55results about How to "Guaranteed grinding accuracy" patented technology

The invention relates to the technical field of optical fiber sensors, and provides an optical fiber grinding method and a grinding processing device.An optical fiber FP sensor is driven by a three-axis displacement mechanism and a grinding disc to move under clamping of a designed optical fiber clamping mechanism, and optical fiber grinding work is carried out; the upper computer electrically controls the three-axis displacement mechanism and the grinding disc, in the grinding process, the broadband light source, the optical circulator and the spectrograph form a demodulation system to detect optical fiber spectrum information and convert the optical fiber spectrum information into electric signals, the electric signals are transmitted to the upper computer, and the upper computer monitors the grinding thickness in real time through a demodulation algorithm. And communication with the three-axis displacement mechanism and the grinding disc is established through a hardware module, and then actions of the three-axis displacement mechanism and the grinding disc are controlled according to the grinding thickness detection information. According to the method, a demodulation algorithm is utilized, online monitoring of the cavity length and thickness in the grinding process is achieved through a spectral signal detection technology, and the machining precision and efficiency can be guaranteed.

The invention discloses an automobile part grinding control system, which relates to the technical field of automobile part grinding control, and ensures that a grinding tool always keeps an optimal focal length and an accurate position in an operation process by accurately controlling a first focusing instruction, a first translation instruction and a first rotation instruction. A strain sensor is introduced to monitor the deformation of the workpiece in real time, and the deformation can be found in time and compensated in real time in the grinding process. The system can optimize temperature control management for different workpiece materials by considering heat conductivity coefficients k and heat conduction factors Rczz of different materials. Multiple factors of stress distribution, heat conduction, cooling efficiency and surface smoothness are considered by integrating the grinding quality index Mzqs, the machining quality grade is generated after comprehensive evaluation is provided for the grinding quality, parameters including the grinding depth, the workpiece feeding speed and the cooling system are adjusted according to the grade result, and therefore the machining quality of the final workpiece is improved.

The water pump shaft part ultra-precision grinding device comprises a machine base and a grinding machine body fixedly installed at the top of the machine base, a first motor is fixedly installed on the inner wall of the left side of the grinding machine body, a first hydraulic cylinder is fixedly installed on the inner wall of the right side of the grinding machine body, and a first shaft base is rotationally installed at the output shaft end of the first hydraulic cylinder. The ultra-precision grinding device is reasonable in design, the fine-grained abrasive particle grinding wheel, the ultra-fine-grained abrasive particle grinding wheel and the superfine-grained abrasive particle grinding wheel are conveniently and sequentially used for carrying out three times of grinding machining on the water pump shaft part by arranging the three abrasive particle grinding wheels with different granularities, and ultra-precision grinding treatment on the water pump shaft part is achieved; the strict requirements for precision indexes such as the surface roughness of the water pump shaft parts are met, the machining precision and the surface quality of the water pump shaft parts are effectively improved, the time spent on replacement of abrasive particle grinding wheels with different granularities after shutdown is greatly shortened, operation is easy and convenient, and the working efficiency is improved.

The invention relates to a turning tool rake face grinding method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a feed linear section and a retraction arc section; the feed linear section corresponds to the plane structure of the front tool face of the turning tool; the tool retracting arc section corresponds to the curved surface structure of the front tool surface; the initial posture of the grinding wheel is determined when the end face of the grinding wheel is parallel to the feeding straight line section and perpendicular to the track plane where the feeding straight line section and the retracting arc section are located; for the track point on the feed straight line section or the retracting arc section, the grinding pose of the outer edge of the grinding wheel passing through the track point is determined according to the initial pose; and the grinding wheel is controlled to grind the front tool face of the turning tool at the track point according to the grinding pose. By adopting the method, the grinding precision of the rake face of the turning tool can be ensured.

The invention discloses a shock absorber shell surface grinding device and a using method thereof, and belongs to the technical field of shock absorber shell machining, by controlling a grinding assembly to work, a multi-stage electric hydraulic rod extends and drives a supporting barrel to move downwards through a fixing box, in the moving process of a sliding rod, a plurality of connecting rods can be extruded through a pin shaft, and the surface of the shock absorber shell is ground. The connecting rod deflects and pushes the sliding plate to horizontally move, the sliding plate drives the grinding pieces to approach the inner surface of the shock absorber shell through the mounting plates, and when the grinding pieces make contact with the inner surface of the shock absorber shell, the multiple mounting plates are matched to drive the multiple grinding pieces to rotate, and the purpose of grinding the inner surface of the shock absorber shell is achieved; and along with continuous unfolding of the four grinding pieces, the grinding degree of the inner surface of the shock absorber shell is conveniently adjusted, when the shock absorber shells of different specifications are ground, grinding wheels of different sizes do not need to be replaced, only the positions of the multiple grinding pieces need to be synchronously adjusted, the workload is relieved, and meanwhile the grinding efficiency is improved.

The automatic grinding and polishing equipment comprises a wrench feeding unit and a grinding unit, the wrench feeding unit comprises a rotating disc conducting rotating motion and a fixed back plate arranged close to the back face of the rotating disc, and a plurality of limiting grooves are formed in the rotating disc; a feeding station, a discharging station and a polishing station are arranged around the rotating disc, and a first avoiding notch is formed in the position, corresponding to the polishing station, of the fixed back plate. The polishing unit is arranged at the wrench polishing station and comprises a first polishing module and a second polishing module; the first polishing module and the second polishing module each comprise a second driving part, a supporting plate driven by the second driving part to move front and back, a third driving part fixed to the supporting plate and a polishing wheel driven by the third driving part to rotate, and the shaft end face of the polishing wheel is a polishing working face. Wrench feeding, double-face grinding and wrench discharging can be achieved at the same time, and the wrench grinding and polishing efficiency is greatly improved.

The invention relates to a rear tool face grinding method and device of a turning tool, electronic equipment and a storage medium. The method comprises the steps that a grinding trajectory of the rear tool face of the turning tool is obtained; for track points on the grinding track line, reference relief angle parameters corresponding to the track points are determined; determining a reference tangential direction and a reference normal direction of the grinding track line at the track point; determining the initial attitude of the grinding wheel when the radial direction of the grinding wheel is parallel to the reference tangential direction and the included angle between the axial direction of the grinding wheel and the reference normal direction meets the reference relief angle parameter; determining the grinding posture of the grinding wheel according to the initial posture and the track point; and controlling the grinding wheel to grind the rear tool face of the turning tool at the track point according to the grinding pose. By adopting the method, the grinding precision of the rear tool face of the turning tool can be ensured.

The invention belongs to the technical field of burr removing, and discloses burr removing equipment which comprises a workpiece fixing unit, a burr removing unit and a burr removing unit. The first polishing unit is used for polishing burrs on the periphery of the workpiece; the second polishing unit is used for polishing burrs on the top of the workpiece; the moving unit comprises a first moving shaft, a second moving shaft and a third moving shaft, the first moving shaft, the second moving shaft and the third moving shaft are perpendicular to one another, the first moving shaft, the second moving shaft and the third moving shaft can move in the respective axial directions, the first grinding unit and the second grinding unit are arranged on the first moving shaft, and the second grinding unit is arranged on the second moving shaft. And the grinding sides of the first grinding unit and the second grinding unit can be arranged opposite to the workpiece fixing unit after moving. The problem that in the prior art, low efficiency and high potential safety hazards caused by manual deburring cannot be overcome, and meanwhile low cost cannot be taken into consideration is solved.

The utility model discloses an auxiliary frame body bushing mounting hole polishing tool, and belongs to the technical field of tools. The tool comprises a rack; the workbench is used for fixing the auxiliary frame to be polished; the rotating mechanism comprises a rotating shaft fixed to the rack, a bearing arranged on the rotating shaft in a sleeving mode and a bearing seat matched with an outer ring of the bearing, the center of the workbench is fixed to the bearing seat so that the workbench can rotate around the rotating shaft, and a cam bearing of the supporting structure is used for supporting the workbench under the condition that the workbench rotates around the rotating shaft; a limiting mechanism; the left handle mechanism and the right handle mechanism are installed on the workbench, and any one of the left handle mechanism and the right handle mechanism comprises a limiting pin capable of ascending and descending, a spring for driving the limiting pin, a guide shaft and a handle; and under the condition that the workbench rotates to the position above the limiting seat, the limiting pin is clamped into the hole of the limiting seat under the action of the spring so as to lock the position of the workbench. According to the tool, through cooperation of a rotating structure, a supporting structure and a limiting structure, workpieces can be overturned without being carried.

This invention relates to a centerless grinding wheel wear correction device, comprising a worktable on which a centerless grinding machine is mounted. The centerless grinding machine includes a grinding wheel and a guide wheel coaxially arranged on the grinding wheel. A support for placing a workpiece is provided between the grinding wheel and the guide wheel. The workpiece can be placed on the support along the axial direction of the grinding wheel. Both the grinding wheel and the guide wheel can reciprocate toward the workpiece. A laser rangefinder, moving synchronously with the grinding wheel, is provided on one side of the grinding wheel. The distance between the measuring head of the laser rangefinder and the axis of the grinding wheel remains constant. This invention features the ability to correct its own position in real time during the grinding process, maintaining close proximity to the workpiece during grinding, ensuring grinding accuracy, and ensuring accurate detection of the grinding wheel position.

The invention discloses a stainless steel roller efficient accurate grinding ceramic grinding wheel and a preparation method thereof, and the stainless steel roller efficient accurate grinding ceramic grinding wheel comprises the following components in parts by weight: 100 parts of grinding material; 10-25 parts of a ceramic bonding agent; 5-20 parts of a pore forming agent; 3-6 parts of a resin binder; wherein the grinding material is a large-particle silicon carbide micro powder accumulation body prepared by adopting a ceramic bonding agent, has the characteristics of a micro grinding tool, and has three elements of the grinding material, the bonding agent and air holes, and the resin bonding agent is a mixture of low-viscosity phenolic resin liquid and alcohol in a ratio of 1: 1 or 1: 2. The grinding material provided by the invention has structural uniformity, micro-cutting-edge cutting performance, micro-crushing performance of micro-grains falling off along grain boundaries and good self-sharpening performance, a ceramic grinding wheel prepared from the grinding material has the advantages of more uniform organization structure, high strength, good shape retentivity and the like, and the grinding efficiency is greatly improved under the condition that the grinding precision is ensured. And the grinding efficiency is high, the single feed amount is large, the finishing interval is short, and the service life is long.

The present invention discloses an adaptive expansion mechanism and an adaptive expansion polishing mechanism thereof. The adaptive expansion mechanism comprises a rotating wheel and an elastic leather cavity connected to the outer ring of the rotating wheel. A plurality of piston cavities are evenly arranged along the radial direction inside the rotating wheel. The outer diameter side opening of the piston cavity is connected to the elastic leather cavity, and the inner diameter side opening is connected to the atmosphere. A limiting structure is arranged at the inner diameter side opening. A centrifugally slidable piston is installed in the piston cavity. When the piston slides centrifugally, gas can be replenished into the elastic leather cavity and the elastic leather cavity can be expanded. The present invention arranges an elastic leather cavity on the outer ring of the rotating wheel, and arranges a piston along the radial direction inside the rotating wheel. The rotation of the rotating wheel itself enables the piston to move centrifugally and replenish gas into the elastic leather cavity, so that the size of the centrifugal force of the piston can be adjusted by adjusting the rotation speed, and then the expansion state of the elastic leather cavity can be adjusted, and finally an adaptive state is reached.

According to the grinding allowance automatic halving implementation device and method provided by the embodiment of the invention, in the grinding process of a superhard cutter, the position images of the center of the rotating disc and the to-be-ground blade are detected in real time through the image detection assembly mounted on the cutter rest assembly, and the grinding allowance is automatically halved through the movement and position analysis of the to-be-ground blade around the center of the rotating disc. The position of the center of the rotating disc is found firstly, the error between the center of the rotating disc and the arc center of the to-be-sharpened knife tip is automatically recognized and calculated, and the center of the rotating disc is aligned with the image detection center by controlling the first cross-shaped workbench to move. Meanwhile, the vertical distances between the arc center of the to-be-sharpened knife point and the two linear edges of the to-be-sharpened knife point are equal to the radius of the arc of the to-be-sharpened knife point, and the two linear edges are equally divided in the middle relative to the rotating center of the rotating disc, so that the arc of the to-be-sharpened knife point and the linear edge are tangent and smoothly transited, and the grinding precision of the arc of the knife point is greatly ensured.

The utility model discloses a plate polishing device relates to plate polishing technical field, the utility model discloses a work table still includes: adjusting portion, adjusting portion sets up at the top of work table, configuration portion, configuration portion sets up on work table, adjusting portion includes adjusting assembly, adjusting assembly installs at the top of work table, and lifting assembly, lifting assembly installs at the top of work table. The utility model discloses setting adjusting portion, solved because just with plate random placement on polishing belt, simply rely on the movement of polishing belt to drive the plate forward and complete polishing simultaneously, this operation mode lacks the effective positioning and firm fixation of plate, make plate in the polishing process, when receiving slight external force interference or slight change of self -stress, easy to have position deviation, thereby lead to the overall polishing precision to drop, finally cause the problem of adverse effect to finished product quality.

The utility model discloses a guide rail quick mounting and straightening jig which comprises a reference seat, a fitting retention force providing device for keeping a linear guide rail to be flatly attached to the reference seat, and a straightening device, the straightening device comprises a fixed support, a reference seat movable pressing block, a guide rail movable pressing block, a reference elastic piece and a guide rail elastic piece, wherein the reference seat movable pressing block and the guide rail movable pressing block are slidably mounted on the fixed support in the width direction of the linear guide rail; a reference fixed contact surface and a guide rail fixed contact surface which are respectively opposite to one side wall of the reference seat in the width direction and one side wall of the linear guide rail in the width direction are formed on the fixed bracket; and a reference elastic contact surface and a guide rail elastic contact surface which are opposite to the other side wall of the reference seat in the width direction and the other side wall of the linear guide rail in the width direction are respectively formed on the reference seat movable pressing block and the guide rail movable pressing block. The linear guide rail grinding precision is ensured.

The invention relates to the technical field of burr grinding, and discloses an automatic burr grinding device which is characterized in that a workpiece rotating mechanism and a side edge grinding mechanism are arranged on a base plate. The rotating mechanism comprises a rotating machine base and a rotating motor, and the motor is connected with the workpiece chuck to clamp a workpiece. The side edge grinding mechanism is composed of a vertical frame, a lifting electric cylinder, a lifting base and a clamping base air cylinder, the air cylinder drives two clamping jaws, and grinding strips are installed on the inner walls of the clamping jaws and used for grinding the side edges of the workpieces. And the burrs of the parts can be efficiently, uniformly and thoroughly polished. And through cooperative work of the workpiece rotating mechanism and the side edge grinding mechanism, the continuity and stability of the grinding process are ensured, and therefore the grinding efficiency and quality are improved. In addition, by arranging the position detection mechanism, the position of the workpiece can be accurately controlled, and the grinding precision is ensured. And the application range of the device is further expanded through the arrangement of the end grinding mechanism, so that the device can process workpiece end faces of different shapes and sizes.

This utility model discloses an automatic grinding device for a coffee grinder blade, relating to the field of blade grinding technology. The device includes a worktable with a rotating placement disc inside. A rotating mechanism for use with the placement disc is located inside the worktable. A central fixing mechanism is provided on the interior and lower surface of the placement disc. A protective cover is fixedly connected to the upper surface of the worktable, and a first cylinder is fixedly mounted on the upper surface of the protective cover. The output end of the first cylinder passes through the protective cover and is fixedly connected to a mounting bracket. A DC motor is fixedly mounted on one side of the mounting bracket, and the output end of the DC motor passes through one side of the mounting bracket and is fixedly connected to a grinding blade. This application uses a central positioning mechanism to ensure the blade is in a centered position when fixed, effectively improving the stability of the equipment operation. The rotating mechanism facilitates uniform and stable rotation of the blade during grinding, thereby improving the grinding efficiency of the grinding equipment.

The utility model provides a kind of semi-automatic polishing magnetic core inner hole's tool jig, it is related to magnetic core processing technical field, including workbench, for placing to be polished magnetic core;Polishing assembly, it is suspended above the workbench, including pneumatic component and the polishing stick being set on the pneumatic component;Moving assembly, including fixed column, moving plate and handle being set on the fixed column, the polishing stick is set on the moving plate, and the handle is connected with the moving plate by connecting component;Wherein, by pressing the handle to make the moving plate drive polishing stick to the magnetic core movement, so that the pneumatic component is driven the polishing stick rotation by air pipe to carry out polishing to the inner hole of the magnetic core.A kind of semi-automatic polishing magnetic core inner hole's tool jig in the utility model, solve the problem that there is no low cost, high precision and high efficiency's semi-automatic polishing magnetic core inner hole's tool jig in prior art.

The present invention relates to a microsphere double-plane grinding disc grinding processing device, comprising an upper grinding disc, a lower grinding disc, a lower grinding disc driving mechanism for driving the lower grinding disc to rotate, a dressing ring, an auxiliary driving mechanism for driving the dressing ring and a frame, wherein the lower grinding disc and the lower grinding disc driving mechanism are installed on the frame, the dressing ring is installed above the lower grinding disc and is sleeved on the outside of the upper grinding disc, and a retaining frame with retaining grooves is also installed between the lower grinding disc and the upper grinding disc, the retaining grooves are arranged in a strip shape, and a plurality of retaining grooves are arranged along the circumferential direction of the retaining frame. The processing device can achieve full coverage of the grinding track, ensure the sphericity of the microspheres to meet the performance of the microspheres, and can effectively improve the processing rate of the microspheres. A microsphere double-plane grinding disc grinding processing method can ensure the uniformity of the microspheres and improve the processing efficiency of the device. Compared with the current technology, it is more suitable for small-batch ultra-precision processing of microspheres.

The invention discloses a grinding and measuring tool and grinding method for a marine anchor pin hole. The measuring tool comprises a profiling ruler and a T-shaped ruler. Profiling fillets are arranged at both ends of the upper measuring edge of the profiling ruler. The length of the measuring edge of the profiling ruler is the same as the length of the pin shaft, and the radius of the profiling fillet is the same as the radius of the end face fillet of the pin shaft. The T-shaped ruler comprises a horizontal ruler and a vertical ruler extending vertically upward from the middle of the upper edge of the horizontal ruler. The horizontal ruler has the same shape as the profiling ruler, and the length of the vertical ruler is greater than or equal to the distance from the pin shaft hole to the highest point of the anchor body. Through the measuring tool and grinding method of the present application, the grinding accuracy of the inner hole of the pin shaft hole is guaranteed, and the assembly quality of the anchor rod, the pin shaft and the anchor body is ensured.

The utility model provides a polishing mechanism which comprises a base, a Y-axis driving device, a first sliding plate, a second sliding plate, a polishing torsion control device, a polishing wheel driving device and a polishing wheel. The Y-axis driving device is installed on the base, and the power output end of the Y-axis driving device is connected with the first sliding plate. The second sliding plate is connected above the first sliding plate in a front-back sliding manner; the grinding torsion control device comprises a first motor, a gear and a rack; the first motor is installed on the rear portion of the first sliding plate, and the power output end is connected with the gear. The rack is longitudinally mounted at the rear part of the second sliding plate and is meshed with the gear; according to the design, during grinding, the grinding torsion can be controlled through the grinding torsion control device, a compensation function is achieved for a ground workpiece, and the machining precision is improved.

The application relates to the grinding technical field, in particular to a roller grinder for steel processing; the grinder comprises a first bed body, a second bed body fixedly connected to the front side of the first bed body, a three-jaw chuck arranged on the left top side of the first bed body and capable of being driven, a concave slide rail arranged on the right top side of the first bed body, a top base slidingly connected to the concave slide rail, a grinding cavity arranged on the side of the second bed body facing the first bed body, a plurality of grinding wheels sequentially distributed and rotationally connected to the grinding cavity from left to right, a square groove penetratingly arranged on the center of the grinding wheel, a driven hole penetratingly arranged on the left inner wall of the grinding cavity, the number of the grinding wheels in use is adjusted by controlling the left rod to synchronously slide with the top base, the combined length of the grinding wheels in use is matched with the length of the rotating surface of the roller, meaningless rotation of the grinding wheel is avoided, the utilization rate of the grinding wheel is improved, the energy consumption is reduced, and the grinding efficiency and the machining precision are ensured.

The utility model discloses a kind of compressor impeller blade top grinding tool, belong to compressor impeller processing field.The tool, including annular fixed plate and transition shaft;The center of the fixed plate is equipped with the through-hole of installation transition shaft, the outer ring of through-hole is equipped with several notches for sliding of bed chuck jaw, it is equipped with several first locating hole, first mounting hole and second mounting hole on fixed plate, through the cooperation of positioning rod and first locating hole, fixed plate is positioned on bed chuck chuck, through the cooperation of first mounting hole, stud, T-shaped block and nut arranged on bed chuck chuck, fixed plate is fixed on bed chuck chuck;The transition shaft fixes impeller, and transition shaft is fixed on fixed plate.The utility model can be separately ground blade top to single impeller blade top, install the tool on multiple ordinary horizontal lathe, then multiple impellers can be simultaneously ground blade top, greatly shorten product manufacturing cycle, and can guarantee grinding accuracy and surface roughness.

The utility model relates to the technical field of metal processing, in particular to a metal processing deburring machine tool which comprises a main body, a part moving clamping assembly is fixedly connected to the top of the main body, and a lifting translation assembly is arranged on the side face of the main body. The motor is used for driving the lead screw to rotate, so that the threaded block drives a part clamped at the top of the machining table board to move, high-precision position control can be achieved through the lead screw transmission mode, and the machining precision is improved through the precise thread pitch design and the high-precision lead screw manufacturing process. The position precision of a part in the moving process can be guaranteed, large thrust and large pulling force can be borne through the hydraulic cylinder, a heavy grinding mechanism can be stably moved and positioned, it can be guaranteed that the lifting position of the grinding mechanism is accurate, and the stability of the grinding process and the surface quality of the part can be guaranteed; and meanwhile, proper stroke and thrust of the hydraulic cylinder can be selected according to the size and the shape of the part.

The invention relates to the technical field of sheet metal processing, and discloses an edge grinding device for processing a snow thrower protective cover, comprising a protective cover shell, a base, a grinding box, an eccentric counterweight, a high-frequency oscillation generator, a positioning and mounting assembly, an abrasive separation assembly and a clamping assembly; the invention drives an abrasive formed by a mixture of corundum, brown corundum and white corundum to oscillate at high speed through a high-frequency oscillating grinding box, and oscillates and layers the abrasive through the setting of a high-frequency oscillation generator, so that the protective cover shell can be ground by abrasives of different depths, and the protective cover shell is polished in turn as the insertion depth of the protective cover shell is different, so that the abrasives of different particle sizes and hardnesses can ensure the grinding accuracy while improving the grinding rate, the operation is simple and the processing is convenient, and the synchronous grinding of irregular edges is realized, and repeated manual grinding is unnecessary, thereby improving the processing rate and automation degree of the equipment.

The present invention relates to the field of chip waste recycling technology, and specifically to a chip production waste recycling device and recycling method, comprising a shell, wherein the upper and lower sides of the front wall of the shell are respectively provided with a feed port and a discharge port, a grinding mechanism is arranged inside the shell, and the grinding mechanism comprises a grinding wheel, a grinding groove which slides with the grinding wheel is arranged on the inner bottom surface of the shell, a plurality of leakage holes are evenly arranged on the bottom surface of the grinding groove, the lower opening end of the leakage hole is connected to the discharge port, a plug rod is inserted at the lower part of the leakage hole, a support plate is fixed between the lower parts of the plurality of plug rods, the support plate is slidably connected to the bottom surface of the discharge port, and a driving mechanism is arranged at the rear of the inner part of the shell. The present invention is provided with a plug rod and a support plate, and the leakage hole can be intermittently opened by the driving mechanism of the two, so as to ensure that the problem of insufficient grinding will not occur during the grinding process, and also avoid the problem of the chip being forcibly squeezed into the leakage hole by the grinding wheel to cause blockage, so that the ground powder can be discharged and recycled in the first time.

The utility model relates to steel pipe machining technical field, concretely relates to a steel pipe end portion grinding machine. It includes work platform, and the upper surface of work platform is equipped with guide rail, and the upper surface of guide rail is equipped with recess, and the lateral wall of guide rail is equipped with electric telescopic handle, and the bottom surface of installation board is connected, and the lateral wall of installation board is equipped with clamping subassembly, and the upper surface of work platform is equipped with mount, and the upper surface of mount is equipped with grinding assembly, and the different size steel pipes are fixed through clamping subassembly, and the center of different size steel pipes is kept on the same horizontal line with the center of grinding assembly. The utility model discloses through the ball screw design of the biaxial surface structure V -shaped groove of adaptation different diameter steel pipe, realizes the synchronous relative movement of clamping block through the rotation of torsion block, and the operation is simple and convenient and the clamping force is even, and the geometric self -centering principle is ensured steel pipe axis and grinding assembly alignment, avoids the grinding uneven or damage due to the offset of steel pipe.

The invention relates to the technical field of guide rail grinding equipment, in particular to a self-made tool for grinding a guide rail. Comprising a supporting device; a positioning device; the outer wall of the anti-slipping device is in sliding connection with the outer wall of the positioning device; the bottom of the anti-warping device is fixedly connected with the top of the supporting device; the supporting device comprises a base, the outer wall of the base is fixedly connected with a fixing screw, the outer wall of the fixing screw is in threaded connection with an extrusion ring, the inner wall of the base is fixedly connected with a limiting rod, the top of the base is fixedly connected with an adjusting device, the outer wall of the adjusting device is slidably connected with a lower pressing plate, and the inner wall of the lower pressing plate is slidably connected with a positioning rod. An anti-warping block is fixedly connected to the bottom of the lower pressing plate, an extrusion groove is formed in the outer wall of the bottom of the lower pressing plate, by arranging the supporting device and the positioning device, the self-made tool has certain polishing precision, the precision of the polished and trimmed guide rail can be ensured by a worker, and the purpose that it is ensured that the guide rail is more precise after being polished is achieved.

The utility model discloses high-precision locking equipment for circular saw blade machining, which belongs to the technical field of saw blade machining, comprises a rotary hydraulic cylinder and a fixed seat, and is characterized in that a gasket is fixedly arranged on one side, close to the fixed seat, of the rotary hydraulic cylinder, and a connecting seat is fixedly arranged on one side, close to the fixed seat, of the gasket; the end, close to the rotating hydraulic cylinder, of the rotating shaft is fixedly connected with the connecting base, the end, away from the rotating hydraulic cylinder, of the rotating shaft is fixedly provided with a flange plate, a center hole is formed in the center of the flange plate in a penetrating mode, and a pressing disc is arranged on the side, away from the fixing base, of the flange plate. According to the circular saw blade clamping device, in the execution process of the side face grinding procedure, it is effectively guaranteed that the circular saw blade is completely clamped, then the circular saw blade is effectively prevented from being scrapped, and the grinding precision is effectively guaranteed.

The utility model discloses an accurate grinding tool for a generator carbon brush, and belongs to the technical field of carbon brush grinding. Comprising an arc-shaped template and abrasive paper covering the arc-shaped template. A brush carrier is arranged above the arc-shaped template in a sliding mode and slides in the axial direction of the arc-shaped template. According to the utility model, the grinding process of the bottom radian of the carbon brush can be accurately controlled, and the ignition condition of the carbon brush caused by overlarge grinding angle deviation is avoided. Meanwhile, the service life of the generator carbon brush is prolonged, and the self-running-in time after the carbon brush is replaced is reduced, thereby improving the working efficiency.