40results about How to "Precise speed control" patented technology

The invention discloses an automatic material nail removing device for a groove type commutator and a using method, and the device comprises a machine table, a main shaft box is arranged on the upper side of the machine table, a feeding sliding table module is installed on the opposite side of the main shaft box, a commutator feeding vibration disc is installed on the front side of the machine table, and a commutator conveying line assembly in butt joint with the commutator feeding vibration disc is installed on the machine table; a feeding manipulator module and a discharging module which synchronously and transversely move are arranged on the feeding sliding table module in a driving mode, an XY-axis bidirectional sliding table assembly is installed on the rear side of the machine table, a cutting tool is installed on the XY-axis bidirectional sliding table assembly, and a material receiving component corresponding to the discharging module is arranged on the side portion of the spindle box. An unloading conveying belt is mounted on the machine table below the receiving part; and the feeding manipulator module is used for putting a groove-shaped commutator on the commutator conveying line assembly into a main shaft chuck on the main shaft box. According to the invention, various technical problems generated by adopting a manual processing mode at present can be solved.

This utility model relates to the field of food processing equipment manufacturing technology, and in particular to a composite motion drive mechanism for a gluten roll winding device, which consists of a torque output unit and a drag force output unit. The winding assembly performs circumferential rotation under the drive of the torque output unit; the unloading cylinder, driven by the drag force output unit, completes axial reciprocating movement, causing the formed gluten to detach. The drag force output unit uses a transmission shaft as its power source, and through the cooperation of a cam mechanism, a multi-component transmission mechanism, a rocking component, and an elastic reset component, converts the power into the reciprocating rocking motion of the rocking component, thereby driving the unloading cylinder to move synchronously. Thus, on the one hand, the composite motion drive mechanism has a relatively simple design structure, and thanks to the operating characteristics of the cam mechanism, the unloading cylinder can achieve non-rigid unloading force application; on the other hand, by adjusting the contour curve of the cam mechanism and the parameters of the multi-component transmission mechanism, and with the assistance of the elastic reset component, the gluten roll winding device can adapt to various unloading requirements.

The application discloses a kind of installation methods of assembled power component radiator, belong to the technical field of power component, comprising: copper layer is sprayed on the inside welding surface of each sub-radiator;Composite solder preform is prepared by solder alloy powder and pore-forming agent particles;After the superposition of radiator, composite solder preform and power module are sent into vacuum soldering furnace and are vacuum soldered;After vacuum soldering is completed, multiple independent power component radiator assemblies are obtained;Multiple independent power component radiator assemblies are spliced to obtain assembled power component radiator.The application forms exhaust passage by pore-forming agent before solder melting, and removes welding interface gas;Directional flow of molten solder is driven by electromigration effect, and bubbles are pushed to interface edge and discharged;Densification is realized by static pressure, and three-level strategy synergies, reduces the porosity, and improves heat dissipation performance and connection reliability.

The invention belongs to the technical field of medical instruments, and particularly relates to an invisible anterior tooth adduction correction device based on implant anchorage, which comprises a main body, two sides of the main body are fixedly connected with a pair of anchorage arms, one end, far away from the main body, of each anchorage arm is fixedly connected with a mounting part, and the edge of the main body is fixedly connected with a pair of fixing rings. The fixing ring is located between the pair of anchorage arms, a sliding groove is formed in the edge of the side, away from the fixing ring, of the body, a pair of sliding blocks are slidably connected to the inner side of the sliding groove, first hooks are fixedly connected to the sides, away from the fixing ring, of the sliding blocks, and a pair of second hooks are arranged on the two sides of the sliding groove. The anterior tooth adduction device has the beneficial effects that by arranging the main body, the anchorage arm, the anchorage nail and the fixing ring, the anterior tooth adduction device can be fixedly mounted in the palate skull of the oral cavity of a patient, and anchorage is provided for anterior tooth adduction of the patient, so that loss of anchorage is avoided, and accurate control on the anterior tooth adduction speed, direction and mode of the patient is realized.

The application relates to the field of medical devices, and particularly discloses a drug releasing capsule device based on an external rotating magnetic field, which comprises a capsule shell, a medicine liquid is stored in the capsule shell, a drug releasing hole is arranged in the lateral wall of the capsule shell, and a spiral strip is arranged on the outer lateral wall of the capsule shell; a medicine pushing rod is slidably arranged in the capsule shell, a stop block is fixedly connected to the medicine pushing rod, the stop block slides along the inner lateral wall of the capsule shell and is used for shielding or opening the drug releasing hole; a first magnet is rotatably arranged in the capsule shell and is driven to rotate by the external rotating magnetic field; a cylindrical cam is coaxially fixed to the first magnet and is used for converting the rotating torque of the first magnet into an axial pushing force to push the medicine pushing rod; a spring is arranged in the capsule shell and is used for applying an elastic force opposite to the axial pushing force to the medicine pushing rod; and a second magnet is fixedly arranged in the capsule shell and is used for keeping the capsule shell fixed under the action of an external static magnetic field. The application adopts a non-contact magnetic driving mode and can realize fixed-point drug releasing and multiple quantitative drug releasing.

The application relates to the technical field of intelligent mobile devices, in particular to a differential horizontal rudder wheel assembly which comprises a walking motor module, a steering motor module, a planetary reducer module and an optimized mechanical connection assembly. The walking motor and the steering motor are both servo motors, high-torque output and accurate control are realized by combining the planetary reducer; the mechanical structure is compact, the installation height is 340 mm, and the integration degree is high; the wheel body is made of polyurethane material, can bear 1500 kg and is suitable for complex working conditions; NPN normally open proximity switches are configured to realize closed-loop control. The application can provide high-precision and high-performance driving, is suitable for automatic devices such as intelligent logistics vehicles and AGV trolleys, meets the demand of complex working conditions and improves the operation reliability.

The utility model discloses a bicycle speed regulator and bicycle, bicycle speed regulator includes speed regulator shell, speed regulator worm, speed handle, speed handlebar cover, worm wheel, worm wheel bearing, first adjusting steel wire rope fluted pulley, second adjusting steel wire rope fluted pulley, rear -view mirror support and tap cover, the upper portion in speed regulator shell is transversely installed with speed regulator worm through worm bearing, and the lower portion in speed regulator shell is longitudinally installed with the worm wheel of meshing with speed regulator worm through worm wheel bearing, the left side of speed regulator shell is equipped with extension pipe, is equipped with tap cover on extension pipe, and tap cover is locked on extension pipe through rear -view mirror support. The utility model discloses through worm wheel worm drive and double fluted pulley linkage design realizes accurate speed control, and the whole has the characteristics of compact structure, labour saving, convenient adjustment, speed linear and high reliability, can realize the effect of speed regulation, constant speed, stepless speed regulation, realizes the sliding positioning of traction support before and after to the millimeter level, avoids the phenomenon of riding when jumping the file.

The utility model discloses automatic feeding equipment of a laser cutting machine, which belongs to the technical field of automation and comprises a machine table, a group of transplanting module mechanisms and a manipulator mechanism. Module transplanting mechanisms and a manipulator mechanism are arranged on the machine table, and the module transplanting mechanisms are arranged on the two sides of the manipulator mechanism correspondingly. The output end of the manipulator mechanism is provided with the material taking mechanism; a product is placed on the transplanting module mechanism; an organ cover is correspondingly arranged on one side of the transplanting module mechanism; an emergency stop button is arranged on the machine table; and the transplanting module mechanism and the manipulator mechanism are arranged in the machine cover. The transplanting module mechanism and the mechanical arm mechanism are matched for feeding, automatic feeding can be achieved, the manual intervention time is shortened, multi-station feeding is arranged, and the production continuity and efficiency are improved.

This invention relates to the field of wastewater treatment and reuse technology, and discloses a wastewater treatment and reuse device for copper concentrate flotation, comprising: a mounting frame as the overall supporting body of the equipment; and a pretreatment unit integrated on one side of the top of the mounting frame. The pretreatment unit includes a pretreatment tank, an anti-clogging filter assembly, and an intermittent jetting assembly. The pretreatment tank is used to receive copper concentrate flotation wastewater and provide pretreatment space. The anti-clogging filter assembly includes a stepped filter screen detachably connected to the inside of the pretreatment tank. Through the deep synergy between the anti-clogging filter assembly and the intermittent jetting assembly in the pretreatment unit, the long-standing problems of easy filter clogging, single function, and poor operational stability in the pretreatment stage of copper concentrate flotation wastewater are effectively solved. At the same time, this invention can avoid the problem of excessive waste or insufficient addition of reagents due to water quality fluctuations in the traditional fixed-dosing mode, ensuring that the three liquid reagents can be fully mixed with the wastewater in the optimal ratio.

The utility model discloses a water chestnut slicing machine, which relates to the field of food processing, and comprises a rack, a box body is fixedly connected on the rack, two rotating shafts I and two rotating shafts II positioned below the rotating shafts I are rotatably connected in the box body, a first driven chain wheel is fixedly connected on the rotating shafts I, and a second driven chain wheel is fixedly connected on the rotating shafts II. A second driven chain wheel is fixedly connected to the second rotating shaft, and a driving assembly is fixedly connected to the rack. The device has the beneficial effects that through transmission of a motor, a driving chain wheel and a chain in the driving assembly, the first rotating shaft and the second rotating shaft on the same side are driven to rotate in the same direction, and through meshing transmission of a first driven chain wheel and a second driven chain wheel, the rotating direction and speed of a first conveying roller, a second conveying roller and a blade can be accurately controlled. And the annular blades inserted on the two rotating shafts II in a staggered manner can cut the water chestnuts from multiple angles during rotation, so that the water chestnuts are quickly and uniformly cut into a plurality of pieces, and the slicing efficiency and the yield are greatly improved.

The utility model provides a kind of carbon-coated aluminium foil surface quality treatment device, comprising: the unwinding device of connection in proper order, hot air knife device, first oven device, first coating device, second oven device, second coating device, third oven device and winding device;Winding device is used to wind aluminium foil roll after aluminium foil roll is sequentially treated by hot air knife device, first coating device, second oven device, second coating device and third oven device;Hot air knife device is used to remove oil film by shearing stripping and pyrolytic oxidation mode to aluminium foil roll;First coating device is used to coat the front of aluminium foil roll passing;Second oven device is used to dry the front of aluminium foil roll;Second coating device is used to coat the back of aluminium foil roll;Third oven device is used to dry the back of aluminium foil roll and is transported to winding device.The utility model's carbon-coated aluminium foil surface quality treatment device can improve the surface quality of aluminium foil.

This application relates to the field of biscuit production technology, providing a fully asynchronous synchronous control system and method for a biscuit production line. The system includes a data acquisition module, a data processing module, a central control module, and an execution module. Dynamic adaptive adjustment is achieved through a closed-loop control process. The data acquisition module collects real-time data on the speed of each conveyor belt segment, biscuit density, and posture. The data processing module constructs and iteratively optimizes a speed control prediction model based on historical and real-time data to calculate the optimal speed for each segment. The central control module generates segmented acceleration commands for smooth rotation in the cooling section, gradual speed commands for smooth transitions between processes, and dynamic adjustment commands for coordinating the density across the entire line, based on the model output. The execution module responds to the commands with precise speed adjustment. This application achieves global synchronous matching of speed and biscuit density across multiple asynchronous conveyor belts, significantly improving production yield and efficiency while reducing material and energy waste.

This invention discloses a dosing device and a dosing method. The dosing device includes a drug storage device connected to a dispensing pipe. A drug pump, a first pressure detection device, a flow detection device, and a terminal dosing system are sequentially connected to the dispensing pipe. The terminal dosing system includes a branch pipe connected to the dispensing pipe. A second pressure detection device, a manual ball valve, a first back pressure valve, a dosing mechanism, and a second back pressure valve are sequentially connected to the branch pipe. A terminal dosing port is connected to the end of the branch pipe. The dosing mechanism includes a piston fixing housing, within which a piston is slidably connected. This invention ensures that the entire dispensing pipe is filled with drug by controlling the pressure of the dispensing pipe. It can control the rotation speed of the drive device according to the different dosing flow requirements at each dosing point, achieving accuracy and stability of the drug dosage at each dosing point, and effectively reducing the difficulty of precisely adjusting the different drug dosages at multiple dosing points.

This utility model discloses a novel geological exploration drilling device, relating to the field of geological exploration technology. It includes a base with self-locking casters on all four sides of its bottom. A fixing plate is fixedly connected to all four sides of the base's bottom, and each fixing plate has a threaded hole through which a fixing screw is threaded. A handle is fixedly connected to the top of each fixing screw, and the bottom of each fixing screw is conical. A first motor drives a reciprocating screw to rotate, which, combined with a limiting rod, restricts the rotation of the connecting plate, allowing the connecting plate to move precisely up and down axially. Simultaneously, a second motor on the connecting plate drives the drill bit to rotate at high speed. This combination achieves precise control of drilling depth and speed, helping to obtain more accurate geological samples, improving the accuracy of geological exploration, and providing a reliable basis for subsequent geological analysis.

This invention discloses a magnesium-lithium alloy cabin structure component and its forming method, belonging to the field of magnesium-lithium alloy forming technology. The method includes the following steps: S1. Pre-treatment of the magnesium-lithium alloy ingot, followed by free forging or extrusion to obtain a billet; S2. Die forging the billet and air-cooling it to room temperature to obtain a forging; S3. Holding the forging at 270~290℃ for 4~6 hours, then quenching it in cold water and performing T5 heat treatment; finally, aging strengthening by holding it at 180~220℃ for 8~12 hours. The forming method of this invention improves product uniformity through pre-treatment and enhances product strength and toughness through heat treatment. This forming method has broad application prospects and is expected to be industrialized.

The utility model relates to a grain mixing device, driving motor, support plate, gyration axle, rotary support frame, mixing barrel assembly and autorotation mechanism, driving motor output end and gyration axle one end transmission connection, gyration axle other end passes through support plate and is fixedly connected with rotary support frame, autorotation mechanism one end is connected with support plate, and its other end is transmission connection with mixing barrel assembly, and rotary support frame is rotationally connected with mixing barrel assembly, and rotary support frame rotates around first axis under the drive of gyration axle, and autorotation mechanism is used for driving mixing barrel assembly to rotate around second axis, and first axis is perpendicular with second axis. Driving motor drives gyration axle to rotate, drives rotary support frame to rotate around first axis, simultaneously drives mixing barrel assembly to rotate around second axis through autorotation mechanism and second transmission assembly, realizes mixing barrel assembly to carry out the stirring to grain from different directions, ensures grain sample even mixing, reduces manual labor intensity, improves mixing efficiency.

The utility model discloses a sample tube rotary jaw control system and sample pipe switch cover device adopt the curve control algorithm function of built -in of jaw MCU control chip to send information to FOC module, and FOC module controls FOC drive chip drive first MOS tube circuit through PWM pulse and completes the motion control to the clamping motor to the utility model discloses the mature FOC algorithm chip on the market, utilizes FOC closed loop control algorithm to realize the accurate control to the jaw clamping force, position, speed, greatly improved the control precision of jaw, reduced the development difficulty of sample tube rotary jaw control system.

The application discloses a kind of composite material winding repair mechanism, including straight rail and ring rail displacement executing mechanism, epoxy resin mixing and daub mechanism and composite tape sticking mechanism, can be in the repair case of pipeline without stopping oil transmission, through winding multilayer composite tape, short-term reinforcement repair is carried out to pipeline, avoid the higher cost caused by clamp repair or pipe replacement.The device can select different composite tapes according to actual situation to carry out composite material winding repair, so as to realize the winding repair of different materials, different widths and different thicknesses of composite tapes, meet the requirements of different defect repair standards.In addition, since the operation of ring rail and straight rail is realized by servo valve control hydraulic motor, the winding direction and speed of composite tape can be accurately controlled.The axial and radial positions of pressing plate are adjusted by hydraulic cylinder to complete the sticking of composite tape end and pipeline, and the conversion of winding direction at both ends of composite tape in repair area, to ensure the smooth winding of composite material.

The utility model relates to technical field of liquid medicine spraying, concretely relates to a pepper planting liquid medicine spraying device, including drive assembly, drive assembly includes bottom plate, and the bottom plate lower surface fixedly connected with outer frame, and the outer frame is fixedly connected with motor in, and the motor output shaft fixedly connected with driving gear, and the driving gear is engaged with driven gear, and the driven gear is engaged with drive gear, and one end of drive gear is fixedly connected with connecting rod, and the wheel pivot is fixedly connected with support no.

The present application relates to pile foundation engineering technical field, especially to a kind of rectangular pile intelligent hole-forming equipment, comprising: main rack, the main rack includes: the cross section control support of rectangular frame structure and swing shaft across the both sides of cross section control support;The horizontal cross-sectional dimension of the cross section control support is matched with target pile hole size;Cutting drilling assembly, the cutting drilling assembly includes: power support and multiple groups of horizontal arrangement cutting drill bit group;The through hole is equipped on the power support, and the power support is set on the swing shaft by the through hole;Swing drive mechanism, the swing drive mechanism includes: swing cylinder and limit switch symmetrically arranged on the swing shaft, and the swing cylinder is used to drive the power support;The limit switch is used to control swing amplitude;Intelligent control system, the intelligent control system includes: torque sensing piece for sensing the torque of cutting drill bit group and controller.

The utility model relates to a double-order physical foaming extrusion testing machine, and relates to the field of foaming extruders. The device comprises a machine box, the machine box comprises a base and a processing box, the processing box is installed on the upper end face of the base and fixedly connected with the base, a material mixing pipe is horizontally installed on the side face of the processing box and fixedly connected with the processing box in a sealed mode, and two sets of horizontal screw rods are symmetrically installed in the material mixing pipe; the horizontal screws are rotationally connected with the mixing pipe, and a motor set for driving the two horizontal screws to rotate synchronously is further installed on the outer side face of the processing box. Through pre-stirring of the stirring impeller in the feeding shell and synchronous stirring of the two sets of horizontal screws in the material mixing pipe, materials are fully mixed before entering the foaming stage, uniform distribution of material components is guaranteed, and the consistency of the foaming effect is improved. And meanwhile, the pressure release speed and degree can be accurately controlled through a reducing single screw in the pressure release assembly according to the characteristics of materials and process requirements.

The utility model provides a kind of amorphous alloy continuous casting device, including the vacuum smelting bin and vacuum casting bin and continuous casting mechanism of sealed communication, vacuum smelting bin with the vacuum casting bin between being equipped with melt casting partition door, vacuum smelting bin is connected for maintaining the vacuum system of vacuum environment in bin;The continuous casting mechanism includes the casting cavity being located in the mobile groove below, the guide casting head being movably connected with the discharge end of casting cavity, and the pull casting seat being fixedly arranged at the end of guide casting head away from casting cavity.The amorphous continuous casting device provided in the utility model prevents raw material oxidation with vacuum double bin and vacuum system, and guarantees purity;Melting mechanism efficiently melts and directionally pours material, silicon carbide filter screen accurately removes impurities;Mobile groove accurately switches station, and sealing butt joint prevents pollution;Guide casting head and uniform speed pull casting seat guarantee ingot forming.

The invention relates to the technical field of porous graphite preparation, in particular to a preparation method of fiber porous graphite for semiconductor-grade silicon carbide crystal growth, which comprises the following steps: S1, carbon fiber pretreatment: selecting high-purity PAN (polyacrylonitrile)-based fibers or pitch-based fibers as raw materials, placing the long-fiber raw materials on a high-precision shearing machine, and shearing to obtain carbon fibers; the method comprises the following steps: cutting short-filament fiber bundles with the length of 30-50mm into short-filament fiber bundles, uniformly putting the cut short-filament fiber bundles into a fiber beater which is provided with a toothed claw-shaped structure rotating at a high speed, and mechanically beating the fiber bundles at the rotating speed of 1500-2000r / min by the toothed claw-shaped structure under the driving of a high-power motor, a natural pore structure formed by a carbon fiber bridge is used as a pore-forming mode of porous graphite, a pore-forming agent does not need to be added, and due to the fact that the diameter of carbon fibers is consistent, the pore size of formed pores and the proportion of the formed pores can be accurately controlled by controlling the dispersion degree of the fibers.

The utility model provides an automatic titration device for a microcalorimeter. The automatic titration device comprises a fixed shell, a plurality of micro servo motors are installed in the top end of the fixing shell, an output shaft of one micro servo motor is connected with a rotating shaft, output shafts of the other micro servo motors are connected with screw rods, and the side walls of the screw rods are in threaded connection with fixing blocks; a calibration plate and a compression rod are slidably connected to the interior of the fixing shell, the calibration plate is fixedly connected to the top end of the compression rod, and the top end of the compression rod abuts against the fixing block; a contact sensor is installed in the fixing block and abuts against the top face of the compression rod. An injector is installed in the fixing shell, and a push rod in the injector is clamped into the compression rod. The automatic titration device for the microcalorimeter, provided by the utility model, has the advantage of automatically and accurately dripping a measured substance into a solution.

The utility model relates to the technical field of hydraulic systems, in particular to an active and passive dual-mode control system of a hydraulic actuator, which comprises an oil cylinder, a hydraulic actuator, a control system and a control system, and is characterized in that the oil cylinder is provided with a rodless cavity and a rod cavity; the reversing valve is used for switching the direction of an oil way so as to control the oil cylinder to extend or retract; the first speed regulating valve and the second speed regulating valve are connected in series in an oil path of the reversing valve and are used for respectively regulating the extension speed and the retraction speed of the oil cylinder; the first balance valve and the second balance valve are connected to the first speed regulating valve and the second speed regulating valve in parallel and used for stabilizing the action of the oil cylinder under the negative load working condition; switching between an active operation mode and a passive maintenance mode can be achieved, in the active mode, the stretching and retracting speed and direction of the oil cylinder can be accurately controlled, the power output requirements under various working conditions are met, in the passive mode, the oil cylinder can be rapidly decompressed to enter a floating state, and the service life of the oil cylinder is prolonged. And maintenance, debugging and overhaul of equipment are facilitated.

This utility model discloses a brake, which is installed on the output end of a rotary drive device for braking the drive end of the rotary drive device. The brake includes: a base, a brake wheel, a cylinder, a brake mounting bracket, a clamping mechanism, a clamping transmission mechanism, and a compression spring mechanism. The cylinder extends and retracts upward, causing the clamping transmission mechanism to rotate, causing the left side of the clamping mechanism to press against the brake wheel. When the clamping transmission mechanism rotates, it causes the right side of the brake mounting bracket to rotate to the left, causing the right side of the clamping mechanism to press against the brake wheel, thus braking the brake wheel. When the right side of the brake mounting bracket rotates to the left, the frame of the brake mounting bracket presses against one side of the compression spring mechanism, causing the clamping mechanism to exert a clamping force on the brake wheel.

The utility model discloses a coal cleaning plant crusher feeding device which comprises a rack, a belt conveyor is arranged on the rack, a stock bin is fixedly arranged on the rack and located above the feeding end of the belt conveyor, and a spiral material control mechanism is fixedly arranged at an outlet in the lower end of the stock bin. Compared with the prior art, the automatic feeding device has the advantages that the discharging amount and speed of coal briquettes at the outlet of the stock bin can be accurately controlled through the spiral material control mechanism, the discharging speed of the coal briquettes at the outlet of the stock bin can be accurately controlled, and the discharging speed of the coal briquettes at the outlet of the stock bin can be accurately controlled. And the situation that the coal briquettes are distributed unevenly in the conveying process is effectively avoided. The electronic weighing mechanism monitors the weight of materials at the discharging end of the belt conveyor in real time, linkage of the PLC and the motor is combined, the running state of the belt conveyor and rotation of the material shifting plate can be adjusted according to the weight of the materials, and coal briquettes are prevented from being accumulated and blocked at the tail end of the conveyor in advance.

This invention relates to the field of chemical mechanical polishing (CMP) pad technology, specifically to a highly hydrophilic and wear-resistant CMP polishing pad, its preparation method, and its application. The invention uses cyanosiloxane monomers as raw materials, preparing highly active carboxylate silsesquioxane powder through one-step alkaline hydrolysis, and achieving nanoscale uniform dispersion of this powder in polyurethane. After pre-treating the base fabric with an acid-base oscillating impregnation agent, the nanoscale uniformly dispersed slurry is coated onto the base fabric, and then solidified to obtain the target product. This invention solves the technical problems of difficulty in balancing hydrophilicity and wear resistance, and poor polishing uniformity in existing hydrophilic modification polishing pads. The polishing pad produced is used for wafer polishing, exhibiting less than 3% intra-wafer non-uniformity, fewer surface defects, and extended service life. The process of this invention is fully compatible with existing wet production lines for polyurethane polishing pads, requiring no additional equipment. The process is simplified, batch stability is strong, and industrial mass production is possible, adapting to the high-precision, low-defect polishing requirements of advanced semiconductor processes below 14nm.