26 results about "Lathe center" patented technology

A lathe center frame coaxial precision measuring device belongs to the technical field of machine tools and comprises a lathe, a chuck, an adjusting sleeve, a detection rod, a center frame, a tail frame and a detection device, the chuck is in transmission connection with a spindle of the lathe, the adjusting sleeve is fixedly connected with the chuck, one end of the detection rod extends into the adjusting sleeve, the detection rod is located between the chuck and the tail frame, and the center frame is installed on the lathe. The center frame is located between the chuck and the tail frame and corresponds to the detection rod, and the detection device is movably installed on the lathe. The utility model has the beneficial effects that when the adjusting sleeve is arranged to calibrate the detection rod and measure the precision of the center frame, the adjusting sleeve and the center frame support the detection rod, the influence of a tail frame in the detection process is eliminated, the coaxial precision of the lathe spindle and the center frame can be measured through visual metering, and the measurement is more accurate.

According to the machining system and method for machining the revolving body through hole thin-wall shell, firstly, a smooth surface expansive force central spindle is aligned and clamped on a lathe clamp, the central spindle is installed on the through hole thin-wall shell with an inner hole machined in place, axial and radial positioning is achieved, then a lathe center is driven to push a conical face ejecting block, and the through hole thin-wall shell is machined in place. The elastic expansion sleeve and the smooth expansion sleeve are expanded through the two conical surface pairs, so that the smooth expansion sleeve is expanded slightly in the radial direction, the outer surface of the smooth expansion sleeve, namely the smooth support, forms high-rigidity support for the inner hole of the through hole thin-wall shell, and then the thin-wall outer circle is subjected to semi-finish turning and finish turning; after turning, the center of the lathe is withdrawn, compressed air is blown into an air chamber from an air inlet through an air gun, the conical surface ejector block is pushed away, the elastic expansion sleeve and the smooth surface expansion sleeve rebound, the smooth surface support is shrunk, parts are detached, and machining is completed. The device has a high-rigidity integral structure and local thin-wall support, can ensure high-rigidity support on a processing surface, avoids the influence of factors such as local cutter relieving and clamping deformation on the processing precision, and is extremely high in processing precision of the thin-wall outer diameter.

The utility model is suitable for the technical field of lathes, and provides a numerical control vertical lathe type lathe center device which comprises a machine tool table, a main shaft fixing cover, a main shaft, a main shaft and a main shaft, the flange base is mounted on the main shaft fixing cover; the supporting assembly is installed on the flange base, and a rotatable tip is installed on the supporting assembly; and the clamping assembly is installed on the machine tool spindle, one end of the workpiece is located in the clamping assembly, and the other end of the workpiece is tightly jacked through the rotatable tip. Due to the arrangement of the clamping assembly and the rotatable tip, when a workpiece is machined, the rotatable tip is firstly driven to be away from the main shaft of the lathe, one end of the workpiece is fixed in the clamping assembly, then the rotatable tip is driven to rotate to the position above the rotating shaft of the main shaft of the lathe, the tip is automatically pressed downwards to tip the workpiece, and normal machining can be achieved.

The utility model discloses a numerically controlled lathe centering clamp which comprises a horizontally-arranged supporting platform, and a limiting plate is fixedly installed on the supporting platform. The first clamp seat and the second clamp seat are located at the upper end of the supporting platform and are oppositely arranged, and through holes are formed in the first clamp seat and the second clamp seat in a penetrating mode; the two first clamping mechanisms are respectively distributed on the first clamp seat and the second clamp seat; and a second clamping mechanism. The centering clamp of the numerical control lathe is simple in structure, has different clamping modes for different workpieces and is wide in application range, and the first clamping mechanism and the second clamping mechanism are each provided with an elastic buffering structure so that the workpieces can be prevented from being damaged; and the arranged second clamp base can be taken down and turned over for use, clamping in different directions can be provided for pipe fittings or shaft workpieces, and practicability is improved.

The utility model relates to the technical field of sleeping car center frames, in particular to a sleeping car center frame anti-burn suite which comprises a stand and a rail plate, the rail plate is fixedly connected to the top end of the stand, a hydraulic rod is fixedly connected to the inner side of the rail plate, a frame body assembly is fixedly connected to one side of the hydraulic rod, and a heat absorption roller assembly is rotationally connected to the inner side of the frame body assembly. The frame body assembly comprises a movable table, a rail groove is formed in the inner side of the movable table, an inclined plate frame is fixedly connected to the top end of the movable table, a shaft hole is formed in the inner side of the inclined plate frame, and a baffle is fixedly connected to the inclined plate frame through a fixing bolt; according to the turning center frame, heat generated by a workpiece is absorbed and dispersed in the turning process, the temperature of the contact area of the workpiece and the center frame is effectively reduced, and therefore burn or damage is prevented.

The utility model relates to the technical field of lathe center frames, in particular to a lathe center frame which comprises a base, a clamping arm is hinged to the surface of the top end of the base through a rotating shaft, rail grooves used for connection are formed in the surfaces of the two side edges of the periphery of the base and the surfaces of the outer side walls of the clamping arm, and rail seats used for supporting are installed on the inner sides of the rail grooves in a sliding mode. The surface of the outer side wall of the rail seat, the surfaces of the two side edges of the periphery of the base and the surfaces of the outer side walls of the clamping arms are all coated with scale marks used for measurement. When the lathe center frame is used, the base and the rail base on the surface of the clamping arm can be moved, so that the rail base can slide and move on the inner side of the rail groove and conveniently drive a bearing body to be close to a workpiece in the middle, and meanwhile, scale marks are arranged on the surfaces of the rail base, the clamping arm and the base. And a worker can more clearly know the distance that the rail base penetrates through the base and the clamping arm, and the worker can more conveniently control the center frame.

The utility model belongs to the technical field of numerical control lathes, and particularly relates to a lathe tailstock displacement structure which comprises hydraulic cylinders and further comprises an adapter plate, the two hydraulic cylinders are symmetrically fixed to the two sides of a lathe tailstock, and the adapter plate is fixed to the ends of piston rods of the two hydraulic cylinders. The fixing rod is fixed to the middle of the adapter plate and used for being connected with a lathe center and driving the lathe center to move. According to the utility model, through synchronous driving of the two hydraulic cylinders, stable operation can be realized in a high-load application scene, and the hydraulic cylinders are fixed on the side surface of the lathe tailstock, so that on one hand, the problem of inconvenience in maintenance during built-in installation is effectively avoided; and on the other hand, the problem that the stability is poor when the hydraulic cylinder is fixed to the tail end of the lathe tailstock is solved.

The utility model provides an automatic detection device for the center of a bar feeder, which belongs to the technical field of bar feeding auxiliary devices and comprises a laser transmitter and a laser receiver. The laser transmitter is fixedly arranged on the lathe through a fixing block; the laser receiver is fixedly arranged on a synchronous box of the feeder through a fixing seat and is over against the laser transmitter; a reflector plate is arranged on the fixed seat; a through hole is formed in the center of the reflector plate, and a plurality of target rings concentric with the through hole are arranged on the surface of the reflector plate; and the through hole is over against the laser receiver. The device is simple in structure, convenient to install, capable of accurately judging whether the feeder and the center of a machine tool deviate or not through cooperation of the laser transmitter, the laser receiver, the transmitting piece and other components, easy and visual to operate, convenient for workers to judge and higher in accuracy.

The utility model discloses a novel improved four-point type lathe center frame which comprises a base, a fixed outer ring is installed on the base, a rolling inner ring is arranged on an inner ring of the fixed outer ring, and an adjustable bearing seat is arranged on an outer ring of the fixed outer ring. Rolling bearings are arranged on the adjustable bearing seats, the rolling bearings abut against the outer ring of the rolling inner ring, locking mechanisms are arranged on the adjustable bearing seats, and the locking mechanisms are used for locking the adjustable bearing seats on the fixed outer ring; operation is convenient, time and labor are saved, and product quality is improved.

1. The name of this design product: lathe center frame. 2. Purpose of this design product: This design product is used as an auxiliary clamping device when machining long shaft parts on a lathe. 3. The key design point of this appearance design product lies in the overall shape of the appearance design. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a novel lathe center frame device, and relates to the technical field of lathe center frames. Comprising a bottom frame and a top frame which are detachably connected. The bottom frame is arranged in a U shape, a pressing plate is installed at the bottom of the bottom frame and suitable for being installed in a lathe guide rail, and a connecting groove is formed in the bottom of the bottom frame and connected with the lathe guide rail. The bottom frame and the top frame are each provided with a jacking assembly, each jacking assembly comprises a guide sleeve, the guide sleeves are fixedly installed in the bottom frame or the top frame, adjusting pieces are installed in the guide sleeves, jacking head bodies are installed at the ends of the adjusting pieces, rolling wheels are installed on the jacking head bodies, and the rolling wheels are suitable for being movably connected with the surface of a workpiece; the top frame is downwards provided with a circular run-out detection piece which is suitable for detecting circular run-out of the surface of the workpiece. According to the utility model, the technical segmentation of circle run-out detection and cleaning in the prior art is solved, and the technical effects of workpiece surface cleaning and circle run-out detection are realized by integrating the central frame.

The present invention discloses a fixture for a clamping cylinder assembly, which includes a mandrel. The two ends of the mandrel are respectively provided with a first positioning component and a second positioning component, and the mandrel has an axial limiting structure for restricting the axial distance between the two positioning components. The first positioning component axially positions and radially limits the first mounting edge. The second positioning component is used for axially pressing the second mounting edge so as to axially press the cylinder assembly onto the first positioning component. The second positioning component includes a pressing member for pressing on the second mounting edge and an adjusting member for adjusting the axial pressing force of the pressing member. The axial limiting structure of the mandrel keeps the two positioning components at a fixed axial distance. The lathe center is abutted against the mandrel, and the workpiece is pressed by the pressing member with a controllable axial pressing force and is not affected by the pressing force of the lathe, avoiding the compression of the corrugated cylinder due to the excessive axial pressing force of the lathe center and the rebound of the corrugated cylinder when the clamping is removed after processing, resulting in unqualified processing dimensions.

A tool holding device for positioning a cutting tool on a centerline of a lathe is disclosed, including a cutting tool releasably attached to a cutting tool clamp. A main body is connected to the cutting tool clamp, wherein the main body being connectable to a lathe spindle. The cutting tool clamp is machined at an eccentric centerline of the main body to enable a centerline of the cutting tool to be positioned in-line with a centerline of the lathe spindle.

The utility model discloses a special center sleeve for turning a pole piece roller with a blind hole structure, which belongs to the technical field of machining and comprises a center sleeve body with the head abutted against the blind hole of the pole piece roller and the tail used for positioning a lathe center. The head of the center sleeve body is conical, the tail of the center sleeve body is a cylinder, and a positioning hole matched with a lathe center is formed in the tail of the center sleeve body. The positioning hole is a blind hole with a tip, the tail end of the blind hole extends towards the periphery to form an opening angle, and the diameter of the tail of the center sleeve body is larger than that of the blind hole. The lathe center is convenient to use, saves time required for replacing the lathe center, and improves working efficiency.

The embodiment of the application provides an automatic roller shaft processing system, and relates to the technical field of automation. The automatic roller shaft processing system comprises a raw material transplanting conveying line, an AGV, a surfacing machine tool, a production line transfer table, a cooling table, a feeding and discharging mechanism, an external cylindrical lathe, an internal cylindrical lathe, an in-out line platform, a semi-finished product transplanting conveying line, a lathe centering mechanism and a laser marking machine. The AGV trolley transports materials, and the feeding and discharging mechanism automatically feeds and discharges materials during movement between mechanisms, so that automatic feeding and discharging of products are realized without manual operation. The application solves the technical problems of low overall efficiency and high labor cost of a roller shaft processing system in the prior art by manual operation.

The utility model relates to a flexible lathe center bracket device which comprises a plurality of C-shaped brackets matched with rollers, the C-shaped brackets are coaxially arranged, each C-shaped bracket is provided with a notch, the C-shaped brackets are provided with a plurality of flexible supporting parts and a plurality of driving parts, and the driving parts are arranged on the flexible supporting parts. The flexible supporting parts are arranged on the inner side of the C-shaped bracket in an array mode, the driving part is used for driving the flexible supporting parts to be close to or away from the center of the C-shaped bracket, each flexible supporting part comprises a supporting plate, a plurality of springs are arranged at the positions, close to the center of the C-shaped bracket, of the supporting plates, dampers are inserted into the inner sides of the springs, and the dampers are connected with the driving part. The ends, away from the supporting plates, of the springs are connected with abrasion-resistant blocks. According to the utility model, the roller can be effectively limited through the flexible support, so that the condition of derailing in the process of rotating and adjusting the position of the roller is avoided.

The utility model relates to a middle cutter bar of a lathe. The middle cutter bar comprises a main bar, an auxiliary bar and a middle bar, the main rod is a slender hard rod, the auxiliary rods are thicker than the two ends of the main rod and are consistent in diameter, the diameter of the middle rod is larger than that of the auxiliary rods, and the main rod and the middle rod are located in the middle of the main rod, at the joint of the main rod and the auxiliary rods and at the joint of the main rod and the middle rod and located on the same horizontal line. Multifunctional machining is achieved through a specific structure, machining of a boss face and a brake face of a brake disc is achieved through a single middle cutter bar, the machining efficiency is improved, the working procedure machining is shortened, the cutter changing time is shortened, the device is suitable for medium and small batch production, and the connecting positions of a main bar, a middle bar and an auxiliary bar are in fillet transition; the center line of the main rod and the center line of the middle rod are offset from the center line of the auxiliary rod, the included angle range is specific, the machining flexibility is improved, a cutter pad and a blade groove are gapless, heat treatment HRC40-50 is conducted, the surface of the cutter rod is blackened, and the cutter rod is provided with an alloy pressing plate in an inlaid mode.

The utility model relates to a horizontal lathe center frame which comprises a center frame upper body and a center frame lower body, the center frame upper body is arranged at the upper end of the center frame lower body, and one end of the center frame upper body is rotatably connected with one end of the center frame lower body through a pin shaft. The other end part of the center frame upper body is detachably connected with the other end part of the center frame lower body through a swing bolt; penetrating holes are formed in the upper end of the center frame upper body and the two ends of the center frame lower body, a guide cylinder is arranged in each penetrating hole, the upper end of each guide cylinder is connected with a steel pipe sleeve, and a gland is arranged at the upper end of each steel pipe sleeve; an ejector rod is arranged in each guide cylinder, an adjusting lead screw is arranged at the upper end of the gland, and the lower end of the adjusting lead screw downwards penetrates through the gland and extends into the steel pipe sleeve to be rotationally connected with the ejector rods. Compared with the prior art, the steel pipe sleeve is arranged at the upper end of the guide cylinder, so that the maximum outer circle of a workpiece can be supported and positioned to be 860 mm, the production requirement is met, and the production cost is reduced.

The invention discloses a centerless lathe center calibration tool and method for round steel turning, and belongs to the technical field of centerless lathe calibration. The calibration tool comprises a calibration rod and a positioning disc, wherein the center of the positioning disc is provided with a positioning hole with the same diameter as the calibration rod, and the outer ring diameter of the positioning disc is the same as the outlet diameter of the middle and rear guide device. The calibration tool is simple in structure and convenient to operate, and calibration of a front centering wheel set, a rear orientation wheel set and a rear clamping device of a front clamping and conveying device, a middle guide device and a rear guide device of the centerless lathe can be rapidly and accurately achieved.

The utility model relates to the technical field of special-shaped shaft head machining, in particular to a lathe center frame clamp suitable for a special-shaped shaft head, which comprises a center frame, a barrel is arranged at the center of the center frame, a clamping device for fixing the barrel is arranged on the center frame, the clamping device comprises a clamping rod, a rotating button is arranged at the top end of the clamping rod, and the rotating button is arranged on the clamping rod. A fixing piece is arranged in the top end of the clamping rod, and an elastic spring is arranged at one end of the fixing piece. The clamp is placed on the center frame, secondary fastening and clamping are conducted on the special-shaped shaft head through the clamp, rapid concentricity alignment of the large-diameter roller body and the special-shaped shaft head is achieved, the center frame of a machine tool is not damaged, the service life of the fastening contact face of the center frame is greatly prolonged, production efficiency is improved, and the clamp is simple in structure, easy to machine and low in cost. The equipment investment is low.

The utility model discloses a turbine rod machining tool, relates to the technical field of machining tools, aims to solve the problem that tips on two sides cannot be quickly centered and positioned when a turbine rod is machined, and comprises a tip sleeve which can be detachably mounted on a lathe spindle seat, a center opening allowing a lathe center to pass through is formed in one side of the center sleeve, a positioning end cover is detachably installed on one side of the center sleeve, and a positioning opening is formed in the center of the positioning end cover. According to the rapid centering and positioning tool for machining the turbine rod, centering and positioning of the turbine rod can be rapidly and accurately achieved, when the same batch of workpieces are machined, the centering and positioning step can be completed only by inserting turbine blades of the workpieces into positioning openings when the workpieces are fixed every time, the machining efficiency and the machining precision are greatly improved, and the machining cost is reduced. By replacing the positioning end cover with the matched positioning opening, the machining requirements of turbines of different sizes can be met.

The utility model relates to the technical field of lathe machining auxiliary equipment, and discloses a lathe center frame self-centering device which comprises a main base, an upper supporting piece, a left supporting piece, a right supporting piece, an upper bolt, a lower bolt, a locking nut, a V-shaped assembly and two positioning pieces. The V-shaped assembly, the left supporting piece and the right supporting piece are driven to move up and down at the same time by adjusting the height of the lower bolt which is spirally rotated, a workpiece reaches the center position of a machine tool, the lower bolt is locked through the locking nut after the workpiece is in place, the positioning bolt is loosened, the upper supporting piece freely slides to make contact with the workpiece, and the upper bolt is spirally rotated to lock the upper supporting piece. Therefore, the centering and supporting effect of the workpiece is realized; according to the device, an original centering mode is changed, the structure of the device is optimized, rapid and accurate centering is achieved, the working efficiency is remarkably improved and the maintenance cost is reduced by simplifying the adjusting process and using standardized assemblies, and the device has the advantages of being simple in structure and low in cost and is suitable for various lathe machining centering occasions.

1. The name of this design product: lathe center frame. 2. Purpose of this design product: This design product is used as an auxiliary clamping device when machining long shaft parts on a lathe. 3. The key design point of this design product lies in the overall shape of the design. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a turning mechanism which comprises a triangular lathe frame. The triangular lathe frame is installed on a turning lathe, the lathe center is installed at one end of the triangular lathe frame, the turning part body is arranged at one end of the lathe center, the connecting column is arranged at one end of the turning part body, the connecting ring is installed at one end of the connecting column, the center column is installed at one end of the connecting ring, and the fixed center is installed at one end of the center column. The turning part main body is mounted between the lathe center and the fixed center; the lathe center, the fixed center and the like are arranged, the two ends of a to-be-turned part are clamped through the lathe center and the fixed center, the to-be-turned part is fixed through the thread on the center column and the sleeve, one-way locking is achieved through the T-shaped thread, and anticlockwise rotation is achieved during locking; when the main shaft rotates reversely, force brought by rotation of the main shaft can be counteracted, so that clamping is more relaxed, the situation that the machining precision is affected by the turning-around phenomenon during turning is avoided, and turning efficiency is improved.

The utility model belongs to the field of machining equipment, concretely relates to a lathe centre sleeve set for automobile turbocharger rotor shaft production, including mounting disc, the inside slip connection of mounting disc has sleeve kit no.

The utility model discloses lathe center equipment which comprises a first protective ring, and a second protective ring is arranged on the outer wall of the first protective ring. The first protective ring comprises a protective ring A, two reinforcing ribs are welded to the outer wall of the protective ring A, the second protective ring comprises a protective ring B, and a penetrating hole is formed in the outer wall of the protective ring B; according to the lathe center equipment, the first protective ring and the second protective ring are used in cooperation, firstly, the first protective ring is fixed to the outer portion of an original tool center, the second protective ring slides and stretches out and draws back through the reinforcing ribs, the lathe center equipment can adapt to centers of different lengths in the stretching-out and drawing-back process, and then the two protective rings are fastened through the fastening screws; meanwhile, the fastening screws are used for conducting force, and the protection effect is guaranteed; or the second protective ring can be moved to the outer wall of the workpiece needing to be machined, the limiting effect on the workpiece is achieved, the tip blade part does not need to make direct contact with the workpiece, and the workpiece is protected when rotating at a high speed so as to prevent the bearing face of the blade part from being too small and rotating for a long time to cause damage.