62results about "Broaching machines" patented technology

The invention relates to the technical field of motor machining, in particular to a cutting machine for machining a vehicle motor support. Comprising a machining table, a hydraulic mechanism is arranged above the outer wall of the machining table, a machining groove is formed in the outer wall of the machining table, and a cleaning mechanism is arranged on the outer wall of the machining table and located below the machining groove; the hydraulic mechanism comprises a hydraulic head, a hydraulic rod, a fixing clamp and a to-be-machined part, the hydraulic head is fixedly connected to one side above the outer wall of the machining table, the hydraulic rod is fixedly connected to the driving end of the hydraulic head, the fixing clamp is fixedly connected to the other side above the outer wall of the machining table, and the to-be-machined part is installed on one side of the fixing clamp. The cleaning mechanism comprises a transmission shaft, a driving assembly and a conveying belt, the transmission shaft is rotationally connected below the outer wall of the machining table, the driving assembly can be fixedly connected to the outer wall of the transmission shaft, and the conveying belt is installed on the outer wall of the driving assembly. Compared with the prior art, chippings generated in the machining process of the to-be-machined workpiece are directly received and conveyed through the conveying belt, manual cleaning by hands or cleaning by a dust collector are not needed, and the working efficiency of the device is greatly improved.

The utility model discloses a draw -bench technical field's draw -knife support platform on draw -bench, including base, bracket and cooling pool, and the bracket is supported on the base through the lifting rod, and through the adjustment of lifting rod, can carry out height adjustment to bracket, also can adjust height respectively to the left and right ends of bracket, reaches the purpose of adjusting the angle of bracket and holds up, thereby stably erects draw -knife on the base, and can adjust draw -knife to the same horizontal position with the work piece of draw -bench, is convenient for cutting operation, still has increased the barrier net and the liquid baffle, still has increased the nozzle simultaneously, thereby can spray the coolant on draw -knife, effectively remove the metal dreg on its surface, reduce the probability of dreg residue, facilitate personnel's cleaning to draw -knife after each processing, still increased the cooling pool and the net frame and give the nozzle cooling liquid, make the whole device reach the coolant circulation utilization, and can collect the metal dreg of cutting through the net frame, convenient operation, convenient to use.

The utility model relates to the technical field of key pulling positioning, and discloses a heavy-duty car transmission shaft end face fork end tooth key pulling positioning tool which comprises a support, a protection frame is fixedly connected to the top of the support, a mold is arranged in the protection frame, a hydraulic cylinder is fixedly connected to the interior of the protection frame, and the output end of the hydraulic cylinder is fixedly connected with a sliding plate. A limiting column is slidably connected into the sliding plate, a clamping jaw is fixedly connected to the side wall of the sliding plate, a bottom plate is arranged on the side wall of the support, and a chip removal assembly is arranged at the top of the bottom plate. The chip removal assembly comprises a supporting column. According to the device, the vibration motor generates vibration to drive the inclined supporting plate to drive the blanking plate to shake, and then the second connecting ring drives the spring to contract, so that the problems that the surface of a workpiece is scratched and the machining precision is reduced due to the fact that metal chippings generated in the cutting process are easily accumulated in a machining area are solved; the practicability of the end face fork end tooth broaching key positioning tool for the transmission shaft of the heavy-duty car is improved.

The utility model relates to the technical field of engines, and discloses a chamfering device which comprises a guide mechanism and a cutter mechanism, the guide mechanism comprises a first driving assembly and a guide assembly connected with the first driving assembly, and the first driving assembly is used for driving the guide assembly to guide a workpiece to move in the first direction; the cutter mechanism comprises a second driving assembly and a cutter assembly, the cutter assembly comprises a cutter base and a plurality of cutters detachably connected with the cutter base, and the second driving assembly is connected with the cutter base and used for driving the cutter base to move in the second direction. The guide mechanism and the cutter mechanism are arranged, the guide mechanism can adjust the position of the cylinder cover before the cylinder cover enters a chamfering procedure, it is guaranteed that the posture of the cylinder cover is within a reasonable error range, and the cylinder cover chamfering machine can adapt to cylinder covers of different sizes while improving the machining precision; the cutter mechanism can adjust the position of a cutter before the chamfering process, so that the machining precision is improved; and by arranging the detachable cutter, the chamfering requirements of guide pipes on different types of cylinder covers can be met, and the applicability is high.

The invention relates to a method for manufacturing a barrel (1) for use in a timepiece, the barrel being arranged to pivot about a pivot axis (D) and comprising a flange portion (3) comprising a bearing surface (30) for bearing an inner ring of a spring, from which bearing surface a hook portion (2) projects to engage in an aperture in the inner ring, and the flange portion comprises an end face (20) serving as a bearing of the eyelet when winding the spring, the flange portion further comprising a groove (4) located upstream of the hook portion in the winding direction (S) of the spring for holding an end of the spring, the method comprising the following steps:-taking a bar; -turning the profile of the bar to form at least one cylindrical portion (13) comprising a vertical surface and a horizontal surface; -machining said cylindrical portion using a broaching tool by a plurality of reciprocating translational movements in the direction of the pivot axis of the strip shaft, to form a flange portion comprising a hook portion, a bearing surface and a groove.

This invention provides a method for manufacturing a barrel truss used in watchmaking. [Solution] The mainspring barrel 1 is arranged to pivot around a pivot D and includes a core 3 having a support surface 30 for the inner coil of the mainspring, from which a hook 2 protrudes to engage with an eyelet in the inner coil, the hook includes an end face that functions as a support for the eyelet when the mainspring is wound, and the core includes a relief 4 upstream of the hook in the winding direction of the mainspring for holding the end of the mainspring. The method is, • The process of preparing the rod material, - A process of tracing and turning a rod to form at least one cylindrical portion including a vertical surface and a horizontal surface, The process includes machining a cylindrical portion by performing several translational reciprocating motions in the true pivot direction to simultaneously form the core, including the hook, support surface, and relief, using a broaching tool.

The broaching device for machining and manufacturing the internal spline gear comprises an installation frame, a penetrating opening is formed in one side of the installation frame, a clamping mechanism is arranged at the position, close to the penetrating opening, of the side face of the installation frame and is adjustable integrally, a positioning frame is installed on the side, close to the clamping mechanism, of the installation frame, and a clamping mechanism is installed on the positioning frame. A mounting base is arranged in the positioning frame in a sliding mode, and a spline broaching tool located in the penetrating opening is arranged on the mounting base. According to the broaching device for machining and preparing the internal spline gear, the clamping assembly for positioning the half axle gear is arranged on the outer side, the clamping assembly can be adjusted according to the type of the half axle gear, the broaching device is suitable for clamping and positioning when the half axle gears of different types are broached, meanwhile, the liquid spraying assembly is arranged for cooling and cleaning a spline broaching tool, and the machining efficiency is improved. Chippings adhered to the spline broaching tool are reduced, the situation that the structural strength of the spline broaching tool is affected by heating after long-time use is prevented, and the service life of the spline broaching tool is guaranteed.

The invention discloses a horizontal slotting broaching machine for a large workpiece, which belongs to the technical field of broaching machines, and is characterized by comprising a base, a clamp arranged on the base and used for clamping the workpiece, a broaching tool apron arranged on the base in a sliding manner, a tool connected to the broaching tool apron, a fixed seat arranged on the base in a sliding manner, and a tool bar connected to the fixed seat, a supporting inclined block is arranged on the tool bar in a sliding mode and used for supporting a tool bit of the tool, the tool, the tool bar and the supporting inclined block all stretch into a workpiece, a first driving piece used for driving the broaching tool base to slide in the horizontal direction is arranged on the base, and a second driving piece used for driving the supporting inclined block to slide in the horizontal direction is arranged on the broaching tool base. When the second driving part drives the supporting inclined block to slide, the supporting inclined block can support the tool bit of the tool to move upwards in the vertical direction, the workpiece is clamped and placed in a horizontal posture when the broaching machine is used for machining, and therefore feeding, clamping and positioning of the large workpiece are more convenient and faster, and machining of the large workpiece is safer and more stable.

The invention relates to the technical field of lock ring machining, in particular to a sawtooth-shaped lock ring machining device which comprises an upper tool, a lower tool, a lower tool, a lower tool, a lower tool and a clamping device. The lower tool comprises a limiting section and a positioning section fixed to the lower portion of the limiting section, the limiting section is provided with a containing groove used for containing the lock ring, the groove bottom of the containing groove is provided with a through hole vertically and downwards penetrating through the limiting section and the positioning section, and the through hole is located under the mounting hole; the fixing seat is used for fixing the position of the lower tool; the internal tooth broach comprises a cutting part and a cylindrical rod body, and the cutting part is arranged in the middle section of the rod body. According to the scheme, the problem that when sawteeth on the inner side of the sawtooth locking ring are machined at present, an inner tooth broach is likely to be broken due to inclination of the inner tooth broach is solved.

The present application relates to broaching technology field, specifically disclose a large turbine disk mortise broaching machine main transmission device, including the casing, the top of the casing is hinged with machine cover, the surface of the machine cover is provided with a notch, the both sides of the casing are provided with a strip-shaped mouth, the inner bottom wall of the casing is fixedly installed with the coaming, the inner side of the coaming is fixedly installed with the shell, the large turbine disk mortise broaching machine main transmission device, the displacement driving motor drives the rotation of the lead screw, the lead screw drives two lead screw sleeves to be synchronized to approach, the rack assembly, the driving assembly and the cleaning assembly will be folded by sliding sleeve on the slide bar, until the toothless end of the broach side surface is attached to the outside of the turbine disk, then the main transmission motor drives the driving helical gear to rotate, the driving helical gear drives the rack shell, the slide bar and the broach to slide in the guide rail shell, the side surface of the broach contacts the outside of the turbine disk to realize the broaching, so as to conveniently cut the purpose of the outer surface of the turbine disk.

The present application relates to the turbine disc and compressor disc processing and manufacturing technical field of aero-engine, gas turbine, etc., and discloses a wheel disc mortise broaching force regulation and control method and system, the method comprises the following steps: obtaining broach geometric parameters, broaching process parameters and workpiece material physical properties; based on the broach geometric parameters, the broaching process parameters and the workpiece material physical properties, the shear flow stress on the main shear surface in the cutting process is calculated, and the cutting force considering the strain softening and temperature-strain rate coupling effect is further calculated; based on the broach geometric parameters and the shear flow stress, the edge extrusion force caused by the broach edge roundness radius is calculated; the broaching force and the edge extrusion force are superimposed to obtain the wheel disc mortise broaching force; according to the wheel disc mortise broaching force, the broach geometric parameters and the broaching process parameters are adjusted and controlled, and then the wheel disc mortise broaching force is optimized to meet the actual processing requirements, which provides support for reducing the tool optimization design cost and improving the wheel disc processing quality.

The application discloses a kind of impeller slot-drawing equipment, it is related to the technical field of slot-drawing machine, this equipment includes rotating assembly, fixed assembly and slotting assembly, wherein rotating assembly, including fixed frame, first motor being arranged in fixed frame, rotating seat being connected with motor;Fixed assembly is arranged on rotating seat, including mounting frame, rotating rod being arranged on mounting frame, transmission rod being connected with rotating rod, clamp being connected with transmission rod, clock spring being arranged on clamp;And slotting assembly, including base, longitudinal moving block being connected with adjusting rod, drill bit being fixedly arranged on longitudinal moving block;By high versatility self-adapting clamping and self-locking fixing mechanism, and the special slotting system integrated with automatic circulation slot-drawing and accurate indexing function, effectively overcome the existing slot-drawing machine when applied to impeller machining There is the problem that fixture adaptability is poor, cannot efficiently and high-quality complete rotating shaft inner wall circulation slot-drawing.

The utility model discloses a broach die positioning structure based on a broaching machine, and belongs to the field of broach die positioning. Comprising a fixed disc, a guide piece and a positioning screw rod, the fixed disc is arranged on the broaching machine; a mounting groove for placing the guide piece is formed in the fixed disc; a guide groove for placing the broach is formed in the guide piece; a through groove allowing the broach to penetrate through is formed in the fixing disc. The guide groove is communicated with the through groove; a threaded hole communicated with the mounting groove is formed in the outer wall surface of the fixed disc; and when the positioning screw rod moves towards the direction of the guide piece in the threaded hole, the positioning screw rod is propped against the outer wall surface of the guide piece. The device has the beneficial effects that through the design that the positioning screw rods radially lock the guide pieces, an operator can quickly clamp or release the guide pieces only by screwing a single positioning screw rod, the guide pieces of different sizes can be replaced without disassembling a plurality of positioning screw rods, and more time is saved through the replacement mode.

The present application aims at providing a gas turbine compressor wheel disk mortise broaching device, belonging to the field of gas turbine processing, comprising a base, a main positioning shaft, a pressing rod, a gland, and a dismounting frame; the base is provided with an inner hole; the main positioning shaft is fixed on the upper end face of the base; the lower part of the pressing rod is provided with a boss; the bottom of the pressing rod extends into the inner hole of the base; the boss is pressed on the upper end face of the base and located in the main positioning shaft; the part of the pressing rod above the boss is sleeved with the dismounting frame; the wheel disk is placed on the base and sleeved outside the main positioning shaft and the dismounting frame; the position where the bottom of the wheel disk cooperates with the base is provided with an anti-rotation key; the bottom of the wheel disk is provided with a positioning groove; the positioning groove cooperates with the anti-rotation key in clearance; the lower end of the gland is installed at the end face of the wheel disk; and the top of the pressing rod extends out of the gland. After the compressor wheel disk mortise is broached by the present application, the wheel disk deformation is reduced, the processing precision and efficiency are improved.

This utility model relates to a fixture, specifically a keyway depth adjustable single-key puller fixture, which solves the technical problem that the puller pads of existing single-key puller assemblies wear out quickly, and that different thicknesses of pads are used for products with different keyway depths, making it difficult to guarantee the keyway depth. The fixture includes a front shaft and a rear shaft coaxially connected from front to back, a limiting component sleeved on the front shaft, a mounting ring sleeved on the rear shaft, a pad assembly, a positioning component, and a fixing component. The front shaft is used to set the workpiece to be processed, and the front face of the limiting component is used to limit the workpiece to be processed. The mounting ring is used to connect to the single-key puller fixture. The front shaft and the rear shaft have a communicating keyway along the axial direction for the puller to pass through. The pad assembly includes an upper pad and a lower pad, with the plane of the upper pad supporting the bottom of the puller. The positioning component is used to adjust the position of the upper pad relative to the lower pad, thereby adjusting the height of the puller.

The utility model provides a bearing bush broaching machine feeding device which comprises a mounting seat, a rotary adjusting seat rotatably connected with the mounting seat, an adjusting module and a guide rail seat, the adjusting module comprises a first adjusting block and a second adjusting block, and the first adjusting block and the second adjusting block are fixedly connected to the top of the mounting seat respectively and located on the left side and the right side of the mounting seat respectively; the first adjusting block is in threaded connection with a first adjusting screw, the lower end of the first adjusting screw abuts against the top of the left side of the rotary adjusting base, the second adjusting block is in threaded connection with a second adjusting screw, and the lower end of the second adjusting screw abuts against the top of the right side of the rotary adjusting base. The guide rail seat is connected with the rotary adjusting seat, a feeding plate is arranged on the guide rail seat in a sliding mode, a material placing station is arranged on the feeding plate, and an avoiding groove is formed in the material placing station; and the feeding plate is connected with a driving device, and the driving device is used for driving the feeding plate to slide back and forth along the guide rail seat. The bearing bush broaching machine feeding device can greatly improve the bearing bush machining efficiency.

The invention relates to the technical field of machining and manufacturing of turbine discs of aero-engines and gas turbines, and discloses a long-stroke six-axis turbine disc mortise broaching machine. Comprising a lathe bed module, a main transmission device, a slide carriage module, a turbine disc mortise dip angle rotating device, a turbine disc cone angle rotating device, a P point (turbine disc design reference point) adjusting device, a turbine disc mortise dividing device, a cutter box module and a cutter box replacing device. The six-axis turbine disc mortise broaching machine is used for machining the turbine disc with the dip angle and the taper angle, the machining precision, quality and production efficiency of the turbine disc mortise can be improved, and the design and manufacturing cost of a dip angle and taper angle adjusting clamp can be saved.

The utility model discloses a horizontal broaching machine relates to industrial parts processing equipment field, including device main part, device main part is provided with a plurality of guide blocks, and the inside bottom cooperation guide block of device main part is provided with a plurality of mounting blocks, and the mounting block is opened with the installation slot of cooperation guide block, and the mounting block is opened with the aperture, and the outside one end cooperation aperture of device main part is provided with the guide, and the device main part cooperation guide is provided with the connecting rod, and the connecting rod extends to the device main body, and the guide is opened with the first connecting port, and the first connecting port is opened with the guide and the connecting rod and the device main body in connection in the penetration, the utility model discloses the movement of card block is driven by the conveyer belt, and then automatically drives the movement of the pull strip to complete the loading and unloading, and does not need manual plugging. This not only greatly improves the working efficiency of broaching machine, but also reduces the mistake caused by manual operation, speeds up the production progress, and guarantees the efficient and stable operation of production process.

The invention relates to the technical field of broaching machines, and discloses a double-lead-screw small broaching machine which comprises a machine tool base, a control cabinet and a machine frame, a broach pushing seat is further installed in the machine frame, the control cabinet and the machine frame are both fixedly installed on the machine tool base, and the interior of the machine frame is composed of a reinforcing structure; a broaching tool clamping set is installed at the bottom of the machine frame, two symmetrically-arranged lead screws are further rotationally installed in the machine frame, broaching bases are movably installed on the lead screws, and the operation track of the broaching bases is from bottom to top. According to the broaching machine, the cutting process is completed by moving the workpiece, and compared with an existing broaching machine moving broaching tool, the operation distance of the broaching machine is greatly shortened (due to the fact that the broaching tool has the length when moving, the length of the broaching tool needs to be added to the moving stroke of the broaching tool), at the moment, the overall height of the broaching machine can be greatly reduced, and therefore the occupied space of the broaching machine is saved.

The numerical control broaching machine tailstock positioning mechanism comprises a tailstock body, a positioning and mounting structure and a moving guide rail, locking plates are arranged on the two sides of a positioning table of the moving guide rail, a moving assembly matched with an auxiliary groove and a positioning plate are arranged at the bottom of the tailstock body, and the positioning and mounting structure is mounted on a tailstock side plate; dual fixation of preliminary positioning and deep locking is adopted, a positioning column with a positioning block is screwed into a positioning groove of a positioning plate, and preliminary limiting is achieved through resilience force of a spring; a locking column is pressed and rotated, so that a locking block is embedded into a locking groove of a locking plate, a compression spring is deeply locked through resilience force, transverse and longitudinal displacement of the tailstock can be limited, and machining precision is guaranteed; moving wheels of a moving assembly slide on the arc-shaped inner wall of an auxiliary groove, a roller assembly on the top of a locking plate makes contact with the bottom of the tailstock, the moving resistance is greatly reduced through the double rolling friction design, and operation convenience is improved. The limiting ring and the baffle prevent components from falling off, the spring buffers collision and reduces abrasion, and the service life of the mechanism is prolonged.

This invention provides a surface broaching machine and a broaching method that can perform high-precision machining while taking into account the condition of the surface broach. [Solution] The surface broaching machine 100 according to the present invention comprises a surface broach 102 having multiple cutting blades 102a arranged vertically and horizontally, a broach holder 116 that holds the surface broach, and a workpiece fixing jig 118 that holds and moves a workpiece 104 relative to the surface broach. The workpiece fixing jig comprises a base 120 facing the broach holder, a clamp receiver 122 fixed to the base and in contact with the side surface 104a of the workpiece and the back surface 104b on the base side, a clamp 124 that presses the workpiece toward the clamp receiver, a plurality of wedge-shaped tapered liners 128 inserted between the clamp receiver and the base and arranged along the longitudinal direction of the workpiece, and an adjustment screw 132 for individually adjusting the insertion amount of the plurality of tapered liners.

The utility model discloses a simple tool for improving the machining location degree of a broaching machine, which comprises an upper pull-up broaching machine loading disc, an upper pull-up broaching machine sliding copper disc and a lower pull-up broaching machine loading disc which are sequentially arranged from top to bottom, the middle parts of the pull-up broaching machine upper loading disc, the pull-up broaching machine sliding copper disc and the pull-up broaching machine lower loading disc are matched for moving and limiting through flat key pins, and a stainless steel sleeve is arranged outside the middle connecting part; and three limiting blocks are arranged at the top of the upper loading disc of the pull-up broaching machine. The device is simple in structure and convenient to use; through combined use and cooperation of the three carrying discs and the three limiting blocks, it is guaranteed that a machined workpiece is fixed to the centers of the carrying discs, the machining position is guaranteed by moving the carrying discs, and the machining position degree of the broaching machine is improved.

The utility model belongs to the technical field of refrigerator handle tube machining, and discloses a refrigerator handle tube straight grain garland device which comprises a workbench, a hydraulic cylinder is installed on the top of the workbench, a piston rod of the hydraulic cylinder is connected with a movable seat, an ejector rod is installed on the side, away from the hydraulic cylinder, of the movable seat, and a fixed seat is fixed to the top of the workbench. The position of the fixed seat corresponds to the position of the movable seat, a straight-line garland mold is installed on the fixed seat, the position of the straight-line garland mold corresponds to the position of the ejector rod, guide holes are symmetrically formed in the movable seat, guide rods are arranged in the guide holes, the ends of the guide rods are fixedly connected with the fixed seat, and the fixed seat is fixedly connected with the straight-line garland mold. The hydraulic cylinder is used for pushing the short pipe to penetrate through the straight-line garland die, straight-line garland can be conducted on the short pipe, large equipment and sites are not needed, end breaking and tail breaking are not needed, and waste of raw materials is avoided.

The utility model relates to the technical field of ship bearing bush machining, and particularly discloses a ship bearing bush counterpart plane broaching device which comprises a base, a supporting frame installed on the upper end face of the base, a telescopic assembly arranged at the upper end of the supporting frame and used for conducting telescopic pressing on a workpiece, a shell fixedly installed on the base, and a sliding groove opening formed in the upper end of the shell. A fixing seat is arranged on the upper end face of the shell, an inner ejector block is installed at the upper end of the fixing seat, a friction block is arranged on the surface of the inner ejector block, a driving assembly for providing power drive is arranged at the lower end of the shell, a sliding assembly is arranged on the driving assembly, and a meshing assembly is installed at the upper position in the shell. The driving assembly is arranged to provide power to drive the sliding assembly to move so as to drive the meshing assembly to realize bidirectional reciprocating motion, so that the counterpart plane of the workpiece is subjected to bidirectional reciprocating broaching after the workpiece is fixed, and the broaching stability is improved through the bidirectional acting force of the meshing assembly; the problem that the precision of a workpiece is affected due to the fact that the workpiece is prone to displacement in the broaching process is solved.

The utility model relates to a transmission shaft sleeve spline groove positioning tool, which belongs to the field of transmission shaft accessory processing, and comprises a support plate arranged on a rack, a through hole for a broach to pass through is arranged on the support plate, a positioning cylinder is arranged at the position of the support plate at the through hole, and a step groove for supporting a sleeve is arranged in the positioning cylinder. A first clamping mechanism and a second clamping mechanism are arranged on the symmetrical side walls of the rack and used for clamping the outer side wall of the sleeve, and the sleeve is prevented from moving in the axial direction. The sleeve clamping and positioning device has the effect of conveniently clamping and positioning the sleeve.

The present application relates to the technical field of tool machining data acquisition, and provides a broaching tool machining data acquisition method and system, the method comprising: acquiring original information flow from various mechanical sensors, and time-aligning the original information flow to obtain aligned original information flow; based on the aligned original information flow, identifying transient events and extracting multi-dimensional features of the transient events; constructing a multi-channel space-time correlation fingerprint library; based on the transient events and the multi-dimensional features, constructing real-time multi-channel event sequences on each channel, and matching the real-time multi-channel event sequences with the multi-channel space-time correlation fingerprint library to obtain fingerprint matching results; based on real machining event fingerprints and electromagnetic noise fingerprints, and in combination with the fingerprint matching results, distinguishing real machining events from electromagnetic noise to identify broaching tool states and machining abnormalities. The present application has the effect of improving the accuracy of broaching tool state identification and machining abnormality diagnosis.

The invention discloses impeller groove broaching equipment, and relates to the technical field of groove broachers, the impeller groove broaching equipment comprises a rotating assembly, a fixing assembly and a grooving assembly, the rotating assembly comprises a fixing frame, a first motor arranged in the fixing frame, and a rotating seat connected with the motor; the fixing assembly is arranged on the rotating seat and comprises a mounting frame, a rotating rod arranged on the mounting frame, a transmission rod connected with the rotating rod, a clamp connected with the transmission rod and a clockwork spring arranged on the clamp; the grooving assembly comprises a base, a longitudinal moving block connected with the adjusting rod and a drill bit fixedly arranged on the longitudinal moving block; by means of the high-universality self-adaptive clamping and self-locking fixing mechanism and the special grooving system integrating the automatic circulating groove broaching function and the precise indexing function, the problems that when an existing groove broaching machine is applied to impeller machining, the clamp adaptability is poor, and circulating groove broaching of the inner wall of a rotating shaft cannot be efficiently completed with high quality are effectively solved.

The utility model relates to the field of broaching tool equipment, and discloses broaching tool equipment for machining the inner surface of a pipe fitting, the broaching tool equipment comprises a machining table, inner supporting plates are installed on the two inner sides of the upper portion of the machining table correspondingly, cross rods are fixedly connected between the corners of the same sides of the two inner supporting plates correspondingly, and a supporting frame is installed on one side of the outer portion of the cross rod located on the upper portion; a driving motor is installed at the right-angle end of the upper portion of the supporting frame, a bidirectional lead screw is installed at the output end of the driving motor, sleeve blocks are spirally arranged at the upper end and the lower end of the exterior of the bidirectional lead screw in a transmission mode, and the driving motor drives the bidirectional lead screw to rotate and drives the sleeve blocks at the upper end and the lower end to move oppositely. And the fixed block and the supporting blocks are driven to move synchronously, so that the two supporting blocks can be tightly attached to the exterior of a pipeline cutting area, the supporting performance on the exterior of the pipeline is improved, excessive deformation of the inner surface of the pipeline during machining is avoided as much as possible, and the yield of the machined pipeline is increased.

The utility model discloses a broaching device for machining a special-shaped structure on the inner wall of a pipe fitting, and relates to the technical field of broaching devices, the broaching device comprises a base, an end plate is fixedly arranged at one end of the base, a plurality of brackets are fixedly arranged on the base, a central column is fixedly arranged on the end plate, a sliding block is arranged on the central column in a sliding mode, and the bracket is fixedly arranged on the sliding block. A sliding block is installed on the bracket, a pair of broaching tools I and II is fixedly arranged on the sliding block, a sliding block driving assembly is installed on the end plate, and a plurality of ejector rods are fixedly arranged on the end plate. Pipe fittings can be supported through the bracket, and it can be guaranteed that gaps can be reserved between the pipe fittings and the end plate through the ejector rods; the sliding block can be conveniently and completely moved out of the pipe fitting, the sliding block is pulled to move through the sliding block driving assembly, rectangular protrusions on the two side walls of the pipe fitting are broached through the first broaching tool and the second broaching tool, the moving track of the sliding block can be limited through the center column, and broaching precision is guaranteed.

The invention discloses a precise broaching forming switching device and method for a complex mortise molded surface of an aviation high-pressure thin-wall disc. The device comprises a disc-shaped adapter, one end of the disc-shaped adapter is provided with a round groove connected with a broaching clamp, the other end of the disc-shaped adapter is provided with a round boss connected with a rotary table of broaching equipment, threaded connection holes and key grooves are evenly distributed in the outer circumferences of the two ends of the disc-shaped adapter, and positioning blocks are fixed through bolt holes in the key grooves to prevent circumferential rotation. The diameter of the adapter is designed to be Dz = (0.7-0.9) Df1, Df1 is the distance from the bottom of the mortise to the center of the wheel disc, a cutter is effectively avoided, and the rigidity requirement is met. The method comprises the following steps: polishing a mounting surface, mounting step by step, strictly controlling the jerk values (less than or equal to 0.005 mm and less than or equal to 0.01 mm respectively) of an adapter and a clamp, broaching at different speeds (rough broaching at 0.8-1.0 m / min and finish broaching at 0.25-0.6 m / min), and controlling the indexing angular acceleration (0-0.8 r / min) of a rotary table. The problem of adaptation of the rotary table and an existing clamp is solved, redesign of the clamp is avoided, the cost is remarkably reduced, and the machining precision is guaranteed.