18334 results about "Rotating disc" patented technology

The invention relates to the technical field of drilling equipment, in particular to drilling equipment for automobile brake disc production, which comprises a support, an air cylinder and a mounting table, and an electric control drill bit is arranged on the bottom surface of the mounting table. The second rotating disc slides in a second abutting groove through a second abutting block fixed to the inner side of the second rotating disc when moving downwards along with the first rotating disc, stable rotation of the second rotating disc is guaranteed, the second rotating disc and the first rotating disc rotate coaxially, a second arc-shaped groove is formed in the surface of the second rotating disc, and the second arc-shaped groove is matched with the second arc-shaped groove. The circular block at the bottom of the positioning block close to the center of the connecting disc is inserted into the arc-shaped groove II. When the second rotating disc rotates, the second arc-shaped grooves push the positioning blocks to move along the sliding grooves so as to adapt to the inner diameter size of the brake disc, and therefore multi-point positioning can be conducted on the inner diameter and the outer diameter of the brake disc at the same time, and the clamping stability is improved.

The present application discloses an automatic cover-closing, flipping and screw-fastening device, which is used performing screw fastening on a gamepad after the gamepad is flipped. The automatic cover-closing, flipping and screw-fastening device comprises: a rotating disc apparatus, comprising a rotating driving mechanism, a rotating disc connected to an output shaft of the rotating driving mechanism, and a plurality of product carriers arranged on the upper surface of the rotating disc; a feeding apparatus, comprising a flipping mechanism, a temporary storage mechanism, and a feeding mechanism which are located on the outer side of the rotating disc and arranged at intervals; a screw-fastening apparatus, comprising a first screw-fastening apparatus and a second screw-fastening apparatus which are spaced apart from each other in the circumferential direction of the rotating disc; and a discharging apparatus, comprising a discharging mechanism arranged on the outer side of the rotating disc and a conveying mechanism spaced apart from the discharging mechanism, wherein the discharging mechanism conveys the gamepad from the rotating disc to the conveying mechanism. The device can flip the gamepad, and then fasten screws, thereby improving the degree of automation, improving production efficiency, and reducing costs.

The invention relates to a stable ring roller pulverizer which comprises a machine shell, an air guide barrel and a mounting barrel are fixedly arranged in the machine shell in a sleeved mode, and a grinding ring is fixedly connected to the inner side of the mounting barrel; a plurality of material grinding grooves are formed in the inner side of the grinding ring in an inward concave mode, the material grinding mechanism comprises a rotating disc driven by a corresponding driving mechanism, and a plurality of grinding rollers matched with the material grinding grooves of the grinding ring are rotationally installed on the periphery of the rotating disc; the buffering type material distributing mechanism comprises a feeding channel, a discharging port of the feeding channel is right opposite to the center of the rotating disc, a mounting part is mounted below the discharging port of the feeding channel in a lifting manner, a material distributing disc is rotationally mounted on the bottom side of the mounting part, and buffering rubber matched with the output shaft end of the driving mechanism is fixedly connected to the material distributing disc downwards; and the grader comprises a cylindrical filtering grating which is rotationally arranged at the feeding end of the discharging pipe. According to the device, dispersed feeding can be achieved, and the supporting performance of the material grinding mechanism can be enhanced in time when the device vibrates seriously.

The invention discloses a mahjong machine and a slope tile playing device thereof, which are characterized in that a planet carrier and a planet wheel which rotate actively rotate around a fixed sun wheel, and a tile feeding push rod is driven by the planet carrier, the planet wheel and a turntable to rotate to push and feed tiles; a mahjong lifting swing arm is driven by a planet carrier, a swing rod, a rack and a mahjong lifting gear to swing to drive a mahjong lifting supporting plate to lift mahjong; two transmission paths of a planet carrier and a planet wheel are ingeniously utilized, so that a mahjong feeding push head does not push mahjong tiles when a mahjong tile lifting supporting plate is controlled to descend only through mechanical transmission cooperation by a motor, and the mahjong tile lifting supporting plate does not move when the mahjong tile feeding push head pushes the mahjong tiles; when the tile lifting supporting plate is lifted, the tile feeding pushing head does not push tiles, after the tile lifting supporting plate is lifted, the tile feeding pushing head moves out of the tile storage groove, the lifting action of the tile lifting supporting plate and the tile pushing action of the tile feeding pushing head do not interfere with each other, the structure is simple and reasonable, action connection is good, operation is stable and reliable, the mahjong machine is coherent and smooth in action, noise is low, and the user experience is good.

The invention belongs to the technical field of bearing machining equipment, and particularly relates to a bearing inner ring grinding device which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a first supporting frame, the interior of the first supporting frame is fixedly connected with a discharging frame, and the upper surface of the bottom plate is rotationally connected with a first rotating disc; a second rotating disc is rotatably connected into the first rotating disc, a clamping plate is slidably connected into the second rotating disc, the clamping plate comprises a transverse end, a grinding mechanism is arranged on the upper surface of the bottom plate and comprises a shell, a rotating plate is rotatably connected into the shell, and a shifting rod is fixedly connected to the lower surface of the rotating plate. The lower surface of the shell is rotationally connected with a grinding roller. According to the device, through reverse rotation of the bearing, the grinding roller makes more sufficient contact with the inner wall of the bearing, local over-grinding or under-grinding caused by one-way rotation is avoided, and the grinding effect is improved.

The invention discloses an automatic removing vibrating screen, and relates to the technical field of vibrating screens, the automatic removing vibrating screen comprises a vibrating assembly, a screening assembly, a connecting pipe and a cleaning assembly, the screening assembly comprises a screening round box, a C-shaped fan-shaped seat, a penetrating through hole, a discharging opening, a C-shaped partition plate, a rotating disc, a T-shaped through hole, a screen, a discharging notch, a guiding opening and a driving motor; the rotating disc is driven by the driving motor to rotate so that the alignment states of the four screens and the penetrating through holes can be switched, screening operation of different granularities can be achieved, and the cleaning assembly is used for conducting reverse blowing cleaning operation on the switched screens. By arranging the screening assembly, screening operation of different particle sizes and different grading numbers of different raw materials can be achieved, meanwhile, by arranging the cleaning assembly, residual materials on the screen can be cleaned and collected, follow-up use is facilitated, and compared with a traditional operation mode that the screen needs to be detached to be replaced and cleaned, the screening operation efficiency is improved. The whole operation is simpler, easier and more efficient.

The invention provides automatic fan assembling equipment which comprises a rack, a rotating disc, a fixed disc, a divider and a motor, the rotating disc, the fixed disc, the divider and the motor are installed on the rack, an output shaft of the motor is connected with an input shaft of the divider, and the divider is fixed to the rack; a fixed shaft and a rotating shaft are arranged at the top of the divider, the rotating disc is arranged on the rotating shaft of the divider, and the fixed disc is arranged on the fixed shaft of the divider; a circuit board feeding station, a first dispensing station, a volute feeding station, a circuit board overturning station, a rubber ring feeding station, a rubber ring mounting station and a discharging station are sequentially arranged in the anticlockwise direction of the rotating disc, and a first positioning jig used for containing a circuit board and a second positioning jig used for containing a volute are arranged on the rotating disc. According to the automatic assembling equipment for the fan, an automatic, continuous and precise assembling mode is achieved, the quality and economical efficiency of complete machine assembling of the centrifugal fan are remarkably improved, and the stability of product quality is guaranteed.

An aluminum ash pickling device, which relates to the technical field of pickling devices, and comprises a pickling tower (1); and a filtering mechanism comprises a filter screen (8), a rotating shaft (9), a cleaning brush (10) and a rotating disc (11). By means of the filter screen (8), when an induced draft fan (4) drives waste gas to an air intake pipe (2), the waste gas is filtered by the filter screen (8) before entering the pickling tower (1); and under the action of the induced draft fan (4), wind power generated by the waste gas pushes the rotating disc (11) to drive the rotating shaft (9) to rotate, the rotating shaft (9) drives the cleaning brush (10) to rotate, the cleaning brush (10) agitates dust on a surface of the filter screen (8) during rotation, and at this point, the dust is loosened and comes off the surface of the filter screen (8), thus reducing the probability of the filter screen (8) being blocked, and preventing the circulation of the waste gas from being affected. When the wind power is small, the dust falls downward into a collecting box (12), a rotating cover (14) is rotated to release the connection between the rotating cover (14) and an external thread (13), and at this point, the dust accumulated in the collecting box (12) flows downward, such that a worker can collect the dust, thus preventing a small amount of aluminum ash from entering the pickling tower (1) along with the induced draft fan (4) and mixing with an agent which would otherwise impair the treatment efficiency of ammonia gas.

The invention belongs to the technical field of transformer heat dissipation, and particularly relates to a transformer finned radiator convenient to maintain, which comprises an oil tank, a shell, an electric turntable and the like, a wind direction sensor is arranged on the oil tank; an oil tank is fixedly connected inside the shell; a chamber is arranged between the shell and the oil tank; the chassis is fixedly connected with an electric turntable, and a rotating part of the electric turntable is fixedly connected with the shell; a plurality of air inlets are formed in the surface of the shell, and air outlets opposite to the air inlets are formed in the surface of the shell; a plurality of cooling fins are fixedly connected to each side of the oil tank, cavities are formed in the cooling fins, and the cooling fins penetrate through the shell; a plurality of ventilation holes are formed in the portion, located in the cavity, of the cooling fin. The heat dissipation device has the advantages that in the heat dissipation process, the electric rotating disc drives the oil tank and the shell to rotate, external air is introduced into the cavity and flows in the cavity, cooling oil and cooling fins in the oil tank are subjected to primary heat dissipation, and the heat dissipation effect is improved.

A motor rotor assembly machine comprises a base station, a rotating table is arranged on the base station, the rotating table is composed of a rotating disc and a fixed disc which are coaxially fixed, the fixed disc is fixedly arranged relative to the base station, and the rotating disc is driven by a rotating motor. Positioning tools which are used for placing a rotor and flow among a plurality of processing stations are annularly distributed on the rotating disc; the multiple processing stations are sequentially a feeding station, a marking station, a dispensing station, a chip mounting station, a shaping station, a curing station, a discharging station and a cleaning station in the rotating direction of the rotating table, and a feeding mechanism, a marking mechanism, a dispensing mechanism, a chip mounting mechanism, a shaping mechanism, a curing mechanism, a discharging mechanism and a cleaning mechanism are arranged in the corresponding stations. Compared with the prior art, the marking and surface mounting processes can be fully automatically carried out, the automation degree is high, and the production efficiency is high. And an eight-station design is adopted, and a standard reaching process is subdivided into four processes of dispensing, surface mounting, shaping and curing, so that the assembly quality of the surface mounting is ensured.

The invention provides integrated multifunctional grinding equipment which comprises a plurality of multi-shaft clamping devices used for clamping parts and capable of driving the parts to be close to or away from a grinding device, and further comprises at least one rotating disc, a first drive and a second drive. The multiple multi-shaft clamping devices are symmetrically arranged on the periphery of the rotary disc. A plurality of polishing devices are symmetrically and detachably arranged on the rotary disc in the circumferential direction of the rotary disc. The first driver is arranged on the base and can synchronously drive the grinding pieces of the multiple grinding devices to rotate. The second driver can drive the rotating disc to rotate, and then the grinding device is driven to rotate at the circumferential position. Through the arrangement of the vertical rotating disc, vertical switching of the grinding devices is achieved, a plurality of multi-shaft clamping devices can be arranged on the periphery of the rotating disc, synchronous grinding machining of a plurality of parts is achieved, the situation that one grinding device works and other grinding devices are idle is avoided, the utilization rate of the grinding devices is greatly increased, the machining efficiency is improved, and large-batch production can be achieved.

The invention relates to the technical field of wind power generation, in particular to a forward and reverse rotation double-rotor multi-blade wind generating set, and aims to overcome the defects of low wind energy utilization rate and unstable power generation reliability caused by inconvenience in angle adjustment of blades in the prior art, the following scheme is provided: the forward and reverse rotation double-rotor multi-blade wind generating set comprises a base; the number of the fixing legs is four, and the four fixing legs are all fixedly installed at the bottom of the base; the turntable is rotatably mounted at the top of the base, a first mounting box is fixedly mounted at the top of the base, and a first stepping motor is fixedly mounted on the inner wall of the first mounting box; and the number of the supporting columns is two, the two supporting columns are both fixedly installed on the top of the rotating disc, first rotating shafts are both rotatably installed on the two supporting columns, and the angle of the blades can be conveniently adjusted, so that the wind energy utilization rate can be further increased, and the power generation reliability can be further improved.

The invention discloses steel truss splicing and hoisting construction equipment which comprises a base and further comprises a fixing ring, a hydraulic cylinder is arranged on the base, telescopic rods are arranged at the telescopic end of the hydraulic cylinder, supporting rods are arranged at the top ends of the two telescopic rods, a cross beam is arranged between the two supporting rods, and the cross beam is arranged on the base. A steel wire rope is arranged on the cross beam, a fixing frame is arranged at the top of the fixing ring, a movable plate is arranged on the fixing frame in a sliding mode, a square groove is formed in the movable plate, a rotating disc is arranged in the square groove, and a driving mechanism drives a rotating rod and a rotating cylinder to rotate. The rotating cylinder pulls the multiple movable frames to be close to each other in a mode of being matched with the traction rope, and the transmission rod drives the pressing plate to descend in a mode of being matched with the supporting plate, so that splicing and hoisting of the steel truss are simpler and faster, the hoisting installation angle and height of the steel truss are convenient to adjust, and the construction efficiency is improved.

The invention relates to the technical field of pipeline robots, and discloses a miniature wheel type pipeline robot which comprises a bending assembly, walking units are connected to the two ends of the bending assembly correspondingly, each walking unit comprises two wheel train assemblies, each wheel train assembly comprises a walking mechanism and a reducing mechanism, and each walking mechanism comprises a stator coil, a rotor, a rotating disc and a plurality of elastic wheel legs. The stator coil is matched with the rotor, the rotating disc and the rotor are coaxially fixed, the elastic wheel leg comprises an elastic piece and a walking wheel, the walking wheel is rotatably arranged at one end of the elastic piece, the other end of the elastic piece is fixedly connected with the rotating disc, the end, provided with the walking wheel, of the elastic piece stretches outwards, and a rotating shaft of the walking wheel inclines relative to the axis of the rotating disc. The elastic wheel legs are evenly distributed on the circumference, and the two wheel train assemblies are connected and symmetrically arranged. The diameter changing mechanism can enable the ends, away from the rotating disc, of the elastic pieces to be synchronously retracted inwards, and the bending assembly can enable the two walking units to be bent. The miniature wheel type pipeline robot is suitable for being used in a small-pipe-diameter multi-way pipe network.

The invention relates to the technical field of shaft sleeve polishing, in particular to a polishing device for hardware part machining. Comprising a mounting frame, a rotating disc, a driving motor I, a support, an arc-shaped plate, a guide rod and the like, the rotating disc is rotationally connected to the mounting frame, U-shaped through holes and round holes are evenly formed in the rotating disc in the circumferential direction at intervals, the driving motor I is connected to the mounting frame, the end of a rotating shaft of the rotating disc is connected with an output shaft of the driving motor I, and the support is connected to the top face of the mounting frame; the arc-shaped plates are circumferentially and evenly connected to the rotating disc at intervals, and the guide rods are connected to the side face of the support. The arc-shaped plate is driven by the rotating disc to rotate intermittently, all the shaft sleeves can be sequentially conveyed to the position behind the grinding wheels, then the shaft sleeves can be driven by the electric roller to rotate in the arc-shaped plate, and then the two grinding wheels can be driven by the electric push rod to move backwards to make contact with the outer walls and the inner walls of the shaft sleeves correspondingly. The two grinding wheels can grind and polish the outer wall and the inner wall of the shaft sleeve at the same time, and the polishing efficiency is improved.

The invention relates to the technical field of numerical control turning and milling machine tool turrets, and discloses a six-station turret of a numerical control turning and milling machine tool. The six rotating columns are rotationally arranged on the rotating disc in a penetrating mode, and a tool apron is fixed to one end of each rotating column; the fixing and driving mechanism is arranged in the machine shell and the supporting sleeve and comprises a fixing assembly, a driving and touching assembly and a double-driving part; the rotary injection mechanism rotationally penetrates through the machine shell and is located on the outer side of the fluted disc, and the rotary injection mechanism comprises a storage injection assembly, a pressing closing assembly and a triggering part; the rotary maintenance mechanism is rotationally connected to the rotary injection mechanism and comprises a rotary supporting assembly, a maintenance assembly and a transfer injection part; through linkage cooperation with the solid driving mechanism and the rotary injection mechanism, the maintenance assembly arranged in the rotary maintenance mechanism is arranged on the outer side of the tool over the rotary disc in a sleeving mode, full-coverage coating of anti-rust oil is achieved by combining rotation of the tool, automatic cleaning and anti-rust treatment are achieved, adhesion of metal chippings is reduced through double protection of a ring brush and sponge, and the service life of the tool is prolonged.

The utility model provides a depth measuring device for mining goaf exploration, which relates to the technical field of depth measuring devices and comprises a base. The base is fixedly connected with a mounting frame, the mounting frame is rotationally connected with a rotating disc and a winding roller, the rotating disc is rotationally connected with a connecting assembly, the bottom end of the connecting assembly is fixedly connected with a reflecting plate, and the reflecting plate is connected with a detection assembly; the winding roller is fixedly connected with a fixing rope, and the other end of the fixing rope is fixedly connected with the lowermost end of the connecting assembly. The installation frame is fixedly connected with a motor through an installation base, the rotary disc is fixedly connected with an output shaft of the motor, and the winding roller is connected with the output shaft of the motor through a transmission belt. According to the structure provided by the utility model, goaf areas with different depths can be effectively explored by arranging the rotating disc and the connecting assembly, the stability is improved, and the problem that the existing goaf area depth measuring device is inconvenient to store is solved by adjusting the mounting angle of the mounting seat.

The invention discloses an atomic absorption spectrometer for new material detection, and relates to the technical field of atomic absorption spectrometers, the atomic absorption spectrometer comprises a spectrometer body; a liquid supply mechanism is arranged below the front surface of the spectrograph body, the liquid supply mechanism comprises a liquid supply bearing table, and a liquid supply rotating disc is rotationally arranged in the liquid supply bearing table through a motor; wherein an absorption mechanism is arranged at the lower part in the spectrograph body, the absorption mechanism comprises a liquid taking sliding plate, and a liquid taking corrugated pipe is arranged in the middle of the front end of the liquid taking sliding plate in a penetrating manner. According to the atomic absorption spectrometer for new material detection, a liquid supply bearing table drives a liquid supply rotating disc to rotate, a standard reagent bottle and a solution reagent bottle are borne, a liquid taking sliding plate and a lifting strip plate which slide forwards drive a liquid taking corrugated pipe to move and then descend, and the liquid taking corrugated pipe ascends and descends in a reciprocating mode during rotation; therefore, repeated operation of calibration and detection during detection is realized, and the accuracy of atom detection is improved.

The invention relates to the technical field of valves, in particular to an anti-leakage gate valve and a sealing assembly thereof, the sealing assembly comprises a mounting ring, a rigid sealing ring and a first driving assembly, a medium channel is formed in a valve body, a gate plate is arranged in the medium channel in a sliding mode, the gate plate or closes the medium channel, and a valve rod is connected to the valve body. One end of the valve rod is located outside the valve body. The mounting ring and the first driving assembly are arranged, when a rigid sealing ring needs to be replaced, a worker pokes a rotating disc with hands, and through transmission cooperation of a transmission rod, a transmission gear, a transmission gear ring, a tray and a transmission unit, the rigid sealing ring can move in a ring groove along the axis of the ring groove; therefore, the rigid sealing rings on the outermost sides of the two annular grooves can be switched, and due to the fact that workers do not need to disassemble the valve body in the process of replacing the rigid sealing rings, the workload of the workers can be greatly reduced.

The utility model discloses an injection molding machine, which relates to the technical field of injection molding processing devices, and comprises a base, an injection molding structure, an upper mold, a lower mold, a mounting frame fixedly arranged at the upper end of the base, hydraulic rods I arranged in two ends of the mounting frame, a charging barrel positioned between the hydraulic rods I, an injection molding pipe positioned at the lower end of the charging barrel, and an injection molding nozzle positioned at the lower end of the injection molding pipe, an injection molding opening is formed in the upper end of the upper mold; the adjusting structure comprises a motor, a rotating disc located at the upper end of the motor and a second hydraulic rod fixedly arranged at the upper end of the base, an extrusion block is arranged at the upper end of the second hydraulic rod, a top block is arranged on the outer wall of the upper mold, bottom blocks are arranged on the outer wall of the lower mold, and first springs fixedly arranged between the top block and the bottom blocks are arranged; the closing structure comprises an extrusion cone and valve blocks distributed at the upper end of the injection molding opening; according to the injection mold, the injection molding structure and the adjusting structure are utilized, so that the problem that a large amount of injection molding time is occupied during waiting for cooling of liquid materials in the injection mold and manual discharging is solved, and efficient machining of injection molding parts is achieved.

The invention relates to the technical field of building pipe cutting, in particular to a building pipe cutting device with a cleaning mechanism, which comprises a shell, a first telescopic cylinder arranged at the top of the shell, a cutter arranged at the output end of the first telescopic cylinder, and a conveying roller arranged at the top of the shell and used for conveying a pipe to be cut, the building pipe cutting device further comprises a cleaning and scraping mechanism, a spraying mechanism and a polishing mechanism. The cleaning and scraping mechanism is arranged at the top of the machine shell and comprises a connecting base, a displacement base, a rotating disc and a scraping plate. The connecting base is slidably arranged on the top of the machine shell. The displacement seat is rotationally arranged at the top of the connecting seat, and the displacement seat is located beside the cutting knife; the rotating disc is rotationally arranged at the top of the displacement seat through a bearing; according to the pipe cutting device, the scraping mechanism is arranged, so that the situation that waste chips generated in the cutting process fall off and are attached to the inner wall of a cut pipe, and consequently the waste chips are difficult to clean is avoided.

The clamping tool comprises a rotating disc and a plurality of placing tables fixed to the rotating disc, the tops of the placing tables are provided with horizontal placing faces, hollow limiting parts are fixed to the placing faces, mounting holes are formed in the side walls of the limiting parts, fixing blocks are movably connected into the mounting holes, and the fixing blocks are fixed to the rotating disc. The fixing block is provided with a pressing part, an ejector rod is arranged on the containing table in a penetrating mode, the upper end of the ejector rod extends upwards into the limiting part, the lower end of the ejector rod extends downwards to penetrate out of the containing table, a jacking part fixed to the body is further arranged below the rotary disc, and the clamping tool further comprises an elastic assembly used for resetting the fixing block and the ejector rod. The technical problem that according to existing rotating disc type deburring equipment, when a new to-be-machined gear is conveyed to a machining position, a driving component needs to be independently started to execute a fixing action, and operation is complex is solved.

The invention provides a rotating disc type multi-component injection molding device and a control method thereof.The device comprises a device base, a rotating disc assembly is arranged on the device base and comprises a rotating disc and a rotating driving device, and a plurality of cavities are formed in the peripheral wall face of the rotating disc around the rotating axis of the rotating disc; a plurality of injection molding stations and an unloading station are arranged on the radial outer side of the rotary disc around the rotary disc, and the rotary driving device can drive the rotary disc to rotate so that the cavities can be switched between the injection molding stations and the unloading station. The steps of material injection, cooling and part taking of the cavities can be synchronously carried out at the corresponding stations and do not interfere with one another, independent mold opening and part taking time is not needed, the production cycle can be remarkably shortened, and the production rhythm and the production efficiency can be improved; the overall size of the rotary table is remarkably reduced, the requirement for device installation space is lowered, the requirement for rotation driving power is lowered, rotation controllability is higher, and meanwhile material cost is lowered.

The high-reliability separating and combining mechanism is structurally composed of a driving module and a driven module, a rotating disc of the driving module is driven by a driving device to rotate, a center hole of the rotating disc is a first-stage guide groove, and a plurality of arc-shaped guide rails are evenly distributed on the periphery of the first-stage guide groove; a second-stage guide cone is slidably connected to the second-stage guide rod; a plurality of radial sliding grooves are formed in the base, and the bottom of the secondary guide cone slides along the sliding grooves; the passive module is of a cylinder structure, the top end of the cylinder is connected with a first-stage guide cone, and second-stage guide grooves are evenly distributed in the circumference of the cylinder. When the first-stage guide cone is inserted into the first-stage guide groove, the driving device drives the rotating disc to rotate, and the second-stage guide cone moves along the arc-shaped guide rail and the sliding groove and is inserted into the second-stage guide groove. According to the opening and closing mechanism, a complex sensing and control system is replaced with mechanical structure guiding and physical limiting, and the opening and closing mechanism has the advantages of being high in butt joint precision, reliable in opening and closing, simple in structure, low in cost, easy to maintain and the like.

The utility model relates to the technical field of screening, and discloses an anti-blocking step-by-step screening device which is characterized in that when a control assembly is arranged and an output shaft of a motor drives a rotating rod and a rotating disc to rotate, latches fixed on the surface of the rotating disc abut against a second rack to move; a horizontal rod fixed to the surface of a second rack is stressed to transversely slide in two sets of protruding blocks, when the horizontal rod moves, a transverse rod fixed to the surface of the horizontal rod can drive a first rack to slide on the surface of a gear, and the gear is stressed to drive a round rod and a disc to rotate on the surface of a fixing plate; a stirring plate fixed to the surface of the disc can synchronously stir on the surface of the first screening plate, materials gathered on the surface of the first screening plate are stirred, and the materials are evenly distributed on the surface of the first screening plate, in this way, substances with different particle sizes can be separated more meticulously, the screening precision is improved, meanwhile, compared with a directly-arranged inclined filtering plate, the screening efficiency is improved, and the screening efficiency is improved. And the condition of local material accumulation can be avoided.

The invention provides an atomizer for neonatal airway protection and atomization conveying, and belongs to the field of atomizers. Comprising an atomizer body, an alarm is installed on the atomizer body, a sealing cover is installed on the atomizer body in a clamped mode, the sealing cover communicates with a mist outlet pipe, a rotating disc is rotationally connected to the top surface of the mist outlet pipe, a plurality of rotating rods are rotationally connected into the rotating disc, and a fan-shaped blocking plate fixedly sleeves the rotating rods; a corrugated guide pipe is fixedly connected into the mounting frame, the connecting pipe rotates around the outer wall of the corrugated guide pipe, the end of the corrugated guide pipe is communicated with a transfer pipe, a buffer plug valve is installed on the transfer pipe, the end side of the transfer pipe is communicated with a mask shell, and an expandable air bag mask is installed in the mask shell. And a pressure sensor is fixed in the air bag mask. Good attachment of the mask can be achieved, medicine can be stably conveyed, abnormal conditions can be handled in time, comfort is improved, the treatment effect is guaranteed, and practicability and reliability are achieved.

The invention discloses a disc-shaped suspension type porcelain insulator processing device, and relates to the field of disc-shaped suspension type porcelain insulator processing, and the disc-shaped suspension type porcelain insulator processing device comprises a workbench, the top end of the workbench is rotatably connected with a supporting shaft, the outer side of the supporting shaft is fixedly provided with a first rotating disc and a second rotating disc, and the second rotating disc is arranged above the first rotating disc. A first electric push rod is fixed to the edge of the top end of the first rotating disc, a supporting disc is fixed to the top end of the first electric push rod, a fixing groove is formed in the edge of the second rotating disc, pug enters the position between the supporting disc and the upper mold, the pug can be stored in the forming groove, and a rough insulator-shaped pug blank is formed; due to the fact that the electric heating wires are arranged in the upper mold and the supporting disc, an insulator-shaped mud blank can be heated through a sealed environment, on one hand, the mud blank can be preliminarily dried through drying, an insulator can be shaped, and on the other hand, adhesion between the outer side of the mud blank and the upper mold and between the outer side of the mud blank and the supporting disc can be avoided through heating, so that mud blank demolding is easier.

The invention relates to the technical field of gear machining, and discloses adjustable precision gear turning equipment which comprises a device body, and the device body comprises a hob and a workbench; and the dynamic following type supporting unit comprises a rotating disc connected to the centering connecting column through a bearing, multiple sets of supporting rods are annularly arranged on the rotating disc, a supporting plate is installed at the ends, away from the rotating disc, of the supporting rods, and multiple sets of edge supporting assemblies are arranged on the supporting plate. By arranging the dynamic following type supporting unit, the supporting plate and the edge supporting assembly of the dynamic following type supporting unit can provide active upward supporting force for the bottom face of the gear to be machined, and during hobbing, the supporting force can actively offset downward cutting force generated by a hobbing cutter to form balance, so that bending deformation of a workpiece is directly prevented, and the service life of the gear to be machined is prolonged. Errors such as tooth shape concave and tooth direction inclination of the machined gear are avoided, and the machining precision and the surface quality of the gear are remarkably improved.

The invention discloses a refrigeration pipe welding positioning method and device. The method comprises the following steps that S1, branch pipes are placed in all storage boxes; s2, the main pipeline is placed in a matching groove of the supporting frame, and the main pipeline is fixed through cooperation with a pressing ring; s3, a third electric cylinder is started, the third electric cylinder drives a supporting frame and the main pipeline to move to be close to the welding gun, and a branch pipe of the main pipeline moves to cross the welding gun; s4, a first electric cylinder is started, and the first electric cylinder drives a synchronous plate and an ejector sleeve to move; the motor, the first chain wheel, the second chain wheel, the chain and the hollow rotating disc are matched to drive the vortex line groove and linear groove linkage adjusting block and the rolling wheel to move, the purposes of clamping positioning and circle center correction of the branch pipe are achieved, the branch pipe is corrected to the position concentric with the disc, the coaxiality of the branch pipe and a main pipeline branch pipe is guaranteed, and the machining efficiency is improved. And the quality problems of insufficient welding, welding skips, poor welding seam forming and the like caused by positioning deviation are avoided.

The invention relates to the technical field of angle valve manufacturing, in particular to angle valve welding equipment and a working method thereof. According to the equipment, through cooperative operation of the integrated assembling device, the welding device, the gas testing device and the transferring device, automatic assembling, rotary type all-round welding, multi-station circulating detection and closed-loop material circulation of the valve body piece and the connector piece are achieved; wherein the assembling device ensures that a connector piece precisely slides to a valve body piece connecting hole by utilizing the height difference design of a transition groove and a first guide groove, and the welding device rotates relative to a welding gun through a rotating seat to complete the full-circumference fusion welding of a seam between the valve body piece and the connector piece. The gas testing device drives the fixing assembly to circularly flow through the cooling station, the testing station and the discharging station through the rotating disc to achieve seamless connection of detection procedures, and the transferring device executes transverse and longitudinal composite motion to guarantee efficient transferring of materials among the procedures. The whole set of system forms a continuous production line, and the assembly precision, the welding sealing performance and the airtightness detection efficiency of welded finished products are remarkably improved.