2171 results about "Grinding wheel" patented technology

The invention discloses a steel pipe polishing equipment, which comprises a steel pipe polishing equipment body. A main valve of a polishing motor is arranged in the main body of the steel pipe polishing equipment; a polishing handle is arranged on the main valve of the polishing motor; The valve is provided with a rotating roller; the front end of the rotating roller is provided with polishing bristles; one side of the rotating roller is provided with an outer throwing roller; a clamping spring is arranged between the outer throwing roller and the rotating roller; The outer throwing roller is provided with an outer throwing brush; a symmetrical magnet is arranged between the outer throwing brush and the polishing bristles; a polishing wheel is arranged on the outer throwing brush and the polishing bristles; the polishing The grinding wheels are arranged in a figure-eight shape. Its structure is simple, easy to use, and easy to operate. It can realize the polishing of the outer surface and the inner wall. The polishing is fast and uniform, with high efficiency and convenient use.

The utility model discloses a stone processing edging device which comprises two fixing frames which are symmetrically arranged up and down, and a polishing mechanism used for polishing the edge of a stone is arranged between the fixing frames. The grinding mechanism comprises supporting synchronous wheels, a first motor, a driving synchronous wheel, a transmission synchronous belt, a second motor and an edge grinding wheel, the multiple supporting synchronous wheels are evenly and movably arranged on one side of the surface of the fixing frame through rotating shafts, and the first motor is fixedly arranged on one side of the fixing frame; and a driving synchronizing wheel is fixedly arranged at the power output shaft end of the first motor. The stone edge grinding device is good in using effect, special fixing and aligning are not needed during edge grinding, stone is inserted between the upper conveying synchronous belt and the lower conveying synchronous belt through the guide wheels, then edge grinding work of the stone can be automatically completed under the conveying effect of the conveying synchronous belts, and therefore the edge grinding efficiency can be greatly improved.

The cBN resin superhard grinding wheel is prepared from the following raw materials in percentage by mass: 30 to 45 percent of cBN grinding material, 1 to 3 percent of nano yttrium oxide, 2 to 3 percent of nano zirconium oxide, 2 to 4 percent of coupling agent, 1 to 3 percent of silicon dioxide compound and the balance of phenolic resin. The phenolic resin matrix is jointly modified by the nano yttrium oxide, the nano zirconium oxide and the specific silicon dioxide compound, and the prepared grinding wheel has good wear resistance, hardness and temperature resistance.

The invention discloses a ceramic workpiece grinding control system based on vision measurement, which relates to the technical field of ceramic workpiece grinding and comprises a multi-source data acquisition module, a data preprocessing module, a vision measurement and grinding calculation module and a grinding control execution module, the vision measurement and grinding calculation module comprises a vision guide contour deviation module, a grinding allowance calculation module and a grinding feeding speed adjusting module. Self-adaptive grinding is achieved through cooperation of three modules in the vision measurement module and the grinding calculation module, precise deviation is output in combination with parameters such as vision guidance and curvature, a basis is provided for allowance adjustment, allowance is optimized in combination with parameters such as adaptive material characteristics and grinding wheel abrasion, the precision and the material utilization rate are balanced, and the grinding precision is improved. The speed is dynamically adjusted according to the allowance, the temperature and the like, quality and efficiency are considered, and the machining quality, efficiency and the adaptability of the system to different working conditions are improved under multi-source data cooperation.

The invention provides polishing and grinding equipment suitable for aviation turbine blades. Comprising a base, a protective cover is arranged above the base, a workbench is formed at the top of the base in the protective cover, a feeding assembly, a grinding wheel polishing assembly, an abrasive belt polishing assembly and a polishing assembly are sequentially arranged on the workbench along an annular track, and a six-axis robot is fixedly installed on the workbench and used for clamping turbine blades. The feeding assembly comprises two discharging units which are symmetrically arranged and can circularly enter the protection cover, and the feeding assembly is used for conveying turbine blades to be ground and polished and ground and conducting suction dust removal on the surfaces of the blades in the moving process. By integrating various grinding and polishing assemblies on the same station and cooperating with multi-degree-of-freedom transfer of the six-axis robot, continuous machining of different areas of the turbine blade is achieved, the machining consistency and the surface quality are improved, meanwhile, the operation safety is improved, and the influence of impurities on the polishing effect is reduced.

The invention relates to the technical field of machining, and provides grinding equipment and technology for a cast full-automatic lock for a ship, the grinding equipment for the cast full-automatic lock for the ship comprises an equipment base, and a pressing mechanism, a transferring mechanism and a grinding mechanism are arranged on the equipment base; the pressing mechanism is used for pressing the workpiece; the transferring mechanism is used for driving the workpiece and the pressing mechanism to move; the grinding mechanism comprises a grinding assembly, the grinding assembly comprises a grinding support, a first grinding device and a second grinding device, the first grinding device and the second grinding device are arranged on the grinding support, the first grinding device comprises a grinding wheel, and the second grinding device comprises a grinding head and is rotationally arranged on the first grinding device. The rotating axis of the second grinding device is collinear with the axis of the grinding wheel; an overturning assembly is arranged on the grinding support and used for driving the second grinding device to rotate. According to the method, the machining error can be reduced, the waiting time between different machining procedures is shortened, and the compactness of the machining process is achieved.

The invention belongs to the technical field of numerical control machining, and discloses a numerical control machining tool path regulation and control method and system based on a dynamic coordinate system and overcut pre-judgment. The method aims at the problems that in complex curved surface grinding, due to static programming, tracks and poses are disjointed, and the overcut risk is difficult to control in time. The method comprises the steps that a dynamic coordinate system updated along with a tool edge line in real time is constructed, and design coordinates are mapped to the coordinate system; a sampling point is preset in the neighborhood of a grinding wheel theoretical contact point, and the theoretical distance and the actual distance between the sampling point and the axis of the grinding wheel are quantitatively calculated to achieve intelligent pre-judgment of the overcut risk before machining; and when it is judged that the risk exists, differentiated grinding wheel dynamic deflection angle correction is triggered in a grading mode according to the overcut occurrence position, and a perception pre-judgment correction closed loop is formed till the risk is eliminated. Dynamic coupling and self-adaptive regulation and control of the tool path and the real-time pose are achieved, and the machining precision, the consistency and the process reliability are remarkably 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 utility model relates to a multi-stage flour processing flour mill, and belongs to the technical field of crop production. The flour mill comprises a flour mill body, a coarse grinding machine and a fine grinding machine, and the coarse grinding machine is composed of a discharging hopper, a material blocking disc, a transmission disc, a driving motor and a grinding assembly and used for conducting preliminary crushing on grains; the fine grinding machine is provided with a protection box, a grinding wheel, a fine-hole leakage net and a scraping plate, secondary submerging of materials is achieved through a material returning plate, a spiral blade feeding device and a rotary rod motor, and particles influencing the eating taste are prevented from occurring in the grinding process. The equipment is of a multi-stage transmission structure, linkage of coarse grinding and fine grinding is coordinated through a belt, a transmission rod and a liftable transmission assembly, and efficient classified collection of flour is achieved in combination with a leakage net and a transmission leakage net. By optimizing the structural design, the problems that a traditional flour mill is low in efficiency and uneven in flour quality are solved, and the flour mill has the advantages of being high in grinding precision, stable in flour yield, convenient and fast to operate and the like.

An automated skate sharpening machine is provided. The machine includes a grinding wheel operable to rotate about a first axis by a grinding wheel motor; one or more skate holders to clamp a skate blade with its edge facing the grinding wheel; wherein at least one of the grinding wheel motor and the one or more skate holders are rotatable about a second axis perpendicular to the first axis. The machine also includes a control system coupled to at least one of the grinding wheel motor and the one or more skate holders, the control system operable to move the grinding wheel motor and / or the one or more skate holders relative to each other along any one of three directional axes to engage the grinding wheel with the skate blade, wherein the control system is further operable to rotate the grinding wheel motor and / or the one or more skate holders about the second axis to orient the grinding wheel in a first position relative to the one or more skate holders to cross-grind the skate blade, or a second position relative to the one or more skate holders that is longitudinally aligned with the skate blade to sharpen the skate blade.

The utility model discloses a device for processing a hook spring workpiece, the hook spring is a C-shaped structural member formed by folding a steel belt and stamping, the device comprises a bottom plate, a workpiece positioning seat and a support frame, the workpiece positioning seat and the support frame are arranged on the bottom plate, the workpiece positioning seat is used for accommodating and fixing the hook spring workpiece, and the support frame is used for supporting the hook spring workpiece. The supporting frame is movably connected with the bottom plate through a rotating shaft, an angle grinder is fixedly installed on the supporting frame, the supporting frame is pulled by hand to make the supporting frame move around the shaft relative to the rotating shaft, the angle grinder can be driven to move, the angle grinder gradually gets close to the workpiece positioning base, and then the periphery of a grinding wheel is used for conducting cutting type grinding on the tail end of a hook spring workpiece. The tail end of the hook spring workpiece can be quickly and accurately processed, and the processed end face is very smooth, so that the processing efficiency and the processing precision are greatly improved, and the abrasion to a grinding wheel is reduced.

The invention discloses an end face tool sharpener control system, and relates to the technical field of numerical control systems. The end face tool sharpener control system comprises a data preparation and recording module, a tool type parameter dynamic modeling module, a multi-axis linkage control module, a grinding wheel pressure self-adaption control module, a grinding wheel abrasion compensation module and a technological parameter optimization module. By comprehensively collecting multi-dimensional historical processing data and constructing a set framework, automatic classified storage of parameters is realized; the NURBS curve interpolation algorithm is adopted, and the machining precision and smoothness of the complex shape are guaranteed; instructions are synchronized in real time, errors are compensated, vibration is monitored in combination with an acoustic emission sensor, and machining stability is improved; a fuzzy PID model and machine learning are utilized to dynamically adjust parameters and optimize the parameters in advance; through machine vision and digital twinning, abrasion is accurately recognized, and the finishing period is predicted. And based on the hybrid model and reinforcement learning, predicting a processing result, dynamically adjusting parameters, and performing error compensation and sensitivity analysis.

The invention belongs to the technical field of spiral welded pipe coping, and particularly discloses a coping device and method for spiral welded pipe machining, and the coping device comprises a rack, a pipe end clamping mechanism and a shape follow-up self-adaptive grinding unit. By means of the integrated self-adaptive adjusting mechanism and the multi-dimensional adjusting assembly, spiral welding pipes with different pipe diameters can be rapidly clamped, and the space postures of the grinding wheels can be accurately aligned; particularly, a flexible avoiding mechanism supported by a spring is utilized, so that the guide wheel and the grinding wheel synchronously float when encountering a high welding seam, the clamping stagnation damage of equipment and the bending of a grinding wheel shaft are effectively avoided, the heat influence caused by severe friction is obviously reduced, the metallographic structure change of the welding seam and base metal is prevented, the corrosion resistance of a welded pipe is guaranteed, and the service life of the welded pipe is prolonged. And in cooperation with automatic seam searching of the guide wheel, automatic and high-quality grinding of all welding seams is achieved.

The invention discloses a germanium wafer chamfering method based on diameter optimization and double-grinding-wheel step-by-step grinding, and belongs to the technical field of semiconductor material machining. The method comprises the steps that in the slicing process, the diameter of a incoming germanium wafer is machined to be 1200-1300 microns larger than the diameter of a preset finished product, and sufficient chamfering machining allowance is provided; then, a step-by-step chamfering process is adopted, firstly, a metal bond grinding wheel with the abrasive particle size of 1000 meshes to 1500 meshes is used, and under the rotating speed of 2000 rpm to 4000 rpm and the feeding speed of 8 microns / s to 10 microns / s, rough chamfering machining is conducted for 3 times to 4 times at the single-time feeding amount of 300 microns to 400 microns, and then rough chamfering machining is conducted for 3 times to 4 times at the rotating speed of 2000 rpm to 4000 rpm and the feeding speed of 8 microns / s to 10 microns; and then switching to a resin binder grinding wheel with the abrasive particle size of 2000 meshes to 4000 meshes, and performing fine chamfering processing for 3 to 5 times at the rotating speed of 3000 rpm to 3500 rpm and the feeding speed of 5 mu m / s to 6 mu m / s at the single feeding amount of 10 mu m to 50 mu m. The problems that in a traditional method, the chamfering amount is insufficient, the machining efficiency and the surface quality cannot be considered at the same time, and the adaptability to large-diameter germanium wafers is poor are solved, and the comprehensive qualification rate of the wafers is increased.

The invention relates to the technical field of pipe fitting machining, in particular to plastic pipe cutting equipment with a pipeline anti-deviation structure, the plastic pipe cutting equipment comprises a cutting bottom frame and movable frames, the movable frames are rotationally arranged on the two sides of the top of the cutting bottom frame, and conveying positioning units are arranged in the two movable frames and on the two sides of the interior of the cutting bottom frame; a mounting frame is further fixedly arranged in the cutting bottom frame and located between the two movable frames, and a planetary cutting unit is further arranged in the mounting frame. By adopting a step-by-step process of pre-cutting and main cutting, a cutting servo electric cylinder drives a pre-cutting blade to form a concave positioning reference on the surface of a pipe to release local stress in advance, then full-depth cutting is completed through a main cutting blade, and stable rotation of a planet carrier in a rotating groove is matched, so that deformation of the pipe is remarkably reduced; the flatness of a cutting surface is improved; the edge grinding wheel in the negative pressure groove can grind the end face after cutting, and the quality of a finished product is further optimized.

The utility model relates to a double-sided grinding machine. A conventional saw blade grinding machine needs to change the position of a grinding wheel or adjust the position of a saw blade for reverse tooth machining, only one saw blade can be machined at a time, machining efficiency is affected, and the automation degree is low. The saw blade positioning device comprises a machine body, a saw blade feeding mechanism is arranged on the machine body, a center saw blade positioning mechanism is further arranged on the side portion of the saw blade feeding mechanism, clamping stations are arranged on the two sides of the center saw blade positioning mechanism, and the center saw blade positioning mechanism can turn over in the vertical direction to convert the positions of the clamping stations. Grinding wheel mechanisms are arranged on the two sides of the center saw blade positioning mechanism respectively. The saw blade machining device can complete saw blade machining in a full-automatic and efficient mode, and the working efficiency is remarkably improved.

The present application relates to a kind of low roughness roll surface grinding control method, comprising the following steps: (1) confirming the roll diameter is between 240-260mm;(2) roll surface middle position temperature is less than 35 degrees after grinding;(3) using 320# grinding wheel grinding to surface roughness Ra≤0.25um;(4) using 500# grinding wheel grinding to surface roughness Ra≤0.05um;(5) using 1000# grinding wheel grinding to surface roughness Ra≤0.015um;(6) to 1000# grinding wheel is refined;(7) again using 1000# grinding wheel grinding to surface roughness Ra≤0.015um;(8) using graphite grinding wheel polishing to surface roughness Ra≤0.015um;(9) testing roll surface.The low roughness roll surface grinding control method of the present application uses 320#, 500#, 1000#, graphite grinding wheel four kinds of grinding wheel to grind roll, optimizes the parameter in grinding process, and the mirror surface roll surface roughness obtained by processing is low, less than 0.015um, and the surface quality is high, uniformity is good, and grinding mark is less;At the same time, process control difficulty is small, and operability is strong.

The invention discloses outer ring grinding equipment for bearing steel ring machining, and belongs to the technical field of bearing machining. The device comprises a machine table, a grinding mechanism is arranged above the machine table, and the grinding mechanism comprises a grinding wheel and a driving assembly used for driving the grinding wheel to rotate and move; a bearing plate is fixedly mounted in the center of the top of the machine table, a limiting mechanism used for limiting a bearing outer ring is arranged on the edge of the top of the bearing plate, a plurality of cooling runners are formed in the middle of the bearing plate, and cooling nozzles are fixedly mounted in the cooling runners. The cooling nozzle is arranged below the bearing outer ring, in the polishing process of the bearing outer ring, cooling liquid is conveyed upwards from the lower portion to cool the bearing outer ring, and therefore the problem that cooling liquid conveying equipment arranged above interferes with operation of a polishing mechanism, and consequently the cooling liquid cannot be stably conveyed in the direction of the bearing outer ring is solved.

The invention belongs to the technical field of numerical control machine tool spindles, and discloses a worm grinding wheel gear grinding machine spindle online dynamic balance method and device, and the method comprises the steps: S1, building a worm grinding wheel gear grinding machine spindle motion model; s2, designing a built-in dynamic balance device of the grinding wheel spindle; s3, acquiring vibration data of the main shaft in a running state in real time; s4, the unbalance amount is calculated, and the dynamic balance device is adjusted; and S5, vibration data are repeatedly obtained and adjusted until the radial runout of the main shaft is lower than a set threshold value. The method can effectively reduce the vibration of the main shaft and improve the rotation precision by acquiring the vibration data of the main shaft in real time and adjusting the built-in device. The device comprises a shaft core, a balance tile, a driving motor and an adjusting assembly. The driving motor transmits torque to the balance tile through the adjusting assembly, and the relative position adjustment of the balance tile relative to the radial direction of the shaft core is achieved. The device is simple in structure and convenient to install, high-precision real-time dynamic balance is achieved through cooperation of the built-in balance tile, the adjusting assembly and the like, and the system reliability is improved.

The invention discloses a grinding wheel mixing uniformity real-time feedback control system and method based on machine vision, and relates to the technical field of intelligent control, and the method comprises the following steps: in the grinding wheel mixing process, synchronously collecting material data in a mixing cavity; based on the collected data, calculating an electrostatic agglomeration risk index representing an electrostatic microcosmic accumulation risk and a shear stripping tendency degree representing a rheological stripping risk of the binder; inputting the electrostatic agglomeration risk index and the shearing and stripping tendency degree into an electrostatic accumulation evolution trend prediction model, and outputting an electrostatic accumulation evolution trend in a future time window; and establishing an electrostatic suppression-material mixing control model, mapping the electrostatic agglomeration risk index and the shearing and stripping tendency degree into a state space of reinforcement learning, carrying a sensitive noise self-adaptive strategy based on stirring-electrostatic sensitivity, and outputting control actions aiming at a humidifying device and a stirring driving unit in real time. According to the method, the contradiction between the exploration rate and the long-term operation stability is solved.

This utility model discloses a glass grinding device for liquid crystal display substrates, relating to the field of glass processing technology. The device includes a main body and a motor. Its features include: a first wheel connected to the motor output end, and a second wheel connected to the top of the first wheel; positioning rods and positioning holes are provided on both sides of the bottom of the second wheel and both sides of the top of the first wheel; a support ring connects the first and second wheels, and abrasive is fixed to the outer ring of the support ring. Through the arrangement of the first wheel, second wheel, support ring, abrasive, limiting bolt, and anti-loosening washer, when the abrasive is severely worn and can no longer be used, the limiting bolt, anti-loosening washer, and second wheel can be disassembled sequentially, thereby ending the limiting of the support ring. Subsequently, the support ring and abrasive can be disassembled and replaced together. Compared to replacing the entire grinding wheel, this method uses less material, reducing replacement costs. Furthermore, the support ring can be separated by magnetic separation during recycling, improving recycling efficiency.

The utility model belongs to the technical field of ceramic grinding roller grinding wheels, and particularly relates to a ceramic grinding roller grinding wheel which comprises a grinding wheel outer wheel, a grinding wheel inner wheel and a fixing ring, the grinding wheel inner wheel is arranged in the grinding wheel outer wheel, the fixing ring is fixedly connected to the inner wall of the grinding wheel outer wheel, an inserting groove is formed in the fixing ring, and the grinding wheel inner wheel is located in the inserting groove. The insertion grooves are matched with the insertion grooves in an insertion manner; the multiple sliding grooves are formed in the grinding wheel inner wheel and communicate with the inner wall of the insertion groove, multiple insertion blocks are slidably connected into the multiple sliding grooves correspondingly, one end of each insertion block extends to the inner wall of the insertion groove and is in insertion fit with the insertion groove, and multiple first threaded rods are in threaded connection into the multiple insertion blocks correspondingly; the ceramic grinding roller grinding wheel solves the problems that when the outer wheel is seriously abraded or fractured in the long-time use process, due to the fact that the outer wheel and the inner wheel of the ceramic grinding roller grinding wheel are of an integrated structure, a user needs to replace the whole ceramic grinding roller grinding wheel, and the replacement cost is high.

The present application relates to a kind of quick tool setting method and system for automatic polishing of steel rail weld, method includes: before polishing, in the case where grinding wheel does not rotate, grinding wheel is fed to steel rail, and the position of the feed motor of polishing equipment in the feeding process is recorded in real time, and the current data of feed motor in the feeding process, from the recorded data, find out the position corresponding to the feed motor when the current of feed motor exceeds the set threshold, and determine the rough polishing reference with this position as reference, that is, realize the rough tool setting of polishing reference;During polishing, in the case where grinding wheel rotates, the position of the rough tool setting is used as the starting point of accurate tool setting, grinding wheel is fed to steel rail, and the contact condition of grinding wheel and steel rail is judged by analyzing the current change of polishing motor in real time, to realize the accurate tool setting of polishing reference.The present application constructs the automatic tool setting method based on rough tool setting and accurate tool setting, can convert the tool setting process dependent on artificial into automatic tool setting process.

The utility model discloses a kind of ampoule breaking gloves. The device of the utility model includes: vice finger sleeve is arranged on glove main body, vice finger sleeve includes three finger sleeves, respectively corresponding little thumb, ring finger and middle finger, index finger sleeve and thumb finger sleeve are arranged on glove main body;Thumb finger sleeve is wrapped with thumb gauze layer;The side of the thumb gauze layer towards index finger sleeve is opened with arc slot, and the arc slot is placed at thumb gauze layer finger palm portion;Grinding wheel piece is annular arc structure, the curvature of grinding wheel piece inside is adapted to the natural curvature of thumb finger palm, the inside of grinding wheel piece is embedded in arc slot, and grinding wheel piece two ends are provided with connecting belt, two connecting belts are tied on thumb gauze layer knot or buckle connection, and the outside of grinding wheel piece is exposed. The utility model can complete ampoule breaking by single hand operation, protect both hands while simplifying operation mode, improve efficiency.

The utility model relates to a mechanism for improving vibration resistance of a main shaft component, the mechanism comprises a pressing component, the main shaft component and a stand column component, the main shaft component is arranged on the stand column component in a rolling manner through the pressing component, the stand column component drives the main shaft component to roll and lift along the vertical direction of the stand column component, and a corresponding grinding wheel is arranged on the main shaft component and is used for grinding. According to the mechanism, the main shaft part and the stand column part are connected into a whole, the vibration resistance of the main shaft part in the machining process is improved, the movement precision is improved through the wear-resisting strips, the grinding precision is remarkably improved, the uniformity is improved, and the effective service life of a grinding wheel is prolonged.

This utility model provides an anti-impact tread cleaner. A connecting seat is hinged to a piston rod, and a buffer sleeve is installed in the hinge hole. The piston rod has a mounting hole, into which a spring rod is inserted. The spring rod has a spring seat at its front end and is installed in a mounting hole on the rear cylinder head at its rear end. A return spring is sleeved on the spring rod, with its front end abutting against the spring seat on the piston rod and its rear end abutting against a gasket installed in the piston rod mounting hole. Each tooth of the rack has a trapezoidal cross-section, with the angle of the force-bearing surface on both sides being 73° to 77°. The angle of the side of the limiting pin that mates with the force-bearing surface is the same as the angle of the force-bearing surface. An exhaust hole is provided near the connecting seat at the end of the piston rod, and a first filter screen is provided on the exhaust hole. An air inlet is provided on the rear cylinder head, and a second filter screen is installed in the air inlet. This design prevents the rack from deforming upon abnormal impact, allowing the tread cleaner to operate normally. The filter screen can be reused after replacement, and the overall buffer sleeve increases the deflection angle of the connecting seat connected to the grinding wheel.

This utility model discloses a grinding and polishing device for producing security doors, including a base, an mounting plate mounted on the base, a groove on the upper surface of the mounting plate, a fixed plate slidably mounted in the groove, a support assembly mounted on the base, a first motor movably mounted on the upper surface of the fixed plate, a first grinding wheel fixedly mounted on the output shaft of the first motor, a baffle fixedly mounted on the mounting plate, a conveying roller fixedly mounted on the inner wall of the baffle, a protective frame fixedly mounted on the baffle, a fixed bracket fixedly mounted on the inner wall of the protective frame, an electric push rod fixedly mounted on the fixed bracket, a security door grinding assembly movably mounted at one end of the electric push rod, a second motor fixedly mounted on the security door grinding assembly, and a second grinding wheel fixedly mounted on the output shaft of the second motor. This utility model has the advantage that when the second grinding wheel is grinding the two ends of the side wall of the security door, the first electric slide moves downward, which can drive the third grinding wheel on the third motor to grind the top of the security door.

The application discloses a kind of based on mould casting parting surface with intelligent polishing device and its operating method, it is related to mould polishing technical field, including polishing main body, the inner wall of polishing main body is provided with roller conveyor, and the top of roller conveyor is placed with mould, and one end of polishing main body top is fixedly connected with support plate, one side of support plate outer wall is fixedly connected with electric telescopic table, and the output end of electric telescopic table is threadedly connected with support table.The application is provided with a plurality of grooves in the bottom of grinding ring, so that the air below guide block is discharged through the fitting surface of grinding ring and mould under the traction of groove, further solve the problem that the heat generated by traditional mould casting parting surface with intelligent polishing device cannot be quickly dispersed during use, resulting in surface mould expansion due to heat, inner layer mould constraint expansion, thereby generating tensile stress, and heat fatigue crack can be caused by reciprocating, thereby exacerbating mould deformation.

The high-precision automatic machining and grinding equipment for the special-shaped shaft of the automobile transmission system comprises a rack, a rigid reference center, a floating center and two radial amplitude limiting mechanisms are arranged at the lower end of the rack, and annular shells are arranged at the tops of the two radial amplitude limiting mechanisms correspondingly; a plurality of rolling columns capable of achieving trace radial receding are rotationally connected to the inner periphery of the annular shell, a profiling grinding mechanism is arranged at the upper end of the rack, and the profiling grinding mechanism comprises a support connected into the rack in a left-right moving mode, a mounting frame connected to the support in an up-down moving mode, a contact wheel arranged at the upper end of the mounting frame and a grinding wheel arranged at the lower end of the mounting frame. The multi-section special-shaped section machining device can adapt to continuous or discontinuous multi-section special-shaped section machining on a shaft body, and is high in machining efficiency and machining precision.