11201 results about "Grinding wheel" patented technology

The invention relates to the technical field of grinding machining, and particularly discloses a crankshaft connecting rod grinding force dynamic error compensation method and system.The method comprises the steps that a prediction reference signal is collected; a grinding force signal of the grinding wheel spindle is collected based on a piezoelectric sensor; extracting spectrum characteristic parameters according to the predicted reference signal; predicting grinding force fluctuation information according to the spectrum characteristic parameters; a feedforward compensation instruction is generated according to the grinding force fluctuation information; generating a feedback compensation instruction according to the difference between the grinding force signal and the target grinding force of the current task; synthesizing the feedforward compensation instruction and the feedback compensation instruction to generate a compensation control instruction; according to the method, a control strategy combining feedforward and feedback is adopted, the response speed and compensation precision of a system to dynamic changes of grinding force are remarkably improved, accordingly, elastic deformation caused by fluctuation of the grinding force is effectively restrained, and finally the grinding machining precision and surface quality of key parts of the crankshaft connecting rod are improved.

The present invention discloses a glass substrate grinding device, which relates to the technical field of glass substrate processing, and comprises a grinding shell and an upper water knife, wherein a through groove suitable for allowing a single side of a glass substrate to pass continuously is formed on the grinding shell along a first horizontal direction; a grinding wheel is arranged inside the grinding shell; a negative pressure interface is arranged on one side of the grinding shell, and the negative pressure interface is used to connect an external device and make the interior of the grinding shell in a negative pressure state; an upper air knife is arranged on the grinding shell, and a first air outlet is arranged on the side of the upper air knife facing inward along a second horizontal direction, and the first air outlet is used to blow air to the single-sided upper surface of the glass substrate; a lower air knife is arranged on the grinding shell, and a second air outlet is arranged on the side of the lower air knife facing inward along the second horizontal direction, and the second air outlet is used to blow air to the single-sided lower surface of the glass substrate; the lower air knife and the upper air knife are arranged symmetrically at the two ends of the through groove in a vertical direction; and the upper water knife is used to spray water to the upper surface of the grinding area of ​​the glass substrate. The present invention can effectively block the grinding water inside the grinding shell.

The invention relates to the technical field of grinding machining, and discloses a blade grinding wheel abrasion loss online compensation method which comprises the steps that a dynamic hexagonal detection grid is constructed based on the rotating phase of a grinding wheel, non-repeated high-density sampling is achieved through a Fibonacci spiral expansion path, a detection area is dynamically adjusted to reduce the overlapping rate, and the blade grinding wheel abrasion loss is obtained. Micron-sized wear transition is accurately captured; dispersing the abrasion loss into minimum compensation units, constructing a dynamic state equation in combination with grinding force, dressing displacement and workpiece errors, introducing an attenuation coefficient related to the service life of a dressing wheel, and automatically correcting a model drift error; a grading triggering strategy of residual uncompensated quantity is adopted, dynamic decision making of a processing period is combined, and through integral multiple compensation and a margin temporary storage mechanism, it is ensured that long-term accumulative errors are restrained at the submicron level while overmodulation oscillation is avoided. Through the synergistic effect of space-time coupling detection, discrete-continuous double-domain modeling and intelligent compensation decision, the grinding wheel abrasion compensation precision and the system stability are remarkably improved.

A production processing device for a regenerated neodymium-iron-boron magnet, specifically relating to the technical field of magnet grinding. The device comprises two device supports (1), two rotating shafts (11) being provided between the two device supports (1); the outer surfaces of the two rotating shafts (11) are both provided with chain wheels (12), a transmission chain (13) being connected between the two chain wheels (12); a plurality of clamping mechanisms (2) arranged in an array are provided outside the transmission chain (13); the right sides of two ends, i.e. the upper and lower ends, of the device support (1) located behind are both provided with control mechanisms (3) adaptive to the clamping mechanisms, the upper end of the control mechanism (3) located above being provided with a feeding device (4); the middle portions of the upper ends of the two device supports (1) are both provided with first supporting blocks (16), grinding wheels (17) being provided at the ends of the two first supporting blocks close to each other. Using the design in which the clamping mechanisms and the control mechanisms fit each other improves the applicability in use of the production processing device for a regenerated neodymium-iron-boron magnet, and using the design in which the control mechanisms and the feeding device fit each other improves the convenience in use of said device.

The invention discloses a grinding force online detection control device and method, and relates to the technical field of precision grinding machining force measurement, a spring chuck is arranged in a containing cavity, and the outer wall of a detection shaft section is a tapered conical surface; the threaded gland is connected with the connecting shaft section to axially limit the spring chuck, the mounting handle is provided with a first conical cavity, the threaded gland is provided with an avoiding hole, the piezoelectric sensors are mounted on the detection shaft section, the grinding wheel spindle acts on the piezoelectric sensors through the detection shaft section, and the piezoelectric sensors are used for detecting tangential force, normal force and axial force. The signal amplification processing module can convert charge signals output by the piezoelectric sensor into digital signals and output the digital signals to the terminal, and the terminal can control logic to control the grinding head to maintain constant-force grinding according to a preset grinding force target value. According to the method, all-directional real-time detection and control over the grinding force are achieved, the accuracy and the real-time performance are improved, and a new control method is provided for low-damage machining of hard and brittle materials.

The invention discloses a metal grinding machine tool grinding wheel wear compensation type intelligent control system, and relates to the technical field of mechanical manufacturing automation, and the system comprises a contact type reference detection module which is used for obtaining the initial contour and reference wear loss of a grinding wheel through discrete point measurement in a non-machining state; the multi-parameter non-contact real-time detection module is used for collecting acoustic emission, vibration and spindle current signals in the grinding process through three types of sensors; the grinding environment sensing module collects the temperature of a grinding area and the cutting fluid concentration; the intelligent control unit receives reference data and an environment signal, performs deep learning on a wear loss prediction model after multi-source data fusion, performs periodic reference calibration, analyzes the dynamic wear loss, and synchronously transmits the data to the data storage and tracing module; the executing mechanism adjusts grinding wheel feed amount compensation according to the dynamic abrasion loss; and the data storage and tracing module stores full-process data in real time. According to the system, high-precision and real-time wear compensation is achieved, the machining precision and consistency are improved, and high-end manufacturing requirements are met.

The invention discloses a numerical control grinding machine intelligent control method and device combined with real-time feedback, and relates to the technical field of grinding machine control. The method comprises the steps that historical machining records of a plurality of numerical control grinding machines in a target factory are collected and divided, a plurality of grinding machine domains of the same kind are determined, machining deviation analysis is conducted, and a plurality of static compensation coefficient sets are obtained; primary compensation is conducted on the initial machining parameters, and the multiple numerical control grinding machines are controlled to conduct grinding machining; performing fixed-point compensation on the primary compensation parameter set to obtain a secondary compensation parameter set; and the multiple numerical control grinding machines are controlled to conduct grinding till the equipment stops continuous operation or grinding wheel accessories are replaced. The technical problem that in the prior art, in the same workshop, due to the fact that the equipment states are inconsistent, and the machining consistency of batch products is poor along with the change of the machining time and the grinding wheel state is solved, and the technical effects that the machining process of the numerical control grinding machine is accurately controlled in an omnibearing mode, and the machining consistency of the batch products is poor are achieved.

The invention relates to the technical field of grinding regulation and control, in particular to a tool alignment control and grinding machining method suitable for an air compressor shell. According to the method, an initial grinding point of a grinding tool is determined for grinding according to the local distribution condition of the height and thickness of the surface of the shell; according to the grinding temperature and the grinding depth of the grinding wheel and the time sequence change degree in the grinding process, the grinding strength value of the surface of the machine shell is analyzed, and a grinding change trend index is obtained; according to the height and thickness deviation change and the vibration amplitude of the contact area in the grinding process, in combination with a grinding change trend index, parameter adjustment factors of grinding parameters are determined, and the combination of the rotating speed and the feeding speed of a grinding wheel is adjusted in real time for grinding. According to the method, the real-time parameter adjustment factors in the grinding process are determined by combining the grinding real-time strength change with the shell surface quality, correlation adjustment is carried out on the grinding parameters, and the surface adaptability and the grinding effect in the grinding process are improved.

The invention discloses an intelligent lamp pole welding device and method based on wind-solar hybrid street lamp production, and relates to the technical field of welding devices. By arranging the welding slag grinding and removing mechanism, the position of the lamp pole can be limited from multiple angles, it is guaranteed that the position of the lamp pole cannot shake, meanwhile, the position of a grinding wheel is limited, it is guaranteed that a flat and smooth plane can be formed in a grinding area, welding slag and burrs can be ground immediately after a welding seam is welded, and the welding quality is improved. Secondary cleaning of a welding seam is not needed; when the partition plate units in the multiple positions are subjected to acting force of the outer wall of the lamp pole, the partition plate units can adaptively ascend and descend according to the acting force of the opposite partition plate units in different positions of the arc-shaped face of the lamp pole, so that the bottom ends of the partition plate units jointly form an outline matched with the arc-shaped face of the lamp pole. Therefore, a relatively closed space can be formed in the polishing area of the lamp post, polishing dust is isolated in the closed space, and the situation of dust splashing is further avoided.

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 invention discloses automatic welding equipment for a circular seam of an oil cylinder of a hydraulic turnover mechanism, and relates to the technical field of welding. Through joint cooperation of the burr removing assembly and the multiple profiling lifting assemblies, simulation profiling can be conducted on the outline of the oil cylinder barrel section before the oil cylinder barrel section is supported, so that the top of the burr removing assembly and the top of part of the profiling lifting assemblies jointly form the outline shape matched with the oil cylinder barrel section; according to the lifting device, the lifting assembly can annularly wrap a part of the area below the oil cylinder barrel section, a stable lifting and supporting effect is achieved, when the lifting assembly supports the bottom of the oil cylinder barrel section, the lifting assembly can be matched with the multiple profiling lifting assemblies on the two sides to jointly form simulated supporting on the oil cylinder barrel section, and the lifting effect is greatly improved while the oil cylinder barrel section is lifted and supported. And the welded circular seam position can be polished by using the grinding wheel rotating at a high speed, metal burrs and welding slag generated by welding are removed, tip stress concentration is avoided, and the connection strength of the welding seam position is ensured.

The invention relates to the technical field of pipe welding, and discloses special welding equipment for an inner pipe connection type heat insulation oil casing, which comprises a welding table, a pipeline clamping mechanism is arranged at the top of the welding table, and the pipeline clamping mechanism comprises two rotating rings. During oil pipe machining, two oil pipes penetrate through the fixing rings to be connected, the electric telescopic rods drive the V-shaped clamping plates to clamp the oil pipes, and the driving motors enable the supporting rollers to support the oil pipes through the gears and the lead screws. The adjusting motor is matched with a related structure, so that the grinding wheel and the arc-shaped grinding piece are attached to oil pipes with different diameters. The grinding motor and the rotating motor work cooperatively to comprehensively grind the oil pipe, during welding, the oil pipe rotates at a constant speed to achieve uniform welding, and after welding, the grinding wheel and the arc-shaped grinding piece clean weld joints. In addition, in the polishing process of the equipment, a cleaning brush is driven to clean a polishing part through transmission of a gear and a chain, the polishing and welding quality is guaranteed, and the machining efficiency is improved.

The invention relates to the technical field of sleeve grinding, and discloses cast steel sleeve precise grinding equipment which comprises a grinding wheel grinding mechanism, a chuck is installed below the grinding wheel grinding mechanism, a plurality of clamping jaws are installed in the chuck, and the tops of the clamping jaws do not exceed the upper surface of the chuck. An outer clamping jaw away from the circle center of the chuck and an inner supporting jaw close to the circle center of the chuck are installed on the surfaces of the clamping jaws correspondingly, a transmission range extending piece capable of enabling the outer clamping jaw and the inner supporting jaw to do range extending motion is installed on the surface of each clamping jaw, and rack limiting pieces used for limiting the outer clamping jaw and the inner supporting jaw to do one-way range extending motion are installed on the inner wall of the chuck. Through the design of the outer clamping jaw and the inner supporting jaw, compatibility of outer wall polishing and inner wall polishing in the same working procedure is achieved, compared with a traditional single inner supporting or outer clamping mode, the problem of polishing blind areas caused by clamp occupying is avoided, it is ensured that the inner wall and the outer wall of the cast steel sleeve can be completely machined at a time, two-time clamping is not needed, and the machining efficiency is improved. And the processing efficiency and the integrity are obviously improved.

The invention discloses a polishing device for bearing ring machining, and relates to the technical field of bearing machining, the polishing device comprises a supporting rack, the supporting rack comprises a base, supporting columns and a circular table plate, and the upper side edge of the base is connected with the lower side edge of the circular table plate through a plurality of supporting columns arranged in an annular array; the planetary moving mechanism comprises a vertical cylinder, a planetary rotating cylinder and a planetary power assembly, an inner gear ring is arranged above the circular table plate, and the left side and the right side of the inner gear ring are connected with the left side and the right side of the circular table plate through two supporting bent frames correspondingly; according to the grinding device for bearing ring machining, the grinding efficiency of an annular groove of a bearing outer ring is high, the grinding accuracy of the annular groove of the bearing outer ring is high, air can be continuously blown towards a grinding wheel in the grinding process, cooling of the grinding wheel is facilitated, and chippings attached to the grinding wheel can be blown away in time.

A grinding device for manufacturing a valve, comprising a machine box. Grinding wheels used for grinding are arranged above the machine box. The grinding wheels are installed on transmission shafts and the transmission shafts are transmittingly connected to a driving motor which provides power for rotation of the grinding wheels. A grinding positioning assembly is arranged on one side of each of the grinding wheels, and the grinding positioning assemblies can support a plurality of blank bars to be ground at the same time. Each grinding positioning assembly comprises a first bottom plate, a first curved plate is provided at the end of the first bottom plate proximate to the corresponding grinding wheel, a discharge slot is formed on the first curved plate, an inclined first fixed plate is connected to the upper end of the first curved plate, fixed blocking plates are arranged on the two sides of the first bottom plate, respectively, and a first supporting shaft and a second supporting shaft are arranged between the two fixed blocking plates. According to the present invention, a plurality of blank bars can be ground at the same time, the grinding efficiency is high, and operators are prevented from being hurt in a grinding process.

The invention relates to the technical field of lithium iron phosphate grinding, in particular to a grinding device for lithium iron phosphate production and a grinding method.The device comprises a tank body, a driving assembly and a first grinding assembly, a tank cover is installed at the top of the tank body, the driving assembly comprises a driving motor installed at the top of the tank cover, and a rotating shaft is fixedly arranged on an output shaft of the driving motor; the rotating shaft vertically extends into the tank body, the first grinding assembly is installed on the rotating shaft and comprises a first grinding seat, the first grinding seat is rotationally connected to the rotating shaft in a sleeving mode, the peripheral wall of the first grinding seat is fixedly arranged on the inner wall of the tank body, a conical groove is formed in the top face of the first grinding seat, and the rotating shaft is fixedly sleeved with a conical block; and a scraper is fixedly arranged on the peripheral wall of the conical block through a connecting block. According to the invention, the control capability on the granularity of the lithium iron phosphate material is improved, the uniform distribution of the granularity of the material is ensured, the problem of excessive grinding or insufficient grinding is avoided, the risk of material caking caused by the grinding wheel in the grinding process is reduced, and the grinding efficiency is improved.

The utility model discloses a coffee machine grinding fine adjusting structure which comprises a grinding cylinder and a grinding assembly located in a grinding cavity of the grinding cylinder, the grinding assembly comprises a movable grinding wheel, a static grinding wheel and a transmission shaft, the transmission shaft is arranged in a base in the center of the grinding cavity, and the input end of the transmission shaft is connected with a driving device of a coffee machine. The movable grinding wheel is arranged at the output end of the transmission shaft, a transmission plate is arranged at the bottom of the movable grinding wheel, a pin column inserted into a pin hole in the bottom surface of the movable grinding wheel is arranged on the inner surface of the transmission plate, the transmission shaft is driven by the driving device to drive the transmission plate to enable the movable grinding wheel to rotate relative to the static grinding wheel, and grinding of coffee powder is achieved. The thread assembly is arranged on the shaft head of the output end of the transmission shaft where the movable grinding wheel is installed, the axial position of the movable grinding wheel on the transmission shaft can be changed by adjusting the thread assembly, bidirectional adjustment of the movable grinding wheel and the static grinding wheel is achieved, the adjusting range of a gap is enlarged, fine adjustment can be completed under the requirement for large thickness, and the grinding wheel can be adjusted conveniently. And the grinding effect and the use experience are improved.

The invention discloses a follow-up type superhard grinding wheel outer circle reciprocating grinding force measuring device and method, relates to the technical field of grinding machining, and solves the problem that grinding force follow-up measurement in a reciprocating grinding mode cannot be achieved in grinding force measurement in the prior art. The device comprises a driving tool, wherein the driving tool is used for clamping one end of a workpiece and driving the workpiece to rotate; a Z-axis moving assembly is fixedly arranged on the driving tool, a moving supporting table is arranged at the moving end of the Z-axis moving assembly, and the Z-axis moving assembly can drive the moving supporting table to move in the axial direction of the workpiece. A tangential telescopic measuring mechanism and a normal telescopic measuring mechanism which are perpendicular to each other are arranged on the movable supporting table, and the tangential telescopic measuring mechanism and the normal telescopic measuring mechanism can be in contact with the outer wall of the workpiece on the same normal plane perpendicular to the axis of the workpiece to measure force; the driving tool is adjustably provided with a Z-axis force measurement supporting tip, and the Z-axis force measurement supporting tip can be matched with the other end of the workpiece. Grinding force measurement in the reciprocating grinding machining process is achieved, and the grinding process can be monitored timely and accurately.

The invention discloses a large-size grinding wheel concentricity error measurement method and system based on machine vision, and relates to the technical field of grinding wheel concentricity error measurement, and the method comprises the steps: calibrating an industrial CCD camera through PyCharm software, collecting a part of images of a grinding wheel, and carrying out the RGB three-channel extraction, gray conversion, filtering and binary segmentation processing of the collected images; secondly, a Canny edge operator is adopted to carry out coarse positioning on the edge of the image, and then a novel edge judgment criterion is established to construct an edge detection model with sub-pixel-level precision; and finally, carrying out feature fusion on sub-pixel contours of RGB channels, clustering extracted discrete point sets by using an improved DBSCAN algorithm, and then carrying out ring fitting by using improved RANSAC to realize accurate measurement of the inner and outer diameters and concentricity of the grinding wheel.

The invention discloses a PPG glass single-face machining and grinding device and technology, and relates to the field of lens grinding, the PPG glass single-face machining and grinding device comprises a base, the base is provided with a plurality of containing plates used for containing PPG glass, the base is provided with a mounting plate in a lifting mode, and the mounting plate is rotationally provided with a plurality of rotating discs; a rotating sleeve is rotatably arranged on the lower side of the rotating disc, the rotating axis of the rotating sleeve and the rotating axis of the rotating disc are staggered, a linkage rod is arranged in the rotating sleeve in a lifting mode, the linkage rod and the rotating sleeve coaxially rotate, and a grinding wheel is fixedly connected to the lower end of the linkage rod. The PPG glass processing device is beneficial for improving the PPG glass processing efficiency.

The invention relates to the technical field of automatic control, in particular to a numerical control grinding machine debugging control system based on intelligent industry, which comprises a wear area division module, a grinding wheel regulation and control module, a basic compensation value analysis module, a thermal error compensation module and a management database, according to the system, the abrasion area of the surface of the grinding wheel at each time point is obtained through threshold segmentation of the surface image of the grinding wheel at each time point, and the parameters of the grinding wheel are regulated and controlled based on the deviation value between the actual power and the target power of the grinding wheel at each time point; the instantaneous position error change rate of machine tool motion is calculated by collecting instruction positions and actual positions of machine tool motion at all sampling moments, so that a basic compensation value is obtained through analysis, a thermal compensation value is obtained through prediction of a temperature-thermal error mapping relation, a compensation value is obtained by combining the basic compensation value, and the compensation value is superposed to the instruction positions. And the self-adaptive optimization of the whole polishing process is realized.

The invention discloses a cast pipe inner wall grinding device and system and relates to the technical field of grinding equipment, the cast pipe inner wall grinding system comprises a rack, a rotary supporting device and a cast pipe inner wall grinding device, and the cast pipe inner wall grinding device comprises a grinding feeding mechanism, an anti-swing mechanism and a grinding mechanism; the grinding feeding mechanism comprises a first linear driving device, a first rotating power source, an outer fixing sleeve and an inner rotating shaft, the anti-swing mechanism comprises an outer rotating sleeve, a positioning wheel assembly and a distance adjusting mechanism, and the grinding mechanism comprises a second linear driving device and a grinding wheel body. The outer fixing sleeve is radially supported through the positioning wheel assembly, radial swing of the grinding wheel shaft is restrained, and the grinding stability can be improved; the distance adjusting mechanism can dynamically adjust the distance between the positioning wheel assemblies to adapt to cast pipes with different calibers; and the second linear driving device drives the grinding wheel to move in the radial direction, constant-pressure grinding is achieved in cooperation with the pressure detection device, the grinding rhythm is dynamically adjusted, the grinding effect can be improved, and the grinding consistency is improved.

The utility model relates to the technical field of crankshaft machining, and discloses a crankshaft burr grinding machine which comprises a machine frame, chucks are rotationally connected to the two sides of the machine frame respectively, a first motor is fixedly connected to the outer portion of one side of the machine frame, and rockers are rotationally connected to the tops of the chucks on the two sides respectively. Clamping blocks are slidably connected to the close sides of the chucks on the two sides, chucks are fixedly connected to the close sides of the clamping blocks on the two sides, a crankshaft is arranged between the chucks on the two sides, the clamping blocks are in threaded connection with the rocker, a detection assembly is arranged at the top of the rack, and a grinding wheel is arranged in the middle of the rack. According to the crankshaft grinding device, the clamping block can move in the chuck by rotating the rocker, then the position of the chuck is adjusted, the connecting rod journal can rotate with the central axis of the first motor as the rotating shaft, and therefore the situation that due to the fact that manual grinding errors are large, the crankshaft is excessively abraded, and the precision of the crankshaft is affected can be avoided.

The invention relates to the technical field of grinding machines, in particular to a coreless grinding machine for machining a small cylinder sleeve, which comprises a grinding machine base, a grinding wheel and a guide wheel, the grinding wheel and the guide wheel are both arranged on the grinding machine base, a workpiece supporting plate is arranged between the grinding wheel and the guide wheel, and a return lifting shaft is arranged above the workpiece supporting plate between the grinding wheel and the guide wheel. The return lifting shaft is parallel to the axis of the grinding wheel, and a mounting hidden groove is formed in the return lifting shaft; after the air cylinder sleeve moves to the position of the cylinder sleeve position sensor through grinding machining, the return lifting shaft is used for controlling the air cylinder sleeve to be lifted, the air cylinder sleeve automatically slides and returns to the side where a worker is located, and occupation of the worker for receiving the machined air cylinder sleeve on the other side is reduced.

The utility model discloses an outer adjusting ring structure of a bean grinding device of a coffee machine, which comprises a grinding cylinder and a grinding component, the grinding component is positioned in a grinding cavity of the grinding cylinder and comprises a movable grinding wheel and a static grinding wheel, the movable grinding wheel is arranged on a transmission shaft, the transmission shaft is connected with a driving device of the coffee machine, and the static grinding wheel is arranged on a static grinding wheel seat. The static grinding wheel is sleeved with an adjusting ring in a threaded mode, the static grinding wheel base is arranged at the bottom of the grinding cavity, an outer adjusting ring is arranged at an opening in the bottom of the grinding cavity, a linkage assembly is arranged between the outer adjusting ring and the adjusting ring, the outer adjusting ring is rotated to drive the adjusting ring to rotate to promote the static grinding wheel to move in the axial direction, and the gap between the movable grinding wheel and the static grinding wheel is changed. The outer adjusting ring is arranged at the bottom opening of the grinding cavity, the linkage assembly is further arranged between the outer adjusting ring and the adjusting ring, the outer adjusting ring is rotated to stably drive the adjusting ring to change the gap between the movable grinding wheel and the static grinding wheel, and after the sealing plate at the bottom opening of the grinding cavity is detached, the outer adjusting ring can be conveniently detached to be cleaned and maintained.

The utility model provides laser cutting equipment which comprises two symmetrically-arranged supports, first supporting plates and second supporting plates, the two first supporting plates are installed on the opposite sides of the supports, the two second supporting plates are installed on the tops of the supports, and the opposite sides of the two first supporting plates are provided with grinding assemblies. A laser cutting assembly is arranged on the top of the second supporting plate, and a clamping assembly used for clamping the plate is further arranged on one side of the second supporting plate. The first sliding plate is in sliding fit with the opposite sides of the two first supporting plates through electric sliding rails, the first sliding block is in sliding fit with the first sliding plate through the electric sliding rails, a first hydraulic rod is fixedly installed at the bottom of the first sliding block, and the telescopic end of the first hydraulic rod penetrates through the first sliding block and is fixedly provided with a first motor. By arranging the grinding wheel, slag generated on the back face of a plate can be ground and cleaned, the situation that the back face of the plate is uneven due to the slag is avoided, and therefore the cutting efficiency and quality are improved.

The embodiment of the invention provides a wafer grinding detection method, a wafer grinding processing method, a wafer grinding processing device and wafer grinding equipment. The wafer grinding detection method comprises the following steps: a determination step: determining whether a grinding wheel of wafer grinding equipment is in contact with a workbench or not; an obtaining step: after determining that the grinding wheel is in contact with the workbench, obtaining the position of a main shaft and the height of the workbench of the wafer grinding equipment in real time; and an abnormity step: determining whether abnormity occurs during grinding of the workbench according to the position of the spindle and the height of the workbench. According to the embodiment of the invention, the change of the height of the workbench and the change of the position of the spindle motor are combined to judge whether the grinding process is abnormal or not, the two parameters of the height of the workbench and the position of the spindle motor are monitored at the same time, problems possibly occurring in the grinding process can be recognized more accurately, the possibility of misjudgment is reduced, and the grinding efficiency is improved. And the detection accuracy and reliability are improved. In addition, an operator can be reminded to take measures in time through accurate anomaly detection, and therefore the damage risk of the workbench and the grinding wheel is reduced.

The invention discloses an efficient cooling grinding wheel applied to ultrasonic machining, and relates to the technical field of ultrasonic auxiliary grinding machining tools, the efficient cooling grinding wheel comprises an upper ultrasonic grinding wheel base rod and a lower ultrasonic grinding wheel grinding head, and the ultrasonic grinding wheel base rod and the ultrasonic grinding wheel grinding head are of an integrated structure; the interior of the ultrasonic grinding wheel base rod is hollow and extends to the bottom of the ultrasonic grinding wheel grinding head without penetrating, the interior of the ultrasonic grinding wheel base rod is in threaded connection or interference fit with a sleeve, the interior of the sleeve is hollow and serves as a main cooling liquid flow channel, the diameter of the interior of the sleeve is the main cooling liquid flow channel, and the diameter of the main flow channel can be changed; a plurality of round holes are formed in the grinding wheel grinding head to serve as cooling liquid flow channels of the grinding head, inlets of the cooling liquid flow channels of the grinding head are connected with the tail end of the main cooling liquid flow channel, outlets of the cooling liquid flow channels of the grinding head are located at the machining position in the grinding process, and cooling liquid grooves are machined in the cooling liquid outlets of the grinding head. And inner cavities of the main cooling liquid flow channel and the grinding head cooling liquid flow channel are provided with rifling structures with variable screw pitches and variable number.

The invention provides an ultrasonic vibration auxiliary brazing device for a superhard abrasive formed grinding wheel and an operation method of the ultrasonic vibration auxiliary brazing device, the device comprises a motion control system, an ultrasonic vibration system, a high-frequency induction brazing system and a formed grinding wheel fixing device, and the formed grinding wheel to be brazed is fixed on the fixing device through a spring chuck. The motion control system is composed of a sliding block arranged on the movable guide rail and a motor controlling the sliding block to move and can control the vertical moving speed and direction of the sliding block on the guide rail. The ultrasonic vibration system comprises two ultrasonic vibration amplitude-change poles, a piezoelectric ceramic transducer and an external ultrasonic power supply, each piezoelectric ceramic ultrasonic amplitude-change pole can provide longitudinal vibration, and two-dimensional oval ultrasonic vibration in the brazing process is achieved through synthesis of the longitudinal vibration in the two vertical directions; the motion control system drives the brazing head to move up and down according to the brazing progress, and cooling water circulates in an induction coil of the brazing head. The problems that in the brazing process of the formed grinding tool, brazing filler metal distribution is not uniform, the machining quality is low, the brazing temperature is too concentrated, and the metallurgical reaction is serious in the process are solved.

The invention provides a shoe sole wear resistance detection device, and belongs to the technical field of wear resistance detection, the shoe sole wear resistance detection device comprises an instrument body and a shoe sole sample formed by punching a shoe sole, and further comprises a simulation detection assembly and a dust removal cleaning assembly; under the guidance of the guide ring, the first support arm can periodically move up and down, the process simulates the dynamic change of the pressure borne by the sole in different gait stages when a person walks, and in combination with the rotation of the sole sample, not only is the vertical pressure change simulated, but also the friction force in different directions can be simulated through relative sliding. The stress state of the shoe sole in the walking process is restored, so that the detection is closer to the actual use scene; the dust removal system is driven by the power of the detection device to operate, so that all-directional coverage of the whole abrasion area is realized, the retention time of dust in the detection area is reduced, dust interference can be avoided, the state of a sole sample before and after detection is only influenced by abrasion of a grinding wheel, and the detection result more truly reflects the abrasion resistance of the sole.