121results about "Gear-cutting machines" patented technology

The utility model discloses a kind of worm processing comprehensive machine tools, including bed, the upper surface both sides of bed are fixedly installed with two symmetrical distribution primary bearing seat, one number screw rod is rotatably connected between two primary bearing seats, the outer thread of one number screw rod is connected with horizontal slide, the output shaft of one number motor is fixedly connected to one end of one number screw rod, symmetrically distributed secondary bearing seat is fixedly installed in the front and back two ends of horizontal slide, two secondary bearing seats are rotatably connected with two number screw rod, two number screw rod and one number screw rod are perpendicularly arranged between each other, the outer thread of two number screw rod is connected with longitudinal slide, the output shaft of two number motor is fixedly connected to one end of two number screw rod, equipment seat is fixedly installed on the upper surface of longitudinal slide, the machine tool of the utility model whole structure is simple, floor area is small, manufacturing difficulty is low, effectively reduce the enterprise's early purchase and later use cost, with good use economy, suitable for small and micro manufacturing enterprises development use.

The utility model discloses a gear processing seat belongs to gear processing technical field, solved the wheel tooth of existing device's plug -in block will shade the side of gear, need to dismantle gear, adjust the angle of gear, can continue to process to gear only, it is troublesome to use more problem, including support seat, the middle part of support seat is provided with angle adjusting assembly, the support seat includes bottom plate, the rear side fixed mounting of bottom plate top surface is provided with L shaped board, and the middle part fixed mounting of L shaped board side wall is provided with support plate. Through the pressure tight fixed component, the gear is pressed tightly and is fixed on the top surface of the turntable, and the gear plate is moved in the inside of the U shaped board through the hydraulic rod, and through the setting of the meshing of the gear plate and the driven gear, the driven gear, the rotating rod and the turntable can rotate together, and then the gear on the top surface of the turntable and the pressing plate rotate together, the angle of the gear can be adjusted, the situation of shading the side of the gear is avoided, and the processing efficiency is improved.

The application discloses a limiting gear expansion sleeve clamp, which comprises a clamping body, a pull rod and an expansion sleeve, the expansion sleeve is fixedly connected with the pull rod, a tapered head is formed on the upper end of the clamping body, the expansion sleeve is sleeved outside the tapered head and the two are matched through a taper surface, and the limiting gear expansion sleeve clamp further comprises a lower supporting seat used for abutting against and supporting the lower end surface of a workpiece and an upper pressing seat used for abutting against and pressing the upper end surface of the workpiece, the upper pressing seat and the lower supporting seat are both hollow; a stepped surface is arranged below the tapered head of the clamping body, the lower supporting seat is sleeved on the stepped surface and detachably connected with the stepped surface; a plurality of limiting columns are further protruded on the upper end surface of the lower supporting seat, a plurality of limiting grooves are correspondingly recessed on the lower end surface of the upper pressing seat, the limiting columns penetrate through the workpiece and are inserted into the limiting grooves; and the expansion sleeve is located in a cavity enclosed by the upper pressing seat and the lower supporting seat, and the upper end of the expansion sleeve does not expose the upper pressing seat. The structure is more stable in clamping and positioning and can play a good protection role and effectively prevent the entry of waste chips.

This invention discloses a spindle structure for a gear grinding machine, belonging to the field of turning technology. It mainly includes a disassembly and assembly assembly, a housing, a mandrel, and connecting rods. The mandrel is rotatably fitted onto the housing. A connecting rod is provided at each end of the mandrel, and a disassembly and assembly assembly is provided at each end of the mandrel. Each disassembly and assembly assembly includes a connecting sleeve, a connector, a sliding head, a connecting nozzle, a stabilizing plate, a slip ring, and an extension arm. The end of the mandrel has a coaxial insertion hole. When the connecting rod is inserted into the insertion hole of the mandrel, a pressure chamber is formed between the insertion hole and the connecting rod. The connecting sleeve is fitted onto the mandrel, and its inner cavity communicates with the pressure chamber. The sliding head slides axially along the mandrel onto the housing. The stabilizing plate is mounted on the connecting rod. The slip ring is connected to the sliding head and is located near the inner end of the stabilizing plate. The extension arm is connected to the sliding head and is located near the outer end of the stabilizing plate. This spindle structure for a gear grinding machine can solve the problem of vibration caused by multiple cutting tools.

The utility model relates to gear processing technical field, and specifically discloses a gear processing fixed frock, including fixed platform and cylinder, fixed platform is circular mechanism, and the hollow chamber is set up in fixed platform inside, and the fixed platform top center fixedly connected with cylinder, four openwork windows are set up in the periphery of the cylinder top outside hollow chamber, and the sliding slot is set up in each openwork window top and bottom symmetry, and the sliding block is connected with sliding slot in, and the arc top block is fixedly connected with every two opposite sliding blocks, and the inclined thread is set up in each arc top block close to cylinder center one side, and the rotating column is connected with cylinder center sliding, and the flat top cone is fixedly connected with rotating column top end and is located openwork window top, and the support seat is fixedly connected with hollow chamber bottom center, and rotating column bottom and support seat center hole sliding connection. Through four arc top blocks to the synchronous exertion of force to the processing gear inner race can realize the centering and fixed function of processing gear integration.

This utility model relates to the technical field of sun gear machining fixtures, specifically a sun gear hobbing composite fixture, including a base, a mandrel mounted at the center of the base, a clamping device mounted on the base, and a hydraulic nut located on the top of the mandrel. The clamping device includes a jaw mounted on the base, an adjusting rod rotatably connected to the jaw, and a pressure plate fixed on the base. The pressure plate has a raised long key. The jaw includes a jaw head section, a cylindrical section perpendicularly fixed to the jaw head section, and limiting keys symmetrically fixed on both sides of the cylindrical section. A threaded hole is opened in the center of the cylindrical section. The adjusting rod includes a threaded section, a middle section, and an end fixed in sequence. The middle section has an annular groove, and the end has a hexagonal shape. The threaded section of the adjusting rod is connected to the threaded hole in the cylindrical section. The long key is located in the annular groove of the middle section of the adjusting rod. This fixture can simplify the sun gear alignment steps, improve alignment efficiency, save process changeover time, and significantly improve production efficiency.

This utility model relates to the field of gearbox parts processing technology, and discloses a gear-shaping fixture for gearbox gear processing, including a rotating base. A rotating ring is movably connected in the inner cavity of the rotating base. A spiral rack is fixedly installed on the upper part of the rotating ring, and a helical gear ring is fixedly installed on the bottom of the rotating ring. A servo motor is fixedly installed at the front of the inner cavity of the rotating base. A helical gear is fixedly sleeved on the output shaft of the servo motor, and the outer extension of the helical gear meshes with the helical gear ring. A moving rod is evenly and movably sleeved in the inner cavity of the rotating base above the rotating ring. The bottom of the moving rod is evenly provided with grooves, which fit with the spiral rack. The servo motor drives the rotating ring, and with the fit between the spiral rack and the grooves, the moving rod drives the clamping plate to fix the internal gear. This facilitates the fixture to fix internal gear rings of different diameters, enhances the applicability of the fixture, improves the working efficiency of the fixture, ensures that the internal gear ring is centered, and reduces positional errors.

This invention discloses a dual-tool gear turning machine, relating to the field of gear turning machine technology. The invention includes a gear turning base, a dual-tool gear assembly, a rotary table, a part clamping device, and a gear turning adjustment mechanism. The right half of the gear turning base has a rotary table with a support rod on it. An installation notch is provided on the upper inner half of the support rod, and a part clamping device is installed within the notch. The left half of the gear turning base has a gear turning adjustment mechanism, on which a gear turning motor is mounted. The dual-tool gear assembly includes a first tool, a second tool, and a locking threaded cylinder. This invention, by setting up the dual-tool gear assembly, achieves the required cutting depth through multiple cuts in a single operation. The part clamping device can be adapted to clamp the cylinder, making clamping and disassembly convenient and quick. This solves the problems of existing cylinder cutting methods, such as the inability to cut deep grooves in one operation, significant damage to the tool when cutting deep grooves, and cumbersome cylinder clamping and disassembly at the cutting position.

This invention relates to the field of gear ring machining technology, specifically to an adjustable radial clamping fixture for machining large gear rings. It includes a waste liquid collection tank and a support frame fixedly mounted on the waste liquid collection tank. The fixture also includes a primary clamping assembly comprising two first clamping blocks and several second clamping blocks arranged circumferentially, with the two first clamping blocks distributed at both ends of the circumference. The support frame is equipped with a clamping adjustment assembly for driving the first and second clamping blocks to clamp the blank. After the blank is machined to a semi-finished product, the clamping adjustment assembly drives the second clamping blocks to release the semi-finished product. This eliminates the need for re-lifting and transferring the semi-finished product, reducing the risk of exposure to precision semi-finished products and thus reducing the possibility of scrapping the entire semi-finished product, improving production efficiency. Furthermore, it eliminates the need for large clearance spaces when transferring semi-finished products with lifting equipment, reducing the space occupied by the equipment and improving space utilization.

The utility model discloses a kind of gear hobbing device for rail brake gear machining, the utility model relates to gear mechanism equipment technical field;Including: base, the bottom of the base is fixedly connected with motor, the output of the motor is fixedly connected with connecting rod, the top of the connecting rod is provided with gear cutter, the outside of the gear cutter is provided with rotating device, the inside of the rotating device is provided with clamping device;The utility model is through setting rotating device, when different gears are processed, through screw rod, let the coordinated cooperation of push spring and rotating disc, make gear cutter separate from the output of bottom motor, can obtain quick replacement, also through setting clamping device, cooperate rotating device, through the sleeve handle of top first step gear cutter in rotating disc is pushed out, make gear cutter in rotating disc separate from the output of bottom motor, again through rotating the screw rod of top and the compression spring set in bottom, drive inside movable rod separate from the inner wall of connecting bearing.

The application provides a hobbing machining system, a control method, a device and a medium, and relates to the technical field of numerical control machine tools.The hobbing machining system comprises a hobbing machine tool, a tool holder and a tool changing robot, a tool fixing mechanism is used for fixing tools, a tool station is used for storing tools, the tool changing robot is used for changing the tools installed on the tool fixing mechanism, the tool changing robot comprises a mechanical arm, a gripper, a visual sensor and a force sensor, the gripper is used for grabbing tools, the gripper is arranged at the end of the mechanical arm, the visual sensor is used for identifying the positional relationship between the tools grabbed by the gripper and the tool fixing mechanism, and the force sensor is used for identifying the connection state between the tools grabbed by the gripper and the tool fixing mechanism.The coordinated action between the hobbing machine tool, the tool holder and the tool changing robot improves the continuous machining capacity of the hobbing machine, thereby improving the production efficiency of the hobbing machine.

This invention relates to the field of valve processing technology and discloses a valve transmission gear cutting processing device, including a frame, side plates symmetrically mounted on the frame, and a top plate connected to the other side of the side plates. A cutting assembly is installed between the two side plates, and an inclined guide plate is installed between the two side plates. Multiple fixed assemblies are rotatably connected to the frame along the X-axis, and the fixed assemblies pass through and extend above the guide plates. A driving assembly for driving the multiple fixed assemblies to rotate is also installed on the frame. This invention has the following advantages and effects: the driving assembly drives the debris separation assembly in the separation box to rotate synchronously via a synchronous belt. During the rotation of the debris separation assembly, the metal debris intercepted on the filter screen can be gradually pushed to the preset notch on the filter screen, and finally the debris falls into the collection box at the corresponding notch position on the separation box, realizing the centralized discharge and collection of metal debris, facilitating subsequent unified cleaning, eliminating the need for manual cleaning, and saving costs.

The application discloses a large modulus rack processing milling machine movement system and relates to the technical field of machine tool driving control processing. The large modulus rack processing milling machine movement system comprises a workbench and a hydraulic lifting base. A water filtering plate is internally arranged in the workbench. Water filtering holes are arranged in the water filtering plate. A lower sliding seat is slidably connected to the upper surface of the water filtering plate. An active seat is connected to the upper surface of the lower sliding seat. An upper sliding seat is slidably connected to the upper surface of the active seat. A storage plate is arranged on the upper surface of the upper sliding seat. Elastic covers are arranged between the upper and lower sides of the upper sliding seat and the active seat. The lower sliding seat, the fixed seat and the upper sliding seat are arranged in the workbench, the movement structure for driving the rack to move forward and backward and left and right is arranged in the workbench, the load of the movement system is reduced, and the active space required by the rack movement is reduced. The active seat and the scraper are arranged, the movement system can drive the rack to move, and the waste in the workbench can be cleaned.

This invention relates to the field of machine tool fixture technology, specifically to a gear grinding fixture. It includes a fixture body and an adjusting device. An expansion member is fixedly connected to the upper end of the fixture body. The adjusting device is located directly below the fixture body and includes a fixed plate at the bottom of the fixture body. Multiple mounting bolts are threadedly connected to the fixture body and the fixed plate. An adjusting plate is fixedly mounted at the bottom of the fixed plate. An upper plate and a lower plate are fitted onto the surface of the adjusting plate. Multiple airbags are inserted between the upper and lower plates, located on one side of the adjusting plate. Through the adjusting device, the fixture position can be adjusted according to the offset of machine tool components. It can also dynamically compensate for fixture installation deviations, solving the problem of fixture position mismatch caused by accuracy degradation after long-term use of traditional machine tools. The airbag drive method is flexible and can effectively control gear tooth profile, tooth thickness, and pitch errors, improving gear meshing smoothness and assembly adaptability.

This provides an improved method for measuring and analyzing the shape of gear tooth profiles. [Solution] The present invention relates to a method for measuring the shape of the teeth of a helical gear, wherein a sensor is guided along at least one measurement path on the tooth surface of the tooth profile to measure the shape of the tooth surface at multiple points along the measurement path, the measurement path extends obliquely to the tooth surface in at least a portion of the area, and scans the meshing area on the tooth surface in the tooth profile direction and the tooth trace direction over at least 50% of its range.

The utility model discloses a kind of adjustable polishing area's polishing devices for gear forging machining, including bottom plate, the top of bottom plate is fixedly connected with processing box by support, the front and rear ends of processing box inner chamber top are evenly installed with first electric sliding table, the bottom fixed connection of first electric sliding table has connecting plate, the bottom of connecting plate is installed with second electric sliding table, the bottom fixed connection of second electric sliding table has first electric telescopic rod, the bottom fixed connection of first electric telescopic rod has motor.The utility model can make gear forging be polished in relatively closed environment by processing box, so that waste chips generated in polishing process can be prevented from flying everywhere, using second electric telescopic rod and arc clamping plate, clamping mechanism can be formed, gear forging needing polishing can be fixed, and it is convenient for people to polish gear forging of different sizes.

The application provides a high-speed precise heavy-duty gear tooth profile dynamic modification processing device and dynamic modification method, and belongs to the technical field of gear processing. The heavy-duty adaptive clamping mechanism is fixedly installed in the middle part of a rack assembly. The high-speed precise driving mechanism is in transmission connection with the heavy-duty adaptive clamping mechanism and a dynamic modification executing mechanism respectively. The dynamic modification executing mechanism is slidingly assembled on the upper part of the rack assembly. The multi-dimensional detection mechanism is fixedly arranged at the position of the corresponding processing area of the rack assembly. The cooling and dustproof mechanism is arranged on the periphery of the processing area. The central control system is in electrical signal connection with the heavy-duty adaptive clamping mechanism, the high-speed precise driving mechanism, the dynamic modification executing mechanism, the multi-dimensional detection mechanism and the cooling and dustproof mechanism respectively. The high-speed precise heavy-duty gear tooth profile dynamic modification processing device and dynamic modification method solve the problems of static modification, insufficient rigidity of clamping and driving, limited tool adjustment and offline detection lag of the existing modification device.

The application belongs to the technical field of gear precision machining, and particularly relates to a high-precision machining method for a complex curved gear, which comprises the following steps: obtaining a three-dimensional model of the gear and planning an initial machining path; predicting a tooth profile error based on the path and performing real-time dynamic compensation in machining; predicting a heat treatment deformation trend based on the compensated motion track and real-time data; adjusting heat treatment process parameters according to the predicted deformation trend; detecting the final state of the gear after heat treatment, and updating the error prediction and compensation model according to the detection result. The application associates the real-time error compensation of the machining process with the prediction control of the heat treatment deformation and forms a closed loop, thereby overcoming the problem that the machining precision and the structural stability after heat treatment are difficult to be cooperatively ensured in the prior art, and realizing the unified manufacturing of the complex curved gear with high precision and high reliability.

This invention discloses an automatic clamping gear hobbing machine for wheel hub tubes, belonging to the field of automotive parts processing technology. By driving a synchronous adjustment component, the adjusting ring can rotate, and five radial locking blocks slide synchronously along the annular limiting groove. The radial locking blocks retract radially towards the axis along the limiting groove, and the five evenly distributed radial locking blocks move synchronously towards the center. The arc surface of the inner wall tightly fits against the outer circular surface of the workpiece top, locking it axially. This connects the wheel hub tube workpiece with the workpiece locking sleeve and the mounting plate as one unit. The mounting plate with the wheel hub tube workpiece is then placed on a support plate, and the L-shaped positioning key aligns with the keyway. Therefore, when processing wheel hub tube workpieces without keyways, there is no need to add an extra milling process for the keyway and subsequent removal process, significantly improving the workpiece production cycle and increasing production efficiency. It can also adapt to the needs of batch production of workpieces of different specifications, which is beneficial for efficient and stable processing of wheel hub tubes.

The invention relates to a method for polishing and grinding gears with a polishing and grinding tool in a gear grinding machine.To ensure that the surface quality (roughness) of the tooth flanks is not only maintained within an optimal range during a polishing and grinding process, but also to achieve the best possible geometry of the machined gear, the procedure comprises the following steps: a) Measuring the tooth flanks of a tooth gap on a pre-ground reference gear across the tooth height and tooth width at a number of measuring points; polishing and grinding the gear with an initial radial infeed; remeasuring the flank surface; comparing the measured position of the tooth flanks with the original position; if the comparison shows that not all measuring points have yet been changed: saving the measured positions of the flanks where a change has already occurred, as well as the required radial infeed, and repeating the polishing and grinding with an incrementally increased infeed; b) Determining a correction value or...a correction function for the subsequent polishing grinding from the determined radial infeeds required for a change at all measured points of the flanks; c) polishing grinding of gears based on the determined correction value or the determined correction function.

This utility model discloses a machining fixture for automotive torsion bar teeth, including a base, symmetrically arranged support seats on the base, and a first hydraulic cylinder on the base. One end of the telescopic rod of the first hydraulic cylinder is connected to a lifting plate. The bottom of the lifting plate is symmetrically arranged with clamping blocks that cooperate with the support seats to hold the torsion bar. Spring guide rod buffer assemblies are fixedly installed on the inward-facing sides of both support seats, and movable support assemblies are symmetrically arranged on the outward-facing sides of both support seats. The movable support assemblies support the two ends of the torsion bar respectively. This utility model allows for flexible adjustment of the support positions according to torsion bars of different lengths, achieving adaptive support for both ends of the torsion bar and improving the versatility of the fixture. The spring guide rod buffer assembly and the movable support assembly buffer the vibration of the middle and ends of the torsion bar; the double buffer design effectively reduces vibration interference and significantly improves the machining accuracy of the teeth.

The application discloses a gear grinding fixture, which comprises a body, a base, a tensioning sleeve, a pull rod and a piston, wherein the body is detachably connected with the base, and a piston cavity is formed in the base; a bottom plate is arranged on the lower end cover of the base, an annular positioning boss is arranged on the upper end surface of the bottom plate, the positioning boss extends into the lower end of the piston cavity, and a first sealing ring is arranged between the outer circumferential surface of the positioning boss and the inner circumferential surface of the piston cavity; the piston comprises a small-diameter upper section, a large-diameter middle section and a small-diameter lower section which are sequentially connected in sequence; the outer circumferential surfaces of the small-diameter upper section and the large-diameter middle section are respectively provided with second and third sealing rings between the outer circumferential surfaces and the inner circumferential surface of the piston cavity; the small-diameter lower section extends into the positioning boss downwards, and a fourth sealing ring is arranged between the circumferential surfaces of the small-diameter lower section and the positioning boss; a positioning hole is concavely arranged on the lower end surface of the small-diameter lower section, a positioning column is detachably connected on the bottom plate in correspondence, the positioning column extends into the positioning hole upwards to form an up-and-down sliding fit, and a first positioning pin is arranged between the large-diameter middle section and the base. The structure has a good piston positioning effect and is stable and reliable in movement.

This utility model provides a gear-shaping clamp, belonging to the field of clamping technology. It solves the problems of high assembly difficulty and high precision requirements caused by excessive parts in existing technologies. This utility model includes a main housing, a positioning ring, a mounting housing, an elastic chuck, a clamping rod, a spacer, and a limiting ring. Connecting rings are formed at both ends of the main housing, with a first limiting hole in each connecting ring. A first connecting step and a second connecting step are respectively formed on both sides of the main housing. A mounting protrusion is formed on one side of the main housing of the first connecting step, and the positioning ring is sleeved on the outside of the mounting protrusion. A connecting ring is formed at one end of the mounting housing, with a second limiting hole inside the connecting ring. The elastic chuck is fixedly installed inside the mounting housing, with a third limiting hole in the elastic chuck. A connecting recess is formed on one side of the spacer, with a fourth limiting hole in the spacer inside the connecting recess. A fifth limiting hole is formed on the limiting ring. The clamping rod passes through each limiting hole sequentially and connects to the elastic chuck. This utility model has the advantages of simple assembly, low installation difficulty, strong structural rigidity, and good chuck buffering effect.

The utility model relates to gear processing device and hobbing assembly. Gear processing device is used to form multiple helical gears (120) in work piece (100), have: hobbing assembly (200), including hobbing axle (210) and multiple hobbing parts (230, 240), the hobbing axle has hobbing rotation axis (C2), and multiple hobbing parts are set up in the hobbing axle with each other apart interval, the hobbing retaining portion (20) is kept as can rotate to the hobbing assembly, the work piece retaining portion (30) has work piece rotation axis (C1), and the work piece is kept as can rotate, and the control unit (300) controls the posture of hobbing assembly, to make work piece rotation axis and the relationship of hobbing rotation axis become accurate orthogonal, and through parallel movement control of parallel movement of hobbing assembly relative to work piece rotation axis and quasi parallel movement control of quasi parallel movement control at least one control hobbing assembly's movement.

The utility model belongs to the field of gear hobbing machine clamping, concretely is a kind of gear hobbing machine clamping device, including processing table;The top of processing table is fixedly connected with first support plate, the side surface of first support plate is fixedly connected with first motor, the output of first motor is fixedly connected with rotating plate, rotating plate is rotatably connected with first support plate, the inside of rotating plate is equipped with sliding slot, the inside of sliding slot is rotatably connected with positive and negative tooth screw rod, the surface of positive and negative tooth screw rod is threadedly connected with sliding block, sliding block is slidably connected with sliding slot, the side surface of sliding block is fixedly connected with clamping block, clamping block is slidably connected with rotating plate;Through can be clamped positioning to a variety of diameter gear, and can drive gear rotation, adjust processing angle, need not to replace corresponding size size again, improve the efficiency of gear dismounting and production.

Measurement of workpiece (gear or other toothed article) temperature prior to dimensional inspection of the workpiece wherein the workpiece (32, 34, 36, 38) is positioned on a temperature measurement station (20) and in contact with a temperature measurement sensor (24) and / or adjacent to a temperature measurement sensor (60).

The utility model relates to machining technical field especially is a kind of clamping and positioning integrated fixture for hobbing machining, including main part, the top of main part is provided with positioning assembly, the top of positioning assembly is provided with clamping assembly;The utility model can position the position of two clamping plates before fixing them by using the position transformation of positioning block inside positioning groove, adjust the distance between two clamping plates, can ensure the positional accuracy and adjustability of workpiece, clamping and positioning function are integrated, reduce the clamping time and adjustment step, the integrated design of clamping and positioning device reduces error source, improves processing accuracy, using clamping nut, clamping screw and clamping plate can be quickly clamped and released to workpiece, the clamping and loosening of workpiece are realized by rotating clamping nut, elastic rubber pad is arranged between clamping plate and workpiece, for providing elastic clamping force, prevent workpiece from deforming due to excessive clamping force in the processing.

The application discloses a cylindrical gear machining device and method, and relates to the technical field of gear machining. The cylindrical gear machining device comprises a device body, a chuck and a gear hobbing machine group which are installed on the device body, and further comprises a hanger which is connected with the gear hobbing machine group, a supporting plate which is fixedly connected to the bottom of the hanger, a supporting plate which is fixedly connected to the supporting plate, and the supporting plate and the gear hobbing machine group are respectively located on the two sides of the axis of the chuck; a horizontal pipe which is provided with a through groove and is connected to the supporting plate; a transmission gear is fixedly installed on the outer wall of the horizontal pipe, and the horizontal pipe is connected with the chuck through a connecting part; through the arrangement of the supporting plate and the horizontal pipe, the other side of the cylindrical blank can be supported, the cylindrical blank is not prone to deviation and vibration during the machining process, and thus the precision of the cylindrical gear is guaranteed.

This invention discloses a CNC gear hobbing machine for vertical rotary drive manufacturing, belonging to the field of gear hobbing machine technology. Specifically, it includes a machine tool housing, a rotary platform disposed within the machine tool housing, a fixture, and a gear hobbing tool mechanism. The fixture is mounted on top of the rotary platform, and a workpiece is clamped at the top of the fixture. An annular filter cover is disposed on the outer side of the middle part of the fixture. A lifting mechanism is disposed within the machine tool housing, and the lifting mechanism is drivenly connected to a curved support plate that can be fitted onto the outer side of the annular filter cover. A side detection mechanism and a camera are disposed on the curved support plate. This CNC gear hobbing machine for vertical rotary drive manufacturing, through the composite detection structure formed by the camera and the side detection mechanism targeting different processing states of the workpiece, allows for timely detection of abnormalities and reduced losses when the camera detects a significant color change in the iron filings collected within the annular filter cover. The side detection mechanism further assesses the situation by measuring the thickness of the burrs on the workpiece.

The invention relates to a method for shaping a periodic structure, in particular a toothing on a workpiece, in which a motor-driven lifting mechanism lifts the shaping tool off from the workpiece for the return stroke after processing in the working stroke, characterised by a rotational angle range of the lifting cam, which is associated with a circumferential cam profile range of a lifting cam of the lifting mechanism driven in rotation by the motorised drive and determines the degree of engagement between the shaping tool and the workpiece in a portion of the working stroke of a lifting cycle, said rotational angle range being run through one more time during the same lifting cycle, but in the reverse direction of rotation.