28results about How to "Efficient grinding" patented technology

The utility model discloses a kind of glass wine bottle polishing precision positioning mechanism, belong to glass wine bottle processing technical field, including base disc, the lower surface of the base disc is fixedly installed with several fixing frames, several fixed bolts are installed on the fixing frame with screw thread, the lower surface of the base disc is fixedly installed with motor one, the output shaft end portion of motor one is fixedly installed with support plate, the upper surface of support plate both ends is fixedly installed with station table, two station tables are symmetrically laid in the both end position of support plate;By setting motor one cooperation support plate and two station tables are used, two station tables are symmetrically laid and are used for carrying fixed glass wine bottle, thus when the glass wine bottle on one side is processed and polished, only need to switch to the position of support plate, so another glass wine bottle can be disassembled and replaced when a glass wine bottle is processed and polished, can prevent polishing gap time waste, realize double-station high-efficiency polishing, improve operation efficiency.

The utility model relates to the technical field of T-shaped screw polishing, and discloses a polishing device for T-shaped screw production, which comprises a flow guide frame, a screw screening machine is fixedly mounted on one side of the flow guide frame, and a polishing component is mounted at the bottom of the other side of the flow guide frame. According to the technical scheme, the second motor is driven to drive the eccentric disc to rotate, the eccentric disc can drive the reciprocating rod to move up and down in a reciprocating mode, the piston barrel, the extrusion rod, the fixing ring and the spring are installed at the other end of the reciprocating rod, after the reciprocating rod moves downwards, the spring at the bottom of the piston barrel is extruded, and the pressed spring extrudes the extrusion rod; when the reciprocating rod moves upwards, the extrusion rod synchronously moves upwards along with the reciprocating rod and loosens the pressed screws, and a large number of screws continue to be transmitted on the flow guide frame. The screw transmission can be stopped, and the screws are ground for a long time by the plurality of groups of first grinding rollers and second grinding rollers, so that the screw grinding effect is greatly improved, and on the contrary, when the reciprocating rod moves upwards, the extrusion rod synchronously moves upwards along with the reciprocating rod and loosens the pressed screws, and a large number of screws continue to be transmitted on the flow guide frame.

This invention discloses a valve core ball grinding processing device for ball valves, specifically relating to the field of grinding technology. It includes a support platform, a housing disposed on the upper part of the support platform, a material handling structure on the top wall of the inner cavity of the housing, and a valve core grinding structure on the bottom wall of the inner cavity. This invention utilizes the driving action of a material handling drive to grip a material handling follower and feed it into a grinding component. A rack drives the grinding component to rotate repeatedly, during which the valve core ball is fixed by a valve core limiting component, thereby achieving the grinding of the valve core ball. After grinding, the material handling drive and follower remove the valve core ball from the grinding component and feed it into a discharge hopper on the rear side. Simultaneously, a new valve core ball is fed from the material handling tray into the grinding component, achieving continuous processing, reducing contact between operators and the valve core ball, grinding fluid, and grinding equipment, and reducing the occurrence of safety accidents.

The utility model discloses a kind of grinding devices for bearing cover processing, including support frame, linkage assembly is installed on the support frame, linkage assembly is connected and is equipped with fixed block, fixed block is fixed and is equipped with drive machine, drive machine output end is provided with quick-mounting mechanism, the quick-mounting mechanism includes fixed sleeve and plug-in rod, fixed sleeve is fixed in drive machine output end, plug-in rod is inserted in fixed sleeve, plug-in rod bottom end is fixed and is equipped with polishing head, fixed sleeve inboard is fixed and is equipped with clamping plate, the clamping plate is provided with multiple groups, slot is opened in the outer wall of plug-in rod, the outer wall of plug-in rod is opened and is equipped with guide slot, the inner wall of fixed sleeve is fixed and is equipped with guide plate, the guide plate and guide slot are all provided with multiple groups and slidingly connected, by the innovative quick-mounting mechanism design, the quick installation and disassembly function of polishing head is realized, effectively solve the problem of frequently replacing polishing tool in bearing manufacturing and precision machining industry.

This invention discloses a high-efficiency polishing device and method for multi-station, same-size brass rods, including a worktable; a support frame fixedly connected to the worktable, on which a polishing component is mounted; two synchronous belts fixedly connected to the worktable, located at opposite ends of the worktable; multiple arc-shaped frames fixedly connected to the synchronous belts, with retaining rings rotatably connected within each arc-shaped frame; a gear fixedly connected to the end of each retaining ring furthest from the worktable; and extension frames fixedly connected to both ends of the worktable. In this invention, by using synchronous belts in conjunction with arc-shaped frames and retaining rings, the user can place the brass rod into the retaining ring. The retaining ring then moves towards the polishing component under the drive of the synchronous belt. During this movement, the gear and rack mechanism allows the brass rod to rotate while moving horizontally, enabling more efficient polishing operations in conjunction with the polishing component.

The utility model discloses a neodymium iron boron jet mill which comprises a lower shell and an upper shell, the upper shell is fixedly installed on the top of the lower shell, an upper fixing frame and a lower supporting frame are fixedly installed on the upper portion and the lower portion in the lower shell respectively, and a milling assembly is fixedly installed between the upper fixing frame and the lower supporting frame. And an air inlet pipe is fixedly installed on the lower portion in the lower shell, a rapping assembly is fixedly installed at the bottom of the lower shell, and a material returning assembly is fixedly installed on the outer side of the lower shell. According to the neodymium iron boron jet mill, after materials enter the outer material guide cover, a first driving motor drives a first rotating shaft to rotate, the first rotating shaft drives a conical sleeve and a dispersing disc to rotate, the conical sleeve rotates to enable a grinding roller to rotate rapidly, the materials are ground, and smashed powder falls onto the dispersing disc from gaps and is thrown to the outer side; and through cooperation of the conical sleeve and the outer material guide cover, efficient grinding of the materials is ensured, the smashing effect is enhanced, and the grinding efficiency is improved.

The utility model discloses a crushing impeller of a fan coal mill, and relates to the technical field of impellers of fan coal mills. The crushing impeller comprises an impeller body, a bearing disc is arranged above the impeller body, a plurality of groups of serrated knives are fixed at the top of the bearing disc in an annular array shape, and base cylinders connected with the impeller body are arranged in the serrated knives; multiple sets of L-shaped notches are formed in the outer wall of the curved surface of the impeller body in an annular array shape, and main blades are assembled at the positions, located at the top of the impeller body, of the edges of the multiple sets of impeller bodies at intervals. According to the utility model, the force bearing disc bears the force generated when coal briquettes fall off and plays a role in preliminary scattering, the auxiliary sheets and the main blades at the bottom can promote the coal briquettes to move back and forth in the radial direction, the scattering path of the coal briquettes is longer, and meanwhile, the main blades and the auxiliary sheets which rotate at a high speed are utilized to fulfill the aim of comprehensively scattering the coal briquettes; and coal briquettes below can be conveniently and efficiently ground, so that the working efficiency of the pulverizer is improved in a disguised manner.

The utility model discloses a tail gas treatment device and semiconductor processing equipment, and the tail gas treatment device comprises a reaction cavity, the top of which is provided with a first through hole; a second through hole is formed in the bottom of the tail gas collecting pipeline, a third through hole is formed in the top of the tail gas collecting pipeline, the bottom of the tail gas collecting pipeline is detachably connected with the top of the reaction cavity, and the second through hole communicates with the first through hole; the cleaning scraping ring is positioned in the tail gas collecting pipeline; the first end of the telescopic air cylinder is fixedly connected with the cleaning scraping ring, and the telescopic air cylinder penetrates through the third through hole. The cleaning scraping ring is arranged in the tail gas collecting pipeline in the tail gas treatment device and fixedly connected with the telescopic air cylinder, that is, when the telescopic air cylinder moves, the cleaning scraping ring can be driven to move up and down in the tail gas collecting pipeline, then cleaning of the inner wall of the tail gas collecting pipeline is achieved, and the tail gas introduction amount in the tail gas collecting pipeline is increased; and the working efficiency of the tail gas treatment device is improved.

The present application relates to the field of polishing equipment, disclose a kind of tungsten alloy plating infiltration oil pipe inner wall sand blasting polishing equipment, including machine body, lifting mechanism and multiple polishing mechanism, polishing mechanism includes fixture assembly, injection assembly and rotary component, injection assembly includes clamping block, air pipe, swivel pipe, sleeve and sealing pipe, sleeve is vertically fixedly sleeved in clamping block, and vertically set with spray hole, swivel pipe is vertically rotatably sleeved in sleeve, and vertically set with multiple storage cavities in inside, air pipe side portion vertically set with air hole, air hole is aligned with spray hole, spring is fixedly embedded in sealing pipe wall, sleeve is slidably sleeved in clamping plate, air pipe top end is connected with pneumatic mechanism, swivel pipe top end is connected with feeding mechanism, fixture assembly is set on lifting mechanism.The present application solves the problem that the equipment output caliber cannot be flexibly adjusted according to the polishing requirements of oil pipe, cannot realize sufficient polishing in single pass, and the polishing efficiency is low.

The utility model relates to the technical field of spherical hinges, in particular to a self-adaptive spherical hinge grinding and supporting mechanism which comprises a supporting part, a front supporting plate arranged above the supporting part, a servo motor arranged below the supporting part and a grinding part arranged on the front supporting plate. The front grinding mechanism comprises a front sliding part arranged on the front supporting plate, a front rotating part arranged on the sliding part and a front limiting part arranged on the front rotating part; and the rear grinding mechanism comprises a first rear sliding part arranged on the supporting part, a second rear sliding part arranged on the first rear sliding part and a rear limiting part arranged on the second rear sliding part. According to the self-adaptive spherical hinge grinding mechanism, the ball head is attached to the spherical hinge base through the linear module, the front grinding motor, the rear grinding motor and the servo motor are started, and the ball head can be ground through the linear module; the spherical hinge seat and the ball head rotate for grinding, the moving range is adjusted by rotating the front limiting ring and the rear limiting ring, and the proper moving range is provided while grinding of the spherical hinge seat and the ball head is guaranteed through the arrangement of the front spring and the rear spring.

The utility model discloses a zinc oxide grinding machine which comprises an outer machine box, an inner barrel body and a discharging barrel, the discharging barrel is installed in the center of the bottom of the outer machine box, a discharging motor is installed at one end of the discharging barrel, and the output end of the discharging motor extends into the discharging barrel and is provided with a spiral stirring paddle. Fine grinding blocks are arranged on the inner wall of the discharging barrel between blades of the spiral stirring paddle; a servo motor is installed on one side of the outer machine box, and the output end of the servo motor extends into the ball milling bin of the outer machine box and is provided with an inner cylinder. Due to the adoption of the design of the double grinding balls, the contact area and the collision frequency of a grinding medium and a zinc oxide material are obviously increased. The protrusions evenly arranged on the outer side of the first grinding ball are matched with the grooves evenly formed in the outer side of the second grinding ball, the interaction between the grinding media is further optimized, the grinding process is more efficient, the zinc oxide can be ground to the finer granularity, and therefore the production capacity is remarkably improved.

The utility model discloses a stainless steel kitchen utensil production polishing device, kitchen utensil production equipment technical field, including support frame, work board, inner grinding subassembly and outer grinding subassembly, its characterized in that work board is fixedly connected with the inner wall of support frame, and inner grinding subassembly and outer grinding subassembly are all connected with support frame, and inner grinding subassembly and outer grinding subassembly are used for polishing the inner wall and the outer wall of workpiece respectively, when polishing the inner wall of workpiece, outer grinding subassembly clamps workpiece, and inner grinding subassembly is inserted into workpiece inside and is contacted with the inner wall of workpiece and rotates and polishes workpiece, when polishing the outer wall of workpiece, outer grinding subassembly is contacted with the outer surface of workpiece, and inner grinding subassembly fixes workpiece inner support and drives workpiece to rotate. Inner and outer grinding subassembly work cooperatively, realize the efficient, even polishing of the inner wall and the outer wall of workpiece. The device can realize the switching of inner and outer wall polishing mode through simple operation, adapts to different workpieces, improves the versatility and flexibility of the device.

The utility model relates to the technical field of gear machining, in particular to a gear machining edge grinding device convenient to position, and solves the problem that in the prior art, when different surfaces of a gear need to be machined and ground, the gear is often difficult to stably and flexibly position, so that multi-surface edge grinding operation cannot be efficiently completed. A gear machining edge grinding device convenient to position comprises a frame body, a top plate is fixedly connected to the top of the frame body, an air cylinder is fixedly connected to one side of the top of the top plate through bolts, a supporting frame is arranged at the bottom of the top plate, and an output shaft of the air cylinder penetrates through the top plate to be fixedly connected with the top of the supporting frame. The inner side of the supporting frame is fixedly connected with a first motor through bolts. According to the gear edge grinding device, the function of stably and flexibly positioning the gear is achieved, the problem that a traditional device is difficult to carry out multi-face accurate grinding on the gear is solved, and the flexibility and accuracy of edge grinding operation are greatly improved.

This invention provides a polishing device for machining hydraulic valve sleeves, including a worktable, a turntable on the upper surface of the worktable, a turntable rotatably mounted on the upper side of the turntable, and multiple mounting plates on the turntable. Each mounting plate has a clamping column mounted on it via a drive mechanism, which drives the movement of the clamping column. This polishing device for machining hydraulic valve sleeves allows for rapid and stable automatic internal support and clamping of the inner wall of the hydraulic valve sleeve during fixing, reducing the machining burden on operators.

The utility model discloses a lime raw material ball mill which comprises a roller, a supporting assembly used for supporting the roller and a power assembly, a gear ring is fixedly arranged on the peripheral face of the roller in a sleeved mode, and the gear ring is in transmission connection with the output end of the power assembly. The conveying mechanism is arranged at the feeding end of the roller, and the conveying mechanism comprises a spiral conveying assembly and a smashing assembly used for conducting preliminary smashing on lime raw materials. Wherein a spiral pusher of the spiral conveying assembly and a crushing roller of the crushing assembly are connected to an output shaft of the same rotating motor through a transmission piece, and power sharing is achieved. According to the lime raw material ball mill, the crushing assembly is arranged at the feeding end, lime raw materials are preliminarily crushed, the particle size of the raw materials entering the roller is reduced, and the crushing efficiency is improved; and the grinding medium in the roller can grind the raw materials more effectively, so that the grinding efficiency is improved.

The utility model relates to the field of process equipment, concretely to a resistance welding electrode head quick polishing frock, including first locating plate and second locating plate are connected with each other, first locating plate sets up vertically, second locating plate sets up horizontally, second locating plate connects polishing assembly, polishing assembly includes feed assembly and electrode head fixed plate, electrode head fixed plate is equipped with at least two electrode positioning slot, electrode positioning slot buckling electrode pressure plate. The utility model has simple structure, and the cost is relatively low, can effectively polish the welding surface of electrode head, and the welding surface after polishing is even, keeps the original inclination angle.

The invention discloses a full-automatic grinding device and method based on pipeline machining, and relates to the technical field of pipeline grinding. The pipe body grinding device comprises a machining box arranged on a grinding table, a pipe body to be ground is placed in the machining box, the pipe body grinding device further comprises a hydraulic pushing rod, a lifting rod used for driving lifting is arranged at the driving end of the hydraulic pushing rod, and an inner grinding unit is arranged on the lifting rod; the inner grinding unit comprises a plugging assembly and an inner grinding assembly. The outer grinding unit comprises a driving assembly, a transmission assembly and a pushing assembly; and an air suction box used for adsorbing grinding chippings inside and outside the pipe body is arranged in the cleaning assembly. The pipe body grinding device has the advantages that efficient grinding of a pipe body can be achieved in the mode that closed grinding is matched with synchronous adsorption, chippings generated during grinding cannot escape and accumulate, the grinding precision is higher, synchronous grinding of the inner wall and the outer wall of the pipe body can be achieved through cooperation of the multiple inner grinding plates and the multiple outer grinding plates, the grinding efficiency of the pipe body is greatly improved, and the labor intensity of workers is lowered. And the grinding range is wider.

The application relates to the technical field of environment-friendly regenerated material production equipment, in particular to an environment-friendly regenerated material double-screw extruder and method, which comprises a feeding driving mechanism, a feeding extruding mechanism, a mixing driving mechanism and a mixing extruding mechanism. The feeding driving mechanism is used for driving the feeding extruding mechanism, the mixing driving mechanism is used for driving the mixing extruding mechanism, the feeding extruding mechanism is used for feeding materials, the feeding extruding mechanism comprises a feeding tank body, a feeding fixing support, a feeding main screw, a feeding driven screw and a feeding connecting seat, both ends of the feeding tank body are respectively provided with a feeding port and a discharging port, and the discharging port is used for connecting the mixing extruding mechanism. The feeding main screw in the grinding channel and the feeding driven screw work cooperatively, not only realizing the stable conveying of the materials from the feeding port to the discharging port, but also efficiently grinding the materials in the conveying process, which is helpful to improving the dispersivity and uniformity of the materials.

The application relates to the technical field of polishing equipment, in particular to a carbon fiber reinforced composite material polishing device which comprises a transmission unit and a polishing unit, the polishing unit comprises a polishing support frame, a polishing driver, a transmission rod and a polishing wheel, the polishing driver is detachably installed on the polishing support frame, the axis of the transmission rod is selectively perpendicular or parallel to the running direction of the transmission unit, the polishing device can flexibly switch the axis direction of the transmission rod, the polishing driver direction is adjusted, the polishing device can be adapted to two different work scenes of plate polishing and pipe inner circle polishing, a plurality of special polishing tools are not needed, the universality and practicability of the device are greatly improved, and the use cost is reduced; the transmission unit drives the polishing unit to reciprocatingly move and cooperate with the rotation of the polishing wheel, the polishing is more uniform and efficient, the polishing quality is guaranteed, and the problem of single function of traditional tools is solved.

This utility model discloses a grinding device for processing black garlic with an anti-sticking structure, including a housing. A first grinding mechanism is provided inside the housing, and a second grinding mechanism is provided below the first grinding mechanism. Both the first and second grinding mechanisms are connected to a drive mechanism. A cleaning mechanism is provided below both the first and second grinding mechanisms. This utility model can drive the first and second grinding mechanisms to work through the drive mechanism. The first grinding mechanism can coarsely grind the black garlic, and the second grinding mechanism can finely grind the material after preliminary grinding, thereby obtaining black garlic products that meet the processing requirements. The cleaning mechanism can continuously clean the grinding mechanism and remove the material adhering to the surface of the grinding mechanism in a timely manner. Thus, through the above structure, the problems of black garlic sticking to the wall, difficult cleaning, and low efficiency are effectively solved, and efficient black garlic grinding and processing is achieved.

The utility model discloses a kind of planetary gear structures of grinding and polishing machine, including the grinding motor of vertical arrangement, the driving end of the lower end of grinding motor is equipped with grinding turntable, and the lower end of grinding turntable is equipped with several self-rotating discs, annular inner tooth ring is equipped in grinding disc, and several planetary gears are engaged in inner tooth ring, and planetary gear is connected with self-rotating disc.The utility model grinding turntable revolves, to drive self-rotating disc rotation, realizes grinding turntable revolution and the self-rotation of abrasive disc, polishing pad or disc brush, make pressure even release on several abrasive disc, polishing pad or disc brush, since planetary structure can increase pressure also reduce motor load, so to various ground, carpet and ground glue Realize more effective more thorough cleaning, polishing and grinding;Therefore, the utility model has the advantages of novel design, simple structure, can be applicable to various ground, carpet and ground glue, realizes more effective more thorough cleaning, polishing and grinding.

The utility model relates to the field of planetary ball mills, and discloses an efficient vertical planetary ball mill grinding device which comprises a shell, a fixing table is fixedly connected to the bottom of the inner wall of the shell, a driving mechanism is arranged at the top of the fixing table, a grinding mechanism is arranged at the top of the fixing table, and the grinding mechanism comprises a rotating disc, a rotating rod and a grinding cylinder. The bottom of the rotating disc is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected to the inner wall of the fixing table, the rotating rod is rotationally connected to the inner wall of the rotating disc, the outer wall of the bottom of the rotating rod is fixedly connected with a gear, and the top of the fixing table is fixedly connected with an inner gear ring. According to the grinding device, the control rod is pulled to drive the pull rope to move the limiting rod to overcome the elastic force of the spring, so that the limiting rod is separated from the interior of the limiting groove, then the grinding cylinder is pulled out upwards, the grinding cylinder can be taken out from the interior of the top plate for material taking and cleaning, the grinding cylinder can be disassembled without screwing a bolt, and the working efficiency is improved.

The utility model relates to the technical field of floor construction equipment, and specifically discloses a polishing device for terrazzo floor construction, which comprises a polishing motor, which is the main driving device for terrazzo floor construction, a polishing disc provided at the output end of the polishing motor, and a connecting frame rotatably connected to the upper end surface of the polishing disc and penetrated by the output end of the polishing motor, wherein the polishing disc is the main tool for polishing terrazzo floor construction. The polishing device for terrazzo floor construction is characterized in that the connecting frame is matched with a lifting column and a limiting frame one and a limiting frame two. When in actual use, a construction worker can flexibly adjust the height of the polishing disc according to the actual conditions such as the material quality of the floor and the polishing stage, thereby indirectly changing the contact pressure between the polishing disc and the ground, adjusting the rotating speed according to different polishing requirements, and achieving efficient polishing. The gap between the polishing disc and the mounting cover can block the splashed debris during polishing and ensure smooth operation of the polishing disc.

The utility model relates to the technical field of semiconductor wafer processing, and discloses a semiconductor wafer polishing device which comprises a polishing table and a vacuum porous wafer bearing table, a fixing frame is fixedly installed on the rear side of the surface of the polishing table, a hydraulic cylinder is fixedly installed on the top of the fixing frame, a polishing assembly is fixedly installed at the output end of the hydraulic cylinder, and the vacuum porous wafer bearing table is fixedly installed on the polishing assembly. A turnover collecting device is fixedly installed on the surface of the polishing table, an intermittent rotating device is arranged above the turnover collecting device and comprises an installation frame, multiple sets of wafers are placed on a vacuum porous wafer bearing table, a hydraulic cylinder drives a polishing assembly to move up and down accurately, efficient polishing is achieved, meanwhile, a motor in the installation frame drives a drive plate to rotate, and the drive plate is driven by a motor to rotate. Through cooperation of the cylindrical pin and the radial groove and cooperation of the convex arc and the locking arc, the grooved wheel is driven to intermittently rotate, the vacuum porous wafer bearing table is driven to be periodically positioned, wafers are sequentially rotated to the position below the polishing assembly, cyclic polishing of the multiple wafers is completed, and the machining efficiency is remarkably improved.

The utility model relates to the technical field of coil surface grinding, disclose a with -shape floating type voltage stabilizer coil surface grinding production line, including frame, multiple groups with -shape floating polishing device and conveying mechanism, every group with -shape floating polishing device includes floating polishing mechanism and automatic clamping mechanism, the conveying mechanism is used to the transmission to the voltage stabilizer coil of processing, the automatic clamping mechanism is used to positioning, the floating polishing mechanism includes sectional material frame, first servo motor, driving wheel, driven wheel, fixed plate and with -shape floating subassembly, the fixed plate sets up driving wheel and driven wheel, the output shaft of first servo motor connects driving wheel, the outer periphery of driving wheel and driven wheel both winding with -shape polishing belt, with -shape floating subassembly sets up on fixed plate to act on with -shape polishing belt, controls with -shape polishing belt and voltage stabilizer coil contact realizes dynamic curved surface compensation. The new type can realize the high -precision positioning and efficient polishing processing of the voltage stabilizer coil of processing.

The utility model relates to the technical field of aluminum coil processing, in particular to an aluminum coil sleeve outer surface sharpening machine which comprises a main driving motor which is a large stepping motor, the main driving motor is installed in an upper layer table body of a first lifting table, and the first lifting table is a table body of a two-section type lifting structure. The main driving motor is a main driving device for driving the aluminum coil sleeve to rotate; the output end of the main driving motor is connected with a butt joint shaft rod, and the butt joint shaft rod is in butt joint with the extension shaft rod. According to the outer surface sharpening machine for the aluminum coil sleeve, a large stepping motor is adopted as a main driving motor, so that the main driving motor is strong in power in actual use and can stably drive the aluminum coil sleeve to rotate, the sleeve is convenient to mount and dismount through the butt-joint design of a butt-joint shaft rod and an extension shaft rod, meanwhile, the center lines of the butt-joint shaft rod and the extension shaft rod are aligned, and the outer wall surfaces of the extension shaft rod and the butt-joint shaft rod are flush; the stability and coaxiality of power transmission are guaranteed, shaking during rotation is reduced, and the grinding precision of the aluminum coil sleeve is improved.

A polishing device comprises a base frame, a support frame, a longitudinal driving mechanism and a vertical driving mechanism; a workpiece positioning mechanism connected to the longitudinal driving mechanism, the workpiece positioning mechanism being used for fixing a workpiece; a polishing device connected to the vertical driving mechanism, the polishing device comprising a rotating assembly and a plurality of polishing assemblies, each polishing assembly being provided with a detachable polishing piece; a shovel mechanism connected to the longitudinal driving mechanism or the workpiece positioning mechanism, when the vertical driving mechanism drives the rotating assembly to descend to a preset position, the longitudinal driving mechanism drives the shovel mechanism to shovel into the space between the polishing assembly and the polishing piece; and a replacement device connected to the polishing device, the replacement device comprising a plurality of pushing mechanisms, the pushing mechanisms being used for storing a plurality of polishing pieces and pushing the stored polishing pieces to be installed on the corresponding polishing assemblies. The polishing device realizes all-around efficient polishing of the workpiece and automatic replacement of the polishing pieces, and improves the precision, efficiency and safety of the polishing operation.

This utility model discloses a tooling for trimming the core of a silicon steel sheet transformer, including a processing table. A vertical plate is mounted on one side of the top of the processing table, and a cylinder A is mounted on one side of the vertical plate. A concave positioning frame is mounted at the output end of cylinder A. Two sets of concave frames are mounted on the top of the processing table. This utility model utilizes a grinding mechanism composed of a motor, rotating shaft A, rotating shaft B, drive component A, drive component B, and a transmission belt to grind the core of the silicon steel sheet transformer. The cooperation of cylinder A, the concave positioning frame, cylinder B, a pressure plate, and a T-shaped limiting rod ensures stable positioning of the core, preventing movement during grinding. The inclusion of a vacuum cleaner, a funnel, and a through-hole allows for timely collection of grinding chips and dust. A cleaning door on the surface of the vacuum cleaner and a cabinet door on the side of the processing table facilitate cleaning of the dust inside the vacuum cleaner.