157 results about "Centerless grinding" patented technology

The invention relates to the technical field of grinding wheel monitoring, in particular to a centerless grinding machine full-life-cycle grinding wheel state monitoring system and method.According to the centerless grinding machine full-life-cycle grinding wheel state monitoring system and method, through combined difference extraction of a main shaft current mean value fluctuation ratio and a power gradient continuous variation value and assisted by transverse comparison of periodic response intervals, effective recognition of time period boundaries of working condition states is achieved; according to the method, operation stage division does not depend on static threshold judgment any more, a track trend is established through linkage judgment of an amplitude kick point and a slope extreme value, a dynamic evolution path of signal response is clearer, the identification resolution of abnormal changes and local deviation trends is improved, response synchronous identification of parameter state changes is achieved, and the identification accuracy is improved. In multi-signal collaborative analysis, directivity comparison between a temperature rise mutation fragment and a current residual error response is carried out, so that the consistency analysis capability of response logic between different monitoring paths is enhanced, and the real-time performance, stability and anti-interference capability of state identification are improved.

The invention relates to the technical field of industrial control, in particular to an intelligent centerless grinding machine cooling system and method for difficult-to-machine materials, and the system comprises a multi-source sensing unit, an edge calculation module, a decision center module, a precise execution module and a digital immune memory bank; compared with the defects that in the prior art, monitoring depends on a single temperature sensor, thermal field sensing is incomplete, thermal damage early warning lags behind and the like, according to the scheme, grinding power frequency spectrum, acoustic emission signals, triaxial vibration and coolant mass spectrum data are collected in real time through a multi-source sensing unit, and a micron-sized temperature field is reconstructed in combination with an edge end space-time diagram convolutional network; full-dimensional monitoring of the grinding thermal-mechanical coupling effect is achieved, and thermal anomaly recognition sensitivity and early warning timeliness are remarkably improved.

The invention discloses a centerless grinding machine grinding wheel guide wheel center height and end face combination adjusting device and a centerless grinding machine, which realize the adjustment of the center height and end face parallel difference of a guide wheel and a grinding wheel, simplify the adjusting process and reduce manual intervention, thereby improving the production efficiency. According to the centerless grinding machine, a guide wheel frame of the centerless grinding machine achieves grinding angle rotation through an eccentric rotation shaft, the eccentric rotation shaft is provided with a centering sliding block, and axial displacement adjustment of a guide wheel main shaft system is achieved through a sliding block displacement adjusting device. A grinding wheel spindle system is arranged on one side of the guide wheel spindle system; an eccentric shaft fastening screw is arranged on the guide wheel main shaft system and is used for fastening the guide wheel frame and the eccentric rotating shaft into a whole; the centering sliding block and the sliding block displacement adjusting screw rod are both installed in the guide wheel frame installation fixing body, the centering sliding block is matched with the fixing body sliding groove, one end of the sliding block displacement adjusting screw rod is connected with the centering sliding block, and the other end of the sliding block displacement adjusting screw rod extends out of the guide wheel frame installation fixing body and is connected with the adjusting screw rod fixing frame.

The utility model provides a tool for a centerless grinding machine to grind bars and wires, and relates to the technical field of metal bar and wire machining, the tool comprises a tool bottom plate and a feeding lifting frame, and the tool bottom plate and the feeding lifting frame are connected through a supporting seat component; the feeding lifting frame comprises an upper guide pressing plate and a lower guide supporting plate which are fixed through a hooping device, the upper guide pressing plate and the lower guide supporting plate are provided with an upper nylon damping plate and a lower nylon damping plate respectively, and a spindle-shaped clamping hole is formed between the upper nylon damping plate and the lower nylon damping plate in a linear penetrating mode in the length direction. The ratio of the length of the feeding lifting frame to the height of the spindle-shaped clamping hole is larger than 50: 1. The upper nylon damping plate and the lower nylon damping plate are used for clamping the to-be-machined metal bar and wire, soft fixing is achieved, based on large-size fixing that the ratio of the length of the feeding lifting frame to the height of the spindle-shaped clamping hole is larger than 50: 1, the bending phenomenon of the to-be-machined metal bar and wire is prevented, straightening is carried out in advance, and straightening cannot directly affect the surface quality of the to-be-machined metal bar and wire.

The application discloses a preparation method of a zirconium alloy rod for a nuclear fuel assembly end plug, and comprises the following steps: first, a zirconium alloy forging rod is subjected to machining and lubrication, heated and kept warm, and then extruded, and after extrusion, the extruded rod blank is obtained by sequentially performing straightening and polishing treatment; second, the extruded rod blank is heated and kept warm again, and then subjected to multi-pass hot rolling, and after hot rolling, the hot-rolled rod blank is obtained by centerless peeling; third, the hot-rolled rod blank is subjected to multi-pass pilger two-roll cold rolling to obtain a cold-rolled rod blank; fourth, the cold-rolled rod blank is subjected to vacuum annealing treatment to obtain an annealed rod blank; and finally, the annealed rod blank is subjected to finishing treatment, which sequentially comprises straightening, centerless grinding and degreasing, so that the target product is obtained; and the key parameters such as temperature, holding time and deformation amount of each step are strictly controlled. The preparation method breaks through the key technology of long rod cold rolling, realizes large plastic deformation of the zirconium alloy rod, significantly reduces deformation passes and intermediate heat treatment, and thus breaks through the problems of non-uniform structure, low production efficiency and insufficient product precision and the like existing in the traditional process.

The invention relates to the technical field of industrial machine tools, discloses an integrated quartz tube processing machine tool based on flexible traction, and aims at solving the problems that when a centerless grinding machine supports a quartz tube through line contact, due to the fact that the surface of a workpiece protrudes abnormally, limiting is poor, movement is prone to occurring, and the processing quality is affected. A guide wheel and a polishing wheel are arranged at the top; an arc-shaped opening is formed in the guide wheel, a flexible traction assembly is arranged in the guide wheel, the guide wheel comprises a flexible conveying belt, two groups of symmetrical limiting assemblies are arranged in the guide wheel and are supported from the inner wall of the flexible conveying belt, so that a semi-wrapped quartz tube workpiece is in surface contact, and a yielding assembly is arranged at the end part of each limiting assembly and comprises a telescopic inner column, an outer cylinder and a proximity sensor; according to the machine tool, the supporting area is enlarged through surface contact, the stability is improved through local yielding of the limiting assembly, targeted polishing and automatic reset of protrusions are achieved in combination with the proximity sensor, the machining precision and smoothness of quartz tubes are improved, the cracking risk and the rejection rate are reduced, and the production efficiency is optimized.

The utility model discloses a centerless grinding machine with a cooling liquid circulating mechanism, which relates to the technical field of machining equipment and comprises a machine body, a control cabinet is fixedly connected to the left side of the machine body, and a guide wheel is fixedly connected to the right side of the top end of the machine body. According to the centerless grinding machine with the cooling liquid circulating mechanism, through the arrangement of the first centrifugal pump, the cooling box, the booster pump and the liquid spraying nozzle, when the centerless grinding machine is used, cooling liquid is sprayed out of the liquid spraying nozzle, high-temperature deformation of workpieces is prevented, the sprayed cooling liquid is gathered downwards and falls into the water receiving pipe, and the cooling liquid is pumped into the cooling box through the first centrifugal pump after being filtered in the filtering box; and finally, the heated cooling liquid is cooled again through cooling inside the cooling box and heat dissipation outside the fan, the cooled cooling liquid is pumped into the sterilization box through the second centrifugal pump, the filtered and cooled cooling liquid in the sterilization box is pumped into the booster pump through the liquid pumping pipe again during next grinding, the cooling liquid is sprayed out downwards from the liquid spraying nozzle, and circulation is repeated.

The utility model relates to a workpiece support of a centerless grinding machine, and relates to the technical field of grinding machines. The workpiece support of the centerless grinding machine comprises a cutting board support and a feeding board support, feeding boards are fixed to the feeding board support, a feeding channel used for conveying workpieces is formed between the two feeding boards, the cutting board support comprises a fixing block and a lower cutting board, the fixing block is fixed to a base of the centerless grinding machine, and the lower cutting board is fixed to the side, away from a guide wheel of the centerless grinding machine, of the fixing block. The feeding plate support comprises a fixed base fixed to a centerless grinding machine base and two coarse adjusting blocks, the two feeding plates are fixed to the upper ends of the two coarse adjusting blocks respectively, a protruding block in the width direction of the feeding channel is fixed to the upper end of the fixed base, and sliding grooves allowing the protruding block to slide are formed in the lower ends of the two coarse adjusting blocks. First fasteners are arranged on the coarse adjusting blocks, and after the two coarse adjusting blocks slide to adjust the distance between the two coarse adjusting blocks, the coarse adjusting blocks and the fixed base are fixed through the first fasteners. The feeding device has the effect of conveniently adjusting the width of the feeding channel.

The automatic feeding device comprises a feeding base assembly connected with the centerless grinding machine, a linear vibrator is arranged at the upper end of the feeding base assembly, an automatic feeding rail is arranged at the upper end of the linear vibrator, a feeding groove is formed in the upper end of the automatic feeding rail, and a feeding groove is formed in the lower end of the automatic feeding rail. The cross section of the feeding groove is in a funnel shape. According to the automatic bar grinding machine, manual feeding is changed into manual feeding, then the straight vibration automatic feeding device is used for feeding, the labor intensity of production personnel is greatly reduced, operation is easy and convenient, the safety performance is high, only a plurality of bars need to be manually placed on the feeding track, the bars enter the machine along with vibration of the feeding track for grinding, and the production efficiency is greatly improved. Meanwhile, manual feeding is replaced with mechanical feeding, the quality problem caused by carelessness of workers is avoided, the production quality can be guaranteed, the production efficiency can be improved, and production personnel can reasonably arrange the operation time.

The utility model relates to a polishing machine material supporting device discloses a centerless grinding machine material supporting and conveying device, including the material discharging box and the fixed plate, the top fixed connection of fixed plate has drive assembly, the top fixed connection of drive assembly has the connecting plate, the top fixed connection of connecting plate has a plurality of stockpile board, the inside fixed connection of material discharging box has a plurality of placement board, the rear side fixed connection of material discharging box has power assembly, the outside fixed connection of power assembly has abrasive roller, the left side fixed connection of power assembly has the rotating wheel no.

A method for fabricating a segmented electrode is provided. The method includes performing a series of progressive die stamping operations on a foil sheet of material to form an initial electrode, and removing portions of the initial electrode using a centerless grinding process to form a segmented electrode including a plurality of circumferentially spaced contacts.

An Inconel 718 dodecagonal countersunk bolt upsetting technology is characterized by comprising the following steps that blanking is conducted, specifically, blanking is conducted through a lathe according to the actual use length and diameter of a bolt; core grinding is conducted, specifically, the outer circle of the blanked blank is ground; lubricating: the blank subjected to centerless grinding is lubricated by adopting copper plating; and upsetting is conducted, specifically, the lubricated blank piece is heated and put into an upsetting mold after reaching the set temperature, upsetting is conducted through a punching machine, the columnar blank piece is subjected to one-time upsetting forming, and the bolt polish rod is machined. According to the technology, one-time upsetting forming can be achieved, the defects caused by traditional multiple-time upsetting forming are overcome, the consistency of the part size and the product quality can be guaranteed, the production efficiency can be improved, the cost can be reduced, and the technology has very high practicability and is suitable for being vigorously popularized.

The utility model relates to the technical field of bearing ring production, and provides a bearing ring centerless grinding machine which comprises a base, the top of the base is fixedly connected with a containing groove, one end of the containing groove is fixedly connected with a first spring, a baffle is arranged, the baffle can limit the bearing ring at the position of the groove, and therefore the bearing ring can be fixed. The bearing ring is placed in the containing groove and is prevented from moving out of the containing groove, then an electric push rod is opened to push a push block forwards, the push block immediately applies thrust to the bearing ring placed in the containing groove to a containing plate, and due to the fact that one side of a baffle is an inclined face, when the bearing ring moves under thrust, the baffle is controlled through the inclined face of the baffle to extrude a second spring, and the bearing ring is prevented from moving out of the containing groove. The bearing rings are arranged in the containing grooves and hidden in the containing grooves, the bearing rings can conveniently move out of the containing grooves, and after one set of bearing rings is pushed out, the first springs push the remaining bearing rings forwards immediately, so that the next set of bearing rings abut against the containing grooves, and preparation is made for pushing.

A composite type pneumatic positioning material returning device suitable for a centerless grinding machine is characterized in that a front positioning component is installed at the front end of a tool apron of the centerless grinding machine and comprises a front positioning air cylinder, a front positioning horizontal adjusting plate and a front positioning vertical adjusting plate, and the front positioning horizontal adjusting plate is fixed to the front installation face of the tool apron of the centerless grinding machine through screws; the front positioning vertical adjusting plate is fixed on the front positioning horizontal adjusting plate mounting surface, and the front positioning cylinder is fixed on the front positioning vertical adjusting plate mounting surface; the rear positioning material returning component is installed at the rear end of the centerless grinding machine tool apron and comprises a material returning push rod, a material returning air cylinder and a positioning air cylinder, the material returning push rod is installed in two vertical adjusting plate installation holes through two oilless bearings, and a push rod fixing plate and the tail end of a piston rod of the positioning air cylinder are fixed through a screw and a nut. The tail end of the positioning cylinder barrel is fixed to the tail end of the material returning cylinder piston rod through a transition connecting plate. The pneumatic front positioning device and the positioning material returning device are used for achieving end face grinding and positioning material returning.

The utility model relates to the technical field of automobile part machining equipment, in particular to a centerless grinding machine for automobile part machining, which comprises a box body, a body and a filter component, the body is mounted above the box body, the filter component comprises a mounting rail, a sliding frame, a fixing plate, a fixing component, filter cotton and a limiting component, and the mounting rail is fixedly connected with the box body. The sliding frame is connected with the mounting rail in a sliding mode and located on the side, away from the box body, of the mounting rail, the fixing plate is fixedly connected with the sliding frame and located on the side, away from the mounting rail, of the sliding frame, the filter cotton is connected with the fixing plate through the fixing component, the fixing component fixes the filter cotton, and the limiting component is installed on the box body. And the limiting component limits the movement of the sliding frame, so that the filter cotton can be replaced more conveniently, and the working efficiency is improved.

The utility model relates to the technical field of cylindrical grinding devices, in particular to a centerless grinding cut-in tool rest which comprises a machine frame, and the machine frame is provided with a base and a supporting frame. The outer circle cutter is mounted at the upper end of the supporting frame through a mounting seat; the hinge seat is mounted on the side wall of the support frame and is arranged opposite to the mounting seat; the middle of the hinge assembly is connected with the hinge seat in a hinged mode, one end of the hinge assembly is connected with a synchronous rotating assembly, the synchronous rotating assembly is used for abutting against a workpiece, and the other end of the hinge assembly is provided with an abutting assembly and a reset assembly. The abutting assembly and the reset assembly are located on the two sides of the end of the hinge assembly respectively. The synchronous rotating device is tightly attached to the workpiece and rotates synchronously with the workpiece, and the concentricity of the workpiece is improved.

The utility model discloses a guide wheel driving and transmission mechanism of a centerless grinding machine. The guide wheel driving and transmission mechanism comprises an upper sliding plate, a servo driving motor, a worm and gear speed reducer, a chain transmission shaft, a driving chain wheel, a transmission chain, a driven chain wheel and a guide wheel main shaft, the upper sliding plate provides a guide wheel spindle seat to be mounted on a sliding plate mounting surface in the centerless grinding machine and is matched with a feed screw to adjust the feed distance of a guide wheel; the servo driving motor is connected with the worm and gear reducer, the worm and gear reducer is connected with the chain transmission shaft, the chain transmission shaft is installed in the bearing supporting seat through the front bearing set and the rear bearing set, the driving chain wheel is installed at the tail end of the chain transmission shaft and connected with the transmission chain, and the transmission chain is connected with the driven chain wheel. The driven chain wheel is installed on the guide wheel spindle to drive the guide wheel. The transmission device is stable in transmission and small in assembling and machining difficulty, and the purposes of stable transmission, cost reduction and efficiency improvement are achieved.

The utility model relates to the technical field of centerless grinding machines, and discloses a centerless grinding machine quick replacement die which comprises a grinding machine base and a die holder, first sliding grooves are formed in the two sides of the top end of the grinding machine base respectively, a set of electric control telescopic columns are embedded in the two first sliding grooves respectively, a first limiting frame is installed at the output end of each set of electric control telescopic columns, and a second limiting frame is installed at the output end of each set of electric control telescopic columns. And a group of first rollers are rotationally arranged on the inner sides of the two first limiting frames, and second limiting frames are mounted on one sides of the two first sliding grooves correspondingly. According to the utility model, when the die holder needs to be taken down, the electric control telescopic column extends out to enable the first limiting frame to move upwards, so that the positions of the first roller and the second roller are flush, and then the die holder is pulled outwards, so that the die holder can be taken out, and when the die holder is installed, the two sliding blocks at the bottom end of the die holder are inserted into the tops of the two second limiting frames at the same time; and then the mold base is pushed to the tail end of the first sliding groove, and finally the electric control telescopic column is contracted to the tail end.

The invention provides a lens processing method, and relates to the technical field of optical manufacturing. The lens processing method comprises the following steps: annealing a crystal bar grown from a single crystal; cutting the crystal bar along the radial direction of the crystal bar to obtain a plurality of coarse crystal sections; nesting is conducted on the coarse grain sections in the axial direction of the coarse grain sections to obtain a plurality of fine grain sections; grinding the fine crystal section by using a centerless grinding machine to obtain a blank crystal section; cutting the blank crystal section along the radial direction of the blank crystal section to obtain a plurality of blank wafers; and milling and grinding the blank wafer to obtain the lens. Wherein the annealing of the crystal bar can eliminate internal stress generated in the single crystal growth process; a centerless grinding machine instead of a cylindrical grinding machine in a traditional scheme is used for grinding the fine grain section, and mechanical stress borne by the two ends of the fine grain section when the cylindrical grinding machine conducts axis positioning on the fine grain section can be eliminated. That is to say, thermal stress and mechanical stress in the lens machining process can be effectively reduced, the lens is prevented from being broken in the machining process, the qualified rate of the lens is increased, and the quality and performance of the lens are guaranteed.

The invention relates to the technical field of centerless grinding machines, in particular to a centerless grinding machine grinding wheel high-steady-state finishing control method which can stably finish a high-precision grinding wheel in the dynamic process, a machine tool is provided with an MPM dynamic balancing instrument and adopts a marble lathe bed, and a three-phase asynchronous motor or a spindle motor is selected as a grinding wheel motor. A servo motor with the rated rotating speed of 3000r / min is selected as a diamond roller motor; in the process of dressing the grinding wheel by the diamond roller, the same-direction dressing mode that the linear velocity value VRlr when the spindle of the diamond roller rotates divided by the linear velocity value VGW when the spindle of the grinding wheel rotates is a fixed value qd is adopted; the dressing feeding of the grinding wheel dresser is controlled by a U shaft, and a fixed grinding wheel dressing amount is carried out each time of dressing.

The invention relates to centerless grinding equipment and a technology thereof, and relates to the technical field of centerless grinding equipment.The centerless grinding equipment comprises a rack, a conveying belt, a material receiving disc, a grinding system, a carrier roller system, a supporting system and a transferring system.The conveying belt and the material receiving disc are installed on the two sides of the rack respectively, and the grinding system and the carrier roller system are oppositely installed at the two ends of the rack; a grinding position is formed between the grinding system and the carrier roller system, the supporting system is located at the grinding position, the transferring system moves among the conveying belt, the grinding position and the material receiving disc, the supporting system comprises a clamping device, a jacking vibration device and a rotation stopping sensing device, and the clamping device is installed on the rack and provided with a limiting end. The rotation stopping sensing device is installed on the clamping device, the jacking vibration device is installed on the rack and located at the limiting end, the jacking vibration device is electrically connected with the rotation stopping sensing device, the jacking vibration device is arranged on the lower side of the limiting end, the top of the jacking vibration device is inclined, and the quality of a middle pipe workpiece is guaranteed.

An automatic centerless grinding device comprises a machining mechanism, a feeding mechanism and a feeding and discharging mechanism. The processing mechanism comprises a supporting seat, a grinding wheel and a guide wheel; during machining, the guide wheel makes contact with the workpiece to drive the workpiece to rotate, and the grinding wheel grinds the surface of the workpiece. The feeding mechanism comprises a first feeding belt and a material disc, the material disc is used for containing workpieces, and the first feeding belt is used for conveying the material disc. The feeding and discharging mechanism is used for transferring the workpieces from the material disc to the workpiece supporting base for machining and transferring the machined workpieces from the workpiece supporting base to the material disc. Compared with the prior art, full-automatic feeding, machining and discharging can be achieved, the machining efficiency is remarkably improved, and the labor intensity of workers is reduced.

The nickel-titanium wire precise positioning device for the precise centerless grinding machine comprises a grinding machine tool, a first grinding machine and a second grinding machine are arranged on the upper end face of the grinding machine tool respectively, the first grinding machine and the second grinding machine are both connected to the grinding machine tool in a sliding mode, and a display screen is fixedly arranged on the outer wall of the grinding machine tool. A positioning assembly is arranged between the first grinding machine and the second grinding machine, the positioning assembly comprises two positioning seats, V-shaped frames and a two-way screw rod, the two positioning seats are symmetrically arranged at the upper end of the grinding machine tool, the V-shaped frames are arranged at the upper ends of the two positioning seats, and the two-way screw rod is arranged at the lower end of the two positioning seats. The two ends of the two-way lead screw are rotationally installed in the two V-shaped frames, nickel-titanium wires of different sizes can be conveniently ground while the nickel-titanium wires are accurately positioned, the height of the nickel-titanium wires is adjusted so that the nickel-titanium wires can be located at the optimal grinding position in the grinding process, and practicability is achieved.

The invention discloses a quartz long rod axial outer circle grinding machining tool, and belongs to the technical field of quartz machining. The tool is matched with a high-precision numerical control lathe and mainly comprises a special customized drill bit (diamond abrasive), a bearing end seat, a sleeve, a belt pulley, an output shaft and the like. The core is a special grinding head accessory based on the centerless grinding principle, the special grinding head accessory is fixed to a lathe tool rest through a motor mounting base, and a three-phase motor drives a customized drill bit to rotate at a high speed through a belt pulley; the drill bit is matched with a to-be-machined outer circle of a quartz rod in shape. During machining, a workpiece is clamped by a lathe spindle to rotate and is matched with a bearing end seat capable of being precisely adjusted to provide auxiliary support, and the machining rigidity and stability of a long rod are guaranteed. According to an existing numerical control lathe platform, efficient and high-precision grinding of the outer circle of the quartz long rod is achieved by additionally installing a special grinding tool, and the method has the advantages of being simplified in process, improved in efficiency, low in cost, convenient to modify, high in machining precision and the like.

The utility model mainly relates to the field of environment-friendly facilities special for automatic machining of centerless grinding machines, in particular to a side-mounted oil mist collecting device suitable for a centerless grinding machine with a truss manipulator, and the side-mounted oil mist collecting device is used for collecting oil mist generated during automatic grinding machining of the centerless grinding machine. The equipment comprises an oil mist collector, a mounting support seat, an oil mist collecting pipeline and an oil mist collecting cover, the oil mist collector is a mechanical oil mist filter, and the treatment air volume is 1500-2000 m / h; the mounting supporting seat is formed by welding and processing a Q235 steel plate and then spraying paint, and the mounting position is the side surface of the machine tool; the oil mist collecting pipeline is a hard PVC (polyvinyl chloride) pipeline, a pipeline joint is adhered by special PVC glue, and the pipeline is fixed by a mounting plate and a hoop; the oil mist collecting cover adopts an SUS304 metal plate as a main body, and a flexible transition surface of the manipulator adopts a nylon brush; the oil mist collecting and purifying device can collect and purify oil mist generated during automatic grinding of the centerless grinding machine with the truss manipulator.

The application discloses a centerless grinding machine with a precision feeding transmission positioning device and a positioning method, which can adjust the stretching of a ball screw in the bearing direction, effectively overcome the transmission error of the ball screw, and meet the requirements of high-end manufacturing industry on the precision part processing size tolerance accuracy. The application comprises the following: a driving servo motor is connected with a planetary reducer, the planetary reducer is installed on one side of a machine tool bed, the planetary reducer is connected with a ball screw, the ball screw is arranged in the machine tool bed, the other end of the ball screw is connected with a pre-stretching assembly, the pre-stretching assembly is used for realizing the stretching adjustment of the ball screw in the axis direction, overcoming the transmission error of the ball screw, a transmission nut seat is connected with the ball screw, a feeding moving sliding table is connected with the transmission nut seat, and the ball screw assembly cooperates with the transmission nut and the pre-stretching assembly and is used for controlling the precise feeding movement of the feeding moving sliding table on the machine tool bed.

The utility model relates to a centerless grinding wheel base body structure which effectively solves the problems that in the grinding process, a large amount of grinding heat can be generated between a grinding wheel and a workpiece, the heat dissipation performance of a traditional base body is limited, the heat cannot be dissipated in time, the local temperature of the grinding wheel is too high, heat deformation of the grinding wheel is caused, and the machining precision is further affected. And safety accidents such as grinding wheel breakage can even be caused. According to the centerless grinding wheel base body structure, the positioning ring and the fixing piece are arranged in a matched mode, under the condition that heat is generated in the grinding process of the grinding wheel, the heat generated by the grinding wheel can be conveyed outwards in time by means of the fixing piece, and in the rapid rotating process of the grinding wheel, the grinding wheel is prevented from being damaged. Heat stored in the supporting cylinder can be dissipated outwards through the cooling fins, then heat generated by the grinding wheel is dissipated in time through the supporting cylinder and the cooling fins by means of heat conduction between metal, and the situation that heat deformation of the grinding wheel is caused by too much heat is reduced.

The utility model discloses a steel ball blanking assembly for a centerless grinding machine, which comprises a rack, a support frame positioned in a grinding space is arranged above the rack, a material jacking frame is arranged above the support frame, a material jacking plate is arranged in the material jacking frame, two support pieces are arranged on the side edge above the material jacking plate, and the support pieces are arranged on the support frame. The upper surface of each supporting piece is provided with an inclined table top used for containing steel balls, an inclined flow guiding face is arranged above the material jacking frame, the high end of the inclined flow guiding face is flush with the low end of the inclined table top, an inclined discharging flow guiding support is arranged on the side edge of the supporting frame, the high end of the discharging flow guiding support is communicated with the inclined flow guiding face, and the lower end of the discharging flow guiding support is communicated with the inclined flow guiding face. A discharging storage frame communicating with the lower end of the discharging flow guide support is arranged on the side edge of the machine frame. According to the structure, rapid discharging is achieved, efficiency is improved, and equipment cost is reduced.

The utility model discloses a multifunctional combined type centerless grinding wheel set which comprises a connecting shaft, three sleeves are connected to the outer wall of the connecting shaft in an inserted mode, the outer walls of the sleeves are fixedly connected with a first grinding wheel, a second grinding wheel and a third grinding wheel respectively, and fixing mechanisms are arranged at the two ends of the connecting shaft. The number of the fixing mechanisms is two. The utility model relates to the technical field of grinding tools, in particular to a multifunctional combined type centerless grinding wheel set, which realizes that a plurality of grinding wheels are fixed on a connecting shaft through the matching among a connecting plate, a first connecting button, a stud, a first threaded hole and a connecting ring, can be used for processing parts in a plurality of processes, and solves the problem that the conventional centerless grinding wheel set cannot be used for processing parts in the working process. According to the centerless grinding wheel set, the problems that only one grinding wheel is arranged on a connecting shaft for grinding, so that only one procedure can be carried out when a part is machined, and the working efficiency of an existing centerless grinding wheel set is reduced are solved.

The utility model discloses a rolling shaft material receiving device for a centerless grinding process, which comprises a cabinet body, a fixed support, a material receiving mechanism and a driving mechanism, the fixed support and the material receiving mechanism are positioned in the cabinet body, the driving mechanism is used for driving the material receiving mechanism to lift along the height direction of the fixed support, and the material receiving mechanism is slidably connected with the fixed support. The top end of the fixing support is fixedly connected with the top end in the cabinet body, the bottom end of the fixing support is fixedly connected with the bottom end in the cabinet body, and the height of the fixing support is larger than that of the material collecting mechanism. The material receiving mechanism has a first state and a second state, and when the material receiving mechanism is in the first state, the material receiving mechanism is located in a first area in the cabinet body; and when the material receiving mechanism is in the second state, the material receiving mechanism is located in a second area in the cabinet body, and the first area is located above the second area. According to the rolling shaft material collecting device, a material transferring box for transition does not need to be additionally arranged, so that the whole material collecting device is more compact in structure, the material collecting operation is simpler and more convenient, and the material collecting efficiency is higher.