222 results about "Cnc grinding" patented technology

The invention relates to the technical field of machine tool equipment, in particular to a numerical control grinding machine product quality real-time monitoring optimization method based on the Internet of Things. The method comprises the following steps: acquiring multi-node real-time operation data of the numerical control grinding machine; working state parameters of key components of the grinding machine are counted according to the multi-node real-time operation data; the product machining quality fluctuation trend is determined based on the multi-node real-time operation data and the working state parameters of the key components of the grinding machine; according to the product machining quality fluctuation trend, the cooperative change rule of the grinding machine tailstock jacking force is detected; and determining the geometric accuracy limitation trend of the workpiece according to the cooperative change rule of the jacking force of the tailstock of the grinding machine. According to the method, the control parameter adjustment behavior, the system response state and the quality detection result of the numerical control grinding machine are associated and integrated, and the tracking and effect evaluation of the key control behavior are realized by constructing a historical contrast system of the adjustment behavior and the response data.

The invention discloses a dynamic thermal deformation compensation method for a numerical control grinding machine. The dynamic thermal deformation compensation method comprises the following steps that three-dimensional temperature field data of a mechanical head are obtained in real time through a distributed temperature monitoring unit; inputting the three-dimensional temperature field data into a numerical control grinding machine thermal deformation digital twin model, and predicting thermal deformation and spatial distribution of the mechanical head in a future time period through coupling temperature field-stress field-deformation field simulation calculation; and generating a compensation strategy according to the thermal deformation and the spatial distribution, driving the radiator to move to a thermal deformation sensitive area for directional heat dissipation, and adjusting the position and posture of the grinding head through a five-axis linkage system of the numerical control grinding machine to offset the predicted thermal deformation. A three-dimensional temperature field of the mechanical head is reconstructed in real time through the distributed temperature monitoring unit, and accurate real-time prediction of thermal deformation and spatial distribution is achieved; and meanwhile, a five-axis system is cooperated to pre-adjust the position and posture of the grinding head, and the thermal deformation restraining precision and the machining stability are remarkably improved.

The invention belongs to the technical field of numerical control machine tool control, and discloses a deep groove ball bearing ring grinding error compensation method and system, and the method comprises the steps: monitoring the temperature of a numerical control grinding machine body and a main shaft in real time through a plurality of temperature sensors, and obtaining the temperature field distribution data of a numerical control grinding machine; according to the numerical control grinding machine temperature field distribution data, the temperature gradient of each temperature measurement position is calculated; comparing each temperature gradient obtained by calculation with a preset temperature gradient threshold value, and judging whether a temperature measurement position with the temperature gradient exceeding the temperature gradient threshold value exists or not; when the temperature measurement positions with the temperature gradients exceeding the temperature gradient threshold exist, error compensation parameters of the numerical control system are determined according to the temperature gradients of all the temperature measurement positions, and the grinding machining track and grinding parameters are corrected; therefore, the grinding precision of the deep groove ball bearing ring can be improved.

The invention relates to the technical field of grinding control, in particular to a constant-power grinding control method, system and equipment of a numerical control grinding machine. According to the method, in a preset historical time period of a to-be-regulated moment, a time sequence curve of the deviation of the grinding power of the numerical control grinding machine relative to the preset grinding power is obtained and subjected to time sequence decomposition, and then proportional gain in PID control parameters is obtained according to the change trend of a trend component and the power deviation at the to-be-regulated moment in the trend component; obtaining an integral gain in the PID control parameters according to the periodic fluctuation characteristics of the seasonal components; according to the change trend of the time sequence curve and the fluctuation characteristics of the residual component, and in combination with the proportional gain and the integral gain, obtaining the differential gain in the PID control parameters; and finally carrying out constant-power grinding control on the numerical control grinding machine. The PID control parameters are adaptively adjusted based on the time sequence decomposition result of the power deviation, and the constant power control effect on the numerical control grinding machine is improved.

The utility model belongs to the technical field of separating devices, and relates to an oil-liquid separating device of a numerical control grinding machine tool, which comprises a separating cylinder, a filtering device, a machine frame and a separating motor, the separating cylinder is arranged on the lower portion of the machine frame, an oil-liquid tank, a rotating drum and a rotating shaft coaxial with the separating cylinder are arranged in the separating cylinder, and the lower end of the rotating shaft is connected with the separating motor. The oil liquid tank is coaxially suspended in the separation barrel, the filtering device is arranged above the oil liquid tank and comprises a filtering box, an electric heating strip, a magnetic stirring rod and a stirring rotating shaft, a filtering net disc is arranged at the bottom of the filtering box, and the upper end of the stirring rotating shaft is connected with a stirring motor. The electric heating strip melts greasy dirt condensed on waste chips and then flows into the lower separating barrel along with an oil-liquid mixture for centrifugal separation, a centrifugal separation method is adopted for oil-liquid separation, waste oil and cutting fluid are rapidly separated, and the recycling speed of the cutting fluid is increased.

The composite horizontal numerical control grinding machine comprises a grinding machine table, a polishing mechanism and a middle grinding mechanism, two sliding rails are fixedly installed at the top of the grinding machine table, and a first movable sliding frame is slidably installed on the outer sides of one ends of the two sliding rails; a clamping mechanism is fixedly installed at the top end of the first movable sliding frame. According to the scheme, when smoke dust absorption operation is needed, the powerful fan is started at the moment, air flow firstly passes through the air guide fan blades and rotates along with the hollow rotating shaft to achieve primary pushing, the air flow flows through the hollow rotating shaft and the middle positions of the middle barrel and the outer barrel, and smoke dust at the grinding position is pushed to a lathe five-jaw chuck; the air flow is intercepted and filtered through the step-by-step air filter plates which are distributed step by step, and the filtered smoke dust is stacked on the opposite side of the hollow clamping frame, so that the maintenance box can be conveniently and regularly opened for cleaning, the emission of the smoke dust can be conveniently reduced, and the efficiency of blowing the smoke dust by the air flow and the auxiliary cooling can be improved.

The invention discloses a grinding wheel state recognition method and system based on a multi-strategy improved DBO algorithm. The method comprises the steps that multi-sensor data of a numerical control gear grinding machine tool are collected, preprocessed and marked with abrasion labels; performing efficient global optimization on hyper-parameters of the CNN-BiLSTM-Attention model by adopting a multi-strategy improved dung beetle optimization algorithm fusing Logistic chaotic mapping initialization, a spiral search strategy optimization breeding stage and a Levy flight strategy optimization stealing stage; and finally, precise prediction and evaluation of the abrasion state of the grinding wheel are achieved through the optimized model. The system comprises a multi-source data preprocessing module, an intelligent hyper-parameter optimization module, a depth prediction model training module and a state prediction and performance evaluation module. According to the method, the problems that a traditional hyper-parameter optimization method is low in efficiency and prone to falling into local optimum are effectively solved, and the precision, convergence speed and working condition adaptability of a state recognition model are remarkably improved.

The invention discloses a numerical control intelligent grinding machine programming system and method, and relates to the technical field of numerical control grinding machines. According to the technical key points, based on a machining information input module, a workpiece contour rapid identification module, a workpiece size accurate measurement module, a grinding program automatic generation module, a coordinate system calibration module, a program simulation verification module, a machining state data acquisition module and a grinding parameter optimization module, the size of a grinding workpiece blank can be accurately identified; according to the method, an executable program code file is generated, the numerical control guide rail grinding machine executes cutter parameters, machining parameters, G codes, interpolation precision and the like in the code file to achieve automatic machining, the grinding parameters are optimized in real time in the grinding process, and the method is simple, efficient, easy to use and high in engineering practicability.

The numerical control surface grinding, chamfering and rounding all-in-one machine comprises a machining all-in-one machine, a machining bin is formed in the upper left corner of the front end of the machining all-in-one machine, a bin door is connected to the upper side of the front end of the machining all-in-one machine in a sliding mode, and the bin door can slide to the front end of the machining bin for shielding. Storage mechanisms are arranged on the left side and the right side of the inner wall of the lower end of the machining bin correspondingly, a plurality of chamfering and rounding grooves with different inner diameters are formed in the cylindrical outer wall of a chamfering and grinding wheel, and the edge of a silicon wafer can be chamfered and rounded at different angles; chamfering rounding grooves with different inner diameters can be adjusted to be clamped at the two ends of a silicon wafer to meet different machining requirements, stretching and retracting between a clamping telescopic rod and a telescopic sliding sleeve are controlled through a hydraulic control mechanism, the clamping position and tightness can be controlled according to the radius of the silicon wafer, the chamfering rounding device is suitable for machining of the silicon wafers with different radiuses, the machining range is widened, and the machining quality is improved.

The application discloses a numerical control grinding machine grinding wheel mounting and dismounting device, and belongs to the technical field of numerical control grinding machines.It comprises a frame, a hand wheel, a transmission shaft, a front side mounting plate, a bearing seat mounting plate, a lead screw, a guide rail and a grinding wheel mounting mechanism.The frame bottom is provided with a foot wheel assembly.The frame is vertically provided with the front side mounting plate.The lead screw is rotatably arranged on the side wall of the front side mounting plate and is threadedly connected with the grinding wheel mounting mechanism.The guide rail is arranged beside the lead screw and is connected with the grinding wheel mounting mechanism.The front side mounting plate top is provided with the bearing seat mounting plate.The first end of the transmission shaft is connected with the hand wheel.The second end of the transmission shaft is connected with the lead screw.The hand wheel drives the transmission shaft to rotate, and then drives the lead screw to rotate through the transmission shaft to drive the grinding wheel mounting mechanism to lift and lower.The application can move the lifting grinding wheel mounting mechanism through the frame, and lift and lower the grinding wheel through the grinding wheel mounting mechanism, greatly reducing the difficulty of workers in dismounting and mounting the grinding wheel and ensuring the safety of dismounting and mounting.

The invention discloses a numerical control grinding machine machining precision control method and system, a medium and a product and relates to the field of numerical control machining. According to the method, a digital geometric model of a workpiece to be machined is obtained, and a preset machining tool path is generated; curvature gradient analysis is carried out on the digital geometric model along the preset machining tool path, and a local mutation area is obtained; generating a prediction compensation value based on the curvature and the curvature change rate of each processing point on the preset processing tool path and the relative position of each processing point and the local sudden change area; in the machining process, the machining deviation between the actual machining contour of the current machining point and the digital geometric model is obtained, and feedback correction is generated based on the machining deviation; and performing weighted fusion on the feedback correction amount corresponding to the current processing point and the predicted compensation value to generate a composite correction instruction, generating final process parameters based on the composite correction instruction, and controlling the numerical control grinding machine to execute the final process parameters. According to the technical scheme, the workpiece machining precision is improved.

The utility model provides a grinding wheel set high-precision rapid replacement structure and a numerical control grinding machine applying the same. The grinding wheel set high-precision rapid replacement structure comprises a main shaft driving module and a main shaft. The grinding wheel library is mounted on one side of the axial direction of the main shaft and comprises a rotating module, and a plurality of grinding wheel sets are distributed on the rotating module in the circumferential direction; the main shaft is installed on the main shaft driving module to move in multiple directions, the grinding wheel library is installed on one axial side of the main shaft, the rotating module rotates to enable the needed grinding wheel set to coaxially face the main shaft and conduct translation butt joint assembly, replacement of the grinding wheel set is fast and efficient, and the machining capacity of a machine tool is guaranteed. The technical problems that in the prior art, a grinding wheel set in the state directly machines a workpiece and cannot move in multiple directions, and consequently the machining capacity is limited are solved.

The invention relates to the technical field of workpiece grinding, and discloses a high-precision five-axis numerical control grinding machine which comprises a supporting assembly, a first adjusting unit and a second adjusting unit are arranged above the supporting assembly, and the first adjusting unit comprises a second driving motor. An adjusting plate is arranged at the output end of the second driving motor through a second lead screw thread, the second driving motor can drive the adjusting plate to move in the linear direction of the surface of the second lead screw, and a connecting arm is arranged above the adjusting plate through a supporting frame; through the contact plates hinged to the clamping blocks, the built-in strain gauges and the electric connection pressure sensors, in cooperation with the electromagnets, the curved bars and other structures, the contact pressure can be detected in real time, chippings and burrs can be actively removed, it is ensured that the workpieces are completely attached to the clamping faces, machining displacement is avoided, the polishing precision is remarkably improved, and the problem that when the columnar workpieces / jigs are polished, the machining efficiency is high is solved. The problems of false positioning caused by cuttings and dust and machining displacement caused by burrs and hard spots on the surface of a workpiece are solved.

This invention discloses an integrated CNC grinding and polishing device for profile surface processing, relating to the field of profile grinding. It primarily addresses the problem of converting the horizontal linear motion of a workpiece into a continuous attitude transition motion from horizontal to vertical, enabling continuous grinding of different angles and areas of the workpiece. This invention utilizes an automatic attitude transition component to convert the workpiece's horizontal movement within the grinding gap into a gradual approach towards a vertical position. During this attitude transition, the workpiece's position within the grinding gap is automatically and dynamically adjusted. Specifically, this involves converting horizontal linear displacement into deflection until the workpiece reaches the desired surface for processing. This process enables continuous grinding of profiles at different angles and in different areas, meeting the grinding requirements of irregularly shaped profiles and complex surfaces, and improving grinding adaptability.

The utility model relates to the technical field of water pump rotor machining equipment, in particular to a numerical control grinding machine. The grinding wheel assembly composed of the servo motor and the grinding disc in transmission connection with the output shaft of the servo motor is adopted, and the servo motor at least comprises two different output rotating speeds and is matched with different materials of the rotating shaft, so that the rotating shaft can be ground at different output rotating speeds according to different materials of the rotating shaft; the outer diameter of the rotating shaft is detected through the detection assembly, when it is detected that the outer diameter of the rotating shaft meets the target requirement, the result is fed back to the controller, the controller controls the servo motor to stop grinding, the servo motor high in control precision and stability is adopted, and control over grinding precision improvement is facilitated.

The invention relates to the technical field of manufacturing and processing of marine turbochargers, in particular to a method and a device for processing a ring thrust bearing of a marine supercharger, which are characterized in that after a set of preparation process including rough turning, heat treatment, semi-finish turning and inner hole accurate grinding is adopted, a special taper mandrel for grinding is used for clamping the bearing, and the bearing is clamped by a conical mandrel for grinding; the taper mandrel for grinding has the precise taper of 1: 5000, high surface quality and rigid design matched with the length of a bearing, accurate grinding of all outer circles and end faces is completed through one-time clamping of double tips of a numerical control grinding machine, and online detection is achieved in cooperation with a special auxiliary detection tool. The problem that the form and position precision is difficult to guarantee due to clamping deformation and repeated positioning errors in traditional machining is effectively solved, and therefore high-precision (such as roundness, coaxiality and parallelism are in the micron level), low-deformation, efficient and stable machining is achieved at the same time in the manufacturing process of the large thin-wall annular thrust bearing.

The utility model relates to the technical field of grinding equipment, in particular to CNC grinding equipment capable of automatically collecting sweeps. Comprising an adjusting device, the adjusting device comprises a fixing frame, the fixing frame is fixedly connected with the output end of a power device, an adjusting groove is formed in one side of the fixing frame, two sliding blocks are slidably connected to the inner wall of the adjusting groove, and a connecting plate is fixedly connected to the side, close to the adjusting groove, of the fixing frame; one side of the connecting plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a two-way screw rod. According to the CNC grinding equipment capable of automatically collecting the sweeps, when the surfaces of parts are ground through the grinding equipment, the sweeps splashed in the grinding process can be collected through the adjusting device, the sweeps are prevented from being scattered to the ground and influencing the whole working environment, meanwhile, dust pollution can be reduced, and the production efficiency is improved. And the working safety of workers near the grinding equipment is improved.

The utility model relates to a numerical control grinding machine with a feeding and discharging mechanism, and relates to the technical field of numerical control grinding machines. The numerical control grinding machine comprises a rack, a chuck seat and a grinding wheel seat are installed on the rack, a driving assembly is arranged on the rack and used for driving the chuck seat and the grinding wheel seat to move on the rack, a material disc assembly is arranged on one side of the rack, and a material disc is arranged on the other side of the rack. The tray assembly is used for placing parts to be machined and finished parts; a clamping jaw assembly is arranged on the machine frame and used for clamping a part. The rack is further provided with a moving assembly, and the moving assembly is used for driving the clamping jaw assembly to move between the material disc assembly and the chuck base. The operation of feeding and discharging by workers is omitted, manpower resources are saved, the production cost is reduced, manual installation is omitted, deviation is not prone to occurring, and potential safety hazards are reduced.

The present application relates to worm grinding wheel gear grinding surface texture active regulation method based on micro pulse grinding. It includes the following steps: using white light interferometer to measure the surface morphology of the gear generated under the conventional grinding mode, and obtaining the accurate information of the texture ditch height; the height of the texture ditch is used as a reference to determine the micro pulse amplitude, and the pulse frequency is set to generate the micro pulse grinding program; the changed NC program is copied to the designated folder of the numerical control gear grinding machine numerical control system and replaces the original program, and the micro pulse grinding is carried out. The micro pulse grinding processing mode proposed in the present application can generate the network texture along the contact trace direction and along the direction of the tooth, which changes the single regular texture along the direction of the tooth under the conventional grinding mode, so as to help to improve the performance of the gear, reduce the surface defects, improve the surface quality, and help to reduce the meshing impact and reduce the noise.

The invention discloses a multi-tool-magazine switching method and a numerical control grinding machining center thereof, and the multi-tool-magazine switching method comprises the following steps: step 1, a tool changing disc of a tool changing mechanism takes down a tool from a chain at a tool taking position of a chain type tool magazine; 2, the displacement amount of the chain during rotation is determined; thirdly, the tool changing mechanism translates to be away from the chain type tool magazine and close to a milling head of the machining mechanism; and fourthly, the chain type tool magazine drives the chain to rotate intermittently with the distance between every two adjacent tools as the single displacement amount, and in only one intermittent displacement in the process, the chain type tool magazine drives the tool changing disc to change the tools of the milling head. According to the multi-tool-magazine machining center, the tool to be taken on the tool taking position can be replaced, the tool changing disc can conduct milling head tool changing parallel operation, the machining waiting time is shortened, closed-loop continuous operation of tool taking, tool moving, tool changing, resetting and tool re-taking is achieved, and the overall flexibility of the multi-tool-magazine machining center is improved.

The workpiece clamp for the five-axis numerical control grinding machine comprises a working table, the outer side of the working table is fixedly connected with a plurality of installation bases which are evenly distributed, the top of the working table is connected with two sliding bases which are symmetrically distributed in a sliding mode, clamping blocks are connected into the sliding bases in a sliding and sleeved mode, the clamping blocks are connected with the sliding bases in a sliding mode, and the clamping blocks are connected with the sliding bases in a sliding mode. The left end and the right end of the workbench are fixedly connected with driving motors. Through the design of the driving motor, the output end of the driving motor can drive the threaded rod to rotate, threaded movement of the connecting block can be achieved, the connecting block can drive the sliding base and the clamping block to move, a workpiece can be clamped and positioned in the horizontal direction through movement of the clamping block, and after positioning in the horizontal direction is completed, the workpiece can be clamped and positioned. The pressing cylinder can be pressed downwards by starting the rotating motor, the workpiece can be pressed downwards and positioned through the pressing cylinder, the workpiece can be fixed in the horizontal direction and the vertical direction, and the workpiece clamping stability is improved.

The utility model discloses a numerical control grinding machine capable of achieving automatic discharging. The numerical control grinding machine aims at solving the problems that a traditional grinding machine is low in manual discharging efficiency, poor in working environment, unstable in machining quality and the like. The grinding machine comprises a rack, a grinding unit, a locking assembly, an automatic overturning discharging mechanism and a synchronous belt conveying line. The overturning mechanism supports the flexible adjustment of the upward overturning angle of the object carrying overturning plate with different sub-rotating shafts as shafts, and when any sub-rotating shaft is locked by a spring bolt of the locking assembly, the overturning driving mechanism can drive the object carrying overturning plate to overturn upwards with the locked sub-rotating shaft as the shaft to unload materials to the synchronous belt conveying line. And conveying out of the grinding machine through the synchronous belt conveying line. According to the scheme, the machining efficiency and the automation level are remarkably improved, the labor cost and the dust exposure risk are reduced, the working environment is improved, meanwhile, material waste is reduced through precise grinding, and the device is suitable for industrial scenes with high-precision and multi-face grinding requirements and has wide application prospects.

The utility model belongs to tool processing equipment technical field, concretely relates to a five -axis automatic numerical control whetstone equipment, including frame and setting longitudinal transmission sliding table mechanism and polishing mechanism on the frame, polishing mechanism corresponds with angle adjusting mechanism, angle adjusting mechanism sets up on horizontal transmission sliding table mechanism, horizontal transmission sliding table mechanism perpendicularly sets up on longitudinal transmission sliding table mechanism. The utility model discloses through the cooperation and cooperation of longitudinal transmission sliding table mechanism, horizontal transmission sliding table mechanism, polishing mechanism and angle adjusting mechanism, need only to clamp once to the workpiece to be polished, can complete the precision polishing processing of various complex blade type. This integrated design not only improves the machining quality and consistency of tool blade type significantly, but also improves the production efficiency greatly. Through multi -axis linkage control, this equipment can adapt to the tool blade type polishing demand of different shapes and angles, has extensive process adaptability and excellent machining effect.

The high-precision self-locking shaft body milling numerical control grinding machine tool comprises a bottom frame and an upper shell, and is characterized in that a first movable mounting base is arranged on the left side of the upper end of the bottom frame, a milling base is arranged at the upper end of the first movable mounting base, and a self-locking shaft body assembly is arranged at the upper end of the milling base; a bidirectional motor is arranged at the left end of the milling base, and the right end of an output shaft of the bidirectional motor penetrates through the milling base to be fixedly connected with a workpiece clamping base. A liquid storage tank is arranged at the upper end of the upper shell, a liquid conveying pipe is arranged at the lower end of the liquid storage tank, the lower end of the liquid conveying pipe penetrates through the upper shell to be connected with a through-flow valve, and the lower end of the through-flow valve is connected with a liquid outlet pipe; by arranging the self-locking shaft body assembly, the shaft body limiting assembly and the first shifting rod, full-process mechanical self-locking of automatic feeding, automatic clamping, quantitative spraying of cooling liquid, machining and automatic material loosening is achieved, centered limiting clamping of various milling cutters is ensured, the deviation angle of clamping installation of the milling cutters is reduced, the yield is increased, and the problem of response lag of a traditional clamp is solved.

The invention relates to the field of numerical control machining equipment, in particular to a high-machining-efficiency numerical control grinding machine which comprises a machine tool body, a fixed seat fixedly arranged on the machine tool body, an adjusting seat arranged on the machine tool body in a sliding mode and a driving part located on the machine tool body and used for driving the adjusting seat to move. The fixing base and the adjusting base are each provided with a tip used for clamping the end of the shaft part, a plurality of grinding machines electrically connected to the control system are arranged on the machine tool body in a sliding mode, and the grinding machines are arranged in the axis direction of the shaft part. The method has the advantage that the grinding machining efficiency is improved.

The invention relates to the technical field of numerical control grinding machines, in particular to a high-precision metal part machining numerical control grinding machine which comprises a base and a workbench arranged on the base, a horizontal driving assembly used for driving the workbench to horizontally move is arranged in the base, a clamp assembly is fixedly installed on the workbench, and a stand column is arranged on the rear side of the base and vertically installed. A main shaft is arranged at the front end of the stand column; through the arrangement of the pressing rod, the lever and the plate spring, the pressing rod moves in the direction close to the magnetic attraction base under the magnetic force action of the magnetic attraction base, the plate spring is compressed, the elastic force of the plate spring acts on the end, located in the mounting groove, of the lever, and the elastic force is converted into downward pressure of the end, located outside the mounting groove, of the lever through the lever and the first hinge base; therefore, the clamping force on the to-be-polished part is completed, the horizontal restraining effect on the to-be-polished plate is guaranteed, and the surface polishing quality of the numerical control grinding machine on the non-magnetic thin plate type workpiece is guaranteed.

This utility model relates to the field of CNC grinding machine tool technology, specifically to an automatic loading and unloading mechanism for a CNC grinding machine tool. The mechanism includes: a lifting mechanism, primarily used for placing materials; two lifting mechanisms are provided and symmetrically arranged; each lifting mechanism includes a support frame, on which two slide rails are symmetrically arranged, and sliders are slidably mounted on each slide rail, with the two sliders connected to a support table; and a positioning mechanism, primarily used for positioning materials. The positioning mechanism is connected to the two lifting mechanisms at both ends and includes a long plate. A lead screw is provided on the side of the long plate away from the lifting mechanism, and sliders are helically connected to the lead screw. This utility model has the advantages of simple structure, reasonable design, high degree of automation, uniform positioning accuracy, and high loading and unloading efficiency, and is worthy of widespread promotion and application.

The utility model discloses a table type numerical control machine tool, and belongs to the technical field of numerical control grinding machines. The device mainly comprises a base; the fixing frame is installed at the upper end of the base, a first adjusting mechanism is transversely arranged on one side of the fixing frame, a second adjusting mechanism is longitudinally arranged on the side, away from the fixing frame, of the first adjusting mechanism, and a cutter grinding set is installed on the other side of the second adjusting mechanism; the electric three-jaw chuck is mounted at the upper end of the base and is used for fixing a material to be polished; the detector is arranged at the upper end of the base; the moving mechanism is arranged at the lower end of the detector, and the moving mechanism is used for adjusting the position of the detector; and the cleaning mechanism is provided with an extension plate mounted at the upper end of one side of the detector. According to the table type numerical control machine tool, in the material surface detection process, the influence of some granular pollutants on the material surface is avoided, the detection result is improved, and the contact pin of the detector is prevented from being damaged.

The grinding wheel dressing device comprises the numerical control grinding machine, the numerical control grinding machine comprises an equipment base, a sliding table, a supporting plate, a clamp and a cutter, the sliding table is connected to the upper end of the equipment base in a sliding mode, the supporting plate is fixed to the middle of the inner side of the sliding table, and the clamp is fixed to the middle of one end of the supporting plate; the cutter is clamped at the upper end of the clamp; the shielding assembly comprises fixing plates, a connecting shaft, a U-shaped protective cover, a first connecting block and a second connecting block, one end of each fixing plate is fixed to the side edge of the supporting plate, the connecting shaft is fixed between the two fixing plates, the first connecting block is connected to the middle of the connecting shaft in a sleeving mode, and one end of the second connecting block is fixed to the side edge of the first connecting block; the side lower end of the U-shaped protective cover is fixed to the other end of the second connecting block. The problems that a cutter is installed on a grinding machine and located on the side edge of a workbench, and when a to-be-ground product is installed, the cutter hurt a worker in a bumping mode are solved.

The utility model discloses a multi-axis numerical control grinding machine which comprises a base, a first lead screw moving mechanism for controlling movement in the Z-axis direction is arranged on the front side of the base, a workbench is fixedly connected to the top end of the base, and a guide rail moving mechanism for controlling movement in the X-axis direction is installed on the base. A second screw rod moving mechanism for controlling the movement in the Y-axis direction is arranged on the first screw rod moving mechanism; compared with other similar grinding machines, the grinding precision is more stable, the service life is longer, and the maintenance cost is lower. The first lead screw moving mechanism is provided with the balance weight, the grinding machine of the same type is not provided with the balance weight, under the supporting of the balance weight, a tool cannot fall off when the first lead screw moving mechanism moves, the service life of the first lead screw moving mechanism is longer, and machining feeding is more accurate.