60results about How to "Guaranteed to fall off" patented technology

The invention discloses a preparation method of a negative ion health-care fabric. The preparation method specifically comprises the following steps: S1, measuring and washing materials, S2, forming yarns, S3, preparing a negative ion immersion material, S4, manufacturing negative ion yarns, and S5, carrying out weaving and blending. The invention relates to the technical field of textile materialprocessing. According to the preparation method of the negative ion health-care fabric, negative ion treatment can be carried out on the weaving yarns before fabric forming, the surfaces of the treated yarns are coated with protective coatings, so that the yarns in the fabric are fully combined with negative ion treatment liquid, the purposes that by coating the protective coatings, negative ionsubstance on the surfaces of the yarns does not fall off during the weaving process, and meanwhile, the protective capability of the woven fabric is promoted are well achieved, therefore, the health-care effect of the fabric is guaranteed, the duration of the health-care effect of the negative ion fabric is greatly prolonged, and finally, people can use the negative ion fabric for health care conveniently.

The invention provides a chip packaging preprocessing method and a chip analysis method, and belongs to the technical field of integrated circuits. The preprocessing method comprises the following steps of detecting the projection areas of different bare dies on the surface of the multi-chip package; protecting the multi-chip package outside the surface projection area of the bare chip to be removed; corroding the multi-chip package; and stripping the bare die to be removed to obtain an exposed target bare die. The methods are used for FIB pretreatment.

The invention belongs to the technical field of multi-rotor unmanned aerial vehicles, and discloses a battery throwing device and method for prolonging the airtime of an electric multi-rotor, and an unmanned aerial vehicle. The battery throwing method includes the steps that batteries carried on vehicle arms are firstly used during flight; through voltage detection, the batteries of the vehicle arms drop to an average of 3.7 V per layer, and a throwing mechanism is controlled through steering engines; the batteries of the vehicle arms are dropped; and a battery of a vehicle body is then used for continue flight. According to the battery throwing device and method for prolonging the airtime of the electric multi-rotor, and the unmanned aerial vehicle, in order to ensure that the batteries can be safely and synchronously separated from the vehicle arms of the electric unmanned aerial vehicle, the mechanical action needs to be done when the throwing mechanism is opened, the payload is interfered to prevent the batteries from falling, and the electric unmanned aerial vehicle throws the batteries through a hovering mode; after the throwing mechanism is opened, the yaw is rapidly rotatedat an angle by the unmanned aerial vehicle at the same time, and the batteries are thrown off; and it can be ensured that the batteries on the vehicle arms can fall off, the synchroneity of falling off can be ensured, and the attitude of the electric multi-rotor is maintained.

The drone booster drop-off device consists of a support, a torsion spring, a pin shaft, a rocker arm, and a slide. The support is connected to the drone body, and the slide is connected to the booster through an iron wire. One of the torsion springs The moment arm is fixed on the support, and the other moment arm is fixed on the rocking arm, and the inner diameter of bearing pin passing torsion spring is connected together by support, torsion spring, rocking arm. The invention can meet the requirements of high strength, good rigidity and light weight of airborne equipment, and can not only ensure the smooth detachment of the booster when the aircraft is in level flight, but also ensure the normal detachment of the aircraft when the angle of attack is 30°.

The invention relates to the technical field of machining, and discloses a tool changing and locking structure and an automatic machine tool. The tool changing and locking structure is used for locking tools in a tool storeroom when the tools are released by a main shaft; the tool storeroom comprises a base; the base is provided with multiple tool locations which are used for enabling the tools to vertically insert and place. The tool changing and locking structure comprises clamping parts which are arranged at the middle parts of the tools, a tool locking plate which is arranged above the base and can horizontally slide relative to the base, and a tool locking driving piece which is used for driving the tool locking plate, wherein locking structures which can be used for clamping the clamping parts along with the moving of the tool locking plate are arranged in positions, which correspond to the tool locations, of the tool locking plate. According to the tool changing and locking structure disclosed by the invention, the tool locking plate moves transversely when the main shaft descends to release the tools, and the clamping parts of the tools can be clamped by utilizing the locking structures, so that the tools cannot ascend along with the main shaft, tool releasing can be completed, and the problem that tool collision damage is caused as the main shaft does not fall off cannot happen.

The invention relates to the technical field of mobile communication cable laying equipment, and discloses an intelligent cable laying device for data transmission based on a mobile communication product. The intelligent cable laying device comprises a device body, wherein an air groove is formed in a driving wheel in a surrounding manner; an elastic air bag is arranged on the outer side of a rubber belt; the rubber belt is connected with a limiting block; a cylindrical air bag is arranged in a fixed cylinder; a through hole is formed in the lower part of a separation plate; the front side ofa second rotating shaft is connected with a cam; and a ventilation pipe is connected between the cylindrical air bag and a fixed disc. The cam drives a sliding rod to move left and right and up and down under the action of rotating inertia, the sliding rod drives the fixed cylinder to move and intermittently extrude the cylindrical air bag, air in the cylindrical air bag passes through the fixed disc, when an air inlet groove in the fixed disc is opposite to the air groove, the air is pneumatically counted into the elastic air bag through the air groove, so that the elastic air bag is controlled to expand and contract, and soil accumulated on a movable plate completely falls off. The structure solves the problems of low working efficiency and uniform filling of existing cable laying.

The invention relates to the field of planting, and particularly discloses a corn threshing device. The corn threshing device comprises a rack, a threshing mechanism and a moving mechanism, wherein the threshing mechanism comprises a rotary cylinder, a slotting knife, a threaded piece and a threshing piece, and protruding ribs are arranged on the threshing piece; the moving mechanism and the slotting knife are located on the same side of the rotary cylinder. The moving mechanism comprises a propelling assembly, a threaded rod and an air bag, wherein the threaded rod is coaxial with the rotarycylinder, balls are arranged between the threaded piece and the threaded rod, an air outlet capable of being closed is formed in the air bag, and a plurality of cutting knives are fixed to the periphery of the air bag. The rack is fixedly provided with an air-filled cylinder, a piston rod is fixed to a piston of the air-filled cylinder, a spring is arranged in a rodless cavity of the air-filled cylinder, poke pieces are fixed to the outer wall of the rotary cylinder, the side wall of the rodless cavity of the air-filled cylinder is fixedly provided with an air-inlet one-way valve and an air-filled one-way valve, and the air-filled one-way valve is communicated with the air bag. The threshing device can dispose corn cobs.

The invention discloses a combined type roll core device of a horizontal channeling machine. The combined type roll core device comprises a push core and a roll core, wherein a telescopic sleeve is arranged on the outer peripheral surface of the machining end face of the roll core through an elastic piece; when the thrust of the push core directly pushes a battery to the machining end face of the roll core, the telescopic sleeve is extruded by the end face of the battery to be compressed to a draw-back station; and when the push core draws back, the telescopic sleeve returns to a push-out station so that the battery can be pushed out from the roll core. The combined type roll core device of the horizontal channeling machine has the beneficial effects that 1, after channeling of the battery is finished and the push core returns, the battery is pushed out from the roll core through a spring in the roll core, it is guaranteed that the battery can completely fall off the roll core, and therefore the production efficiency and product eligibility are improved; and 2, the flaring diameter during channeling of the battery can be reduced, and thus the sealing quality of the battery is improved.

The invention discloses a novel sand lime brick with a fire-resistant effect. The novel sand lime brick comprises a main brick body, a second brick body and a third brick body, wherein the main brickbody is integrally of a flat cuboid structure; a first notch and a second notch are respectively reserved in positions, near the two sides, of the lower surface of the main brick body; the first notchand the second notch are in symmetrical distribution by using a perpendicular bisector of the main brick body in the length direction as the symmetry axis; two strip-shaped grooves penetrating through the two ends are formed in the front side of the main brick body; the front side of the main brick body is sequentially divided into three parts by the two strip-shaped grooves; through holes are formed in positions, near the two sides, of the groove bottom of the strip-shaped grooves; the distance between the two through holes in the same strip-shaped groove equals to the distance between the first notch and the second notch; and a pressure sensor is clamped and connected into one through hole. The novel sand lime brick has the advantages that the bonding capability between the surface of the sand lime brick and slurry is improved; the falling of possibly little surface slurry under the strong fire baking condition is further ensured; and the connection between fire-resistant bricks isprotected.

The invention discloses a three-dimensional core forming hot-melt adhesive, and a preparation method and application thereof. The three-dimensional core forming hot-melt adhesive comprises the following components in parts by weight: 10-50 parts of a polymer, 5-30 parts of a plasticizer, 25-60 parts of tackifying resin, 0.1-2 parts of an antioxidant, 0-20 parts of liquid resin and 0-20 parts of polyisobutylene. The hot-melt adhesive can be used for molding of high molecular absorbent resin and/or wood pulp in the core of a one-time absorption product, high wet peeling strength, moderate initial adhesion and the good elastic recovery rate are achieved, the hot-melt adhesive can be applied to the high molecular absorbent resin and/or a wood pulp station in the core, after the core is wet, the high molecular absorbent resin or the wood pulp does not agglomerate, fall off or break.

The invention provides a nursing bottle with a biased nipple, and belongs to the industry of infant and children supplies. The nursing bottle comprises a bottle body, a bottle cap, a nipple with a one-way vent valve and a dustproof cover, wherein an outer thread is formed in an opening end of the bottle body; an inner thread and a center hole are formed in the bottle cap; the nipple is arranged in the center hole; the outer thread of the bottle body is connected with the inner thread of the bottle cap to form a sealed space; a feeding opening and at least one one-way valve which protrudes inwards are arranged on the nipple; an air intake opening is formed in the top part or the side surface of the one-way valve; an annular groove which is used for relieving deformation of the nipple and surrounds the one-way valve is arranged at the periphery of the root part of the connected part of the inside of the nipple and a large arc surface; an annular body which protrudes upwards is arranged on a seal edge of the lower part of the nipple for preventing the nipple from falling off; the annular groove which protrudes out of the annular body downwards and sinks into the bottle cap upwards is arranged at the lower part of the edge of the center hole of the bottle cap; a bulge body aligned with the dustproof cover is arranged on the edge of the outer surface of the bottle cap; and a leak-proof device which is in contact with the feeding opening of the nipple and is used for preventing a liquid in the bottle body from flowing outside is arranged in the top part of the dustproof cover; and a groove aligned with the feeding opening of the nipple after the feeding opening of the nipple and the bottle cap are clamped is arranged at the inner side of the edge.

The invention provides a car composite interior trim part forming production line safety bus control system which solves the problems that in the machining process of car interior trim parts, demolding and grabbing are difficult, and self adaption to recognition of mold changing and integrated conveying of materials cannot be achieved, and particularly relates to the car interior trim part formingproduction line control field. The car composite interior trim part forming production line safety bus control system comprises a self-adaptive feeding work station, a multi-freedom-degree robot, a self-recognition fast mold changing mechanism, a discharging work station, a thermal forming hydraulic machine and a punching servo hydraulic machine; the self-adaptive feeding work station is arrangedon the feeding side of the thermal forming hydraulic machine; the multi-freedom-degree robot is arranged on the discharging side of the thermal forming hydraulic machine; and the discharging work station and the punching servo hydraulic machine are arranged on the two sides of the multi-freedom-degree robot. The car composite interior trim part forming production line safety bus control system can independently complete five process difficulties of workpiece recognition, feeding positioning, hot pressing forming, workpiece grabbing, reverse material falling and receiving and the like, and effectively solves the problem that demolding and grabbing in the ultra-light car interior trim part machining process are difficult.

The invention discloses a peritoneal dialysis device for the nephrology department and relates to the field of clinical medicine. The device includes a peritoneal dialysis bag, a peritoneal dialysis tube connected with the peritoneal dialysis bag, a waste liquid bag, a waste liquid tube connected with the waste liquid bag and a three-way tube; one end of the three-way tube is connected with the peritoneal dialysis tube, one end of the three-way tube is connected with the waste liquid tube, and the other end of the three-way tube is connected with a main tube; the other end of the main tube isconnected with an embedded catheter, a chopped aramid fiber is wrapped and buried in the embedded catheter, and one end of the chopped aramid fiber is partially exposed from the outer surface of the catheter. The device can solve a drifting problem of peritoneal dialysis catheters embedded in peritoneal dialysis patients.

The invention provides a spot adhesive feeding cold runner injection mold with twin stripper plates. The spot adhesive feeding cold runner injection mold comprises an upper mold body, a lower mold body, an upper fixing plate for fixing the upper mold body and a lower fixing plate for fixing the lower mold body. A stripper device for being separated from a waste end is arranged between the upper mold body and the upper fixing plate. The stripper device is movably connected with the upper mold body through a connecting piece. The upper mold body and the upper fixing plate can be switched between the separated state and the combined state. When the upper mold body and the upper fixing plate are combined, the stripper device is clamped between the upper mold body and the upper fixing plate and connected with the waste end on one side of the upper mold body; when the upper mold body and the upper fixing plate are separated, the upper mold body moves towards one side of the lower mold body relative to the stripper device and drives the stripper device to draw the waste end on one side of the upper mold body out of the upper mold body through the connecting piece while moving. The spot adhesive feeding cold runner injection mold is reasonable in structural design; the problem that waste does not disengage thoroughly can be solved; the appearance of produced products can be made smooth, and no marks of adhesive feeding spots exist.

The invention relates to an anti-sticking method for testing an integrated circuit (IC) element and an anti-sticking IC element test seat thereof. The method is characterized in that: compressed air is introduced from a rear end of the IC element and an upper die contact surface, and the compressed air is used for blowing out the airflow between the contact surfaces of the upper die, so the IC element is separated from the contact surface of the upper die to drop off. The IC element test seat comprises a lower die and an upper die, wherein the lower die is used for holding the IC element to be tested and for installing a test probe, the upper die is combined with the lower die, the upper die comprises an upper die carrier, the rear end of the upper die carrier is provided with a light source printed circuit board (PCB), the front end of the upper die carrier is provided with a lens, a light equalizing plate is installed between the light source PCB and the lens, the upper die carrier on the front end of the lens is provided with a lens installation plate, the lens installation plate is the upper die contact surface of the IC element, the compressed air is led into a front cavity or a rear cavity which is formed between the upper die carrier and the front end of the lens and between the lens installation plate and the front end of the lens, and the lens installation plate on the position of the IC element contact surface is provided with a blowing hole, through which the front cavity is communicated with the atmosphere.

A surface residual electrolyte removal device for a waste lithium titanate negative electrode sheet is disclosed, the device includes a bracket, a material receiving box is fixedly installed at the upper end of the bracket, a material discharge hopper is arranged at the low end of the material receiving box, a rack is fixedly installed on the inner wall of the material receiving box, a plurality of push rod motors are vertically fixedly installed on the rack, the upper ends of the push rod motors are hinged with mounting strips, the upper end of the mounting strips is fixedly installed with abottom plate, a rubber sealing strip which is closely slidably connected with the inner wall of the receiving box is pasted on the outer wall of the bottom plate, and a mesh cylinder is arranged on the upper end of the bottom plate. The beneficial effects are as follows: the urface residual electrolyte removal device for the waste lithium titanate negative electrode sheet can thoroughly remove theelectrolyte and impurities on the surface of the waste lithium titanate negative electrode sheet, ensures that the lithium titanate powder on the waste lithium titanate negative electrode sheet can be completely detached from the aluminum foil without residue, effectively avoids the reduction of the recovery efficiency of the waste lithium titanate negative electrode sheet, and has good practicability.

The invention relates to the technical field of sorting robots, in particular to an article recognition pre-sorting robot based on deep learning and a using method. The article recognition pre-sortingrobot comprises a robot mechanical portion and a recognition portion. The bottom end of the robot mechanical portion is fixedly connected with a base, and the left end of the base is fixedly connected with a controller; and a transition plate is fixedly connected to the other end of the robot mechanical portion, side plates are fixedly connected to the bottom end of the transition plate, electrictelescopic rods are fixedly connected to the inner sides of the side plates, and clamping plates are fixedly connected to the other ends of the electric telescopic rods. According to the article recognition pre-sorting robot, through the arrangement of fixing blocks, first motors, gears, gear rings, limiting frames, telescopic rods, first springs, supporting plates and balls, when an article is clamped through the clamping plates, the gear rings drive the supporting plates to support the bottom of the article, it is guaranteed that the article cannot fall to the ground under the action of thesupporting plates when falling off from the fronts of the clamping plates, and therefore the overall stability and safety are improved.