Abrégé

The device (1) for clamping workpieces on machine tools comprises: a base body (2); a clamping pin (3) movable along a direction of work (L) between an extended position and a retracted position; a blocking bushing (12) fitted around the clamping pin (3); a supporting assembly (15, 16) adapted to physically support the clamping pin (3) in the extended position and comprising: a supporting element (15) defining a respective first resting surface (15a); and shifting means (16) adapted to move the supporting element (15) along the direction of work (L) and to arrange it, when the clamping pin (3) is in the extended position, in a supporting configuration wherein the first resting surface (15a) is placed in contact with a respective second resting surface (3a) of the clamping pin (3).

Classes IPC  ?

• B23Q 3/10 - Dispositifs auxiliaires, p. ex. collets, allonges
• B25B 5/08 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des cames

Abrégé

The device (1) for clamping workpieces on machine tools comprises: a basic body (2); gripping means (7) associated with the basic body (2) and movable between a clamping configuration and a release configuration; a movement unit (8) which is associated with the basic body (2) and is adapted to move the gripping means (7) between the clamping configuration and the release configuration, comprising: a first slider (9a); a first clamping piston (11a) associated with the first slider (9a); a first release piston (12a) associated with the first slider (9a); a second slider (9b); a second clamping piston (11b) associated with the second slider (9b); a second release piston (12b) associated with the second slider (9b); and a friction compensation assembly (30, 31) associated with the clamping pistons (11a, 11b).

Classes IPC  ?

• B25B 5/16 - Parties constitutives, p. ex. mâchoires, fixations des mâchoires

Abrégé

The device (1) for clamping workpieces on machine tools comprises: a basic body (2) provided with a fluid-operated cylinder (3, 4, 5) containing a fluid under pressure; a stem (8, 9, 10) comprising an intermediate portion (8), a first end portion (9) and a second end portion (10); a clamping bracket (19, 20) associated with the first end portion (9) and movable at least between: a home position; and a work position; a first control assembly (25) for controlling the attainment of the work position; a second control assembly (36) for controlling the attainment of the home position.

Classes IPC  ?

• B23Q 3/08 - Moyens de fixation de la pièce autres que les moyens actionnés mécaniquement

Abrégé

The apparatus (1) for clamping workpieces on machine tools comprises: 1 a basic frame (2) attachable to a machine tool (M) for machining a workpiece (P); a first clamping assembly (3) and a second clamping assembly (4) movable between a release position and a clamping position of the workpiece (P); a fluid actuator (5, 6), provided with a fixed portion (5) and with a movable portion (6) connected to a drive assembly (7) associated with the clamping assemblies (3, 4); wherein the drive assembly (7) comprises a rocker element (9) associated in a rotatable manner with the movable portion (6), which comprises at least one curved thrust surface (10) arranged in thrust contact against the rocker element (9), wherein the rocker element (9) is rotatable on the curved thrust surface (10).

Classes IPC  ?

• B23Q 3/06 - Moyens de fixation de la pièce
• B23Q 3/08 - Moyens de fixation de la pièce autres que les moyens actionnés mécaniquement

Abrégé

The device (1) for clamping workpieces on machine tools comprises: - a base body (2); - a clamping pin (3) movable along a direction of work (L) between an extended position and a retracted position; - a blocking bushing (12) fitted around the clamping pin (3); - a supporting assembly (15, 16) adapted to physically support the clamping pin (3) in the extended position and comprising: - a supporting element (15) defining a respective first resting surface (15a); and - shifting means (16) adapted to move the supporting element (15) along the direction of work (L) and to arrange it, when the clamping pin (3) is in the extended position, in a supporting configuration wherein the first resting surface (15a) is placed in contact with a respective second resting surface (3a) of the clamping pin (3).

Classes IPC  ?

• B23Q 3/10 - Dispositifs auxiliaires, p. ex. collets, allonges
• B25B 5/00 - Presses ou serre-joints

Abrégé

The device (1) for clamping workpieces on machine tools comprises: - a basic body (2); - gripping means (7) associated with the basic body (2) and movable between a clamping configuration and a release configuration; - a movement unit (8) which is associated with the basic body (2) and is adapted to move the gripping means (7) between the clamping configuration and the release configuration, comprising: - a first slider (9a); - a first clamping piston (11a) associated with the first slider (9a); - a first release piston (12a) associated with the first slider (9a); - a second slider (9b); - a second clamping piston (11b) associated with the second slider (9b); - a second release piston (12b) associated with the second slider (9b); and - a friction compensation assembly (30, 31) associated with the clamping pistons (11a, 11b).

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
• B25B 5/16 - Parties constitutives, p. ex. mâchoires, fixations des mâchoires
• B23Q 3/06 - Moyens de fixation de la pièce
• B25B 1/18 - Dispositions pour transmettre le mouvement aux mâchoires à moteur, p. ex. à commande hydraulique, avec ou sans possibilité de commande manuelle

Abrégé

wherein the first sensing device (27) and the sensing sensor (16) are connectable to a control system adapted to authorize the machining of the workpiece (P) when the pressure of the first hydraulic fluid and the pressure of the air are simultaneously higher than their respective threshold values.

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
• B25B 5/16 - Parties constitutives, p. ex. mâchoires, fixations des mâchoires

Abrégé

The device (1) for clamping workpieces on machine tools comprises: a basic body (2) provided with a fluid- operated cylinder (3, 4, 5) containing a fluid under pressure; a stem (8, 9, 10) comprising an intermediate portion (8), a first end portion (9) and a second end portion (10); a clamping bracket (19, 20) associated with the first end portion (9) and movable at least between: a home position; and a work position; a first control assembly (25) for controlling the attainment of the work position; a second control assembly (36) for controlling the attainment of the home position.

Classes IPC  ?

• B25B 5/08 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des cames
• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires

Abrégé

The apparatus (1) for clamping workpieces on machine tools comprises: - a basic frame (2) attachable to a machine tool (M) for machining a workpiece (P); - a first clamping assembly (3) and a second clamping assembly (4) movable between a release position and a clamping position of the workpiece (P); - a fluid actuator (5, 6), provided with a fixed portion (5) and with a movable portion (6) connected to a drive assembly (7) associated with the clamping assemblies (3, 4); wherein the drive assembly (7) comprises a rocker element (9) associated in a rotatable manner with the movable portion (6), which comprises at least one curved thrust surface (10) arranged in thrust contact against the rocker element (9), wherein the rocker element (9) is rotatable on the curved thrust surface (10).

Classes IPC  ?

• B23Q 3/06 - Moyens de fixation de la pièce
• B23Q 3/08 - Moyens de fixation de la pièce autres que les moyens actionnés mécaniquement
• B25B 5/12 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des leviers articulés

Abrégé

a second piston (22) which is slidable along the main line (B1) between a starting position and an arrival position and which comprises an operating portion (23) joined to the self-centring locking elements (19).

Classes IPC  ?

• B23B 31/40 - Mandrins extensibles
• B25B 5/08 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des cames

Abrégé

The apparatus (1) for clamping workpieces on machine tools comprises: a basic frame (2) fixable to a machine tool (M) for machining a workpiece (P); a clamping unit (3); a hydraulic actuator (22, 23) comprising a first chamber (26) which can be supplied with a first pressurized hydraulic fluid and is connectable to a first sensing device (27) for sensing the pressure of the first hydraulic fluid; a sensing channel (15) which can be supplied with pressurized air and which is connectable to a sensing sensor (16) for sensing the pressure of the air; wherein the first sensing device (27) and the sensing sensor (16) are connectable to a control system adapted to authorize the machining of the workpiece (P) when the pressure of the first hydraulic fluid and the pressure of the air are simultaneously higher than their respective threshold values.

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
• B25B 5/12 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des leviers articulés
• B25B 5/16 - Parties constitutives, p. ex. mâchoires, fixations des mâchoires

Abrégé

The device (1) for restraining/locking mechanical parts on machines tools comprises: a hydraulic cylinder (2); a first piston (9) comprising a head (10) which projects from the hydraulic cylinder (2), the first piston (9) being slidable along a main line (B1); at least two self-centring locking elements (19) joined to the head (10) in such a way that they are movable along lines of sliding (B2) which are substantially transversal to the main line (B1); and movement means (21, 22) for moving the self-centring locking elements (19) between a retracted position and an extracted position, wherein the movement means (21, 22) comprise: a hydraulic chamber (21) made in the first piston (9); a second piston (22) which is slidable along the main line (B1) between a starting position and an arrival position and which comprises an operating portion (23) joined to the self-centring locking elements (19).

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
• B25B 5/08 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des cames

Produits et services

Machines and machine tools for treatment of materials and for manufacturing; engines, powertrains, and generic machine parts; bearing to shaft locking devices; clamping devices for use with machine tools; clamping devices being parts of machine tools; cutting tool blocks [parts of machines]; torque wrenches [machines]; workpiece clamping attachments [machines]; collets for power tools; chucks [parts of machines]; mechanically operated hand-held crimpers; workpiece clamping attachments [parts of machines]; clamp connectors for piping [parts of machines]; clamping tools for holding piece parts during machining; universal joints [cardan joints]; shaft couplings [machines]; pressure transformers; pressure reducers [parts of machines]; pressure controllers [valves] being parts of machines; valves; hydraulic valves; clack valves [parts of machines]; couplings for machines; shaft couplings as parts of machines; machine couplings [other than pipe]; hydraulic accumulators; hydro-pneumatic accumulators; hydraulic accumulators being parts of machines; drum filters; anti-pollution devices for motors and engines; filters for machines; pressure intensifiers [machines]. Safety, security, protection and signalling devices; scientific research and laboratory apparatus, educational apparatus and simulators; releasable locking devices [electric]; radio-frequency controlled locks; electronic locking mechanisms for safes; electric couplings; splice connectors [electric]; splice connectors [optical]; fibre optic couplings; cable splices for electric cables; pressure regulators (gauges); pressure transmitters; pressure measuring apparatus; push-on accumulators; pressure switches; pressure recorders; pressure scales; pressure indicators; pressure sensors; pressure transducers; solenoid valves [electromagnetic switches]; amplifying tubes; electric valves [thermionic]; coupling capacitors; alkaline accumulators; batteries, electric; battery jars; battery boxes; grids for batteries; electric batteries for vehicles; plates for batteries; batteries for electric vehicles; nickel-cadmium storage batteries; optical filters; electrostatic precipitators; magnetic filters; infrared filters; manometers.

Abrégé

The device (1) for locking workpieces on machine tools comprises:—a base body (2) fixable to a machine tool (M) and provided with an oil hydraulic cylinder (3, 4, 5); 5—a rod (8, 9) partly inserted in the oil hydraulic cylinder (3, 4, 5) slidably;—roto-translation means (14, 15, 16) designed to divide the motion of the rod (8, 9) into:—a first stretch (12) of roto-translation; and—a second stretch (13) of translation; 10—a clamp element (19, 20) associated with the rod (8, 9) and movable between:—a home configuration;—an intermediate configuration; and—an operating configuration; 15—at least a prismatic guiding body (21) associated with the base body (2) and prismatically couplable with the clamp element (19, 20) during the shifting of the rod (8, 9) along the second stretch (13).

Classes IPC  ?

• B23Q 3/00 - Dispositifs permettant de maintenir, supporter ou positionner les pièces ou les outils, ces dispositifs pouvant normalement être démontés de la machine
• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
• B25B 5/08 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des cames
• B25B 5/16 - Parties constitutives, p. ex. mâchoires, fixations des mâchoires

Abrégé

The device (1) for locking workpieces on machine tools comprises: —a first hydraulic cylinder (2) inside which at least one piston (3, 4) is inserted slidably along a main line (A); —a second hydraulic cylinder (15) inside which the first hydraulic cylinder (2) is inserted slidably along the main line (A), the feeding of a pressurised hydraulic fluid into a first chamber (8) being designed to apply to the first hydraulic cylinder (2) a primary force (F) that shifts the first hydraulic cylinder (2) from a home position to a second operating position; —an auxiliary chamber (28) provided between the first hydraulic cylinder (2) and the second hydraulic cylinder (15) and associated with pneumatic feeding means (29, 30, 31) designed to feed pressurised air into the auxiliary chamber (28), the feeding of the pressurised air applying to the first hydraulic cylinder (2) an auxiliary force (Fa) along the main line (A) in the same direction as and operating in conjunction with the primary force (F).

Classes IPC  ?

• B25B 5/12 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des leviers articulés
• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires

Abrégé

The device (1) for the locking of pieces on machine tools comprises: —a base body (2, 3, 4) fixable to a machine tool (M); —a gripping assembly (5, 6, 7) for gripping a piece (P) to be machined having a cavity (C) with a cavity axis (A1), the gripping assembly (5, 6, 7) comprising: —a main head (5) having a main axis (A3) and associated with the base body (2, 3, 4) with a lateral play adapted to allow the shift of the main head (5) along a plane of alignment (B) substantially orthogonal to the main axis (A3); —at least two self-centering locking elements (6) associated with the main head (5) in a movable way; and —movement means (7) of the self-centering locking elements (6); —removable locking means (18) adapted to temporarily lock the main head (5).

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
• B25B 5/08 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des cames
• B25B 13/50 - Clés à écrousClés anglaises pour des applications particulières pour travailler des pièces de forme particulière, p. ex. des tubes
• B23Q 3/06 - Moyens de fixation de la pièce

Produits et services

[ Machines and machine tools for treatment of materials and for manufacturing, namely, horizontal CNC (computer numerical control) machining centres, vertical CNC (computer numerical control) machining centres, turning centres and units, drilling centres and units, vertical and horizontal milling machines, milling and boring machines and units, universal machining centres, flexible manufacturing cells, flexible manufacturing systems, rotary indexing machines, transfer lines, threading machines and units, tapping machines and units; bearing to shaft locking devices as part of machines; ] clamping devices for use with machine tools, namely, clamps for use in the precision clamping of work pieces, metal clamps used for holding piece parts on machine tool tables, vices and jaws; clamping devices being parts of machine tools, namely, clamps for use in the precision clamping of work pieces, metal clamps used for holding piece parts on machine tool tables, vices and jaws; [ hydraulic torque wrenches; ] workpiece clamping attachments being parts of machines; [ collets for power tools; chucks for power drills; mechanically operated hand-held crimpers; ] workpiece clamping attachments being parts of machines; clamp connectors for piping being parts of machines; clamping tools for holding piece parts during machining; [ universal joints, namely, cardan joints not for land vehicles; shaft couplings for machines; ] pressure transformers, namely, pressure reducers as parts of machines; pressure controllers, namely, valves being parts of machines; valves being parts of machines; hydraulic valves for machines; clack valves being parts of machines; couplings for machines; shaft couplings as parts of machines; machine couplings other than for land vehicles; hydraulic accumulators being parts of machines; hydro-pneumatic accumulators being parts of machines; hydraulic accumulators being parts of machines; [ drum filters for horizontal CNC (computer numerical control) machining centres, vertical CNC (computer numerical control) machining centres, turning centres and units, drilling centres and units, vertical and horizontal milling machines, milling and boring machines and units, universal machining centres, flexible manufacturing cells, flexible manufacturing systems, rotary indexing machines, transfer lines, threading machines and units, tapping machines and units; anti-pollution devices for motors and engines; ] filters for machines, namely, high pressure hydraulic filters; pressure intensifiers being machines; none of the foregoing for use in connection with waterjet cutting machines or parts or accessories therefor, or equipment for use therewith [ Electronic releasable locking devices; radio-frequency controlled locks; electronic locking mechanisms for safes; electric couplings; splice connectors; fibre optic couplings; cable splices for electric cables; pressure regulators, namely, pressure gauges for monitoring hydraulic systems; pressure transmitters; pressure measuring apparatus; push-on accumulators; pressure switches for monitoring, controlling, and switching hydraulic systems; pressure recorders; pressure scales; pressure indicators; pressure sensors; pressure transducers that convert hydraulic pressure into analog electrical signals for monitoring and controlling hydraulic systems; solenoid valves; amplifying tubes; thermionic valves; coupling capacitors; alkaline accumulators; batteries, electric; battery jars; battery boxes; grids for batteries; electric batteries for vehicles; plates for batteries; batteries for electric vehicles; nickel-cadmium storage batteries; optical filters; electrostatic precipitators for reducing particulate emission in industrial applications; magnetic filters for cleaning oil in hydraulic systems; infrared filters; manometers ]

Abrégé

The device (1) for locking workpieces on machine tools comprises: - a first hydraulic cylinder (2) inside which at least one piston (3, 4) is inserted slidably along a main line (A); - a second hydraulic cylinder (15) inside which the first hydraulic cylinder (2) is inserted slidably along the main line (A), the feeding of a pressurised hydraulic fluid into a first chamber (8) being designed to apply to the first hydraulic cylinder (2) a primary force (F) that shifts the first hydraulic cylinder (2) from a home position to a second operating position; - an auxiliary chamber (28) provided between the first hydraulic cylinder (2) and the second hydraulic cylinder (15) and associated with pneumatic feeding means (29, 30, 31) designed to feed pressurised air into the auxiliary chamber (28), the feeding of the pressurised air applying to the first hydraulic cylinder (2) an auxiliary force (Fa) along the main line (A) in the same direction as and operating in conjunction with the primary force (F).

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires

Abrégé

The device (1) for locking workpieces on machine tools comprises: - a base body (2) fixable to a machine tool (M) and provided with an oil hydraulic cylinder (3, 4, 5); 5 - a rod (8, 9) partly inserted in the oil hydraulic cylinder (3, 4, 5) slidably; - roto-translation means (14, 15, 16) designed to divide the motion of the rod (8, 9) into: - a first stretch (12) of roto-translation; and - a second stretch (13) of translation; 10 - a clamp element (19, 20) associated with the rod (8, 9) and movable between: - a home configuration; - an intermediate configuration; and - an operating configuration; 15 - at least a prismatic guiding body (21) associated with the base body (2) and prismatically couplable with the clamp element (19, 20) during the shifting of the rod (8, 9) along the second stretch (13).

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
• B25B 5/08 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des cames
• B25B 5/16 - Parties constitutives, p. ex. mâchoires, fixations des mâchoires

Abrégé

The device (1) for the locking of pieces on machine tools comprises: - a base body (2, 3, 4) fixable to a machine tool (M); - a gripping assembly (5, 6, 7) for gripping a piece (P) to be machined having a cavity (C) with a cavity axis (A1), the gripping assembly (5, 6, 7) comprising: - a main head (5) having a main axis (A3) and associated with the base body (2, 3, 4) with a lateral play adapted to allow the shift of the main head (5) along a plane of alignment (B) substantially orthogonal to the main axis (A3); - at least two self-centering locking elements (6) associated with the main head (5) in a movable way; and - movement means (7) of the self-centering locking elements (6); - removable locking means (18) adapted to temporarily lock the main head (5).

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires

Produits et services

Machines and machine tools for treatment of materials and for manufacturing; Engines, powertrains, and generic machine parts; Bearing to shaft locking devices; Clamping devices for use with machine tools; Clamping devices being parts of machine tools; Cutting tool blocks [parts of machines]; Torque wrenches [machines]; Workpiece clamping attachments [machines]; Collets for power tools; Chucks [parts of machines]; Mechanically operated hand-held crimpers; Workpiece clamping attachments [parts of machines]; Clamp connectors for piping [parts of machines]; Clamping tools for holding piece parts during machining; Universal joints [Cardan joints]; Shaft couplings [machines]; Pressure transformers; Pressure reducers [parts of machines]; Pressure controllers [valves] being parts of machines; Valves; Hydraulic valves; Clack valves [parts of machines]; Couplings for machines; Shaft couplings as parts of machines; Machine couplings [other than pipe]; Hydraulic accumulators; Hydro-pneumatic accumulators; Hydraulic accumulators being parts of machines; Drum filters; Anti-pollution devices for motors and engines; Filters for machines; Pressure intensifiers [machines]. Safety, security, protection and signalling devices; Scientific research and laboratory apparatus, educational apparatus and simulators; Releasable locking devices [electric]; Radio-frequency controlled locks; Electronic locking mechanisms for safes; Electric couplings; Splice connectors [electric]; Splice connectors [optical]; Fibre optic couplings; Cable splices for electric cables; Pressure regulators; Pressure transmitters; Pressure measuring apparatus; Push-on accumulators; Pressure switches; Pressure recorders; Pressure scales; Pressure indicators; Pressure sensors; Pressure transducers; Solenoid valves [electromagnetic switches]; Amplifying tubes; Electric valves [thermionic]; Coupling capacitors; Alkaline accumulators; Batteries, electric; Battery jars; Battery boxes; Grids for batteries; Electric batteries for vehicles; Plates for batteries; Batteries for electric vehicles; Nickel-cadmium storage batteries; Optical filters; Electrostatic precipitators; Magnetic filters; Infrared filters; Manometers.