110 results about "Cylindrical grinder" patented technology

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

The invention discloses a vertical internal and external circular grinding machine and a grinding method thereof, and relates to the technical field of grinding machine equipment.The vertical internal and external circular grinding machine comprises a workbench and a disc rotationally connected to the top of the workbench, a supporting frame is fixedly connected to the top of the workbench, and first connecting frames are fixedly connected to the two sides of the supporting frame; a first grinding roller is rotationally connected to the inner side of the first connecting frame, a first driving motor is installed on one side of the first connecting frame, and the output end of the first driving motor is connected with the first grinding roller; and the fixing seats are fixedly connected to the top of the disc, and the number of the fixing seats is four. By arranging the switching assistor, the circular ring workpiece can be clamped through switching of the four pressing blocks in the process that the rotating ring drives the circular ring workpiece to rotate circumferentially, the top of the circular ring workpiece cannot be shielded all the time, and therefore the device can continuously conduct grinding operation, and the grinding efficiency is improved.

The utility model belongs to the technical field of grinding machines, and particularly refers to a center hole-free pressure wheel device; it comprises a first guide wheel seat and a second guide wheel seat which are arranged side by side, a first spindle is rotatably arranged in the first guide wheel seat, and a second spindle is rotatably arranged in the second guide wheel seat, one end of the first spindle and the second spindle are driven to rotate synchronously by a first driving mechanism, and the other end is respectively provided with a first guide wheel and a second guide wheel, a placement position for a workpiece is formed between the first guide wheel and the second guide wheel, a workpiece adjustment frame is arranged on the first guide wheel seat and the second guide wheel seat, a limiting rod which abuts against one end of the workpiece is arranged on the workpiece adjustment frame, a second driving mechanism is arranged on one side of the first guide wheel seat or the second guide wheel seat, the second driving mechanism is connected to the pressure wheel seat, and a pressure wheel which can be pressed onto the workpiece is arranged on the pressure wheel seat; the utility model can be used in conjunction with an ordinary external cylindrical grinder to process a workpiece without a center hole, and can greatly reduce the processing cost compared with the need to use centerless grinding in the prior art.

The utility model is applicable to the technical field of cylindrical grinding machines, and provides a grinding carriage mechanism for a CNC (computerized numerical control) cylindrical grinding machine, which comprises a grinding wheel component, a box body is arranged on the outer side of the grinding wheel component, a scraper component is arranged on the side wall, far away from the grinding wheel component, of the box body, the scraper component is attached to the grinding wheel component, and the scraper component comprises a scraper main body. The end, close to the grinding wheel assembly, of the scraping plate body is provided with a scraping plate tangent plane, the scraping plate tangent plane is attached to the grinding wheel assembly, the end, away from the scraping plate tangent plane, of the scraping plate body is provided with a handle, the handle is connected with the scraping plate body, and a fixing sleeve is installed on the outer side of the connecting position of the handle and the scraping plate body and is in a semi-circular ring shape. A scraper column is installed at the bottom of the scraper body, the end, away from the scraper body, of the scraper column is installed on the box in an inserted mode, in the rotating process of the grinding wheel body, residues on the grinding wheel body can be removed through the cutting face of the scraper, and the purpose that the cutting face of the scraper cleans the grinding wheel body is achieved.

The utility model relates to a three-jaw flexible floating chuck and a small workpiece cylindrical grinding machine. An oil cylinder of the three-jaw flexible floating chuck is a multi-rod hollow oil cylinder, piston rods are distributed at equal intervals, sliding rails are connected with the front ends of the piston rods corresponding to the sliding rails and are in axial sliding connection with the profiling templates corresponding to the sliding rails, inclined grooves serving as sliding plate guide grooves are formed in the sliding rails, and L-shaped guide grooves are formed in the inner walls, located on the outer sides of the sliding plate guide grooves, of the profiling templates. The outer side face of each sliding plate is provided with a profiling guide structure extending into the corresponding L-shaped guide groove, the profiling guide structures on the outer side faces of the sliding plates are in guide fit with the corresponding L-shaped guide grooves of the sliding plates respectively, and the clamping seats are located on the radial inner sides of the mounting plates on the corresponding sliding plates respectively and connected with the mounting plates. Live centers and the floating chucks are arranged on a headstock and a tailstock of the small workpiece cylindrical grinding machine, and the live centers penetrate through the hollow parts of the floating chucks. The small-sized workpiece cylindrical grinding operation requirement of the numerical control grinding machine can be better met.

The present invention discloses a vertical internal and external circular grinding machine and a grinding method thereof, which relates to the technical field of grinding machine equipment and includes: a workbench and a disc rotatably connected to the top of the workbench. A support frame is fixedly connected to the top of the workbench. First connecting frames are fixedly connected to both sides of the support frame. A first grinding roller is rotatably connected to the inner side of the first connecting frame. A first driving motor is installed on one side of the first connecting frame, and the output end of the first driving motor is connected to the first grinding roller; a fixed seat, the fixed seat is fixedly connected to the top of the disc, and there are four fixed seats. By setting a switching auxiliary device, during the process of the rotating ring driving the circular ring workpiece to perform circumferential rotation, the circular ring workpiece can be clamped by four pressing blocks, so that the top of the circular ring workpiece will never be blocked, thereby enabling the device to continuously perform grinding operations and improving the grinding efficiency.

This invention discloses a centerless cylindrical grinding machine device for valve guides, belonging to the field of valve guide grinding. The device is used for infeed grinding of valve guides and includes a machine table, an adjusting frame and a grinding head holder respectively disposed on both sides of the machine table, and a workpiece support frame disposed between the adjusting frame and the grinding head holder and fixedly mounted above the machine table. This invention achieves axial elastic limiting of the valve guide through a clamping assembly and a reversing assembly, and, in conjunction with radial support from the workpiece support frame, effectively suppresses grinding movement and wobble of slender workpieces, improving grinding stability, coaxiality, and dimensional accuracy. After processing, it can automatically switch to a clamping and transfer mode for automatic unloading, achieving a high degree of automation. Simultaneously, cutting fluid can be directionally introduced into the inner hole of the valve guide and overflowed from a high position, forming internal convection heat transfer and significantly improving the cooling effect. After grinding, by flipping the drain hole, residual fluid in the inner hole is quickly drained by gravity, further stabilizing machining accuracy.

The utility model relates to a turning tool for machining irregular taper holes, belongs to the field of machining, and is mainly used for machining various parts. A turning tool for machining irregular taper holes is mainly used for machining irregular taper holes or irregular inner holes and is applied to intermittent machining. The tool manufacturing method is simple, and the turning tool is divided into a tool bar and a blade. After finish machining of a cutter bar raw material, heat treatment, linear cutting and milling of the shape of the cutter bar are carried out, it is guaranteed that the tool cutting edge angle theta 1 is equal to the angle theta 2 of the irregular taper hole, the radial distance r1 between a tool nose and the cutter bar is smaller than the radial distance R1 of the minimum end of the irregular taper hole, the outer circle of the cutter bar is ground through an outer circle grinder, the roughness of the cutter bar reaches 0.8, and finally the cutter bar needs to be subjected to nitriding treatment. The surface hardness and corrosion resistance are improved, SAM440 is selected as the material of the blade, and the heat treatment hardness HRC is 38-45. Through actual production and use, the turning tool is good in effect, and the roughness of the surface of the machined taper hole is good.

The invention relates to the technical field of static pressure grinding machines, and discloses a total static pressure cylindrical grinding machine which comprises a grinding machine body, a static pressure assembly, a circulating assembly and a grinding assembly. Wherein the grinding machine main body is used for supporting the device main body, the static pressure assembly is used for forming an oil film through hydraulic oil to support a rotating main shaft, the circulating assembly is used for circulating the hydraulic oil and cleaning oil stains, and the grinding assembly is used for driving a grinding tool to grind. The hydraulic oil forms a stable and uniform oil film, zero-contact and wear-free rotation of the rotating main shaft is realized, the size precision and the surface smoothness of a machined part are guaranteed, the service life of equipment is greatly prolonged, impurities and oil stains in the hydraulic oil can be efficiently intercepted through the movable filtering and online cleaning functions of the circulating assembly, and the service life of the equipment is prolonged. Equipment clamping stagnation caused by oil way blockage is avoided, the filter screen can be cleaned without disassembly, the shutdown maintenance time is shortened, and the production continuity and the equipment operation reliability are improved.

The application belongs to the technical field of cylindrical grinding machine equipment, and particularly relates to a numerical control high-speed cylindrical grinding machine for workpiece machining, which aims at the problem that the contact position of the polishing assembly in the prior art cannot be moved, thereby affecting the efficiency of the whole cylindrical polishing, and proposes the following scheme, which comprises a grinding machine fixing seat, the top of the grinding machine fixing seat is respectively provided with a workpiece clamping fixed frame and a workpiece clamping sliding frame at both ends, the workpiece clamping fixed frame is fixed through bolts between the grinding machine fixing seat, and the workpiece clamping sliding frame is slidingly installed between the grinding machine fixing seat. The polishing moving blocks at both sides are driven by the driving motor to move the driving gear in the sliding groove in the polishing ring frame, so that the polishing belt is wrapped around the outer cylindrical surface of the workpiece for polishing. When the polishing belt is lowered, the electric push rod is retracted, the tensioning wheel is lifted, the stored polishing belt is released, the area of the polishing belt in contact with the polishing position of the outer cylinder of the workpiece can be adjusted, the polishing effect is improved, and the state of the rotation of the polishing belt also improves the efficiency of the cylindrical polishing.

The invention discloses a high-precision grinding wheel arc dresser for an internal grinding machine and a using method thereof, and belongs to the technical field of dressers. The upper end of the mounting base is connected with the horizontal portion of the fixed outer frame, the rotary inner frame is arranged in the fixed outer frame and hinged to the fixed outer frame through a rotary shaft, and the middle of the rotary inner frame is connected with the diamond pen. The outer sides of the rotating shafts are sleeved with torsional springs, one ends of the torsional springs are connected with the rotating inner frame, the other ends of the torsional springs are connected with the fixed outer frame, studs are coaxially fixed to the outer ends of the rotating shafts and are in threaded connection with the fixed outer frame, and the inner ends of the studs abut against the torsional springs. According to the invention, the influence of the randomness of manual operation on the precision is eliminated, the finishing period is shortened, the consistency of multi-batch processing is improved, and a common operator can efficiently finish the precision finishing operation without professional skills. The limitation of a traditional process is broken through from three dimensions of a mechanical structure, an adjusting mechanism and man-machine interaction, and an innovative tool which is intelligent, efficient and easy to use is provided for the field of precision machining.

The utility model relates to the technical field of internal grinding machines, and discloses an internal grinding machine with an end face grinder, which comprises a working table, a movable frame is slidably connected in the working table, a main shaft is arranged on the front side of the movable frame, a connecting plate is fixedly connected to the bottom of the main shaft, and an internal grinding machine is fixedly connected to the bottom of the connecting plate. A three-jaw chuck is arranged in the workbench, a water tank is fixedly connected to the bottom of the workbench, a spraying and filtering mechanism is arranged in the water tank, and an adjusting and grinding mechanism is arranged on the inner side of the workbench. And through work of a second motor, the situation that a filter plate is blocked is avoided while water flow obtained after spraying is conveniently filtered by the filter plate, and the height of the end face grinding machine is conveniently adjusted through rotation of a threaded rod.

The utility model discloses a workpiece clamping device for a cylindrical grinding machine, which comprises a workbench and the cylindrical grinding machine, and the upper surface of the workbench is respectively provided with a clamping structure capable of clamping a workpiece and a damping structure capable of damping the workpiece. According to the workpiece clamping device for the cylindrical grinding machine, one end of a workpiece is placed among three clamping blocks, then gas enters a mounting cylinder along a gas inlet ring and drives a piston to move rightwards, so that a guide rod and a conical ring can be driven to move rightwards, and when the conical ring moves rightwards, the conical surface of the conical ring is in contact with a guide wheel; according to the device, the conical surface of the conical ring is in contact with the guide wheel, so that the three clamping blocks can be driven to be close to one another, the fit clearance is smaller, the centering of a part can be more accurate, the conical ring and the guide wheel are designed outside, and the clamping blocks can be driven to be close to one another to clamp the workpiece. And when the conical ring and the guide wheel are abraded, the conical ring and the guide wheel can be quickly replaced.

The utility model relates to the field of cylindrical grinding machines, in particular to a cylindrical grinding machine clamp which comprises a workbench, a clamping assembly is arranged on the workbench, a mounting plate is arranged on one side of the clamping assembly, a grinding device is arranged on the other side of the clamping assembly, a sliding plate is arranged on the mounting plate, and two clamping plates are arranged on one side of the sliding plate. By arranging the bidirectional threaded rod, the sliding blocks, the fixing plates, the clamping plates and the like, in the working process, the bidirectional threaded rod part, the sliding block part and the fixing plate part are matched with one another, the bidirectional threaded rod part is adjusted to rotate, the bidirectional threaded rod drives the two sliding blocks to move relatively, and therefore the distance between the fixing plates is changed; and the clamping plates on the two fixing plates are used for carrying out pre-tightening clamping and limiting on the workpiece, and then the clamping plates are matched with the clamping assembly, so that the workpiece is prevented from inclining, and the machining effect and the machining efficiency are improved.

The cylindrical grinding machine with the on-machine measurement function comprises a machine body, a guide rail assembly is arranged on the machine body, and a supporting inclined face facing the rear upper portion is formed at the top of the guide rail assembly. An inclined bottom plate of the installation seat is connected to the supporting inclined face in an attached mode, a buckling plate of the installation seat is buckled to the upper front end of the guide rail assembly, a fixing bolt is arranged in a clamping groove of the installation seat and inclines forwards, and the head of the fixing bolt is buckled to a hook groove. The upper portion of the fixing bolt is in threaded connection with a nut, the nut abuts against the upper side of the upper end edge of the clamping groove, a cylinder body of the oil cylinder is installed on the horizontal top plate, and the outer diameter measuring unit is arranged on the piston rod assembly. According to the utility model, the cylindrical grinding machine can be upgraded and transformed to have an on-machine measurement function, and the working efficiency in the production process of shaft workpieces can be improved. And the oil cylinder is arranged as a guide oil cylinder, so that the measurement accuracy is improved.

The utility model relates to the technical field of cylindrical grinding machines, in particular to a rough grinding feeding mechanism of a cylindrical grinding machine, which comprises a rotating seat, a sliding table connected with the rotating seat at the center position is arranged on the rotating seat, and is characterized in that sliding plates are embedded into the inner sides of the two ends of the sliding table in a sliding manner, and a synchronous driving structure is arranged between the two sliding plates; and the two sliding plates are driven to synchronously move towards the outer side or the inner side, and clamping mechanisms are arranged on the side edges of the two sliding plates. According to the scheme, the two sliding plates are driven by the synchronous driving structure to synchronously move towards the outer side or the inner side, the clamping mechanism is driven to reach the clamping position and the discharging position, the driving effect of the upper rotating base on the sliding table is matched, and therefore feeding and discharging operation of the cylindrical grinding machine is achieved, and feeding and discharging convenience is improved.

The utility model discloses a grinding wheel correction device for application in cylindrical grinding machine relates to cylindrical grinding machine technical field, including the body, the top fixedly connected with workstation of body, the workstation top fixedly connected with guide rail, the outer surface sliding connection of guide rail has headstock, the outer surface sliding connection of one end of guide rail away from headstock has tailstock, and the outer surface of one side close to headstock of tailstock is installed with correction mechanism. The utility model discloses through the pressure ring and the boss, fixes the grinding wheel disc between the cover shell and the baffle, and the positioning column can greatly reduce the time needed to center during installation, can also reduce eccentric situation, guarantees the machining accuracy, and the extrusion elastic ring, the buffer ring and the cushion block can all produce deformation when installing the grinding wheel disc, to reduce the gap on each structure connection, and the key groove on the transmission shaft can prevent the grinding wheel disc from slipping when rotating, so that the surface precision of workpiece is affected.

The invention discloses a taper grinding rotating shaft rotating device of a cylindrical grinding machine, and relates to the technical field of grinding equipment. The taper grinding rotating shaft rotating device of the cylindrical grinding machine comprises a machining table, supporting legs are fixedly connected to the bottom of the machining table, an inclination angle assembly is fixedly connected to the bottom of the machining table, a grinding mechanism is fixedly connected to the top of the machining table, and a cooling mechanism is fixedly connected to the position, located on the left side of the grinding mechanism, of the top of the machining table. According to the taper grinding rotating shaft rotating device of the cylindrical grinding machine, cooling liquid is fed into a connecting pipe through a hydraulic pump and discharged from a notch in the bottom of the connecting pipe, heat dissipation can be conducted on a first outer rotor motor at the same time, then the cooling liquid is discharged to the surface of a grinding wheel from outer row inclined holes through a spiral heat conduction piece, and the grinding wheel is cooled for heat dissipation; and therefore, the cooling liquid can dissipate heat of the ground main working parts, continuous machining of the grinding machine is facilitated, and the machining efficiency is improved.

The invention provides a cam grinding follow-up device based on a cylindrical grinding machine, and belongs to the technical field of grinding machines, the cam grinding follow-up device based on the cylindrical grinding machine comprises a machine tool, a sliding table, a headstock, a rotary ejector pin, a grinding wheel mechanism, a feeding mechanism, an anti-backlash mechanism, a tailstock and a ball screw, the sliding table is slidably connected to the upper end of a guide rail of a machine tool body; the headstock is fixedly connected to the upper surface of the sliding table, and is used for mounting a rotary ejector pin to be connected with the output end of the third motor; the grinding wheel mechanism is used for grinding cams; the feeding mechanism is driven by a first motor to adjust the distance between the grinding wheel mechanism and the sliding table. The gap eliminating mechanism is located above the adjusting mechanism and used for eliminating a transmission gap generated by repeated reversing during cam grinding. The tailstock is positioned on the sliding table and is fixed through a screw rod (the position is adjustable); the ball screw is rotationally connected into the machine tool. The X '-axis carriage is additionally arranged on the X-axis carriage, and the stroke of the X'-axis carriage on the X '-axis guide rail is smaller (generally 5mm-15mm), so that the transmission clearance is very convenient to eliminate.

This invention relates to the field of rubber product processing equipment technology, and more specifically, to a rubber manufacturing cylindrical grinding machine that facilitates waste collection. The machine includes a main body with a protective cleaning structure and a dust removal structure. The protective cleaning structure includes a protective cover and a clamping structure. A mounting plate is provided on the main body, and the protective cover is installed on one side of the mounting plate via bolts. The protective cover has a wall cleaning structure, and the main body has a collection box that slides within the machine via the clamping structure. This invention physically surrounds the grinding area with a detachable protective cover, effectively preventing disorderly debris splashing, protecting the health of operators, and preventing debris from intruding into the precision parts of the machine tool. Its inner wall cleaning structure facilitates maintenance and ensures long-term effective protection. Simultaneously, large debris particles are guided to the sliding collection box below, achieving primary sorting and convenient cleaning of waste.

The invention relates to the technical field of cylindrical grinding machines, and discloses a spiral shaft grinding machine tool and a machining method thereof.A sliding table and a grinding mechanism are arranged on a machine table, a fixing mechanism is arranged on the sliding table, and a locking piece, a baffle, an overturning assembly and an outer hydraulic cylinder are further arranged on the machine table; a rack structure is arranged at the telescopic end of the outer hydraulic cylinder, a gear ring distributed in an arc shape is arranged on the overturning assembly, the cleaning mechanism comprises a cleaning assembly and a reversing assembly, the cleaning assembly is used for cleaning the surface of the metal shaft, and the reversing assembly is used for pushing the cleaning assembly to the ground metal shaft. According to the metal shaft cleaning device, the ground metal shaft can be conveniently cleaned, meanwhile, oil stains, grease, chippings, dust and the like on the metal shaft can be more fully removed, the subsequent laser welding quality is greatly improved, and the effect that the metal shafts with different diameters can be cleaned can be achieved.

The invention discloses a high-speed precise cylindrical grinding machine for slender shaft parts in the intelligent manufacturing equipment industry, which comprises a positioning rotating assembly, a central grinding assembly, an eccentric positioning part, an eccentric grinding mechanism and a crankshaft rod, and a bolt groove seat on the central grinding assembly is in bolted connection with the upper part of one end of a slotting bedplate on the positioning rotating assembly. According to the device, after a first hydraulic arm and a second hydraulic arm are mainly used for output operation, a fixed gear ring runs to the eccentric part of a crankshaft, locking is conducted through a brake rack, and therefore the coaxial operation effect is achieved; and after mutual output of a first gear and a second gear, a co-rotating gear ring and an angle adjusting tooth groove ring rotate, so that after a swing tooth frame is adjusted, a grinding wheel runs to the adaptive radius of a crankshaft, and an effective grinding effect is achieved after a tooth chain transmission strip and the grinding wheel are output and run. And the operation difficulty of a user is effectively reduced, the machining efficiency of equipment is improved, and the machining adaptation requirements of various crankshafts are met.

The application relates to the field of workpiece polishing processing, in particular to a high-precision crankshaft outer circle grinding machine which comprises a bed body, a clamping main shaft arranged on the bed body and used for clamping one end of a crankshaft, a grinding main body arranged on the bed body and used for grinding the outer circle of one end of the crankshaft fixed by the clamping main shaft, the bed body is provided with a clamping auxiliary shaft used for fixing the one end of the crankshaft after polishing, the bed body is provided with a grinding auxiliary body used for grinding the outer circle of the crankshaft fixed by the clamping auxiliary shaft, the circular rotation track formed by the rotation of the one end of the crankshaft clamped by the clamping main shaft around the rotation axis of the clamping main shaft is a rotation circle, the axial direction of the clamping auxiliary shaft is consistent with the axial direction of the clamping main shaft, and a straight line where the rotation shaft of the clamping auxiliary shaft is located passes through the rotation circle, so that after the one end of the crankshaft clamped by the clamping main shaft is polished, the clamping main shaft and the clamping auxiliary shaft rotate to the designated positions of the clamping main shaft and the clamping auxiliary shaft respectively, the clamping auxiliary shaft can clamp the workpiece clamped by the clamping main shaft, and the two ends of the crankshaft can be polished.

The utility model relates to the technical field of polishing, and discloses a photovoltaic sand processing grinding device which comprises a machine shell, a first feeding hopper is fixedly connected to the middle of the top end of the machine shell, a second discharging opening is formed in the lower middle portion of the front side of the machine shell, and a first supporting plate is fixedly connected to the upper middle portion of the machine shell. A first grinding mechanism is arranged at the top of the first supporting plate, guide plates are arranged on the left side and the right side of the interior of the machine shell, the guide plates are located on the bottom side of the first grinding mechanism, scrapers are arranged on the tops of the two guide plates, and the outer sides of the scrapers on the same side are connected with the guide plates through two spring assemblies. According to the photovoltaic sand grinding device, photovoltaic sand subjected to rough grinding through the first grinding mechanism is fed into the second grinding mechanism through the guide plate and the second feeding hopper to be subjected to fine grinding, dust attached to the cylindrical grinder can be shoveled down in the grinding process of the first grinding mechanism, and a scraper is detachable.

The application discloses a tap machining outer circle grinding device and a use method thereof, and belongs to the field of tap machining outer circle grinding devices. The tap machining outer circle grinding device comprises a machine table, a machining cavity in the machine table, and a box door capable of being closed or opened. The tap machining outer circle grinding device and the use method thereof have the following advantages. The feeding assembly is arranged. The positioning member is arranged. The second sliding table cylinder is opened, and the output end of the second sliding table cylinder is outputted, so that the tap on the fourth base plate is pushed, and the tap end to be machined is exposed. The first sliding table cylinder is opened, and the output end of the first sliding table cylinder is outputted, so that the tap on the fourth base plate is clamped and positioned, the tap end to be machined is pushed out, and the outer circle grinding member is arranged, so that the grinding wheel is driven to rotate. The degree of automation of the device is high, the efficiency of loading and unloading is high, and the efficiency of outer circle grinding is improved.

The utility model relates to the technical field of special fixtures, in particular to a special fixture for relief grinding of a relief angle of a rose reamer on a cylindrical grinding machine, which comprises a mounting frame, the mounting frame is of a hollow frame structure without a surface at the front end, a positioning disc is fixed on the inner side of the mounting frame, a positioning cylinder is fixed at the front end of the positioning disc, and the rose reamer is arranged in the positioning cylinder. Side fixing supports are arranged on the outer sides of the two ends of the positioning disc and comprise buckle plates and locking bolts arranged on the buckle plates, inner grooves are formed in the middles of the buckle plates, the locking bolts penetrate through the inner grooves to be fixedly connected with the mounting frame, and the positions of the locking bolts in the inner grooves can be adjusted through the locking bolt structures with springs in the inner grooves. A front fixing support structure is arranged at the front end of the positioning barrel, the effect of supporting the front end of the positioning barrel can be achieved through a combined structure of a bottom frame and a top frame, limiting is conducted through a V-shaped groove structure, and the effect of supporting the positioning barrel and the chamfering tool is achieved.

The cylindrical grinding machine based on the novel flexible abrasive belt comprises a grinding wheel grinding machine base, a placing table, a clamp assembly and a grinding wheel grinding head, a positioning frame is arranged on the right side of the grinding wheel grinding machine base, a window is formed in the positioning frame, and an insertion opening communicated with the window is formed in the front end of the positioning frame. A limiting groove communicated with the window is formed in the rear portion of the positioning frame, a protective door for closing the window is inserted between the inserting opening and the limiting groove, the upper portion and the lower portion of the positioning frame are each provided with a connecting plate, and an abrasive belt tensioning assembly is hinged between the two connecting plates through a hinge assembly. The abrasive belt tensioning assembly comprises a grinding wheel tensioning cover, an abrasive belt positioning wheel, a telescopic air cylinder and a grinding wheel hinge seat, the left side of the grinding wheel tensioning cover is hinged to the connecting plate, the telescopic air cylinder is fixed in the grinding wheel tensioning cover, a piston rod of the telescopic air cylinder is provided with the grinding wheel hinge seat, and the grinding wheel hinge seat is hinged to the abrasive belt positioning wheel. A detachable flexible abrasive belt is connected between the abrasive belt positioning wheel and the grinding wheel grinding head in a sleeved mode. According to the structure, multiple purposes are achieved through one machine.

The invention discloses a cylindrical grinding machine, and relates to the technical field of machine tools, the cylindrical grinding machine comprises a first supporting table, a second supporting table, an operation table, a controller, a workbench, a part body, a grinding wheel, a clamping assembly, a driving assembly and a linkage mechanism, supporting bases are fixedly arranged at the two ends of the bottom of the first supporting table, and the cylindrical grinding machine further comprises a second supporting table, an operation table, a controller, a workbench, a part body, a grinding wheel, a clamping assembly, a driving assembly and a linkage mechanism; the second supporting table is fixedly installed on the outer wall of the top of the first supporting table. The operation table is fixedly installed in the middle of the outer wall of one end of the second supporting table. The controller is fixedly installed on one side of the outer wall of one end of the first supporting table. The workbench is horizontally and fixedly installed on the outer wall of the top of the second supporting table. The part body is horizontally arranged in the middle position over the workbench. The grinding wheel is fixedly installed in the middle of one end of the top of the workbench. The device has the beneficial effects that grinding chippings are cleaned while synchronous linkage of part movement and rotation is achieved, the grinding quality is improved, and operation is convenient and fast.

The utility model discloses a special fixture for a cylindrical grinding machine, which comprises a supporting seat, a first motor is arranged on the supporting seat, a driving end of the first motor penetrates through the supporting seat to be fixedly provided with a fixed disc, a plurality of moving grooves are arranged on one side of the fixed disc, moving seats are movably arranged in the moving grooves, one ends of the moving seats penetrate through the moving grooves to be fixedly provided with clamping blocks, and a moving chamber is arranged in the fixed disc. A moving rod is fixedly arranged at one end of the moving seat, one end of the moving rod extends into the movable chamber and is fixedly provided with two limiting rods, a driving seat is movably arranged in the movable chamber, a plurality of limiting frames matched with the limiting rods are fixedly arranged on the outer side of the driving seat, a plurality of springs are fixedly arranged between the driving seat and the movable chamber, and a positioning block is fixedly arranged at one end of the driving seat; a movable plate is arranged on the supporting base in a sliding mode through a track structure, an ejector pin is rotationally arranged on one side of the movable plate, and a bar workpiece can be positioned while being clamped and fixed.

The utility model discloses a rubber fine pulverizer, which belongs to the field of powder rubber processing and comprises a box body, a feeding port is arranged at the upper end of the box body, a vertical connecting plate is arranged at the upper end in the box body, a crushing device is jointly mounted on the vertical connecting plate and the side wall of the box body, a pulverizing device is arranged at the lower end in the box body, and the pulverizing device is connected with the box body. The grinding device comprises a static grinding disc and a movable grinding disc, the static grinding disc is fixed on the inner wall of the box body, a circular-truncated-cone-shaped grinding area is arranged on the static grinding disc, the movable grinding disc comprises a rotating main shaft and a columnar grinder, the columnar grinder is fixed on the rotating main shaft, and the rotating main shaft is fixed on the rotating main shaft. The two ends of the rotating main shaft are rotationally installed on the upper end face and the lower end face of the box body, the columnar grinder is installed in the grinding area of the static grinding disc, and two sets of symmetrically-installed special spray guns are arranged below the crushing device. And the quality of the powder rubber is improved.