229results about How to "High matching precision" patented technology

The utility model discloses a poker machine and a card lifting device thereof, the card lifting device comprises a plurality of card lifting seats arranged around a card receiving seat, a card receiving box and the card lifting seats are arranged in a one-to-one correspondence manner inside and outside, the card lifting seats are provided with card lifting grooves, and card lifting plates are vertically connected with the card lifting seats in a sliding manner and can lift up and down in the card lifting grooves; the mahjong tile lifting device further comprises a rotating ring, the rotating ring penetrates through the mahjong tile lifting seats, a plurality of lifting cams are arranged on the top of the rotating ring, the lifting cams correspond to the mahjong tile lifting seats and the mahjong tile lifting plates in a one-to-one mode, and each lifting cam comprises an upward protruding part used for lifting the corresponding mahjong tile lifting plate to the top and a downward concave part used for descending the corresponding mahjong tile lifting plate to the bottom. And when the rotating ring rotates in a reciprocating manner, the tile lifting plate can be driven to lift up and down in the tile lifting groove. The scheme is simple in structure, reliable in operation, low in manufacturing cost and convenient to install and debug.

The invention is suitable for the technical field of offshore photovoltaic power generation platforms, and provides a novel pipeline cross-shaped connecting structure which comprises cross-shaped hoops, the two cross-shaped hoops are clamped in a staggered mode and used for connecting a straight pipe and two disconnected pipes, each cross-shaped hoop comprises two locking hoops and a side plate, the two locking hoops of the same cross-shaped hoop are arranged in a crossed mode, and the two locking hoops of the same cross-shaped hoop are connected through the side plate. Side plates are arranged on the side walls of the locking hoops; each of the two lower-end double-stand-column pipe fittings comprises two stand column inserting pieces and a connecting part, and the connecting part is used for connecting the two stand column inserting pieces; and each pedal connecting piece comprises a horizontal supporting plate and a matching hoop, and the horizontal supporting plates are arranged above the matching hoops. Therefore, good connection strength can be guaranteed, effective support is provided for the photovoltaic panel, the service life of the device is prolonged, the stand column can be primarily positioned, the matching precision of the stand column and other structures is improved, and the installation efficiency is improved.

The invention discloses a high-adaptability sheet metal part milling and drilling integrated device and a using method thereof, and belongs to the technical field of manufacturing of aircraft sheet metal parts. The device mainly comprises a tire body, a cover plate, a base, a rotating shaft, a trolley and other main body parts. The using method of the device comprises the steps that firstly, two sheet metal parts are placed between the tire body and the cover plate, are positioned through the plug pins and then are clamped through the arch-shaped clamps; and secondly, drilling is conducted on the two fixed sheet metal parts through the fixing drill bushings, and tensioning and fixing are conducted through appropriate screws. And thirdly, the arch-shaped clamp is dismantled, and the outer edge contours of the two sheet metal parts are milled at the same time through a pneumatic milling cutter. And fourthly, the edges of the two sheet metal parts are trimmed. The device can solve the problem that the edge line profile tolerance and the hole coaxiality cannot meet the high matching requirement after sheet metal parts are separately machined due to the tolerance bandwidth, is easy to operate, improves the matching precision, reduces the production cost and is worthy of being popularized in the airplane sheet metal manufacturing industry.

The utility model provides a 3D printer and a 3D printing system. The 3D printer comprises a first stand column, a second stand column, a mounting base and a base. Wherein the first stand column and the second stand column are arranged at intervals, and the mounting base is connected between the first stand column and the second stand column; the base is arranged between the first stand column and the second stand column in a penetrating mode, one side of the base is connected with the mounting base, and the other side, away from the mounting base, of the base is used for being slidably connected with a printing platform of the 3D printer.

The utility model relates to the field of clamping pieces in conductive connection, and provides a protective structure of a bonding seat and a vehicle bonding seat, the vehicle bonding seat comprises the protective structure, a bonding wire, a second flat gasket and a lock washer, a clamping surface is formed between the first flat gasket and the second flat gasket, and the bonding wire is provided with a wiring conducting strip which is clamped on the clamping surface in a sealing manner; the lock washer, the first flat gasket, the bond strap and the second flat gasket are sequentially arranged on a stud of the locking nut of the protective structure of the bond strap seat in a sleeving mode, and the locking nut of the protective structure of the bond strap seat is arranged on the stud in a sealed and locked mode. When the first flat gasket and the second flat gasket are locked on the stud through the locking nut, the first flat gasket and the second flat gasket can seal and clamp the power connection end of the bond strap. And the bonding surface is matched with the end surface of the base, so that the whole bonding seat can be tightly matched, the bonding seat has high matching precision, and good conductivity of the bonding surface and the stud is ensured.

The utility model relates to the field of linear actuating devices, in particular to a combined ball circulator and a lead screw pair with the same, the lead screw pair comprises a lead screw and a nut, the nut is arranged on the lead screw in a sleeving mode, a circulating ball channel is formed between the nut and the lead screw, and balls are arranged in the circulating ball channel; the combined ball circulator is fixedly arranged at the end part of a nut through a bolt and comprises an upper guide body, a lower guide body and a lower guide body, and a first ball channel is arranged on the upper guide body; the lower guide body is provided with a second ball channel, and the lower guide body and the upper guide body are arranged in a spliced mode; the first ball channel and the second ball channel are encircled to form a reverse ball channel; and the guide ball channel is communicated with the circulating ball channel. The upper guide body and the nut of the combined ball circulator are fixed through the bolt, the upper guide body and the lower guide body are combined together, a complete and closed circulating guide path is provided, and it is guaranteed that balls smoothly pass through the ball rolling path to do infinite circulating motion.

The invention relates to the technical field of laser cutting, in particular to a double-exchange three-clamping plate pipe all-in-one machine. The technical problems that a plate cannot be conveniently and accurately positioned, and a cut pipe cannot be conveniently taken are solved. According to the technical scheme, the cutting device comprises a workbench A, a portal frame is connected to the workbench A in a sliding mode, a cutting gun is installed on the portal frame, and a workbench B is arranged on one side of the workbench A. The cutting device further comprises an air storage mechanism arranged on one side of the workbench A. The workbench A is provided with a positioning mechanism used for adjusting the position of a plate. The working table B is provided with a discharging mechanism used for sending out the cut pipes, the air storage mechanism comprises sliding shafts A, and the sliding shafts A are symmetrically connected to one side of the working table A in a sliding mode. And by means of the positioning mechanism, the plates can be accurately positioned when feeding of the plates is completed, after cutting of the pipes is completed, the cut pipes can be automatically discharged through the discharging mechanism, and the practicability and convenience of the whole device are further improved.

The present invention relates to the technical field of ring grinding processing, and specifically to a rolling bearing ring processing device and method; the device comprises a machine body, wherein an installation groove is provided at the upper end of the machine body; a feed port connected to the installation groove is provided at one side of the machine body; a mounting disk is rotatably connected in the mounting groove; a mounting plate fixedly connected to the machine body is provided above the mounting disk; a U-shaped groove is provided on the outer ring wall of the mounting disk; the present invention provides a grinding groove at the lower end of the mounting plate, so that when the mounting disk pushes the ring to the first grinding groove and the second grinding groove, the transmission rod in the first grinding groove can grind the end face of the ring through the grinding disk, and then the inner ring grinding unit in the second grinding groove can grind the inner ring wall of the ring. On the one hand, there is no need to clamp and switch the ring, thereby reducing the influence of positioning errors and improving the accuracy and matching accuracy of the ring processing. On the other hand, the time consumed by clamping and switching is reduced, thereby improving the production efficiency of the ring grinding processing.

The utility model relates to a 3D printer and a 3D printing system. The printer comprises a base, a cross beam, two optical shafts and a lead screw. The polished shafts and the lead screws are connected between the bases and the cross beams; the beam is provided with a connecting adjusting piece corresponding to the optical shaft, and the optical shaft is connected with the beam through the connecting adjusting piece and can rotate relative to the connecting adjusting piece. Each lead screw is connected with one optical axis through one sliding block assembly, the sliding block assemblies can slide along the lead screws, the two sliding block assemblies are connected through a transverse rod, and the transverse rod is used for vertically moving from one end of the optical axis to the other end of the optical axis along the reference plane in the vertical leveling stage of the optical axis so that the two optical axes can swing to respective corresponding target positions. Through the arrangement of the connecting adjusting piece, when the optical axis is assembled, the deflection angle of the optical axis relative to the base can be flexibly adjusted, and therefore the perpendicularity of the optical axis can be conveniently adjusted. Namely, size deviation accumulation generated when the optical axis, the base and the cross beam are assembled is absorbed through the connecting adjusting piece.

The utility model discloses a kind of impedance adjustable high-speed terminal structures, it is related to high-speed terminal technical field.The impedance adjustable high-speed terminal structure, the outer shell is rectangular, the outer shell both sides are fixedly connected with mounting lug, the mounting lug is L shape, and mounting bolt is threadedly connected on the mounting lug.The impedance adjustable high-speed terminal structure, outer shell is fixed with mounting bolt through L-shaped mounting lug, adapts multiple equipment installation scene, and installation is firm and flexible;Insulating base is fixed by positioning pin and positioning hole, and assembly precision is high, effectively prevent base displacement, guarantee the relative position stability of each component, reduce the influence of vibration on terminal performance, each component is modularized assembly through mounting hole, lower mounting slot and other structure module, installation step is clear, convenient for production and assembly and later maintenance replacement, reduce assembly difficulty and cost.

The utility model discloses a bottle lid injection mold structure relates to bottle lid production technical field, including bottom plate, ejection fixed plate and backing pad, the middle part of bottom plate outer wall is equipped with ejection fixed plate, and the middle part of ejection fixed plate is connected with backing pad, the side that the backing pad is away from ejection fixed plate is connected with gear mounting plate, and the middle part of gear mounting plate outer wall is connected with core fixed plate, the one side of gear mounting plate outer wall is connected with support seat through screw, and support seat outer wall is equipped with servo motor, and servo motor output fixedly connected with drive gear, the outer wall of drive gear is engaged with transmission gear, and the outer wall of transmission gear is engaged with overbridge gear, and the both sides of overbridge gear outer wall are engaged with driven gear, the inner wall of driven gear is connected with screw core, and the inner wall of screw core is connected with middle core shaft, the inner wall one side of ejection fixed plate is equipped with no.

The utility model relates to a self-centering clamp for dynamic balance of a transmission shaft assembly, which comprises a tool base, a clamping jaw and a guide block, the guide block is inserted into the center of the tool base, the clamping jaw is assembled on the tool base and connected with the guide block, a ball cage is fixed on the tool base through the clamping jaw, and an end cover 8 at the bottom of the ball cage is contacted with the guide block 3. The self-centering tool has the advantages that self-centering is achieved through a linkage structure of the guide blocks and the clamping jaws, a gap between the tool and a part is eliminated, the matching precision is improved, the part is easier to disassemble and assemble, and the influence on the balance result is smaller.

The utility model discloses foaming equipment which comprises a tubular body, the tubular body comprises a mixing chamber, at least one liquid supply channel and a gas supply channel which are communicated with the mixing chamber, the tubular body is provided with a feeding end and a discharging end, the feeding end is used for being communicated with a steam source, and mixed fluid in the mixing chamber is output from the discharging end; the gas supply channel is connected with a gas supply amount adjusting mechanism and comprises a first section extending in the first direction, a mounting opening facing the second direction is formed in the first section, an angle is formed between the second direction and the first direction, and the gas supply amount adjusting mechanism extends into the channel of the first section from the mounting opening. The gas supply amount adjusting mechanism comprises a gas switching piece and a base body matched with the switching piece, a gas seam is formed between the gas switching piece and the base body, the gas supply channel establishes a gas supply path to the mixing cavity through the gas seam, and the gas switching piece operably moves relative to the base body to adjust the communication area of the gas seam.

The utility model belongs to the technical field of machining equipment, and provides a chuck correction jig which is used for correcting multi-connected chucks. The chuck correction jig comprises a base plate, the base plate is provided with a first end face and a second end face which are opposite to each other, the first end face is provided with a correction block used for measuring the levelness, the second end face is provided with a plurality of blind rivets extending outwards in parallel, and the blind rivets are used for being inserted into all chucks at the same time; and the correction block and the plurality of blind rivets are arranged on the central axis of the base plate. The utility model further provides a workpiece fixing device with the chuck correction jig. The technical problems that in the prior art, a chuck correction tool is complex in structure, multiple chucks are difficult to correct at the same time, and correction uniformity is affected are solved.

The invention discloses a closestool technology, and aims to provide a quick-release closestool cover which can only be detached by a worker and a detaching method of the quick-release closestool cover. According to the technical scheme, the quick-release closestool cover comprises a closestool cover body connected with a closestool through a hinge, and the hinge comprises at least one locking mechanism; the locking mechanism comprises a hinge piece, a steel column, a steel ball and a magnet capable of activating the mechanism; the hinge piece is installed on the toilet lid, the whole hinge piece is square, a cavity for containing the steel ball is formed in the hinge piece, and a channel communicated with the cavity and allowing the steel column to be inserted therein is further formed in the hinge piece; the whole steel column is T-shaped and comprises an insertion part and a limiting part, the insertion part is cylindrical, annular grooves are symmetrically formed in the insertion part, the insertion part can be inserted into the hinge piece along the channel of the hinge piece and makes contact with the steel balls in the cavity in the insertion process, and the steel balls are pushed away to allow the steel column to enter the cavity; the invention is applicable to the technical field of closestools.

This application discloses a robot-based workpiece assembly method, apparatus, device, and readable storage medium. The method includes: controlling a robot to move to a target area near a loading table; acquiring the workpiece pose and the pose of a first assembly position; controlling the robot's end effector to move according to the workpiece pose and the first assembly position pose, so that the first assembly part on the workpiece to be registered aligns with the first assembly position; switching the robot's end effector to a force feedback-based compliant control mode, and adaptively adjusting the robot's end effector pose according to the real-time force signal from the robot's six-dimensional force sensor to assemble the first assembly part with the first assembly position; using the assembled first assembly position as a positioning reference, controlling the robot to complete the assembly of the second assembly part of the workpiece to be registered with the second assembly position on the loading table. This method employs a step-by-step assembly strategy to achieve multi-assembly position assembly of the workpiece, significantly reducing the cumulative positioning error between multiple assembly positions and improving efficiency and assembly accuracy.

A rotation detection gear box structure for a card dealing machine comprises a main frame body; the base is arranged at the bottom of the main frame body and can rotate relative to the main frame body; the PCB control unit is arranged on the main frame body and is characterized in that a rotary driving assembly is arranged on the main frame body and comprises a rotary motor and a rotary fluted disc assembly, and an output shaft of the rotary motor is in transmission connection with the rotary fluted disc assembly; the rotary fluted disc assembly comprises a first-stage rotary transmission gear, a second-stage rotary reduction gear part, a third-stage rotary reduction gear part and a fourth-stage rotary reduction gear part, a pinion of the fourth-stage rotary reduction gear part is in transmission connection with the base, and a third-stage rotary reduction gear part connecting shaft is further formed on the third-stage rotary reduction gear part; and a rotary light sensation gear which is mutually inducted with the PCB control unit is mounted on a connecting shaft of the three-stage rotary reduction gear piece. The device has the advantages that a rotation driving structure and a rotation angle detection structure are combined, the matching precision is high, all-directional dead-angle-free rotation is realized, the strength is high, and the operation is stable.

The invention provides a posture adjusting mechanism and a chassis battery replacing platform, and relates to the technical field of electric vehicle battery replacing equipment, the posture adjusting mechanism comprises a first mounting plate, a second mounting plate and a supporting plate, a first power mechanism is arranged on the first mounting plate, the first power mechanism is connected with a first wedge block, and the second mounting plate is hinged to the first mounting plate; a first abutting part and a second power mechanism are arranged on the second mounting plate; the first power mechanism is connected with the first wedge-shaped block, the first abutting part abuts against the wedge-shaped face of the first wedge-shaped block, the second power mechanism is connected with the second wedge-shaped block, the supporting plate is hinged to the second hinge seat, the axial direction of a rotating shaft of the supporting plate is perpendicular to the axial direction of a rotating shaft of the second mounting plate, and the supporting plate is provided with a second abutting part abutting against the wedge-shaped face of the second wedge-shaped block. The two wedge-shaped blocks are pushed to move through the two power mechanisms, angle adjustment of the supporting plate in the two perpendicular directions can be achieved, the adjusting range is wider, adaptability is higher, and the supporting effect of the supporting plate is more stable and reliable.

The present invention relates to a partition welding method, which belongs to the field of welding technology, and includes the following steps: preparing tooling; assembling an outer ring plate, an inner ring plate and blades; a red sleeve positioning sleeve; welding; welding a cover plate; welding a radial steam seal body; heat treatment; removing the cover plate and the positioning sleeve; separating the partition along the center dividing surface; performing surfacing welding on the center dividing surface; post-heat treatment and the like. The present invention welds two semicircular partitions together to obtain a partition with better integrity, avoids error accumulation caused by separate welding, and has a higher matching accuracy after being installed in a steam turbine. The present invention uses a positioning sleeve to position the two semicircular outer ring plate bodies, so that the outer ring plate bodies are tightly spliced ​​together as a whole, with better integrity, and the outer ring plate is not easily deformed during the welding process. When welding the radial steam seal ring, the cover plate is used to completely cover the blade to effectively prevent welding slag from splashing onto the blade surface and causing damage to the blade.

The utility model relates to the technical field of relay manufacturing, and discloses an electromagnetic assembly automatic riveting machine which comprises a rack, a tool, a conveying device and a riveting device. A riveting station is arranged on the rack; the tool comprises a guide base, a sliding block and an elastic piece, a guide groove used for containing and limiting the yoke is formed in the guide base, a sliding groove used for being in sliding connection with the sliding block is formed in the groove bottom of the guide groove, a limiting hole is formed in the sliding block and used for containing the magnetic sleeve and limiting the magnetic sleeve to be opposite to the penetrating hole position of the yoke, and the elastic piece is arranged between the guide base and the sliding block. The elastic force drives the sliding block to slide towards the limiting hole; the conveying device is arranged on the rack, is in transmission connection with the guide seat and is used for conveying the tool to move in or out of the riveting station; and the riveting device is arranged on the rack, is opposite to the riveting station and is used for riveting the yoke and the magnetic sleeve on the riveting station so as to rivet the yoke and the magnetic sleeve into a whole. According to the utility model, the problem of how to improve the matching precision of the yoke and the magnetic sleeve can be solved.

A vehicle identification code plate, installation method, system, equipment and automobile belong to the technical field of identification code plates, and solve the problem that the existing design method not only affects the recognition of the VIN code, but also affects the appearance effect. The identification code plate includes a pre-adhesive layer, a VIN code sticker, a soft layer and an adhesive layer; one side of the pre-adhesive layer is adhered to one side of the VIN code sticker, and the other side of the pre-adhesive layer is adhered to the front windshield; one side of the soft layer is adhered to the other side of the VIN code sticker, and the other side of the soft layer is adhered to one side of the adhesive layer; the other side of the adhesive layer is adhered to the body sheet metal.

The invention relates to a back ridge and flue formwork system for preventing water seepage and smoke leakage of a flue, the back ridge comprises a mounting part arranged in a first cavity of a flue main formwork, the bottom surface of the mounting part abuts against a panel of the flue main formwork, and the upper edge of the mounting part does not exceed a side plate of the flue main formwork; each limiting part is arranged on the upper edge of the mounting part and extends towards the two sides from the mounting part, the limiting parts span the side plates of the flue main formwork and the side plates of the adjacent flue corner formworks on the two sides, and the tail ends of the limiting parts can limit the flue corner formworks. The mounting part is arranged in the first cavity of the flue main formwork, most structures of the back edges are embedded into the main formwork, the back edges are designed in a hidden mode, and the back edges are suitable for a narrower space, so that the moving space is larger, and convenience is brought to follow-up formwork disassembly; the flue corner formworks are limited, the formworks are reinforced and prevented from being staggered, and the flue corner formworks on the two sides and the flue main formwork in the middle are connected into a whole.

The invention discloses a ball head cutter with a limiting structure, which belongs to the field of metal cutting machining and comprises a ball head blade, a matched cutter body and a locking screw. A first main cutting edge, a second main cutting edge, a tool nose and a screw through hole are formed on the ball head blade, and an upper open type positioning part and a lower open type positioning part are respectively formed on two assembling sides of the ball head blade. The matched cutter body comprises two cutter clamps, a screw counter bore and a cutter handle, and the two cutter clamps are provided with an upper limiting part and a lower limiting part respectively. The locking screws are in threaded connection with the screw through holes and the screw counter bores respectively. The installation direction between the ball head blade and the matched cutter body is forcibly fixed to be the axial direction, and therefore the radial displacement of the ball head blade is limited. The ball head blade and the matched cutter body are matched in a wedge-shaped pressing mode through the reverse limiting structures on the two sides, and axial clamping is more reliable under the locking force effect of the locking screw.

The present invention relates to the technical field of automobile injection molding repair, and in particular to a defect repair device for automobile interior injection molding. The present invention includes a supporting device, a fixture, a preparatory processing device and an injection device. A material moving device is installed on one side of the supporting device, and a shaping device and a monitoring device are also installed on the supporting device. The supporting device is used to support other structures to facilitate processing operations. The fixture is used to install and fix molds and injection moldings that need to be repaired, which is convenient for repair operations on injection moldings and avoids displacement of injection moldings during processing. The material moving device is used to transfer and transport injection moldings to be repaired, which is convenient for automatic loading and improves equipment processing efficiency. The preparatory processing device is used to perform preliminary processing and repair on the injection moldings to be repaired, which is convenient for subsequent repair and shaping operations. The injection device is used to inject hot melt material into the area to be repaired of the injection molding to achieve automatic material replenishment and repair.

The utility model discloses a food processor capable of reducing noise of a gear box, which comprises a main machine assembly and a stirring cup assembly arranged on the main machine assembly, the stirring cup assembly comprises a stirring cup and a crushing cutter arranged in the stirring cup, and the main machine assembly comprises a motor and the gear box. The gear box comprises a gear box body composed of a gear box upper cover and a gear box lower cover and a planetary gear train arranged in the gear box body, an output shaft of the motor is connected with the input end of the planetary gear train, and the output end of the planetary gear train drives the smashing cutter to rotate. An axial positioning structure and a radial positioning structure are arranged between the gear box upper cover and the gear box lower cover, and the axial positioning structure does not affect positioning of the radial positioning structure. The gear box solves the problem of noise of the gear box caused by low positioning accuracy of the gear upper cover and the gear lower cover.

The invention discloses a gas pipe connector buckling-pressing beam pipe sealing technology. The technology comprises the following steps that a bent pipe is taken and placed into a main clamping base assembly; an auxiliary clamping device I on the machining module clamps the bent pipe, and a pipe section to be machined is reserved; a reaming piece arranged in the taper reaming assembly is inserted into the to-be-machined pipe section, so that the to-be-machined pipe section forms an inclined guide pipe section; the processing module is far away from the bent pipe; a connector is arranged on the arrangement assembly of the assembly module; s6, an auxiliary clamping device II arranged on the assembling module clamps the two ends of the bent pipe; the mounting assembly presses the connectors into the two ends of the bent pipe to form a semi-finished gas pipe; the placing assembly retreats, the auxiliary clamping device II loosens the bent pipe, and the assembling module is far away from the semi-finished gas pipe; the pipe buckling assemblies are close to the two ends of the semi-finished gas pipe and press the slope guide pipe sections so that the inner walls of the two ends of the bent pipe can be tightly attached to the connectors, and the finished gas pipe is manufactured. The pipe buckling assembly loosens the two ends of the finished gas pipe and gets away from the finished gas pipe, and the finished gas pipe is taken down after the main clamping base assembly loosens the finished gas pipe.

The invention discloses a rocket engine thrust control method and system, and relates to the technical field of rocket engine control, and the method comprises the steps: obtaining a combustion chamber pressure fluctuation signal, a propellant supply state parameter and a target thrust demand, carrying out the time-frequency domain decomposition of the pressure fluctuation signal, and obtaining a dominant frequency and amplitude envelope; and calculating a combustion stability boundary value. The thrust demand change gradient is restrained based on the boundary value, a thrust adjusting track is generated, and the flow adjusting amount and the pressure difference adjusting amount are calculated. And establishing a time sequence cooperative relationship between flow regulation and pressure difference regulation, and analyzing the pressure distribution characteristics of the supply pipeline. And flow adjusting quantity correction is conducted through frequency difference value calculation, and finally the supply mechanism and the injection mechanism are driven to achieve thrust adjustment. According to the invention, the thrust adjusting precision and the system stability can be effectively improved.