329results about "Spherical surface grinding machines" patented technology

The invention discloses a spherical part grinding machine in the technical field of grinding machines, which comprises a cabinet, a rack is arranged in the cabinet, an outer grinding mechanism and an inner grinding mechanism which are matched with each other are arranged at the upper part of the rack, the outer grinding mechanism is matched with an outer grinding transverse moving mechanism and an outer grinding longitudinal moving mechanism, and the inner grinding mechanism is matched with an inner grinding longitudinal moving mechanism. A grinding mechanism is arranged on the lower portion of the rack and matched with the outer grinding mechanism and the inner grinding mechanism. According to the coating polishing device, automatic polishing of the interior and the exterior of the spherical part can be achieved, manual transfer is not needed, time and labor are saved, the production efficiency is higher, the fine coating polishing process is achieved, and the repeatability of the process is improved while the maximum uniformity of coating removal is guaranteed.

The invention relates to the technical field of grinding and polishing, and discloses a grinding and polishing machine based on industrial robot operation, which comprises an I-shaped supporting table, a rotary clamping mechanism and a grinding mechanism, the rotary clamping mechanism comprises a main shaft rotationally connected with the I-shaped supporting table, a concentric-square-shaped supporting frame is arranged at the end, away from the ground, of the main shaft, two sliding sleeves are arranged on the two sides of the supporting frame correspondingly, the two sliding sleeves on the same side of the supporting frame are symmetrically arranged relative to the center of the supporting frame, and lateral ejector rods are slidably connected into the sliding sleeves. The end, away from the main shaft, of the supporting frame is slidably connected with a middle ejector rod collinear with the axis of the main shaft. The lateral ejector rods and the middle ejector rod extend out at the same time to abut against the outer wall of the spherical shell through the ejection assembly, so that the interior of the spherical shell can be fixed, the exterior of the spherical shell is completely not shielded, and after the spherical shell is clamped only once, polishing treatment of the whole outer wall can be completed through the polishing head.

The invention discloses a hemispherical harmonic oscillator inner surface processing path correction method, a hemispherical harmonic oscillator inner surface processing method and a hemispherical harmonic oscillator inner surface processing device. The correction method comprises the following steps: processing the inner surface of a hemispherical harmonic oscillator test article based on a set processing path; measuring the radius of the inner sphere of the processed test article, calculating the deviation of the radius of the inner sphere based on the measured value and the design size, obtaining the compensation amount of the Z-axis direction of the processing route based on the deviation, and performing reverse compensation on the Z-axis coordinate of the terminal point of the processing route to obtain a first corrected processing route; reprocessing the hemispherical resonator test article based on the first correction processing route; and measuring the diameter of an inner support column of the test article, calculating translation deviation based on a measured value and a design size, taking the translation deviation as the compensation amount of the X-axis direction of the machining route, and performing reverse compensation on the X-axis coordinates of all points of the first correction machining route to obtain a second correction machining route. The machining method can ensure that the size and the geometrical shape of the machined hemispherical harmonic oscillator are within the design tolerance range.

The invention provides a three-axis three-phase variable-speed ultraprecise microsphere grinding and polishing device and a grinding and polishing method, and belongs to the technical field of high-precision spherical part machining. By adjusting three sets of servo grinding head assemblies, output shafts (a first shaft, a second shaft and a third shaft) of the three sets of servo grinding head assemblies intersect at the sphere center of a machined sphere; the alignment precision of the three servo grinding head assemblies relative to the center of the ultra-precision microsphere is improved; meanwhile, output shafts of the three servo grinding head assemblies are controlled to rotate at a variable speed according to the sine rule, it is guaranteed that the motion trails formed by the three servo grinding head assemblies are evenly distributed on the surface of the machined ball and can completely wrap the surface of the machined ball, and sliding of the ultra-precise microspheres in the machining process is avoided; and the stability in the ultra-precision microsphere processing process can be ensured.

The utility model relates to the technical field of steel ball quenching, and discloses novel bearing steel ball quenching equipment which comprises a base, the top of the base is fixedly connected with a quenching pool, one side of the top of the quenching pool is fixedly connected with a baffle, one side of the baffle is fixedly connected with a motor, the output end of the motor is fixedly connected with a brush roll shaft, and the brush roll shaft is fixedly connected with a motor. And a cleaning box is fixedly connected to the top of the other side of the baffle, supporting plates are fixedly connected to the two sides of the top of the quenching pool, a dust suction machine is fixedly connected to the tops of the supporting plates, a dust suction pipeline is fixedly connected to a port of the dust suction machine, and a filter screen is installed on the inner wall of the dust suction pipeline. According to the steel ball cleaning device, the motor is started to drive the brush roll shaft to clean the surfaces of steel balls in the cleaning box, and then the dust suction pipeline adsorbs and filters dust in the cleaning box through the filter screen through the dust suction machine, so that the surface quality of the steel balls is improved, and the risks of oxidation and corrosion are reduced; therefore, the performance and the service life of the whole workpiece are improved.

The utility model provides steel ball surface grinding and polishing equipment, and belongs to the technical field of steel ball machining. The steel ball surface grinding and polishing equipment comprises a support, a rotating piece is arranged at the upper end of the support, a grinding piece is eccentrically arranged on the rotating piece, a supporting table is arranged at the lower end of the support, the supporting table comprises three rotating rollers arranged in a triangular shape, each rotating roller rotates independently, and balls are placed on the rotating rollers. The grinding device has the following effects that the rotating piece drives the eccentric grinding piece to rotate around the ball for grinding, the grinding range is larger and more uniform, the supporting table composed of the three rotating rollers is used for driving the ball to rotate in any direction, and therefore dependence on manpower during grinding is avoided, and automation is improved.

The utility model relates to an automatic pearl grinding tool and full-automatic pearl grinding equipment. The automatic pearl grinding tool comprises a grinding unit, a constant pressure unit, a grinding driving unit and a longitudinal driving unit. The device has the advantages that the longitudinal driving unit is utilized to realize automatic up-down displacement of the grinding unit, so that the subsequent pearl collecting procedure is facilitated; and constant-pressure grinding of the pearls is achieved through the constant-pressure unit, and the situation that the pearls are crushed due to too large pressure is avoided.

The invention discloses a micro hemisphere batch polishing device and method.The device comprises polishing equipment, a connecting assembly and a mounting assembly, the mounting assembly comprises a mounting disc and a plurality of jigs, the mounting disc is arranged on an asphalt disc, and a plurality of mounting through holes corresponding to the jigs one to one are formed in the mounting disc; the jigs are arranged in the corresponding installation through holes and detachably connected with the installation disc, containing holes are formed in the bottom faces of the jigs, the lower portions of the micro hemispheres extend out of the containing holes and abut against the asphalt disc, the connecting assembly comprises a mandrel, a bearing sleeve and a ball bearing, the bearing sleeve is fixed to the center of the upper surface of the installation disc, and the ball bearing is fixed in the bearing sleeve. The upper end of the mandrel is detachably connected with the polishing equipment, the lower end of the mandrel is provided with a ball head, the ball head is suspended in a center hole of the ball bearing and is in small clearance fit with the ball bearing, and when the polishing equipment is started, the mandrel is driven to swing, and then the mounting disc is driven to rotate relative to the asphalt disc so that the lip edges of the multiple micro hemispheres can be ground with the asphalt disc. By means of the micro-hemisphere polishing device, efficient and high-quality batch polishing of micro-hemispheres can be achieved.

The utility model relates to an automatic pearl receiving tool and full-automatic pearl grinding equipment. The automatic pearl receiving tool comprises a receiving unit, a blocking unit, a transverse movement unit and a longitudinal movement unit. The pearl feeding device has the advantages that pearls of a preset number and a preset specification can be received through the material receiving unit, automatic batch feeding can be completed, and compared with manual feeding, the steps are few, manpower consumption is low, and the feeding efficiency is high; full-automatic work of the automatic pearl receiving tool can be completed through the transverse movement unit and the longitudinal movement unit, manual operation is not needed, labor cost is reduced, and efficiency is improved; potential safety hazards do not exist, and workers do not need to worry that fingers are crushed.

In a material for a ceramic ball according to an embodiment, a sphericity is 2% or less, and an arithmetic mean roughness Ra is 0.2 μm or more and 2 μm or less. In the material for the ceramic ball, a total height of profile Rt is preferably 4 μm or more and 20 μm or less. In the material for the ceramic ball, when a surface roughness Ra in a circumferential direction of a belt-like portion mark is defined as Ra1, and a surface roughness Ra of a circumference in a direction perpendicular to the belt-like portion mark is defined as Ra2, Ra1 / Ra2 is preferably 0.2 or more and 2 or less.

The invention relates to the field of machining, in particular to a grinding machine which comprises a circular ring seat, supporting leg frames are symmetrically arranged at the two ends of the circular ring seat, a spherical ring seat is arranged in the center of the circular ring seat, three grooves are evenly formed in the spherical ring seat in the circumferential direction, supporting arm rods are arranged in the three grooves in a sliding mode, and supporting blocks are perpendicularly fixed to the ends, close to the center of the spherical ring seat, of the three supporting arm rods. Three limiting frames are evenly arranged on the upper end face of the spherical ring seat in the circumferential direction, a threaded disc is arranged among the three limiting frames in a rotation limiting mode, the lower end face of the threaded disc is in threaded connection with the upper end faces of the three supporting arm rods, and a positioning screw is in threaded connection with one limiting frame and used for abutting against the threaded disc. A lifting frame slides on one supporting leg frame in a lifting limiting mode, a grinding disc is arranged on the lifting frame in a rotating mode, grinding paper with a sponge layer adheres to the lower end of the grinding disc, and an adjusting screw rod is arranged on the lifting frame in a rotating mode and is in threaded connection with the supporting leg frame. The spherical surface polishing device is convenient for polishing a spherical surface.

The utility model relates to novel full-automatic pearl grinding equipment. The novel full-automatic pearl grinding equipment comprises a feeding tool, a receiving tool and a grinding tool, the pearl screening device has the advantages that the screening unit and the receiving unit are matched, pearls of a preset number and preset specifications can be screened, automatic batch feeding can be completed, and compared with manual pearl screening, the pearl screening device is few in step, low in manpower consumption and high in feeding efficiency; the storage unit and the screening unit are isolated and exposed through the isolation unit, the pearl feeding procedure can be automatically completed, and the feeding efficiency is effectively improved; full-automatic work of the material receiving tool can be completed through the second transverse movement unit and the second longitudinal movement unit, manual operation is not needed, the labor cost is reduced, and the efficiency is improved; and the overturning unit is used for driving the material receiving unit to overturn, so that full-automatic operation of the pearl material receiving procedure is realized, and the pearl material receiving efficiency is greatly improved.

The invention discloses a grinding machine tool for machining an inner spherical surface, and relates to the technical field of spherical workpiece grinding. A grinding assembly, a driving assembly and a driving motor are mounted on the top surface of the base; the grinding assembly comprises a spindle rotationally installed on the base, the front end of the spindle is connected with a tool apron, the rear end of the spindle is connected with the driving end of the driving motor, the middle of the tool apron is hinged to the spindle, a tool bit is installed at the front end of the tool apron, and an adjusting connecting rod is hinged to the rear end of the tool apron. A sleeve capable of sliding in the axial direction of the main shaft is arranged on the main shaft, the free end of the adjusting connecting rod is hinged to the sleeve, and a driving assembly for driving the annular groove to slide in a reciprocating mode along the main shaft is arranged on the base. According to the method, shutdown calculation and calibration are not needed, and the auxiliary time is greatly shortened; meanwhile, manual operation is replaced by mechanical transmission, personal errors and multiple clamping deviations are avoided, the problem of connection dislocation of segmented grinding is solved, and the inner spherical surface contour continuity and micron-order machining precision are guaranteed.

The utility model relates to a pearl grinding mechanism and full-automatic pearl grinding equipment, the pearl grinding mechanism comprises a grinding unit, a first support unit and a distance monitoring unit, the distance monitoring unit is arranged at the side part of the first support unit and is located at the upper part of the grinding unit; the distance between the first support unit and the grinding unit is monitored to prevent the grinding unit from excessively extruding the pearls. The pearl grinding device has the advantages that the distance between the first support unit and the grinding unit is monitored through the distance monitoring unit, the first support unit is prevented from extruding the grinding unit, the grinding unit is further prevented from excessively extruding pearls, and pearl damage is avoided.

The utility model relates to the field of grinding machines, in particular to a machining device suitable for turning and grinding a spherical structure of a tilting pad radial bearing of a large-size steam turbine. The milling machine comprises a main beam, an adapter, a milling head, a rotary table plate, a motor and a belt, the main beam is adjustably mounted on the rotary table plate, the milling head is rotatably mounted on the adapter, the adapter is slidably arranged at one end of the main beam, the motor is fixed at the other end of the main beam, and the belt is connected with the motor and the milling head; the rotary table plate and the main beam are respectively provided with at least one positioning hole, positioning pins are arranged corresponding to the positioning holes, and the positioning pins are linearly inserted into the positioning holes in the rotary table plate and the main beam in a penetrating mode. A thread feeding mechanism is installed on the main beam, and the output end of the thread feeding mechanism is connected with the adapter. The whole device is fixed to a workbench of a numerical control machine tool, and movement of the X axis, the Y axis and the Z axis can be achieved through the workbench; in alignment, sparks generated during friction between the grinding wheel and a workpiece are observed through naked eyes, and feeding of the grinding wheel is more convenient to control through the independently-arranged thread feeding mechanism.

The ball valve polishing machining device comprises a machine body, an expanding and clamping rotary table and a polishing machining structure, the polishing machining structure comprises an electric push rod, a supporting table and a lantern ring, when the electric push rod pushes a piston rod, liquid in a hydraulic hole channel drives an impeller to rotate through a one-way output liquid channel, and a reciprocating lead screw is driven to make a polishing wheel do centrifugal movement; a lead screw box of an annular array on the outer ring surface of a lantern ring is linked with a grinding wheel and matched with rotation of an expanding and clamping rotary table, the spherical surface of the ball valve can be efficiently ground in all directions, a contact type probe sensor is flush with the grinding surface of the grinding wheel, the detection spherical surface can be covered, and problem area machining can be assisted; the device solves the problem that a traditional device cannot synchronously adjust the grinding radius, the machining period is shortened, the operation complexity and the labor cost are reduced, and the grinding efficiency, the quality consistency and the surface machining precision are improved.

A material for a ceramic ball according to an embodiment of the present invention comprises a spherical part and a band-shaped part formed over the circumference of the surface of the spherical part. Rab / Rap, which is the ratio of the arithmetic average roughness Rab of the band-shaped part to the arithmetic average roughness Rap that is an extreme of the spherical part, is 0.7-1.0. Any substance from among aluminum oxide, silicon nitride, silicon carbide, boron nitride, and zirconium oxide can be applied for the ceramic. A ceramic ball is produced by performing a polishing process on the material for a ceramic ball.

The utility model discloses a steel ball polishing device, and belongs to the technical field of polishing. The device mainly comprises a box body; the polishing mechanism is mounted at the upper end of the box body; the washing mechanisms are installed on the two sides of the polishing mechanism, and each washing mechanism comprises a supporting frame installed at the upper end of the box body; the pump bodies are mounted on the two sides of the supporting frame; the water pipe is mounted at the upper end of the pump body; the telescopic hose is mounted at the upper end of the water pipe; the second air cylinder is mounted at the upper end of the supporting frame; the connector is fixedly connected with the output end of the second air cylinder; and the sprayers are arranged at two ends of the joint. According to the steel ball polishing device, the washing mechanism is arranged, so that the effect that residual polishing media and dirt in the polishing device are cleaned, and therefore abrasion and aging of the polishing device are delayed is achieved.

The invention relates to the technical field of ceramic ball machining, in particular to a grinding production line control method for high-precision ceramic balls for new energy automobiles, which comprises the following steps: acquiring the distribution state of a plurality of ceramic balls in a grinding groove to determine whether the fine grinding process of the ceramic balls is qualified or not; under the condition that it is determined that the fine grinding process of the ceramic ball is unqualified, grinding fluid in the fine grinding process is collected and treated to obtain abrasive dust, a particle size histogram is constructed, the normal fitting degree is determined, and the qualification of particle size distribution is determined according to the normal fitting degree; under the condition that the particle size distribution is determined to be unqualified, the grinding speed in the coarse grinding process, the abrasive particle size in the fine grinding process or the polishing pressure in the polishing process is adjusted; or, under the condition that the particle size distribution is determined to be qualified, the precision characterization parameters of the ceramic balls after fine grinding are obtained, and the preset fitting degree is adjusted according to the condition that the fine grinding precision is unqualified. The machining efficiency of the ceramic balls is improved.

This utility model discloses a machining device for the spherical surface of a spherical bearing, including a lathe tool post and a tool holder mounted on top of the lathe tool post. It also includes an adjustment structure and a correction structure. The adjustment structure includes a motor support plate and a grinding wheel support. The motor support plate is inserted and fixed between the lathe tool post and the tool holder. The grinding wheel support is movably connected to the motor support plate and is connected to a cup-shaped grinding wheel. A protective cover, shaped like a cup, is provided on the outside of the cup-shaped grinding wheel and fixed to the grinding wheel support. The correction structure includes a dial indicator, a dial indicator holder, and a connecting rod. The connecting rod is threaded to the end of the shaft extending beyond the cup-shaped grinding wheel. The end of the connecting rod away from the shaft is fixed to the dial indicator holder, which mounts one or two dial indicators. The dial indicator heads face away from the cup-shaped grinding wheel. The protective cover reduces chip splashing and improves the safety of the device. By installing the correction structure at the center of the shaft, the dial indicator reading after slow rotation facilitates the measurement of the spherical roundness and ensures that the center of the grinding wheel is aligned with the center of the workpiece.

This invention discloses a precision high-frequency forming wheel and its manufacturing method, applied in the field of forming wheel technology. By setting up a forming mechanism, the main grinding component can process an object into a thinner shape when used alone; the auxiliary grinding component can process the surface of the object when used alone; the side grinding component can process the outer edge of the object when used alone; the edge grinding component can cooperate with the side grinding component and the main grinding component to process the object into a thicker shape; and the bottom grinding component can cooperate with the edge grinding component, the side grinding component, and the main grinding component to process the object into a spherical shape. Through various combinations, multiple different processing methods can be achieved on the object, improving the flexibility of object processing.

The utility model discloses a processing device for efficiently processing a spherical surface on a workpiece, which relates to the technical field of processing the spherical surface on the workpiece, and comprises a bottom plate, a grinding mechanism arranged on the bottom plate, and a clamping and swinging mechanism arranged on the right side of the grinding mechanism and arranged on the bottom plate, the clamping and swinging mechanism comprises a hydraulic sliding table fixedly arranged on the top surface of the bottom plate and horizontally arranged and a mounting plate fixedly arranged on the top surface of a moving table of the hydraulic sliding table, a rotating shaft is rotationally mounted on the top surface of the mounting plate, an L-shaped plate capable of swinging front and back is arranged at the top of the rotating shaft, and a horizontal plate of the L-shaped plate is welded to the top surface of the rotating shaft; a horizontally-arranged main shaft is rotationally installed in a vertical plate of the L-shaped plate, the left end of the main shaft is connected with a three-jaw chuck, and the right end of the main shaft is connected with a driving assembly used for driving the main shaft to rotate. The device has the beneficial effects that the working intensity of workers is greatly reduced, and the efficiency of processing a spherical surface on a workpiece is greatly improved.

The utility model discloses a ball polishing device, which comprises a polishing wheel assembly, a polishing wheel assembly, a polishing wheel assembly, a polishing wheel assembly and a polishing assembly, and is characterized in that the polishing wheel assembly comprises a polishing wheel unit; the conveying assembly comprises a worm unit and a conveying unit, the worm unit can drive the to-be-polished ball to rotate front and back, and the conveying unit can drive the to-be-polished ball to rotate left and right; the adjusting assembly is connected with the polishing wheel assembly and the conveying assembly and can drive the conveying assembly to be close to or away from the polishing wheel assembly. According to the sphere polishing device, the polishing wheel unit polishes the sphere to be polished, the worm unit and the conveying unit drive the sphere to be polished to rotate front and back and left and right respectively, rotation in the inclined reverse direction can be combined, and all-dimensional dead-corner-free uniform polishing of the sphere to be polished is achieved; the gap between the conveying assembly and the polishing wheel assembly is adjusted by arranging the adjusting assembly, the pressure of the polishing wheel assembly on the to-be-polished ball is changed according to the characteristics of the to-be-polished ball, and the ideal polishing effect is achieved.

This utility model discloses a valve ball grinding and positioning device with an anti-displacement structure, including a positioning frame. A back frame for mounting and fixing grinding tools is fixed on the back of the top of the positioning frame. Square columns are inserted into the top of both sides of the positioning frame. A reinforcing shaft is rotatably installed in each set of square columns. A fixing cone for inserting into the inner cavity of the valve ball is fixed at one end of the reinforcing shaft that is close to each other. An anti-displacement component is provided on the positioning frame to cooperate with the fixing cone and position the valve ball. By setting the anti-displacement component, this utility model can autonomously and multi-directionally position the valve ball on both sides and inside according to the size of the valve ball. At this time, the multi-directional and multi-means positioning method improves the positioning stability of the positioning device for the valve ball, effectively avoids the valve ball from easily shifting during the grinding process, and greatly improves the grinding effect of the grinding tool on the surface of the valve ball.

The utility model discloses a melt extrusion product pneumatic full-fitting change polishing device which comprises polishing equipment, the bottom of the polishing equipment is installed on the surface of a transmission gear, a limiting track is arranged on the inner side of the transmission gear, and meanwhile the bottom of the limiting track is fixedly arranged on the surface of a product polishing table. A pneumatic motor is fixedly connected to the bottom of the product grinding table in a threaded mode, an output shaft of the pneumatic motor is fixedly connected with a driving gear, and the driving gear is movably installed in a containing hole formed in the surface of the product grinding table. According to the pneumatic full-lamination variable polishing device for the melt extrusion product, polishing equipment rotates, and 360-degree polishing work is conducted on a spherical product through a full-lamination polishing base; the full-fitting polishing seat is matched with the spherical injection molding part in appearance and can be well fitted with the surface of a product; and when circular motion grinding is carried out, it can be guaranteed that the grinding strength and angle of all points on the surface of a product are relatively uniform, and therefore high-precision grinding is achieved.

The invention belongs to the technical field of abrasion-resistant ball grinding, and particularly relates to an abrasion-resistant ball surface rapid grinding device which comprises a lower grinding disc fixedly connected to a base and an upper grinding disc corresponding to the lower grinding disc, and a driving shaft is fixedly connected to the center of the upper grinding disc. A plurality of material grooves are formed in the lower grinding disc and are used for bearing wear-resisting ball bodies; through sliding fit of the pressing block and the movable supporting plate, the pressing block and the movable supporting plate are in clamping fit under the action of manpower in the loading stage, so that when the upper grinding disc and the lower grinding disc are not combined, it is ensured that the wear-resisting ball body can be stably loaded in the material groove and cannot be brought out by the movable supporting plate, and after the upper grinding disc and the lower grinding disc are combined, the wear-resisting ball body can be stably loaded. Limiting of the pressing block on the movable supporting plate is canceled, then after machining is completed and the upper grinding disc and the lower grinding disc are separated, the wear-resisting ball bodies are popped out through the movable supporting plate, only feeding needs to be conducted, the discharging process of the wear-resisting ball bodies does not need to be operated, and the machining efficiency of the wear-resisting balls can be improved.

The invention discloses a hemispherical harmonic oscillator grinding process optimization method based on a laser Doppler vibration meter, relates to the technical field of ultra-precision machining, and aims to solve the problems of difficulty in tool setting of a small-diameter ball head grinding wheel and a hemispherical harmonic oscillator blank and difficulty in real-time monitoring of the grinding condition in the machining process in an existing method. Comprising the steps that a hemispherical harmonic oscillator grinding machine tool is controlled to enable a small-diameter ball head grinding wheel to approach all key parts on the surface of the hemispherical harmonic oscillator to conduct tool setting operation, a laser Doppler vibration meter collects vibration signals of the hemispherical harmonic oscillator, tool setting position coordinates are determined according to the occurrence moment of the vibration signals, and a small-diameter ball head grinding wheel machining track of the hemispherical harmonic oscillator is constructed; the hemispherical harmonic oscillator is ground according to the grinding wheel machining track, the vibration signal of the hemispherical harmonic oscillator in the grinding process is collected through the laser Doppler vibration meter, the grinding state of the hemispherical harmonic oscillator is analyzed according to the specific frequency in the vibration signal, and the method is easy and convenient to implement and high in accuracy.

The invention discloses ball grinding equipment for machining a high-precision bearing ball body, and relates to the technical field of bearing ball machining, the device comprises an equipment body, a fixed universal assembly, a supporting disc and a fixed disc, a grinding rotary disc is arranged at the end, away from the supporting disc, of the fixed disc, and a transmission disc is fixedly connected to the end, away from the fixed disc, of the grinding rotary disc; a conveying mechanism used for conveying the balls before and after machining is arranged on the equipment body, and a pushing mechanism used for accurately pushing the transmission disc is arranged on the equipment body. By means of the conveying mechanism, balls before and after grinding can be independently conveyed, confusion of a feeding path and a recycling path is effectively prevented, the situation that the balls before and after grinding interfere with each other is avoided, meanwhile, the feeding and recycling processes do not need to be manually intervened, the ball machining continuity is guaranteed, and the machining efficiency is improved. And the ball machining efficiency is effectively improved, and the labor cost is further reduced.

The invention relates to a device (1) for grinding and / or grinding balls (2), said device (1) having a first disc (4) and a second disc (6), at least one of the discs (4, 6) having at least one circumferential ball groove (8, 10) in which at least one ball (2) can be accommodated, said device (1) further having at least one spacer (12) having a main body (14) with a cavity (16), a ball (2) can be accommodated in the cavity (16), the cavity (16) has a first diameter (D1) and a second diameter (D2), and the first diameter (D1) is larger than the second diameter (D2).

The invention discloses a spherical surface grinding machining device, and relates to the technical field of metal surface machining treatment.The grinding machining device comprises a transposition assembly, a feeding assembly and a grinding mechanism, and the output end of the transposition assembly clamps and fixes a to-be-ground workpiece so as to be used for driving the workpiece to rotate; the output end of the feeding assembly is in transmission connection with the transposition assembly, the feeding assembly is used for driving a machined part located at the grinding position to horizontally move in a reciprocating mode through the transposition assembly, and the rotating axis direction of the machined part intersects with the feeding direction of the machined part. The grinding mechanism comprises a grinding piece and a shaping assembly, the shaping assembly is used for shaping the grinding piece into a spherical shape from a plane shape, and when the transposition assembly drives the machined part to move to the maximum displacement in the direction close to the shaped grinding piece under driving of the feeding assembly, the grinding piece is in friction fit with the spherical surface of the machined part; the grinding machining device can shape the shape of the grinding piece so as to be matched with the spherical surface of the machined part, and the grinding precision is guaranteed.