:
A uni-directional tilt mechanism for supporting a robotic arm mechanism or other structures includes a simplified system of two motors (16) for tilting a support platform (12) in one dimension. The uni-directional tilt platforms (12) according to the invention may be stacked to provide a universally tiltable stacked platform system for supporting a robotic arm mechanism. The multi-directional tilt stacked platform system can be used to align a Z-axis to a transferred substrate with cassettes or workstations in which substrate is to be placed by the robot.
Abstract:
The invention relates to a parallel positioning mechanism, especially for machining and/or manipulation and/or measuring, consisting of a platform for the carrying and/or manipulation with, for instance, a tool, a workpiece, a measuring device or the like, wherein the platform is connected with the machine frame by means of at least one positioning arm, characterised in that the platform (3) is joint-connected with at least one sliding guide (4) via at least three rotatable joints (11) of which at least two are arranged on a positioning arm (6) for the connection with the sliding guide (4), wherein the axes of rotation of the rotatable joints are mutually parallel. The direct connection may be replaced by a plurality of positioning arms (6), in which case the connection of the platform (3) with the sliding guide(s) (4) is achieved by means of at least four positioning arms (6).
Abstract:
In a work centre (10) for machining parts in general, comprising at least one work unit (15) equipped with means (16) for machining the parts and further comprising support means (10B) for the parts, operatively associated with said work unit (15), wherein the work unit (15) is movable along a first and a second axis (X, Z) of translation perpendicular to each other and about two axes of rotation (A, B), and wherein the work unit (15) and the support means (10B) are movable in relative motion along a third axis of translation (Y 1 ' ; Y 2 ' ; Y 3 ' ; Y 4 ' ) arranged othogonally to the fourth axis (X¿1; X 2?; X 3 ; X4).