1269 results about "Surface grinding" patented technology

The invention relates to aluminum alloy pipe machining equipment, in particular to a polishing device for a formed aluminum alloy pipe. The right support and the left support are arranged in parallel at the same height, the left support is provided with an inner polishing part capable of going deep back and forth, and the right support is provided with a rotating part capable of driving a pipe to rotate. According to the grinding device for the formed aluminum alloy pipe, a left support and a right support which are symmetrically arranged form a main body frame, the front end of the left support is provided with an inner grinding part capable of conducting feeding movement in the front-back direction, and the right support is correspondingly provided with a rotating part for driving the pipe to rotate; the rotating part comprises two sets of supporting rollers coaxially installed on the right support, and a plurality of grinding blocks used for grinding the outer surfaces are evenly distributed on the peripheries of roller bodies of the supporting rollers. The inner grinding part carries a moving seat capable of longitudinally sliding through a left support guide rail, a grinding shaft capable of rotating at a high speed is arranged in the moving seat, the tail end of the grinding shaft is rigidly connected with a multi-blade grinding head used for inner wall machining, and progressive grinding of the grinding head in an inner cavity of the pipe is achieved through axial feeding driving of the moving seat.

The utility model provides quartz boat surface grinding and polishing equipment, which relates to the technical field of grinding and polishing and comprises a grinding and polishing component, a mounting component is arranged at the top of the grinding and polishing component, a dust collection component is arranged at one end of the grinding and polishing component, and the grinding and polishing component comprises a grinding and polishing box. The mounting assembly comprises a grinding motor, and a hydraulic lifting column is mounted at the top of the grinding motor. The pull rod is pulled outwards, so that the spring is stressed and compressed, then the mounting sleeve is arranged on the outer side of the rotating shaft in a sleeving mode, the mounting strip is promoted to be installed in the limiting groove in a sliding mode, the grinding and polishing head is conveniently installed, then the pull rod is loosened, and the spring drives one end of the pull rod to be installed in the rotating shaft through the elasticity of the spring; and limiting is facilitated, operation is convenient and rapid, the grinding and polishing head can be conveniently maintained and replaced at any time, operation convenience is improved, the equipment downtime is shortened, and working efficiency is improved.

The invention relates to the technical field of grinding machines, and discloses a surface grinding machine which comprises a rotary type grinding mechanism and a linkage type pressure applying mechanism. A hollow rotating column which can rotate along with the second butt-joint plate and is in a hollow state, a fifth butt-joint plate which can axially move along the hollow rotating column and rotate along with the hollow rotating column, and a spiral spring which generates downward elastic pressure on the fifth butt-joint plate are arranged in the second butt-joint plate. According to the surface grinding machine, the basic circular motion type grinding effect of the plane grinding disc on the surface of an object is utilized, and the relative motion of the built-in grinding block around the petal-shaped closed sliding groove is combined, so that the grinding block can generate radial reciprocating motion relative to the rotating axis on the surface of the object, and the grinding efficiency of the object is improved; the two kinds of grinding movement are from the same driving motor, and therefore the effective utilization rate of the driving motor can be effectively increased.

The invention discloses laser cladding repairing equipment for an exhaust valve rod of a marine main engine. The laser cladding repairing equipment comprises a rotating mechanism, a cleaning mechanism and a repairing mechanism. The rotating mechanism adopts a plurality of stepping motors to drive friction wheels, self-centering clamping and intermittent rotation of the exhaust valve rod are achieved through a hydraulic cylinder and a plane connecting rod mechanism, it is ensured that positioning is accurate, and the rotating mechanism adapts to workpieces with different diameters. The cleaning mechanism is arranged below the rotating mechanism, a centrifugal fan is used for simultaneously driving a grinding disc to rotate at a high speed to conduct surface grinding, scrap iron is discharged in time through the negative pressure suction function of the centrifugal fan, and cleaning and dust removal are integrated. And the anti-diffusion cover and the anti-diffusion plate are matched to form a local closed area, so that dust dissipation is effectively inhibited. The repairing mechanism adopts a mechanical arm to carry a laser cladding head, the curved surface of the valve rod can be tracked with high precision, and automatic cladding is completed. The equipment integrates automatic clamping, efficient cleaning, synchronous dust removal and intelligent repairing, and the automation level, the surface treatment quality and the operation safety of repairing of the exhaust valve rod are remarkably improved.

The invention belongs to the technical field of metallurgical engineering, and relates to an intelligent guide grinding system and method for the surface of a casting blank. By arranging the parameter initialization module, the parameter compensation module and the deviation correction module, the problem of unstable grinding quality caused by grinding force fluctuation, temperature change and material difference in the casting blank surface grinding process is solved. The method specifically comprises the steps that the feeding speed is dynamically adjusted by collecting grinding force data in real time, thermal deformation compensation is conducted according to the casting blank temperature and the steel grade characteristics, the upper limit value is determined based on quantitative analysis of surface state parameters and historical standard samples, and adaptive adjustment of the next round of coping parameters is achieved. According to the method, the consistency of the grinding depth is effectively improved, the over-grinding risk in the high-temperature casting blank grinding process is prevented, closed-loop optimization and continuous improvement of the grinding process are achieved, the stability and reliability of the casting blank surface grinding quality are improved, and it is ensured that the product quality cannot be affected by surface defects in the subsequent rolling process of the casting blank.

The invention discloses a high-precision steel pipe surface grinding device and method, and relates to the technical field of high-precision steel pipe machining. The device comprises a clamping assembly, a grinding assembly is arranged on the clamping assembly, a heat dissipation assembly located below the grinding assembly is arranged on the clamping assembly, a driving assembly is arranged on the outer wall of the grinding assembly, a refrigeration power generation assembly is arranged on the grinding assembly, and a push-pull regulation and control assembly is arranged on the refrigeration power generation assembly. The clamping assembly is used for clamping and rotating the steel pipe. By using the device, in the process of grinding the outer wall of the steel pipe, the outer wall of the steel pipe is fully lubricated and cooled in the mode that the steel pipe is directly dipped in cooling liquid, so that the smoothness and quality of grinding are guaranteed, chippings generated by grinding are adsorbed by an electromagnetic iron rod, the chippings are further prevented from being attached to the outer wall of the steel pipe again, and the grinding efficiency is improved. The quality of the outer wall of the steel pipe after grinding is influenced, and the grinding quality is effectively improved.

The invention provides a steel formwork surface grinding device. The steel formwork surface grinding device comprises a wall-climbing robot, a mounting mechanism and a grinding mechanism. The wall-climbing robot is provided with an installation position, the installation mechanism comprises a frame assembly and a driving assembly, the frame assembly is detachably connected to the installation position, the driving assembly is installed on the frame assembly, the grinding mechanism comprises a first flange, a rotating rod, an end plate, a steel wire grinding piece and a diamond abrasive grinding piece, one end of the rotating rod is fixedly connected with the first flange, and the other end of the rotating rod is fixedly connected with the end plate. The steel wire grinding piece and the diamond grinding piece are both installed on the end plate, the steel wire grinding piece is arranged on the outer side of the diamond grinding piece in a surrounding mode, and the first flange can be connected to the driving assembly so that the driving assembly can drive the grinding mechanism to rotate. In this way, the grinding mechanism is driven to rotate through the driving assembly, and the wall-climbing robot moves on the to-be-ground steel formwork, so that concrete sticky skin and rust on the steel formwork can be cleaned up.

The invention discloses a combined type steel-wood bookshelf production polishing device, and relates to the field of polishing machining, the combined type steel-wood bookshelf production polishing device comprises a front conveying table, a transfer table and a rear conveying table which are arranged in sequence; a feeding conveying belt is arranged on the front conveying table, a bookshelf plate is placed on the feeding conveying belt, a first working groove is formed in the front conveying table, and two side grinding rollers and two surface grinding rollers corresponding to the bookshelf plate are sequentially arranged in the first working groove in the conveying direction of the bookshelf plate. A first feeding roller and a second feeding roller which are located on the two sides of the first working groove are arranged on the front conveying table. According to the combined type polishing equipment for steel-wood bookshelf production, through cooperation of the front conveying table, the transfer table, the rear conveying table and related structures arranged on the front conveying table, the transfer table and the rear conveying table, full polishing treatment can be conducted on all the surfaces of bookshelf plates in the bookshelf plate polishing process, and therefore the polishing efficiency of the bookshelf plates is effectively improved.

The utility model belongs to the technical field of cylindrical workpiece polishing, and mainly relates to a cambered surface polishing device which is characterized by comprising a support frame, abrasive paper, an arc-shaped mounting plate and a driving piece, the arc-shaped mounting plate is provided with an inner arc surface matched with the outer circumferential surface of a cylindrical workpiece to be polished; the abrasive paper is adhered to the inner arc surface and is used for polishing the outer circumferential surface of the cylindrical workpiece; the arc-shaped mounting plate is assembled on the supporting frame in a swinging mode around the central axis of the cylindrical workpiece where the arc-shaped mounting plate is located. The driving part is fixed to the supporting frame and is in transmission connection with the arc-shaped mounting plate so as to drive the arc-shaped mounting plate to swing back and forth around the central axis of the cylindrical workpiece. The outer circumferential surface of the cylindrical workpiece is in full contact with the abrasive paper on the arc-shaped mounting plate, the arc-shaped mounting plate swings up and down to be in contact friction with the self-rotating cylindrical workpiece, the contact area is larger, the grinding effect is better, and the grinding efficiency is higher.

The invention relates to the technical field of machining, in particular to a grinding wheel polishing process monitoring system. The device specifically comprises the following modules: a grinding wheel polisher is used for polishing the surface of a workpiece; the data acquisition module is used for acquiring operation parameters in the grinding wheel polishing process in real time; the data processing and analyzing module is used for processing and analyzing the acquired operation parameters; the visual monitoring module is used for carrying out visual display on the analyzed information; the intelligent adjusting module automatically adjusts operation parameters of the grinding wheel polisher according to the analysis result; and the fault detection alarm module is used for detecting abnormal conditions in the grinding process and sending out an alarm signal. The novel grinding wheel polishing process monitoring system provided by the invention has the functions of comprehensive data acquisition, real-time data processing and analysis, intelligent fault detection and alarm, friendly user interaction interface and remote monitoring and alarm, and has important practical significance for improving the efficiency, quality and safety of the polishing process.

The invention relates to the technical field of grinding, and discloses a dust-free grinding machine for grinding the inner surface of a metal pipe, the dust-free grinding machine comprises a grinding machine body and a clamping part, the clamping part comprises two mounting plates, adjusting plates are arranged on the two mounting plates, and a clamping set and a grinding part are mounted in an area defined by the two adjusting plates; the grinding part comprises a supporting table and a grinding set installed on the supporting table, the clamping set comprises four arc-shaped plates installed between the two installation plates in a sliding mode, limiting pieces are arranged on the four arc-shaped plates, and inner supporting pieces are further installed in the limiting pieces. The dust-free grinding machine for grinding the inner surface of the metal pipe can solve the problems that in the prior art, the contact area of a three-jaw chuck and the outer wall of the metal pipe is relatively small, the limiting area of the metal pipe is limited, in the grinding process, especially during large-allowance grinding or thin-walled pipe grinding, the metal pipe is likely to shake or vibrate, and the grinding efficiency is high. And the grinding precision and the surface quality are influenced.

The invention provides a method for repairing a titanium-aluminum alloy through an additive manufacturing method, and relates to the technical field of metal material surface repairing. The method comprises the steps of surface pretreatment of the titanium-aluminum alloy, preheating treatment, construction of a defect area model, laser path planning and G code generation, a laser directional energy deposition technology, hot isostatic pressing treatment, heat treatment and surface treatment. According to the method, the purity and the mechanical performance of a repaired area are creatively and cooperatively improved through cooperation of a multi-step cleaning process, induction heating pretreatment, CAD modeling, G code generation, a designed special clamp, titanium-aluminum alloy powder components, ultrasonic assistance, precise deposition process parameter control, argon protection, hot isostatic pressing and surface grinding and polishing; mechanical properties and durability; the method is high in resource utilization rate, low in production cost, short in process, easy to operate, high in efficiency and beneficial to industrial large-scale production and popularization.

The invention discloses a heat dissipation substrate and a preparation method and application thereof.The preparation method of the heat dissipation substrate comprises the following steps that a metal substrate body is provided, a groove is machined in the metal substrate body, the groove is filled with a composite heat conduction material, then a cover plate matched with the groove is additionally arranged, and a green body is obtained; the green body is subjected to hot pressing sintering at the temperature of 600-1150 DEG C, so that the composite heat conduction material is converted into a compact sintering body, the grooves are deformed to be just matched with the compact sintering body, a cooked blank is obtained, and then the surface of the cooked blank is ground. According to the preparation method, internal gaps are reduced through the pressing effect of the cover plate, the density of the composite heat conduction material is improved, then the dense sintering body is formed through hot pressing sintering, the dense sintering body and the metal substrate body are fused into a whole, and finally the integrated heat dissipation substrate is obtained. The prepared heat dissipation substrate has good heat conductivity and heat dissipation performance, and can be widely applied to efficient heat dissipation of various power devices.

A surface polishing method for micro inner flow channel, a micro inner flow channel part and a polishing medium. The diameter of the micro inner flow channel is less than or equal to 3 mm and length-diameter ratio is greater than or equal to 50:1. A polishing medium including a liquid phase and a solid phase, and viscosity of the liquid phase <1000 cP, the solid phase includes abrasive particles; a predetermined pressure being set on the polishing medium, making the polishing medium flow in the micro inner flow channel at a flow velocity more than 5 m / s, and flow rate of the polish polishing medium flowing into the micro inner flow channel at one end reaches a saturation flow rate allowed by the bore of the micro inner flow channel, making the hydraulic pressure inside the inner flow channel be in a pressure holding state.

The invention discloses a flexible dressing method for a grinding wheel with a complex profile, which comprises the following steps: S1, acquiring a grinding wheel profile, and acquiring a continuous fine dressing curve by adopting an equidistant line method according to the grinding wheel profile; s2, extracting entity segment data information of the continuous fine finishing curve to obtain fine finishing track information; s3, presetting a theoretical single cutting depth, discretizing the continuous fine finishing curve to obtain fine finishing discrete points, and creating a fine finishing discrete track according to the fine finishing discrete points; s4, constructing a profiling allowance distribution model; comprising the steps that a rough finishing boundary and a tool retracting position boundary are established based on fine finishing discrete points according to preset profiling allowance, and a rough finishing track is established according to the rough finishing boundary and the tool retracting position boundary; and S5, the grinding wheel is trimmed according to the rough trimming discrete track and the fine trimming discrete track in sequence. According to the method, the continuous fine dressing curve is automatically dispersed, and the dressing path under the condition of profiling allowance is designed, so that the grinding wheel dressing flexibility degree and the dressing accuracy and universality are improved.

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 utility model provides steel ball surface grinding and polishing equipment, and belongs to the technical field of steel ball machining. The steel ball surface grinding and polishing equipment comprises a support, a rotating piece is arranged at the upper end of the support, a grinding piece is eccentrically arranged on the rotating piece, a supporting table is arranged at the lower end of the support, the supporting table comprises three rotating rollers arranged in a triangular shape, each rotating roller rotates independently, and balls are placed on the rotating rollers. The grinding device has the following effects that the rotating piece drives the eccentric grinding piece to rotate around the ball for grinding, the grinding range is larger and more uniform, the supporting table composed of the three rotating rollers is used for driving the ball to rotate in any direction, and therefore dependence on manpower during grinding is avoided, and automation is improved.

The invention belongs to the technical field of steel pipe coping, and particularly relates to a round steel surface coping device for producing seamless steel pipes, which constructs a deflection dynamic compensation mechanism aiming at ultra-long round steel through cooperation of an electric telescopic rod of a knife rest, a driven wheel component and a driving wheel component. When radial run-out caused by deflection is detected, the deformation amount is offset through precise stretching and retracting; the driven wheel component and the driving wheel component form a double-fulcrum stable supporting structure, so that the swing amplitude of the round steel during rotation is reduced; the mounting rigidity of the tool rest is strengthened through the main supporting plate, excessive feeding is limited through the limiting block, stable clamping of the grabbing fingers and the pneumatic finger fixing plate is matched, and vibration in the coping process is effectively restrained. According to the mechanism, the deflection problem of the rigid grinding rod is thoroughly solved, the grinding depth uniformity of the super-long pipe is improved, the abnormal loss of a tool and the adhesion of chippings are reduced, the rejection rate is remarkably reduced, and the operation efficiency is improved.

The invention relates to the technical field of steel surface grinding, in particular to an automatic machining system for steel surface pretreatment, which comprises a rack, a first grinding disc is arranged above the rack, a first grinding sheet is arranged at the bottom of the first grinding disc, and a first clamping assembly is further arranged on the first grinding disc; a second grinding disc is further arranged on the rack, a second grinding piece is arranged on the top face of the second clamping assembly, and a second clamping assembly is further arranged on the top face of the second grinding disc. According to the bearing gasket grinding device, when the top face of a bearing gasket is ground through the first grinding disc, the inner side wall of the bearing gasket is clamped through a second clamping assembly on the second grinding disc, and when the bottom face of the bearing gasket is ground through the second grinding disc, the outer side wall of the bearing gasket is clamped through a first clamping assembly on the first grinding disc; the top face and the bottom face of the bearing gasket can be polished without turning over the bearing gasket, and the polishing efficiency of the bearing gasket is improved.

The invention relates to the technical field of ball body polishing, in particular to an outer surface polishing device for ball valve ball body production, which comprises a base and L-shaped seats symmetrically and fixedly connected to the base, an electric lifting frame is mounted between the L-shaped seats, and the outer surface polishing device further comprises a fixing assembly arranged on the base and used for fixing a ball body. A ball is clamped and fixed through a clamping plate, then an electric lifting frame is started to move downwards, the electric lifting frame drives a grinding belt to move downwards through a guide roller to make contact with the surface of the ball, the guide roller continues to move downwards to push the grinding belt to be tightly attached to the semispherical surface of the ball, and then a driving motor is started to drive the guide roller to rotate; the guide roller drives the grinding belt to rotate, the grinding belt grinds the surface of the sphere, meanwhile, the electric rotating shaft is started to enable the clamping plate to drive the sphere to rotate, the sphere rotates so that the surface can be comprehensively ground, in this way, the grinding belt makes contact with the hemispherical surface of the sphere, the grinding area is larger, continuous movement is not needed, and therefore the grinding efficiency is improved.

The invention relates to the technical field of cylindrical workpiece outer surface grinding, in particular to a round stone column grinding positioning device which comprises a supporting frame, grinding equipment and third driving equipment, the third driving equipment is installed at the bottom of the supporting frame, and the grinding equipment is installed on the third driving equipment and used for grinding the outer surface of a cylindrical workpiece. The clamping mechanism is mounted in the supporting frame and is used for positioning before clamping; the adjusting mechanism is mounted in the moving end of the positioning mechanism; the driving mechanisms are mounted in the supporting frame and used for driving the moving ends of the positioning and adjusting mechanisms; the adjusting mechanism comprises a moving assembly, a rotating assembly, a linkage assembly, an adjusting assembly, a spraying assembly, a lifting frame and a supporting plate. When the outer surface of the cylindrical workpiece is ground, the spraying head with the large spraying range is selected, when the groove in the outer surface of the cylindrical workpiece is ground, the spraying head with the high impact force and the small spraying range is switched, and therefore chippings in the groove are flushed out.

The utility model relates to the technical field of cast iron pipe dies, in particular to an inner wall horn mouth cambered surface polishing device for a thin-walled pipe die, which is used for polishing the inner wall of the pipe die and comprises an inner positioning group, an outer positioning group and a polishing group, the inner positioning group comprises an inner positioning support and an inner abutting block which is telescopically arranged in the inner positioning support, and the outer positioning group comprises an outer abutting block which is telescopically arranged in the inner positioning support. The inner abutting block abuts against the inner wall of the pipe die. The outer positioning set comprises an outer positioning support and an outer abutting block, and the outer abutting block abuts against the outer wall of the pipe die. The polishing set comprises a polishing support and a polishing head installed on the polishing support, the polishing head partially extends out of the polishing support and abuts against the inner wall of the pipe die, and the face, facing the pipe die, of the polishing head is consistent with the outline of the inner wall of the pipe die. In this way, the inner wall of the pipe die with the large inclination or the horn-mouth-shaped arc face is polished, one-time forming is achieved, and machining stability is guaranteed.

The invention relates to the technical field of part machining, and particularly discloses stainless steel profile surface grinding, polishing and drilling combined machining equipment which comprises a machining frame, the machining frame is provided with a containing frame used for containing a profile, a concave hole is formed in the middle of the containing frame, and a sliding seat is arranged at the top of the machining frame in a sliding mode. A drilling assembly and a polishing assembly are arranged at the bottom of the sliding seat, the combined machining equipment further comprises a supporting assembly, the supporting assembly is arranged in and above the containing frame and used for supporting a profile during drilling, the supporting assembly comprises a frame arranged in the concave hole, and a medium bag is arranged in the frame; according to the drilling device, the medium bag is arranged in the middle of the drilling device, the medium is filled in the medium bag for supporting the section bar, through cooperation of the structures, the uneven section bar can be well supported during drilling, then the situation that the section bar is deformed due to downward pressure during drilling is reduced, and therefore the quality of the machined section bar is improved.

The invention discloses a gallium oxide substrate surface grinding morphology prediction method and system, and relates to the technical field of nondestructive testing, and the method comprises the steps: collecting a surface fluorescence distribution image, matching the surface fluorescence distribution image with a pre-constructed fluorescence-crack mapping database, and generating a two-dimensional crack depth distribution cloud picture; marking a risk area coordinate set in the two-dimensional crack depth distribution cloud picture based on a preset crack depth threshold value; inputting the risk area coordinate set into a Bessel beam chromatography scanner for multi-angle transmission type scanning, synchronously collecting scattering images generated by scanning, and fusing the scattering images to generate a subsurface damage three-dimensional model; and performing data registration and weight superposition on the two-dimensional crack depth distribution cloud picture and the subsurface damage three-dimensional model, and outputting a morphology prediction report and grinding process optimization parameters. The subsurface damage three-dimensional model is constructed through the Bessel beam tomography scanning and multi-angle scattering image fusion technology, and high-resolution visual reconstruction of microcracks and damage distribution in the gallium oxide substrate is achieved.

The utility model discloses a round bar sample surface polishing device which comprises a base, a centering part and an abrasive belt polishing part used for polishing a round bar sample, the centering part comprises a containing plate, a placing plate, a hollow column, a supporting column, a fixing frame and a pressing plate, and the containing plate is welded to the outer wall of the top of the base through a supporting block; the outer wall of the bottom of the containing plate is fixedly connected with a third electric telescopic rod, the containing plate is fixed to the output end of the third electric telescopic rod through a pin, the hollow column is movably connected to the inner wall of a through hole formed in the containing plate, and a three-jaw chuck is welded to the outer wall of the top of the supporting column. The polishing abrasive belt is in full contact with the circumferential outer wall of the round bar sample, so that polishing dead angles are avoided; the tensioning degree of the polishing abrasive belt can be adjusted, so that the polishing effect is guaranteed; and when the round bar sample needs to be polished, the whole device is covered with the two protective covers, and the safety of the polishing process is guaranteed.

The invention relates to the technical field of bearing machining, in particular to bearing outer surface grinding equipment for bearing machining and a using method, the bearing outer surface grinding equipment comprises a machine table serving as a mounting base, and a supporting plate is arranged on the machine table. According to the bearing outer surface grinding equipment for bearing machining and the using method, through the collaborative design of the bimetallic strip and the offset bush, heat transfer triggers the bimetallic strip to be heated and unfolded, the guide wheel is pushed to axially displace along the conical offset bush and achieve radial offset, the displacement amount for enlarging the grinding gap is in direct proportion to temperature rise, and the grinding efficiency is improved. By means of thermal induction linkage of the temperature guide pin, the thermosensitive liquid and the cylinder sleeve, the temperature guide pin is heated to promote the thermosensitive liquid to expand during thermal expansion of the workpiece, the supporting plate is pushed to automatically lift, so that a contact point of the workpiece moves upwards, an effective grinding gap is expanded in a disguised mode, and dual adjustment is formed with radial deviation of the guide wheel. The thermal expansion change of the workpiece is further adapted, and the grinding resistance and the workpiece damage risk are reduced.

The invention relates to the technical field of grinding machine tools, in particular to an airspace engine directional blade tenon bottom face grinding machine tool which comprises a clamping device for clamping a directional blade, a belt sander, a portal frame, a horizontal sliding system, a lifting mechanism and a cushion block arranged below a sanding belt. The cushion block provides rigid support for the abrasive belt, and an oil storage tank with an oil absorption roller is arranged above the cushion block for automatic lubrication. And the horizontal sliding system and the lifting mechanism on the portal frame drive the clamping device and the directional blade to realize feeding movement. The problem that abrasive belt suspended grinding is unstable is solved through rigid supporting and automatic lubricating, manual grinding is replaced with mechanical operation, and therefore the machining precision and efficiency of the tenon bottom face of the directional blade are remarkably improved, the rejection rate and the labor-hour cost are reduced, and reliable assembly of the directional blade and a wheel disc is guaranteed.

The invention relates to the technical field of aspherical lens machining, in particular to an edge milling device for aspherical lens machining, which comprises a clamping assembly, a first milling assembly and a second milling assembly, the milling assembly comprises a milling cutter for grinding the edge of the aspherical lens and a grinding rod for grinding the surface of the aspherical lens; the fixing assembly is used for fixing the milling cutter and the polishing rod; the protection assembly is arranged outside the clamping plates in a sleeving manner and is used for surrounding the lens between the two groups of clamping plates; the grinding device has the beneficial effects that through cooperation of the bolts and the mounting plates, the grinding rods are mounted on one sides of the clamping plates, then the lens is adsorbed to the other set of clamping plates, surface grinding of the aspheric lens is achieved, when the edge of the aspheric surface needs to be ground, the lens is clamped through the clamping assemblies, a milling cutter is driven by the connecting rods to be inserted between the two sets of clamping plates, and grinding is achieved. The edge of the aspherical lens is ground, all-directional grinding machining of the aspherical lens can be achieved without replacing equipment, and the production efficiency is improved.

The invention relates to the technical field of grinding devices, in particular to a surface grinding treatment device for rock drilling large bit shank machining, which comprises a bedplate, and further comprises a three-jaw chuck arranged above the bedplate through a reciprocating driving mechanism, a shell and an end cover fixed above the bedplate and mutually fixed, a plurality of sliding blocks are movably arranged on one side of the end cover, and the sliding blocks are movably arranged on the other side of the end cover. One end of each sliding block is rotationally connected with a grinding wheel, and a feeding mechanism for driving the multiple grinding wheels to be combined synchronously is arranged on the inner side of the shell. The reciprocating mechanism drives the three-jaw chuck and the bit shank to do reciprocating motion, meanwhile, through the feeding mechanism, the multiple grinding wheels can be synchronously combined by a very small distance when the bit shank does reciprocating motion every time, the micro-feeding effect is achieved, multiple spline grooves are ground at the same time, and the grinding efficiency is improved. The grinding machining efficiency is improved, it is guaranteed that the grinding depth of each spline groove is kept consistent, and the machining accuracy of the spline grooves is improved.

The utility model relates to the technical field of grinding machines, and discloses a workpiece movement mechanism based on a grinding machine, which comprises a grinding seat used for storing grinding liquid, and is characterized in that a grinding disc is fixedly arranged at the bottom of the grinding seat, a gear ring is arranged on the periphery of the grinding seat, a gear is arranged in the center of the grinding seat, and the grinding disc is connected with the gear. Power used for driving the gear to rotate is arranged at the bottom of the grinding base. A plurality of planetary gear discs are arranged between the gear and the gear ring, a plurality of limiting through grooves used for installing workpieces are formed in the planetary gear discs, and the thickness of the planetary gear discs is smaller than that of the workpieces to be ground. When the workpiece is arranged in the limiting through groove, the lower surface of the workpiece abuts against the upper surface of the grinding disc under the action of gravity. The grinding device has the beneficial effects that the workpieces are ground in batches, and the grinding uniformity of the surfaces of the workpieces is good.