142results about How to "Precision grinding" patented technology

The invention relates to the technical field of steel structure welding spot polishing, in particular to steel structure welding spot polishing equipment which comprises a base and supporting frames symmetrically and fixedly connected to the top of the base, guide rails are installed at the four corners of the top of the base, an electric lifting plate is installed between the guide rails, and a movable seat is installed on the electric lifting plate. A bidirectional lead screw is twisted to drive a limiting frame to move to the position below an abrasive belt, the limiting frame moves to drive a first push plate to move, the first push plate and the limiting frame move to adjust the grinding width of the abrasive belt, an electric lifting plate is started, and the limiting frame makes contact with a steel pipe; a stepping motor is started to enable a first push plate and a second push plate to push an abrasive belt located between limiting frames downwards to make contact with a welding spot, a driving motor is started to enable the abrasive belt to polish the welding spot position, and therefore under the action of the limiting frames, the first push plate and the second push plate, adjustment of the polishing width of the abrasive belt can be completed according to the width of the welding spot; and therefore, welding spots with different widths can be accurately polished, and the adaptability is improved.

The invention discloses an independent manipulator for a high-temperature environment and a preparation device thereof, and relates to the technical field of manipulators, the independent manipulator comprises a U-shaped frame, a rack and a machining mechanism, a rotator is mounted in the middle of the bottom of the U-shaped frame, a large arm is mounted at the rotating end of the bottom of the rotator through a connecting plate, and a small arm is hinged to the bottom end of the large arm; the machining mechanism comprises a connecting sliding block and a hydraulic cylinder, a round roller is installed at an opening in the outer side of the connecting sliding block in a rolling mode, and a servo motor is installed at the position, close to the round roller, of the outer side of the connecting sliding block. A grinding belt is installed in the middle of the outer circle face of the round roller, and a stirring pin is fixedly installed on the side, away from the servo motor, of the outer circle face of the grinding belt. According to the independent manipulator for the high-temperature environment and the manufacturing device of the independent manipulator, the anti-falling effect is achieved, grabbing is firm, falling is not likely to happen, a polishing device can be adjusted, and polishing is accurate.

The invention discloses a composite slewing bearing soft belt grinding machine tool, and belongs to the technical field of slewing bearing grinding. A composite slewing bearing soft belt grinding machine tool comprises a split rotary table which is horizontally placed on the ground, the split rotary table comprises a driving sliding table and two auxiliary power sliding tables, the split rotary table is arranged at the radial position of a machined workpiece, the three sliding tables are arranged at fixed angles, and the auxiliary power sliding tables are arranged on the driving sliding table. The base is used for placing, clamping and rotating a machined workpiece; the machine tool is mounted on the front side of the split rotary table; and the rotating mechanism is mounted in the moving tail end area of the machine tool. According to the scheme of the machine tool, the idea of multiple degrees of freedom of the robot is continued, the machining end is provided with an upper B shaft and an upper C shaft, more machining poses are expanded through five servo shafts, and multifunctional composite grinding is achieved. The rotary table is suitable for polishing and arranging soft belts of spherical raceways and three rows of cylindrical raceways (inner / outer rings). The split rotary table comprises a driving sliding table and two auxiliary power sliding tables, and the three sliding tables are arranged at a fixed angle; the machine tool is mounted on the front side of the split rotary table; and the rotating mechanism is mounted in the moving tail end area of the machine tool. The split rotary table is used for replacing a traditional large rotary table, the cost of a numerical control system is greatly reduced, the rigidity of equipment is improved on the basis of multi-degree-of-freedom machining, and machining is more stable.

The utility model relates to a steel rail welding seam automatic polishing device which comprises a frame body, a steel rail welding seam automatic polishing device and a steel rail welding seam automatic polishing device. The grinding device is arranged on the frame body and comprises a grinding assembly, a feeding assembly, a transverse moving assembly and a swinging assembly, the feeding assembly, the transverse moving assembly and the swinging assembly are connected to the grinding assembly, the grinding assembly is used for driving a grinding wheel to grind the steel rail, the feeding assembly and the swinging assembly are used for driving the grinding assembly to feed, transversely move and swing, and the feeding assembly is arranged above the grinding assembly; the driving unit comprises a plurality of profiling wheels arranged on the frame body, and the profiling wheels are connected to the steel rail to be polished in a rolling mode; and the power unit is used for supplying power to the grinding device. The feeding assembly is arranged above the grinding assembly, the problem that equipment is jacked up during grinding can be avoided, the grinding stroke can be increased, and the straightness of one meter can be improved.

The invention discloses an intelligent processing machine tool for a belt pulley, and relates to the technical field of belt pulley processing, the intelligent processing machine tool comprises a base, a belt pulley to be polished is arranged above the base, a fixed seat is arranged above the base, a transmission shaft is arranged in the fixed seat, and the end part of the transmission shaft is connected with a rotating shaft of external motor equipment; an air box is arranged outside the transmission shaft, a connecting frame is arranged on the outer wall of the air box, one end of the connecting frame is fixedly connected with the fixing base, a sliding barrel is arranged on the inner wall of the air box, a plurality of protruding blocks are arranged in the sliding barrel, and the outer walls of the protruding blocks make contact with the inner wall of a center hole of the belt wheel. The position of the belt pulley is fixed through the extrusion effect of the multiple protruding blocks on the inner wall of the center hole of the belt pulley, and on the basis that the machining efficiency is guaranteed, the overall grinding quality of the belt pulley is improved.

The utility model relates to the technical field of polishing, in particular to automobile sealing plug polishing equipment which comprises a cross-shaped base, a loading machine table is fixedly installed on the cross-shaped base, a first motor is fixedly installed in the cross-shaped base, and a second motor is fixedly installed in the cross-shaped base. The cross-shaped base and the loading machine table are provided with a limiting assembly used for fixing an automobile sealing plug through a first motor. And a polishing assembly corresponding to the automobile sealing plug is arranged on the loading machine table. According to the utility model, the ball screw which is driven by the first motor to rotate is arranged between the cross-shaped base and the load-carrying machine table, so that the inner clamping piece and the outer clamping piece move in opposite directions, and the automobile sealing plug placed on the load-carrying machine table is clamped, supported and limited; the bearing transverse frame is arranged on the loading machine table, the first motor is used for driving the grinding machine installed on the bearing supporting rod to rotate, and therefore corresponding accurate grinding can be conveniently carried out according to the size or positioning of the automobile sealing plug.

The invention relates to the technical field of building construction equipment, in particular to a prefabricated segmental beam side mold polishing robot which comprises a robot body, a lifting guide frame is arranged on one side of the robot body, a control cabinet is installed at the bottom of the lifting guide frame, and a lifting plate is driven in the lifting guide frame; a mechanical arm of a multi-arm structure is installed on the lifting plate, a mounting plate is fixed to the tail end of the mechanical arm, a multi-directional movable plate is arranged on the outer side of the mounting plate in a driving mode, a grinding module is arranged on the outer side of the multi-directional movable plate and composed of a rotator and a grinding head, and a positioning module is further installed on the mounting plate. The positioning module is composed of a high-precision laser scanner and a visual identification system. The prefabricated segmental beam side mold grinding robot can adapt to formworks of various shapes and sizes, precise grinding is achieved, meanwhile, the good position sensing capacity is achieved, excessive grinding or uneven grinding is avoided, and therefore the quality and production efficiency of prefabricated parts are improved.

The utility model belongs to the technical field of iron workpiece cutting and polishing, and particularly relates to an iron raw material cutting and polishing device which comprises a base. A vertical plate is mounted on the base, a rotating disc is rotatably mounted on the vertical plate in a matched mode through a rotating shaft, a plurality of circular grooves are formed in the rotating disc, the circular grooves are arranged at equal intervals, grinding wheels are rotatably mounted in the circular grooves in a matched mode through rotating shafts, and the grinding thicknesses of the grinding wheels are different. A rotating shaft is installed on the base, a driven gear sleeves the other end of the rotating shaft, a vertical plate is fixedly connected to the base, a supporting plate is fixedly connected to the top of the vertical plate, a first motor is installed on the supporting plate, a driving gear is rotatably installed at the output end of the first motor, and the driving gear is meshed with the driven gear; when the device is used, the grinding wheel can be replaced and ground, the cutting end face can be ground with different finenesses, and therefore it can be better guaranteed that the cutting face is flat and smooth.

The utility model relates to the technical field of engine valves, and discloses a valve rod end grinding machine which comprises a base, a clamping assembly is arranged above the base and comprises a bearing seat, the bearing seat is fixedly connected with the upper portion of the base, the front face and the rear face of the bearing seat are respectively and fixedly connected with two supporting plates, and the supporting plates are arranged on the bearing seat. A clamping plate is elastically connected to the faces, facing each other, of the two supporting plates through springs, the clamping plate is slidably connected with the upper portion of the bearing seat, a pressurizing assembly is arranged on the left side of the bearing seat and comprises a screw rod, the screw rod is rotatably connected with the left side of the bearing seat, and the outer surface of the screw rod is sleeved with a sliding seat in a threaded mode; the right side of the sliding seat is fixedly connected with two pressing strips. And the pressurizing assembly slides rightwards to enable the clamping assembly to clamp the engine valve rod, the engine valve rod can be clamped in the middle, and the effect of facilitating positioning for accurate grinding is achieved.

The invention relates to the technical field of automatic treatment of welding seams, and discloses automatic treatment equipment for welding seams on the inner and outer walls of an anti-corrosion storage tank, which comprises an equipment shell, an operation handle is fixedly connected right above the equipment shell, a driving motor is fixedly connected to the side wall of the equipment shell, and an output rotating shaft is fixedly connected to the output end of the driving motor. A fixing plate is arranged under the equipment shell. When the device is used, the positioning sliding rails on the fixing plate are firstly placed in the anti-corrosion tank, the positioning sliding rails are adjusted so that a welded welding seam can be located between the two positioning sliding rails, the clamping plates can ascend by rotating the lead screw, the clamping plates can be tightly attached to the outer wall of the anti-corrosion tank, and in this way, the positioning sliding rails can be fixed to the inner wall of the anti-corrosion tank conveniently; at the moment, the device is placed in the anti-corrosion tank, a first sliding block under an extrusion rod in an equipment shell is placed on two positioning sliding rails so that the first sliding block can stably slide above the positioning sliding rails, and therefore a grinding part of the device can conveniently and accurately grind a welding seam.

The utility model discloses a small sheet metal stamping part deburring device through laser scanning, which comprises a control cabinet, the upper end of the control cabinet is fixedly connected with a first mounting rack, a Y-axis driving assembly is arranged in the first mounting rack, and the upper end of the first mounting rack is fixedly connected with a multi-point vacuum chuck clamp. According to the metal plate stamping part machining device, a metal plate stamping part can be clamped through the vacuum pump and the multi-point type vacuum suction cup clamp, the laser scanning sensor can be driven to move through the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly, and therefore various size information of the metal plate stamping part can be scanned through the laser scanning sensor; the position coordinate information for driving the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly is generated, a motion control card of a PCI interface installed on the processor can send control signals to a servo driver in the motion control card, servo motors of the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly are driven, and therefore the driving motors are driven to polish the edge of the sheet metal stamping part.

The invention relates to the technical field of wafer polishing, and discloses silicon carbide wafer polishing equipment which comprises a workbench, a motor is fixedly installed in the center of the top of the workbench, a rotary disc is fixedly connected to the top of an output shaft of the motor, a plurality of placing plates are arranged above the top of the rotary disc, and polishing wafers are placed between the upper portions of the placing plates. A lifting assembly is arranged on the outer side of the containing plate, a connecting assembly for fixing a polishing wafer to the position above the rotary disc is arranged at the top of the rotary disc, a plurality of grinding wheels are arranged on the outer side of the rotary disc, and adjusting assemblies for driving the grinding wheels to conduct position adjustment are arranged at the bottoms of the grinding wheels. The paraffin block can be in a molten state after being subjected to high temperature, then the hot electrode pipe is controlled to be closed, the paraffin block in the molten state can be rapidly cooled down and is fixedly connected with the bottom of the rotating disc, and therefore the polishing wafer can be driven to rotate when the rotating disc rotates, and the grinding and polishing process is achieved.

The utility model belongs to the technical field of bearing production equipment, and particularly relates to a spherical bearing production outer ring grinding device which comprises a bottom box, a shell is fixedly mounted at the top of the bottom box, a motor box is slidably mounted at the top of the bottom box, a clamping box is arranged on the right side of the motor box, and a first motor is fixedly mounted on the inner wall of the left side of the bottom box; a wire moving mechanism is arranged between the first motor and the bottom box, and a first seat hole is formed in the top of the bottom box; a second motor is fixedly installed on the inner wall of the left side of the motor box, an output shaft of the second motor is fixedly connected with the left side of the clamping box, and a third motor is fixedly installed on the inner wall of the left side of the clamping box. The bearing outer ring polishing device is reasonable in design, the two-way mechanism and the limiting mechanism are arranged, a bearing inner ring can be extruded and fixed through two anti-skid pads, a bearing outer ring can be prevented from being shielded, and then the purposes that the bearing outer ring polishing range can be enlarged, and the bearing outer ring can be conveniently polished can be achieved.

The utility model provides a nodular cast iron pipe cement lining grinding machine, which relates to the technical field of nodular cast iron pipes, and comprises a clamping component and a sliding mechanism, the sliding mechanism assembled by bolts is arranged above one end of the clamping component, and a grinding mechanism is arranged above the moving end of the sliding mechanism. The sliding mechanism comprises a bolt base, a pedestal plate, a groove box, a gearbox, a driving motor, a worm set, a sliding base, a telescopic canvas cover and a fixed base. According to the pipeline inner wall polishing device, the sliding mechanism is mainly used for carrying out telescopic operation, so that the inner wall of a pipeline can be accurately polished under the joint cooperation of the air cylinder lifting base, the double fixing plates, the rotating motor, the double discs, the adjusting worm, the adjusting base, the connecting rod, the electric rotating base and the polishing wheel which are installed on the polishing mechanism; due to the joint cooperation of the rotating motor, the double discs, the adjusting worm, the adjusting base and the connecting rod, damage to the inner wall of the pipeline caused by swinging of the connecting rod can be avoided, and the intact degree of product grinding is improved.

The utility model provides full-automatic sand blasting equipment applied to a mirror surface, and relates to the technical field of sand blasting processing, the full-automatic sand blasting equipment comprises a sand blasting machine shell, and a middle wedge table with a high rear part and a low front part is integrally arranged in the middle of the sand blasting machine shell; a sand storage bin is fixedly arranged at the top of the sand blasting machine shell; a first electric cylinder is fixedly arranged at the bottom of the middle of the sand blasting machine shell, a transmission frame is fixedly arranged at the telescopic end of the first electric cylinder, and a rotating supporting shaft is rotationally arranged at the top of the transmission frame; a tool disc is arranged, a double-shaft adjusting and driving function is provided, side pistons can contract and gather four sets of fixing clamps through exchange driving of gas, a workpiece is fixed in a self-adaptive mode, a transmission motor is used for driving a rotary supporting shaft to rotate, the circumferential angle of the workpiece is directly adjusted, a first electric cylinder is used for driving a transmission frame to move up and down, and the vertical position of the workpiece is directly adjusted. And through a double-shaft adjustment mode, different positions of the workpiece can be subjected to sand blasting treatment, and the problem that existing equipment lacks a double-shaft position adjustment sand blasting function is solved.

The present invention discloses a brick edge grinding machine and a method for using the same, including a base, an intermediate grinding device, a side grinding device, an adjustment mechanism and a transmission roller table; the transmission roller table is symmetrically arranged on the base, and the transmission roller table is used to drive the two bricks formed after cutting to be transmitted from front to back; the adjustment mechanism is used to drive the transmission roller table on the base to move along the left and right directions; the movement of the transmission roller table can adjust the distance between the two bricks formed after cutting; the intermediate grinding device is installed on the base and is located between the transmission roller tables on both sides; the side grinding device is symmetrically installed on the transmission roller tables on both sides. The present application is provided with the adjustment mechanism, which drives the transmission roller table to move in the left and right directions, so that the transmission roller table drives the bricks it carries to move left and right respectively, adjusts the distance between the bricks, thereby achieving a knife alignment effect, and enables the intermediate grinding device to achieve precise grinding.

The utility model discloses a cover plate adsorption carrier for an auxiliary material film in the technical field of electronic film auxiliary material processing, which comprises a processing table, the upper end of the processing table is fixedly connected with a water surrounding wall, the center of the water surrounding wall is fixedly connected with a processing carrier, the processing carrier comprises a carrier plate, a limiting angle plate, an ejection device and a hollow sucker, and the hollow sucker is fixedly connected with the processing table. Limiting angle plates are fixedly connected to the four corners of the carrier plate, ejection devices are arranged on the inner sides of the limiting angle plates, a hollow suction cup is fixedly connected to the surface of the carrier plate, the lower end of the hollow suction cup fixedly communicates with an air groove channel, and a piston block is slidably connected into the air groove channel in a sleeved mode. The lower end of the piston block is fixedly connected with an electric rod, and the electric rod is electrically connected with a second storage battery. According to the arrangement, the cover plate can be limited and positioned in advance, so that positioning of the cover plate is more accurate, meanwhile, controllable pneumatic adsorption is adopted, taking-down is facilitated, and the situation that taking-down is inconvenient due to a common adsorption mode is avoided.

The invention relates to the technical field of metal processing, and discloses a sofa metal accessory processing device which comprises a base, a supporting seat is fixedly connected to the side wall of the base, an abrasive container is fixedly connected to the interior of the supporting seat, a protective shell is slidably connected to the top of the base, and a clamping mechanism is rotatably connected to the interior of the protective shell. The side wall of the abrasive container is fixedly communicated with an electric control rotary nozzle, a dispersing column, a first fillet block and a second fillet block are driven to synchronously move by matching with rotation of a gear, so that the abrasive is uniformly distributed, blockage is prevented, the first fillet block and the second fillet block scatter the abrasive from two opposite directions, and the service life of the abrasive is prolonged. According to the feeding device, the agglomeration phenomenon of the grinding materials is effectively avoided, the distribution uniformity of the grinding materials in the grinding material container is improved, the risk of blockage is reduced, and the centrifugal scattering feeding assembly is beneficial to improving the working environment of the feeding device and the grinding material container and prolonging the service life of the feeding device and the grinding material container.

The utility model discloses an edge grinding device for processing a protective air-tight door, which comprises a working table, a first supporting piece is arranged on one side of the upper surface of the working table, the first supporting piece is rotatably connected with two groups of first belt wheels, one end of a shaft rod of one group of first belt wheels is connected with a driving assembly, and the two groups of first belt wheels are in transmission connection with an abrasive belt. The abrasive belt can be tensioned through the tensioning assembly, a limiting roller is arranged on the inner side of the abrasive belt, and the limiting roller can move in the horizontal direction through the moving assembly and can also be matched with the lifting assembly to push the abrasive belt to move downwards to make contact with the air-tight door. The limiting rollers can flexibly move in the horizontal direction and the vertical direction, so that accurate polishing of different positions and shapes of the air-tight door is achieved, the flexibility greatly improves the efficiency and accuracy of polishing operation, and due to the fact that the limiting rollers can freely move in the horizontal direction and the vertical direction, the polishing efficiency is greatly improved. Therefore, the device can meet the polishing requirements of the air-tight doors of different sizes and shapes.

The utility model discloses automatic polishing equipment for the end part of a welded pipe, which relates to the technical field of welded pipe equipment and comprises a welding table, two groups of slide rails, a clamping component, the welded pipe, a protective seat, a polishing device and a force application component, the two groups of sliding rails are fixedly arranged on two sides of the top end of the welding table; the clamping assembly can be movably arranged on the sliding rail, and the clamping assembly is used for clamping and fixing the welded pipe needing to be treated; the protective seat is arranged on the outer side of the middle operation area of the welding table; the polishing device can be movably arranged on the inner side of the protection seat in the length direction of the sliding rail; and the force application assembly is arranged on the outer side of the protection base and used for driving the polishing device to move towards the end of the welded pipe on one side. The automatic polishing equipment for the end of the welded pipe has the advantages of being simple in structure, convenient to operate, high in polishing quality, high in efficiency, good in safety and the like, is suitable for polishing the ends of the welded pipes of different specifications, and has wide application prospects.

The invention relates to the technical field of automobile part machining, in particular to an automobile part machining manipulator. The connecting seat is fixedly mounted at the rotating end of the manipulator; the connecting base is of an I-shaped structure, a column body is fixedly installed at the lower end of a horizontal section of the lower portion of the connecting base, and a fixing mechanism and a shaping mechanism are sequentially arranged on the column body from inside to outside. The shaping mechanism and the fixing mechanism are both concentrated on the mechanical arm, extra land occupation is not needed, the utilization rate of factory space is increased, then the brake disc is clamped, lifted and moved through the shaping mechanism and is shaped and straightened at the same time, so that follow-up accurate grinding of the grinding position of the brake disc and follow-up stacking are guaranteed, and the production efficiency is improved. And after the brake disc is straightened, the brake disc is fixed through the fixing mechanism, and the grinding part is avoided during fixing, so that two working surfaces of the brake disc can be ground through one-time fixing, the machining efficiency of the brake disc is improved, and the grinding quality of the brake disc is guaranteed.

The present application relates to a kind of chip glue removal device and glue removal method, its device includes sander, bottom plate, rotating platform and be used for clamping chip clamping linkage mechanism, sander is installed at the one end of the upper surface of bottom plate, rotating platform is slidably arranged at the other end of the upper surface of bottom plate, clamping linkage mechanism is arranged on rotating platform, and can rotate with rotating platform, and clamping linkage mechanism can slide with rotating platform on bottom plate, to approach or away from sander, sander can be polished to the glue of the edge of chip clamped on clamping linkage mechanism remains.By clamping linkage mechanism, chip can be clamped, and the polishing range of chip to sander is adjusted by the sliding of rotating platform to polish, the orientation of chip is adjusted by the rotation of rotating platform, so that the glue on the surface of chip can be removed conveniently by once clamping, simple structure, easy and safe to operate, greatly improve glue removal efficiency, avoid chip damage.

The utility model relates to the technical field of grinding devices, in particular to a wafer production grinding device which comprises a workbench, a first hydraulic cylinder is fixedly installed in the workbench, a lifting plate is fixedly installed at the output end of the first hydraulic cylinder, and a positioning rod is fixedly installed at the bottom end of the lifting plate. A first motor is fixedly mounted on the side face of the lifting plate, and a rotating rod is fixedly mounted at the output end of the first motor. According to the wafer polishing device, the first hydraulic cylinder drives the lifting plate to ascend and descend, the first motor drives the rotating rod to rotate, the clamping plate moves to place and fix a wafer, the second motor and the third motor drive the first lead screw and the second lead screw to rotate and drive the sliding block and the moving plate to move, and the fourth motor is started to enable the polishing piece to polish the wafer. And meanwhile, the first spring on the upper portion enables the wafer to be stressed more evenly, and the wafer is prevented from being broken.

The utility model relates to the technical field of stone handrail machining, in particular to a stone handrail machining device which comprises a base, a machining frame, a fixing assembly, a cutting assembly and a polishing assembly, the existing device needs to manually take down a handrail for polishing after stone machining, time is consumed, and according to the device, the cutting assembly and the polishing assembly are integrated on the machining frame, so that machining efficiency is greatly improved. The stone handrails do not need to be manually taken down and transferred after cutting is completed, grinding can be directly conducted in the machining frame, intermediate links such as carrying are reduced, compared with manual grinding, mechanical grinding is more uniform in force and angle, irregular lines on the surfaces of the stones can be better treated, the product quality is improved, the cutting function and the grinding function are integrated in the same machining device, and the machining efficiency is improved. Seamless connection of the cutting procedure and the polishing procedure is achieved, the continuity of the stone handrail machining process is guaranteed, errors or problems possibly caused by procedure interruption are reduced, and the production stability and the product yield can be improved.

The present invention relates to the technical field of gear ring processing, and discloses a sputtering-proof grinding device for gear ring processing, comprising a grinding box, a transparent observation window hinged on the front side of the grinding box, a supporting leg fixedly connected to the bottom surface of the grinding box, and a bottom plate fixedly connected to the inner surface of the supporting leg. In the present invention, after the gear ring is clamped by four outer ring jaws, it can be more stable during grinding, making the grinding more precise, the outer ring jaws can move toward the center of the turntable to reduce the clamping diameter, and vice versa, the clamping diameter can be increased, thereby clamping gear rings of different diameters, improving the applicability of the device, the inner ring jaws fit with the inner surface of the gear ring, so that the gear ring is clamped on both the inner and outer sides, improving the clamping effect, and further improving the grinding stability, the inner ring jaws stop after contacting the inner surface of the gear ring, and re-clamp the gear ring, thereby being able to clamp gear rings of different widths, further improving the applicability of the device.

The utility model provides a clamping device for part polishing, which comprises a mounting plate, a fixing plate arranged on the upper portion of the mounting plate, a first limiting groove arranged on the upper portion of the fixing plate, a first driving component arranged in the first limiting groove, a first sliding block arranged on the upper portion of the first sliding block, and a workbench arranged on the upper portion of the first sliding block. Second limiting grooves are symmetrically formed in the upper portion of the workbench, second driving assemblies are arranged in the two second limiting grooves, two first clamping mechanisms are arranged on one second driving assembly, and two second clamping mechanisms are arranged on the other second driving assembly. By arranging the two first clamping mechanisms and the two second clamping mechanisms, parts in different shapes can be clamped, and then the parts are more stable in the grinding process.

The utility model discloses a corner pressing machine which comprises a machine base. The supporting module comprises a supporting column and a rotating disc, the supporting column is fixed to the machine base, the rotating disc is rotationally connected with the supporting column, the horizontal cross section of the rotating disc is polygonal, and the upper surface of the rotating disc is used for containing a workpiece to be machined; the corner pressing module is arranged on the machine base and comprises a corner pressing plate and a first driving part, the corner pressing plate is arranged over the rotating disc, the first driving part is connected with the corner pressing plate, and the first driving part is used for driving the corner pressing plate to move in the vertical direction so that the corner pressing plate can be close to or away from the to-be-machined part; the pressure sensor is arranged on the lower surface of the rotating disc, and the pressure sensor is used for detecting the pressure borne by the rotating disc; the first driving piece and the pressure sensor are electrically connected with the control module; according to the corner pressing machine, the workpiece to be machined can be prevented from being damaged, and the working efficiency is improved.

The invention relates to the technical field of welded pipe burr removal, and discloses an inner wall scraper and a machining method thereof.The inner wall scraper comprises a blade conical wall, a blade inner wall and a cutting edge formed by the joint of the top of the blade conical wall and the top end of the blade inner wall, the cutting edge is annularly arranged, and the cutting edge is used for making contact with craters on the inner wall in the welded pipe welding process; the burrs enter the inner wall of the blade through a chip removal inlet formed by annularly surrounding the cutting edge, the included angle between the extension line of the top end of the inner wall of the blade and the top of the conical wall of the blade is a first included angle, and the first included angle is an obtuse angle; the included angle of the longitudinal section of the cutting edge is complementary with the first included angle, and the cutting edge forms a sharp edge; the inner wall of the blade is provided with a chip removal channel which is used for burrs to pass through and is of a conical hole-shaped structure. According to the invention, the sharpness of the cutting edge is improved.

A kind of relative grinding device for the joint surface of valve core and valve bottom of boiler steam soot blower.The boiler steam soot blower works in high temperature and high pressure environment for a long time, frequently act, it is extremely easy to cause valve core, valve bottom wear, cause the internal leakage phenomenon of soot blower.The utility model discloses a valve core fixer and grinding fixer, the grinding fixer is fixed between valve core fixer and soot blower poppet, grinding handle is welded on valve core fixer and longer than the valve core fixer, the inner ring of valve core fixer is in line contact with valve core bottom.The utility model is used for the relative grinding of the joint surface of valve core and valve bottom of boiler steam soot blower.

The present invention relates to the technical field of automobile injection molding repair, and in particular to a defect repair device for automobile interior injection molding. The present invention includes a supporting device, a fixture, a preparatory processing device and an injection device. A material moving device is installed on one side of the supporting device, and a shaping device and a monitoring device are also installed on the supporting device. The supporting device is used to support other structures to facilitate processing operations. The fixture is used to install and fix molds and injection moldings that need to be repaired, which is convenient for repair operations on injection moldings and avoids displacement of injection moldings during processing. The material moving device is used to transfer and transport injection moldings to be repaired, which is convenient for automatic loading and improves equipment processing efficiency. The preparatory processing device is used to perform preliminary processing and repair on the injection moldings to be repaired, which is convenient for subsequent repair and shaping operations. The injection device is used to inject hot melt material into the area to be repaired of the injection molding to achieve automatic material replenishment and repair.