1395results about "Gear teeth" patented technology

The invention relates to the technical field of numerical control machining monitoring, in particular to a tooth deviation high-precision monitoring system in a tooth cutting machining process, which comprises an online measurement module, a dynamic compensation module, a deviation calculation module and a result output module which are in signal connection with a numerical control system of a tooth cutting machine tool, the online measurement module, the dynamic compensation module, the deviation calculation module and the result output module are integrated on the processing element; the processing element is used for obtaining workpiece design parameters and constructing a theoretical workpiece model, the online measurement module is used for collecting tooth surface point cloud data in real time in the machining process, the dynamic compensation module is used for correcting vibration errors and temperature errors of the point cloud data, and the deviation calculation module is used for quantifying tooth surface deviation values. And the result output module is used for generating an early warning signal and a dynamic correction instruction and executing system self-calibration. The device and a numerical control system form a closed loop of machining, monitoring, correction and remachining, and finally high-precision real-time monitoring and dynamic correction of tooth deviation are achieved.

The invention belongs to the technical field of gear precision machining, and particularly relates to a high-precision machining method for a complex curved surface gear, which comprises the following steps: acquiring a gear three-dimensional model and planning an initial machining path; tooth profile errors are predicted based on the path, and real-time dynamic compensation is conducted in the machining process; predicting a heat treatment deformation trend based on the compensated motion trail and the real-time data; adjusting heat treatment process parameters according to the predicted deformation trend; and detecting the final state of the gear after heat treatment, and updating the error prediction and compensation model according to a detection result. According to the method, real-time error compensation in the machining process is associated with predictive control of heat treatment deformation to form a closed loop, the problem that in the prior art, machining precision and structural stability after heat treatment are difficult to cooperatively guarantee is solved, and high-precision and high-reliability unified manufacturing of the complex curved surface gear is achieved.

The invention relates to the technical field of gear machining, and discloses adjustable precision gear turning equipment which comprises a device body, and the device body comprises a hob and a workbench; and the dynamic following type supporting unit comprises a rotating disc connected to the centering connecting column through a bearing, multiple sets of supporting rods are annularly arranged on the rotating disc, a supporting plate is installed at the ends, away from the rotating disc, of the supporting rods, and multiple sets of edge supporting assemblies are arranged on the supporting plate. By arranging the dynamic following type supporting unit, the supporting plate and the edge supporting assembly of the dynamic following type supporting unit can provide active upward supporting force for the bottom face of the gear to be machined, and during hobbing, the supporting force can actively offset downward cutting force generated by a hobbing cutter to form balance, so that bending deformation of a workpiece is directly prevented, and the service life of the gear to be machined is prolonged. Errors such as tooth shape concave and tooth direction inclination of the machined gear are avoided, and the machining precision and the surface quality of the gear are remarkably improved.

The invention relates to the technical field of planetary gear machining equipment, and discloses a planetary gear machining device with a bidirectional feeding mechanism, which mainly comprises a planetary gear machining machine tool machining table for bearing machining operation, and a conveying mechanism for conveying planetary gear blanks, the bidirectional feeding mechanism is used for realizing bidirectional precise feeding; the conveying mechanism is arranged between machining tables of the planetary gear machining machine tool and used for achieving long-distance conveying of blanks. Two-way operation of blank feeding and finished product discharging can be achieved through the feeding robot of the two-way feeding mechanism, manual intervention is not needed, the blanks on the conveying belt are accurately transferred to the machining table, the finished products are transferred to the designated position after machining is completed, and automation of the whole process is achieved; the mechanical arm of the feeding robot is flexible and controllable and can be matched with the rotating shaft to meet the grabbing and transferring requirements of different angles, the feeding path is accurate, the feeding time is greatly shortened, and the batch production efficiency is improved.

The invention relates to the technical field of workpiece conveying, in particular to a gear train component machining, conveying and positioning system. Comprising a base and a lower conveying belt in transmission connection with the top of the base. The lower conveying belt is evenly and fixedly connected with the lower trays in the transmission direction. A limiting column is arranged on the upper surface of the lower tray; the center of the upper surface of the base is fixedly connected with a top base through a supporting plate. The lower surface of the top seat is in transmission connection with an upper conveying belt; the upper conveying belt is evenly and fixedly connected with the upper trays in the transmission direction. The lower surface of the upper tray is provided with upper supporting holes allowing the upper ends of the limiting columns to be inserted therein. The limiting columns are clamped into the upper supporting holes of the upper tray in the conveying process of the lower conveying belt, so that the upper ends and the lower ends of the limiting columns are positioned, and the limiting columns drive the stacked annular blanks to be more stable in the conveying process; and the situation that the limiting column is unstable due to impact force such as inertia is avoided.

The invention provides a double-station gear grinding machining device and belongs to the technical field of gear machining.The double-station gear grinding machining device comprises a machining table, strip-shaped grinding teeth, a guide assembly, a first driving assembly, a second driving assembly and a rotary supporting assembly, a U-shaped support plate is fixedly arranged on the upper portion of the machining table, and the rotary supporting assembly is installed on the upper portion of the machining table; the strip-shaped grinding teeth are arranged at the bottom of the mounting plate and used for rotationally supporting a gear to be ground, the multiple sets of strip-shaped grinding teeth are fixedly arranged at the bottom of the mounting plate at intervals, the multiple strip-shaped grinding teeth can be meshed with the gear to be ground, and the first driving assembly and the second driving assembly are mounted on the U-shaped support plate. The first driving assembly is used for driving the mounting plate to intermittently move in the length direction of the machining table. Compared with the prior art, the full-automatic gear grinding operation of the gear to be ground can be achieved, and the gear grinding device has the advantages of being high in gear grinding efficiency and good in organic gear grinding effect.

The invention relates to the field of tool clamps, and particularly discloses a tool clamp for gear machining, which comprises a base, a vertical plate perpendicular to the base is fixed on the upper end face of the base, three circumferentially distributed expansion blocks are arranged on one side of the vertical plate, and the three expansion blocks are abutted to one another to form a complete cylinder. Guide blocks slidably connected into the vertical plates are arranged on the sides, close to the vertical plates, of the expansion blocks, inserting rods are fixed into the expansion blocks, the ends, close to the guide blocks, of the inserting rods are fixed to the guide blocks, threaded rods are connected into the guide blocks in a threaded mode, the three expansion blocks simultaneously rotate along with the three threaded rods to be away from or close to one another, and the three expansion blocks are sleeved with gears. The three guide blocks are far away from each other along with simultaneous rotation of the three screw rods, and then the three expansion blocks are driven to be far away from each other and abut against the inner ring of the gear, so that the gear is fixed to the three expansion blocks, deviation of the gear during fixing is reduced, positioning accuracy during gear machining is guaranteed, and machining precision is improved.

The invention belongs to the technical field of mechanical engineering and intelligent manufacturing, and discloses a high-precision gear hobbing quality online detection and control system and method. The system comprises a gear hobbing regulation and control module used for driving a hobbing cutter and a workpiece to perform repeated cutting; the multi-light-source visual acquisition module is used for adjusting the position of a multi-light-source visual acquisition probe and acquiring a multi-modal image in a precise gear machining process in real time; the image processing module is used for processing the multi-modal image to generate a multi-scale feature vector; the quality prediction module is used for processing the multi-scale feature vector to generate a geometric precision prediction value and a surface roughness prediction value; and the self-adaptive control module is used for dynamically adjusting the machining parameters of the hob motion control system and the workpiece rotation control system according to the geometric precision predicted value and the surface roughness predicted value, and triggering rejection processing when the geometric precision predicted value exceeds a preset tolerance range or the surface roughness predicted value exceeds a preset threshold value.

The invention discloses a numerical control forming gear ring inner tooth grinding machine and a using method thereof.The numerical control forming gear ring inner tooth grinding machine comprises a lathe bed assembly, a numerical control rotary table assembly, a grinding wheel spindle assembly and a workpiece clamping assembly, the lathe bed assembly adopts a mineral casting base, the damping coefficient is larger than 10%, and a linear guide rail is installed on the lathe bed assembly; s3, grinding feeding and indexing; S4, grinding stage control; S5, track correction; S6, grinding wheel wear compensation; through a mineral casting base of the lathe bed assembly, an angle encoder of the numerical control rotary table assembly and a CBN material formed grinding wheel of the grinding wheel spindle assembly, the effect of improving the machining precision is achieved; through the steps S2, S4 and S5, the effect of optimizing the machining quality is achieved, the tooth profile error and the surface roughness are effectively controlled, and the machining quality of the inner gear ring is improved; and through S1, S3 and S6, the effect of improving the machining stability and reliability is achieved, and the machining stability and reliability of equipment are improved.

The shaft large end face floating positioning gear grinding clamp comprises a chuck base, a lower center mechanism used for positioning a workpiece is installed at the bottom of the chuck base, an upper center mechanism capable of being matched with the lower center mechanism to press or loosen the workpiece after axially moving is installed above the chuck base, and a clamping structure for clamping the workpiece is installed in the chuck base. A floating type workpiece lower end face supporting mechanism is installed on the periphery of the upper end of the chuck base and comprises a plurality of supporting columns, the supporting columns are evenly distributed on the periphery of the chuck base in a surrounding mode, and floating media are arranged between the chuck base and the bottoms of the supporting columns. The method is simple and convenient to operate; the labor intensity is reduced; the rigidity of the tool is enhanced; the gear grinding efficiency of the product is improved by more than 30% compared with the original end face positioning; the positioning end face of the workpiece is not machined, one lathe and one operator are reduced, the occupied area is small, and the total cost is reduced by more than 20%.

The utility model discloses an auxiliary tool for gear machining, and relates to the technical field of machining. Comprising a bottom plate, a support is installed on the bottom plate through bolts, an inner movable sleeve is sleeved with the support, a first reset spring is installed at the bottom end of the inner movable sleeve, a first air cavity is formed in the lower portion of the inner movable sleeve, a first air inlet and outlet is formed in the outer wall of the support, and the first air inlet and outlet corresponds to the first air cavity in position. According to the auxiliary tool for gear machining, in the gear shaving process of a workpiece, an elastic expansion sleeve does not need to be detached, after gear shaving is completed, only gas in a second gas cavity needs to be exhausted, under the action of a second reset spring, an inner supporting chuck can be jacked upwards to loosen an elastic clamping taper sleeve, so that the workpiece is loosened, then gas is introduced into a first gas cavity, and then the elastic expansion sleeve is loosened; certain pressure is applied in a pneumatic mode, so that the inner movable sleeve longitudinally moves downwards, the elastic clamping taper sleeve can be lowered, the gear can be quickly assembled and disassembled, and operation is convenient.

The invention relates to the technical field of gear hobbing machines, and provides a micro-gear hobbing machine which comprises a machine body, a workbench, a stand column and a hob, the workbench is movably arranged on the machine body, the stand column is fixedly connected to the workbench, the micro-gear hobbing machine further comprises a clamping base, a positioning block, a tool rest, a heat preservation cover, a spraying pipe and a camera, the clamping base is rotatably arranged on the workbench, and the hob is fixedly connected to the positioning block. The positioning block is arranged on the stand column in a liftable mode, the positioning block and the clamping base are coaxially arranged, the tool rest is arranged on the lathe bed in a liftable and rotatable mode, a driving shaft is arranged on the tool rest in a rotatable mode, the hob is connected with the driving shaft through a limiting assembly, the heat preservation cover is fixedly connected to the tool rest, a gear workpiece is located in the heat preservation cover, and the spraying pipe is installed at the top of the heat preservation cover. The camera is installed on the side wall of the heat preservation cover and used for shooting images of the gear workpiece. By means of the technical scheme, the technical problem that in the prior art, when a gear hobbing machine is used for machining a micro gear, the machining precision requirement of the micro gear is difficult to meet is solved.

The invention relates to the technical field of gear machining, in particular to a gear chamfering machining device. Comprising a machine body, a workbench is fixedly mounted in the machine body; the upper end of the workbench is slidably connected with a bottom plate. The bottom plate is connected with the workbench through a guide rail; according to the bevel gear chamfering device, the overturning frame is arranged, so that the driving motor can drive the worm gear to drive the overturning frame to rotate through the worm, the overturning frame drives the bevel gear at the upper end to synchronously overturn, the inclination direction of gear teeth on the surface of the overturned bevel gear is matched with the gravity direction, and therefore in the bevel gear chamfering process, the bevel gear can be chamfered; the cut chippings can vertically slide down along the inclined surfaces of the tooth grooves, so that the chippings are prevented from being accumulated in the tooth grooves, the chippings are prevented from being driven by the cutter to scratch the tooth surfaces, the precision of the tooth surfaces is improved, the problem of local overheating of the surface of a cutting area due to overheating of the accumulated chippings can be prevented, and the temperature of the cutting edge of the cutter is prevented from exceeding the heat-resistant limit. The service life of the cutter is prolonged.

The invention relates to the technical field of gear hobbing devices, in particular to a gear hobbing device for gear machining and capable of achieving dual cooling and scrap removal, the gear hobbing device comprises a box body, a discharging device arranged in the box body, a filter screen disc arranged in the box body and a rotating part arranged in the box body, the rotating part comprises a horizontally-arranged rotating shaft, and the rotating shaft is of a hollow structure; the two ends of the rotating shaft are rotationally installed on the corresponding side walls of the box body, and U-shaped grooves are formed in the rotating shaft around the center axis of the rotating shaft at equal intervals. The rotating part further comprises a rolling cutter, the rolling cutter is installed on the rotating shaft, and a plurality of through holes are formed in the rolling cutter around the center axis of the rolling cutter at equal intervals; a first servo motor is fixed to one side of the box body, and the output end of the first servo motor is fixedly connected with the end of the rotating shaft. According to the hobbing cutter, cooling liquid can cool the hobbing cutter from the interior of the hobbing cutter, and meanwhile the cutting position can be cooled. The problem that cooling cannot be conducted from the interior of the hobbing cutter is solved.

The utility model discloses a high-precision gear shaft detachable finish machining special tool which comprises two connecting pieces, the front ends of the connecting pieces are arranged in an outer hexagon head shape, the rear ends of the connecting pieces are cylindrical, external threads are arranged on the surfaces of the rear ends of the connecting pieces, and B-type center holes are formed in the middles of the front ends of the connecting pieces. The detachable tool special for finish machining of the high-precision gear shaft is simple in overall structure, convenient to disassemble and assemble with the gear shaft, low in manufacturing cost, capable of meeting finish machining procedures of finish turning, cylindrical grinding, gear grinding and the like of gear shafts of different gear boxes, wide in application range and capable of effectively improving machining efficiency.

The application relates to the technical field of gear ring milling processing, and discloses a construction engineering machinery gear ring processing structure and device, which comprises a clamping assembly, a gear ring to be processed is fixed and displaced through the clamping assembly, and a milling assembly for processing the gear ring is arranged above the clamping assembly; the milling assembly comprises a milling cutter mounting assembly and an output assembly arranged on the milling cutter mounting assembly. The application has the following advantages and effects: the milling cutter to be used can be pre-installed, so that after the gear ring is clamped daily, the matched milling cutter can move to the matched milling station under the adjustment of the adjusting assembly and be prepared, two milling cutters are switched quickly, the downtime is reduced, the processing efficiency is improved in an automatic mode, the structure is matched with the working environment in various existing gear ring processing modes, the installation mode is simple and fast, and excessive installation matching structures need not be additionally customized, the cost of installation and use is saved, and the applicability is high.

The utility model relates to gear milling equipment for an outer rotor of a lubricating oil pump, which is mainly used for high-precision gear milling of the outer rotor of the lubricating oil pump. The equipment comprises an indexing rotating table and a supporting stand column, a horizontal mechanical sliding table is arranged at the bottom of the supporting stand column, and the horizontal mechanical sliding table and the indexing rotating table are arranged in a matched mode. Two symmetrically-distributed gear manufacturing tools are arranged above the indexing rotary workbench and used for fixing a gear to be machined. A vertical mechanical sliding table is arranged above the supporting stand column, a gear milling supporting frame is arranged on the outer side of the vertical mechanical sliding table, and a milling head is installed on the gear milling supporting frame. The indexing rotating table can drive the planetary reducer through the servo motor to achieve accurate indexing. The gear manufacturing tool comprises an upper positioning block, a matching groove and a correction hole and is used for accurately positioning and fixing a gear. The equipment has the characteristics of high automation degree, high machining precision and high stability, and is suitable for machining the outer rotors of the lubricating oil pumps on a large scale.

To provide a tooth surface polishing device which can properly adjust a pressure acting on a tooth surface while inhibiting increase in size of the device.SOLUTION: A tooth surface polishing device 1 includes a gear to be processed (a processed gear) 2 which is subject to processing and a screw-shaped tool 3 having a thread which engages with the processed gear 2 to polish a tooth surface of the processed gear 2. The processed gear 2 and the screw-shaped tool 3 are arranged so as to engage with each other in a state that their axes do not intersect and are not parallel to each other. The tooth surface polishing device 1 includes: driving means which rotates the screw-shaped tool 3; reaction force means which rotates or brakes the processed gear 2; and propelling means which moves or presses the screw-shaped tool 3 in a direction in which teeth of the processed gear 2 and the thread of the screw-shaped tool 3 contact with each other.SELECTED DRAWING: Figure 1

The utility model provides a gear shaving supporting tool which can solve the problems that an existing gear shaving supporting tool is short in service life, needs to be replaced regularly, needs to be integrally replaced during production replacement, and is high in cost, low in production replacement efficiency or poor in universality. The tool comprises two supporting units, each supporting unit comprises a base assembly, a guide rail assembly, a supporting assembly, a buffer block and an L-shaped check block, the guide rail assembly comprises a guide rail support arranged on the base assembly, a guide rail fixedly connected to the guide rail support and a sliding block in sliding fit with the guide rail, and the supporting assembly comprises a supporting block. The supporting blocks are detachably installed on the corresponding sliding blocks, V-shaped notches are formed in the upper surfaces of the supporting blocks, the buffer blocks are installed at the ends, close to the initial positions of the sliding blocks, of the corresponding guide rail supports, slopes are arranged on the upper surfaces of the buffer blocks, the bottoms of the slopes are higher than the supporting blocks, and the long edges of the L-shaped check blocks are connected to the side walls of the corresponding guide rail supports. And the short edges of the sliding blocks are positioned above the corresponding guide rails and are used for limiting the sliding blocks.

The application belongs to the technical field of inner gear ring processing equipment, and particularly relates to a secondary clamping tooth positioning device for an inserted cut inner gear ring, which comprises a base, a clamp provided on the base, a positioning sleeve matched with the clamp through a sliding bearing, and an elastic tooth positioning device matched with the positioning sleeve. The elastic tooth positioning device comprises a shell, a telescopic shaft provided in the shell, a cylindrical gauge bar and a drawing handle connected to the two ends of the telescopic shaft respectively, and the telescopic shaft comprises two parts of a thick shaft and a thin shaft, and a spring is sleeved on the thin shaft. The shell is connected with a turnover assembly, and the turnover assembly comprises a turnover plate and a turnover cylinder. The application has a reasonable structure, can accurately position the inner gear ring, ensures that the inner gear ring keeps the same phase when the inner gear ring needs to be clamped on the gear cutting machine for multiple times, improves the processing precision, reduces the waste rate, and is beneficial to batch production.

This invention provides a broach for gear machining and its finishing device, relating to the field of gear manufacturing technology. The broach and finishing device include a bed, a drive unit, a CNC system, a clamping device, a coolant storage tank, a high-pressure air supply device, a dust extraction device, and two sets of cooling pumps. When the coolant cooling effect is insufficient, the invention increases the coolant flow rate through an electrically controlled flow valve to improve the cooling effect. If necessary, forced cooling can be achieved by simultaneously activating two sets of cooling pumps, significantly enhancing the cooling effect. The high-pressure air supply device provides high-pressure air to the compressed air nozzle, which is then sprayed onto the surface of the CBN grinding wheel through the jet chamber outlet to clean the surface, effectively reducing clogging and the frequency of grinding wheel dressing. Simultaneously, the dust extraction device, dust extraction pipe, and dust extraction hood remove dust from inside the grinding wheel hood, reducing floating dust and preventing dust from adhering to the grinding wheel surface and entering the grinding area.

The application discloses a bidirectional gear shaping method, wherein the gear shaping cutter and the gear shaping part rotate in the same direction to perform gear shaping, and then the gear shaping cutter and the gear shaping part change the rotating direction to perform gear shaping. The application has the advantages of high machining precision and long service life of the gear shaping cutter.

The utility model relates to the technical field of gear shaping machines, and discloses a fixing clamp of a gear shaping machine, which comprises fixing frames, a rotating shaft is fixedly connected to the adjacent sides of the inner walls of the two fixing frames, positioning holes are formed in the outer wall of the rotating shaft at equal intervals, and air cylinders are fixedly connected to the left side and the right side of the inner wall of a clamp plate. The output ends of the two air cylinders are fixedly connected with a pressing clamp, the top of the outer wall of the fixing frame is fixedly connected with a clamping mechanism, and the clamping mechanism is used for fixing a clamping clamp. The fixing frame is connected through the rotating shaft and is convenient to adjust and fix, the clamp plate can slide in the fixing frame and is suitable for different wheelchair supports, the fixing block is fixed to the top of the clamp plate and supports a wheelchair, the air cylinders are connected to the two sides of the clamp plate, and the air cylinders are connected with the pressing clamp, so that the wheelchair is safe and stable to use, and the adjusting capacity and clamping efficiency of the fixing clamp are improved. Positioning and clamping operation is optimized, consumed time is short, and the production takt is accelerated.

The application discloses a seven-axis five-linkage vertical numerical control spiral bevel gear grinding machine tool, which comprises a bed body, a stand column arranged on the bed body, an X-axis guide rail and an X-axis linear motor arranged on the top of the stand column, a middle drag plate arranged on the X-axis guide rail and connected with the X-axis linear motor, a Y-axis guide rail and a Y-axis linear motor arranged on the top of the middle drag plate, a Y-axis ram arranged on the Y-axis guide rail and connected with the Y-axis linear motor, a Z-axis guide rail and a Z-axis linear motor arranged on the front end surface of the Y-axis ram, a Z-axis ram arranged on the Z-axis guide rail and connected with the Z-axis linear motor, a grinding wheel motorized spindle arranged in the Z-axis ram and parallel to the Z-axis guide rail, a B-axis numerical control rotary table arranged in the middle of the stand column, and an A-axis workpiece box arranged on the B-axis numerical control rotary table. The three linear axes of the application are driven by linear motors, and no mechanical transmission error and reverse clearance exist, so that the response speed is high, the positioning precision is high, the smallest modulus of the spiral bevel gear that can be machined is 0.8 mm, and the demand of the market for machining small modulus spiral bevel gears can be met.

The utility model belongs to the technical field of gear inner diameter positioning, and particularly relates to a rotatable gear inner diameter positioning tool which comprises an operation board, a plurality of stand columns are distributed on the top of the operation board in an annular array mode, a clamping block is arranged on the outer portion of each stand column, a push rod penetrating through the stand columns is transversely arranged on the inner side of each clamping block, and a clamping block is arranged on the top of the operation board. Conical wedge blocks are arranged on the inner sides of the multiple push rods in a lifting mode, one ends of the multiple push rods abut against the bevel edges of the conical wedge blocks, the conical wedge blocks enable the multiple push rods to drive the corresponding clamping blocks to be unfolded outwards based on lifting, and a screw rod is further longitudinally arranged at the axis of the top of the operation disc; according to the gear clamping device, the clamping blocks, the push rods and the conical wedge blocks which are matched with one another are additionally arranged, and when the conical wedge blocks descend, the clamping blocks are driven by the push rods to move outwards, so that the gear is clamped on the operation board from the inner positioning part, and the gear does not need to be clamped and fixed for many times.

The application discloses a burr cleaning equipment for gear machining, and belongs to the technical field of gear machining, and the technical key points are as follows: the burr cleaning equipment comprises a bottom plate, a gear positioning mechanism and a gear polishing mechanism are arranged, and the gear body can be clamped and fixed in a self-adapting mode according to the inner diameter of the gear during burr cleaning, manual intervention is greatly reduced, the labor intensity of an operator is reduced, and the synchronous burr cleaning mode for the tooth surface, the tooth top and the tooth root reduces the corresponding clamping frequency and adjustment time, and the overall machining efficiency is significantly improved; the gear taking mechanism can quickly and stably complete gear grabbing, discharging and grabbing feeding operations, the movement characteristics of the multi-degree-of-freedom moving assembly can significantly shorten the single feeding and discharging time, the production efficiency is significantly improved compared with traditional equipment, and the burr cleaning equipment has the advantages of convenient gear taking and placing, high automation degree and high working efficiency.

The application provides a secondary tool setting method, device, equipment and medium based on a numerical control machine tool. The method comprises the following steps: determining any two adjacent teeth on a target gear to be set and a corresponding division circle track of the target gear, and determining four measurement points on the two adjacent teeth according to the division circle track; determining the coordinates corresponding to the four measurement points according to a measurement device, and determining a measurement angle value according to the four coordinates; determining the initial center coordinates corresponding to the center point of the target gear according to the measurement angle value, a preset angle threshold value and the coordinates corresponding to the measurement points, and performing a preset cutting operation on the target gear; determining the updated center coordinates corresponding to the center point according to the updated coordinates corresponding to each measurement point, and determining a measurement compensation value according to the updated center coordinates and the initial center coordinates; and performing a tool setting operation on the target gear according to the measurement compensation value. Thus, the measurement accuracy of the secondary tool setting is improved.

The invention discloses a device and method for free honing machining of a straight tooth inner gear ring. The device comprises a three-axis vertical machine tool, a honing wheel clamping cutter handle, a cylindrical spiral gear honing wheel, a gear ring clamping structure, a gear ring clamp center positioning ring, a gear ring clamp rotary table, a gear ring clamp rotary table main shaft, a gear ring clamp dip angle adjusting seat, a gear ring clamp base positioning reaming hole, a gear ring clamp dip angle fixing screw and a gear ring clamp dip angle adjusting seat hinge pin. The gear ring clamp comprises a gear ring clamp base, a dip angle positioning reference cylinder and a dip angle positioning column. Free honing machining of the straight tooth inner gear ring is achieved through cooperation of movement of a common three-axis vertical machine tool and the design of a special clamp, and the equipment cost of honing machining is reduced; through the ingenious design based on the dip angle positioning column and the dip angle positioning reference column, honing of a straight tooth inner gear ring of a non-parallel shaft is achieved, and the problem that in traditional parallel shaft honing, tooth-direction textures are likely to exist on the tooth profile surface through rotation and axial reciprocating motion is solved in a low-cost mode.

The application discloses a straight profile ring surface worm turning machining machine tool and a machining method, wherein the machine tool comprises a machine tool body, a driving assembly, a tool assembly and a control assembly; the driving assembly is arranged on the machine tool body; the tool assembly is arranged on the machine tool body and located on the side surface of the machine tool body, the tool assembly comprises a cutter head engaged with a worm blank, a plurality of turning groups are arranged on the cutter head, and the turning groups are fixed on the outer circumferential surface of the cutter head in the circumferential direction of the cutter head at equal intervals; and the control assembly is arranged on the machine tool body and electrically connected with the driving assembly and the tool assembly respectively. The machining method comprises connection and turning. The straight profile ring surface worm turning machining machine tool and the machining method are characterized in that a plurality of turning groups are arranged, the cutter head and the plurality of cutting tools form a worm gear type cutter similar to a worm gear, the cutter head is equivalent to a worm gear body, the cutting tools are equivalent to worm gear teeth, the worm gear type cutter is engaged with the worm blank to cut out worm teeth, and the machined worm is closer to a worm theoretical value.

The positioning tool for the high-precision machine tool for gear production comprises a machine frame, a first opening is formed in the top face of the center position of the machine frame, a first hydraulic cylinder is fixedly installed at the bottom of the center position of the machine frame, the upper end of a piston rod of the first hydraulic cylinder is fixedly connected with a rectangular cover, and the rectangular cover vertically and movably penetrates through the first opening. The first hydraulic cylinder drives the rectangular cover to ascend, the servo motor drives the two first positioning seats to clamp and position the inner ring of the gear, the two second hydraulic cylinders drive the two second positioning seats to clamp and position the outer ring of the gear, the structure is simple, positioning is rapid, and the working efficiency is improved. The buffering abutting block is inserted into the rectangular open groove in the first positioning seat or the second positioning seat, so that the rectangular protrusion is inserted into the rectangular clamping groove, the buffering abutting block is effectively clamped and positioned, and therefore the buffering abutting block of the abrasion-resistant rubber product provides buffering protection for the positioning gear, and the gear is prevented from being damaged during polishing.