2539results about "Abrasive surface conditioning devices" patented technology

The invention belongs to the field of semiconductor materials, and particularly relates to a method for improving film thickness uniformity of a lithium tantalate bonding wafer, which comprises the following steps: thinning the lithium tantalate bonding wafer; and according to the film thickness distribution of the thinned lithium tantalate bonding wafer, pressurizing the polished bonding wafer in different areas step by step, fitting a polishing rate model according to the film thickness measured in real time, and adjusting a pressurizing formula for polishing. Whether the final shutdown thickness is reasonable or not is judged through a polishing rate model, compensation is obtained, and then secondary polishing is conducted. The consistency of supplied materials before polishing is guaranteed through thinning processing, and a foundation is provided for improving the thickness uniformity of a polishing film; the thickness uniformity of the film in the bonding sheet is ensured by pressurizing step by step in different regions; and the polishing rate model ensures the film thickness uniformity between the bonding sheets.

The invention belongs to the field of steel pipe machining, and particularly relates to an intelligent grinding device for steel pipe machining. A bottom plate is arranged on the steel pipe grinding machine. Gauze of the multi-leaf wheel is shifted through the shifting plate, so that the gap between every two adjacent pieces of gauze in the multi-leaf wheel is enlarged, meanwhile, air suction is conducted through the air suction pipe, chippings and sand blown by the gauze of the multi-leaf wheel are sucked away, the gap between every two adjacent pieces of gauze in the multi-leaf wheel is enlarged through the shifting plate, and therefore the dust removal effect is improved. Parts of chippings and sand wind can fall down under the influence of the gravity of the chippings and the sand wind, the cleaning effect of the multi-leaf wheel is improved, the polishing effect of the multi-leaf wheel on a steel pipe is improved, splashing of the chippings and the sand wind around is reduced through shielding of a circular ring, a disc and a housing, the circular ring, the disc and the housing are matched to jointly cover the outer side of the multi-leaf wheel, and the polishing effect of the multi-leaf wheel is improved. And the pressure intensity at the multi-leaf wheel is quickly reduced, so that the cleaning efficiency of the multi-leaf wheel is improved.

A grinding wheel (24), particularly suitable for electro-erosive dressing, has a rotational axis (136) and an abrasive coating (142) with a macroscopic matrix (154). The grinding wheel (24) is rotatable about the rotational axis (136). Abrasive grains (156) are embedded in the macroscopic matrix (154). The macroscopic matrix (154) is conductive. The abrasive grains (156) have a conductive microscopic matrix (164) in which cutting particles (166) are embedded. A grinding machine (10) uses such a grinding wheel (24) suitable for electro-erosive dressing. A method is used for dressing such a grinding wheel (24) by wire electro-erosion.

The invention discloses a honing wheel trimming cutter, and belongs to the technical field of gear cutters, the honing wheel trimming cutter comprises a cutter body and teeth, the cutter body comprises a cutter base and a PCD blade, the teeth comprise supporting teeth and grinding teeth, the supporting teeth are arranged on the cutter base, the grinding teeth are arranged on the PCD blade, a first area is formed between every two adjacent supporting teeth, and a second area is formed between every two adjacent grinding teeth. A second area is formed between every two adjacent grinding teeth, a first notch is formed in the side, close to the second area, of the first area, a second notch is formed in the side, close to the first area, of the second area, and the first notch and the second notch are spliced to form an inner cooling hole; the cutter base and the PCD blade are bonded through a hot adhesive layer, the hot adhesive layer comprises a plurality of adhesive units, and each adhesive unit is located between the adjacent inner cooling holes. The inner cooling holes are formed to discharge cooling liquid, so that the effects of cooling the trimming cutter and removing chippings can be achieved, and the inner cooling holes are spliced, so that curing of the hot adhesive layer can be promoted, and the bonding effect can be improved.

The utility model relates to the technical field of sealing ring machining, and discloses a metal sealing ring machining device with a clamping function, which comprises a working table, an air cylinder is fixedly arranged at the top of the working table and can drive a moving plate to move up and down, and the moving plate is fixedly arranged at the bottom of a piston rod at the output end of the air cylinder and can drive the moving plate to move up and down. According to the metal sealing ring machining device with the clamping function, when a sealing ring needs to be polished, an air cylinder is started to drive the motor to move downwards, the moving plate can drive a connecting rod to push an extrusion rod, the motor is driven to move upwards, and the extrusion rod is driven to move downwards; and meanwhile, a Z-shaped rod can push a rotating rod to enable a rotating disc to rotate, a cylindrical rod can drive a clamping block to move outwards, the inner ring of the sealing ring can be clamped, in this way, the sealing ring can be clamped more tightly, and the situation that polishing is poor, and secondary machining is needed is avoided.

A method comprises planarizing a substrate material with a functionalized chemical planarization pad. The functionalized chemical planarization pad includes a plurality of functional groups bonded to a material of the pad. The functional groups are configured to chemically react with the substrate material such that a portion of substrate material bonds to the functional groups. The pad is regenerated by applying a regeneration solution configured to break bonds between the functional groups and substrate material bonded to the functional groups to form removed material. The removed material is complexed in a dissolved complexing agent to form dissolved material in an effluent phase.

The invention belongs to the technical field of semiconductor device manufacturing and processing, and particularly relates to semiconductor device manufacturing processing equipment which comprises a base and a mechanical arm fixedly arranged at the top of the base, a dust removal mechanism is fixedly arranged at one end of the mechanical arm, and a wafer polishing mechanism is fixedly arranged at the bottom end of the dust removal mechanism. A pneumatic lifting mechanism is fixedly arranged at the top of the base, when a wafer clamped by the wafer clamping mechanism needs to be turned over, the clamping air bag is inflated through the air nozzle, the wafer is clamped through the clamping air bag, then a valve on the air outlet is closed, at the moment, the air pressure in the hollow stand column can be continuously increased, and the wafer can be turned over. The piston assembly in the pneumatic lifting mechanism is pushed by air pressure to be jacked upwards, the ejector rod can be synchronously driven to ascend when the piston assembly is jacked upwards, the wafer clamping mechanism can be jacked up synchronously through the ejector rod, a wafer needing to be polished can be turned over conveniently, and the back face of the wafer can be polished conveniently.

The invention relates to the field of laser detection, and discloses a shaving board processing-based surface flatness detection device which comprises a base, a plurality of conveying rods are arranged at the side part of the base, a wood board is placed on the conveying rods, a detection box is fixedly mounted at the top end of the base, and a laser detector is fixedly mounted in the center of the top of the detection box. The laser detector is used for detecting the flatness of the surface of the wood board, a detection auxiliary device is fixedly installed on the side portion of the base located on the lower portion of the detection box, and a grinding device is arranged on the detection auxiliary device; the two rollers in the detection auxiliary device clamp a wood board, the detection plate is leveled to make contact with the side face of the wood board, a half gear is driven to rotate when the wood board inclines, the half gear is meshed with teeth, the position of a lifting block is adjusted, and even if the edge of the wood board protrudes, the edge of the wood board does not protrude. The lifting block can still be adjusted to enable the board to be in a horizontal position, so that the detection precision of the laser detector is improved, and the influence of board inclination on the detection of the laser detector is reduced.

The invention discloses a hydraulic cylinder body inner cavity polishing device which comprises a rack and further comprises a coating assembly used for coating a polishing wheel with polishing liquid; the polishing assembly is used for controlling a polishing wheel to polish; the coating assembly comprises a shaft A, a shaft B, brush cylinders, a belt A, a guide rod A and a belt B, the shaft A and the shaft B are rotationally connected with the rack, the two brush cylinders are fixedly connected to the shaft A and the shaft B respectively, the shaft B is in transmission connection with the belt A, the other end of the belt A is in transmission connection with the guide rod A, the guide rod A is in transmission connection with the belt B, and the guide rod B is in transmission connection with the belt B; the other end of the belt B is in transmission connection with the guide rod B; according to the polishing device, the cylinder body can be quickly polished.

A polishing pad and a chemical mechanical polishing apparatus are provided. The polishing pad includes: a central portion, designed with a central recess; and a peripheral portion surrounding the central portion, and designed with at least one peripheral recess. The at least one peripheral recess is disposed along an annulus contour. A lower part of the peripheral recess is greater than an upper part of the peripheral recess in terms of diameter area, and is different from the upper part in shape.

The invention discloses a multi-station automatic grinding system. The multi-station automatic grinding system comprises a workbench, a conveying belt set, automatic grinding stations and a plurality of carrying discs. The automatic grinding station comprises a conveying and distributing device, a rough grinding device, a multi-station grinding device and a carrying device; the multi-station grinding device comprises four grinding devices; each grinding device is provided with a cleaning mechanism; the carrying device comprises three carrying mechanisms. Each carrying mechanism is provided with two pushing mechanisms arranged in an array mode and two displacement mechanisms. The carrying disc is provided with an automatic adjusting structure. The invention further discloses a grinding machining method. Full-automatic processing of carrying, distributing, cleaning, grinding and discharging of the carrying disc of the optical fiber head material and recycling of the product and the carrying disc is achieved; the multi-station grinding device composed of a plurality of grinding devices is used for carrying out multiple times of fine grinding processing and standby processing on the optical fiber head, so that the processing efficiency is ensured.

Provided is a novel dresser that can impart higher flatness to a polishing pad. A dresser for a polishing pad surface, the dresser including: a dressing surface having a circular shape with a diameter DCD and facing the pad surface, and pellets arranged on the dressing surface, in which the pellets are arranged in circumferential regions with a diameter PCDn, in which the circumferential regions share a center of the dressing surface; and an area ratio of the pellets arranged in each circumferential region is any one of predetermined Type 1, Type 2, and Type 3.

The invention discloses a device based on contour in-situ measurement fitting and an adaptive efficient grinding method, and belongs to the technical field of part machining. The device comprises a grinding wheel contour measuring system used for measuring and fitting the outer contour of a grinding wheel and an angle precision positioning system used for measuring the contour, the size and the profile position of a part. Firstly, a part is installed, in-situ measurement and fitting of the surface profile of the part are carried out, and the included angle between the axis and the machine tool spindle axis is calculated; secondly, a grinding wheel is installed, and dynamic balance is adjusted; then, carrying out in-situ measurement and fitting to obtain the contour of the working surface of the grinding wheel, and carrying out minimum removal amount shaping on the grinding wheel; and finally, after adaptive grinding is carried out, the surface profile of the machined part is measured in situ again, and whether the requirement is met or not is detected. By measuring the original outlines of the adaptive part and the grinding wheel in situ, the problems of large-volume removal of the part and long dressing time of the grinding wheel in the grinding process are solved.

A substrate is reliably suctioned regardless of a flatness of a surface to be suctioned of the substrate. A substrate suction member 330 includes a porous member 334 including a substrate suction surface 334a for suctioning a substrate WF and a pressure reducer 334b communicating with pressure reducing means, a shielding member 332 including a first shielding member 332-1 configured to shield a surface 334c in an opposite side of the substrate suction surface 334a of the porous member 334 and a frame-shaped second shielding member 332-2 configured to shield at least a part of a side surface 334d of the porous member 334, and a frame-shaped elastic seal member 336 attached to the second shielding member 332-2 so as to surround the porous member 334 and provided with a contact surface 336a in contact with the substrate WF.

The utility model discloses an internal washing structure of a grinding disc, which belongs to the technical field of grinding disc cleaning and comprises a water tank for storing water, a cleaning bin arranged on the water tank and used for preventing clean water from splashing out, and the grinding disc positioned in the cleaning bin, a supporting structure used for supporting the grinding disc is arranged on the inner wall of the cleaning bin. When the grinding disc cleaning device is used, a grinding disc is placed on the supporting rollers in the cleaning bin, then the electric pump and the motor are started, and water in the water tank can be pumped out under the action of the electric pump and sprayed on the two sides of the grinding disc through the two spray heads respectively, so that double-face cleaning of the grinding disc is achieved, and chippings and impurities in gaps of the grinding disc are washed away; and under the action of the motor, the grinding disc can rotate to change the cleaning position, and meanwhile, the spray heads on the two sides can move in a reciprocating mode and drive the connecting plate to clean the grinding disc, so that the grinding disc can be cleaned more comprehensively, and the cleaning effect on the grinding disc is improved.

The utility model discloses a waste scrap collecting device of an abrasive belt type polishing machine, which belongs to the technical field of polishing and comprises a protection box, a supporting table is fixedly connected with an inner cavity of the protection box, a first motor is fixedly mounted at the top of the supporting table, a transmission assembly is arranged on the first motor, an abrasive belt is arranged on the transmission assembly, and the abrasive belt is fixedly connected with the inner cavity of the protection box. An inner cavity of the protection box is fixedly connected with a connecting plate, and the two sides of the connecting plate are fixedly connected to the bottom face and the inner wall of the inner cavity of the protection box correspondingly. According to the abrasive belt polishing device, when the abrasive belt is used for polishing materials, the second motor is used for driving the roller brush to rotate, and the roller brush is used for brushing the surface of the abrasive belt, so that sweeps adsorbed to the surface of the abrasive belt are cleaned, the function of cleaning the sweeps attached to the surface of the abrasive belt is achieved, and the effect that the abrasive belt polishes the materials is guaranteed; and the practicability of the device is improved.

The present invention belongs to the technical field of abrasive tool processing, and specifically relates to a diamond wheel dressing device for a grinding machine, comprising a mounting seat, a swinging seat and a sliding seat, wherein an arc guide rail is provided on the sliding seat along the sliding direction of the mounting seat, and an arc rack with the same arc track as the arc guide rail is also provided on the sliding seat; a turntable assembly capable of meshing with the arc rack is provided on the swinging seat, a fixed sleeve is provided on the swinging seat, a rotating sleeve is built in the fixed sleeve, a dressing head is provided on the rotating sleeve, a driving groove is provided on the outer wall of the rotating sleeve, a slip ring is elastically slidably provided on the fixed sleeve, a connecting rod is hinged between the slip ring and the turntable, a lever matched with the driving groove is fixed on the slip ring, and is used to drive the dressing head to rotate or lock the dressing head; a locking device for locking or unlocking the turntable is provided on the sliding seat. The present invention can dress the arc surface of the grinding wheel and the chamfered surface of the outer edge of the grinding wheel, and at the same time can prevent a certain part of the dressing head that contacts the grinding wheel from being continuously worn.

The invention relates to the technical field of aluminum profile production and polishing, and discloses a surface corner polishing device for aluminum profile production, which comprises two mounting frames symmetrically arranged front and back; the conveying mechanism is mounted on the two mounting rack brackets; the bottom surface of the mounting plate is fixedly mounted on the top surfaces of the two mounting frames; the polishing assembly is connected with the mounting plate; the rotating assembly is arranged between the conveying mechanism and the polishing assembly; the auxiliary assembly is connected with the polishing assembly; and the wiping assembly is mounted on the inner surface of the mounting plate. Through precise matching of a ball block and an arc-shaped groove in the top of a circular plate and ingenious arrangement of a second spring, vertical reciprocating motion of a grinding column can be achieved while the grinding column rotates, the vertical reciprocating motion is combined with rotary grinding, all-directional vertical grinding of the aluminum profile is achieved, and the grinding efficiency of the aluminum profile is improved. And the polishing strength and effect are remarkably enhanced, and the efficiency and quality of polishing operation are further improved.

The invention relates to the field of grinding, and provides an aluminum alloy die casting grinding method and equipment which comprises a base, two first mounting frames are fixedly connected to the top wall of the base, a second mounting frame is fixedly connected to the two first mounting frames, and a first electric push rod is fixedly connected to the second mounting frame; an electromagnet and two transmission pieces are fixedly connected to a movable part of the first electric push rod, a driving roller set is connected to the first electric push rod, two tooth grooves are formed in the inner wall of the first electric push rod, limiting tooth sets are fixedly connected to the inner walls of the tooth grooves, two supporting assemblies are connected to the base, and each supporting assembly comprises a supporting roller set, a linkage rod and an L-shaped plate; one end of the linkage rod is rotationally connected with the supporting roller set, the other end of the linkage rod is rotationally connected with the L-shaped plate, an internal grinding roller assembly is connected to the base, and an external grinding assembly is connected to one of the first mounting frames. According to the embodiment, only one first electric push rod is arranged for driving, and the effects of adjusting the distance between the two supporting roller sets and pressing a workpiece through the driving roller set can be achieved.

The invention relates to the technical field of ship rust removal, and discloses a ship rust removal device which comprises a supporting rod, a mounting shell fixedly mounted on the supporting rod and two bowl-shaped steel wire brushes arranged on one side of the mounting shell, a rotating rod is fixedly mounted between the two bowl-shaped steel wire brushes, and the rotating rod is fixedly connected with the mounting shell. The bowl-shaped steel wire brushes are installed at the two ends of the rotating rod correspondingly, the two bowl-shaped steel wire brushes can be switched at any time, the bowl-shaped steel wire brushes switched into the installation shell can be washed through the washing assembly, rust powder and paint chippings attached to the interiors of the bowl-shaped steel wire brushes can be removed, then the rust powder and the paint chippings flow away through the flow guide pipe, and the rust powder and the paint chippings are collected and treated subsequently; and the cleaned bowl-shaped steel wire brush is in a wet state, dust is more easily adhered to the outer surface of the bowl-shaped steel wire brush in the polishing process, raised dust can be reduced, and the situation that a large amount of rust dust is adhered to the polished position of the ship body, and the judgment of workers on the rust removal condition of the surface of the ship body is affected is reduced.

The invention relates to a grinding wheel dressing method and device, computer equipment, a computer readable storage medium and a computer program product. The method is applied to the grinding machine, the grinding machine comprises a grinding wheel and a dressing wheel, the side face of the dressing wheel is perpendicular to the end face of the grinding wheel, and the method comprises the steps that dressing parameters of the grinding wheel are obtained based on the interval time, and the dressing parameters comprise the dressing feed amount; according to the dressing feed amount, the dressing grinding wheel is controlled to dressed the grinding wheel, and the dressed grinding wheel is obtained; the first thinning amount of the first mark position of the dressed grinding wheel and the second thinning amount of the second mark position of the dressed grinding wheel are obtained; according to the second thinning amount, the compensation amount of the first thinning amount is determined; and the finished grinding wheel is finished again according to the compensation amount, finishing is stopped until the total thinning amount or the maximum finishing number of times of the grinding wheel is reached, and the finished target grinding wheel is obtained. By adopting the method, the grinding wheel dressing efficiency can be improved, and manual participation is reduced.

The invention discloses a double-face machining grinding machine which comprises a box body part, a lower grinding head assembly, a feeding part, an upper grinding head assembly, an upper main shaft driving device, a Z-axis feeding part, a finishing mechanism and a lower main shaft driving device. The upper grinding head assembly and the lower grinding head assembly are symmetrically arranged up and down and are supported and mounted on the box body part by adopting a hard rail and sliding rail pair; the feeding part is mounted in front of the box body part; the upper main shaft driving device and the lower main shaft driving device are symmetrically arranged on the back of the box body part up and down and respectively provide grinding power for the upper grinding head assembly and the lower grinding head assembly; the two groups of Z-axis feeding parts are respectively arranged behind the upper grinding head assembly and the lower grinding head assembly, are fixed in the box body component and are used for providing Z-axis feeding force for the upper grinding head assembly and the lower grinding head assembly; the finishing mechanism is installed on the back face of the box body part and located between the upper grinding head assembly and the lower grinding head assembly. The box body part comprises an upper box body, a lower box body and a base. The invention has the advantages of good dynamic rigidity of the whole machine and stable performance.

The invention relates to the technical field of rubber roller polishing, and particularly discloses an energy-saving reciprocating rubber roller polishing device for a textile auxiliary machine, clamping parts are fixedly connected to the two sides of the top of a workbench, a cooling part is fixedly connected to the middle of the top of the workbench, a transmission part is fixedly connected to the top of the workbench, and the transmission part is fixedly connected to the top of the workbench. And the inner side of the grinding part is in threaded connection with the output end of the transmission part, the grinding part comprises a base, the inner side of the base is in threaded connection with the output end of the transmission part, and a grinding shell is fixedly connected to the top of the base. According to the energy-saving reciprocating type rubber roller grinding device for the textile auxiliary machine, the connecting mechanism is arranged, chippings falling during grinding wheel cleaning can be sucked into the connecting shell through suction force generated by work of the connecting mechanism, the bottom plate on the inner side of the connecting shell is provided with an inclined face and is provided with a round hole, and the chippings can be ground into the grinding wheel under the combined action of gravity and the suction force; and the materials smoothly enter the baffle frame through the round holes for centralized collection.

The invention provides glass edge grinding equipment. The glass edge grinding equipment comprises a rolling supporting platform, a grinding device and a limiting device. The rolling support platform is used for rolling and supporting a glass plate, and the distance between a polished part and a human body standing position can be adjusted by adjusting deformation; the limiting device is used for supporting one side of the polished edge of the glass plate in a rolling manner; a grinding disc of the grinding device penetrates out of the position between the two supporting assemblies of the limiting device. A grinding groove is formed in the side wall of the grinding disc, is in a closed-loop shape around the axis of the grinding disc and is of a V-shaped groove structure; the limiting device can change the relative protruding range of the grinding disc by adjusting the position of the supporting assembly. The grinding device can vertically move through adjustment, so that the grinding disc is matched with the bearing plane of the rolling support platform; the limiting device vertically moves along with the grinding device; parameters can be automatically adjusted according to grinding requirements, use and operation are convenient, and the adjusting accuracy is high. And the size of the workbench can be adjusted according to requirements, a more suitable working station is provided, and operation is convenient.

The utility model discloses a high-precision cylindrical grinder for a lead frame. The high-precision cylindrical grinder comprises a lathe bed, and a power device, a grinding wheel assembly, a diamond grinding wheel repairing cutter, a cooling assembly, an air pump, a negative pressure pump, a dust removal box, a main shaft and a driven shaft which are arranged in the lathe bed. In the grinding wheel trimming process, compressed air generated by the air pump enters the air blowing cavity along the pipeline and the air pipe connector and then enters the blowing groove through the communicating groove, airflow is blown out after the flow speed is increased through the closing opening in the tail end of the blowing groove, and a complete annular air curtain is formed on the outer wall of a part located between the chuck and the ejector pin; high-speed moving sand particles generated during grinding wheel repairing can be effectively prevented from falling on the surface of a part, the product machining quality is improved, and then smooth production of a lead frame is guaranteed.

A determining tool for use in determining the shape of the tip end of a machining tool that machines a workpiece held on a table while the machining tool moves relatively to the table includes a bottom surface adapted to be held on the table and a flat slanting surface inclined to the bottom surface and oriented across a direction in which the machining tool moves relatively to the table, the flat slanting surface being adapted to be cut through by the tip end of the machining tool.

The invention discloses a grinding wheel with a self-adaptive wear compensation function, and belongs to the field of grinding wheels. A grinding wheel with a self-adaptive wear compensation function comprises a supporting plate, a grinding wheel assembly and a protective shell, the grinding wheel assembly and the protective shell are installed on the supporting plate, the grinding wheel assembly is located in the protective shell, the grinding wheel further comprises a moving mechanism fixedly connected to the position over the supporting plate, and a supporting mechanism used for driving is arranged above the moving mechanism; the detection mechanism is arranged over the supporting mechanism and used for detecting the surface of the grinding wheel assembly. A dressing mechanism; according to the method, the defect part can be accurately detected and marked in time, the problem that the defect position is not marked in time and is not easy to find quickly in the later period is solved, the service life of the grinding wheel is prolonged, and the grinding wheel can form a new grinding surface, so that the grinding capacity is recovered, and the grinding efficiency is improved. Therefore, the problem of poor polishing effect in the later polishing process is solved, and the device can further recover to the optimal state to work.

The invention relates to the field of crystal bar grinding equipment, in particular to an automatic feeding and grinding device for crystal bar machining and a using method thereof.The automatic feeding and grinding device comprises a base, a water storage tank is formed in the top of the base, supporting ring frames are symmetrically and fixedly connected to the inner top face of the water storage tank, and a supporting cylinder is rotationally connected between the two supporting ring frames; a feeding transmission mechanism is movably connected between the two sides of the supporting cylinder and the top of the base, and the middle of the supporting cylinder is movably sleeved with a transmission ring. The automatic feeding and grinding device for crystal bar machining is composed of a feeding transmission mechanism and an adjusting mechanism. Under the action of the feeding transmission mechanism, the arc-shaped grinding plates in the supporting barrel grind a crystal bar, and meanwhile, the feeding transmission mechanism and the adjusting mechanism are matched to drive the four arc-shaped grinding plates to automatically switch the grinding state, so that the surfaces of the arc-shaped grinding plates in the switched state are conveniently cleaned; and the situation that the grinding quality is affected due to the fact that crystal powder adheres to the surface of the arc-shaped grinding plate in the long-term grinding operation process is avoided.

The invention relates to the technical field of semiconductor manufacturing, and provides wafer thinning equipment and a wafer thinning process. The wafer thinning equipment comprises a plurality of grinding discs, a functional assembly and a slicking assembly; two functional assemblies are correspondingly arranged on the grinding face of each grinding disc, and two grinding areas are formed between the two functional assemblies. The functional assembly is used for cleaning the grinding area and spraying grinding fluid; the slicking assembly penetrates through the grinding areas of the multiple grinding discs and is used for dispersing grinding fluid. The functional assembly is arranged corresponding to the grinding disc, the grinding fluid in the grinding area of the grinding disc can be cleaned, and the grinding fluid is sprayed again, so that wafer grinding particles can be cleaned, and the purity of the grinding fluid is ensured; and meanwhile, by arranging the slicking assembly, the grinding fluid can be uniformly dispersed before the grinding fluid is in contact with the wafer, so that local aggregation of the grinding fluid is avoided, the stress concentration problem is prevented, the wafer cannot be scratched, and the grinding precision is guaranteed.

The utility model relates to the technical field of polishing and grinding, and particularly discloses a laminated stainless steel plate polishing and grinding device which is characterized in that after the bottom surface is polished and ground, two electric push cylinders are started to pull a lifting frame to slide upwards, when an ascending gear meets a rack at the side end of a turning panel, a fixed frame is driven to rotate, and in the process, the fixed frame is driven to rotate; when the lifting frame rotates by 180 degrees, the electric push cylinder starts to push the lifting frame downwards, in the process, the push rod can generate thrust on the inclined face of the guide groove in the downward sliding process, the turning panel is promoted to slide towards the side face, and then the turning panel is pushed to move downwards. The rack at the side end of the overturning plate avoids the gear, the rack at the side end of the overturning plate is meshed with the gear, overturning is completed, the effect of automatically overturning and improving the polishing efficiency is achieved, the motor drives the vibration rod to generate vibration to clean the surface of the polishing belt, and the effect of prolonging the service life of the polishing belt is achieved.