380 results about "Gear grinding" patented technology

The invention provides a grinding control method, device and equipment for a transmission gear and a storage medium, and the method comprises the steps that a three-dimensional digital model of the transmission gear to be ground is constructed according to multi-dimensional physical parameters and material parameters collected by the transmission gear to be ground; a multi-stage grinding process parameter set is generated according to the three-dimensional digital model and a process parameter database; determining grinding track data of the transmission gear to be ground according to the multi-stage grinding process parameter set and the three-dimensional digital model; performing dynamic simulation on the grinding track data, and optimizing the grinding track data based on simulation feedback; and grinding the transmission gear to be ground according to the optimized grinding track data. A personalized three-dimensional digital model is constructed by collecting multi-dimensional physical and material parameters, accurate generation and optimal control of a grinding track are achieved based on the model and a multi-stage process parameter set, and the machining precision of the gear grinding process is effectively improved.

The utility model provides a numerical control gear shaping punch head gear grinding machine which comprises a control system, a lifting module, a pitching adjusting assembly, an indexing chuck, a grinding assembly and a transverse moving module, the pitching adjusting assembly is connected with the lifting module, the indexing chuck is arranged on the pitching adjusting assembly, the grinding assembly is connected with the transverse moving module, and the transverse moving module is arranged on the indexing chuck. The transverse moving module drives the grinding assembly to do reciprocating motion towards or away from the indexing chuck, and the lifting module, the indexing chuck, the grinding assembly and the transverse moving module are electrically connected with the control system. According to the numerical control gear shaping punch gear grinding machine, under the condition that certain machining precision is guaranteed, the equipment manufacturing cost is saved; the equipment is convenient to operate, automatic machining can be achieved only by installing a workpiece and selecting corresponding machining parameters in a control system, and one person can control multiple pieces of equipment.

The invention discloses a tooth grinding control system for gear machining, and relates to the technical field of gear grinding. An arc-shaped material collecting cover is installed at the top of a lifting control frame, a blank positioning mechanism used for clamping a gear blank and controlling the gear blank to rotate is arranged on the inner side of the arc-shaped material collecting cover, a tooth groove grinding piece matched with a tooth groove is arranged on one side of a cutting cutterhead on the inner side of the arc-shaped material collecting cover, and a first scrap suction pipe is arranged on the other side of the cutting cutterhead. A second scrap suction pipe is arranged on the side, away from the cutting cutterhead, of the tooth groove grinding piece, the end of the first scrap suction pipe abuts against and aligns to the tooth groove in the gear blank to achieve scrap suction, and the end of the second scrap suction pipe abuts against and aligns to the tooth groove in the gear blank to achieve scrap suction. The cutting cutterhead and the tooth groove grinding piece are integrally arranged on the inner side of the arc-shaped top cover, turning and grinding machining of the gear can be achieved in the process of controlling the reciprocating grinding mechanism to do horizontal reciprocating motion, and the gear machining efficiency and quality are improved through the gear in-situ machining mode.

The invention provides a heat balance regulation and control method for a high-precision worm grinding wheel gear grinding machine for energy conservation and efficiency improvement. The method comprises the steps of establishing an electric-mechanical-thermal energy balance matrix equation of the worm grinding wheel gear grinding machine, carrying out a gear grinding experiment and carrying out data acquisition and processing, establishing a thermal energy balance equation, establishing a comprehensive energy efficiency model, establishing a comprehensive optimization model, solving the optimization model and the like. The heat balance regulation and control strategy of the worm grinding wheel gear grinding machine is obtained through the method, and a guidance basis is provided for energy conservation and efficiency improvement of the gear grinding machine. And a theoretical model and a guidance basis are provided for heat balance regulation and control of the energy-saving worm grinding wheel gear grinding machine. The device is high in universality and wide in applicability, and can be subsequently popularized and applied to other gear manufacturing machine tools.

The invention belongs to the technical field of gear machining, and particularly relates to a gear machining gear grinding device which comprises a workbench. The top surface of the workbench is rotationally connected with a turntable; two pairs of uniformly arranged mounting seats are rotationally arranged on the top surface of the turntable; the tray is rotated on the top surface of the mounting seat; the top surface of the tray is rotationally connected with a double-end stud; the two ends of the double-end stud are in threaded connection with bearing columns correspondingly, and the bearing columns are slidably connected with the top face of the mounting base. The top face of the bearing column is fixedly connected with a clamping rod, and the diameter of the clamping rod is smaller than that of the bearing column. A supporting frame is slidably connected to the top face of the workbench, through cooperation of a rotary disc, a mounting base, a tray, a double-end stud, a bearing column, a clamping rod and a grinding disc, the grinding disc can grind two gears at a time, so that the grinding efficiency of the gears is improved, during gear grinding, a user can also feed another pair of gears, and the grinding efficiency of the gears is improved. And the gear grinding efficiency is further improved.

The invention relates to a method of pre-forming a grinding tool. In a method for preforming a grinding tool, a device, in particular a gear grinder (1), is provided for fine hard machining of a workpiece and for preforming a grinding tool, comprising: a workpiece spindle (2) for rotating the workpiece; a grinding spindle (3) which can be fed at least along a grinding spindle transverse feed axis X in order to rotate a grinding tool, in particular a grinding worm (4) or a grinding wheel; and a forming device (5) with a fixed first forming plate (6). A grinding tool blank, in particular a grinding worm blank, is arranged on a grinding spindle (3) of the device. The apparatus is placed in a shaped configuration. The grinding spindle (3) is fed until the grinding tool blank is operatively connected to the first forming plate (6). And finally, pre-forming the grinding tool blank.

The present invention provides a composite collaborative grinding method for a worm grinding wheel and a forming grinding wheel gear grinding process, comprising carrying out a composite gear grinding machine structure optimization design, specifically, simultaneously installing the worm grinding wheel and the forming grinding wheel on the grinding wheel main shaft; using a common roller dressing device according to the composite gear grinding machine main shaft structure, using the common roller dressing device to dress the composite shaft cross-sectional profile of the worm grinding wheel and the forming grinding wheel, and planning the dressing path according to the composite shaft cross-sectional profile to complete the dressing of the worm grinding wheel and the forming grinding wheel; using the worm grinding wheel to perform rough grinding on the gear, measuring the maximum grinding allowance and the minimum grinding allowance of the tooth surface after rough grinding, adjusting the automatic centering device according to the maximum grinding allowance and the minimum grinding allowance, and using the forming grinding wheel to perform fine grinding on the gear. This application enables the worm grinding wheel and the forming grinding wheel to work together in the same process, thereby simultaneously completing the rough machining and fine machining of the gear, improving production efficiency and overall machining accuracy, and reducing machining costs.

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 provides an asymmetric gear worm grinding wheel gear grinding heat equivalent simulation analysis and process parameter optimization method. The method comprises the steps of establishing a transient equivalent simulation analysis model of asymmetric gear worm grinding wheel gear grinding, determining the grinding heat influence degree of different process parameters on tooth surfaces on the two sides, obtaining an optimal process parameter solution set and the like. According to the method, the difference of grinding heat of tooth surfaces on the two sides in the asymmetric worm grinding wheel tooth grinding machining process is considered, technological parameter optimization is carried out, and a theoretical model and a guidance basis are provided for guaranteeing the asymmetric gear tooth grinding machining performance. The method is high in universality and wide in applicability, and can be subsequently popularized and applied to the manufacturing process of other asymmetric gears or other types of gears.

The invention relates to the technical field of worm manufacturing, and discloses a worm grinding wheel gear grinding machine capable of improving machining precision and a machining process thereof.The worm grinding wheel gear grinding machine comprises a numerical control machine tool, positioning rotating assemblies are arranged on the two opposite side walls of an inner cavity of the numerical control machine tool, and diamond repairing discs are arranged on the positioning rotating assemblies; an adjusting rotating assembly is further arranged on one side wall of the numerical control machine tool inner cavity. According to the grinding wheel repairing device, when a first diamond limiting block, a second diamond limiting block and a third diamond limiting block move to a certain position, a detection rod can move upwards until the detection is detected by a monitoring sensor, and therefore a grinding wheel is moved to a diamond repairing disc to be repaired by adjusting a rotating assembly; therefore, the grinding wheel can be detected at the first time when the two sides and the surface of the grinding wheel are worn to a certain degree, repair is carried out, the worm continues to be frosted after repair is completed, and the phenomenon that the worm cannot be detected at the first time due to the influence of chippings, cutting fluid and the like when being frosted is avoided.

The invention discloses a machining method for a sun gear of a planetary reducer. The machining method comprises the steps of gear blank machining, spline broaching, gear hobbing, tooth profile chamfering, carburizing and quenching, external grinding, hole turning, flat grinding, gear grinding and detection. An outer circle recognition groove is machined in the outer circle of the gear blank and close to the near end face A; gear broaching is conducted with the near end face A as the positioning reference; a spline taper mandrel penetrates into the spline hole, the outer circle of the sun gear top is ground through gear side positioning, and the near end face A is ground in a leaning mode; the outer circle of the ground tooth crest is clamped, the near end face A is leveled, a spline inner hole is turned, a far end face B far away from the outer circle recognition groove is turned, and then the near end face A is flatly ground with the turned far end face B as the reference; during gear grinding, the far end face B and the spline inner hole are used as positioning references; during detection, the detection direction is consistent with the positioning direction of the grinding teeth, and the far end face B faces downwards. By the adoption of the technical scheme, it is guaranteed that the gear precision of the sun gear reaches the sixth level, and the use requirements of customers are met.

The present invention discloses a multi-objective thermal-fluid topological design optimization method for the cooling element of a precision gear grinding machine tool, comprising the following steps: Step 1: Define the design domain: Expand the cooling element into a plane, define a two-dimensional design domain representing the cooling element's geometric structure, and discretize it using the finite element method; Step 2: Numerical modeling: Model the cooling element as a porous medium; Under the conditions of laminar incompressible flow, the fluid dynamics are governed by the dimensionless forms of the continuity equation and the momentum equation; The fluid-solid coupled heat transfer model is governed by the dimensionless energy conservation equation; Step 3: Construct an objective function: The optimization objective is defined as a weighted function of heat transfer and fluid dissipated power, and a fluid-solid heat transfer topological optimization model is constructed; Step 4: Solve the objective function; Step 5: Restore the shape and structure of the cooling element. The present invention also discloses a precision gear grinding machine tool and a cooling element.

The invention provides a double-pressure-angle asymmetric tooth profile design and worm grinding wheel tooth grinding method. A tooth profile equation of the asymmetric gear is deduced, the meshing relation between a rack tool and the gear is analyzed in detail, and a precise profile geometric model of the dual-pressure-angle asymmetric gear is further established. In the aspect of worm grinding wheel gear grinding machining, the contour design and finishing method of a worm grinding wheel and application of the worm grinding wheel in asymmetric gear machining are studied, and a worm grinding wheel geometric model and a diamond roller geometric model needed by double-pressure-angle asymmetric gear worm grinding wheel gear grinding are established. The method provides a theoretical basis and an accurate model for design and processing of the asymmetric gear, and is of great significance for improving the efficiency and reliability of a gear transmission system.

The invention discloses a trigger type measuring head pre-stroke error compensation method based on an error transfer theory, and belongs to the field of machine tool on-machine measurement and error compensation. According to the trigger type measuring head pre-stroke error compensation method, in calibration work before machine measurement, according to the transfer chain theory of geometric errors of workpieces in actual work of a machine tool, a geometric error chain model is established by adopting non-coaxial secondary coordinate transformation between forming gear grinding machine tools, and a pre-stroke error expression formula of a trigger type measuring head is established in a combined mode; the pre-stroke error of the compensation trigger type measuring head is calibrated and compensated more accurately and specifically through the error transfer accumulation effect in the on-machine measurement process.

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 invention relates to the technical field of machining surface quality control, and discloses a continuous generating grinding tooth surface waviness monitoring system based on digital twinning. Comprising a data acquisition module which acquires vibration signals of a grinding wheel spindle and a workbench, three-dimensional model data of a numerical control gear grinding machine and numerical control system data in real time, and a simulation module comprises a motion and grinding rendering unit and a UI interface; the waviness online prediction and process parameter optimization module comprises a neural network prediction model, a process parameter optimization model and a process parameter feedback interface; according to the method, the digital twin model of the gear grinding machine is established, the tooth surface waviness condition can be monitored in real time, and when the ghost amplitude of the tooth surface waviness exceeds a threshold value, grinding process parameters can be optimized online, so that the gear surface quality is improved, and the production efficiency is improved.

The invention discloses an error compensation method, system and device for gear grinding machining and a medium. The method comprises the steps that machining parameter data of a machined gear are obtained, the machining parameter data are preprocessed, and key size data of the gear are extracted; calling an error analysis module, comparing the key size data with the gear standard parameters, calculating various single machining errors, adjusting machining parameters according to the priority of the single machining errors, and determining a compensation scheme; and the new gear is machined according to the compensation scheme, compensation size data are obtained, the compensation size data and the gear standard parameters are compared, and a compensation report is completed according to the comparison result. According to the method, a'detection-compensation-remachining 'closed-loop process is adopted, a theoretical tooth shape is approximated through iterative optimization, manual intervention is reduced, the machining efficiency and the consistency of product quality are remarkably improved, the accurate machining compensation amount is generated based on error analysis and calculation, the problem that an error model does not conform to the actual machining state is solved, and the machining precision is improved. And the compensation precision and reliability are improved.

The invention discloses a dynamic power modeling method for gear grinding of a face gear worm grinding wheel, which comprises the following steps of: 1, acquiring surface topography parameters of a grinding worm, including abrasive particle density, abrasive particle projection height distribution and worm geometric parameters; step 2, establishing a motion trail model of the abrasive particles in the dynamic contact area based on the cooperative rotation motion of the grinding worm and the face gear; step 3, kinematics analysis based on an abrasive particle track is obtained, and the face gear continuous generating grinding process is controlled by periodic phenomena of a meshing period and a feeding period; 4, a single abrasive particle cutting model, a friction force calculation model, a ploughing force calculation model and a cutting force calculation model are constructed respectively, and the grinding force in the face gear continuous generating grinding process is obtained; and 5, the grinding power is determined to be the product of the torque and the rotating speed, the grinding force vector of each abrasive particle is converted from O2t to Owt, and a grinding power prediction model is constructed based on the coordinates of the abrasive particles in the Owt.

The invention discloses a machine tool grinding wheel wear identification method based on fusion dynamic signals and decoupling training, and the method comprises the steps: obtaining multi-source dynamic signals of a grinding wheel in different wear states, carrying out the feature extraction, splicing the extracted features, and obtaining fusion features; training a deep neural network model by taking the fused features and the corresponding wear states as a training set, wherein the deep neural network model comprises a feature extractor and a classifier; firstly, a deep neural network model is preliminarily trained based on a training set, preliminary network parameters of a feature extractor are frozen, decoupling training of the model is achieved, and the trained deep neural network model is obtained; and multi-source dynamic signals in the machining process of the machine tool are obtained in real time, and the abrasion state of the grinding wheel is obtained through the trained deep neural network model. Accurate monitoring of the abrasion state of the grinding wheel of the gear grinding machine tool is achieved through multi-source signals, and the accuracy and credibility of tool damage identification are improved through decoupling training.

The present invention relates to the technical field of gear processing equipment, and specifically discloses a gear grinding machine for gear processing, including a base, a controller, a bearing structure, a driving structure, a first grinding structure and a second grinding structure. The controller is fixedly arranged on the upper wall of the base and close to the front end, and the bearing structure is fixedly arranged on the upper wall of the base and located in the middle. It is suitable for processing gears with different shaft holes and different sizes through a replaceable shaft column. The grinded gear is limited by the bearing structure. A corresponding replaceable driving wheel is arranged on the driving structure to select a grinding method according to the grinded gear, and the grinded gear is driven to rotate by the driving wheel. The teeth are adjusted by slowly rotating the first grinding structure, and the tooth side walls are grinded in turn. It can also be relatively adjusted according to different numbers of teeth or inclination angles of the tooth side walls, and the spacing can be adjusted according to the tooth width.

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 invention discloses a segmented combined type worm grinding wheel based on spiral surface structuring and a laser finishing method, and belongs to the technical field of precise gear grinding. The working surface of the inner side of a spiral tooth groove of the worm grinding wheel at least comprises a section of structured area and a section of unstructured area in the axial direction; the structured area is provided with a crescent groove used for forming a grinding fluid storage and abrasive dust discharge channel in the grinding process. And the unstructured area keeps a continuous grinding surface and is used for finishing the surface of the machined workpiece in the structured area. According to the method, the laser processing head is controlled through multi-axis linkage to accurately describe an arc-shaped processing track in a spiral expansion coordinate system, the morphology consistency and the space precision of grooves are guaranteed, and the manufactured worm grinding wheel has good cooling, chip removal and accurate grinding performance and is suitable for high-efficiency and high-precision gear manufacturing.

The utility model relates to the technical field of bevel gear grinding and polishing, in particular to a bevel gear grinding and polishing device which comprises a shell, a first storage tank, a second storage tank and a grinding bin, the bottom end of the shell is fixedly connected with a base, and the top end of the shell is fixedly connected with an air cylinder. One end of the air cylinder penetrates through the second storage tank to be fixedly connected with a second piston, one side of the second piston is fixedly connected with a set of connecting rods, the other ends of the connecting rods are fixedly connected with a first piston, and the outer side of the first piston and the outer side of the second piston are slidably connected with the first storage tank and the second storage tank correspondingly; one side of the first storage tank and one side of the second storage tank are both fixedly connected with the shell, and two telescopic pipes are installed on the outer side of the connecting rod. According to the bevel gear grinding device, the first storage tank and the second storage tank are arranged, abrasive media are contained in the first storage tank and the second storage tank, and a bevel gear can be evenly and efficiently ground through the abrasive flow machining technology.

1. The name of the product under this design: Compound machine tool (turning, hobbing, grinding and quenching). 2. Application of this design product: used for processing various elements from blanks to finished products. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention discloses a disc grinding wheel forming grinding tooth surface deviation correction strategy and effect prediction method based on topology measurement, and the method comprises the steps: obtaining tooth surface deviation data through the topology measurement of a gear grinding machine online measurement system based on a nine-axis five-linkage gear grinding machine tool, extracting a tooth direction correction value through an interpolation method, and fitting an asymmetric grinding tooth direction correction curve; and an XZC three-axis linkage grinding mode is adopted, then the tooth shape deviation value after tooth direction correction movement is obtained, a tooth shape correction curve is fitted, and a new grinding wheel section shape is obtained. And according to the calculated tooth direction correction path and the re-finished grinding wheel model, a correction deviation prediction curved surface is given according to a space envelope principle. According to the method, tooth surface error correction is achieved through tooth profile modification and XZC three-axis tooth direction modification methods, complex operation of a five-axis motion correction method is avoided, and the tooth profile and tooth direction precision index of the grinding gear is obviously and efficiently improved.

The application provides a production process and a gear grinding device of a spline rubber expansion sleeve. Through fine turning and fine adjustment operations, the subsequent spline rubber expansion sleeve and the contact point of the spline tooth and the inner spline of a workpiece are ensured to be exactly the pitch circle of the inner spline. In addition, in order to facilitate the processing of the spline rubber expansion sleeve, the structure of the spline tooth is designed to be circular, and during the manufacturing of the expansion sleeve, the spline tooth and the inner taper are ensured to be processed under the condition of one-time clamping, and the centering accuracy of 0.005mm is realized, thereby realizing high-precision workpiece assembly in the industry.

The invention relates to the technical field of gear grinding machining, in particular to a grinding machine tool suitable for gear rotating face grinding, which comprises a rack and a digital display control panel, the rack is respectively provided with a lower clamp table and an upper clamp table from bottom to top, and the lower clamp table and the upper clamp table are used for clamping a gear main body; grinding wheel main bodies are arranged on the two sides of the lower clamp table and the upper clamp table; a vertical beam is arranged on one side of each grinding wheel body, an elastic pulling and pressing assembly used for conducting elastic pulling and pressing on the vertical beams is arranged on the rack, and the rack, the lower clamp table, the upper clamp table, the grinding wheel bodies, the rigid pushing and pressing assembly, the grinding wheel dressing assembly, the lifting driving assembly, the vertical beams, the elastic pulling and pressing assembly and the like cooperate and cooperate with one another. Double-station synchronous grinding can be achieved, the grinding efficiency is improved, hard contact damage can be avoided, stable rigid pushing force can be provided, the grinding feeding amount can be accurately controlled, and safety and machining precision are both considered by combining the two modes of flexible contact and rigid pushing.

A hard finishing machine for machining workpieces with at least one gearing, in particular a gear grinding machine, including a spindle rotated by a motor, wherein the spindle has, at a first axial position, a first sensor system for detecting rotation of the spindle at the first axial position, wherein the first sensor system is connected to a control unit for controlling rotation of the spindle. A second sensor system is arranged at a second axial position of the spindle, which is designed to detect rotation of the spindle at the second axial position, wherein the second sensor system is connected to a measuring device, wherein a further sensor system is arranged at the first axial position of the spindle, which is designed to detect rotation of the spindle at the first axial position and is also connected to the measuring device.

The utility model relates to the technical field of gear production, in particular to a gear grinding machine for gear production, which comprises a box body, a second shell, a threaded block and a gear grinding mechanism, the upper end of the left side of the box body is fixedly connected with the second shell, an auxiliary protection device is arranged in the box body, an auxiliary gear grinding device is arranged at the right end of the threaded block, and the gear grinding mechanism is fixedly connected with the second shell. The upper end of the second shell is fixedly connected with a third motor through a support, an output shaft of the third motor is fixedly connected with the second shell through a bearing, the auxiliary gear grinding device is matched with the gear grinding mechanism, the horizontal position of a gear grinding wheel is adjusted, the working requirements of different tooth depths can be met, the working limitation is reduced, and the working efficiency is improved. And through cooperation of the auxiliary protection device and the box body, the baffle is driven by the sliding block to move, so that scraps generated by machining can be bounced on the surface of the baffle, an operator cannot be hurt, and the safety is improved.