26449results about "Grinding work supports" 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.

Disclosed in the present utility model is a die-cast part machining and grinding device, comprising a machining table. Electric slide rails are mounted on two sides of the upper surface of the machining table; electric sliding blocks are slidably arranged on the electric slide rails; a mounting frame is connected to the top ends of the electric sliding blocks; and a transmission displacement assembly is mounted in the middle of the upper portion of the mounting frame. According to the die-cast part machining and grinding device, when a die-cast part on a bearing table is limited, personnel can first adjust the vertical displacement position of the mounting frame by means of the cooperation between the electric slide rails and the electric sliding blocks, then use the transmission displacement assembly to adjust the transverse displacement position of a grinding piece I so that the grinding piece I can be located above an area to be ground of the die-cast part, and then start a motor II, to make two transmission lead screws I to rotate synchronously by means of the transmission of synchronous wheels and synchronous belts. Since threads of the two transmission lead screws I have opposite preset directions, lead screw slide sleeves II acting with respective transmission lead screws I can move in opposite directions in a transmission state.

To provide a new technique, related to a workpiece processing preparation method before thinning processing, and a workpiece processing method prepared by the same.SOLUTION: A workpiece processing preparation method includes a first resin supply step of laying a first resin on a sheet S, a resin layer formation step of pressing a first plate-like object and solidifying the first resin, then peeling the first plate-like object, and forming a first resin layer 31, a plate-like object installation step of installing a second plate-like object 20 on the upper surface of the first resin layer 31, a second resin supply step of laying a resin 25 on the second plate-like object 20, a second laminate formation step of making a plate-like workpiece W face the resin 25 laid on the upper surface of the second plate-like object 20, pressing and integrating the workpiece W and the resin 25, solidifying the resin 25 by external stimulation, and forming a second laminate 42, and a third laminate formation step of removing the first resin layer 31 and the sheet S from the second laminate 42, and forming a third laminate.SELECTED DRAWING: Figure 5

The present invention discloses a rapid prototyping precision mold manufacturing welding device in the field of mold welding technology, aiming to solve the problems of low positioning efficiency, poor adaptability, reduced precision and unstable quality caused by the separation of welding and grinding in traditional mold manufacturing welding devices. The device includes a workbench, a quick fixing mechanism and a welding and grinding mechanism; a load-bearing frame and a controller are arranged on the top of the workbench; the quick fixing mechanism contains a control turntable, a clamping part, a control part and a driving part, through which the clamping part can be synchronously approached or moved away, adapting to molds of different sizes and improving positioning accuracy and efficiency; the welding and grinding mechanism integrates welding parts and grinding parts, which run synchronously and are located on the same horizontal plane, reducing transportation time and cost, avoiding secondary clamping errors, and improving welding and grinding quality. In addition, the device also has the advantages of stable load-bearing, smooth operation, convenient operation, and a high degree of automation, which can effectively improve the production efficiency and product quality of precision mold manufacturing.

The invention discloses a pipe polishing device for landscaping engineering construction, and particularly relates to the technical field of pipeline machining device.The pipe polishing device comprises a machine table, and the output end of an electric telescopic rod penetrates through the upper end of a supporting frame, extends to the lower end of the horizontal part of the supporting frame and is fixedly connected with a polishing structure slidably connected with the vertical part of the supporting frame; a clamping supporting structure is arranged in the middle of the upper end of the machine table. According to the pipe polishing device for landscaping engineering construction, the supporting assembly is mainly used for assisting third driving motors on the two sides and the polishing assembly to support a pipeline, and meanwhile the two sides of the pipeline are polished through cooperation of the clamping assembly and the polishing structure; the driving assemblies on the two sides follow the action of the grinding structure to drive the clamping assemblies to act so as to support the inner wall of the pipeline, the surface of the pipeline is ground through the cooperation effect of the grinding structure and the sliding support, the pipeline is prevented from shaking through the action of the clamping assemblies, and the grinding precision and the grinding effect are improved.

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

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

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

The invention relates to the technical field of grinding equipment, in particular to an aluminum foil mill roller grinding device which comprises a rack, a centering clamping assembly and a grinding assembly, the centering clamping assembly is arranged on the rack and used for clamping a roller and enabling the roller to rotate around the axis of the roller, and the grinding assembly comprises a shell, a grinding disc, a supporting column and a damping ring. The shell is slidably arranged on the rack, the grinding disc is rotatably arranged on the inner side of the shell, the axis of the grinding disc is horizontal, and the grinding disc can rotate around the axis of the grinding disc. The grinding device is provided with the supporting column and the grinding block, the grinding block is hinged to the periphery of the supporting column, and the grinding block is configured to be capable of rotating so that the grinding face of the grinding block can always keep linear contact with the peripheral face of the roller; therefore, the grinding block is not in linear contact with the roller due to different abrasion losses of the two ends of the grinding block at the grinding contact position of the grinding block and the roller, the grinding quality is guaranteed, and meanwhile the grinding efficiency is improved.

An offline programming method for a full-six-axis CNC rough machining and polishing device. The method comprises: importing a three-dimensional model of a product into CAM software, interactively setting information of a workpiece coordinate system and a tool coordinate system of the three-dimensional model, selecting a route on which an operation is required, and generating path data; importing the three-dimensional model and the path data into offline programming software, and performing simplification processing on the path data; implementing an overall offset function, a single-point offset function and posture adjustment of the path data in the tool coordinate system; implementing simulation running of a tool and collision detection; on the basis of the path data and tool data, generating an NC program conforming to a program standard; and a six-axis device creating the workpiece coordinate system on the product; and monitoring a running state. Therefore, problems such as the polishing programming efficiency of products of complex structures being low, the follow-up reading, modifying and positioning being time-consuming due to the fact that CAM software exports excessive path data, and there being a certain difference between a model generation path and an actual device running path are solved.

The invention relates to the technical field of lens polishing, in particular to a polishing device for optical lens production. Comprising a workbench, the workbench is provided with two driving arms which are distributed up and down, and the driving arms are fixedly connected with polishing discs; and the rotating disc is rotationally connected to the workbench, the rotating disc is slidably connected with a plurality of clamping rods distributed in the circumferential direction, a second motor is installed on the workbench, and the rotating disc and an output shaft of the second motor are in transmission through a second transmission piece. According to the lens polishing device, lenses of different sizes are clamped through the clamping rods distributed in the circumferential direction, the existing mode that the lenses are fixed through glue is changed, the two polishing discs are used for polishing the upper sides and the lower sides of the lenses at the same time, the lens polishing efficiency is improved, and meanwhile the phenomenon that after one face of each lens is polished, glue residues exist on the other face is avoided; therefore, the precision of the lens in use is influenced.

The utility model belongs to the technical field of surface grinding machines, and particularly relates to an auxiliary feeding and discharging mechanism for a surface grinding machine, which comprises a machining table and a feeding box, the feeding box is mounted on the right side of the machining table, a feeding device is arranged in the feeding box, and a feeding device is arranged on the upper surface of the machining table. According to the auxiliary feeding and discharging mechanism for the surface grinding machine, workpieces on the feeding plate are driven to ascend through the feeding unit, then the pushing air cylinder is started to push the pushing plate to move leftwards, and therefore the workpieces on the feeding plate are pushed to the position above the machining table for subsequent grinding machining, manual feeding is not needed, time and labor are saved, and the machining efficiency is improved. The guide rail base is driven to slide leftwards on the electric guide rail, so that a workpiece on a bearing table at the top of the guide rail base is driven to move leftwards for feeding and machining, and after the workpiece moves to the position below the grinding assembly, the two clamping air cylinders are synchronously started to drive the clamping plates to move relatively, so that the workpiece is clamped and fixed, and workpiece displacement in the grinding process is avoided.

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

The invention relates to the technical field of diamond roller machining, in particular to diamond roller mounting inner hole high-precision grinding equipment which comprises a base, a linkage column fixedly connected to the top of the base and a rotary clamping assembly arranged on the base and used for centering and clamping a diamond roller. The lifting plate is provided with an air cooling type grinding assembly which conducts efficient cooling type grinding and assists in inner hole chipping cleaning. According to the diamond roller grinding device, centering clamping treatment is conducted on diamond rollers of different sizes through the rotary clamping assembly, comprehensive efficient grinding treatment of different inner holes is achieved in combination with the air-cooled grinding assembly, the grinding requirements of the diamond rollers of different sizes can be automatically met without additional replacement operation, and through cooperation of the rotary clamping assembly and the air-cooled grinding assembly, the grinding efficiency is greatly improved. And the multi-direction grinding effect can be further achieved, and chippings can be discharged in an auxiliary mode for convenient collection.

The invention relates to the technical field of elbow polishing, and discloses a spheroidal graphite cast elbow casting polishing device which comprises a polishing table, a supporting table and a pair of placing tables are arranged at the top of the polishing table, a bent section of an elbow is placed above the supporting table, a straight section of the elbow is placed above the two placing tables, and motors are arranged on one sides of two ports of the elbow. Output shafts of the motors are fixedly connected with connecting rods, the outer walls of the connecting rods are fixedly connected with a first polishing cutter and a second polishing cutter, the diameter of the first polishing cutter is the same as the outer diameter length of the bent pipe, the diameter of the second polishing cutter is the same as the inner diameter length of the bent pipe, and an adjusting assembly used for driving the two containing tables to conduct position adjustment is arranged below the containing tables. And a chipping removing assembly for treating chippings on the inner wall of the pipeline is arranged on the side, away from the motor, of the second polishing knife, the chippings generated by polishing of the inner wall of the pipeline can be removed in time through the chipping removing assembly, and the situation that the chippings cause unsmooth or blocking of the pipeline, and consequently follow-up use of the bent pipe is affected is avoided.

The invention belongs to the technical field of piston rod machining equipment, particularly relates to a hydraulic oil cylinder piston rod machining device and a method thereof, and aims to solve the problem that an existing hydraulic oil cylinder piston rod machining device cannot integrally grind and polish a piston rod at a time. The bottom of the bearing platform is fixedly connected with the upper side of the base, the upper side of the base is fixedly connected with four symmetrical stand columns, and the upper sides of the four stand columns are fixedly connected with the same top plate. According to the hydraulic oil cylinder piston rod machining device and method, when the piston rod body is ground and polished through the device, fixing points, at the two ends of the piston rod body, of the clamp are switched; and therefore, when the device grinds and polishes the piston rod body, the whole piston rod body can be polished without halting, taking down the piston rod body and then fixing the piston rod body, the machining efficiency of the device on the piston rod body is remarkably improved, and the yield of the device is improved.

The invention discloses a sand injection type inner wall polishing device suitable for different pipe diameters, and relates to the field of pipe inner wall polishing, the sand injection type inner wall polishing device comprises a rough polishing mechanism and a fine polishing mechanism, the rough polishing mechanism comprises a supporting workbench, a tool base and a long-distance polishing assembly, and a three-jaw chuck is rotationally arranged on the tool base; the long-distance grinding assembly comprises a lifting workbench, a long driving shaft and a grinding disc, the grinding disc is coaxially fixed to the long driving shaft, the long driving shaft is installed on the lifting workbench, and the long driving shaft has the rotation freedom degree and the freedom degree of moving in the axial direction of the long driving shaft. The fine polishing mechanism comprises sanding pipes and a polishing base, the two sanding pipes are arranged on the polishing base in the axial direction of the long driving shaft at intervals, a conical hole and a round hole are sequentially formed in one end of each sanding pipe in the axial direction of the sanding pipe, the small-diameter end of each conical hole communicates with the corresponding round hole, a pushing piston is arranged in the corresponding round hole in a matched mode, and the sanding pipes are connected with sand injection pipes and sand discharging pipes. And mechanical grinding and abrasive particle polishing are conducted in sequence, the polishing precision is improved, and the device is suitable for small-pipe-diameter polishing production.

Disclosed is a retainer (10) for processing an optical workpiece. The retainer comprises a holding arrangement (72) and a support assembly (73) for the workpiece. A rubber-elastic membrane (75) mounted on a housing (74) has a retaining section (76), on the outer side (77) of which one surface of the workpiece can be placed to lie flat. The membrane, together with the housing defines a chamber (78) in which a plurality of separately longitudinally movable pins (79) of the support assembly are retained. A pin end (80) of each pin can be brought to bear against an inner side (81) of the retaining portion of the membrane and can be fixed relative to one another by a clamping mechanism (82) against longitudinal movement with respect to the housing. The holding arrangement for the workpiece is provided in or on the retaining section of the membrane.

The present invention relates to the technical field of regulating valve production, and in particular to a precision positioning processing tool for a polysilicon spherical regulating valve core. The technical solution includes: a support seat is provided on the base, and its surface is ground to stably support the valve core from the bottom. No less than three clamping claws are provided around the base to clamp and fix the valve core together with the support seat. The base is equipped with an electric push rod, and its output end is connected to a lifting push block. The lifting push block is embedded with an electromagnet and cooperates with the permanent magnet at the top of the support seat to achieve stable lifting and lowering of the support seat by magnetic attraction, repulsion and spring. The pull rod on the outside of the support seat is connected to the clamping claw at one end, which can drive the clamping claw to open and close as the support seat rises and falls, and accurately adjust the clamping force. The rubber anti-skid layer on the inside of the clamping claw prevents the valve core from sliding and avoiding damage. The annular distribution of the clamping claw allows the valve core to be evenly stressed, and the guide rod and the linear bearing ensure the lifting accuracy of the support seat, thereby achieving precise positioning and stable clamping of the valve core, meeting various processing requirements, and improving processing accuracy and quality.

The invention belongs to the technical field of other metal machining machinery manufacturing, and particularly relates to pipeline inner wall grinding equipment which comprises a machine body, a first guide rail is fixedly connected to the upper surface of the machine body, a first guide groove is formed in the first guide rail, and two sliding tables are slidably connected into the first guide groove; a storage box is fixedly connected to the upper surface of one sliding table, a first hydraulic cylinder is fixedly connected to one side of the storage box, a grinding wheel is arranged at the output end of the first hydraulic cylinder, a positioning table is fixedly connected to the upper surface of the other sliding table, and a limiting ring and a limiting plate are fixedly connected to one side of the positioning table. A limiting groove is formed between the limiting plate and the limiting ring, a grinding assembly is arranged on one side of the first hydraulic cylinder and comprises a motor fixedly connected to the output end of the first hydraulic cylinder, and a positioning disc is fixedly connected to one side of the motor. The problem that metal dust generated during grinding is accumulated on the inner wall of the pipeline, and the pipeline grinding quality is affected is solved.

The utility model relates to the technical field of pipeline processing, in particular to a pipeline fixer for plastic pipeline processing, which comprises a support frame, the surface of the support frame is provided with a first fixing frame and a second fixing frame which are used for clamping a pipeline, the side wall of the support frame is connected with a sliding block in a sliding mode, and the surface of the sliding block is fixedly provided with an annular frame. The side wall of the annular frame is rotationally connected with a rotating ring. The rotating ring and the connecting ring are arranged on the sliding block, the rotating ring and the connecting ring can rotate, when the rotating ring rotates, the polishing mechanism on the surface can be used for polishing the surface of a pipeline, and the phenomenon that the coating effect is affected by dirt on the surface of the pipeline is reduced; and therefore, the pipeline surface coating device is more convenient, and the processing time is saved.

The utility model discloses a grinding device for machining a special-shaped brake pad, and relates to the technical field of grinding equipment, in particular to the grinding device for machining the special-shaped brake pad, which comprises a grinding table, a first motor for controlling the grinding device to move, and a first cylinder positioned at the top of the first motor, a connecting piece is fixed to the top of the first air cylinder through a movable rod, a second air cylinder is installed on the left side of the connecting piece, a second motor is fixed to the left side of the second air cylinder through a movable rod, and an output shaft of the second motor is connected with a grinding disc. According to the grinding device for machining the special-shaped brake pad, chippings generated during grinding of the grinding disc are gathered through the splash-proof cover, the chippings are recycled into the recycling groove through the groove of the grinding table, cooling liquid can also gather the chippings, in addition, the reverse suction phenomenon occurs on the surface of the grinding table through rotation of the draught fan, the chippings can be sucked into the recycling groove, and the chippings can be recycled. Through the treatment, the chippings can be better recycled, and use of the grinding machine is not affected.

The invention provides a shell grinding device for motor production, and relates to the technical field of motor shell grinding, the shell grinding device comprises a mounting frame and a clamping mechanism arranged on the mounting frame and used for clamping a motor shell; a connecting plate is fixedly connected to the mounting frame, an abutting air cylinder is fixedly connected to the connecting plate, an abutting plate is fixedly connected to the end, away from the abutting air cylinder, of an output shaft of the abutting air cylinder, a connecting shaft is rotationally connected to the abutting plate, and a cross connecting frame is rotationally connected to the connecting shaft; according to the square motor shell grinding device, a groove of a square motor can be ground, the quality of the ground square motor shell tends to be consistent, the grinding efficiency of the square motor shell is improved, the grinding efficiency of the square motor shell is improved, and the grinding quality of the square motor shell is improved. And the grinding efficiency can be improved.

The utility model provides a titanium alloy pipe surface polishing device which comprises a machine frame, the upper end of the machine frame is provided with a double-roller transmission machine, a pipe outside polishing machine and a pipe inside polishing machine, the double-roller transmission machine can drive a pipe to be machined to rotate and transmit the pipe forwards, the top of the double-roller transmission machine is provided with a pressing component used for pressing the pipe, and the double-roller transmission machine is connected with the pipe outside polishing machine. The pipe outside polishing machine comprises a first polishing wheel and a second polishing wheel, and the pipe inside polishing machine is arranged in the advancing direction of the pipe, moves relative to the pipe and can extend into the pipe to polish the inner wall of the pipe. The double-roller conveyor is adopted to drive the pipe to rotate and be conveyed forwards, and internal and external polishing is carried out on the same station at the same time. The pipe outside polishing machine polishes the outer wall of the pipe through double polishing wheels, and the pipe inside polishing machine polishes the inner wall of the pipe through a long rod capable of stretching into the pipe. According to the synchronous polishing, the clamping frequency and the station switching time of the pipe are obviously reduced, and the polishing efficiency is greatly improved.

The invention relates to the technical field of manufacturing of textile ceramic parts, in particular to a ceramic yarn guide wheel polishing method. The design key points are as follows: to-be-polished ceramic yarn guide wheels are accommodated in a self-gravity type supply mechanism in a horizontal posture, are stacked and are supplied to a clamping mechanism one by one under the action of self gravity, and in the supply process, the to-be-polished ceramic yarn guide wheels are converted into a vertical posture from the horizontal posture; and after the polishing process is finished, the polished ceramic yarn guide wheel falls into the falling pipe under the action of self-gravity and finally slides into the finished product collecting device. Thus, on one hand, batch feeding can be achieved through the ceramic yarn guide wheel, manual intervention or power input is not needed in the implementation process, and a single worker can simultaneously take multiple mechanical polishing devices into consideration; on the other hand, the supply efficiency of the self-gravity type supply mechanism is extremely high, and the working rhythm of the mechanical polishing mechanism can be met; and on the other hand, the design concept of automatic discharging of the polished ceramic guide yarn is achieved.

The invention discloses a grinding and polishing device for stainless steel pump production, and particularly relates to the technical field of stainless steel pump machining and production, the grinding and polishing device comprises a cabinet body, a working cavity is formed in the cabinet body, and the bottom of the working cavity is of an arc structure close to the middle. According to the grinding and polishing device for stainless steel pump production, the abrasive belt is used for grinding the surface of a pump body shell, the abrasive belt is flexible and can be wrapped, the grinding and polishing device is very suitable for grinding the arc surface of the pump body shell, and due to the flexibility of the abrasive belt, the abrasive belt has certain self-adaptive capacity when pressed on the curved surface of the pump body shell; the pump body shell curved surface polishing device can effectively increase the contact area of pump body shell curved surface polishing, improves the polishing efficiency, protects the shape of the shell curved surface, avoids the condition of edge polishing, and is wide in polishing range, higher in practical value and suitable for popularization and application. And the situation that when a traditional grinding disc is used for grinding the shell, the shell deforms and is damaged due to rigid impact is avoided.

The invention relates to the field of valve machining, in particular to an inner wall grinding device for valve machining. The inner wall grinding device for valve machining comprises a workbench. The horizontal moving assembly is correspondingly installed in two moving grooves formed in the top of the workbench, and the horizontal moving assembly can move in a reciprocating mode in the length direction of the moving grooves; and the grinding piece is arranged above the horizontal moving assembly, and after the horizontal moving assembly drives the grinding piece to stretch into the inner cavity of the valve, the grinding piece can conduct grinding operation on the inner wall of the valve. According to the inner wall grinding device for valve machining, a first electric push rod in a contraction piece drives an adjusting rod to move, the included angle of a contraction rod is changed in cooperation with a traction rod, an abutting piece and a grinding piece can be driven to expand or contract in the radial direction, the radial opening amplitude of a mounting plate is flexibly adjusted, and the inner wall grinding device can meet the grinding requirements of valves with different inner diameter specifications; the polishing assembly does not need to be replaced frequently, and operation cost and time cost are reduced.

The invention is suitable for the technical field of polishing treatment, and provides a metal pipe fitting groove pre-welding fine polishing treatment device which comprises a positioning assembly, a rotating assembly installed in the positioning assembly and an adjusting assembly connected to one end of the rotating assembly, and the rotating assembly is used for driving the adjusting assembly to rotate. The adjusting assembly is used for polishing the end of a metal pipe fitting, the positioning assembly comprises a workbench, two box bodies are symmetrically connected to the top of the workbench, and a three-jaw chuck is arranged on the side wall of one of the box bodies. According to the device, a U-shaped base and a telescopic air cylinder are arranged, a bearing plate is driven to drive a chamfering mechanism to move, a scraper walks and conducts machining according to the shape of the end of a pipe fitting, and the requirement for machining of grooves of different shapes is met.

The invention belongs to the technical field of bearing machining equipment, and particularly relates to a bearing inner ring grinding device which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a first supporting frame, the interior of the first supporting frame is fixedly connected with a discharging frame, and the upper surface of the bottom plate is rotationally connected with a first rotating disc; a second rotating disc is rotatably connected into the first rotating disc, a clamping plate is slidably connected into the second rotating disc, the clamping plate comprises a transverse end, a grinding mechanism is arranged on the upper surface of the bottom plate and comprises a shell, a rotating plate is rotatably connected into the shell, and a shifting rod is fixedly connected to the lower surface of the rotating plate. The lower surface of the shell is rotationally connected with a grinding roller. According to the device, through reverse rotation of the bearing, the grinding roller makes more sufficient contact with the inner wall of the bearing, local over-grinding or under-grinding caused by one-way rotation is avoided, and the grinding effect is improved.

The invention relates to the technical field of forging polishing, in particular to automatic forging polishing equipment which comprises a machine tool, a first sliding seat and a second sliding seat located on the left side of the first sliding seat are slidably mounted on the upper end face of the machine tool through a sliding rail, and an alignment mechanism is arranged on the first sliding seat. An alignment, bearing and grinding integrated operation model is adopted to complete automatic grinding operation on the surface of the half shaft, when the half shaft is ground, a grinding roller and an extrusion roller carry out stable three-point supporting on a grinding part of a shaft rod of the half shaft, and self-adaptive circumferential extrusion is carried out on the shaft rod along with the change of the grinding position, so that the surface of the half shaft is ground. Meanwhile, the spring telescopic rods are used for locking the positions of the grinding roller and the extrusion roller, a triangular stable structure is provided, the half shaft is effectively prevented from shaking and shifting, it is ensured that the pressure of the grinding roller is evenly distributed, the grinding quality and efficiency are remarkably improved, the surface roughness is reduced, the fatigue strength of the half shaft is improved, and the service life of the half shaft and equipment is prolonged; and the grinding automation degree and the production efficiency are improved.