11results about How to "Effective sanding" patented technology

The utility model discloses a handheld belt sander which comprises a holding rod, one end of the holding rod is connected with a power wheel through a power device, the side wall of the holding rod is connected with a horizontally-arranged mounting plate through a spring supporting device, and the upper side of the mounting plate is fixedly connected with a vertically-arranged fixing plate. A vertically-arranged limiting rail is arranged on the side wall of the fixing plate, a lifting rod penetrates through the limiting rail and is connected into the limiting rail in an up-down sliding mode, a threaded rod is connected to the side wall of the lifting rod in a threaded and penetrating mode, and the bottom end of the threaded rod is rotationally connected to the upper side of the mounting plate. According to the device, the power wheel, the guide wheel, the abrasive belt, the extrusion spring, the fixing cylinder, the supporting rod and other components are arranged, the arc-shaped surface of a workpiece can be effectively polished, the abrasive belt can be manually and rapidly switched, and convenience is high.

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 present application relates to the technical field of resistance spot welding, in particular to a kind of fast spot welding equipment for notebook antenna processing, including rack, two telescopic cylinders installed on rack, and the spot welding mechanism connected on each telescopic cylinder, spot welding mechanism includes rack, sprocket, chain, electrode ware, grinding bar device and slope curved rod, resistance spot welding is carried out after the taper electrode column in the application and workpiece contact, after welding, taper electrode column eliminates the sticking between workpiece by autorotation, then taper electrode column retreats to separate from workpiece, used taper electrode column is experienced polishing cleaning, eliminate tip adherend, carry out next spot welding operation, to avoid that the taper electrode column tip and workpiece between residual adherend lead to power supply anomaly.

The application discloses a end face grinding device for steel wire processing, which comprises a grinding box, a guide assembly for steel wire feeding is arranged on the top of the grinding box, a grinding block driven by a driving mechanism is movably connected to the inner cavity of the grinding box, a grinding groove and a discharging groove are respectively arranged in the inner cavity of the grinding block, and the application relates to the technical field of steel wire processing. The end face grinding device for steel wire processing is characterized in that the steel wire is placed into the guide assembly, the steel wire is spread and then falls into the limiting groove in the guide block, and then the bottom end falls into the grinding groove of the grinding block, the grinding block reciprocates, the end of the steel wire is ground by the rough particles in the grinding groove, the bottom end and the side surface of the steel wire can be effectively ground, the steel wire rotates while reciprocating, so that each surface of the steel wire can be effectively ground, and the steel wire can be quickly discharged after grinding.

A coal sorting device for coal power equipment relates to the field of coal sorting and comprises a feeding mechanism and a pneumatic sorting mechanism. The feeding hopper is arranged at the top feeding end of the coarse screening box, the coarse screening plate is arranged in the coarse screening box, a material conveying pipe is arranged at the discharging end of the coarse screening box, the pneumatic sorting mechanism is used for conducting negative-pressure screening on sorted materials and fine materials, a fine material guiding-out assembly is arranged at the discharging end of the negative-pressure fan, and a sorted material guiding-out assembly is arranged at the bottom of the sorting cylinder. According to the coal sorting device for the coal power equipment, sorted materials and fine materials are intensively sucked away and transferred through the negative pressure fan; dust is also absorbed by negative-pressure airflow in the coarse screening process, and dust cannot be generated; fine materials enter the sorting cylinder and are filtered for the second time through the fine material screening plate, and the fine materials are filtered out. The selected materials are stirred and ground by the stirring rod in the separation cylinder, fine materials and edges and corners attached to the surfaces of the selected materials are effectively ground, the fine materials in the selected materials are reduced to the minimum, impurities in the selected materials are reduced, and the purpose of fine separation of the coal materials is achieved.

This invention relates to the field of pipe fitting processing technology, specifically to a burr removal device for grooved pipe fittings. The device includes a base, a rotary motor, a mounting plate, multiple clamping components, a grinding motor, a grinding disc, and two grinding brushes. Each clamping component includes a slider, a first spring, and a clamping rod. The multiple clamping components are symmetrically arranged in pairs in a cross shape on the mounting plate for fixing right-angle bent pipe fittings, cross-shaped pipe fittings, etc., and are installed according to the specific shape of the grooved pipe fitting. The grinding motor is perpendicular to the rotary motor and drives the grinding disc to rotate, which in turn drives the two grinding brushes to rotate, thereby grinding the grooved pipe fitting from the side. After grinding one outlet end of the grooved pipe fitting, the rotary motor is started, rotating 90 degrees to grind the other side. This invention enables rapid loading and effectively clamps pipe fittings of various shapes, thus solving the problems of limited applicability of existing devices and the need for multiple grinding devices, leading to increased costs.

The utility model discloses a kind of shell processing equipment of compressor, it is related to compressor shell processing technical field, specifically for including equipment frame, the top of equipment frame is fixedly installed with screw rod module, the moving end of screw rod module is fixedly installed with angle frame, the middle part of angle frame is fixedly connected with pneumatic push rod one, the output end of pneumatic push rod is fixedly installed with clamping mechanism, further include: polishing mechanism, conveying mechanism and shell bearing plate.The shell processing equipment of the compressor, conveying can be carried out to compressor shell by conveying mechanism, reach the purpose of automatic feeding and discharging, pneumatic push rod three extends and can limit the conveying of compressor shell, clamping mechanism is conveniently grabbed, pneumatic push rod one telescopic can drive clamping seat to move up and down, pneumatic push rod two telescopic can drive conical extrusion platform to move, to make push piece horizontal sliding, drive three clamping plate extension to clamp compressor shell, to move compressor shell to polishing mechanism position.

This invention discloses an auxiliary device and method for grinding overhead pipelines. The auxiliary device includes a grinding machine and a mounting frame for fixing the grinding machine relatively on the overhead pipeline. The mounting frame is provided with a slip ring for mounting the grinding machine. The slip ring adopts a segmented structure, including a first slip ring segment and a second slip ring segment. One end of the second slip ring segment is hinged to the first slip ring segment, and the other end is detachably connected to the end of the first slip ring segment after passing around the overhead pipeline during grinding. An adjustment mechanism is provided on the mounting frame for adjusting the slip ring to be concentric with the overhead pipeline by moving the slip ring as a whole through the first slip ring segment. The segmented structure design of the slip ring for mounting the grinding machine allows the second slip ring segment to be installed around the overhead pipeline, and the adjustment mechanism keeps the slip ring in a concentric position with the overhead pipeline, which can effectively grind the weld of the overhead pipeline and ensure the grinding effect of each circumferential position of the weld.

This utility model discloses an acid pickling and grinding device for circuit board processing, including a platform top frame, an extension frame, an electric drive guide rail, a movable slide table, and a board acid pickling and grinding unit. During use, to ensure effective acid rinsing of the substrate, an external air pump can be driven to inject gas into the air supply pipeline. The gas ejected from the air supply pipeline will push the acid pickling liquid inside the acid pickling chamber to circulate and spray from both sides of the board, ensuring the acid pickling effect. After the electric drive grinding roller is started, it again drives two sets of grinding frames to rotate and approach the substrate surface via the electric drive shaft, performing contact grinding on the substrate surface. To ensure that the electric drive grinding roller effectively grinds all positions on the substrate surface, during the grinding step, the grinding frame can be moved vertically back and forth by driving the vertical guide rail, allowing the electric drive grinding roller on the grinding frame to fully grind the substrate surface, ensuring a good stencil effect on the substrate surface.

The utility model discloses a kind of metal inner cavity polishing devices, it is related to metal polishing technical field.The utility model includes gas injection pipe, gas blowing drive assembly, pipe sleeve bending assembly and polishing head, pipe sleeve bending assembly includes fixed sleeve pipe and bending pipe, a group of buffer hoops is fixed to the outside wall axial array of gas injection pipe with sleeve, gas blowing drive assembly is set in the one end port of gas injection pipe, polishing head is sleeved in the outside of gas blowing drive assembly, fixed sleeve pipe and bending pipe are all sleeved in the outside of gas injection pipe, the side end surface of fixed sleeve pipe is hinged with the side end surface of bending pipe, the one end of gas injection pipe away from gas blowing drive assembly is connected with air compressor.The utility model drives polishing head to rotate by injecting high-pressure air into gas injection pipe, and rotating gas blowing drive assembly by high-pressure air, and the inner cavity of metal component is polished by polishing head;By bending to pipe sleeve bending assembly, gas injection pipe is bent into certain angle, and it is convenient to extend polishing head to the inner wall of metal cavity that needs to be polished.

The utility model provides a derusting device for a steel structure. The derusting device comprises a shell, the base structure comprises a placement table, and the shell is fixed to the center of the surface of the placement table; the adjusting structure is installed in the middle of the top face of the shell, the adjusting structure comprises a fixing plate, and the fixing plate is installed on the inner side wall of the shell in a sliding mode; the number of the polishing structures is two, and the two polishing structures are opposite to each other up and down; the side grinding structure comprises a side grinding plate and a sliding toothed plate; the reciprocating structure is mounted in the placement table; the belt is connected to the side walls of the two pulleys with the same height in a sliding mode, and the reciprocating structure conducts transmission through the belt; the steel structure rust removal device has the advantage that the two side edges of a steel structure can be conveniently polished.