758results about How to "Guaranteed positioning accuracy" patented technology

The invention relates to the technical field of positioning calibration, and provides a water jet scalpel robot autonomous operation three-dimensional detection and positioning calibration method, which comprises the following steps: S1, manually controlling the tail end of a mechanical arm to carry out coarse scanning, and searching a calibration target; s2, fine scanning path planning of the line laser scanner is carried out, and the scanning directions X and Y of the line laser scanner are determined; s3, multiple times of scanning are carried out in the X direction and the Y direction, and multiple pieces of point cloud data are obtained through scanning; s4, recording and processing the point cloud data, and reserving the point cloud data of the calibration target; s5, performing error feature estimation and calibration on the reserved point cloud data of the calibration target; s6, manually controlling the calibration of the tail end of the water jet cutter, and correcting the space offset of the tail end of the cutter head of the water jet cutter; s7, filtering the point cloud data obtained during normal operation to obtain global error compensation; and S8, performing dynamic positioning correction on the operation target. The method is used for scanning positioning error compensation and correction of a hand-eye system of the water jet scalpel robot and dynamic error correction in the operation process.

The invention provides an adsorption module and a motion system, and relates to the technical field of precision equipment. The adsorption module comprises an adsorption substrate, a rotating base, a rotating shaft module, a wafer bearing table and a suction cup. The rotating base is fixedly connected with the adsorption substrate, and the rotating shaft module can rotate relative to the rotating base; the rotating shaft module can move in the axial direction of the rotating shaft module relative to the rotating base; the rotating shaft module is configured to be connected with the suction cup or the rotating base in an air pressure connection mode. The wafer bearing table is configured to be capable of adsorbing the suction cup or supporting the suction cup in an air floatation mode.

The invention relates to the technical field of numerical control machine tools, in particular to a multi-station clamp of a numerical control machine tool, which mainly comprises a mounting seat and a fixing mechanism, the fixing mechanism is arranged above the mounting seat, the fixing mechanism comprises a first clamping block fixedly mounted on the top surface of the mounting seat and a pressing mechanism, and the pressing mechanism is arranged above the first clamping block. When the outer wall of a workpiece is clamped and fixed through a first clamping block and a second clamping block, the outer wall of the workpiece pushes a wedge-shaped block to move, the wedge-shaped block pushes a concave frame to move downwards when moving, the concave frame drives a connecting rod and an arc-shaped plate to move downwards, the arc-shaped plate drives a sliding rod and a pressing plate to make contact with the edge of the top face of the workpiece, and meanwhile the edge of the top face of the workpiece is pressed through elastic force generated by extrusion of a second elastic part. The top face edge of the workpiece is pressed and fixed through the pressing plate, so that in the workpiece machining process, the workpiece is not prone to deviating or sliding from the upper side due to the influence of external force or the self weight, and therefore the positioning precision of the workpiece and the machining quality of a final product are guaranteed.

The invention provides an inner hole grooving device and a using method. The inner hole grooving device comprises a grooving device body installed on a machine tool tailstock, the grooving device body is coaxial with a workpiece installed on a machine tool chuck, and a plurality of sliding supporting bases are arranged between the grooving device body and a machine tool sliding rail; the grooving device comprises a shell supporting assembly and an internal feeding assembly, the internal feeding assembly is located in the shell supporting assembly and slides, a cutting tool moving in the radial direction is arranged at the end of the shell supporting assembly, and a tool in the cutting tool is used for cutting the inner wall of the workpiece; the cutting tool is located at the end of the grooving fixing cylinder through a clamping groove structure and slides in the radial direction, a dovetail wedge block is fixedly arranged on the bevel edge of the right-angle driving plate, a dovetail sliding groove is formed in the bottom of the cutting tool, and the dovetail wedge block abuts against the interior of the dovetail sliding groove. According to the inner hole grooving device, through the precise design and the efficient control system, the machining precision and stability are improved, the operation and maintenance process is simplified, and the overall production efficiency and product quality are improved.

The invention discloses sheet metal part welding forming equipment and a method thereof.The sheet metal part welding forming equipment comprises a basic weldment fixing unit which comprises a supporting frame, a supporting welding plate is fixedly connected to the supporting frame, a plurality of positioning holes are formed in the supporting welding plate, and positioning pins are arranged in the positioning holes; and the to-be-welded part clamping unit comprises a portal frame, a double-thread screw is rotationally connected to the portal frame, and end clamping assemblies are symmetrically arranged on the portions, located on the two sides of the supporting welding plate, of the double-thread screw. The position precision of a weldment in the welding process can be ensured through the precise action of the end clamping assembly, the risk of product size deviation is greatly reduced, the product percent of pass is improved, the adjustable design of the end clamping assembly can adapt to sheet metal parts of different shapes and sizes, the use of additional auxiliary clamps is reduced, the cost is reduced, and the preparation time is shortened.

The present invention relates to the technical field of rotary drilling rig equipment, and specifically to a rotary drilling rig for drilling holes for building pile foundations. A rotary drilling rig for drilling holes for building pile foundations comprises a drilling rig body, a boom, a transmission rod and a drill barrel. The drill barrel is detachably mounted on the transmission rod through a limit assembly. The limit assembly comprises a limit state and a free state. When in the limit state, the drill barrel and the transmission rod move synchronously. When in the free state, the drill barrel and the transmission rod can move relative to each other. The rotary drilling rig for drilling holes for building pile foundations provided by the present invention is used to solve the problem that the existing rotary drilling rigs are not easy to extract soil due to the deep excavation depth and the long boom.

The invention discloses a full-automatic tension laser blanking production line and a production method, and relates to the technical field of automatic laser machining, the full-automatic tension laser blanking production line comprises a waste box, a stacking station, a telescopic supporting laser cutting machine, a tension machine, a tension laser cutting machine, a feeding machine, a leveler and an uncoiling station, and the leveler is fixedly installed on the side face of the outer wall of the uncoiling station; a feeding machine is fixedly installed on the side face of the outer wall of the leveler, a tension laser cutting machine is fixedly installed on the side face of the outer wall of the feeding machine, a tensioner is fixedly installed on the side face of the outer wall of the tension laser cutting machine, and a telescopic supporting laser cutting machine is fixedly installed on the side face of the outer wall of the tensioner. A stacking station is fixedly installed on the side face of the outer wall of the telescopic supporting laser cutting machine, and a waste box is arranged below the side face of the outer wall of the stacking station. By means of the tooling, the position precision of a blanking part and the quality of a material stack are controlled, the problem that the blanking part deviates due to the fact that the manual discharging position is too large and equipment vibrates and displaces is solved, and the bearing capacity of the material stack is improved.

The invention discloses a voxel map plane merging method, system and device and a storage medium, and the method comprises the steps: S1, carrying out the voxelization of a point cloud, detecting a plane in a voxel, and recording the feature information of the plane; s2, classifying the planes in the voxels according to the plane feature information, and calculating a hash key value; and S3, combining the plurality of planes according to the hash key values and the position relationship of the different planes. According to the method, by calculating the hash key values of the voxel planes, the voxel planes with similar geometric attributes can be quickly merged into the same hash bucket and are uniformly processed, so that the real-time performance and the resource utilization efficiency of the system are greatly improved, and particularly, when a large-scale environment is processed, the real-time performance of the system is greatly improved. The defects of a traditional fixed voxel size method can be more effectively overcome.

The invention provides an automatic driving vehicle high-precision positioning system and method based on AOA and laser radar, a medium and equipment, and the method comprises the steps: S1, receiving a Bluetooth signal transmitted by a vehicle through an AOA module, and calculating the arrival angle of the signal; s2, combining the arrival angle and vehicle position information provided by a GPS module to obtain position prediction; s3, laser pulses are emitted through a laser radar module, reflected signals are received, and point cloud data of the surrounding environment are obtained; s4, comparing the point cloud data with a prior positioning map, determining the number of a grid where the vehicle is located, and obtaining a positioning result through online normal distribution transformation; and S5, based on the information provided by the GPS module and the inertia module, the calculation module optimizes the positioning result to obtain a precision positioning result. The method does not affect the positioning accuracy and stability even in an underground scene, improves the positioning precision, reduces the calculation resource demand, can adapt to a complex environment, and also reduces the dependence on the initial position.

The invention discloses a full-automatic rotary bag feeding type packaging machine suitable for PE packaging bags, which comprises a workbench, a bag feeding part, a bag taking part, a rotary bag clamping part, a bag opening part, a weighing and discharging part, a rechecking and weighing part, a punching part, a sealing part and a finished product conveying part, wherein the bag feeding part, the bag taking part and the rotary bag clamping part are arranged on the workbench, and the bag opening part, the weighing and discharging part, the rechecking and weighing part, the punching part, the sealing part and the finished product conveying part are sequentially arranged in the circumferential direction of the rotary bag clamping part. The bag feeding part comprises a bag storage assembly, a bag suction assembly, a bag clamping assembly and a bag conveying assembly, the bag suction assembly and the bag clamping assembly form a bag separating mechanism, and the bag storage assembly is suitable for pushing stacked PE bags to horizontally move and conveying the PE bags to the bag conveying assembly one by one through the bag separating mechanism; and the bag taking part is arranged between the bag conveying assembly and the rotary bag clamping part and is suitable for overturning the PE bags to the rotary bag clamping part, the PE bags are sequentially conveyed to all the parts through the rotary bag clamping part to be packaged and processed, and the PE bags are output through the finished product conveying part. According to the automatic packaging machine, automatic packaging of the PE bags can be achieved, efficient and stable production output is achieved, and the technical blank in the aspect of domestic flexible packaging materials is filled.

The invention relates to the technical field of circuit board detection, in particular to a circuit board detection tool which comprises a belt conveyor, a testing assembly, a limiting assembly, a baffle, a square frame, a lifting plate, a clamping assembly and a timing switch, and the testing assembly is installed on the side wall of the belt conveyor and extends to the position above the belt conveyor. The limiting assembly is installed on the inner wall of the belt conveyor, the square frame is horizontally connected with the limiting assembly in a sliding mode, and the lifting plate is vertically installed in the square frame in a sliding mode. A baffle plate is arranged to intercept a circuit board, a main power supply of the belt conveyor is disconnected after the circuit board moves to a test station, a branch power supply of the belt conveyor is connected after the test is finished, and the baffle plate moves downwards to lose the interception effect of the circuit board and then is reset, so that the problem that the servo motor controls the test position of the circuit board is solved; and the circuit board pins and the probes are misplaced due to the influence of the encoder precision and the load change of the servo motor.

The invention relates to the technical field of optical adjustment testing, in particular to a system and method for adjusting the position degree of a high-precision rotating reflector relative to a reflex reflector component, and the system comprises a four-dimensional angle adjusting table, an autocollimator and a scanning mechanism, and the four-dimensional angle adjusting table is provided with a horizontally arranged optical flat; the autocollimator is arranged right above the optical flat, and the output end of the autocollimator faces downwards; the scanning mechanism comprises a mounting seat, the mounting seat is provided with a high-precision rotating reflector, a reflex reflector part and an adjusting assembly, the high-precision rotating reflector is arranged below the autocollimator, and a reflector surface of the high-precision rotating reflector faces the autocollimator; the reflex reflector component is used for converting a horizontal light beam output by the high-precision rotary reflector into a vertical light beam; the adjusting assembly is used for adjusting the pitch angle and the azimuth angle of the high-precision rotating reflector and adjusting the pitch angle and the azimuth angle of the reflex reflector part. According to the invention, the position precision of the high-precision rotary reflecting mirror and the reflex reflecting mirror component is ensured.

The invention relates to the field of servo motors, and discloses a motor rotor iron core and a motor cogging torque reduction method and device.The motor rotor iron core of a hemispheroid-like structure is composed of an iron core buckling point structure and a permanent magnet ring, and the outer contour of the bottom of the motor rotor iron core is a circle-like shape formed by connecting a plurality of three-section type geometric lines; the rotor has a unique three-section type rotor core excircle structure. According to the structure, the cogging torque can be reduced, the back electromotive force waveform sinusoidal property of the motor can be improved, the pole-arc coefficient is optimized by changing the circumscribed included angle between the straight line section and the arc section and the eccentric distance between the center of the arc section and the center of the rotor core, and the design target is completed through finite element analogue simulation analysis. Finally, the effects of reducing the cogging torque of the motor, improving the sine property of the back electromotive force waveform and guaranteeing the positioning and control precision of the motor are achieved.

The utility model provides an alignment device, wafer bonding equipment and wafer bonding test equipment, and relates to the technical field of semiconductors. The alignment device comprises a carrying table with a placing area, and at least two first alignment assemblies and a second alignment assembly which are arranged on the carrying table, the number of the first alignment assemblies is at least two, each first alignment assembly specifically comprises a first elastic alignment piece upwards extending out of the placing area, and the first elastic alignment pieces can move downwards when being pressed; the second alignment assembly comprises a rotating arm capable of rotating relative to the carrying table and an elastic reset piece connected to the rotating arm, and the elastic reset piece is used for driving the rotating arm to rotate towards the placing area; a second elastic alignment piece is arranged at the tail end of the rotating arm; the second elastic alignment piece upwards extends out of the placing area and can downwards move when being pressed; the first elastic alignment piece and the second elastic alignment piece are arranged in the containing area in a spaced and surrounding mode. According to the alignment device, alignment operation on the wafer is convenient, stable alignment on the wafer can be kept in the bonding process, and the bonding yield is high.

The utility model discloses a turnover device for a stator core of a motor, which belongs to the technical field of stator core assembly of a steam turbine generator, and comprises a C-shaped rolling cage type frame body, a V-shaped supporting frame, a roller rotating tire, a turnover driving device and a control system, the roller rotating tire comprises a supporting base, and two groups of driven rollers are arranged on the supporting base; the C-shaped rolling cage type frame body comprises a set of arc-shaped frame bodies, arc-shaped grooves are formed in the outer sides of the arc-shaped frame bodies, the inner sides of the arc-shaped frame bodies are of an L-shaped structure, the V-shaped bearing frame comprises two sets of V-shaped support assemblies installed on the L-shaped structure, each V-shaped support assembly comprises a bottom plate and an adjusting block, and the distance between the two sets of V-shaped support assemblies is adjusted through a first driving mechanism and a lead screw. The distance between the two adjusting blocks on the bottom plate is adjusted through a T-shaped bolt; the turnover driving device comprises a second driving motor, a speed reducer and a pin gear, the second driving motor drives the C-shaped rolling cage type frame body to rotate above the driven roller through the driving speed reducer and the pin gear, and the control system is in control connection with the first driving mechanism and the second driving motor. The problems that in the prior art, a motor stator iron core turning tool is complex in installation, poor in universality, complex in structure and inconvenient to use are solved.

The invention relates to electronic equipment of the internet of things, and discloses wearable equipment, an injection molding system of the wearable equipment and an opening and manufacturing method of the wearable equipment. The injection molding system comprises a mold, a bracket, a circuit board and a battery, the circuit board and the battery are fixed on the bracket, and the battery supplies power to the circuit board; the mold is provided with a hollow cavity, and the bracket on which the circuit board and the battery are fixed is arranged in the cavity; one part of the bracket is in contact with the mold so as to stably arrange the bracket in the cavity; the circuit board and the battery are arranged in the cavity and are not in contact with the inner surface of the cavity; the mold comprises at least one injection molding hole communicating the cavity with the exterior of the mold. According to the injection molding system, integrated packaging of products can be achieved, the waterproof performance and the structural strength are improved, meanwhile, the production cost is reduced, and the production efficiency is improved.

The invention discloses a split type boring method for butt joint parts, which comprises the following steps: respectively mounting the same indexing alignment template on two parts, and respectively aligning and processing the two parts by a numerical control boring machine through the indexing alignment template to realize the consistency of processing and positioning of the two parts; the indexing alignment template comprises a template body, and the template body is provided with an alignment mark and two sets of connecting hole groups corresponding to the two parts. The high-precision indexing alignment template is used for indexing and alignment of the runner hub and the handling frame in single-piece machining of the numerical control boring machine, the consistency of the positions of all sets of shaft holes of the runner hub and corresponding lug holes of the handling frame can be guaranteed, and therefore split type machining of the runner hub and the handling frame is achieved.

The invention relates to the technical field of grinding devices, in particular to a grinding tool suitable for a super-huge thin-wall bearing ring. According to the grinding tool, when the outer ring of the thin-wall bearing ring needs to be ground, only the thin-wall bearing ring needs to be forcibly mounted on the clamping jaws from top to bottom, so that the inner circumferential surface of the thin-wall bearing ring is supported on the outer side surfaces of the restraining blocks of the clamping jaws, and when the inner ring of the thin-wall bearing ring needs to be ground, the inner ring of the thin-wall bearing ring needs to be ground. When the thin-wall bearing ring is machined, only the thin-wall bearing ring needs to be forcibly installed on the clamping jaws from top to bottom, the peripheral face of the thin-wall bearing ring is hooped on the inner side faces of the restraining blocks of the clamping jaws, and due to the fact that the restraining blocks are located on the rigid elastic arms, the restraining blocks can keep tightly supporting the corresponding peripheral faces of the machined bearing ring depending on the rigidity and elasticity of the rigid elastic arms; reliable positioning supporting is provided, the positioning precision is guaranteed, meanwhile, the restraining blocks can resist radial force borne by the bearing ring during grinding machining, and then the machining precision is guaranteed.

The utility model provides an automobile electronic water valve actuator which comprises a lower shell and an upper shell, a gear set, a motor and a PCB are arranged in an installation cavity of the lower shell, the upper shell is connected to the opening end of the lower shell, an upper positioning portion is arranged on the lower end face of the upper shell, a lower positioning portion is arranged on the lower shell, the upper positioning portion is matched with the lower positioning portion, and the upper positioning portion is matched with the lower positioning portion. The PCB is pressed and limited between the upper positioning part and the lower positioning part; the free end of an output shaft of the motor is sleeved with a magnetic ring, the PCB is connected with a Hall sensor used for sensing signals of the magnetic ring, and the Hall sensor is electrically connected with the PCB. According to the automobile electronic water valve actuator disclosed by the utility model, the accurate control of the output angle of the actuator is ensured by improving the assembly accuracy of parts and improving the control of the output angle of the motor.

The invention relates to the electronic circuit manufacturing technology, and discloses automatic printing equipment for PCBA board processing and a printing technology thereof.The automatic printing equipment comprises a rack and conveying tables located on the two sides of the rack, a printing table and a printing table are arranged on the rack, the printing table and the two conveying tables are located on the same horizontal line, the printing table is located over the printing table, and the printing table is located above the printing table; a screen printing steel mesh and a solder paste dipping mechanism are arranged on the printing table, an identification probe is arranged at the bottom of the printing table in a sliding mode, a lifting mechanism is arranged in the rack and comprises a driving block, a jacking piece and a multi-stage air cylinder driving the driving block to slide, and a plurality of guide columns vertically penetrating through the bottom plate in a sliding mode are distributed at the bottom of the printing table. The supporting piece is connected to the bottom of the printing table, a conveying platform, a verification platform and a tin coating platform are sequentially arranged on the driving block in the sliding direction, the conveying platform and the verification platform are in transition connection through an inclined face, and the verification platform and the tin coating platform are in transition connection through an inclined face. The device has the effect of improving the production efficiency of the PCBA silk-screen solder paste.

The invention relates to the technical field of plate production equipment, in particular to a plate collecting and releasing machine which comprises a lifting driving mechanism, a bearing conveying mechanism, a material frame positioning device, a plate conveying mechanism, a push-in mechanism, a material frame output mechanism, a push-out mechanism and a material frame input mechanism. The bearing and conveying mechanism is used for being connected with the output end of the material frame input mechanism or the input end of the material frame output mechanism, and the pushing-in mechanism is used for pushing plates conveyed by the plate conveying mechanism into material grooves of material frames borne by the bearing and conveying mechanism in place. The push-out mechanism is used for pushing the plates in the material grooves of the material frames borne by the bearing and conveying mechanism out to the plate conveying mechanism. The plate collecting and releasing functions are integrated, plate collecting or releasing can be selected according to the use requirement of a user, use is flexible, one object has two purposes, the production cost is reduced, automatic replacement of the plate collecting and releasing material frame can be achieved, the material frame replacement efficiency is improved, and the labor cost and the labor intensity are reduced.

The invention discloses a pipeline welding device for building construction, and relates to the technical field of pipeline welding for building construction, the pipeline welding device for building construction comprises a lifting plate, a square block, a clamp, an elastic telescopic pressing block, an elastic telescopic column, a bottom plate, a flat plate, a vertical plate and a sliding frame, the lifting plate is fixedly mounted at the top of a working plate, and the square block is fixedly mounted at the top of the lifting plate; the clamp is rotationally installed on the face, away from the electric welding device, of the square block, a through groove is formed in the top of the lifting plate, the bottom plate is fixedly installed at the bottom of the through groove, and the fixed end of the elastic telescopic column is fixedly installed at the top of the bottom plate, so that a to-be-welded pipeline can be firmly fixed to a specific position; therefore, the position accuracy of a welding seam is ensured, the welding quality is improved, the aligning gap and the unfitness of butt joint of the pipeline can be accurately adjusted and kept, the pipeline meets the requirements of a welding process, and welding defects are reduced.

The utility model discloses a feeding assembly and detection equipment. The feeding assembly comprises a first rack, a feeding table and a limiting structure. Wherein the feeding table is arranged on the first rack in a lifting manner; the limiting structure is arranged on the first rack and comprises a first limiting plate and a second limiting plate which are vertically arranged on the feeding table in a penetrating mode, the limiting structure has a first limiting state and further has at least one of a second limiting state and a third limiting state, and the first limiting state and the second limiting state are in the first limiting state; in the first limiting state, the limiting structure can limit movement of objects on the feeding table in the first horizontal direction and the second horizontal direction, in the second limiting state, the limiting structure can limit movement of the objects on the feeding table in the first horizontal direction, and in the third limiting state, the limiting structure can limit movement of the objects on the feeding table in the second horizontal direction. According to the feeding assembly provided by the embodiment of the utility model, the adaptability to feeding objects of various specifications is improved through different limiting states, and meanwhile, the feeding efficiency is improved.

The utility model discloses a hot pressing device, and belongs to the technical field of hot pressing equipment. According to the hot-pressing device, before hot pressing, a hot-pressed product can be placed on the lower hot-pressing block and descends along with the lower hot-pressing block, so that the hot-pressed product falls on the lower hot-pressing plate; after hot pressing, the lower hot-pressing block can lift a hot-pressed product on the lower hot-pressing plate, so that the manipulator can feed and discharge materials conveniently, and the hot-pressing plate, the manipulator and the hot-pressed product can be prevented from being scratched; the upper hot-pressing block can abut against the top of the product, so that the product is prevented from shifting when ascending and descending along with the lower hot-pressing block, the positioning precision of the product is guaranteed, and interference with a mechanical arm is avoided.

According to the blasting construction method based on self-adaptive geological induction, geological data of a blasting area are collected and analyzed in real time, high-resolution scanning and a multi-node monitoring system are combined, perforation parameters and a charging scheme are dynamically adjusted, and accurate detonation control is achieved through a multi-point triggering system. According to the method, the position precision, the explosive loading amount and the safety in the blasting construction process are ensured, the safety and the effect of blasting operation under the complex geological condition are effectively improved, the environmental influence is reduced, and the blasting efficiency is optimized.

The invention discloses a double-head carbon fiber printing device and a printing method, and belongs to the technical field of 3D printing, the double-head carbon fiber printing device comprises a rack, a working rotary table is fixedly mounted on the rack, two Y-axis sliding rail mechanisms are symmetrically arranged on the two sides of the working rotary table, an X-axis sliding rail mechanism is slidably connected between the two Y-axis sliding rail mechanisms, and two Z-axis sliding rail mechanisms are oppositely arranged on the two sides of the X-axis sliding rail mechanism; the two Z-axis sliding rail mechanisms are synchronously arranged on the X-axis sliding rail mechanism in a sliding mode, one Z-axis sliding rail mechanism is provided with the ultrasonic printing head, the other Z-axis sliding rail mechanism is connected with the laser printing head through the swing mechanism, the double-head design is adopted, the ultrasonic printing head and the laser printing head are integrated, parallel printing of multiple materials can be achieved, and the printing efficiency is improved. Compared with the prior art, carbon fibers and other base materials can be printed synchronously, flexible switching of multiple materials and multiple processes is achieved, the printing efficiency and precision are remarkably improved, meanwhile, switching of a single printing head does not need to be conducted frequently, path planning is more reasonable, and material waste is avoided.