169results about How to "High transfer accuracy" patented technology

The invention discloses a carton filling and stacking all-in-one machine. The carton filling and stacking all-in-one machine is characterized by comprising a carton conveying line and a storage device, wherein the head portion of the carton conveying line is connected with one side of a carton alignment device; the storage device is connected with one side of a carton filling station through an unpacking forming mechanism; the other side of the carton filling station is connected with one side of a carton strutting device; the other side of the carton alignment device is provided with a robot body; the robot body is provided with a carton filling and stacking grasp structure; a carton clamping and conveying device is arranged on the other side of the carton strutting device and connected with a carton sealing device; a carton labeling station is arranged on one side of the carton sealing device; a first tray and a second tray are arranged on one side of the carton labeling station. The functions of existing single machines are completely integrated on one machine, stations are linked tightly, the structure is compact, and operation is easy. The carton filling and stacking all-in-one machine is suitable for various specifications, stable in performance, high in efficiency and capable of greatly reducing labor cost.

The invention relates to a portable multifunctional vacuum calibration system and a method, belonging to the field of measurement technologies. The calibration system comprises a mechanical pump 1, a molecular pump 2, a first vacuum valve 3, a second vacuum valve 4, a third vacuum valve 8, a fourth vacuum valve 10, a fifth vacuum valve 11, a sixth vacuum valve 17, a seventh vacuum valve 19, an eighth vacuum valve 23, a ninth vacuum valve 15, a calibration chamber 5, a quadrupole mass spectrometer 6, a first small hole 9, a second small hole 20, a fine-adjustment valve 12, a gas source 13, a first vacuum gauge 14, a second vacuum gauge 18, a third vacuum gauge 21, a fifth vacuum gauge 24 and a pressure-stabilizing chamber 16; and the method comprises a vacuum leak calibration method and a vacuum gauge calibration method. According to the system, the vacuum gauges and a gas micro-flow calibration function are combined, and the vacuum gauges, vacuum leaks, leak detectors and gas micro-flowmeters can be calibrated in an on-site or on-line manner, so that the system has the characteristics of multifunction, high accuracy, little weight, small volume, portability and the like.

The invention relates to an on-line double-sided automatic thickness measuring device of organic glass, which mainly comprises a control system, a machine frame, a support frame, a detection frame, a cross beam, a cross beam regulator, a feeding distance measuring device and a plurality of thickness measuring devices, wherein the upper end of the machine frame is fixedly connected with the detection frame, the cross beam is connected onto the upper edge frame of the detection frame through the cross beam regulator, the inside of the detection frame is fixedly connected with the support frame, a plurality of support guide shafts are arranged on the support frame, a feeding speed measuring device is arranged at one end of any support guide shaft for measuring the feeding distance of an organic glass plate, the thickness measuring device comprises upper thickness measuring units and lower thickness measuring units, and a plurality of upper thickness measuring units and lower thickness measuring units are respectively and symmetrically arranged on the cross beam and the detection frame for detecting the thickness information of the front side and the back side of multi-point positions of the organic glass plate. Because the control system is used for processing and calculating the position information of entity space three-dimensional lattices of the organic glass in real time for confirming the dimension quality of the plates, the on-line double-sided automatic thickness measuring device has the advantage of simple and compact structure, and can be directly arranged at a production line for real-time measurement.

A time-frequency standard signal fusion transmission system and transmission method are provided. The system compensates the phase noise of optical frequency signal, radio frequency signal and time signal when they are transmitted in the optical fiber link through the compensation module 1, the compensation module 2 and the communication signal transmitter of the local terminal, and sends the calculated link delay to the remote terminal together with the communication data. Through the optical frequency and RF reference signal output module at the remote end, The time signal output module andthe communication signal receiver, the spectrum purification of the optical frequency standard signal, the spectrum purification of the radio frequency standard signal and the time delay calibration of the time signal are realized, so that the user can simultaneously obtain the high-quality optical frequency standard signal, the radio frequency standard signal, the time signal and the communication data signal. The technical scheme of the invention solves the problems of mutual crosstalk and low detection signal-to-noise ratio when a plurality of signals are simultaneously transmitted, and greatly improves the transmission distance and transmission accuracy of the transmission of the plurality of standard signals.

The invention aims at providing an oil-drive direct-driven multi-rotor-wing agricultural plant protection unmanned aerial vehicle which can greatly prolong the runtime, is high in structural stability and anti-shock capacity and can increase the load capacity. According to the adopted technical solution, the oil-drive direct-driven multi-rotor-wing agricultural plant protection unmanned aerial vehicle comprises a machine frame, avionics, a power mechanism and a spraying mechanism; the machine frame comprises a supporting beam, an upper central plate, a lower central plate, machine arms and pull rods; the upper central plate and the lower central plate are fixedly connected to the supporting beam; the six machine arms are fixed between the upper central plate and the lower central plate in a crossed mode in the regular hexagon diagonal direction; a reinforced umbrella-shaped structure formed by the pull rods is arranged between the machine arms and the supporting beam; each power unit comprises an engine fixed to an engine base, a steering engine fixed to the bottom of the engine, and a propeller connected to an output shaft of the engine; the power mechanism of an oil-drive direct-driven structure; and the output shafts of the engines are directly connected with the propellers.

The invention discloses an automatic compensation device and method of delay variation in optical fiber time transmission. A time difference measurement module and a delay compensation module are arranged in a transmitting end; the time difference measurement module is used for receiving a standard time signal sent by the transmitting end and a time signal returned by the transmitting end and outputting a time difference between the two time signals; the delay compensation module is used for obtaining a delay compensation value according to the time difference obtained by the time difference measurement module and compensating the standard time signal sent by the transmitting end; a round-trip delay difference value of two-way different-wavelength signal transmission in the same preset optical fiber link is obtained by the calculation of the time difference measurement module; the delay compensation value is obtained by the calculation of the obtained round-trip delay difference value;and the standard time signal is automatically compensated by the delay compensation module according to the obtained delay compensation value. The automatic compensation device disclosed by the invention can automatically compensate the delay deviation of a two-way time signal when being transmitted in the optical fiber link, and can improve the optical fiber transmission time precision.

The invention discloses water transfer printing paper and a preparation method thereof. The water transfer printing paper comprises a hydrosol layer, a film-forming adhesive layer, carrier backing paper and an opposite colloid layer sequentially from top to bottom, wherein the opposite colloid layer is a starch layer; the film-forming adhesive layer comprises an activity colloid layer and a white colloid layer sequentially from top to bottom; the activity colloid layer is obtained by coating and drying a mixed aqueous solution of a brightening agent and the starch; the mass fractions of the brightening agent and the starch are respectively 0.5%-1% and 35%-45%; and the white colloid layer is a starch layer. The hydrosol layer is obtained by coating and drying a mixed aqueous solution of kaolin, a butylbenzene emulsion, a dispersing agent and polyvinyl alcohol; and the mass fractions of the kaolin, the butylbenzene emulsion, the dispersing agent and the polyvinyl alcohol are respectively 40%-50%, 10%-15%, 1%-3% and 3%-5%. The water transfer printing paper disclosed by the invention has the advantages of a smooth and flat surface, rational thickness of coated glue layers, higher de-molding speed, uniform water absorbability, and uniform and smooth glue surface.

The present invention provides a mold, mold temperature regulation method, mold temperature regulation device, injection molding method, injection molding machine, and thermoplastic resin sheet, the mold made of by certain material can enhance the transferability of the surface of a molded product and can allow the molded product to be taken out immediately after the solidification, whereby molding cycle can be accelerated. In the mold, both a stationary side mold and a movable side mold are mounted within masters, and a cavity face is formed on a release side. A plurality of heating medium passages are bored at a position distant by a given distance from the cavity face. The mold comprises a 15 to 30 mm-thick rectangular bushes formed of a metal having a coefficient of thermal conductivity of 20 to 40 W/(m K), heat insulating plates having a coefficient of thermal conductivity of not more than 5 W/(m K) and held between the masters and the bushes, a pair of heating medium manifolds (mounted on both ends of the anticavity face of the bushes so as to be led to the heating medium passages of the bushes, and a plurality of pressing members for pressing four edges of the bushes to fix the bushes to the masters.

Disclosed is a resin molding apparatus capable of enhancing transfer accuracy, reducing the cost of a molding apparatus, and shortening a molding cycle. The resin molding apparatus includes a first mold; a second mold disposed in opposition to the first mold; a transfer plate (34) attached to one of the first and second molds and comprising a transfer surface bearing a pattern of pits and projections and oriented toward a cavity (C1, C2); and a thermal insulation layer (40) disposed between the transfer plate (34) and the one of the first and second molds and formed through growth from the transfer plate (34) side or from the one of the first and second mold sides. Being disposed between the transfer plate (34) and the one of the first and second molds, the thermal insulation layer (40) can restrain dissipation of thermal energy of a molding material toward the mold. This can restrain formation of a skin layer, which would otherwise result from a sharp drop in temperature of the molding material, whereby transfer accuracy can be enhanced.

The invention relates to a thin and long part assembling method. The thin and long part assembling method comprises the following steps of 1 forming position measuring holes TB4, TB5 and TB6 of a sample plate, 2 drilling three holes in a frame and using the three holes as reference holes TB1, TB2 and TB3 for establishing a reference coordinate system, 3 arranging tool balls on the holes TB1, TB2, TB3, TB4, TB5 and TB6, 4 actually measuring values of the tool balls to obtain the positions of the holes TB1, TB2 and TB3, utilizing laser tracker software to perform fitting on theoretical tool ball values and actually-measured values to obtain tool balls TB1, TB2 and TB3 and establishing a three-dimensional coordinate system with the tool balls TB1, TB2 and TB3 as references, 5 reading the actual positions of the measuring holes TB4, TB5 and TB6 through the tool balls and comparing the actual positions with theoretical positions after the coordinate system is established, adjusting the assembling position of the sample plate according to obtained difference values and finally meeting the assembling accuracy requirement. By means of the thin and long part assembling method, assembling accuracy can be improved, an assembling period can be shortened, manpower is decreased, and accordingly company's benefit is improved.

The invention discloses a four-axis mechanical arm. The four-axis mechanical arm comprises a control system cabinet, a J1 axis fixed base, a J2 axis base, a J3 axis base and a J4 axis telescopic arm. Motors for forming motion of the four-axis mechanical arm are all AC servo motors, and therefore the motion speed is high. A harmonic reducer is adopted at the key position, a lead screw and nut mechanism and a pinion and rack mechanism are adopted, and therefore working noise is lowered to a large degree, and motion accuracy is improved; meanwhile, motion parameters of the four-axis mechanical arm are reasonable, and the mechanical arm has good universality.

The invention discloses a scanning galvanometer system and relates to a scanning galvanometer assembly used for a laser medicine operation or a laser cosmetic surgery, and aims to provide the scanning galvanometer system which is simple in structure, convenient for assembly, and high in precision. The scanning galvanometer system comprises a bracket, a focus fixing frame, an X-scanning motor, a Y-scanning motor, a 45-degree reflector, and a light inlet sleeve, wherein an X-scanning motor hole and a light inlet sleeve hole are formed in the upper end of the bracket, a Y-scanning motor hole is formed in the right end of the bracket, a focus fixing frame hole is formed in the lower end of the bracket, the X-scanning motor, the Y-scanning motor, the focus fixing frame and the light inlet sleeve are respectively correspondingly mounted in corresponding bracket holes, the X-scanning motor comprises an X-lens, the X-lens is fixedly connected with a shaft of the X-scanning motor, the Y-scanning motor comprises a Y-lens, the Y-lens is fixedly connected with a shaft of the Y-scanning motor, and two mounting modes of the reflector are provided.

The invention relates to a precision reference transfer method. The method includes the following steps that: S1, a transmission path connecting the inside and outside of an spacecraft cabin is obtained according to the design scheme of the spacecraft cabin; S2, a reference transfer structure for transferring a first precision reference is designed according to the first precision reference in thespacecraft cabin and the transmission path; and S3, an accurate measurement optical path is built on the first precision reference, the reference transfer structure, and the spacecraft cabin on the basis of the transmission path. With the method of the invention adopted, the first precision reference can be directly transferred to a position where the accurate measurement optical path of cubic mirrors of a side wall can arrive; the first precision reference and a structure reference outside the cabin can be directly made to perform relative relationship accurate measurement under a state thatthe side wall and large bottom of the spacecraft cabin are closed, and therefore, the accuracy of accurate measurement results can be ensured, and error accumulation in an indirect measurement mode can be avoided.

The invention discloses an accurate orbit transfer method for asteroid detection based on a sun-earth rotating coordinate system, and belongs to the technical field of aerospace. An implementation method comprises the following steps: searching an optimal interstellar transfer opportunity by using a contour map; establishing the sun-earth rotating coordinate system, and converting the optimal transfer opportunity to the rotating coordinate system; correcting an orbit under the rotating system through a second-order differential correction algorithm on the basis of an elliptic restrictive three-body kinetic equation by considering the starting height constraint of the earth; and converting the transfer orbit into an inertial system, completing design of the accurate transfer orbit for asteroid detection, obtaining an accurate earth-asteroid transfer orbit in the geocentric inertial system, and carrying out orbit transfer according to the accurate earth-asteroid transfer orbit. Thus, a detector can realize orbit transfer from the earth to the target asteroid precisely and effectively. The earth escape orbit and the heliocentric transfer orbit are considered at the same time, conicalorbit splicing is not needed, and the orbit design precision can be improved.

The invention provides a mass transfer device and a mass transfer method. The mass transfer device comprises a first bearing platform; a second bearing platform which bears a target substrate and is opposite to the first bearing platform; a roller which is arranged between the first bearing platform and the second bearing platform, wherein a rotating shaft of the roller is parallel to the bearingsurface of the first bearing platform, a plurality of groups of pickup units are arranged on the outer peripheral surface of the roller at intervals in the circumferential direction, each group of pickup units comprises a plurality of pickup points which are arranged at intervals in the axial direction of the roller, and the distance between every two adjacent pickup points in the same group of pickup units in the axial direction of the roller is greater than the distance between the micro elements on the first bearing table. The first bearing platform translates in a first direction relativeto the roller, wherein the first direction is the rotating tangent direction of the roller at the contact point of the peripheral surface of the roller and the first bearing surface; the second bearing platform translates in the direction opposite to the first direction relative to the roller. According to the invention, the mass transfer working efficiency of the micro-elements is improved, the transfer alignment precision is high, and the product yield is high.

An XYZ three-freedom-degree precise positioning device comprises an XY motion base and a Z axis motion module; the Z axis motion module is mounted on the XY motion base, and the XY motion base comprises a base plate; displacement devices and a motion platform are arranged on the base plate, two displacement devices are located on the X axis and the Y axis correspondingly, and are flexible mechanisms with piezoelectric ceramics, and each displacement device comprises a left lever, a right lever, an input end mounting block and an output end mounting block, first containing grooves are formed in the base plate, the displacement devices are mounted in the first containing grooves, the lower ends of the left levers and the lower ends of the right levers are hinged to the lower groove walls of the first containing grooves through hinges, the input end mounting blocks are hinged to the lower portions of the right sides of the left levers and the lower portions of the left sides of the right levers through hinges, the output end mounting blocks are hinged to the upper portions of the right sides of the left levers and the upper portions of the left sides of the right levers through straight beam type flexible hinges, and the output end mounting blocks are mounted on the motion platform through the straight beam type flexible hinges.

The invention relates to a novel underwater numerical control nozzle. The novel underwater numerical control nozzle comprises a motor, wherein the motor is fixedly connected with a planet gear speed reducer; an output end of the planet gear speed reducer is connected with a first input end of a connecting disc; an output end of the connecting disc is connected with a first port of a three-way joint; a transmission shaft is inserted in the three-way joint; and an output end of the transmission shaft is fixedly connected to the center of a water passing support ring, and an input end is connected with an output shaft of the planet gear speed reducer through a coupling. A first port of the three-way joint and the transmission shaft realize sealing connection through a rubber sealing ring and a skeleton sealing ring. A waterproof sealing cover is arranged outside the planet gear speed reducer. The transmission shaft is axially positioned through a bearing and a hoop. The novel underwater numerical control nozzle is high in transmission efficiency, small in equipment volume, low in cost, excellent in waterproof sealing performance and widely applied to various fountain devices.

The invention discloses a motherboard of a holographic concave blazed grating and a manufacturing method of the motherboard. The manufacturing method comprises the steps that (1) a holographic concave grating mask is manufactured; (2) a metal layer is deposited on the holographic concave grating mask; (3) the meal layer is coated with an adhesion agent; (4) the metal layer connected with a male die is separated from the holographic concave grating mask and cleaned, and a convex metal grating mask is obtained; (5) a grating tooth structure of the convex metal grating mask is measured, and grating tooth duty ratio information is obtained, and the duty ratio of grating teeth is adjusted through an electroforming or film coating method and a chemical etching or ion etching method; (6) the convex metal grating mask is etched through ion beams to be converted into a triangular blazed structure, and the motherboard of the holographic concave blazed grating is obtained. According to the motherboard of the holographic concave blazed grating and the manufacturing method of the motherboard, the concave grating mask structure is transferred to the convex metal layer, the metal layer is good in flexibility, the transfer precision of the grating groove type structure is high, cracking and deformation are not prone to occurrence, and durability is good.

An organic material transfer printing method in an organic light-emitting display is disclosed. The method includes following steps of: 1) positioning a substrate on a fixed platform; 2) tightly attaching a film mask onto the substrate and positioning the film mask on the fixed platform; 3) evenly arranging a liquid organic material onto the wheel surface of an idler wheel; 4) subjecting the organic material to transfer printing onto the substrate by rotation and movement of the idler wheel; 5) removing water in the organic material subjected to transfer printing on the substrate to turn the organic material into a solid state; and 6) when a monochromatic device structure is produced, repeating the step 3) to the step 5) so that the organic material is subjected to transfer printing on the substrate layer by layer; and when a multicolor or color device structure is produced, changing the film mask according to an organic material to be subjected to transfer printing and subjecting the organic material to transfer printing to the substrate layer by layer. The film mask used in the method can improve processing precision of the organic light-emitting display. When being used for production of large-size OLED screens and large-size substrates, the method can ensure OLED screens to be free of abnormity and ensure product quality.

The invention relates to a method for connecting a worm wheel of an electric cylinder and a feed screw nut through shrinkage fit in the technical field of mechanical engineering. The method adopts shrinkage fit for connection; the worm wheel in the electric cylinder is directly and fixedly connected with the feed screw nut: step one, a copper worm wheel is put into a resistance furnace, and the temperature of the resistance furnace is set to between 190 and 210 DEG C; step two, a temperature measuring sensor is put on the copper worm wheel for measuring the temperature of the copper worm wheel, and when the temperature of the copper worm wheel rises between 190 and 210 DEG C, the the inside diameter of a copper worm wheel hole is expanded to reach requirement of shrinkage fit; step three, the worm wheel is sleeved with the feed screw nut, and in the sleeve process, the clearance amount between the feed screw nut and the worm wheel is kept even; and step four, when the worm wheel enters a setting position, the power supply of the resistance furnace is closed so as to cool and position the worm wheel and the feed screw nut. Compared with the prior bond connection and bolt connection, the shrinkage fit connection can improve transferring precision of the electric cylinder, save materials, reduce the machining procedures, increase the transferred torsion and improve performance of the electric cylinder.

The invention provides a display panel, a manufacturing method thereof and a display device, and relates to the technical field of display. The method is high in production efficiency and high in transfer precision. The method comprises the following steps of forming a first substrate; the first substrate comprising a driving module; forming a plurality of second substrates; the second substrate comprising a switch module, and the driving module being electrically connected with the switch module; forming a plurality of light emitting units arranged in an array on the second substrate; the light-emitting unit being electrically connected with the switch module; the driving module being configured to provide a driving signal to the switch module; the switch module being configured to control the light-emitting unit to emit light according to the driving signal; transferring a plurality of second substrates to the first substrate; the multiple second substrates being spliced, and the light-emitting units being located on the sides, away from the first substrate, of the second substrates. The manufacturing method is suitable for manufacturing the display panel.