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461results about How to "No tilt" patented technology

Defect detecting method and defect detecting device

The invention provides a defect detecting method and a defect detecting device. The method comprises the steps of acquiring an image of a region of interest (ROI); setting two threshold values, performing binarization processing on the ROI image according to normal pixel points of the ROI image with the pixel value within the two threshold values and defect pixel points of the ROI image with the pixel value beyond the two threshold values, so as to obtain a binarization image; performing vertical projection and / or horizontal projection on the defect pixel points of the acquired binarization image so as to obtain projection images of the defect points; and detecting the defects from the projection images. The method can realize detection of low contrast defects.
Owner:BEIJING C&W ELECTRONICS GRP +1

Electroplating clamp for thin PCB

The invention discloses an electroplating clamp for a thin PCB. Each set of an electroplating clamp unit comprises a first clamping plate rack and a second clamping plate rack, wherein the first clamping plate rack is arranged on a flying target along horizontal positioning, the second clamping plate rack is arranged below and parallel to the first clamping plate rack, the second clamping plate rack can move up and down relative to the first clamping plate rack and realize positioning, a plurality of electroplating hangers arranged at intervals are hung on the first clamping plate rack and the second clamping plate rack, and clamping ends of the electroplating hangers on the first clamping plate rack are opposite to and cooperated with clamping ends of the electroplating hangers on the second clamping plate rack. Thus, during electroplating production of the thin PCB, upper and lower ends of the thin PCB can be fixed through the upper and lower electroplating hangers, so the thin PCB is prevented from being inclined when entering into an electroplating bath, problems of warping, tearing, lamination, nonuniform copper plating, snapping and falling of the PCB, etc. during electroplating production of the thin PCB are effectively overcome, the rejection rate of the thin PCB is substantially reduced, and quality stability is ensured.
Owner:KUSN HUAXIN CIRCUIT BOARD

Multifunctional rotating life-saving device

The invention relates to a multifunctional rotating life-saving device. The multifunctional rotating life-saving device enables people and articles which are positioned in the multifunctional rotating life-saving device to all keep in an upright state forever without being injured by seism and collision through the free rotation of a cube shell and a spherical rotating inner shell and is used in the fields of seismic resistance, collision resistance of transportation means, and the like and for manufacturing a large-size seismic-resistant life-saving rockerie, a seismic-resistant life-saving bed, a seismic-resistant life-saving table, seismic-resistant life-saving student desks and chairs, a seismic-resistant life-saving TV cabinet, a seismic-resistant life-saving safety box, a seismic-resistant life-saving anti-theft door, a vertically lifting seismic-resistant life-saving elevator, a seismic-resistant life-saving bathtub, a seismic-resistant life-saving closestool, a high-grade winerotating winebottle, an underground mine seismic-resistant life-saving system, a marine perils preventing life-saving ship, a collision-resistant life-saving automobile, a life-saving plane, an alienspacecraft, a movable combined seismic-resistant life-saving building, a multifunctional rotating seismic-resistant cabinet, a multifunctional rotating seismic-resistant filing cabinet, a multifunctional rotating seismic-resistant wardrobe, a high-seismic-resistant rotating tumbler building, and the like. The multifunctional rotating life-saving device and related products thereof are suitable for each family and unit.
Owner:邹海

Device capable of automatically adjusting coating machine scraper gap

The invention discloses a device capable of automatically adjusting coating machine scraper gap, comprising a scraper, a coating roll, a screw, a stationary inclined block, a movable inclined block and a linear guide. The device is characterized in that the device is provided with two servo motors which are respectively connected with the movable inclined blocks at two ends of the scraper by a coupler, a bearing, a screw base and the screw; two servo motors adopt the same PLC to intensively control; the stationary inclined block is also provided with a high-precision displacement transducer and is connected with the PLC; the high-precision displacement transducer collects and adjusts gap feedback information in due time and sends the gap feedback information to the PLC control center to form a closed loop control system. The invention has the beneficial effect that the device adopts the closed loop control system to adjust the height of a scraper; the minimum effective stroke for adjustment is small, so that the gap precision can be accurately controlled; the servo motor operation consistency effectively avoids the problem of inconsistent adjustment height of two ends of the scraper.
Owner:东莞市九州浩德新能源设备有限公司

Storage box for accommodating sheet mediums

The invention discloses a storage box for accommodating sheet mediums. The storage box for accommodating the sheet mediums is provided with a box body which is provided with an opening, a pressure plate which is arranged inside the box body and a self-pushing mechanism which drives the pressure plate to move towards the opening; the self-pushing mechanism is provided with a supporting frame which is connected with the pressure plate, a driving shaft which is arranged on the supporting frame, walking gears which perform synchronous movement on bilateral sides of the supporting frame and guiding racks; the driving shaft is driven by an elastic energy storage element; the guiding racks which are matched with the walking gears extend along a stacking direction of the sheet mediums; the walking gears are driven by the driving shaft. According to the storage box for accommodating the sheet mediums, the walking gears which perform synchronous movement on bilateral sides of the pressure plate are matched with the guiding racks and play roles in guiding movement of the pressure plate, so that stable movement of the pressure plate is guaranteed, inclination of the pressure plate is avoided, and movement reliability of the pressure plate is improved.
Owner:SHANDONG NEW BEIYANG INFORMATION TECH CO LTD

Novel high-pressure air charging nozzle

InactiveCN102777641AGood reverse sealingImprove reliabilityCheck valvesProduct gasHigh pressure
The invention belongs to an extrusion type servo system and in particular relates to a novel high-pressure air charging nozzle. The invention provides a novel high-pressure air charging nozzle which is specially designed for an extrusion type servo system and has good sealing performance at the reverse blocked state and can ensure that no air leaks at the nozzle after air is charged. The invention adopts the technical scheme that the novel high-pressure air charging nozzle comprises a one-way valve, a spring, a one-way valve core, a shell, a plugging cap, a protective retainer ring, an O-shaped seal ring and a circlip for a hole, wherein the shell is a hollow tubular body; the plugging cap is arranged at the right end of the shell; a one-way valve support, the spring and the one-way valve core are disposed inside the shell; and the one-way valve support is connected with the one-way valve core through the spring.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1

Hedgerow trimmer

The invention discloses a hedgerow trimmer and belongs to the technical field of trimmers. The hedgerow trimmer comprises a machine body which is provided with a walking mechanism. A rotary column positioned in a vertical plane is rotatably arranged on the machine body, a regulation seat for regulating the height position is installed on the rotary column through fasteners, an oscillating rod is fixedly arranged on the regulation seat, the axial direction of the oscillating rod is perpendicular to the axial direction of the rotary column, and a top surface trimming cutter driven by a first power device and used for trimming the top surface of a hedgerow is fixedly arranged at one end of the oscillating rod. A fixed seat is arranged at the top of the machine body, a connection sleeve positioned in a vertical plane is arranged on the fixed seat, a connection rod is fixedly arranged in the connection sleeve, and a lateral surface trimming cutter driven by a second power device and used for trimming lateral surfaces of the hedgerow is arranged at the end portion of the connection rod. By means of the hedgerow trimmer, the trimmed hedgerow top surface is flat, attractive and uniform, work efficiency is improved, and labor intensity of workers is reduced.
Owner:山东绿美生态环境工程集团有限公司

Medical gauze production instrument

The invention relates to a medical gauze production instrument. The medical gauze production instrument comprises a bottom plate. The bottom plate is sequentially provided with a winding roller, a tensioning device, a cutting device and a winding device from front to back. A gauze body is wound around the winding roller. The tensioning device comprises tensioning fixing frames symmetrically arranged on the bottom plate, and a tensioning auxiliary roller is arranged between the inner walls of the tensioning fixing frames through bearings. The medical gauze production instrument can solve the problems that in the existing medical gauze producing and processing process, a machine needs to be manually controlled to cut gauze, existing equipment needs to be utilized for winding the cut gauze, the cutting precision is hard to guarantee since the machine is manually controlled to cut the gauze, the gauze cannot be accurately cut according to the rule, resource waste is likely to be caused, the gauze is likely to incline in the moving process, the cutting accuracy is influenced, the wound gauze is prone to wrinkling due to inclination, and after the gauze is wound, existing equipment needsto be manually utilized for detaching an instrument around which the gauze is wound.
Owner:常州阿尔丰机械有限公司

Full-cutterhead lifting-type composite drilling and cutting device for soft and hard strata

InactiveCN108643839AIncreased cutting forceCutting force reductionConstructionsLiquid/gas jet drillingAutomatic controlEngineering
The invention provides a full-cutterhead lifting-type composite drilling and cutting device for soft and hard strata, and belongs to the technical field of underground engineering geotechnical drilling and cutting. The full-cutterhead lifting-type composite drilling and cutting device comprises a high-pressure mud pump mud-discharging system, a cutterhead lifting automatic control system, a watersupply system, a hydraulic pressurization system, a sensing system, a composite drilling and cutting system and a rotating shaft system. Full-cutterhead lifting-type control over drilling and cuttingforce of the drilling and cutting face is achieved, it is guaranteed that a main structure does not tilt during underground engineering drilling and cutting construction, the construction quality is guaranteed, drilling and cutting integration of the soft and hard strata is achieved, the problem that a drilling and cutting head is prone to plugging a pipe during drilling and cutting construction is solved, and the full-cutterhead lifting-type composite drilling and cutting device has the advantages of being large in flexible range of a cutterhead, uniform in drilling and cutting force, high inhole forming precision, low in cost and high in drilling and cutting speed.
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Large steel structure heel embedded part positioning device and method

The invention relates to a large steel structure heel embedded part positioning device and method. The positioning device comprises a positioning plate and connecting members, wherein the positioning plate is provided with a bolt hole, the bolt hole is matched with a pre-positioned heel embedded part bolt in structure and position, and one surface of the positioning plate is provided with at least four or more connecting members. The method comprises the steps of: firstly, binding a low layer of reinforcement bars in a large steel structure foundation; secondly, welding the connecting memberson the lower layer of reinforcement bars, determining the bottom end position of the heel embedded part bolt by using a transit and a leveling instrument, and then binding a middle layer and an upperlayer of reinforcement bars, regulating the upper end position of the bolt by using a plumb bob and the leveling instrument; and finally, fastening the heel embedded part bolt and a heel embedded part. Compared with the prior art, the invention has the beneficial effects of simple structure, convenience for installation and low cost, and ensures that a heel embedded part bolt rod does not inclineor displace in a process of poring concrete so that the heel embedded part is positioned more accurately and the engineering quality is improved.
Owner:CHINA THIRD METALLURGICAL GRP

Lifting mechanism of coating machine

The invention discloses a lifting mechanism of a coating machine. The lifting mechanism comprises a motor and a bottom plate, and is characterized by further comprising a lead screw, guide tracks, a sliding plate and a shelf. The lead screw is arranged in the middle of the front end of the bottom plate, the guide tracks are arranged on two sides of the front end of the bottom plate, the bottom of the lead screw is connected with the motor, a sliding block which is matched with the lead screw is arranged in the middle of the rear end of the sliding plate, slide grooves which are matched with the guide tracks on the corresponding sides are respectively arranged on two sides of the sliding block, and the front end of the sliding plate is connected with the shelf for accommodating products. The lifting mechanism solves problems that an existing lifting mechanism of a coating machine in the prior art is complex in structure, and is easy to slant in a product conveying process, after coating is finished, coating lubricating liquid is easy to remain on products, and the quality of the products is affected after the products are dried. The lifting mechanism is simple in structure and convenient to use, and the products can ascend and descend quickly, accurately and stably by the lifting mechanism.
Owner:昆山艾博机器人股份有限公司

Environment-friendly solar tube cleaning device

The invention discloses an environment-friendly solar tube cleaning device, and belongs to the field of energy-saving and environment-friendly cleaning equipment. The environment-friendly solar tube cleaning device is composed of a rotating device, an inner cleaning device, a first support, upper fixing devices, a spraying device, a lifting device, outer cleaning devices, a battery and a console,the lower end of the rotating device is fixed on the ground, the lower end of the inner cleaning device is fixed on the ground, the middle position of the inner cleaning device is in contact with therotating device, the lower end of the first support is fixed on the ground and covers the rotating device and the inner cleaning device, the upper fixing devices are symmetrically fixed on the two sides of the first support, the lifting device is fixed in the middle of the upper end of the first support, the two ends of the spraying device are fixed at the upper end of the first support, the lowerend of the spraying device is connected with the lifting device, and the outer cleaning devices are symmetrically fixed on the two sides of the first support. Thus, waste scale in a solar tube and dust outside the solar tube can be rapidly cleared, and the effects of being environment-friendly and pollution-free are achieved.
Owner:崔洋

Convenient and fast support frame for sewage treatment pipe

The invention discloses a convenient and fast support frame for a sewage treatment pipe. The support frame comprises a fixing box, a rotating shaft is rotationally connected to the top of the inner wall of the fixing box through a fixing support, one end of the rotating shaft penetrates the fixing box and extends to one side of the exterior of the fixing box, the end, located outside the fixing box, of the rotating shaft is fixedly connected with a rotating rod, and the bottom end of the rotating rod is rotationally connected with a rocking handle; and the end, located inside the fixing box, of the rotating shaft is fixedly connected with a first bevel gear, a second bevel gear is meshed with the bottom of the first bevel gear, a lead screw shaft is fixedly connected to the axis of the second bevel gear, and a drill is in threaded connection to the surface of the part, located outside the fixing box, of the lead screw shaft. The convenient and fast support frame relates to the technical field of hydraulic engineering equipment. According to the convenient and fast support frame for the sewage treatment pipe, the stability of the support frame is guaranteed through supporting in three directions, influences of the installing environment are avoided, pipe installing is facilitated, and the fixing effect is good.
Owner:过蕊

Semi scissor-type lift for vehicles having an improved structure

The present invention relates to a semi scissor-type lift for vehicles having an improved structure. The semi scissor-type lift includes: two vehicle mounts (10) parallel to each other; four sets of lifting units (100) of which two sets are symmetrically disposed on front and rear portions of the vehicle mounts (10) to lift the vehicle mounts (10); and four power units (200) for operating the lifting units (100). Each of the lifting units (100) includes: a main link (20) having a lower end rotatably supported in a support hole (22) by a first pin (P1) and an upper end coupled to an operating bar (40) to slidably support the vehicle mounts (10); and an auxiliary link (30) having a length less than that of the main link (20 and having an outer end rotatably connected to the outside of each of the vehicle mounts (10) by a third pin (P3) and an inner end rotatably connected to the main link (20) by a second pin (P2). A first cylinder part (210), a second cylinder part (220), a third cylinder part (230), and a fourth cylinder part (240) include first, second, third, and fourth cylinders (211, 221, 231, and 241) of which lower ends are rotatably supported on a lower portion of the main link (20) by the pin (P1 or P4) and first, second, third, and fourth pistons (212, 222, 223, and 224) of which upper ends are rotatably connected to the auxiliary link (30) by a fifth pin (P5) and which are lifted by the first, second, third, and fourth cylinders (211, 221, 231, and 241), respectively.
Owner:希实本株式会社 +1

Intelligent continuous fermentation system for solid-state Baijiu

The invention relates to an intelligent continuous fermentation system for solid-state Baijiu. The intelligent continuous fermentation system comprises a fermented-grain mild compression machine, an operation transfer vehicle, an upper cover grabbing device, a fermentation tank lifting device, an operation vehicle, a fermentation tank, a fermentation temperature control bin and a turnover discharge device. Fermented grains are fed into the fermentation tank, the fermentation tank is stopped below the fermented-grain mild compression machine, and the fermented-grain mild compression machine performs compaction by an electric-hydraulic pusher pushing down a compression panel; after the compaction, the fermentation tank is transferred to the fermentation tank lifting device through the operation vehicle and just stopped above the upper cover grabbing device in a position-limited manner, and the upper cover grabbing device stably places an upper cover on the fermentation tank through lifting and unhooking; the fermentation tank is placed into the fermentation temperature control bin, the fermentation tank is moved through the operation transfer vehicle, the fermentation tank is moved out of the temperature control bin after the fermentation, and discharging is performed through the turnover discharge device to complete the whole fermentation process. The intelligent continuous fermentation system for the solid-state Baijiu is reasonable in structure and capable of achieving mechanical brewing.
Owner:YANGZHOU XIANYE GRP

Construction equipment for building structure reinforcement

The invention relates to construction equipment for building structure reinforcement. The construction equipment comprises a bottom plate, wherein a conveying device, a gluing device, two fixing devices and a laying device are sequentially installed on the bottom plate from front to back, and the two fixing devices are symmetrically located on the left side and the right side of the bottom plate.The problems that steel plates need to be transported manually, are coated with blended glue manually and are required to be bonded on designated working surfaces manually in the existing steel-bondedbuilding reinforcement process, manual transportation of the steel plates is time-consuming and strenuous, pungent odor in the glue is harmful to human health, the steel-bonded reinforcement effect on buildings is affected due to uneven manual application of the glue, potential safety hazards exist in the process of manual operation due to complex working environment of the to-be-reinforced building working surfaces, manual vibration compaction of the bonded steel plates is complicated, and frequent movement is required and stability is poor as a result of limited working range of manual bonding of the steel plates can be solved.
Owner:中铁建设集团中南建设有限公司

Self-adapting paper money digging apparatus for paper or paper money distribution mechanism

The invention discloses a self-adaptive bill-digging device for a distributing mechanism of paper or paper money, comprising bill-digging wheel shafts and bill-conveying wheel shafts, which are arranged on guide side plates; the bill-digging wheel shafts are fixedly connected with bill-digging wheels and bill-digging rubber wheels; the bill-conveying wheel shafts are connected with bill-digging wheels by bearings; the two ends of the bill-digging wheel shafts are arranged on the guide side plates by guide bearings; offsetting springs are connected with the bill-digging wheel shafts by the guide bearings; the other ends of the offsetting springs are fixedly connected with the guide side plates; the bill-conveying wheel shafts are driving shafts which are connected with the bill-conveying wheels by the bearings, and the two sides of the driving shafts are respectively fixedly connected with a main drive pulley; and drive synchronous belts are connected with the bill-digging wheels and the main drive pulleys. The device has self-adaptive bill-digging function. Two bill-digging wheels can float up and down, under the function of oscillating bearings, the two bill-digging wheels can swing to the left and to the right; and simultaneously, due to the function of the drive synchronous belts, the two bill-digging wheels also can realize micro different speed and ensure that paper or the paper money can not be inclined when entering into a transmission channel.
Owner:EASTERN COMM +1

Horn basin frame for improving voice coil concentricity and manufacture method for horn

The invention discloses a horn basin frame for improving voice coil concentricity and a manufacture method for the horn. The horn basin frame comprises an inner ring, an outer ring and a skeleton which is connected between the inner ring and the outer ring in an overlapping mode. A through hole is formed in the center of the inner ring. A circular locating ring is arranged inside the through hole. The locating ring and the inner ring are arranged in a concentric mode. An interval is kept between the locating ring and the wall face of the inner ring. The locating ring is connected to the inner ring through a connecting part. The manufacture method for the horn comprises the steps of selecting and using the basin frame, when the horn is assembled, pasting a voice coil and drum paper, locating the voice coil, removing the locating ring in a cutting mode, and installing a magnetic assembly. After a combined body of the drum paper and the voice coil is firmly pasted with the basin frame, the locating ring connected with the basin frame is removed in the cutting mode. According to the locating ring, location of the voice coil is rapidly and accurately achieved, the concentricity among various elements of a product is greatly improved, and therefore acoustic and yield of the product are improved.
Owner:东星电声科技(东莞)有限公司

Folding type transversely-moving electric stair climbing wheelchair

The invention relates to a folding type transversely-moving electric stair climbing wheelchair. The folding type transversely-moving electric stair climbing wheelchair comprises stair climbing control handles, a seat frame, a backrest frame, armrests, a pedal, a stair climbing motor, front legs and rear legs, and is characterized in that walking push handles are arranged on the backrest frame; the stair climbing control handles are arranged at the front end of the seat frame; the rear legs can rise and fall; front stair climbing wheels, rear stair climbing wheels and antiskid positioning legs are arranged at the bottom of the seat frame; stair climbing legs are arranged on the two sides of the seat frame and are each composed of a horizontal rod, a fixed vertical leg and a length-adjustable vertical leg; a main shaft and an auxiliary shaft are arranged on the seat frame, the main shaft is connected with the stair climbing motor, the two ends of the main shaft are connected with one end of a main shaft crank, the two ends of the auxiliary shaft are connected with one end of an auxiliary shaft crank, the other end of the main shaft crank is connected with a horizontal rod, and the other end of the auxiliary shaft crank is connected with the horizontal rod; in the unfolded state, the backrest frame leans backwards in a flat and straight mode, the stair climbing control handles lean upwards towards the front, a headrest is arranged on the upper portion of the backrest frame, and the armrests and the pedal are horizontally arranged; in the folded state, the headrest is detached, the backrest frame is turned backwards to be vertical, the stair climbing control handles are turned backwards to be horizontal, the armrests are turned backwards to be in the same plane as the backrest frame, and the pedal is turned backwards to be vertical.
Owner:王宝金

Stock-supporting conveying device in copper-aluminum composite row casting system

The invention discloses a stock-supporting conveying device in a copper-aluminum composite row casting system. A moving base slides forwards on a machine base along the axial direction of a driving roller when the copper-aluminum composite row is needed to be supported, a driving structure drives a connecting part to rotate upwards, a supporting plate is ascended, so as to support the copper-aluminum composite row, and then, the moving base slides backwards for resetting, the supporting plate is descended, the copper-aluminum composite row is arranged on a plurality of driving rollers for conveying; in the lifting process of the copper-aluminum composite row, a first chain wheel fixed on a fixing part and a second chain wheel fixed on the supporting plate are driven by a chain, so as to ensure the part of the supporting plate for supporting the copper-aluminum composite row to be inclined in the ascending and descending process and lead the supporting plate to support the copper-aluminum composite row stably; and the stock-supporting conveying device realizes automatic stock supporting and automatic conveying, the production efficiency is improved by automatic operation, and the labor intensity of workers is reduced.
Owner:SUZHOU ZHONGMENZI TECH

Wheelchair adapted to staircases

The invention concerns a wheelchair (1) comprising: a chassis (2) supporting a seat; two rear wheels (4) of large diameter, mobile relative to the chassis between a low position for normal use and a raised position for climbing a staircase, an auxiliary drive mechanism for climbing a staircase.
Owner:埃龙科技公司

Combination duct aircraft, flight control system and method thereof

The invention relates to a combination duct aircraft. The combination duct aircraft consists of a combination duct central body and an even number of fan-shaped single duct flying bodies; a flight control system is arranged in the combination duct central body; the fan-shaped single duct flying bodies are detachably, symmetrically and uniformly arranged on the outer side of the combination duct central body to form an annular combination duct aircraft together. The combination duct aircraft is formed by assembling in a detachable manner; the number of the single duct flying bodies can be regulated according to a requirement so as to meet the requirements of different load and different purposes; meanwhile, the combination duct aircraft is simple in structure and convenient to load and unload; the single duct flying bodies and the combination duct central body form a circular main body structure, so that air resistance and noises can be reduced; the flight is safe and stable; the control is precise; the reactive torque balance is realized by adopting a reactive torque grid fin of a brand new structure, so that the balance is quick and accurate; the energy consumption required for the balance is reduced; the requirements of vertical take-off and landing and stable flight of the aircraft are met.
Owner:四川特飞科技股份有限公司

Device and method for turning main equipment automatically through nuclear island ring crane

The invention discloses a device and method for turning main equipment automatically through a nuclear island ring crane. A trolley of the device is provided with a laser range finder used for detecting the traveling distance of the trolley. A laser reflecting plate corresponding to the laser range finder is arranged at the end of a ring crane portal frame. A hoisting distance sensor used for detecting the hoisting distance of the upper end of the main equipment is arranged on a hoisting mechanism. The device further comprises a hoisting control device and a controller. The hoisting control device is used for controlling the hoisting speed of the hoisting mechanism. The controller is used for controlling the traveling speed of the trolley according to the hoisting speed, the hoisting distance, the traveling distance and the length data of the main equipment in the main equipment turning process, so that the direction of a hoisting rope is kept identical to that of the gravity of the main equipment in the main equipment turning process. The method is used for turning the main equipment automatically through the device. Compared with the prior art, the hoisting rope is prevented from inclining when the main equipment is hoisted, and safety risks are effectively reduced.
Owner:中广核工程有限公司 +1

Method of forming 3D NAND memory

The invention provides a method of forming a 3D NAND memory, and the method comprises the steps: etching a stacking structure to form a plurality of grid separation grooves penetrating through the stacking structure, and then forming filling layers in the grid separation grooves, wherein the grid separation grooves are filled with the filling layers; after the filling layer is formed, etching the stacking structures at the two sides of the gate isolation grooves to form a plurality of channel through holes penetrating through the stacking structures; forming a storage structure in the channel through hole; after the storage structure is formed, removing the filling layer, and exposing the gate isolation groove; removing a sacrificial layer, and correspondingly forming a control gate at a position where the sacrificial layer is removed; and forming an array common source in the gate isolation groove. In the invention, because the step of forming the gate isolation groove is executed before the step of forming the channel through hole and the step of forming the storage structure in the channel through hole, the gate isolation grooves do not incline, thereby preventing the gate isolation grooves and the channel through hole from being short-circuited.
Owner:YANGTZE MEMORY TECH CO LTD

Nut distribution device

ActiveCN104229452ANo tiltAvoid counterfeitsConveyor partsIndustrial engineering
The invention discloses a nut distribution device. The nut distribution device comprises a vibration plate which is provided with a discharge opening in one side and internally placed with nuts to be distributed, a first distribution block provided with a feed chute and a blanking opening in one side, a first clamping block provided with a first clamping portion, a second distribution block provided with a spring hole and a guide column hole which are communicated with each other, a second clamping block which is provided with a second clamping portion matched with the first clamping portion for clamping the nuts and a guide column on one side, a spring, a third distribution block, a feed collection tube, a mismatch cylinder provided with a push rod at one end, and a pressing cylinder which is arranged above the third distribution block and provided with an ejection pin. By means of the nut distribution device, the nuts are clamped between the first clamping portion and the second clamping portion to be free from inclination, so that the phenomenon of nut reverse and blocking can be avoided.
Owner:MITAC PRECISION TECH(KUNSHAN) CORP

Fixture for testing tensile mechanical properties of non-metallic material at 500K-4.2K

The invention relates to a fixture for testing tensile mechanical properties of a non-metallic material at 500K-4.2K. The fixture is composed of an upper chuck and a lower chuck that have a same shape and structure and are positioned oppositely. A conical through-groove that runs through the front surface, the back surface and the bottom simultaneously and has a wide top and a narrow bottom is disposed at the center of the middle-lower part on the front surface of each chuck main body respectively. Tooth elements with opposite teeth are mounted on the left side and right side of the through-groove respectively. An upper threaded through-hole is disposed at the center of the main body's upper end face. A lower threaded rod of a bearing rod is in threaded connection with the threaded through-hole. The bearing rod is equipped with a horizontal through-hole running through the left end face and the right end face. A frame shaped reinforcing groove is fixed at the lower part of the main body as a sheath, the lower end face of the frame shaped reinforcing groove and the bottom surface of the main body are flush. A cuboid through-groove running through the front surface, the back surface and the bottom simultaneously is disposed at the center of the middle-lower part on the front surface of an adapter. The left end face and the right end face of the adapter are respectively provided with a horizontal through-hole. A pin rod penetrates the horizontal through-holes to make the upper cuboid of the bearing rod fixed in the through-groove of the adapter. The fixture has the advantages of convenient installation and accurate orientation, and under low temperature, a specimen and the fixture cannot slip.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Chip picking device

The invention relates to a chip picking device, and provides a chip picking device which is simple in structure and convenient to use, and improves work efficiency. The chip picking device comprises a fixed crystal arm, a following arm, a rotary shaft, a stretched frame and a stretched frame support, wherein the head of the fixed crystal arm is provided with a suction nozzle, the head of the following arm is provided with a thimble, the tail portion of the fixed crystal arm is connected with the tail portion of the following arm through the rotary shaft, the fixed crystal is placed above the following arm, a blue film used for placement of chips is placed on the stretching frame in a stretching mode, and the stretching frame is arranged on the stretching frame support and located between the suction nozzle and the thimble. According to the chip picking device, chips are picked to a graphite boat one by one through a swing arm type device, work efficiency is improved, the thimble and the suction nozzle are arranged in a coaxial mode in work, and the fact that the chips can no be inclined during a rising process is guaranteed. The chip picking device not only improves work efficiency, but also guarantees quality of material and is wide in applicability.
Owner:YANGZHOU YANGJIE ELECTRONIC TECH CO LTD

Forming device of rapid heating and cooling separation type continuous carbon fiber thermoplastic U-shaped part and process

The invention provides a forming device of rapid heating and cooling separation type continuous carbon fiber thermoplastic U-shaped part. The forming device comprises an upper driving mechanism, a lower driving mechanism, a vertical guide mechanism, an upper base, an upper mold, a lower mold and a lower base, wherein the upper base, the upper mold, the lower mold and the lower base are sequentially arranged from top to bottom; a lower heating plate is arranged at the top of the lower base, a cooling mechanism is embedded in each of the upper mold and the lower mold, the upper driving mechanismdrives the upper mold to ascend and descend along the vertical guide mechanism, the lower mold is installed on the vertical guide mechanism and can ascend and descend along the vertical guide mechanism, and the vertical guide mechanism is provided with a lowest limiting mechanism corresponding to the lower mold; and the lower driving mechanism drives the lower base to ascend and descend along thevertical guide mechanism. The invention further provides a forming process of the continuous carbon fiber thermoplastic U-shaped part. The forming device of the rapid heating and cooling separation type continuous carbon fiber thermoplastic U-shaped part and the process have the advantages of being scientific in design, high in production efficiency, low in energy consumption, good in product quality, economical and applicable.
Owner:ZHENGZHOU UNIV +1

Currency note pressing device of automatic teller machine (ATM) currency note sending channel

The invention discloses a currency note pressing device of an automatic teller machine (ATM) currency note sending channel. The currency note pressing device comprises a left lateral board and a right lateral board. The currency note pressing device comprises a left currency note pressing board device and a right currency note pressing board device. The currency note pressing board device comprises a front currency note board and a rear currency note board, a currency note pressing flat belt, a front belt axle and a rear belt axle. The front currency note pressing board is fixed with the currency note board axle through a driving gear, the rear currency pressing board is fixed with the currency note pressing board gear axle through a driven gear. The driving gear and the driven gear are mutually meshed. Both ends of the currency note board axle and the currency note pressing board gear axle are respectively connected with the left lateral board and the right lateral board. The other ends of the front currency note board and the rear currency note board are respectively fixed with the front belt axle and the rear belt axle, the currency note flat belt encircles the front belt axle and the rear belt axle. The currency note board axle and the currency note pressing board gear axle are in a tensioning state. The currency note pressing device of the ATM currency note sending channel has a simple structure, a relatively low cost and spring shrapnel is unnecessary to additionally add.
Owner:CASHWAY FINTECH CO LTD
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