734 results about "Tailstock" patented technology

The invention discloses a horizontal numerical control lathe and relates to the technical field of numerical control machine tools, the horizontal numerical control lathe comprises a machine base, a tool apron fixedly arranged on the machine base and a tailstock slidably arranged on the machine frame, a turning tool is installed on the tool apron, a rotating disc is rotatably arranged on the tailstock, and a motor used for driving the rotating disc to rotate is arranged on the tailstock. A turntable is arranged on the machine base, a workpiece clamping tool is arranged on the turntable, an auxiliary support is further arranged on the machine base in a sliding mode, a feeding mechanism used for driving the tailstock and the auxiliary support to slide is arranged on the machine base, and a positioning cavity used for allowing a workpiece to penetrate through is formed in the auxiliary support. And a plurality of positioning pieces for limiting radial deviation of the workpiece are arranged in the positioning cavity. By means of the turning tool, the stability of the workpiece during machining can be improved, the turning tool can conduct turning machining on the workpiece more accurately, and the machining precision and the machining quality are guaranteed.

The invention relates to the technical field of intelligent manufacturing equipment, in particular to a turning machine tool and a turning method of a hydraulic motor output shaft. The turning machine tool comprises a rack, a drill chuck assembly used for clamping and fixing a workpiece is rotationally installed on the rack, and the drill chuck assembly is driven by a driving device arranged on the rack to rotate; a tailstock is fixed to the machine frame, and an ejector pin which can linearly move, can rotate and is used for abutting against and limiting the end of a workpiece is installed on the tailstock. A tool rest bottom plate capable of linearly moving in the axial direction of a workpiece is arranged on the rack, a rotary cutter head is arranged above the tool rest bottom plate, and a tool turret is arranged above the rotary cutter head; a plurality of turning tools with the machining precision gradually increased are sequentially and fixedly clamped on the tool turret in the circumferential direction at equal angles. The turning method is efficient, precise and high in automation degree. And the bottleneck problems of low efficiency, poor precision stability, dependence on skilled workers and the like of multi-precision shaft parts such as output shafts of hydraulic motors in the traditional turning process are effectively solved.

The invention discloses a double-station four-shaft rotating exchange workbench which comprises a fixing sleeve and a tailstock, a main shaft is rotatably arranged between the fixing sleeve and the tailstock, and the double-station four-shaft rotating exchange workbench further comprises a rotating head fixedly arranged at one end of the main shaft and rotatably connected into the fixing sleeve; the end plate is rotationally connected with the rotating head, and an external motor for driving the rotating head to rotate is mounted on the end plate; the rotating disc is coaxially and fixedly arranged on the main shaft, two rotating seats are symmetrically arranged on the upper circumference of the rotating disc, a support is fixedly arranged at the other end of the main shaft, a working table is rotationally arranged between the rotating seats and the support, and a driving assembly for driving the working table to rotate is arranged on the rotating seats. The external motor is arranged to drive the main shaft to rotate, the driving assembly drives the workbenches to rotate, then the two workbenches can be flexibly switched between the cutting station and the feeding and discharging station, horizontal installation of workpieces is achieved on the feeding and discharging station, and the workbenches can rotate to any angle for machining on the cutting station.

The invention belongs to the technical field of cylindrical grinding machine control, and provides a self-adaptive control method and system for a cylindrical grinding machine jacking tailstock. The method comprises the steps that the cone adjusting track of a jacking tailstock is determined based on the geometric structure of a to-be-ground area of a target workpiece, the posture of the jacking tailstock and the posture of a grinding wheel, and a first jacking force sequence set is determined based on the cone adjusting track, the material attribute of the target workpiece and the machining process constraint condition; grinding thermal deformation information corresponding to all track points of the cone adjusting track is obtained through prediction, jacking force correction is conducted on the first jacking force sequence set based on the grinding thermal deformation information, and a second jacking force sequence set is obtained; and in the automatic cone adjusting process, the tailstock is adjusted and controlled according to the cone adjusting track and the second jacking force data set. According to the invention, non-stop automatic cone adjustment and self-adaptive jacking force control of the tailstock in the grinding process are realized, the machining consistency and the automation level can be effectively improved, the service life of equipment can be effectively prolonged, and the device is particularly suitable for machining parts with complex taper structures and high precision requirements.

The furnace roller rough machining turning equipment comprises a rack, a spindle box is arranged at one end of the top of the rack, a tailstock is arranged at the other end of the top of the rack, and three-jaw chucks used for fixing a furnace roller are arranged on the opposite sides of the spindle box and the tailstock correspondingly. A turning mechanism is further arranged at the position, located between the spindle box and the tailstock, of the top of the rack, the furnace roller turning machine further comprises a movable base, a mounting plate, a furnace roller supporting mechanism and a furnace roller axial limiting mechanism, the mounting plate is arranged above the movable base, and position adjusting structures are arranged between the mounting plate and the movable base and between the movable base and the rack. The furnace roller supporting mechanism is mounted at the top of the mounting plate and used for supporting and fixing the furnace roller, the furnace roller supporting requirements of various specifications can be met, the supporting device does not need to be frequently replaced, the universality and applicability of equipment are improved, and the equipment cost and the use cost are reduced.

The invention relates to the technical field of grinding machine tail bases, and discloses an adjusting device for grinding machine tail base abrasion compensation, the adjusting device is installed on a cam grinding machine, the cam grinding machine comprises a headstock, a tail base and an operation table, tips are arranged on the headstock and the tail base, and the adjusting device comprises an adjusting mechanism and a detection mechanism. The adjusting mechanism comprises a mounting base, a mounting plate, a height adjusting assembly and a horizontal adjusting assembly, the mounting base is fixedly mounted on the operating table, the mounting plate is slidably mounted on the mounting base in the height direction of the mounting base, the tailstock is slidably mounted on the mounting base in the width direction of the mounting plate, and the height adjusting assembly is arranged between the mounting plate and the mounting base; the horizontal adjusting assembly is arranged between the mounting plate and the tailstock, and the detection mechanism is used for detecting the coaxiality of the two tips. The device is used for solving the problem that in the prior art, a tailstock tip and a headstock tip are the same in height in the Z-axis direction and are not located on the same straight line in the X-axis direction.

The utility model provides girth welding equipment integrated with an induction preheating and stress relief mechanism, which relates to the technical field of girth welding and comprises a worktable, a sliding rail is arranged at the top of the worktable, and a driving tailstock and a rotary clamping mechanism are arranged on the rail in a matching manner to realize coaxial clamping of workpieces; the side face of the workbench is slidably connected with a movable supporting table, the top of the workbench is provided with a supporting column and an induction preheating device, the supporting column is adjustably connected with a welding device and a stress relief device, and the welding device, the stress relief device and the movable supporting table synchronously move along with the movable supporting table. During working, a workpiece is firstly clamped and welded after induction preheating, stress is finally relieved in real time, and the rotary clamping mechanism drives the workpiece to rotate. The device integrates multiple functions, solves the problem of process dispersion of traditional equipment, prevents cracks through accurate preheating, relieves stress in real time, improves stability, and guarantees welding precision through coaxial clamping.

The invention relates to the technical field of welding equipment, and discloses movable multi-oil-nozzle welding equipment which comprises a lathe bed, a spindle box assembly, a tailstock mechanism, a material supporting base, a stand column, a wire feeder assembly, a vertical sliding rail and a welding gun positioning system. By means of head-tail cooperative clamping and multi-axis linkage design, high-coaxiality clamping of workpieces and accurate positioning of a welding gun are achieved; the V-shaped bracket automatically avoids, the wire feeder supplies wires at a constant speed, the welding gun can be finely adjusted in real time, and continuous and automatic girth welding of the multi-oil-nozzle workpiece is completed. According to the method, the welding efficiency and quality can be remarkably improved, the method adapts to various workpiece shapes, manual intervention is reduced, and high universality and expansibility are achieved.

The invention belongs to the technical field of eccentric shaft machining, and particularly discloses an eccentric shaft multi-procedure one-time clamping machining technology and device which comprises a lathe bed body, a switchable positioning unit, a modular tool magazine, a precision detection module and a control system, and the switchable positioning unit, the modular tool magazine, the precision detection module and the control system are arranged on the lathe bed body. The switchable positioning unit comprises a three-jaw centering assembly, a manual fine adjustment chuck, an automatic compensation positioning mechanism and a tailstock center, the three-jaw centering assembly is in sliding connection with the top position of the lathe bed body, and the manual fine adjustment chuck and the automatic compensation positioning mechanism are both connected with the three-jaw centering assembly through a switching gear set; the modularized tool magazine is located on one side of the lathe bed body. According to the multi-procedure one-time clamping machining technology and device for the eccentric shaft, one-time clamping can meet two precision requirements, the equipment specialization problem is solved, the equipment input cost is reduced, the equipment utilization rate is increased, and meanwhile the machining precision and efficiency are guaranteed.

The invention discloses a multi-station turning device for part production, and particularly relates to the technical field of turning machining, the multi-station turning device for part production comprises a numerical control lathe body, an electric tailstock is slidably connected in the numerical control lathe body, a first mounting frame is arranged in the numerical control lathe body, and a second mounting frame is arranged on one side of the first mounting frame; according to the numerical control lathe, multiple connecting columns drive clamping plates to be closed to clamp and fix the two ends of the long-axis part through springs in multiple mounting caps, so that the two ends of the long-axis part can be clamped and fixed at the same time, the stability of the device during placement is kept, a second driving motor can be started through a PLC of the numerical control lathe body, and the machining precision is improved. Furthermore, the two second moving seats are far away from each other in opposite directions under the thread transmission action of the two-way screw rod, and then the use distance between the two mounting frames can be adjusted, so that the mounting frames can adapt to long-axis parts with lengths.

The invention provides a ribbon loom thread passing shaft turning device, and relates to the technical field of thread passing shaft turning. The ribbon loom thread passing shaft turning device comprises a positioning plate, a position changing assembly is arranged on the inner side of the positioning plate, positioning correction mechanisms are fixedly connected to the two ends of the position changing assembly, and a guide shell is arranged at the upper end of the positioning plate. According to the ribbon loom thread passing shaft turning device, the movable positioning plate is arranged on the surface of the transposition assembly, so that the clamping arms can be arranged on the two sides of a turning tool to clamp a circular shaft to be machined, the circular shaft cannot be bent in the machining process, the clamping arms are arranged to assist a lathe chuck and a tailstock in fixing and correcting the circular shaft, and the machining efficiency is improved. The circular shaft cannot be deformed and bent due to shaking during high-speed rotation, the effect of reducing machining bending deformation by performing secondary clamping on the two sides of the turning tool is achieved, and the problem that when the thread passing shaft is long, the thread passing shaft can shake and droop in the middle due to the influence of materials in the machining process, and machining of the thread passing shaft fails is solved.

The application discloses a kind of air-tight seal buckle cutting machining device and processing method thereof, it is related to cutting machining technical field, including lathe main body and first box board, the tailstock one end is fixedly connected with first tool rest, the one end of first tool rest is fixedly connected with second tool rest, the inside of lathe main body is fixedly connected with first box board and second box board, the one end of first box board and first tool rest is evenly provided with cleaning mechanism, by the cleaning mechanism being set, when air-tight seal buckle cutting, under the cooperation of first elastic frame, second elastic frame and guide frame, make cutting process complete in closed space, effectively prevent splashing, avoid its embedding clearance of slide rail, tool rest and other components;Meanwhile, the cutting debris directly falls into collection box via chip removal pipe, without manual blowing cleaning, significantly reduce the labor intensity of staff and cleaning difficulty, while improving overall processing efficiency.

The invention relates to a machining grinding machine. The machining grinding machine comprises a machine body, a first hydrostatic guideway, a second hydrostatic guideway, a grinding wheel machining turret, a workpiece headstock component and a workpiece tailstock component. The first hydrostatic guideway is arranged on the surface of the lathe bed, a first feeding sliding block is movably connected to the first hydrostatic guideway, the second hydrostatic guideway is arranged on the surface of the lathe bed, and a second feeding sliding block is movably connected to the second hydrostatic guideway. The grinding wheel machining turret is arranged on the first feeding sliding block and used for machining a workpiece. And the workpiece headstock component is arranged on the second feeding sliding block, is opposite to the workpiece tailstock component and is used for tightly jacking the workpiece on the workpiece headstock component. The first hydrostatic guideway and the second hydrostatic guideway adopt a hydrostatic pressure technology, slide blocks are supported by a pressure oil film to move, non-contact sliding is realized, and the friction force approaches zero. Large-area oil film contact of the static pressure guide rail provides excellent bearing rigidity, vibration generated in the grinding process can be effectively absorbed, and the overall machining precision is optimized.

The present invention relates to the technical field of hydraulic cylinder processing. The present invention provides an automatic processing equipment for the cylinder barrel of a hydraulic oil cylinder, which includes a CNC lathe body, a tailstock is arranged inside the CNC lathe body, and also includes a chuck, a coaxial clamping assembly, an adjusting assembly, a rotating cylinder and a grinding assembly. The chuck is arranged inside the CNC lathe body, and the chuck includes an inner chuck and an outer chuck. The outer chuck is fixed and coaxially installed on the outside of the inner chuck. The inner chuck is coaxially fixedly connected to the tail end of the main shaft of the CNC lathe body. The coaxial clamping assembly is arranged inside the inner chuck and the outer chuck, and the adjusting assembly is arranged inside the inner chuck and the outer chuck. The rotating cylinder is rotatably installed at the end of the tailstock, and a conical top block is detachably installed at the end of the rotating cylinder. The grinding assembly is installed inside the tailstock. Through the above technical scheme, the technical problem in the prior art that when processing the cylinder barrel of a hydraulic cylinder, the clamping positions are different when processing the outer circle and the inner hole respectively, which makes it difficult to ensure good coaxiality is solved.

The invention discloses a winching tail rope energy storage electric type electric automatic winding device, and relates to the technical field of automatic winding devices. The automatic winding device for the winching tail rope comprises a rotating rod, a bearing and a wire coil which are arranged on an electric tailstock, and the rotating rod is fixedly inserted into an inner ring of the bearing so that the wire coil can rotate along with the rotating rod; the automatic winding device for the winching tail rope further comprises a detection mechanism. When the electric winch releases the steel wire rope, the electric tailstock rotates passively, at the moment, the motor reducer module in the system serves as a generator, kinetic energy of the electric tailstock is converted into electric energy, and the converted electric energy can be stored in a matched energy storage element. When the winching mill pulls the steel wire rope, the stored electric energy drives the electric tailstock to rotate and wind the steel wire rope, so that the energy utilization efficiency is improved. According to the winching tail rope energy storage electric type electric automatic winding device, electric energy consumption or storage is achieved according to two different working conditions that a winching drags or releases a steel wire rope, the winding efficiency and effect are guaranteed, and the energy recovery effect can be improved.

The utility model belongs to the technical field of shaft production, and particularly relates to a regrinding device for shaft production, which comprises a shaft material body, and further comprises a chassis, a guide rod, a tailstock, a spring, a mounting frame, a clamping groove and a grinding plate which are arranged on one side of the shaft material body, the chassis is arranged on one side of the shaft material body, and the chassis is further connected with the surface of the guide rod in a sliding manner; according to the device, through the arrangement type combined structure of the grinding plates, assembling can be conducted according to shaft material bodies of different lengths, efficient regrinding work can be conducted on the surfaces of the shaft material bodies through the grinding plates, the time needed by regrinding can be greatly shortened, the working efficiency is improved, and the device is suitable for popularization and application. And when the grinding plate is disassembled and assembled, the purpose can be achieved only by sliding the grinding plate and the mounting frame, and the overall efficiency of regrinding is further improved.

The utility model relates to the technical field of machining clamps, and provides a double-sided hydraulic clamp for valve cover machining, which comprises a clamp bottom plate, four shafts, a tailstock, a first clamping mechanism and a second clamping mechanism, four shafts and a tailstock are respectively arranged on the clamp bottom plate; a bridge plate is arranged between the fourth shaft and the tailstock; the output end of the fourth shaft is connected with the bridge plate; the first clamping mechanism is installed on one face of the bridge plate, and the second clamping mechanism is installed on the other face of the bridge plate. The first clamping mechanism comprises a single-point-face positioning block, a double-point-face positioning block, a double-point positioning seat, a single-point positioning seat, a positioning block, a large-size push cylinder, a lengthened push column, a second pressing plate, three first pressing plates and two small-size push cylinders, all of which are arranged on the bridge plate. According to the vertical machining center, all working procedures of a valve cover product are combined into one working procedure to be completed through one set of clamp, and all machining contents of the valve cover product are completed on one vertical machining center.

The high-precision automatic machining and grinding equipment for the special-shaped shaft of the automobile transmission system comprises a rack, a rigid reference center, a floating center and two radial amplitude limiting mechanisms are arranged at the lower end of the rack, and annular shells are arranged at the tops of the two radial amplitude limiting mechanisms correspondingly; a plurality of rolling columns capable of achieving trace radial receding are rotationally connected to the inner periphery of the annular shell, a profiling grinding mechanism is arranged at the upper end of the rack, and the profiling grinding mechanism comprises a support connected into the rack in a left-right moving mode, a mounting frame connected to the support in an up-down moving mode, a contact wheel arranged at the upper end of the mounting frame and a grinding wheel arranged at the lower end of the mounting frame. The multi-section special-shaped section machining device can adapt to continuous or discontinuous multi-section special-shaped section machining on a shaft body, and is high in machining efficiency and machining precision.

This invention provides a method and apparatus for calibrating calipers with dial indicators. The method includes: Step S1, adjusting the tailstock of the length measuring instrument to a position exceeding the range of the dial indicator caliper, and installing the dial indicator caliper onto the worktable; Step S2, adjusting the tailstock of the length measuring instrument to a predetermined position, with the two measuring ends of the dial indicator caliper contacting the measuring caps on the tailstock and headstock respectively; Step S3, adjusting the state of the worktable until the reading of the dial indicator caliper is at an inflection point; Step S4, reading the reading of the dial indicator caliper, and comparing the distance from the tailstock position with the reading of the dial indicator caliper to calculate the difference. If the difference is within the allowable error range, it meets the requirements; Step S5, after completing the calibration at one calibration distance, changing the position of the tailstock to another calibration distance, and repeating Step S4 to perform the calibration at the other calibration distance. This invention solves the problem of the complex and cumbersome calibration process of dial indicator calipers in the prior art.

The utility model discloses a plate type nuclear fuel element tube base machining device, relates to the technical field of nuclear fuel element manufacturing, and is used for solving the research and machining problems of an existing plate type fuel element tube base. The device comprises a tailstock, an indexing head and an inner support of a pipe seat, wherein the tailstock and the indexing head are fixedly arranged on a machine tool workbench; the tailstock is provided with a center capable of freely stretching out and drawing back, and the center of the left end face of the inner support is tightly jacked through the center. A clamping jaw for clamping and fixing the right end of the inner support is arranged on the dividing head; the inner support can support and fix the pipe base with the inner hole as the reference, the left side of the inner support presses the check block through the nut to fix and press the pipe base, a workpiece has the rotary machining function, and after one face is machined, the workpiece is rotated to sequentially machine a four-face structure. The machining device is designed and manufactured according to the structural characteristics of the tube socket, and all the structures of the tube socket are machined through one-time clamping while the machining precision is guaranteed.

The utility model discloses a double-station vertical cylindrical grinding machine which comprises a machine body and a stand column vertically arranged on the machine body. A vertical grinding wheel assembly is arranged in the middle of the machine body, two sides of the grinding wheel assembly are respectively provided with a group of feeding mechanisms, each feeding mechanism comprises an X-axis carriage and a Z-axis carriage which are vertically arranged, the X-axis carriages are slidably mounted on the stand columns through horizontal guide rail mechanisms, and first linear driving mechanisms are arranged between the X-axis carriages and the stand columns; the Z-axis carriage is slidably mounted on the X-axis carriage through a vertical guide rail mechanism, and a second linear driving mechanism is arranged between the Z-axis carriage and the X-axis carriage; a headstock assembly and a tailstock assembly which are used for clamping a workpiece are vertically arranged on the Z-axis carriage in a manner of facing each other; a grinding wheel capable of rotating horizontally is arranged at the upper end of the grinding wheel assembly, and the two sides of the grinding wheel protrude relative to the grinding wheel assembly towards the corresponding feeding mechanisms. The grinding tool has the advantages of being reasonable in structural design, capable of improving machining efficiency, beneficial to improving grinding precision and the like.

The present invention relates to the technical field of self-priming pump component processing, and in particular to a self-priming pump component turning and forming processing device and method, the device comprising a turning tool mounted on a lathe tool holder, a lathe chuck mounted on a lathe spindle box, and a tail cone mounted on a lathe tailstock, wherein a locking mechanism for locking the self-priming pump cover is provided between the lathe chuck and the tail cone. The pipe locking assembly and the end locking assembly adopted by the present invention are used in conjunction with each other to perform comprehensive and effective multiple clamping and locking on the irregularly shaped self-priming pump cover, so that the self-priming pump cover can be stably mounted on a lathe for turning, effectively ensuring the turning quality of the sealing surfaces at both ends of the self-priming pump cover, thereby improving the installation sealing of the self-priming pump cover. At the same time, for turning work, the processing device as a whole can be disassembled and used at any time, is quick and convenient to use, can effectively improve the processing efficiency of the self-priming pump cover, and further ensure the assembly production of the self-priming pump.

The utility model relates to a clamp spring which comprises a first clamping portion (11) and a second clamping portion (12) which are integrated, a first included angle is formed between the first clamping portion (11) and the second clamping portion (12) in a first plane, the first clamping portion (11) comprises a first back-bending section (112), the second clamping portion (12) comprises a second back-bending section (121), and a compressed size capable of penetrating through a middle hole. And the second back bending section (121) has a structure matched with the pin (2). The structure of the clamp spring is changed, so that the overall size is reduced, the maximum size after installation does not exceed the range of the tailstock, the distance between the clamp spring and a plastic cover is increased, and the interference risk between the clamp spring and the plastic cover is avoided.

The invention belongs to the technical field of machine tools, and particularly relates to a five-axis cradle rotary table and a machine tool, the five-axis cradle rotary table comprises an A-axis mechanism, a C-axis mechanism, a tailstock pipeline distributor and a C-axis pipeline distributor, the tailstock pipeline distributor comprises a first fixing part and a first rotating part, the first fixing part is installed on a tailstock, and the first rotating part is installed in a tailstock rotating shaft; the C-axis pipeline distributor comprises a second fixing part and a second rotating part, the second fixing part is installed on the C-axis machine body, and the second rotating part is installed in the C-axis rotating shaft. The first rotating channel communicates with the cooling channel through a first pipeline and communicates with the second fixed channel through a second pipeline. According to the five-axis cradle rotary table and the machine tool, the tailstock pipeline distributor and the C-axis pipeline distributor are arranged, so that the first pipeline and the second pipeline are not forced to twist due to the fact that the C-axis machine body rotates around the A axis any more, pipelines in the C-axis machine body are not twisted or leaked due to the fact that the C-axis rotary disc rotates around the C axis any more, the use safety of the rotary table is improved, and the service life of the rotary table is prolonged.

According to the gear shaving tool and the gear shaving machining method, through the core design that the elastic pre-pressing module and the split type pull rod are arranged, the problems that an existing gear shaving tool is high in equipment precision dependence, complex in debugging, poor in automation adaptability and the like are effectively solved; flexible axial flattening during workpiece pre-positioning is achieved, workpiece tensioning force in machining completely depends on stress of the right tailstock, the left core shaft only provides blocking support, an elastic compensation mechanism can buffer coaxiality deviation of the left core shaft and the right core shaft, the strict coaxiality requirement smaller than or equal to 0.02 mm does not need to be met through equipment, and it can still be guaranteed that machining precision is qualified; the problems of radial jump difference, tooth direction disorder and the like caused by insufficient equipment coaxiality of a traditional tool are solved, and dependence on equipment precision is greatly reduced.

The utility model discloses a horizontal welding positioner, and relates to the technical field of welding positioners. The transmission case is positioned at the upper part of one side of the base in the length direction; a main shaft which is supported to rotate is arranged in the transmission case; the chuck is connected with the main shaft and is provided with a plurality of clamping jaws for clamping a first workpiece; the tailstock unit is located on the upper portion of the other side of the base in the length direction and opposite to the chuck, the tailstock unit is slidably connected with the base in the length direction of the base, and the tailstock unit is provided with a tip used for tightly jacking a second workpiece; the welding gun is used for welding a to-be-welded gap between the first workpiece and the second workpiece; and the adjusting unit is used for supporting the welding gun, and the adjusting unit is slidably connected with the base in the length direction of the base. The horizontal welding positioner disclosed by the utility model has high welding quality and working efficiency.

A gantry type bearing laser processing device comprises four parts of mounting base, synchronous belt sliding mechanism, gantry and tailstock. The gantry has three degrees of freedom, and a 90-degree right-angle laser head is mounted thereon. The laser head moves up and down and left and right in a vertical plane by using a lead screw sliding mechanism. The gantry moves in the front-back direction by using the synchronous belt sliding mechanism on the mounting base. The rotating tailstock has two degrees of freedom, and drives the three-jaw chuck to rotate as a whole by using the synchronous belt transmission. Meanwhile, the tailstock can rotate the three-jaw chuck from the horizontal clamping state to the vertical clamping state. The device has five degrees of freedom, and can realize laser processing of bearing radial inner and outer wall curved groove, micro-hole and other micro-texture morphology, and laser processing of bearing flat end face. The gantry structure of the device can adapt to the size change of the inner and outer diameters of the bearing and end face processing. The whole processing device can easily realize automatic laser processing of the bearing.

The invention provides a part positioning tool. The part positioning tool comprises a first base, an axial limiting support, a second base and a third base, the axial limiting support, the second base and the third base are sequentially installed on the first base, and a positioning support is arranged on the second base. The third base is provided with a first supporting module used for supporting a part and preventing the part from vibrating during machining, a second supporting module used for conducting self-adaptive supporting on a complex profile on the part, an equal-height alignment block used for aligning the head, provided with a shaft hole, of the part, and a pressing block used for fastening the part. The expansion shaft alignment block is arranged on the equal-height alignment block and used for converting an inner hole datum of a part shaft hole into an outer diameter datum, and the jacking tailstock is used for axially jacking and limiting a part. The axial degree of freedom of a part is jointly limited through the axial limiting support and the jacking tailstock, other degrees of freedom of the part are jointly limited through the positioning support, the supporting module and the pressing block, and the clamping device can be applied to effective clamping and positioning of cylindrical parts with complex structures.

The invention discloses an optical mirror roller roundness detection device which is installed on a cylindrical grinding machine, and the cylindrical grinding machine comprises a grinding machine headstock, a control panel, a driving electric cylinder, a tailstock used for clamping a roller, a roller left-right movement driving motor and a grinding wheel feeding driving motor. The roundness detection device comprises a measurement execution mechanism, a detection analysis unit and a motion control unit. The measuring action is automatically completed by swinging the manipulator, and the detection analysis unit and the motion control unit are combined, so that the full-process automation from detection, analysis to compensation grinding is realized, the labor intensity and skill dependence of operators are remarkably reduced, and the processing period is shortened.

The agricultural sprinkler nozzle shell machining device comprises a lathe body and further comprises a feeding assembly, the feeding assembly comprises a first sliding frame and a second sliding frame which are stacked up and down, the first sliding frame is installed above the second sliding frame in a sliding mode, and the second sliding frame is installed on the lathe body in a sliding mode; the first sliding frame and the second sliding frame are each provided with a driving device, and the two driving devices drive the first sliding frame and the second sliding frame to move in the direction perpendicular to each other. The first sliding frame and the second sliding frame are vertically stacked at the tail end of the lathe body, the tailstock, the supporting mechanism, the downward pressing mechanism, the driving wheel and the like are installed on the first sliding frame, and meanwhile long blanks are placed among the supporting mechanism, the driving wheel and the downward pressing mechanism; the positions of the tailstock and the long blank relative to the spindle box can be adjusted through movement of the first sliding frame and the second sliding frame, so that the chuck clamps the end of the long blank, and then the blank is slit through a cutter.