1548results about "Tool holders" patented technology

A tool holder for a tool for machining a workpiece. The tool holder has a cutting insert receptacle for receiving a cutting insert, wherein the cutting insert receptacle has an upper clamping jaw for abutting an upper surface of the cutting insert and a lower clamping jaw for abutting a lower surface of the cutting insert opposite the upper surface. Further, the tool holder has an internal coolant channel extending inside the tool holder between a coolant inlet opening and a coolant outlet opening, wherein an end portion of the coolant channel extending inside the upper clamping jaw along a channel center axis opens into the coolant outlet opening. The coolant outlet opening is arranged at the upper clamping jaw and configured as an elongated opening. A width of the coolant outlet opening is smaller than a height of the coolant outlet opening measured orthogonally to the width of the coolant outlet opening. The end portion of the coolant channel is also elongated in a cross-section orthogonal to the channel center axis. A width of the end portion measured orthogonal to the channel center axis is smaller than a height of the end portion measured orthogonal to the channel center axis and orthogonal to the width of the end portion.

A tool rest includes a plurality of attachment portions to which a plurality of tool holders are detachably attached respectively. Each of the tool holders includes a clamp mechanism for clamping a tool. The attachment portion includes a seat surface on which the tool holder is seated. The tool rest further includes: a first air channel to which air is supplied; a plurality of second air channels branched off from the first air channel and respectively extending toward the plurality of attachment portions, each of the plurality of second air channels being open to the seat surface of a corresponding one of the plurality of attachment portions; and a detector that is provided on a path of the first air channel and detects a state of an airflow.

A turning toolholder includes a shank, a club head, and a clamp and a clamp screw for clamping a cutting insert. The club head includes a clamp coolant supply hole in fluid communication, a flank coolant supply hole and an auxiliary rake coolant supply hole, all in fluid communication with the main coolant supply hole. Coolant is supplied through a rake coolant exit opening formed in the forward nose portion of the clamp to direct coolant to the top rake surface of the cutting insert, and coolant is supplied through a flank coolant exit opening located below the insert-receiving pocket to provide coolant to the side flank surfaces of the cutting insert. In addition, an auxiliary rake coolant supply housing formed on a top surface of the club head supplies additional coolant to the top rake surface of the cutting insert during high heat applications.

The invention discloses a horizontal five-axis turning and milling composite center with a self-adaptive matching system. The horizontal five-axis turning and milling composite center comprises a tool turret, a boring tool mechanism, a tool changing area and a control system. A radio frequency identification reading device is arranged in a tool changing area of the tool turret and the boring tool mechanism, and an RFID chip tag is attached to the outer surface of each tool and used for storing tool serial numbers, specifications and length compensation parameters. And the control system realizes self-adaptive matching and sequential error correction of the cutter and the working procedure through radio frequency identification. The tool changing area is provided with a visual monitoring assembly which comprises a plurality of sets of industrial cameras, an adjustable light source and a structured light stripe illumination module and is used for detecting the clamping posture, the abrasion state and the type of a tool. The system has self-learning and digital twinning simulation functions, and can simulate the motion trail of the cutter and predict the interference risk before the cutter is changed. According to the method, integrated control over automatic tool recognition, posture correction, abrasion detection and path prediction is achieved, and the tool changing precision, the operation stability and the automation level of the horizontal five-axis turning and milling composite center are remarkably improved.

The invention relates to the technical field of boring tools, in particular to an adjustable boring tool for stepped hole machining, which comprises a tool body, a tool apron is arranged at the lower end of the tool body, a tool bit is fixedly connected to the lower end of the tool apron, and the tool body is formed by combining an upper tool bar, a second tool bar and a tool bar sleeve; the tool has the beneficial effects that the tool is integrated with radial and axial adjusting mechanisms, so that the tool can be precisely adjusted in the radial direction and the axial direction in the machining process according to the diameters and the hole depths of different stepped holes, the upper portion of the tool bit is protected in cooperation with an introduced variable-diameter supporting mechanism, the tool apron and the tool bit are assembled and fastened, and the machining efficiency is improved. And effective support for stepped holes with different sizes is dynamically adjusted according to machining requirements, meanwhile, the rigidity of the tool is enhanced, the cutter relieving or vibrating phenomenon of a boring cutter is avoided, the grain cutting phenomenon of the boring inner wall is avoided, the flexibility of the cutter is improved, and the machining precision and stability are ensured.

The invention discloses a numerical control machine tool device convenient for changing the cutting angle of a cutter, and relates to the technical field of numerical control machine tools, the numerical control machine tool device comprises a main body structure, the main body structure comprises a machine tool body, one side of the top of the machine tool body is fixedly connected with a three-jaw chuck, one side of the three-jaw chuck is provided with a cutter rest, and the bottom of the cutter rest is fixedly connected with a cutter table; the centering assembly comprises a fixing bolt connected to the top of the tool rest in a threaded mode, and the surface of the fixing bolt is rotationally connected with a connecting plate. The centering assembly is used for replacing manual visual alignment, tool positioning is achieved, the tool positioning state can be switched under the conditions that a tool rest is not aligned, and the tool is obliquely installed due to abrasion, the tool can be obliquely installed according to actual requirements, and therefore the cutting angle can be conveniently adjusted and changed; and a cutter pushing-in-dust removal linkage mechanism is achieved through the dust removal assembly, so that it is guaranteed that the fixing bolt can be tightly attached to the top of the cutter when being fastened, the cutter can be ejected out in an auxiliary mode when the cutter is disassembled, and use convenience is improved.

A spindle for a polygonal hollow-shaft taper is proposed which permits optimal use of the interior of the spindle for receiving a clamping system and an optional cylinder structure.

The tool turret comprises a tool turret body, a tool disc, a motor and a tool apron, a first gear is arranged on the tool disc, a second gear is arranged on an output shaft of the motor, the first gear is meshed with the second gear, a first mounting groove is formed in the tool disc, the tool apron is inserted into the first mounting groove, and the tool turret is arranged in the first mounting groove. A limiting block is arranged on the cutter head in the axis direction of the cutter head in a sliding mode, the limiting block is located on the side, away from the tool turret body, of the cutter head, a limiting groove is formed in the tool apron, the limiting block is inserted into the limiting groove and limits the tool apron to be disengaged from the first installation groove, and a control mechanism used for controlling the limiting block to slide is further arranged on the tool turret body. By simplifying disassembly and assembly of the tool apron, the tool changing efficiency of the tool turret is improved, and the tool apron and the tool can be replaced by the manipulator.

A cutting tool for turning includes a cutting insert having a cutting edge, a holder for holding the cutting insert, a wireless communication unit for transmitting information based on a measurement result of a sensor attached to the cutting tool, an acceleration sensor installed in the holder, and a control unit for performing first control for controlling activation of the wireless communication unit based on the measurement result of the acceleration sensor.

The invention relates to the technical field of lathes, in particular to a cylinder sleeve machining multi-tool lathe with tool rests convenient to disassemble and assemble, which comprises a lathe body, a moving table is mounted on the lathe body, a bearing vertical plate is fixedly arranged at one end of the moving table, and mounting through holes are symmetrically formed in the bearing vertical plate; a bearing vertical plate is arranged on the movable table, positioning grooves are symmetrically formed in the movable table, locking insertion holes are symmetrically formed in the two ends of the interior of each positioning groove, matched connecting plates are symmetrically and fixedly arranged on the two sides of the end, close to the bearing vertical plate, of the movable table, and insertion channels are formed in the matched connecting plates. Positioning of the tool rests is achieved through cooperation of the bearing positioning plate and the positioning grooves, then the driving connecting plate is pushed, synchronous installation of the two tool rests can be achieved under the action of the installation inserting rods, meanwhile, automatic locking of the driving connecting plate can be achieved, installation firmness of the tool rests is guaranteed, and operation is easy, convenient and rapid.

To improve the precision of a stop position after the turret has rotated in a turret controller.SOLUTION: A turret lathe 100 comprises: a drive part 25, which rotates a turret 22, keeping a tool holder T including a tool t mounted to have 12 turret faces 23, on an axis C2; a control part 34, which controls the operation of the drive part 25; a reception part 31, which receives an input of information on a tool layout specifying an arrangement state that the tool holder T is mounted; a gravity center position calculation part 32, which calculates a gravity center position M' of the turret 22 on the layout on the basis of information on the inputted tool layout, information on the gravity and the gravity center position of the mounted tool holder T, and information on the gravity and the gravity center position in a single body of the turret 22; and an eccentricity calculation part 33, which calculates the eccentricity δ of the gravity center position M' to the axis C2, the control part 34 controlling the rotation speed of the turret 22 on the basis of the eccentricity δ.SELECTED DRAWING: Figure 4

The invention relates to the technical field of machine tools, in particular to a multi-tool-bit machine tool which comprises a workbench, a workpiece clamp is arranged on the workbench and comprises two clamping seats, the clamping seats are arranged at the two ends of the workbench in the length direction respectively, and clamping heads used for clamping workpieces are rotationally connected to the clamping seats. The clamping base is further provided with a driving motor used for driving the clamping head to rotate. A front tool apron is arranged on one side of the workpiece clamp in the length direction, a rear tool apron is arranged on the other side of the workpiece clamp, tool turrets used for installing tools are rotationally connected to the front tool apron and the rear tool apron correspondingly, rotating motors used for driving the tool turrets to rotate are further arranged on the front tool apron and the rear tool apron correspondingly, and the tool turrets on the front tool apron and the tool turrets on the rear tool apron do not interfere with each other. The front tool apron and the rear tool apron are arranged on the two sides of the workpiece clamp respectively and provided with the tool turrets and the rotating motors respectively, it is guaranteed that the front tool turrets and the rear tool turrets do not interfere with each other, workpieces can be machined in two directions at the same time, and the machining range and efficiency of the machine tool are improved.

The invention relates to the technical field of numerical control turning and milling machine tool turrets, and discloses a six-station turret of a numerical control turning and milling machine tool. The six rotating columns are rotationally arranged on the rotating disc in a penetrating mode, and a tool apron is fixed to one end of each rotating column; the fixing and driving mechanism is arranged in the machine shell and the supporting sleeve and comprises a fixing assembly, a driving and touching assembly and a double-driving part; the rotary injection mechanism rotationally penetrates through the machine shell and is located on the outer side of the fluted disc, and the rotary injection mechanism comprises a storage injection assembly, a pressing closing assembly and a triggering part; the rotary maintenance mechanism is rotationally connected to the rotary injection mechanism and comprises a rotary supporting assembly, a maintenance assembly and a transfer injection part; through linkage cooperation with the solid driving mechanism and the rotary injection mechanism, the maintenance assembly arranged in the rotary maintenance mechanism is arranged on the outer side of the tool over the rotary disc in a sleeving mode, full-coverage coating of anti-rust oil is achieved by combining rotation of the tool, automatic cleaning and anti-rust treatment are achieved, adhesion of metal chippings is reduced through double protection of a ring brush and sponge, and the service life of the tool is prolonged.

The invention discloses a double-spindle turning and milling composite machine tool, which relates to the technical field of numerical control machine tools, and comprises a vehicle body and two groups of spindle units, and each spindle unit comprises a first motor arranged on the upper surface of the vehicle body and a first slide rail arranged in the X-axis direction of the vehicle body. The machining device has the beneficial effects that two machined parts are driven to reach the double-end tool turret through the two main shafts at the same time, the two machined parts are machined at the same time through the double-end tool turret, the wiping blocks make contact with the outer walls of the machined parts by pushing the sliding blocks upwards, and metal chips attached to the outer walls of the machined parts are swept into the storage plates in the machining process; not only is high working efficiency realized, but also a machined part is cleaned.

The invention provides an integrated turning, milling and boring composite machine tool which comprises a machine tool body, a spindle box fixedly installed on the machine tool body, a center frame, a sliding seat, a tailstock and a reduction gearbox fixedly installed at the bottom of the sliding seat, and the outer side of the top of the sliding seat is connected with a sliding plate in a sliding mode. According to the integrated turning, milling and boring composite machine tool, the power tool turret, the first supporting block, the second supporting block, the pressing block and the bolt are installed on the same installation plate, the mounting plate can be driven by the servo motor to rotate by 180 degrees in the axial direction of the rotary table, meanwhile, the boring station and the turning and milling station of the composite machine tool are automatically switched, and in the process, the boring station and the turning and milling station of the composite machine tool do not interfere with each other and can machine parts independently; compared with a single-function lathe, milling machine and boring machine, the composite machine tool can carry out three working procedures of turning, milling and boring, the composite degree is higher, and the machining efficiency is higher.

The invention relates to a multi-tool-position metal cutting numerical control lathe which comprises a lathe body, a main shaft, an annular piece, a tool clamping mechanism and a feeding mechanism. The main shaft is rotatably mounted on the lathe body; the annular piece and the main shaft are coaxially arranged; the multiple tool clamping mechanisms are arranged in the circumferential direction of the annular part at intervals. Each tool clamping mechanism comprises a sliding base, a clamping base, a clamping plate and a limiting driving assembly. The sliding seat is mounted on the annular piece in a sliding manner along the radial direction of the annular piece; the clamping seat is rotatably mounted on the sliding seat; the multiple clamping plates are installed on the clamping base in a sliding mode, and the multiple clamping plates are arranged in a circular array mode with the axis of the clamping base as the circle center. The limiting driving assembly can drive the clamping plate to move so as to clamp the tool, and the limiting driving assembly can further limit rotation of the clamping base. Therefore, the cutters can be clamped, the angles of the cutters can be adjusted, and then the CNC system controls the feeding mechanism to drive the cutters to cut workpieces at the same time.

The invention relates to the technical field of machining, in particular to a parallel double-spindle double-station intelligent turning center which comprises a bottom plate, vertical plates extending upwards are fixedly connected to the left side and the right side of the bottom plate, first supporting seats are fixedly connected to the upper side of the bottom plate in a bilateral symmetry mode, and second supporting seats extending upwards are fixedly connected to the rear portion of the upper side of the bottom plate. The machining mechanism and the feeding and discharging mechanism are used in cooperation, the machining efficiency of workpieces can be effectively improved in a double-spindle and double-station synchronous machining mode, meanwhile, by means of an oblique feeding mode, the machining efficiency of the workpieces can be effectively improved, and the machining efficiency of the workpieces can be effectively improved. According to the tool turret assembly, the machining influence of cooling liquid and chippings on workpieces is effectively reduced, the follow-up cleaning time is saved, the tool can be rapidly assembled and disassembled, the assembling and disassembling efficiency of the tool turret assembly is effectively improved, installation is stable, and time and labor are saved in use.

A cutting insert includes at least two peripheral cutting edges. An insert holder assembly includes an insert holder which include an insert pocket and an ejector chamber connected by a through hole. The insert holder assembly includes an ejector member located at least partially in the ejection chamber, and a compressible biasing member. In an inner position, the biasing member exerts a compressive force on the ejector member. When the cutting insert is releasably attached to the insert holder by a fastening member which is connected to the ejector member, to constitute a fastened position of a cutting tool, the insert holder assembly is in the inner position and the fastening member clamps the cutting insert so that the insert lower surface abuts the pocket base surface.

The utility model provides a turret cutter cooling water supply valve group which comprises a valve body, a piston rod and a sealing ring, and a sliding cavity and a liquid inlet channel are formed in the valve body. The piston rod is in sliding fit in the sliding cavity, and a liquid outlet runner with one open end is formed in the piston rod; a cylindrical protrusion is arranged at the tail of the piston rod, a first liquid inlet hole communicated with the liquid outlet flow channel is formed in the side wall of the cylindrical protrusion, and the end of the cylindrical protrusion is a working face and used for sealing and generating axial thrust. The sealing ring is arranged between the sliding cavity and the liquid inlet channel, second liquid inlet holes communicating with the liquid inlet area and the liquid inlet channel are formed in the two ends of the sealing ring in a penetrating mode, and the edge of each second liquid inlet hole is provided with a main sealing face capable of being attached to the working face to form sealing. The tool turret tool cooling water supply valve set is compact in structure, convenient to install, fast in response, capable of greatly improving the reliability of water supply to a tool turret, stable and reliable in use and long in service life.

The invention discloses a double-main-shaft tool turret machine tool, which belongs to the technical field of machining, and is characterized in that the double-main-shaft tool turret machine tool comprises a base, a main shaft seat and a power tool turret, the main shaft seat is rotatably provided with a main shaft main body, and the end part of the main shaft main body is provided with a clamp for clamping a workpiece. The base is provided with a first linear driving module and a second linear driving module, the first linear driving module and the second linear driving module are both used for driving the power tool turret so that a tool on the power tool turret can be close to or away from a workpiece on the clamp, the first linear driving module is located on one side of the spindle seat, and the second linear driving module is located on the other side of the spindle seat. The first linear driving module drives in the axis direction of the main shaft body, the driving direction of the first linear driving module is relatively perpendicular to the driving direction of the second linear driving module, and the machine tool is compact in structure, high in space utilization rate and capable of effectively reducing occupied space and shortening the moving stroke of a tool.

The invention discloses a large-aperture precision automatic lathe with a Y structure, and relates to the technical field of precision automatic lathes. The device specifically comprises a base, the top of the base is provided with a first sliding rail, a second sliding rail and a third sliding rail, the exterior of the second sliding rail is slidably connected with a material receiving mechanism, the exterior of the third sliding rail is slidably connected with a conveying mechanism, and the top of the base is fixedly connected with a supporting seat; the large-aperture precision automatic lathe with the Y structure further comprises a power tool turret used for adjusting the height and the angle where a tool is located, the power tool turret is slidably connected to the outer portion of the first sliding rail and comprises a first workbench, a first sliding way is formed in the first workbench, a first sliding plate is slidably connected to the interior of the first sliding way, and a second sliding plate is slidably connected to the interior of the first sliding plate. The top of the first sliding plate is fixedly connected with an inclined frame, and the first workbench is slidably connected to the outer portion of the first sliding rail. According to the large-aperture precision automatic lathe with the Y structure, the purpose of improving the use efficiency of equipment is achieved.

A turning method for a computerized numerical control lathe includes providing a turning tool having a cutting portion, the cutting portion including a first nose portion, the first nose portion including a first cutting edge, a second cutting edge, and a convex nose cutting edge connecting the first and second cutting edges, wherein the first and second cutting edges are straight or substantially straight in a top view. The method further includes providing a metal work piece, rotating the metal work piece around a work piece rotational axis, and making a first pass where the first cutting edge is active and the second cutting edge is inactive. A first machined surface is generated by the convex nose cutting edge, and during at least a portion of the first pass, an entering angle and an angle, which the first cutting edge forms with the work piece rotational axis, simultaneously varies.

The full-automatic feeding and discharging numerical control machine tool comprises a machine body, a machine tool body is arranged on the machine body, a tailstock and a main shaft are sequentially arranged on the machine tool body in the length direction, the tailstock and the main shaft are coaxially opposite, and a machine tool inner protective cover and a tool rest table used for installing a tool turret are arranged on the machine tool body. The tool rest table achieves Z-direction movement through a Z-axis linear guide rail, a Z-axis ball screw and a screw end bearing, is driven and controlled by a Z-axis servo driver, achieves X-direction movement through an X-axis linear guide rail, an X-axis ball screw and a screw end bearing, and is driven and controlled by an X-axis servo motor and an X-axis servo driver. The servo motor and the driver drive the tool rest table to move along the X-axis and the Z-axis, the tool turret automatically changes tools, and the main shaft rotates for machining. The tailstock and the main shaft are matched to automatically clamp a workpiece, the oil pressure station provides power, pipeline maintenance components are automatically lubricated, the chip removal mechanism cleans cuttings, full-process automatic machining is achieved, and efficiency and precision are improved.

The utility model discloses a power tool turret for a numerical control machine tool, and belongs to the technical field of movable tool turret structures, the surface of a tool turret body is provided with a tool bit installation cavity, the interior of the tool bit installation cavity is communicated with an installation groove, the inner wall of the installation groove is fixedly provided with a positioning disc and a positioning rod, and the center position of the tool turret body is fixedly sleeved with a bearing sleeve. The inner wall of the bearing sleeve is rotationally connected with a connecting shaft through a bearing, the surface of the connecting shaft is fixedly connected with a fixing base in a sleeving mode, and positioning holes which are annularly distributed at equal intervals are formed in the side face of the fixing base. Therefore, the tool turret mounting cavity and a tool are rapidly positioned, the tool replacement efficiency is greatly improved, meanwhile, the machining angle of the tool is conveniently adjusted, automatic positioning can be achieved after the tool turret body rotates and is adjusted through the arranged fixing base, positioning holes and positioning rods, and the use convenience of the tool turret is greatly improved.

The invention belongs to the technical field of numerical control lathes, and discloses a numerical control lathe which comprises a lathe body, a gear box and a chuck assembly, the gear box is installed at the left end of the lathe body and used for controlling a spindle to rotate and providing energy for work of other parts, and the chuck assembly is installed on the outer side of the output end of the gear box. The chuck assembly comprises a main chuck fixedly connected with the output end of the lathe bed, the inner side surface of the main chuck is slidably connected with a clamping jaw, a bevel gear ring is arranged in the main chuck, the inner side surface of the main chuck is connected with a limiting chassis in a clamped mode, and the inner outer side surface of the limiting chassis is rotationally connected with the inner side surface of the bevel gear ring. The inner side surface of the main chuck is rotationally connected with an adjusting threaded column, the outer side surface of the adjusting threaded column is in threaded connection with the inner side surface of the clamping jaw, and the problems that a machined part is loosened in clamping and inconvenient to operate in the feeding and discharging process are solved.

A cutting tool has a cutting insert removably secured to a holding portion of an insert holder. The cutting insert has opposing first and second end surfaces with an insert peripheral surface and a central axis extending therebetween, at least one cutting portion, and at least one mounting cut-out. Each cutting portion has a cutting edge and an adjacent relief surface facing in a first rotary direction about the central axis. Each mounting cut-out extends between the first and second end surfaces and has a first flank surface and an adjacent first upper slope surface. The first flank surface faces in a second rotary direction about the central axis and the first upper slope surface faces away from a median plane located midway between the first and second end surfaces. The first upper slope surface extends away from the median plane with increasing distance from the first flank surface.

The invention discloses an ultra-precision optical centering lathe, and relates to the technical field of high-end lens machining. The ultra-precision optical centering lathe comprises a support, a lathe body, a stand column, a rotary table, an upper light pipe assembly, a lower light pipe assembly and a sliding table assembly, the lathe body is arranged on the support, the lower end of the stand column is arranged on the lathe body, the rotary table is installed on the lathe body and suitable for fixing a mirror set to be machined, and the upper light pipe assembly is arranged on the stand column. The upper light pipe assembly is used for calibrating the optical axis of the upper surface of the lens set, the lower light pipe assembly is arranged on the support and used for calibrating the optical axis of the lower surface of the lens set, the sliding table assembly is arranged on the stand column, a four-station tool turret is installed on the sliding table assembly, an optical confocal system is arranged in a first station on the four-station tool turret, and the optical confocal system is arranged in a second station on the four-station tool turret. An automatic measuring system is arranged in a second station on the four-station tool turret, an outer circle turning tool is arranged in a third station on the four-station tool turret, and an inner circle turning tool is arranged in a fourth station on the four-station tool turret.

The invention relates to a turret (10) comprising a body (11) extending along an axis AA, the latter comprising at one end a base (12) for mounting to a numerically controlled machine tool (20) and at the other end a rotatable head (13), the head (13) having at least two tool-holding spindles (14, 14', 14"), each intended to receive a cutting tool (15, 15', 15"), the spindles (14, 14', 14") occupying, depending on the angular position of the head (13), a working position in which they are intended to perform a machining operation on a workpiece held in position in a fixture (21) or a standby position in which they are withdrawn from the workpiece, each of said spindles (14, 14', 14") being configured to be driven independently of the other in order to immobilize or drive rotating the cutting tool (15, 15', 15") it carries, regardless of the position it occupies.