133results about How to "Achieve grinding" patented technology

The invention relates to the technical field of pipe inner wall polishing, in particular to a plastic pipe inner wall polishing device. Comprising a sliding ring slidably arranged on a mounting cylinder, the right side of the sliding ring is connected with an air inflation bag, the right end of the air inflation bag is connected with the mounting cylinder, a fixedly-arranged second electric push rod and a slidably-arranged air pump are further fixedly mounted on the mounting cylinder, and the telescopic end of the second electric push rod is connected with the sliding ring. And a connecting pipe is communicated between an air outlet of the air pump and the inflatable bag. The movable part, the telescopic polishing block and the concentration mechanism are arranged and jointly assist to achieve adaptive adjustment of different pipe diameters, in addition, the inwards-concave inflatable bag is designed, so that the pipeline is adjusted and attached in a matched mode, abrasive dust is efficiently pushed out, the flexibility and adaptability of the equipment are enhanced, and the service life of the equipment is prolonged. And cleaning and polishing are integrated, so that the device can be operated more easily, and the overall using effect and working efficiency of the device are improved.

The utility model discloses an aviation aluminum alloy pipe type casting polishing device which comprises a base, two sets of supporting seats are arranged on the base, two sets of first electric push rods are symmetrically arranged on the two sets of supporting seats through supporting grooves, supporting roller sets are arranged at the output ends of the first electric push rods, and a second electric push rod is arranged above the base through a mounting frame. A driving roller set is arranged at the bottom end of the second electric push rod, an external grinding block is arranged on one side of the middle of the supporting base and the driving roller set, a movable driving structure is arranged in cooperation with the external grinding block, and a mounting base is arranged on one side of the base through a third electric push rod. A first motor, a fourth electric push rod and an internal grinding roller which are sequentially connected are arranged on the mounting base, flexible supporting and rotating driving of the aviation aluminum alloy pipe type casting during grinding can be achieved, meanwhile, synchronous grinding of the interior and the outer wall of the aviation aluminum alloy pipe type casting can be achieved synchronously, and the machining efficiency is improved.

The utility model relates to a steel rail welding seam automatic polishing device which comprises a frame body, a steel rail welding seam automatic polishing device and a steel rail welding seam automatic polishing device. The grinding device is arranged on the frame body and comprises a grinding assembly, a feeding assembly, a transverse moving assembly and a swinging assembly, the feeding assembly, the transverse moving assembly and the swinging assembly are connected to the grinding assembly, the grinding assembly is used for driving a grinding wheel to grind the steel rail, the feeding assembly and the swinging assembly are used for driving the grinding assembly to feed, transversely move and swing, and the feeding assembly is arranged above the grinding assembly; the driving unit comprises a plurality of profiling wheels arranged on the frame body, and the profiling wheels are connected to the steel rail to be polished in a rolling mode; and the power unit is used for supplying power to the grinding device. The feeding assembly is arranged above the grinding assembly, the problem that equipment is jacked up during grinding can be avoided, the grinding stroke can be increased, and the straightness of one meter can be improved.

The utility model provides an adjustable manual polishing platform for a hub. The adjustable manual polishing platform comprises a round hole square plate, the supporting circular plate is arranged on one side of the circular hole square plate, the supporting circular plate is connected with a rotating ring, the rotating ring is connected with the circular hole square plate through a bearing, the supporting circular plate is provided with a set of straight grooves, a circular rod is arranged in each straight groove, and each circular rod is connected with the supporting circular plate; the manual buckles are arranged on one side of the supporting circular plate, each manual buckle is connected with a limiting check block, and each limiting check block is connected with a sliding block. The utility model relates to the technical field of hub machining technologies, in particular to an adjustable manual hub polishing platform. Aiming at the defects in the prior art, the adjustable manual polishing platform for the hubs is developed, the hubs with different sizes can be fixed, and then the angles of the hubs are adjusted, so that manual polishing is conveniently realized.

The invention provides an eccentric design structure of a butterfly valve body turning and grinding composite machine tool. The eccentric design structure comprises a lathe bed, a sliding table arranged at the top of the lathe bed, a spindle box, a first fixing seat, a second fixing seat and a chuck, wherein the spindle box, the first fixing seat, the second fixing seat and the chuck are fixedly installed on the sliding table. According to the eccentric design structure of the butterfly valve body turning and grinding composite machine tool, the lead screw is rotated, the first sliding rail and the second sliding rail can be driven by the limiting plate to synchronously rotate around the axial direction of the rotary table, and then the directions of the turning tool and the grinding wheel can be adjusted according to the taper of the machining face of the butterfly valve body; the second sliding plate and the third sliding plate can be driven by the third servo motor and the fourth servo motor to move independently, meanwhile, the feeding amount of the turning tool and the feeding amount of the grinding wheel are adjusted independently, the structure is matched with a control system of the composite machine tool, follow-up grinding can be achieved, continuous turning and grinding of a machined face are achieved, and the machining efficiency is improved. And compared with a traditional equipment machining mode, the loss of the turning tool and the grinding wheel is small, and the workpiece surface machining quality is good.

The present invention relates to the technical field of corn stalk crushing, and specifically to a corn harvester stalk crushing device based on mechanical interlocking action, comprising a shell; the shell is a cylindrical structure, a plurality of blades are evenly arranged around the axis of the shell in the shell, the blades rotate around the axis of the shell in the shell, the blades have a crushing mode and a grinding mode, when the blades are in the switching mode, the blades rotate around their own extension direction, when the blades are in the crushing mode, the blade end face is parallel to the horizontal plane, when the blades are in the grinding mode, there is an angle between the blade end face and the horizontal plane, a sharpening unit is arranged in the shell, the sharpening unit comprises a lifting frame arranged in the shell in a vertical direction, two grindstones are arranged vertically on the lifting frame, and the grindstones are arranged along the radial direction of the shell. The present invention enables the blades to cut the stalks for a long time, and the cutting efficiency is always constant.

The utility model discloses a superfine powder coating grinding device, and particularly relates to the field of coating grinding, the superfine powder coating grinding device comprises a grinding box, the bottom of the grinding box is fixedly connected with a protection box, one side of the top of the grinding box is fixedly connected with a grinding box, and the middle of the grinding box is provided with a grinding roller; a discharging through hole is formed in the top of an inner cavity of the powder grinding box, a grinding bottom plate is fixedly connected to the bottom of the inner cavity of the powder grinding box, and a grinding disc is arranged in the middle of the powder grinding box. The grinding box is arranged to primarily grind raw materials, the first motor is started to control the grinding disc to rotate to be combined with the grinding bottom plate to conduct secondary grinding, grinding of superfine powder is achieved, meanwhile, the second motor is started through the vibration frame mechanism to control the second limiting frame to vibrate, and the filtering drawer can be driven to vibrate; therefore, powder particles which do not meet requirements in finished products falling in the middle of the filtering drawer are screened from the finished products, and the quality of the finished products is improved.

The invention relates to the technical field of grinding equipment, in particular to a metal pipe fitting synchronous grinding device which comprises a base, a supporting column is fixedly arranged on the upper surface of the base, a limiting ring is fixedly arranged at the top end of the supporting column, a rotating cylinder is rotationally arranged in the limiting ring, and mounting openings are symmetrically formed in the outer wall of the rotating cylinder; a first telescopic part is fixedly arranged in the mounting opening, a movable plate is arranged at the telescopic end of the first telescopic part, a mounting frame is connected to the outer side of the movable plate in a sleeving mode, a fixed rod is fixedly arranged on the inner wall of the mounting frame and penetrates through the movable plate, and a movable rod is movably arranged on the outer wall of the mounting frame in a penetrating mode. According to the metal pipe fitting polishing device, metal pipe fittings of different sizes can be conveniently polished, when the metal pipe fittings are moved out of one end of the rotary drum, the to-be-polished metal pipe fittings of the same size can be immediately fed into the rotary drum, continuous and synchronous polishing of the metal pipe fittings can be achieved, the polishing efficiency is effectively improved, and the using effect is better.

The invention discloses a soil remediation agent as well as a preparation process and a preparation system of the soil remediation agent. The soil remediation agent is prepared from the following raw materials: citric acid modified manioc waste, hydrotalcite-like compound, fly ash and a microbial agent, the preparation process of the soil remediation agent comprises the following steps: S1, adding the citric acid modified manioc waste, the hydrotalcite-like compound and the fly ash into preparation equipment according to a ratio; the preparation system comprises preparation equipment, the preparation equipment comprises an annular supporting seat, and a preparation cylinder is mounted on the annular supporting seat. According to the soil remediation agent, the adsorption effect on heavy metal cadmium is remarkably improved, the soil flora environment is improved through the microbial agent, plant growth is promoted, the multiple production steps of mixing, grinding, drying and the like are integrated in the same equipment, integrated production of the soil remediation agent is achieved, and the soil remediation agent is suitable for large-scale production. Therefore, the running times of raw materials among different devices are remarkably reduced, the workload of workers and the workload during production are reduced, and the production efficiency is improved.

The invention provides a railway track maintenance rust mark polishing device, and relates to the technical field of railway track maintenance, the railway track maintenance rust mark polishing device comprises a moving frame, the upper surface of the moving frame is provided with a dissolving mechanism and a polishing mechanism for dissolving and polishing track rust, and two sides of the moving frame are respectively provided with a driving mechanism for driving the moving frame to move on a railway track. According to the device, the dissolving mechanism is arranged, a sodium hydroxide dissolving solution is evenly sprayed to the surface of a railway track through an atomizing nozzle, and when sodium hydroxide reacts with rust, soluble ferrite can be generated, so that the rust is separated from the railway track; meanwhile, a grinding mechanism is arranged, the railway track is repeatedly rubbed through a brush, so that grinding and rust removal of the surface of the railway track are achieved, purified water is sprayed through a high-pressure spray head in the friction process, a sodium hydroxide solution and ferrite remaining on the surface of the railway track are washed away, and the high-pressure spray head can also wash away rust attached to the brush; therefore, the maintenance for removing the rust on the surface of the railway track is realized.

The utility model discloses an outer wall anti-leakage plugging mechanism in the technical field of building construction, which comprises a U-shaped frame, a handle, a battery box and a controller are mounted on the outer wall of the left side of the U-shaped frame, mounting seats are arranged at two ends of the top wall and the bottom wall of the U-shaped frame, rolling balls are connected in each group of mounting seats in a rolling manner, and a motor is mounted on the inner side surface of the U-shaped frame through a support. The output end of the motor is connected with a fixing cylinder, a telescopic rod and a grinding disc, a T-shaped groove is formed in the bottom wall of the U-shaped frame, a collecting box is slidably connected to the bottom wall of the U-shaped frame, a T-shaped block matched with the T-shaped groove is connected to the bottom of the collecting box, a U-shaped base is further installed on the outer wall of the collecting box, a fixing groove is formed in the bottom wall of the U-shaped frame, and a fixing mechanism is arranged between the U-shaped base and the fixing groove. According to the waterproof putty grinding and brushing device, chippings falling during waterproof putty grinding and brushing can be collected, manual sweeping is not needed, the working efficiency is improved, rapid disassembly and assembly of the collecting box and the U-shaped frame are achieved, and the waterproof putty chippings collected in the collecting box can be conveniently and uniformly cleaned in the follow-up process.

The utility model relates to the technical field of polishing devices, in particular to vehicle water-cooling intercooler radiating pipe polishing equipment which is stable in structure, improves the polishing quality and improves the working efficiency. Comprising a bottom plate, a position adjusting assembly, a grinding assembly, moving assemblies and a clamping assembly, the position adjusting assembly is installed on the top of the bottom plate, the grinding assembly is installed on the position adjusting assembly, the moving assemblies are installed at the front end and the rear end of the top of the bottom plate, and the clamping assembly is installed on the moving assemblies.

The utility model relates to railway maintenance field especially relates to a railway track joint bolt rust cleaning equipment. The traditional rust cleaning mode, the staff is inefficient to the bolt polishing and is not convenient to polish the sleeper surface around the bolt when polishing the bolt. A kind of railway track joint bolt rust cleaning equipment, including sleeve;Two bolts are equipped on sleeper, the sleeve is located above one of the bolt, the middle part of the sleeve is hollowly arranged, motor is fixedly connected in the sleeve interior, transmission sleeve is fixedly connected on motor output shaft. Motor output shaft rotation drives transmission column rotation, transmission column rotation drives polishing cylinder rotation, the steel brush inside the polishing cylinder rotation is set and is polished to bolt, so as to realize the polishing of automatic bolt, and the polishing cylinder drives the polishing disc rotation and is polished to the sleeper surface around bolt, remove the rust of the sleeper surface close to bolt, and rust cleaning is more convenient and comprehensive.

A fully automatic grinding and trimming equipment for laminated board wooden doors belongs to the field of wooden door grinding, and comprises: a grinding mechanism, a positioning mechanism and a shifting mechanism. The grinding mechanism comprises a base, a grinding assembly, a cylindrical gear, a rack and an electric cylinder. There are two groups of grinding assemblies, which are slidably installed on both sides of the upper end of the base, and the distance between the two groups of grinding assemblies can be adjusted; the grinding assembly comprises a grinding slide, a screw, a limit rod, a spring column, an adjustment plate, a grinding wheel and a motor three, wherein the grinding wheel can be replaced to adapt to laminated board wooden doors of different specifications, and the grinding assembly can grind both sides of the laminated board wooden door; the positioning mechanism comprises a moving assembly and a positioning assembly, the positioning assembly can position and fix the laminated board wooden door, and then feed the laminated board wooden door through the moving assembly; the shifting mechanism can rotate the laminated board wooden door placed on the positioning mechanism by ninety degrees, so as to grind the other two sides of the laminated board wooden door.

The invention discloses a lipstick raw material mixing system, and relates to the technical field of cosmetic production, the lipstick raw material mixing system comprises a tank body, a cover body, a first motor and a stirring paddle, the stirring paddle penetrates through the cover body and is fixedly connected with the first motor; a grinding seat is fixedly arranged at the inner bottom of the tank body, an inverted-cone-shaped grinding cavity is formed in the grinding seat, an inverted-cone-shaped grinding block is rotationally arranged in the grinding seat, and a supporting column is fixedly arranged at the small end of the inverted-cone-shaped grinding block; a second motor is fixedly arranged at the outer bottom of the tank body and is fixedly connected with the supporting column; at least one circulating device is fixedly arranged on the outer side of the tank body and comprises a circulating main pipe, a first branch pipe, an electric push rod, a second branch pipe and a piston, the circulating main pipe communicates with the inverted-cone-shaped grinding cavity based on the first branch pipe and communicates with the middle space of the tank body based on the second branch pipe, and the output end of the electric push rod is fixedly connected with the upper end of the piston. By integrating the stirring structure, the grinding structure and the circulating device, grinding and stirring collaboration is achieved, the process is simplified, and the mixing uniformity is improved.

The utility model discloses a wooden furniture producing and processing device, which relates to the technical field of furniture processing and comprises a bottom box, a bottom box door arranged at the front end of the bottom box, an upper box arranged at the top of the bottom box, an upper box door arranged at the front end of the upper box, and clamping mechanisms symmetrically arranged on two sides in the upper box and used for fixing plates. And grinding mechanisms used for grinding the top face and the bottom face of the plate are symmetrically arranged at the top end and the bottom of the interior of the upper box, each grinding mechanism comprises a linear moving assembly, a vertical telescopic cylinder and a grinding assembly, the linear moving assemblies are arranged in the front-back direction of the upper box, the vertical telescopic cylinders are arranged on the linear moving assemblies, and the vertical telescopic cylinders are connected with the grinding assemblies. According to the device, comprehensive grinding of furniture plates is achieved, the structure is simple, and the grinding efficiency of the furniture plates is greatly improved.

An online slip ring grinding device and its method of use include a brush holder with a detachable grinding body adjustment device. The grinding body adjustment device includes a sliding sleeve insert connected to a support tube arm, which in turn connects to a brush box. The brush box contains a grinding body and a first spring, with the grinding body cooperating with the first spring. A brake rod is located within the support tube arm, its middle section connected to the support tube arm via a second fixing pin. One end of the brake rod has a grinding body braking protrusion for braking the grinding body, and the other end has a trigger protrusion that cooperates with a cam. The cam is mounted on an operating rod, with a handle at the end of the operating rod. A second spring is located on the brake rod for resetting the brake rod. This invention enables grinding of slip rings without shutting down the equipment, ensuring a sufficient safe distance between the operator and the slip ring device, thus enhancing operator safety.

The invention discloses an efficient edge grinding machine for photovoltaic glass. The efficient edge grinding machine comprises a base table, a fixed material guiding unit, a movable material guiding unit, a first grinding unit, a second grinding unit, two bracket units and a translation driving unit used for driving the second grinding unit to translate. The two bracket units are located between the first polishing unit and the second polishing unit. According to the edge grinding machine, width adjustment can be achieved, so that glass with the large width can be ground, glass with the small width can also be ground, and the edge grinding machine adapts to grinding of photovoltaic glass with different widths. And the positions of the bracket unit in different states can be detected, so that normal operation of the edge grinding machine is ensured.

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 straight knife grinding and polishing equipment, including the body and the sucking disc workstation who sets along the body length direction, sucking disc workstation can rotate left and right and adjust the work position, and the grinding head seat is swingly supported on the body through horizontal guide rail pair, and the grinding head is swingly supported on the grinding head seat through vertical guide rail pair and grinding head slide seat, and the grinding head is driven to run by grinding head motor, and the horizontal guide rail pair is also provided with horizontal shift slide table on one end of grinding head seat, and the polishing support is provided with on horizontal shift slide table through polishing wheel lifting guide rail pair, and the polishing motor is installed on the polishing support, and the motor shaft of polishing motor is vertically arranged, and the polishing wheel disc is installed on the motor shaft end of polishing motor, and the inclined polishing surface is arranged on the upper end face outer periphery of polishing wheel disc. The straight knife grinding and polishing equipment of the utility model not only can realize the grinding and polishing processing of the sheet straight knife, but also is simple in structure and convenient to use.

This invention relates to the field of MDF processing technology and discloses a fine sanding device for MDF, comprising: a base, a two-dimensional slide table disposed on the upper surface of the base, a board clamping assembly mounted on the two-dimensional slide table, and a groove formed on the surface of the two-dimensional slide table, a mounting bracket fixedly mounted on the base, and a support frame slidably disposed on the side of the mounting bracket near the two-dimensional slide table. This invention employs a technical means of cooperating a first moving component and a second moving component. First, the second moving component drives multiple bases to expand or contract at equal intervals to adjust the distance between multiple electric sanding components. Then, the first moving component drives the electric sanding components to move downwards, thereby achieving the sanding of multiple equidistant circular holes on the MDF board. This overcomes the shortcomings of existing technologies and achieves the technical effects of improving sanding efficiency and ensuring sanding quality.

The utility model discloses a full-automatic surface grinding machine, which relates to the technical field of grinding machines and comprises a bottom plate and a rotating rod, the rotating rod is rotatably arranged in the middle of the upper surface of the bottom plate, a first motor is fixedly arranged on the lower surface of the bottom plate, and the output end of the first motor is fixedly connected with one end of the rotating rod. A transverse plate is fixedly arranged at the upper end of the rotating rod, a first transverse rod is arranged below the transverse plate, a second transverse rod is arranged below the first transverse rod in parallel, first side plates are fixedly arranged on the two sides of the lower surface of the second transverse rod, and a grinding roller is rotationally arranged between the two first side plates; and a second motor is fixedly arranged on the outer side of the first side plate on one side. By the adoption of the double-station design, after a workpiece on one side is polished, the polishing mechanism can be rotated to the station on the other side to conduct highly continuous polishing work, time wasted by material changing is shortened, and production efficiency is improved.

The utility model discloses a chemical raw material grinding device, and particularly relates to the technical field of chemical raw materials, the chemical raw material grinding device comprises a box body, the top end of the box body is provided with a feed hopper, and the bottom end of the box body is provided with a discharge port; and the first grinding mechanism comprises a grinding cylinder which is rotationally installed at the bottom end of the feeding hopper and located in the box body, a first rotating assembly is arranged at the top end of the grinding cylinder, a conical grinding roller is arranged in the middle of the interior of the grinding cylinder, and a supporting frame is fixedly connected between the top end of the conical grinding roller and the feeding hopper. The first grinding mechanism is arranged, the first grinding mechanism is composed of the grinding cylinder, the conical grinding roller, the first grinding head, the second grinding head and the like, materials can fall into the position between the grinding cylinder and the conical grinding roller which rotate relatively, and the distance between the first grinding head and the second grinding head is gradually reduced from top to bottom; and under the extrusion action of the grinding wheel and the materials, multi-stage grinding and crushing of the materials can be continuously realized.

The application discloses a kind of surgical blade automatic grinding and polishing integrated equipment, it is related to grinding and polishing integrated equipment technical field, including integrated mechanism, the cleaning mechanism includes two first electric cylinders and two distance sensors, second electric cylinder is arranged between the bottom of multiple connecting blocks, shell is provided on the buffer support, transducer is additionally installed at the bottom of the shell, the inside of the shell is perfused with liquid, the shell and transducer are cooperatively assembled, the transducer generates high-frequency vibration and is transmitted to the water body in shell, for let water body vibrate to strip the magnetized surgical blade grinding dust adsorbed on the magnetic surface of first electromagnet, the present application can solve the influence of the remanence adsorbed in the magnetic surface of first electromagnet, end face gap and rubber sealing groove on blade transfer by being provided with cleaning mechanism, to further guarantee the stability of martensitic stainless steel blade in the process of handling, to further improve the overall machining efficiency of the equipment in intelligent manufacturing equipment industry.

The utility model discloses a mechanical cutter edge grinder which comprises an edge grinding table, supporting legs are evenly arranged below the edge grinding table, a multi-purpose assembly is arranged on one side of the edge grinding table, a grinding assembly is arranged on the edge grinding table, the grinding assembly is arranged on one side of the multi-purpose assembly, a cleaning assembly is arranged on the edge grinding table, and the cleaning assembly is arranged on the other side of the multi-purpose assembly. The cleaning assembly is arranged on the side, away from the multi-purpose assembly, of the grinding assembly and connected to the multi-purpose assembly. The utility model relates to the technical field of grinding equipment, in particular to a mechanical cutter edge grinder.

The invention discloses garden dead leaf ground collecting and crushing treatment equipment, and relates to the technical field of dead leaf crushing treatment.The garden dead leaf ground collecting and crushing treatment equipment comprises a rack, a feeding box is fixedly connected to the front side of the rack, a crushing box is fixedly connected to the rear side of the rack, a flow guide cavity is formed in the crushing box, and a crushing frame is fixedly connected to the interior of the crushing box; a main shaft is rotationally connected into the crushing frame, a plurality of grinding wheels are fixedly connected to the outer side of the main shaft in a linear array mode, a plurality of crushing wheels are fixedly connected to the outer sides of the two side rods in a linear array mode, a plurality of auxiliary plates are fixedly connected to the side, facing the crushing wheels, of the transverse plate, and a plurality of grinding grooves are formed in the side, away from the auxiliary plates, of the transverse plate. According to the garden dead leaf ground collecting and crushing treatment equipment, the granularity of branches and leaves can be further refined, it is ensured that the crushing effect is more thorough, the crushing range is widened, the branches and leaves can be repeatedly crushed, and the crushing effect is improved.

The invention relates to a bearing bush grinding device of a crankshaft grinding machine, and belongs to the technical field of automobile engine crankshaft machining equipment. Comprising a tailstock, a pressing mechanism, a grinding rod, a headstock tip, a speed reducer, a motor, an electric control mechanism, a plurality of connecting pieces and a bottom plate, the tailstock, the pressing mechanism and the speed reducer are all installed on the bottom plate, the motor is connected with the speed reducer, and the two ends of the headstock center are connected with the output end of the speed reducer and one end of the grinding rod in a one-to-one correspondence mode through the connecting pieces. The tailstock is connected with the end, away from the headstock tip, of the grinding rod, and a crankshaft grinding machine bearing bush is detachably installed on the pressing mechanism and abuts against the circumferential face of the grinding rod under the downward pressing effect of the pressing mechanism. The crankshaft grinding machine bearing bush grinding device is beneficial to automatic grinding of crankshaft grinding machine bearing bushes, good in crankshaft grinding machine bearing bush grinding quality, high in efficiency, low in labor intensity of operators, high in practicability and suitable for being used and popularized in large-scale industrial production.

The utility model relates to the technical field of welding equipment parts, in particular to a wind power generation tower barrel section welding auxiliary device which comprises an extension rod, the extension rod is in a hollow state, the extension rod is of a relative rotation structure, the extension rod is fixedly connected with a plurality of sets of fixing bases, and one end of each fixing base is fixedly connected with an adaptive assembly. A plurality of sets of supporting arms are rotationally connected to the fixing base, connecting arms are rotationally connected to the supporting arms, and a polishing assembly is fixedly connected to one end of each connecting arm; the adaptive assembly is used for adjusting the position of the fixed seat to adapt to power generation tower shell rings with different sizes; the polishing assembly is used for cleaning and polishing the inner wall of the power generation tower shell ring, after the device is installed in place, the polishing assembly can be started to clean and polish the inner wall of the power generation tower shell ring, it is guaranteed that the surface of the inner wall is smooth, and good working conditions are provided for follow-up welding operation. Compared with the prior art, the welding efficiency and the welding quality are improved, and safe and reliable operation of the power generation tower shell ring is guaranteed.

The invention relates to the technical field of motor part machining, in particular to a machining device of a household garbage cleaning and transporting vehicle. Comprising a moving frame; the grinding assembly which walks along the side wall of the inner groove and grinds the side wall of the inner groove is connected with the moving frame; the supporting assembly moves along with the polishing assembly and is attached to the side wall of the machined inner groove so as to support the lower portion of the polishing assembly, and the supporting assembly is connected with the moving frame; the supporting assembly comprises a groove frame used for supporting the grinding assembly and limiting the walking path, and the groove frame is the same as the inner contour of the inner groove in shape and smaller than the inner diameter of the inner groove. A roller frame; and the supporting roller is connected with the groove frame through a roller frame, and the problem that the precision is low when an overlong grinding assembly grinds the inner groove of the stator iron core is solved.

This invention relates to the field of rotating surface grinding technology for pipe fittings, and discloses a surface grinding machine tool for electrolytic polishing pretreatment of circular pipes. The machine tool includes a machine base with symmetrically arranged support frames at its two ends. A bidirectional lead screw is horizontally rotatably mounted inside the machine base, with both ends of the lead screw fixed to the inner wall of the machine base via bearing seats. The invention utilizes a cylinder rod extending outwards. On one hand, it drives a pusher to move along a limiting linear groove. Through a series of transmissions, a portion of the grinding block extends out of the receiving groove and contacts the inner surface of the circular pipe fitting, grinding the inner rotating surface of the pipe fitting. On the other hand, a push rod outside the pusher moves linearly, opening the sealing block at the liquid inlet, allowing the grinding fluid in the inner cavity to enter the annular centrifugal chamber through the drainage section. The grinding fluid in the annular centrifugal chamber undergoes centrifugal wall-attaching motion and is randomly thrown outwards from the centrifugal guide tube at the chamber wall, spraying outwards from the spraying oblique hole.