149results about "Spherical surface grinding machines" patented technology

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 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.

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 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 utility model discloses an automobile ball pin ball head and ball socket synchronous grinding machining tool which comprises a ball pin and further comprises a profiling grinding assembly, the profiling grinding assembly comprises a ball head, a friction cover is installed on the surface of the ball head in a sleeved mode, a friction flange is arranged on one side of the friction cover, a ball socket is arranged on one side of the ball head, and the ball head and the ball socket are arranged on the other side of the ball head. The friction flange is arranged in the ball socket in an embedded mode. According to the utility model, through the arrangement of the profiling polishing assembly, a friction cover and a friction flange structure which are in adaptive butt joint with a ball head and a ball socket respectively are designed in the use process of the assembly, and the friction device can synchronously realize the friction effect of the ball head and the ball socket in the friction process, so that the efficiency of the technological process is improved.

The utility model provides a grinding bead collecting device, which relates to the technical field of grinding equipment and comprises a connector, a hose, a grinding bead collector, a screen and a waste liquid barrel. The connector comprises a first end and a second end, the second end of the connector is connected with the first end of the hose, and the second end of the hose is connected with the upper end of the grinding bead collector; the upper end of the waste liquid barrel is connected with the lower end of the grinding bead collector; the screen is arranged between the waste liquid barrel and the grinding bead collector; according to the utility model, the efficiency of separating and collecting the grinding beads is improved, the grinding beads, the grinding cavity and the whole device are cleaned, and the probability of equipment failure is reduced.

The invention relates to a height adjusting device for an outer race of a vertical steel ball machine. The height adjusting device comprises three lifting supporting columns and a lifting driving assembly. The lifting supporting column comprises a top support, a vertical lifting pipe and a horizontal nut. The top of the top support is in screw connection with the outer retainer, the bottom is in screw connection with the inner retainer, and a stepped hole is formed in the center; an outer step matched with the step hole is arranged outside the vertical lifting pipe; the vertical lifting pipe is inserted into the stepped hole from bottom to top; the inner wall of the bottom circular ring extends downwards to form a connecting cylinder; the top support is rotationally connected with a vertical supporting ring towards the inner side. The upper end of the vertical supporting ring abuts against the bottom of the connecting cylinder. The top of the vertical lifting pipe is coaxially connected with a top limiting ring in a threaded mode. The side face of the top limiting ring abuts against the side face of the connecting cylinder. The lifting driving assembly drives the horizontal nut to rotate; the bottom end of the vertical lifting pipe is in threaded connection with the horizontal nut. The device can deal with thinning of the lower millstone, reduces replacement operation of the lower millstone, guarantees working efficiency of the steel ball machine, and improves utilization rate of the lower millstone.

The utility model relates to the technical field of copper ball grinding and polishing, and discloses a polishing device for microcrystal anode copper, which comprises a base, a supporting plate is fixedly assembled on the top of the base, a rotating frame is rotatably connected to an inner cavity of the supporting plate, a fixing rod is fixedly assembled on the outer wall of the rotating frame, and a polishing rod is fixedly assembled on the outer wall of the fixing rod. The outer wall of the fixing rod is movably sleeved with a grinding base, and an auxiliary disc is fixedly assembled on the outer wall of the grinding base. According to the polishing device for the microcrystal anode copper, two polishing seats are arranged, the polishing seats move along with movement of an auxiliary seat, copper balls can be fixed under the action of the polishing seats, the copper balls are fixed in inner cavities of the polishing seats, and then the copper balls can be polished under the action of rotation of the polishing seats; and when the grinding base rotates, the copper balls rotate and rub in the inner cavity of the grinding base, and the situation that when traditional equipment grinds the copper balls, the positions of the copper balls need to be changed continuously is avoided.

The application provides a ball polishing device for ball valve production, and belongs to the polishing device field.The ball polishing device for ball valve production comprises a rack and a polishing and grinding assembly.The polishing and grinding assembly comprises a first rotating frame, a rotating head, a tensioning head, a driving piece, a first linear sliding rail, a second rotating frame, a pushing piece and a polishing head.The rotating head and the tensioning head are both provided with multiple intervals.The tensioning head is provided in multiple specifications.The first rotating frame is rotationally connected with one side of the rack.The polishing head is provided with multiple polishing heads in multiple specifications.The polishing head is rotationally and slidably connected with the second rotating frame on one side.The pushing piece is fixedly connected with the polishing head on one side.The whole operation process realizes automatic and rapid replacement of the tensioning head and the polishing head, without manual disassembly and reinstallation, greatly shortens the replacement time, and effectively improves the polishing efficiency of the ball.

The utility model discloses polishing equipment for hub bearing steel ball machining. The polishing equipment comprises a shell and a multi-angle polishing mechanism. A discharge hopper is arranged at the bottom of the shell; the multi-angle polishing mechanism comprises outer gear rings, inner gear rings, a first rotating shaft, a first gear, a second gear, a second rotating shaft, a third gear and a polishing barrel, the outer gear rings are fixedly connected to the left side wall and the right side wall of the shell correspondingly, and the inner gear rings are fixedly connected to the middles of the left side wall and the right side wall of the shell correspondingly; the middle of the left side wall and the middle of the right side wall of the shell are rotationally connected with first rotating shafts correspondingly, the outer arc faces of the two first rotating shafts are fixedly sleeved with first gears correspondingly, a polishing barrel is arranged in the shell, and the left side face and the right side face of the polishing barrel are fixedly connected with second gears correspondingly. The bearing steel balls and the grinding materials are turned in the polishing barrel in multiple directions and multiple angles, and the polishing effect is excellent.

The utility model discloses a micro hemisphere batch polishing device which comprises a polishing device, a connecting assembly and an installing assembly, the installing assembly comprises an installing disc and a plurality of jigs, the installing disc is arranged on an asphalt disc, and a plurality of installing through holes corresponding to the jigs one to one are formed in the installing 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. According to the micro-hemisphere polishing device, efficient and high-quality batch polishing of micro-hemispheres can be achieved.

The embodiments of this disclosure relate to the field of grinding technology. One embodiment of this disclosure provides a grinding device for bridge bearing production, used for grinding the spherical and flat sliding plates of a spherical bearing. The device includes a support assembly and a grinding assembly. The support assembly supports the spherical and flat sliding plates and includes: a base with an annular support portion around its perimeter for supporting the perimeter of both the spherical and flat sliding plates; a central top member, which is slidably mounted on the base and located inside the annular support portion, with a spherical upper surface for supporting the spherical and flat sliding plates; and a first elastic member, one end of which acts on the central top member and the other end on the base, providing an upward force away from the base. This technical solution solves the technical problem in the prior art where grinding devices cannot simultaneously adapt to the spherical and flat sliding plates of bridge spherical bearings.

To provide a ball magazine for a device for lapping and / or grinding balls, which maintains the order of the balls and reduces a risk that the balls cannot move in the ball magazine.SOLUTION: A ball magazine (1) for a device (2) for the lapping and / or grinding of balls (4), comprising a ball removal section (12) which is designed to couple the ball magazine (1) to the device (2), comprising at least one storage section (14) and further comprising a ball supply section (16) which is designed to guide the balls (4) from the ball magazine (1) back to the device (2), wherein the storage section (14) has a gradient at least in sections.SELECTED DRAWING: Figure 1

The utility model discloses a grinding ball test surface grinding machine, and relates to the technical field of grinding. Comprising a fixing seat, a placing mechanism and a grinding mechanism, the placing mechanism is arranged at the top of the fixing seat, and the grinding mechanism is arranged over the placing mechanism; the placing mechanism comprises a fixing frame fixedly mounted at the top of the fixing seat, a placing disc is fixedly connected to one side of the fixing frame, a circular placing groove is formed in the top of the placing disc, the grinding mechanism comprises a grinding disc mounted through a driving motor, and the driving motor drives the grinding disc to grind the test surface of a grinding ball placed in the placing groove; the circular placing groove is matched with the groove structure at the bottom of the grinding disc, so that grinding balls can be effectively positioned and ground, the problem of large fluctuation of a detection result due to large fluctuation during grinding is avoided, waste chips generated after grinding fall into a dust collection funnel at the bottom of the grinding disc through a chip removal hole, the dust and the waste chips are conveniently collected and cleaned, and the working efficiency is improved. The structure is simple and practical.

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 invention discloses a plug valve seat inner spherical surface precision machining process and a machining device thereof, and belongs to the technical field of equipment manufacturing. A first motor drives a first gear and a gear ring to transmit, so that a feeding disc can drive a clamping driving assembly and a clamp assembly to rotate, the valve seat can keep rotating for feeding, and the requirement for automatic feeding is met; the multiple material clamping driving assemblies are arranged, so that the operation of clamping the valve seat at another position in the valve seat machining process can be conducted again, the situation that clamping is conducted after machining and dismantling is conducted is avoided, meanwhile, after machining is completed, the positions of the valve seat can be alternately switched again, and therefore continuous and efficient machining operation is met, and meanwhile feeding and discharging operation is facilitated; the material clamping driving assembly and the fourth gear are driven by the driving assembly to conduct transmission, the fourth gear is matched with the vibration assembly through the convex ball to achieve vibration operation of the material hopper, waste chips generated during machining can be smoothly discharged into the discharging assembly through the material hopper and directly discharged, and therefore the waste chips can be conveniently cleared away.

The invention discloses polishing equipment for repairing a golf club ball head, and relates to the technical field of golf club head polishing, the polishing equipment comprises a workbench, a motor is arranged above the workbench, a grinding wheel for grinding the surface of the ball head is embedded outside a rotating shaft of the motor, a fixing frame is arranged on the side face of the grinding wheel, and a transmission shaft is arranged in the fixing frame; the transmission shaft and the motor rotating shaft are in mutual transmission through a transmission disc, and a fine grinding unit for grinding the thin groove area of the ball head is arranged at the end of the transmission shaft. According to the equipment, the fine grinding unit is arranged, a first shaft body and a second shaft body in the fine grinding unit can drive a grinding rod to rotate, so that a groove area of a ball head is finely ground, and compared with a traditional manual tool or universal polishing equipment, the equipment can be better matched with a narrow space and a complex curved surface of a groove; and effective finishing treatment is carried out on the interiors and the side walls of the grooves.

A shaping tool for shaping and polishing a workpiece. The shaping tool comprises a rigid shaping part for shaping the workpiece in use by movement of an outwardly facing surface of the rigid shaping part and a surface of the workpiece against each other so as to remove material from at least a part of the workpiece; and a polishing surface biasable towards a first position in which said polishing surface protrudes relative to an adjacent region of the outwardly facing surface of the rigid shaping part, wherein the polishing surface is moveable to a second position in which the polishing surface lies level with said adjacent region of the outwardly facing surface of the rigid shaping part. When the shaping tool is applied to a workpiece to remove material therefrom and polish the workpiece, the polishing surface, while moving against that part of the workpiece, is biased towards the first position so as to contact the part of the workpiece from which material was removed by the rigid shaping part thereby polishing that part of the workpiece.

The invention provides a ball polishing device for ball valve production and belongs to the field of polishing devices.The ball polishing device for ball valve production comprises a rack and a grinding and polishing assembly, and the grinding and polishing assembly comprises a first rotating frame, a rotating head, a tensioning head, a driving part, a first linear sliding rail, a second rotating frame, a pushing part and a polishing head; the multiple rotating heads and the multiple tensioning heads are arranged at intervals, the tensioning heads are of various specifications, the first rotating frame is rotationally connected with one side of the rack, the multiple polishing heads are of various specifications, and one sides of the polishing heads are slidably connected with the rotating end of the second rotating frame. The pushing end of the pushing piece is fixedly connected with one side of the polishing head. In the whole operation process, automatic and rapid replacement of the tensioning head and the polishing head is achieved, manual disassembly and reinstallation are not needed, time consumed for part replacement is greatly shortened, and the polishing efficiency of the ball is effectively improved.

The invention relates to the field of bearing steel balls, in particular to a hollow steel ball and a hemisphere welding manufacturing method thereof. The hemisphere welding manufacturing method of the hollow steel ball comprises the following steps that raw materials are heated in a furnace through a die-casting machine to be softened, the softened raw materials are conveyed and subjected to punch forming to form a hollow hemisphere piece, after a sliding block type mold is installed, the sliding block type mold is made to get close to the center, and the hollow hemisphere piece is manufactured. After the two hollow hemisphere pieces enter the sliding block type mold, the sliding block type mold is pressed tightly, and after the hollow hemisphere pieces are cooled to a certain temperature, the sliding block type mold starts to open the mold, and two new hemispheres are oppositely attached to form a hollow sphere; and then vacuum electron beam welding is adopted, after the sliding block is completely separated from the sliding block type mold, the self-adaptive grinding system is used for grinding the hollow ball, the hollow steel ball is formed, and the conditions that the bearing friction loss is high and the material utilization rate is low due to heavy solute of the solid steel ball are improved.

Disclosed is a ball cartridge (1) for a device (2) for grinding and / or grinding balls (4), having a ball removal section (12) designed to connect the ball cartridge (1) to the device (2), having at least one storage section (14) and having a ball feed section (16), the ball feeding section is designed to guide the balls (4) from the ball magazine (1) back to the device (2), and wherein the storage section (14) has a gradient at least in part.

The utility model relates to an inner ball cavity grinding tool, the inner surface of the inner ball cavity is provided with a radius-passing spherical surface to be processed, the side wall of the inner ball cavity is provided with a window, the grinding tool comprises a fixed seat, the fixed seat is provided with a central through hole, the fixed seat comprises a plurality of mounting parts, and the plurality of mounting parts are distributed along the circumferential direction by taking the central through hole as the center; the plurality of grinding heads are in one-to-one correspondence with the plurality of mounting parts, the grinding heads are detachably mounted on the mounting parts, each grinding head is provided with a grinding cambered surface, and the plurality of grinding cambered surfaces form a grinding spherical surface matched with the radius-passing spherical surface to be processed; the expansion shaft is connected with the central through hole and is used for keeping and changing the relative positions of the plurality of mounting parts; wherein the grinding head and the fixing base are assembled into a whole after being placed into the inner spherical cavity through the window, the relative positions of the multiple installation parts are changed, the grinding spherical surface is attached to the radius-passing spherical surface to be machined, and therefore high-precision integrated forming of the inner spherical surface is achieved.

The utility model belongs to the field of polishing, and relates to a stainless steel shredded shot rounding and passivating device which comprises a rounding cavity, a supporting table is arranged at the top of the rounding cavity, a first hydraulic cylinder is fixed to the top of the supporting table, a sliding plate is connected to the lower end of the first hydraulic cylinder, and a servo motor is fixed to the sliding plate. A transmission shaft is connected to the lower portion of the servo motor, the lower end of the transmission shaft extends into the rounding cavity and is connected with a rounding gun head, the lower portion of the transmission shaft is connected with an umbrella cap, the umbrella cap is in a circular truncated cone shape with the hollow middle, the lower side of the umbrella cap is in lap joint with the upper side of the rounding gun head, and the diameter of the lower side of the umbrella cap is larger than that of the upper side of the rounding gun head; a discharging opening is formed in the lower portion of the rounding cavity and connected with a discharging pipe, an ejector block is arranged in the discharging pipe, and a second hydraulic cylinder is connected to the lower portion of the ejector block.

This utility model relates to the field of steel ball processing technology, and discloses a polishing machine for steel ball processing, including a housing. A motor is connected to the top of the housing's interior. A rotating shaft is fixedly connected to the drive end of the motor, and a rotating tube is fixedly connected to one end of the rotating shaft. A guide plate is fixedly connected to the top of the housing, and the rotating tube is fixedly connected to one end of the rotating shaft. A second motor is fixedly connected to the exterior of one side of the housing, and a rotating shaft is fixedly connected to the drive end of the second motor. In this utility model, steel balls in a funnel are fed one by one into the rotating tube through a conveying pipe by a control valve. The motor is started to control the rotation of the rotating tube, allowing the steel balls to fall between two different polishing wheels through different guide plates. A gear and a rotating shaft are started to drive the polishing wheels to rotate, collectively polishing the steel balls. This allows for controlled collective polishing of the steel balls, ensuring that all steel balls are thoroughly polished.

The utility model belongs to the technical field of ceramic valve ball machining, and particularly relates to a fixing device for ceramic valve ball machining, which comprises a platform and further comprises a sewage collecting pool, the sewage collecting pool is arranged at the top of the platform, a first supporting plate is fixedly mounted on one side of the sewage collecting pool and located at the top of the platform, and a rotating roller penetrating through the first supporting plate is rotatably mounted on the first supporting plate. The two ends of the rotating roller are coaxially provided with a first transmission wheel and a limiting disc correspondingly. The first telescopic rod is fixedly installed on one side of the limiting disc, and the first telescopic rod is sleeved with a second telescopic rod; according to the grinding device, all the surfaces of the large ceramic valve ball can be ground without taking the large ceramic valve ball out of the whole device and turning over the large ceramic valve ball, meanwhile, the grinding liquid does not need to be manually smeared on the surfaces of the ceramic valve ball by workers, and the grinding efficiency is greatly improved. And the situation that fingers of workers are cut by the grinding brush disc due to accidents in the operation process of the workers is avoided, and the personal safety of the workers is guaranteed.