10382results about "Supporters" patented technology

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 discloses a mechanical part pre-deformation clamping process method based on simulation analysis, and relates to the technical field of mechanical manufacturing. The method comprises the following steps that S1, a design drawing, material characteristic parameters, blank size specifications and technical parameters of a clamp system of a to-be-machined part are collected; according to the method, an integrated simulation model of a part, blank and clamp system is constructed, blank key parameters and the constraint relation of all parts are fused, multi-field coupling simulation is combined, the theoretical deformation field pre-judgment precision is greatly improved, reliable data support is provided for pre-deformation design, a target compensation curved surface is generated through a geometric inversion algorithm, and the pre-deformation design precision is improved. By matching with a pre-deformation clamp with an adjusting mechanism, reverse pre-deformation is realized, differences of different batches of blanks are adapted, machining and rebound deformation are effectively counteracted, simulation and process parameters are corrected through a detection result by means of a closed-loop optimization mechanism, machining precision stability is guaranteed, trial cutting cost and rejection rate are reduced, and the method is suitable for machining of various easily-deformed parts.

The invention belongs to the technical field of inner star wheel clamps, and particularly relates to an inner star wheel quick-change high-precision clamp which comprises a clamping shell, a clamping component is arranged in the clamping shell, the clamping component comprises a quick-change clamping block, and the quick-change clamping block clamps an inner star wheel. According to the quick-change high-precision clamp for the inner star wheel, the clamping component and the driving component are arranged, a chute is in inclined sliding fit with an inclined rod, and a pushing taper sleeve drives the conical surface of a roller on an inserting rod, so that the single axial movement of a driving hydraulic cylinder is creatively changed into the single axial movement of the driving hydraulic cylinder; according to the three-jaw chuck, the three clamping jaws are synchronously decomposed and converted into the composite motion of radial shrinkage and axial compression of the three clamping jaws, and the structure enables the clamp to actively and reliably restrain the axial degree of freedom of a workpiece while clamping the outer circle of the workpiece, so that the defect that the axial constraint of a traditional three-jaw chuck is weak is overcome. The method has the following direct effects: firstly, a machine tool is allowed to process by adopting larger cutting depth and feed rate, so that the processing efficiency is obviously improved, and the service life of a cutter is prolonged;

The utility model relates to the technical field of finish machining of large rotary tables of boring and milling machines, in particular to an adjustable equal-height sizing block for machining a large rotary table. The device comprises a plurality of equal-height sizing blocks which are fixedly mounted on the table top of the large rotary table; the equal-height sizing block comprises an upper seat body, the upper seat body is connected with a lower seat body, cover plates are installed on the outer side of the upper seat body and the outer side of the lower seat body, a copper flange is installed at the top end of the upper seat body, the copper flange is connected with the upper seat body, a jacking column is installed in the upper seat body, a limiting block is installed at the bottom end of the outer side of the lower seat body, and a wedge block is installed at the bottom end in the lower seat body. A wedge block is arranged at the bottom end of the jacking column, one side of the wedge block is the inner wall of the lower seat body, a hexagon screw is installed on the other side of the wedge block, the other side of the hexagon screw is connected with a lengthened sleeve wrench, a sleeve wrench support is arranged at the bottom end of the lengthened sleeve wrench, and the bottom end of the sleeve wrench support is the ground. The equal-height sizing block provided by the utility model not only has the same height in the original state, but also can ensure the same height in real time, so that the labor intensity of an operator is effectively reduced.

The invention discloses a self-adaptive clamp for finish machining of an outer circle of a variable-cross-section thin-wall part. The self-adaptive clamp comprises a clamp body for installing a driving assembly, a self-adaptive positioning assembly and a clamping assembly. A third round sleeve is arranged at the right end of the clamp body; a plurality of mounting holes penetrate through the outer circumference and the inner circumference of the clamp body; an arc-shaped block of the self-adaptive positioning assembly is arranged in the mounting hole; the driving assembly comprises a center shaft, a conical protruding block is arranged at the position, corresponding to the inner supporting sliding block, of the center shaft, and when the center shaft moves leftwards, circumferential supporting positioning is provided for a workpiece to be machined. The clamping assembly comprises a first round sleeve rotationally installed at the near end of the clamp body and a second round sleeve slidably arranged at the other end of the clamp body, and the second round sleeve is located on the inner side of a third round sleeve and adjustably connected to the third round sleeve through a lead screw and a spring. And the second round sleeve applies axial clamping force to a to-be-machined workpiece clamped between the first round sleeve and the second round sleeve through the elastic force of the spring.

The present invention discloses an adaptive curved surface support device for a mirror milling swing head, relates to a technical field of part machining, comprises a fixing frame, a shell, a gimbal mechanism, a floating support mechanism and a plurality of springs, the shell is mounted at one end of the fixing frame, one end of the shell is provided with the universal mechanism and the floating support mechanism, the floating support mechanism is connected to the universal mechanism, the universal mechanism is used to make the floating support mechanism swing along circumferential direction, and the plurality of springs are arranged in the shell, the plurality of springs connect to the fixing frame and the floating support mechanism.

The invention relates to the technical field of engineering machinery manufacturing, in particular to an excavator part machining treatment device which comprises a fixing base, a support is fixedly connected to the fixing base, a driving mechanical arm capable of driving horizontal two-dimensional motion is installed at the top of the inner side of the support, and a sliding disc is fixedly connected to the lower end of the driving mechanical arm. The bottom face of the sliding disc is fixedly connected with a driving cylinder, and the lower end of the driving cylinder is fixedly connected with an inverted-U-shaped frame. According to the excavator part machining treatment device, three core procedures of drilling, inner wall grinding and end face grinding are integrated, through cooperative control of the driving mechanical arm, the driving air cylinder and the motor, full-process part machining can be completed without equipment replacement or repeated clamping, the part transferring and positioning time is effectively shortened, and the machining efficiency is improved. The problem that traditional step-by-step machining is low in efficiency is solved, and the machining efficiency is improved.

The invention belongs to the technical field of drilling, tapping and milling compound machines, and particularly relates to a horizontal five-axis drilling, tapping and milling compound machine. The five-axis drilling, tapping and milling combined machine comprises five-axis drilling, tapping and milling machine heads and a combined machine base connected with the bottoms of the five-axis drilling, tapping and milling machine heads, a machining supporting table is arranged between the five-axis drilling, tapping and milling machine heads which are oppositely distributed, and a supporting bottom bin is fixedly arranged at the bottom of the machining supporting table; the supporting extension table is attached to the side face of the machining supporting table and the side face of the supporting bottom bin, a side waist transverse groove is formed in the surface of the supporting bottom bin, an extension bottom rod part inserted into the side waist transverse groove is fixedly arranged at the bottom of the supporting extension table, and a pressing mechanism acting on the extension bottom rod part is arranged in the supporting bottom bin. By means of the detachable and rotatable supporting extension table, the supporting area can be flexibly expanded according to the size of a workpiece, point-to-point precise supporting of an ultra-long workpiece and a special-shaped workpiece is achieved in cooperation with a moving block in a longitudinal groove of the extension table and a height-adjustable supporting head, and the clamping angle can be flexibly adjusted through a combined structure of an arc-shaped adjusting plate and a multi-edge transverse inserting column.

The invention relates to the technical field of machining equipment, and discloses a disc-shaped part milling machine tool and a machining method.The disc-shaped part milling machine tool comprises a machine tool base, a workbench arranged on the machine tool base, a Z-axis guide rail arranged on the workbench, a connecting arm ascending and descending along the Z-axis guide rail and a motor installed at the end of the connecting arm; the output end of the motor is fixedly connected with a driving column, and a milling cutter is mounted at the bottom end of the driving column; a hydraulic cylinder is arranged below the workbench; the device further comprises a lower self-adaptive clamping assembly and an upper follow-up vibration suppression assembly. The lower self-adaptive clamping assembly comprises a connecting disc, a center cylinder, a movable cylinder, a second spring and a supporting column. Through the synergistic effect of the lower self-adaptive clamping assembly and the upper follow-up vibration suppression assembly, the machining rigidity of the disc-shaped thin-wall part is remarkably improved, the lower supporting column provides rigid support for the originally suspended center of the part after being locked, and sinking deformation caused by axial cutting force is prevented.

The invention relates to the technical field of fine hole precision machining and surface treatment, and discloses a precision drilling device for winding machine accessories, which comprises a workbench, a main shaft driving unit is arranged on one side of the workbench, a compound tool is mounted on the main shaft driving unit, and the main shaft driving unit is used for driving the compound tool to rotate and axially feed; a clamping base is embedded and fixedly connected to the upper surface of the workbench and used for positioning and installing a workpiece, a fluid processing unit is arranged in the workbench, located below the clamping base and communicated with the clamping base, and a sealing guide assembly is arranged between the clamping base and the main shaft driving unit. The compound tool is divided into a cutting guide section at the front end, a fluid disturbance section at the middle end and a clamping section at the rear end in the axial direction. By means of the integrated design of the compound tool, two procedures are seamlessly connected under the same main shaft and clamp system, and accumulative errors caused by workpiece transferring and repositioning are thoroughly eliminated.

The utility model discloses a positioning device for a steam seal ring of a steam turbine with non-uniformly distributed back arc spring holes, and belongs to the technical field of steam turbines, the positioning device comprises a positioning disc, a plurality of positioning holes are formed in the positioning disc, and the positioning holes are distributed in the circumferential direction of a multi-arc-section combined type annular workpiece; the connecting holes are in one-to-one correspondence with a plurality of connecting holes formed in the multi-arc-section combined type annular workpiece; the multiple positioning columns are connected with the multiple positioning holes in a one-to-one correspondence mode, and each positioning column is provided with a positioning face and a positioning groove; the length of the adjusting mechanism is adjustable, and by rotating the positioning columns, the two ends of the adjusting mechanism can extend into the positioning grooves in any set of two positioning columns oppositely arranged in the radial direction, so that the connecting holes in the multi-arc-section combined type annular workpiece are aligned with the positioning grooves in the corresponding positioning columns in the radial direction, and meanwhile, the adjusting mechanism can adjust the length of the adjusting mechanism. The positioning faces on the corresponding positioning columns are attached to the corresponding arc sections in the multi-arc-section combined annular workpiece.

The invention relates to the technical field of machining, and discloses an internal keyway horizontal milling machine tool for tungsten steel workpiece machining, which comprises a base arranged in the milling machine tool, the base is rotationally connected with a bearing frame through a bearing rotating shaft arranged in the base, the bearing frame is rotationally connected with a carrying frame through a circular track arranged in the bearing frame, a magnetic piece is arranged in the bearing frame and is connected with the carrying frame through magnetic force, and a limiting part used for fixing a tungsten steel workpiece is arranged on the outer side of the carrying frame. And a switching piece is arranged in the base. The internal keyway horizontal milling machine tool for machining the tungsten steel workpiece can effectively solve the technical problems that in the prior art, when the workpiece is aligned and corrected again after being turned over, the coaxiality precision of the axis of an inner hole of the workpiece before and after turning over is difficult to guarantee, so that a cutter connecting step is generated at the connecting part of two keyways machined in sequence; and finally, the machining quality of the internal keyway is influenced.

The invention discloses a turning and milling composite machine tool for metal machining and relates to the technical field of composite machine tools, the turning and milling composite machine tool comprises a machine tool body, a stand column and a workbench, the machine tool body serves as a basic supporting part of the machine tool, and the stand column and the workbench are oppositely arranged at the two ends of the upper portion of the machine tool body. The turning mechanism and the milling mechanism are both connected with the stand column through the horizontal moving module so as to quickly meet the requirements of the workpiece in different machining procedures, compared with an existing fixing mechanism which only depends on single mechanical clamping, the clamping assembly can stably clamp the workpiece from the peripheral side of the workpiece through the mechanical clamping force of a clamping jaw, and the machining efficiency of the workpiece is improved. And a negative pressure environment can be formed on the contact surface of the workpiece and the clamping assembly by means of the adsorption unit, so that the strength of mechanical clamping force borne by the workpiece can be effectively reduced on the basis of ensuring that the workpiece is kept in a stable state in the machining process, and damage such as indentation on the surface of the workpiece is avoided.

The present application relates to a kind of rocket engine injector thin-wall milling self-positioning fixture and assembly method, it mainly includes upper positioning tire body component, conical surface expansion ring, tire unloading bottom plate, pressing cover plate, tire unloading lifting ring, pressing bolt, expansion screw, lower positioning bottom plate component, locking bolt, long fixed bolt, lower positioning bottom plate component is fixed in machine tool workbench by locking bolt long-term, always not disassembled.Product is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion screw before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thin-wall;Injector thin-wall is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion screw before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thin-wall;Injector thin-wall is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion sleeve before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thinn

The utility model relates to the technical field of workpiece clamping, and provides a clamping system and a machine tool, and the clamping system comprises a main shell, a rotating main body, a driving motor, a first bearing and a second bearing. Wherein an accommodating space is formed in the main shell; the rotating main body is rotationally arranged in the accommodating space along the axial direction of the rotating main body; the driving motor is connected with the rotating main body; the first bearing and the second bearing are both arranged on the rotating body in a sleeving mode. According to the clamping system, the first bearing and the second bearing are arranged between the rotating body and the main shell to support the main shell in a matched mode, so that the main shell and the rotating body can be connected into a whole and can rotate, it is guaranteed that all structural components do not affect each other when the system works, the structure of the clamping system is simplified, and the working efficiency is improved. The dependence on the technical level of installation personnel is reduced, and the maintenance difficulty is reduced; and the first bearing and the second bearing are arranged between the rotating main body and the main shell, so that the bearings can be prevented from being damaged under the action of pulling force.

The invention relates to the technical field of compressor cylinder covers, in particular to a compressor partition plate hole machining clamp which comprises a support, four sets of positioning mechanisms, a fixing mechanism and a power mechanism, the four sets of positioning mechanisms are evenly distributed on the support, each set of positioning mechanism comprises a mandrel and an elastic clamp arranged on the mandrel in a sleeving mode, and workpieces are arranged on the elastic clamps in a sleeving mode; the fixing mechanism and the positioning mechanism are correspondingly arranged, and the fixing mechanism comprises a mounting plate arranged on the outer side of the mandrel, a plurality of sets of supporting assemblies arranged on the mounting plate in a circumferential array mode and pressing assemblies arranged corresponding to the supporting assemblies; the power mechanism is installed on the support and drives the supporting assembly, the positioning mechanism and the pressing assembly to act in sequence to clamp a workpiece. The workpiece is placed on the multiple sets of supporting units, the supporting faces of the two sets of turning plates in each set of supporting units can be rotated from opposite arrangement to upward arrangement to support the workpiece, after the workpiece is supported, the positioning mechanism and the pressing assembly fix the workpiece, and the problem that in the prior art, the workpiece positioning precision is poor is solved.

The invention discloses an automatic calibration method and system for a cutting knife needle, a cutting machine and a storage medium. The method comprises the steps that a cutting knife needle is controlled to execute a gradient retraction cutting sequence, and the extension length of the knife needle retracts by a preset gradient length after each time of cutting; collecting a trace image formed on the calibration material by cutting each time through a camera; automatically identifying the shallowest effective cutting trace in the sequence based on image analysis; and calculating the reference zero point of the tool nose according to the sequence number corresponding to the trace, the preset gradient length and the initial extension length. The calibration material has a high-contrast substrate layer and contrast layer structure. The invention further discloses a system for implementing the method, the cutting machine comprising corresponding hardware and a storage medium. According to the invention, full automation of the calibration process is realized, dependence on artificial experience is eliminated, and the method has the advantages of high calibration precision, high efficiency, good consistency and the like.

The invention relates to the technical field of machine manufacturing, and discloses a combined machining device with cutting and hot melting drilling, which comprises a base and a pipe, and a machining mechanism and a conveying mechanism are arranged on the base; the machining mechanism comprises a fixing frame fixedly connected to the top face of the base, and an electric push rod is fixedly connected to the top face of the fixing frame. The machining mechanism is arranged, under the cooperation of two hinge plates and a first adjusting plate, the angles of the first adjusting plate and a second adjusting plate are changed, then the angles of a cutting disc and a hot melting drill bit are adjusted at the same time, workpieces of different materials and different specifications can be precisely cut and drilled, and the machining efficiency is improved. The angle can be adjusted according to different machining requirements, the optimal cutting and drilling scheme is found, after the angle is adjusted according to the machining requirements, the electric push rod can be driven to drive the movable frame to move downwards, machining cutting or hot melting drilling is conducted on the pipe, and combined machining of different modes is achieved.

The invention relates to the technical field of combined machining, and discloses a five-axis five-linkage turning, milling and drilling combined machining center which comprises an equipment box, a mounting frame is mounted on the rear side of the inner wall of the bottom end of the equipment box, an automatic tool changing system is arranged on the left side of the mounting frame, and a transmission system is arranged in the middle of the mounting frame. A feeding table is slidably mounted on the front side of the inner wall of the bottom of the equipment box through sliding rails. The five-axis five-linkage turning, milling and drilling combined machining center can effectively solve the problems that in the prior art, a five-axis turning, milling and drilling combined machining center mostly adopts the mode that two sets of clamps are matched, parts need to be repeatedly clamped in the machining mode, the machining period of a single piece is directly prolonged through repeated positioning operation, and machining efficiency is high. The clamping precision and the consistency of the two sets of clamps cannot be guaranteed; in the prior art, a worker needs to stretch the upper body into a closed machining area of equipment and manually righting a part to enable the part to be aligned to a clamping hole position and keep a horizontal state, and the process is tedious in operation steps and has safety risks.

The invention belongs to the technical field of heavy machine tool machining, and particularly relates to a transmission structure for heavy horizontal machine tool machining and a machining method. Comprising a moving seat, the two ends of the upper surface of the moving seat are fixedly connected with a tool apron and a skewness measuring assembly respectively, the skewness measuring assembly comprises a measuring tool connecting arm, the measuring tool connecting arm comprises a first measuring tool arm, one end of the first measuring tool arm is rotationally connected to a lifting seat and is in transmission connection with a stepping motor, and the stepping motor is fixedly connected to the lifting seat. The device can assist a wheel velocimeter in more conveniently and accurately measuring the rotating speed and the skewness of the outer surface of a turning billet in real time, and is more convenient for lifting a workpiece, so that cuttings generated in turning are reduced, and the cuttings are prevented from scratching the machined surface; built-up edges can be reduced, the surface smoothness is improved, and the surface roughness is reduced; and in the turning process, the turning speed is adjusted in real time along with the change of the shape and the quality of the machined steel blank so as to keep the optimal turning rotating speed.

The invention relates to the technical field of washing machine part machining, in particular to special punching equipment for a washing machine tripod, the special punching equipment comprises a base frame and a top shell, the top shell is fixedly mounted at the top of the base frame, and a placing mechanism is arranged in the top shell; the placement mechanism comprises a mounting frame fixedly connected to the top of the base frame, a guide disc is fixedly mounted at the top of the mounting frame, three arc grooves are formed in the guide disc in the circumferential direction at equal intervals, three reference rods are fixedly mounted at the top of the guide disc, and a rotary disc is rotationally connected to the interior of the mounting frame; and three positioning rods are fixedly arranged in the circumferential direction of the turntable. Through cooperative cooperation of the guide disc, the reference rod, the rotary disc and the positioning rod and combination of driving of the first motor, rotation adjustment can be automatically conducted on a tripod workpiece with placement deviation, under the limiting effect of the reference rod, the tripod workpiece is accurately aligned to the machining positions of the three drilling units, and the positioning precision and the machining consistency are improved.

The invention designs movable pipeline punching equipment, and belongs to the technical field of metal pipeline punching. Comprising a lifting device, a punching device, a clamping device, a leveling device and a control unit. The punching device is provided with a micro-vibration suppression adaptation mechanism integrated with an acoustic emission sensor, so that vibration monitoring and active suppression are achieved. The clamping device adopts a flexible fitting bag body filled with magnetorheological fluid, so that self-adaptive fitting and magnetic control rigid locking are realized; the punching device is further provided with a double-layer sleeve type spraying pipe and a vortex separation and collection bin, and linkage spraying of cooling liquid and negative-pressure recycling of cuttings are achieved. The control unit collects cutting state signals in real time and dynamically adjusts the feeding speed and clamping parameters. The problems that existing movable punching equipment is unstable in clamping, prone to vibration, capable of achieving chip removal pollution and incapable of adapting to pipe wall changes and the like are solved, and high-quality, high-stability and clean punching operation on an in-service pipeline site is achieved.

The utility model provides a multi-station self-centering processing tool for irregular products, which comprises a base, the base is provided with a supporting seat, a pressing device, a jacking seat and a supporting base B, the supporting seat is provided with a positioning device, the jacking seat is provided with a jacking device, the supporting base B is provided with a middle supporting device, and the middle supporting device is provided with a clamping device. The positioning device comprises positioning inclined iron arranged in the side vertical face of the supporting seat, two guide positioning columns are arranged on the positioning inclined iron, the positioning inclined iron is fixedly connected with the side vertical face of the supporting seat through a bolt A, a spring A is arranged in a middle hole of the positioning inclined iron, and the spring A is connected with a limiting screw on the side vertical face of the supporting seat. The automatic centering and clamping device is low in manufacturing cost, capable of automatically centering and determining the center and reasonably distributing clamping positions, fast and efficient in clamping, reliable in pressing mode, small in workpiece deformation, capable of effectively controlling vibration in the machining process, capable of reducing the labor intensity of workers to a large extent and capable of reducing the rejection rate of products.

The invention belongs to the technical field of high-speed rotary tables, and discloses a high-stability high-speed rotary table for a milling machine and an operation method thereof.The high-stability high-speed rotary table comprises a rotary table top disc and a rotary table base, the rotary table base is located below the rotary table top disc, and a sleeve hole and a first groove are formed in the top face of the rotary table top disc. The upper portions of the adjusting assemblies which are in relative spiral sleeve connection are made to independently move upwards, the multiple clamping assemblies are driven to move upwards, in cooperation with forming of first grooves, the first clamping rods for actually clamping a workpiece at the top of the rotary table top disc can be accurately adjusted up and down, and therefore when the workpiece is actually clamped, according to the height condition of the top machining end of the workpiece, the machining efficiency is improved. The actual clamping position is adjusted, so that the workpiece is stabilized at the gravity center distribution position of the workpiece during clamping and fixing, better stability is achieved when the workpiece is matched with high-speed rotation and external stress machining under clamping, the application range of workpiece clamping rotation is widened, and meanwhile the stability of a high-machining workpiece under actual high-speed rotation is further improved.

An assembly and method for preparing a pipe elbow for welding. The assembly has a cone clamping sleeve assembly adapted to be inserted into an end of the pipe elbow and a faceplate assembly removably affixed to the cone clamping sleeve assembly. The cone clamping sleeve assembly has a face at one end thereof. The face has at least one locating hole and at least one screw hole. The faceplate assembly has at least one locating pin receivable by the locating hole of the cone clamping sleeve assembly. The faceplate assembly has a captive screw threadedly received by the screw hole. The faceplate assembly has at least a pair of centering pins positioned at diametrically opposed locations on a faceplate. The centering pins are radially adjustable and adapted to bear against an inner diameter of the end of the elbow.

The invention provides a brake pad end face slotting machining device, and belongs to the technical field of milling. Comprising a milling device body, a first motor is installed at the top of the milling device body, a milling cutter driving mechanism is installed at the top of the milling device body, a milling cutter body is installed on the milling cutter driving mechanism, and a second motor is installed at the top of the milling device body. By arranging the limiting and fixing mechanism and the overturning auxiliary mechanism, the milling cutter body can be flexibly adjusted in any position of the top space of the milling device body through the first motor and the milling cutter driving mechanism, and the milling cutter body can conveniently conduct milling treatment on a brake pad body placed at the top of the milling device body; and in the milling process of the brake pad body, the brake pad body can be quickly and stably mounted on the first movable block through the limiting and fixing mechanism.

The application relates to a tool tower for a numerical control machine tool, comprising a tower body, a tool disc, a plurality of tool seats, a protective cover arranged on the tower body, wherein the protective cover comprises a cover body and a cover plate; a first matching part is arranged on the cover body, a second matching part is arranged on the cover plate, the first matching part and the second matching part are inserted and matched when the cover plate is connected with the cover body, so as to limit the rotation of the cover body relative to the cover plate; a plurality of first sliding grooves are arranged on the tool disc, and a plurality of tool seats are slidingly arranged in the first sliding grooves; a driving device is arranged on the tower body, and the driving device is used for driving the tool seats on the machining station to slide; a limiting ring block is rotationally arranged on the cover plate, and the limiting ring block blocks the notches of the plurality of first sliding grooves when the cover plate is connected with the cover body; when the cover plate moves away from the cover body, a space for disassembling the tool seats is formed between the cover body and the cover plate. The tool tower can protect the tool and facilitate the disassembly and assembly of the tool seats on the tool disc.

The utility model discloses a shoveling and milling compound machine which comprises a machine frame, a machining stand column mechanism, a workbench and a moving mechanism, and the machining stand column mechanism is provided with a machining main shaft, a shovel blade assembly and a tool magazine mechanism; the moving mechanism is provided with a clamping platform, and the clamping platform is provided with a turnover mechanism. The clamping platform comprises a base, a clamp mechanism and a bridge plate. The scraper knife assembly is arranged behind the machining main shaft and used for providing the scraper knife function, so that the tooth relieving machining action is conducted on a machined workpiece, functionality is improved, the machined workpiece does not need to be detached and replaced with another device to be machined, time is saved, and the machining efficiency of the machined workpiece is improved; by arranging the clamping platform with the turnover mechanism, angle adjustment of the machined workpiece is achieved, the stability of angle adjustment is guaranteed, the jig does not need to be replaced, and the machining efficiency is improved.

The invention discloses a milling machine for TF coil box AU assembly milling, a machining clamp and a machining method, and relates to the technical field of TF coil box AU assembly milling, and the milling machine comprises a working platform, a gantry type frame, a cross beam sliding plate, a milling spindle box, a milling cutter and a machine body base. According to the milling machine for TF coil box AU assembly milling, the machining clamp and the machining method, the special clamp is designed, centering positioning of a workpiece can be automatically completed, meanwhile, stable clamping of the two sides of the workpiece and self-adaptive adjustment of the clamping force are achieved, workpiece deformation or machining loosening is avoided, the lifting mechanism, the first pushing assembly and the second pushing assembly act synergistically, and the machining precision is improved. By the aid of an electromagnet disc adsorption turnover structure driven by a motor, workpiece turnover can be completed without manual disassembly, the workpiece can be quickly reset to an initial reference surface after turnover, secondary positioning errors are avoided, operation procedures are greatly simplified, procedures such as positioning, clamping and turnover are smoothly linked, manual intervention is reduced, and machining cycle is effectively shortened.

The utility model discloses a hydraulic end face driving clamp for a shaft. The hydraulic end face driving clamp comprises a driving pin seat, a support and a base which are sequentially connected in the axial direction. A lower tip is embedded in the axis of the driving pin seat, and a driving pin penetrates through the driving pin seat and is movably arranged; a floating assembly, a lower push rod and a lower pull rod are sequentially arranged below the driving pin in an ejecting mode and axially penetrate through the support and the base. According to the hydraulic end face driving clamp for the shaft, the upper portion and the lower portion of the clamp are positioned through center holes, a lower tip is changed into a fixed tip, the end face is driven through the floating assembly after positioning, the driving pin is made to be in a floating free movement mode and can float along with jumping of the end of a part, and it is guaranteed that the driving pin is evenly stressed.