33results about How to "Large grinding area" patented technology

The invention relates to the technical field of ore sample preparation, in particular to an automatic quartz ore chemical analysis sample preparation device which comprises a material table, a sampling table is fixedly arranged on the side wall of the material table, a feeding hopper is fixedly arranged on the front wall of the sampling table, the lower end of the feeding hopper is communicated with a crushing assembly, and a crushing box is arranged on the crushing assembly; a grinding assembly is fixedly arranged on the bottom face of the crushing box, a grinding box is arranged on the grinding assembly, a screening assembly is fixedly arranged on the bottom face of the grinding box, a hollow screening box is arranged on the screening assembly, and a discharging frame is fixedly arranged on the bottom face of the hollow screening box. According to the invention, the crushed ore particles are more uniform, the existence of large ore blocks is reduced, the crushing quality is improved, the continuity and stability of the crushing process are ensured, the grinding effect is improved, the ground quartz ore particles are more uniform and fine, and the graded screening of the ore particles is facilitated; and rapid sample preparation of automatic quartz ore chemical analysis is realized.

This utility model discloses a grinding and polishing device for producing security doors, including a base, an mounting plate mounted on the base, a groove on the upper surface of the mounting plate, a fixed plate slidably mounted in the groove, a support assembly mounted on the base, a first motor movably mounted on the upper surface of the fixed plate, a first grinding wheel fixedly mounted on the output shaft of the first motor, a baffle fixedly mounted on the mounting plate, a conveying roller fixedly mounted on the inner wall of the baffle, a protective frame fixedly mounted on the baffle, a fixed bracket fixedly mounted on the inner wall of the protective frame, an electric push rod fixedly mounted on the fixed bracket, a security door grinding assembly movably mounted at one end of the electric push rod, a second motor fixedly mounted on the security door grinding assembly, and a second grinding wheel fixedly mounted on the output shaft of the second motor. This utility model has the advantage that when the second grinding wheel is grinding the two ends of the side wall of the security door, the first electric slide moves downward, which can drive the third grinding wheel on the third motor to grind the top of the security door.

The utility model discloses double-sided sponge abrasive paper with a reinforcing structure, which comprises a sponge block, and a lower connecting piece is fixedly adhered to the bottom end of the sponge block. When the double-sided sponge abrasive paper with the reinforcing structure is used through the double-sided sponge abrasive paper, an upper sponge rubber pad and a lower sponge rubber pad which are arranged at the top end and the bottom end of a sponge block are correspondingly adhered to fourth connecting rough surfaces at the top end of an upper connecting piece and the bottom end of a lower connecting piece through third connecting thorn surfaces respectively; the upper sponge rubber pad and the lower sponge rubber pad can be fixedly installed at the top end and the bottom end of the sponge block respectively, the overall structure of the sponge abrasive paper can be strengthened through the upper sponge rubber pad and the lower sponge rubber pad, the thickness of the sponge abrasive paper is increased, and when the sponge abrasive paper is used for polishing a workpiece, the polishing safety can be improved; the problem that the structure of the double-sided sponge abrasive paper is not convenient to reinforce is solved.

The present invention relates to the technical field of output shaft grinding, and specifically, to a grinding device and a grinding method for the production of dual-axis motor output shafts. The present invention comprises a machine body, a triangular chuck is provided at the end of the machine body, a support seat is provided on the surface of the machine body, symmetrical sensors are provided on both sides of the surface of the support seat, a moving frame is provided on the surface of the machine body, and a grinding assembly is provided at the end of a gear rod. The present invention grinds the surface of the output shaft by moving the sand belt horizontally by the moving frame, and the friction roller and the surface of the output shaft generate friction and rotate, so that the gear rod provided at the end of the transmission roller rotates, so that the driven gear drives the extension rod to rotate and the collecting roller rotates on the inner wall of the second fixed frame, and the collecting roller stretches the sand belt wound on the surface of the clockwork spring, so that the surface of the sand belt is always in contact with the surface of the output shaft during the stretching process and the grinding area with the output shaft is increased, thereby avoiding grinding at the position where the surface of the sand belt and the output shaft are in contact, and improving the service life of the sand belt.

The utility model relates to polishing device technical field, and disclose a kind of polishing device for numerical control lathe shell surface processing, including platen one and platen two, platen one and platen two between being provided with rotating rod, the lower end between platen one and platen two is symmetrically installed with U-shaped frame, the inside of the front and rear ends of U-shaped frame is slidably installed with square bearing, the inside between square bearing is fixedly installed with driving wheel, sand belt is installed between driving wheel, the upper side of square bearing is uniformly provided with baffle on U-shaped frame, adjusting screw is penetrated and is screw-connected in the middle of baffle, the front and rear ends of platen one and platen two are fixedly installed with fixed plate in close to corner place, roller is rotatably installed on fixed plate in close to lower side place. The device can increase polishing area, reduce operating labor intensity, and the edge chamfering of numerical control lathe shell can be stably and uniformly polished.

The utility model relates to a technical field of rubbing crusher, and disclose a raw material rubbing crusher for peanut butter production, including rubbing cylinder, the inside middle part of rubbing cylinder is provided with the pivot, the outside of pivot is fixedly sleeved with two groups of cutting knives at the inner bottom part near rubbing cylinder, the outside of pivot is slidably sleeved with the pressing plate, the outer ring of pressing plate is installed with the sealing ring, the sealing ring and the inner wall of rubbing cylinder are inlaid, the lower extreme of pressing plate is fixedly installed with the wall scraping cylinder at the outside near place, the outer wall of wall scraping cylinder and the inner wall of rubbing cylinder are inlaid, the lower extreme middle part of rubbing cylinder is connected and fixedly installed with the grinding cylinder, the lower extreme of pivot is fixedly installed with the grinding block, the upper end surface of grinding block and the inner bottom surface of rubbing cylinder are flush, and there is certain gap between the outer ring wall of grinding block and the inner wall of grinding cylinder. The device can improve the peanut rubbing efficiency, guarantee the grinding delicacy, effectively clean the peanut butter remaining in the inner wall.

The utility model relates to an MIM product shaping device, and belongs to the technical field of injection molding machine related equipment, the MIM product shaping device comprises a processing table, the processing table is rotatably connected with a placing disc, the processing table is provided with a driving part used for driving the placing disc to rotate, and the two sides of the placing disc are each provided with an electric telescopic rod and a clamping plate; the two electric telescopic rods are oppositely arranged, the telescopic directions of the two electric telescopic rods are parallel to each other, the telescopic ends of the electric telescopic rods are fixedly connected with the clamping plate, and the machining table is provided with an adjusting assembly used for adjusting the positions of the electric telescopic rods. The machining table is provided with a feeding assembly used for conveying workpieces to the containing disc. The method has the effect of improving the stability of the product in the shaping process of the MIM product.

The utility model discloses a semi-wrapping type glyphographic plate roller polishing device which comprises a workbench, a polishing mechanism is arranged on one side of the top of the workbench, the polishing mechanism comprises a first installation plate and a fixed guide rail which are fixedly installed on the workbench, a stepping motor is fixedly installed on one side of the first installation plate, and a second installation plate is fixedly installed on the other side of the first installation plate. An output shaft of the stepping motor penetrates to the inner side of the first mounting plate and is fixedly provided with a first rotating frame, a movable plate is slidably installed on the top of the fixed guide rail, and an adjusting lead screw is arranged on the inner side of the fixed guide rail in a penetrating mode. The contact area of the grinding piece and the plate roller is greatly increased, the grinding frequency of the plate roller is reduced, the grinding time of the plate roller can be shortened, and therefore the grinding work of the plate roller can be rapidly completed, the grinding machining speed of the plate roller is increased, the grinding efficiency of the plate roller is improved, and convenience is provided for work and use of a user.

The utility model discloses a metal plate grinding and polishing device which comprises a supporting table, a metal plate containing assembly is arranged on the surface of the supporting table, a grinding assembly is arranged above the containing assembly, the containing assembly comprises a containing plate, a containing groove is formed in the surface of the containing plate, one side of the containing groove is communicated with the outside, and the other side of the containing groove is communicated with the grinding assembly. The metal plate polishing device has the advantages that the first telescopic air cylinder is driven to enable the placement plate to be changed into an inclined state from a horizontal state, at the moment, when a metal plate is polished, the first telescopic air cylinder is driven to drive the placement plate to be in an inclined state, and therefore the metal plate is not prone to falling off when the metal plate is polished. Sprayed polishing liquid and polishing scraps can slide away from the surface of the metal plate more easily and fall into a waste collecting frame through a first through groove in the lower portion, the follow-up cleaning time of the metal plate is shortened, and the surface of the polished metal plate in the machining process is better observed.

The utility model provides an upper mounting mechanism of a spherical grinding machine. The upper mounting mechanism comprises a rack, a rotary driving device, a rotating shaft, a rotary connecting frame, a lifting driving device, a lifting movable plate and an upper workpiece mounting tool, the rotating shaft is vertically arranged and rotationally connected to the rack; the rotation driving device is installed on the rack, and the power output end of the rotation driving device is connected with the rotating shaft. The rotary connecting frame is fixed to one side of the lower end of the rotary shaft. The lifting driving device is installed on the rotary connecting frame, and the power output end of the lifting driving device is connected with the lifting movable plate. A mounting part inclined downwards in the horizontal direction is arranged on one side, corresponding to the rotating shaft, of the lifting movable plate; the upper workpiece mounting tool is perpendicular to the mounting part and is fixed below the mounting part; the grinding area of the workpiece can be increased, and the working efficiency is improved.

The alloy casting polishing table with the chipping cleaning function comprises a machine body shell and an alloy casting clamp arranged on the inner side of the machine body shell, a polishing wheel is arranged on the upper side of the alloy casting clamp, and the right side of the polishing wheel is connected with a third driving motor; and the third supporting frame is installed on the lower side of the alloy casting clamp, and a supporting block is arranged in the middle of the third supporting frame. According to the alloy casting grinding table with the chipping cleaning function, metal chippings generated by grinding can be conveniently collected and cleaned in the using process, so that the metal chippings generated by grinding are not prone to remaining in the device for a long time, and the situation that the use safety of the device is affected by the metal chippings is avoided; and meanwhile, in the using process of the device, the polishing position of the device is conveniently adjusted, so that the polishing position of the device is easily adjusted according to the polishing requirement of the alloy casting, the using efficiency of the device is improved, and the better using effect is achieved.

The utility model belongs to the technical field of test and inspection equipment, and discloses an eccentric grinding structure and a tissue dissociation instrument, a crushing box performs circular motion along the wall surface above a grinding box deviating from the circle center, the crushing box drives a second grinding strip and a scattering block to rotate, and the second grinding strip and a first grinding strip are matched to grind tissues on the side wall of the grinding box; the third grinding strip and the fourth grinding strip are matched to grind the tissue on the bottom surface of the grinding box, the tough tissue can be effectively ground no matter where the tough tissue is located, the grinding efficiency is high, the bottom plate is arranged above the ground, the grinding structure is arranged above the bottom plate, and a crushing box for filtering the tissue is arranged above the bottom plate; a crushing cutter for crushing tissue is arranged in the crushing box, a grinding box for containing the tissue is fixedly arranged on the top face of the bottom plate, a second grinding strip used for grinding the tissue on the side wall of the grinding box is fixedly arranged below the crushing box, and a scattering block used for grinding the tissue on the bottom face of the grinding box is arranged below the second grinding strip.

The invention relates to the technical field of binder production, and discloses a system and method for producing an iron-rich low-silicon composite binder for iron ore pellets, the system comprises a support frame, a dryer and a mixer are fixedly mounted at the top of the support frame, the mixer is located below the dryer, the top of the mixer is fixedly communicated with discharge ports of three bins, and the discharge ports of the three bins are communicated with the dryer; a material discharge port of the dryer is located at a feed port of the corresponding stock bin; a lower end opening of the mixing machine is formed in a feeding opening in the top of the first-stage grinding shell, a discharging opening in the bottom end of the first-stage grinding shell is fixedly communicated with the top of the second-stage grinding shell, and the side wall of the second-stage grinding shell is fixedly connected with the supporting frame. According to the system and method for producing the iron-rich low-silicon composite binder for the iron ore pellets, in the using process of the device, materials are finely ground through two stages of grinding mechanisms, and the materials can be efficiently ground through multiple grinding faces in different movement directions when the device operates.

The wheat flour grinding machine comprises an inclined block, a material collecting plate is fixedly connected to the top of the inclined block, supporting rods are fixedly connected to the periphery of the top of the material collecting plate, a grinding outer disc is fixedly connected between the tops of the four supporting rods, and when a pressing nut on an external thread is rotated, the grinding outer disc is fixedly connected to the periphery of the top of the material collecting plate; when wheat or wheat flour is ground, a lower pressing plate can press an external thread downwards, then a pressure spring is compressed, the pressure spring applies downward pressure to a pressing ring at the moment, and the pressure above an inner grinding disc is increased through a hollow shaft and a rotating shaft, so that finer wheat flour can be obtained when the wheat or the wheat flour is ground; and the wheat is ground for multiple times in a stepped manner, so that the grinding time can be shortened.

The interior wall grinding device comprises a movable base, a handrail support and a grinding mechanism, walking wheels are installed on the front side of the bottom end of the movable base, fixed wheels are installed on the rear side of the bottom end of the movable base, the handrail support is installed on one side of the movable base, and the grinding mechanism is installed on the front side of the upper end face of the movable base. The grinding mechanism comprises a mounting base, a lifting assembly and a grinding assembly, the lifting assembly is mounted between the mounting base and the upper end face of the movable base, and the grinding assembly is mounted on the upper end face of the mounting base. And the construction efficiency can be improved.

The utility model discloses a nasal feeding injection dosing device which comprises an injector, a nasal feeding tube, a container, a liquid inlet one-way valve, a liquid outlet one-way valve and a needle head, the liquid outlet one-way valve and the nasal feeding tube are sequentially installed at the nipple of the injector, a liquid inlet is formed in the cylinder wall of an empty cylinder of the injector, and the liquid inlet one-way valve and the needle head are sequentially installed at the liquid inlet. A grinding mechanism is arranged in the container, the needle head can be inserted into the containing cavity of the container, and infusion of nutrient solution and tablet medicine can be completed conveniently and rapidly.

The utility model provides a spherical surface grinding machine. The spherical surface grinding machine comprises a box body, an upper mounting mechanism and a lower mounting mechanism, the lower mounting mechanism comprises a first rotary driving device, a rotary table and a lower workpiece locking tool; the first rotary driving device is mounted on the case, and a power output end is connected with the turntable; the lower workpiece locking tool is mounted at the central position above the turntable; the upper mounting mechanism comprises a rack, a second rotating driving device, a rotating shaft, a rotating connecting frame, a lifting driving device, a lifting movable plate and an upper workpiece mounting tool; the rack is fixed on the box body; the rotating shaft is rotationally connected to the rack; the second rotation driving device is installed on the rack, and the power output end is connected with the rotating shaft. The rotary connecting frame is fixed on one side of the rotating shaft; the lifting driving device is mounted on the rotary connecting frame and is connected with the lifting movable plate; a mounting part inclined downwards in the horizontal direction is arranged on one side, corresponding to the rotating shaft, of the lifting movable plate; and the upper workpiece mounting tool is fixed below the mounting part.

The invention discloses special forming equipment for renovating a glass fiber reinforced plastic ship, which comprises an operation table, a moving mechanism, a renovating mechanism and a film covering mechanism, and is characterized in that the moving mechanism comprises a support frame, the support frame is used for bearing the glass fiber reinforced plastic ship, and the glass fiber reinforced plastic ship is driven to move through the support frame; the renovating mechanism comprises a spraying assembly and two symmetrically-arranged polishing assemblies, each polishing assembly comprises two symmetrically-arranged first spray heads, and the first spray heads are used for blasting sand to the glass fiber reinforced plastic ship; the spraying assembly comprises a discharging pipe, and a plurality of second sprayers are arranged on the discharging pipe. The film covering mechanism comprises a protective shell, an air film is arranged in the protective shell, and the glass fiber reinforced plastic ship is covered with the air film through a pneumatic assembly. The glass fiber reinforced plastic ship is renovated automatically through the moving mechanism, the renovating mechanism and the film covering mechanism, the structure is simple, and operation is convenient.

The utility model provides an ultra-large flow rotor grinding wheel which comprises a bearing assembly component, a matching positioning component, a grinding bearing component, a covering grinding material component and an axial limiting component, and due to the design of the matching positioning component and the axial limiting component of the grinding wheel, the connection between the grinding wheel and a driving rotating shaft is more stable; the design of the grinding bearing component enables the grinding wheel to have a large grinding area, multiple parts of a rotor can be ground at the same time, the grinding efficiency is improved, the design of the front notch and the back notch enables the grinding wheel to meet the grinding requirements of rotors of different shapes and sizes, the tail edges of the front notch and the back notch are provided with the flow guide ring faces, and the grinding effect is improved. The grinding fluid drainage device can guide the drainage process of grinding fluid, reduces flowing of the grinding fluid to the surface of the driving rotating shaft, effectively prevents corrosion and abrasion of the driving rotating shaft, keeps a grinding area clean, and has the advantages of being stable in structure, high in grinding efficiency, high in adaptability, good in drainage performance, easy to maintain and the like.

The utility model discloses a buckwheat grinding device which comprises a shell, a static grinding disc is fixedly arranged in the shell, a movable grinding disc is arranged below the static grinding disc, a feeding channel is formed in the center of the static grinding disc, a support is arranged on the upper wall of the shell, a rotating cylinder is rotationally installed on a cross beam of the support, a rotating rod is inserted in the rotating cylinder in a sliding mode, and the rotating rod is arranged in the shell. The lower end of the rotating rod is fixedly connected with the center of the upper wall of the movable grinding disc, an adjusting plate is fixedly installed at the upper end of the rotating rod, and a screw rod is rotatably installed on the upper wall of the support. And meanwhile, the conical structure facilitates natural grading of materials in the grinding process, ground powder is finer and more uniform, a user can adjust the gap between the movable grinding disc and the static grinding disc according to needs through the spiral connection design of the adjusting plate and the screw rod, and therefore the fineness of ground powder is controlled, and the requirements of different purposes are met.

The invention belongs to the technical field of die treatment, and particularly discloses an automobile part die-casting die treatment device which comprises a workbench, the workbench provides support for the whole device and places other assemblies, the upper side of the workbench is fixedly connected with a main box body, and the upper side of the main box body is fixedly connected with a treatment chamber. A servo motor rotates to drive a first lead screw to rotate, a moving block is further driven to slide, a first rotating shaft on the upper side of the moving block is made to move, and a first circular gear at the bottom of the first rotating shaft is meshed with a first rack plate to drive the first rotating shaft to rotate; the mold is further moved, rotated and ground, the grinding area of the surface of the mold is increased, the effect of multiple times of grinding on the mold is reduced, the grinding efficiency is improved, meanwhile, the mold is further fixed by arranging a fixing assembly, and the stability of the mold in the moving, rotating and grinding process is ensured.

The utility model discloses a steel ball milling structure which comprises an upper millstone and a lower millstone, a planetary gear set is arranged in the upper millstone and connected with a first driving part to drive the upper millstone to rotate, and the planetary gear set comprises a sun gear, a plurality of planetary gears and an outer gear ring. The planet wheels are arranged in the outer gear ring and distributed on the peripheral side of the sun wheel in a surrounding mode to be meshed with the sun wheel in a matched mode, the sun wheel and the planet wheels are arranged to be the same in size and connected with matched grinding assemblies, and matched grooves are formed in the upper grinding disc and the lower grinding disc. The lower millstone is provided with an outer edge and is connected with an adaptive second driving part to drive the lower millstone to rotate relatively below the upper millstone, the design of the steel ball milling structure can further increase the contact surface with the steel balls, the grinding area is increased, and meanwhile, a good grinding effect is achieved.

The invention relates to the technical field of connector machining, and discloses a cylindrical surface grinding device for connector base machining, which comprises a working disc, a mounting pipe is fixedly arranged in the middle of the top end of the working disc, a moving seat is slidably arranged in the mounting pipe, and four mounting rods are fixedly arranged on the side of the moving seat. A cross is arranged at the top ends of the four mounting rods, polishing bases are arranged below the four ends of the cross, and a synchronous adjusting assembly is arranged at the top of the cross. According to the invention, the arranged driving part can drive the connector base between the upper mounting column and the lower mounting column to rotate, so that the cylindrical surfaces of a plurality of connector bases can be simultaneously polished by using the polishing seat when the connector base rotates, the polishing area is larger, and the polishing efficiency is higher; and meanwhile, when the connector base rotates, the cross can be synchronously driven to reciprocate up and down, so that the polishing base is controlled to reciprocate up and down, and the polishing effect is further improved.

The present invention relates to a grinding device and method for grinding the thread groove of a screw with a profiling magnet, comprising a horizontal lathe body and a mobile grinding device, wherein the mobile grinding device comprises a profiling magnet, a motor, a deep groove ball bearing, a belt, a sleeve, and a mobile support frame, wherein the mobile support frame is driven by a slide box to move longitudinally on the horizontal lathe body; the mobile support frame is connected to a sleeve through a deep groove ball bearing, the sleeve is fixedly connected to the profiling magnet, the motor is fixed to the mobile support frame, the motor drives the belt, and the belt drives the sleeve to rotate; the horizontal lathe body clamps and fixes the screw to be processed, and drives the screw to be processed to rotate. The advantages are: large grinding area, high efficiency, compact structure, not easy to heat up, cost saving, low stress, the spiral surface and two side surfaces of the screw to be processed can be ground multiple times, the grinding effect is good, and it is especially suitable for precision instruments requiring ultra-precision processing, and occasions with extremely high requirements for transmission smoothness and accuracy.

The present invention discloses a high-strength and corrosion-resistant horizontal nano sand mill, comprising a machine base and a grinding cylinder, wherein the grinding cylinder is fixedly mounted on the upper end surface of the machine base, a grinding chamber is provided inside the grinding cylinder, a grinding cylinder rear end cover is provided at the left end of the grinding cylinder, a grinding cylinder front end cover is provided at the right end of the grinding cylinder, a main shaft is connected to the grinding cylinder for transverse rotation, the left end of the main shaft passes through the grinding cylinder front end cover and is provided with a driving mechanism, and a material separator is provided at the right end of the main shaft. In the present invention, a scraper is close to the inner wall of the grinding cylinder and is in contact and sliding connection with the inner wall of the grinding cylinder, so that the material and the grinding medium adhering to the inner wall of the grinding cylinder are scraped off, so that the material and the grinding medium are prevented from adhering to the inner wall of the grinding cylinder, so that the material is fully ground, and the material adhering to the inner wall of the grinding cylinder can be discharged in time, so that the material is fully utilized.

The utility model relates to the field of wall polishing, and discloses decorative wall polishing equipment which comprises a bottom plate, moving wheels are rotatably connected to the front and rear ends of the left and right side walls of the bottom plate, a push rod is fixedly connected to the front side of the top of the bottom plate, a base plate is fixedly connected to the rear side of the top of the bottom plate, and fixing rods are vertically and fixedly connected to the two corners of the right side of the top of the base plate. Guide rods are vertically and fixedly connected to the two corners of the left side of the top of the base plate, the top ends of the two fixing rods and the two guide rods are fixedly connected to the bottom of a top plate, and a lead screw is arranged between the top plate and the base plate. Through cooperation of the lead screw and the ball nut, the polishing mechanism can easily move up and down, and the polishing requirements of wall surfaces with different heights are met.

The utility model relates to the technical field of polishing devices, in particular to polishing equipment for production of stud reinforcing rib plates, which overcomes the defects of polishing devices in the prior art and comprises a first bottom plate, a first driving motor is fixedly connected to one side of the first bottom plate, a first fixing seat is fixedly connected to one side of the first bottom plate, and a second driving motor is fixedly connected to the other side of the first bottom plate. One side of the first driving motor is fixedly connected with a worm, the worm is rotationally connected with the interior of the first fixing seat, one side of the first bottom plate is rotationally connected with a first rotating rod, the surface of the first rotating rod is fixedly connected with a worm wheel, the worm wheel is in meshed connection with the worm, and one side of the first bottom plate is rotationally connected with a second rotating rod. A first gear is fixedly connected to the surface of the first rotating rod, a second gear is fixedly connected to the surface of the second rotating rod, the first gear is connected with the second gear in a meshed mode, and a first sector gear is fixedly connected to the surface of the first gear.

When the wall face polishing equipment for building construction is used, the rear side face of a wall body is polished through the polishing machine, meanwhile, the rotation driving device is started, and the driving shaft of the rotation driving device drives the left end of the connecting rod to rotate in the front-back direction; the limiting block is rotatably connected with the right end of the connecting rod in the front-back direction, the limiting block can move in the limiting groove in the inclination direction of the swing rod, the swing rod is driven by the limiting block to rotate in the front-back direction with the left end of the swing rod as the circle center, and therefore the right end of the connecting rod is driven to rotate in the front-back direction with the left end of the swing rod as the circle center. Finally, the right end of the swing rod and the grinding machine connected with the swing rod rotate in the front-back direction with the left end of the swing rod as the circle center. The grinding position of the grinding machine can be conveniently adjusted, the grinding area of the grinding machine is increased, the workload of constructors is reduced, and the wall grinding efficiency is improved.

The utility model relates to the technical field of automobile part polishing, and discloses an automobile part polishing device which comprises a U-shaped frame, an adjusting mechanism is arranged on the U-shaped frame, the adjusting mechanism comprises two side polishing pieces, and adjusting grooves are symmetrically formed in the sides, close to each other, of the two side polishing pieces. The inner wall of each adjusting groove is rotationally connected with a two-way stud through a bearing, the two ends of each two-way stud movably penetrate through the top and the bottom of the corresponding side grinding piece and continue to extend towards the top and the bottom, and hand wheels are fixedly installed at the extending ends of the two two-way studs correspondingly. The two-way stud is rotated by rotating the hand wheel, the two adjusting blocks on the two-way stud are made to be away from each other along the inner wall of the adjusting groove, and therefore the two positive grinding pieces are driven to be away from each other, the grinding area is increased, grinding treatment of the edges of disc accessories of different sizes is conveniently matched, and the applicability is high.

The utility model relates to the technical field of metal processing, and discloses a corner polishing device for stainless steel shell processing, which comprises a workbench and a mounting shell bolted to the inner wall of the workbench, and further comprises a stepping motor bolted to the bottom of the inner wall of the mounting shell, a swing mechanism is arranged on one side of the fixing shaft, a spur gear is arranged on one side of the swing mechanism, and a fixing rod is fixedly connected to one side of the surface of the spur gear; through cooperation of the stepping motor, the fixing shaft, the swing mechanism, the spur gear and the fixing rod, the polishing area of the polishing assembly on the corners of the shell can be increased, the polishing effect of the polishing device is improved, under cooperation of the fixing shaft, the lifting mechanism and the installation base, the shell is made to do repeated lifting motion, and the polishing effect is improved. And workers do not need to manually polish up and down when polishing corners exceeding the polishing component, so that the workload of the workers is reduced, and the working efficiency is improved.