39410results about "Supporters" patented technology

The present invention belongs to the technical field of machining and punching, and in particular relates to a surface pressurized punching device for anode plate machining. The surface pressurized punching device comprises a workbench of a table structure, a machine unit mounted on one side of the workbench, and a rack welded to the table top of the workbench, wherein an operation platform is fastened to the table top of the workbench and inside the rack by means of bolts, and clamping plates which are oppositely arranged are slidably mounted on two sides of the surface of the operation platform; and a hydraulic cylinder is mounted at the center of the surface of the rack, and an output shaft of the hydraulic cylinder running into the rack is fixedly connected to a drill rod by means of a coupler. By means of providing a reaming assembly, an electric motor B is controlled by an external power supply to operate while the hydraulic cylinder drives the drill rod to move, such that the electric motor B drives, by means of a gear A and a chain, a gear B to rotate synchronously while the electric motor B moves with the drill rod by means of an outer frame, thereby driving the drill rod to rotate. Thus, the surface of the drill rod can rotationally grind and finish holes in an anode plate while the drill rod performs drilling, thereby reducing burrs.

The invention discloses a control method and system of a vertical multi-axis numerical control mortise broaching machine and a storage medium, and relates to the technical field of broaching machines. The control method comprises the following steps that S1, a three-dimensional model of a workpiece is imported, and a mortise machining area is recognized based on geometric features of the model; s2, according to the material attribute, the tool type and the machining precision requirement, the feeding speed, the cutting depth and the main shaft rotating speed parameter of a machining path are set; s3, generating a multi-axis linkage tool path plan, and decomposing a tool path into a control instruction of multi-axis cooperative motion through a numerical control system; s4, the deviation between the actual position and the theoretical position of each shaft is monitored in real time in the machining process, and the output torque and the rotating speed of the servo motor are dynamically adjusted; s5, collecting cutting force data in real time; s6, the distance between the cutter and the surface of the workpiece is measured in real time through a laser displacement sensor, and a displacement feedback signal is generated; and if the cutting force data and the displacement feedback signal exceed preset threshold values, a dynamic compensation mechanism is triggered. The broaching machine control method has the effect of improving broaching machine control accuracy.

The invention discloses a control method and equipment suitable for a rotary turn-over clamp of a numerical control milling center, and relates to the technical field of numerical control machining. The clamping force is optimized through the multi-source sensing and digital twinning technology, and workpiece deformation is prevented; thermal compensation and an error transfer chain model are integrated, the turnover angle is accurately corrected, and error accumulation is restrained; real-time comparison, traceability and self-adaptive adjustment in the machining process are achieved through digital twin pre-verification and multi-sensor closed-loop monitoring; the problems of out-of-tolerance of precision and batch consistency caused by unstable clamping, thermal deformation and error transmission in multi-surface milling of high-precision parts are solved, and the precision, reliability and process adaptability of complex part machining are remarkably improved.

The invention relates to the field of gear turning and boring, particularly discloses a gear turning and boring device with a high-precision positioning function, and solves the problems that when an existing small-diameter gear is subjected to turning and boring machining, the clamping and positioning precision is low, the universality is poor, and turning and boring machining on a large-diameter gear cannot be compatible. Comprising turning and boring equipment, a base, a support, a support, sliding frames, semicircular grooves, metal clamping pieces, a frame body, sliding rods, a top plate, a first driving assembly, a disc, clamping seats and a sliding plate, second rotating rods are rotationally connected between the sliding plate and the clamping seats, the sliding frames are further provided with second driving assemblies, and the second driving assemblies are used for driving the sliding frames on the two sides to get close to each other. Or the sliding plate is driven to slide towards the disc. The device can be universally used for clamping and machining a large-diameter gear or a small-diameter gear, and is stable in clamping and good in universality.

The invention provides an auxiliary positioning method and system in multi-process switching of a precision mold, and relates to the technical field of precision machining.The method comprises the steps that process reference information of a mold in a current process is collected, and a three-dimensional mold grid model is constructed; performing grid comparison and offset calculation by using the three-dimensional mold grid model on the basis of the positioning reference data to obtain real-time offset information; taking elimination of the real-time offset information as a target, performing primary position adjustment on the mold to obtain a primary corrected mold; and according to the historical positioning error of the next adjacent working procedure, secondary position adjustment is conducted on the primary correction mold, and mold machining of the next adjacent working procedure is executed. The technical problems of mold positioning error accumulation and machining precision reduction caused by lack of a real-time pose offset sensing and historical error compensation mechanism in the prior art are solved, the mold multi-process switching positioning precision is remarkably improved, the stability and reliability of multi-process switching are enhanced, and the mold machining quality is improved.

The invention relates to the technical field of drilling equipment, in particular to drilling equipment for automobile brake disc production, which comprises a support, an air cylinder and a mounting table, and an electric control drill bit is arranged on the bottom surface of the mounting table. The second rotating disc slides in a second abutting groove through a second abutting block fixed to the inner side of the second rotating disc when moving downwards along with the first rotating disc, stable rotation of the second rotating disc is guaranteed, the second rotating disc and the first rotating disc rotate coaxially, a second arc-shaped groove is formed in the surface of the second rotating disc, and the second arc-shaped groove is matched with the second arc-shaped groove. The circular block at the bottom of the positioning block close to the center of the connecting disc is inserted into the arc-shaped groove II. When the second rotating disc rotates, the second arc-shaped grooves push the positioning blocks to move along the sliding grooves so as to adapt to the inner diameter size of the brake disc, and therefore multi-point positioning can be conducted on the inner diameter and the outer diameter of the brake disc at the same time, and the clamping stability is improved.

The fabricated building structure production device comprises a machine body, and a mechanical arm is installed on the left side of the top of the machine body. The mechanical arm and the clamping mechanism are used in cooperation, automatic feeding of I-shaped steel beams or steel pipe columns is achieved, the adjusting mechanism and the cutting mechanism are used in cooperation, arc-shaped splicing openings are formed in the four sets of I-shaped steel beams, and then under the action of the adjusting mechanism and the welding mechanism, welding is conducted on the I-shaped steel beams or the steel pipe columns. The four sets of I-shaped steel beams are attached to the outer wall of the steel pipe column, the top and the bottom of a splicing opening are welded, so that the four sets of I-shaped steel beams and the steel pipe column are connected together, and under cooperation of an adjusting mechanism and a tapping mechanism, a plurality of sets of threaded holes are formed in the four sets of I-shaped steel beams in sequence; the device is convenient and fast to use, does not need to be operated by workers, improves the production efficiency, has substantive improvement, and is beneficial to popularization and application.

A substrate support assembly includes a cooling plate and a chuck disposed on the cooling plate. The chuck includes one or more heating electrodes, and one or more clamp electrodes to electrostatically secure the chuck to the cooling plate. Another substrate support assembly includes a cooling plate, a first puck plate bonded to the cooling plate, and a second puck plate disposed on the first puck plate. The second puck plate includes one or more clamp electrodes to electrostatically secure the second puck plate to the first puck plate.

The invention relates to the technical field of machining, in particular to a flexible clamp for turning a variable-diameter thin-wall cylinder component and a turning method. The flexible clamp comprises a supporting mechanism and a flexible supporting clamp mechanism which are detachably connected, the supporting mechanism comprises a supporting rod, the supporting rod is detachably connected with the flexible supporting clamp mechanism, and the flexible supporting clamp mechanism comprises a plurality of first supporting assemblies arranged in the circumferential direction. The flexible supporting clamp mechanism can be inserted into the variable-diameter cylinder section of the variable-diameter thin-wall cylinder component in the axial direction of the variable-diameter thin-wall cylinder component, and the first supporting assembly is adjusted to extend in the radial direction so that the first supporting assembly can abut against the inner wall of the variable-diameter cylinder section. The flexible supporting clamp mechanism can effectively avoid workpiece deformation caused by lateral component force, and the flexibility of the flexible clamp is improved. In the machining process, the elastic deformation and vibration of the barrel are controlled within a very small range, and the machining precision is remarkably improved.

The invention relates to the technical field of numerical control lathes, and particularly discloses a vertical numerical control lathe convenient for chip removal, which comprises a workbench provided with a clamp, and a driving assembly arranged on a machine tool and used for driving the workbench to rotate; a chip removal groove is formed in the workbench, a filter cylinder communicating with the chip removal groove is coaxially and fixedly arranged at the bottom of the workbench, and chips sequentially pass through the chip removal groove and the filter cylinder to enter the bottom of the workbench. Cooling liquid is discharged through the side face of the filter cartridge under the action of centrifugal force, and chippings are discharged through the bottom of the filter cartridge; an extrusion plate is slidably assembled on the side wall of the chip groove towards the inner wall of the filter cylinder, an adjusting assembly matched with the extrusion plate is arranged on the machine tool, and when the filter cylinder rotates, the adjusting assembly drives the extrusion plate to get close to the filter cylinder in a reciprocating mode to extrude chips passing through the filter cylinder; the vertical numerical control lathe facilitating chip removal has the effect that chips in parts can be removed in time.

The invention relates to the technical field of tool changing, in particular to a numerical control machine tool tool changing mechanism which comprises a first mounting plate, a second mounting plate and two L-shaped plates which are fixedly arranged in a machine tool and further comprises a controller, a tool taking device, a wiping device, an anti-rust device and a rotating device. The wiping device comprises a collecting box, a pushing assembly and two sponges, the anti-rust device comprises a storage cylinder, an extrusion assembly, a conveying assembly and a plurality of atomizing nozzles, and the rotating device comprises a rotating disc, a driving assembly and a tool to be replaced. And the two sponges can be used for wiping the surface of the operation tool in time after the operation tool is replaced, cleaning of the operation tool after replacement is achieved, and it is guaranteed that the machining precision and machining quality of the tool are not affected when the operation tool is used next time.

The invention relates to the technical field of closed impeller production and processing, in particular to a high-precision closed impeller split manufacturing process and manufacturing equipment, comprising a milling machine mechanism comprising a machine body and a three-axis translation milling head fixedly arranged on the rear side wall of an operation bin of the machine body; the three-axis rotating mechanism is arranged in the operation bin below the three-axis translation milling head and comprises a transverse rotating assembly, a first vertical rotating assembly and a second vertical rotating assembly, the transverse rotating assembly comprises a first outer gear ring, a gear column meshed with the first outer gear ring and first U-shaped plates symmetrically arranged on the two sides of the first outer gear ring, and limiting rings are fixedly arranged on the upper end face and the lower end face of the first outer gear ring; and the clamping mechanism is fixedly arranged on the inner side of the first outer gear ring and comprises a hollow matching disc and a plurality of arc clamping pieces arranged in a hollow groove in the matching disc in the circumferential direction in an array mode, all-directional automatic and high-precision machining of the closed impeller split body can be achieved through the manufacturing equipment, the labor intensity of workers is effectively relieved, and the overall practicability is good.

The invention relates to the technical field of turning equipment, in particular to an automobile motor shell turning device. Comprising a supporting table, a rotating mechanism and baffles. A guide rail is fixedly installed on one side above the supporting table, a sliding table is slidably installed above the guide rail, a fixing rod is fixedly installed at the center position above the sliding table, turning parts are movably installed on the two sides of the surface of the fixing rod, and the turning parts are slidably adjusted above the guide rail through the sliding table. The rotating mechanism comprises a rotating disc and a clamping assembly, the clamping assembly is fixedly installed on the periphery of the surface of the rotating disc, the clamping assembly comprises a clamping snap ring, and the clamping snap ring is telescopically adjusted on the periphery of the surface of the rotating disc; the baffle is fixedly installed at the intersection position of the turning piece and the surface of the clamping snap ring, and a collecting groove is formed below the baffle. And the rotating disc rotates along with the rotating disc, so that the automobile motor shells of different sizes are clamped and fixed, convenience and rapidness are achieved, and subsequent turning treatment on the automobile motor shells is facilitated.

The invention relates to the field of welding, in particular to steel structure welding equipment with an automatic positioning function, which comprises a fixed ring I, an electric control guide rail, a cylinder, an electric push rod I, a sliding ring, a fixed ring II and the like, the first fixing ring is fixedly connected with an electric control guide rail. The electric control guide rail is rotationally connected with a cylinder through a sliding block. The cylinder is fixedly connected with a plurality of electric push rods I; telescopic parts of all the electric push rods are jointly and fixedly connected with a sliding ring; the sliding ring is rotationally connected with a second fixing ring. The two steel pipes in butt joint are fixed through the electric driving wheels on the first fixing ring and the second fixing ring, the first fixing ring, the cylinder and the second fixing ring are concentrically arranged, all the electric driving wheels jointly center and clamp the two steel pipes, and then the laser welding head is controlled to rotate for welding. During welding, deviation between the steel pipes can be effectively avoided, and the welding quality of butt joint of the steel pipes is improved.

The invention discloses a shaping robot, a shaping system and a grain processing method thereof. An integrated moving and transferring device is used as a chassis for bearing all modules; the shaping industrial robot is used for driving a cutter on the mechanical arm to conduct shaping machining. The medicine scrap sucking and cleaning device is used for cleaning scraps generated by processing; the tool changing magazine is used for placing and managing tools and comprises a quick-changing tool rest, and a detection sensor used for detecting whether the tools exist or not is arranged on the quick-changing tool rest; the control system comprises a coordinate system management module, a tool path planning module, a robot kinematics module, a collision detection module, a motion simulation module and a robot program generation module. Automatic machining positioning, automatic machining path planning and automatic cutting tool switching and management can be achieved; the automation degree of grain cutting machining is effectively improved; in the shaping process, temperature and contact force detection sensors are used for detection, and early warning protection in the machining process is achieved.

The invention belongs to the technical field of clamping, and provides a self-adaptive shape follow-up centering clamp and an automatic clamping method. The self-adaptive shape follow-up centering clamp comprises an end cover, an outer circular ring, a floating shape follow-up positioning cylinder, a driving clamping cylinder, an inner circular ring, a hanging ring, a rib plate and a PLC control system. The automatic clamping method can replace a traditional process ring clamping method, self-adaptive shape follow-up positioning and clamping of the barrel workpiece are achieved, the process ring turning procedure is omitted, and material consumption is reduced. After the outer circular ring, the cylindrical roller bearing and the axis of the lathe spindle in the self-adaptive shape follow-up centering clamp are mounted consistently, it can be guaranteed that the middle barrel section coincides with the axis of the lathe spindle. Shape-following positioning of a blank barrel workpiece is achieved through the floating shape-following positioning cylinder, the barrel workpiece is clamped through the driving clamping cylinder, and it is guaranteed that stress is uniform while the axis of the barrel workpiece does not deviate. The device is achieved based on a PLC control system, the clamping force is quantitatively controlled through feedback adjustment of the oil pressure gauge and the proportional valve, and clamping deformation is reduced.

The invention relates to the technical field of tool switching, and discloses a tool switching method of a CNC tool magazine. The method comprises the following steps: performing three-dimensional laser scanning on the surface of a cutter in a CNC machine tool to obtain a wear tiny heterogeneity index; performing association mapping on the geometric features of the workpiece and the tool wear mode to obtain feature data of a cutting boundary layer; executing cutter state evaluation calculation to obtain cutter health state indexes and inter-cutter collaborative wear relation data; switching evaluation function calculation is executed in the tool state space, and a first switching time sequence decision sequence is obtained; and the first switching time sequence decision sequence is input into a CNC tool magazine management system, and automatic tool switching operation is executed by controlling a tool replacement mechanical arm according to the calculated optimal intervention angle. The cutter switching time is greatly shortened, the machining efficiency is improved, and meanwhile the consistency and stability of the machining quality are ensured.

The utility model relates to the technical field of tool magazines, and discloses a tool magazine for a CNC machine tool, including a tool magazine body, a tool disc, a tool barrel and a CNC tool body, wherein the tool disc is rotatably connected to the front of the tool magazine body, the tool barrel is fixedly installed on the front of the tool disc, and the CNC tool body is detachably connected to the inner cavity of the tool barrel. A tool body protection mechanism is provided on the tool magazine body, and the tool body protection mechanism includes an air cylinder and a support rod. The utility model can store gas through the design of the air cylinder, and open the solenoid valve to cause the gas inside the air cylinder to be transported to the inside of the hollow square frame through the transmission air pipe, and the gas is then output from the inclined air nozzle, and the outer surface of the CNC tool body to be stored can be blown and cleaned to remove debris attached to its surface, thereby avoiding the problem of wear at the contact point between the CNC tool body and the tool barrel caused by the debris, and extending the service life of the CNC tool body.

A placing seat is fixed to the upper portion of a base through a plurality of supporting columns in a suspended mode, a plurality of linear sliding grooves distributed in an annular array mode are formed in the placing seat, and an inner supporting piece and an outer pressing piece are installed in each linear sliding groove; a clamping push plate is connected between the multiple supporting columns in an up-down sliding and sleeving mode, a plurality of pushing pieces are installed on the clamping push plate, the pushing pieces are in sliding connection with the inner supporting piece and the outer pressing piece, and a plurality of position adjusting mechanisms distributed in an annular array are installed below the containing base in a sliding mode; a plurality of inner supporting pieces and outer pressing pieces which are distributed in an annular array mode are arranged above the containing base, two positioning rollers on the inner supporting pieces and the outer pressing pieces can synchronously move in the opposite directions from the inner side and the outer side, the inner wall and the outer wall of a workpiece are clamped at the same time, clamping force appears in pairs, radial force is offset, the workpiece mainly bears uniform centripetal force, and the deformation risk is greatly reduced.

The invention belongs to the technical field of casting tools, and particularly discloses a magnesium-aluminum alloy large casting drilling tool which comprises a fixing frame and a positioning platform, and a lifting frame is arranged on one side of the fixing frame; a driven gear is rotationally installed in the positioning platform, clamping units are arranged on the two sides of the upper portion of the positioning platform, a lower pressing rod is connected to the lower portion of the lifting frame, a sleeve is arranged between the fixing frame and the positioning platform, a driving gear meshed with the driven gear is rotationally installed on the sleeve, and clamping units are arranged on the two sides of the upper portion of the positioning platform. A driving unit is arranged on the rear side of the positioning platform; the acting force of ascending or descending of the pressing rod is used as driving force, the driving unit drives the clamping unit to limit the position of the to-be-machined workpiece and then conduct drilling, after drilling is completed, the pressing rod ascends, and the to-be-machined workpiece rotates through cooperation between a driving gear and a driven gear; therefore, through holes in different positions, staggered up and down, of the workpiece to be machined are drilled.

The machining tool comprises a base and a clamping device arranged on the base, the clamping device comprises clamping units arranged on the periphery of a workpiece to be machined, and a base for fixing the clamping units is arranged on the base; the clamping unit comprises a box body fixed to the base and an air cylinder arranged on the side, away from a workpiece, of the box body, and a plurality of ejector rod mechanisms pushed by the air cylinder are arranged on the side, close to the workpiece, of the box body. The ejector rod mechanism is of a two-section type and comprises a piston in the middle and a piston rod close to one side of a workpiece, a first cavity is formed between the piston and the piston rod, electrorheological fluid is arranged in the first cavity, and an electrode is arranged on the inner wall of the first cavity; according to the novel machining tool, a workpiece in a complex shape can be clamped through the telescopic ejector rod mechanism, meanwhile, the electrorheological fluid in the first cavity and the electrorheological fluid in the second cavity can be converted into a solid state, stable supporting can be provided, and vibration during machining can be reduced through control of the controller.

The invention provides a machining method and tool for a high-precision thin-wall casing of an aero-engine, and belongs to the field of precision machining of thin-wall components of aero-engines. Comprising a clamp body which is provided with a hoisting hole and supporting plate mounting positions distributed in the circumferential direction. The inner-layer clamping mechanism and the outer-layer clamping mechanism are composed of supporting plates distributed along the circumference of the clamp body, each supporting plate is longitudinally provided with a plurality of sets of ejector rods, the ejector rods are locked through ejector rod installation nuts, and the tail ends of the ejector rods are provided with copper alloy ejector rod heads; the outer layer clamping mechanism comprises a pressing plate used for axially pressing the end face of the casing. The support plate is provided with three groups of upper, middle and lower ejector rod screw-thread fit holes. The tool not only has the part positioning function and the clamping space meeting the requirement that rough machining and finish machining of the cartridge receiver can share the same tool, but also has the functions of internal and external multi-point independent supporting and internal and external multi-point simultaneous supporting. According to the technological method, two times of heat treatment is added to remove stress generated by cutting machining, and two numerical control lathe finish machining procedures are refined into seven procedures.

The utility model discloses angle steel cutting equipment which comprises a bottom plate, supporting legs are fixedly installed at the four corners of the bottom of the bottom plate, the left side of the top of the bottom plate is fixedly connected with a driving mechanism through a first telescopic piece, and a cutting and polishing mechanism is fixedly installed at the movable end of the driving mechanism. A vertical plate is fixedly mounted on the right side of the top of the bottom plate, an angle steel placing table is fixedly mounted on the inner side of the vertical plate through a second telescopic piece, and a pressing plate is fixedly connected to the right side of the top of the angle steel placing table through a third telescopic piece. The angle steel cutting equipment is reasonable in structural design and convenient to use, after angle steel is cut, the cutting face can be polished at the same time, two pieces of equipment are not needed for machining, the machining efficiency is effectively improved, the working intensity of workers is reduced, the investment cost of enterprises is reduced, and the use requirement can be comprehensively met.

The utility model provides a special zero-point positioning clamp for an aero-engine moving blade, which is used for positioning and clamping the aero-engine moving blade and comprises a clamp body, a positioning piece, a deformation acting piece and a zero-point positioning assembly, a mortise with at least the top, the front and the back opened is arranged on the clamp body, a deformation groove is arranged on one side of the mortise, and the zero-point positioning assembly is arranged in the deformation groove. The deformation acting piece is connected with the deformation part and the clamp body in a matched mode, and the deformation acting piece drives the deformation part to deform so as to clamp and loosen the blade tenon. The zero point positioning assembly comprises a positioning piece and a blind rivet, and the positioning piece and the blind rivet are installed at the bottom of the clamp body in a positioning mode. According to the scheme, assembling is easy, using is convenient, stable clamping of the aero-engine moving blade and the quick-changing function and the zero-point positioning function applied to an automatic production line can be achieved, it is not needed to determine whether the position of the blade is correct or not every time of metering, manpower consumption is reduced, labor efficiency is improved, and the requirement of the automatic production line is met.

The invention relates to the technical field of machine tool machining, and discloses drilling equipment and a drilling process for nozzle pin hole machining, the drilling equipment comprises a support and a base, a drilling device and a lifting device are arranged on the support, a conveying device and a positioning device are arranged on the base, and a feeding conveying table and a discharging conveying table are arranged on the two sides of the base respectively; the drilling device comprises a control source, a plurality of drill bits and an adjusting part used for adjusting the positions of the drill bits, the lifting device comprises a first threaded rod and a transmission part, and the conveying device comprises a conveying belt and a moving part used for controlling the position of the conveying belt on the base. According to the drilling machine, the positions of the multiple drill bits are adjusted through the arrangement of the adjusting piece, workpieces are carried through the arrangement of the conveying belt, and therefore rapid machining and carrying of the workpieces are achieved, and the problems that when different workpieces are machined through a traditional drilling machine, matched cutter heads need to be frequently replaced, and the machining efficiency is high are solved. And machined workpieces need to be grabbed and placed through a mechanical arm, operation is complex, and the machining efficiency is affected.

The invention provides a clamp for milling, drilling and tapping integrated machining equipment, and relates to the technical field of shaft workpiece machining clamps. Comprising two sets of clamping mechanisms and four sets of moving driving mechanisms, each set of clamping mechanism comprises two clamping units capable of being matched with each other for clamping, the moving driving mechanisms drive the first set of clamping mechanism and the second set of clamping mechanism to be away from each other, and the second set of clamping mechanism moves towards the end, to be polished, of the shaft workpiece. The friction force between the outer surface of the shaft workpiece and a driving roller of a second group of clamping mechanisms enables the driving roller to overcome the action of a third driving spring to move in the axial direction relative to a second central shaft, and the end part of a rod grinding tool is propped against a slope propping block; the bevel abutting block drives the tool bit of the rod grinding tool to stretch out of the guide hole so as to grind the outer surface of the shaft workpiece. According to the clamp for the milling, drilling and tapping integrated machining equipment, the outer surface of a shaft workpiece can be polished while the shaft workpiece is clamped, and therefore the clamping and positioning accuracy during milling, drilling and tapping machining is improved.

Magnetic coupling devices are disclosed having magnetic field sensors. The magnetic coupling device may include degaussing coils wrapped about pole extension shoes of the magnetic coupling device.

The invention discloses automatic brake disc machining equipment in the technical field of brake disc machining, which comprises a lathe, a peripheral clamp arranged on the lathe, a central clamp arranged on the peripheral clamp and a bearing component sleeved on the central clamp, the fixing seat is arranged on the rotating chuck, and the first connecting shaft is inserted in the axis position of the fixing seat. A tool for clamping from outside to inside is combined with a tool for expanding and clamping from inside to outside, so that the device can perform operations of limiting, clamping and fixing inwards from the side surface of the brake disc and expanding and clamping the brake disc outwards from the axis position through the center clamp and the peripheral clamp respectively during turning drilling and turning grinding operation in sequence; and the operation of replacing a tool during turning drilling and turning grinding operation is omitted, the operation steps are simplified, and then the brake disc machining efficiency is improved.

The invention provides a flange short pipe accurate welding device based on detection correction and an operation method, the flange short pipe accurate welding device is used for correcting and welding a flange plate and a short pipe, and the flange short pipe accurate welding device comprises a workbench, a flange plate fastening device, a lifting device, a grinding mechanism, an operation arm and a detection aligner. The workbench is arranged on the horizontal plane and provided with a finished product containing area and a machining area. The finished product placing area is used for placing processed finished products; the flange plate fastening device is arranged in the machining area of the workbench. The lifting device is arranged above the flange plate fastening device; the grinding mechanism comprises a grinding disc and a grinding motor; the grinding disc is connected with an output shaft of the grinding motor; the grinding disc is lifted and rotated through a lifting device and a grinding motor respectively; the operation arm comprises a clamping mechanical arm and a welding mechanical arm which are used for clamping a short pipe and welding the short pipe and a flange plate correspondingly. And the detection aligner is arranged around the flange plate fastening device and is in communication connection with the control system.

The invention belongs to the technical field of fastener machining equipment, and discloses bolt tail integrated machining equipment which is characterized in that a material conveying rail comprises a first rail and a second rail, a material containing gap is formed between the first rail and the second rail, a workpiece moves in the material containing gap, the material conveying rail is provided with a station rail section, and the station rail section is connected with the first rail and the second rail. The station rail section and the machining station are correspondingly arranged, and in the station rail section, the position, relative to the horizontal plane, of the first rail is higher than the position, relative to the horizontal plane, of the second rail; when the workpiece moves to a machining station, the movable positioning tool acts to clamp the workpiece between the first positioning groove and the second positioning groove, so that the machining mechanism machines the workpiece; the action direction of the jacking mechanism is parallel to the rail surface of the conveying rail, and the machining axis of the machining mechanism is perpendicular to the action direction of the jacking mechanism. Aiming at tail machining of aerospace fasteners, the machining precision can be guaranteed, the process time can be shortened in a single process or a continuous process, and batch production is achieved in an assembly line mode.