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51results about How to "Prevent rebound" patented technology

Forging table clamping equipment for steering worm

The forging table clamping device of the steering worm comprises a workbench, the top of the workbench is fixedly connected with a bearing table, supporting cylinders are arranged at the positions, located on the two sides of the bearing table, of the top of the workbench, the inner walls of the supporting cylinders are connected with movable plates in a sliding mode, and the movable plates are fixedly connected with the bearing table. The bottom of the movable plate is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with the bottom of the inner wall of the supporting cylinder, and a non-return mechanism for preventing the first spring from rebounding is arranged between the movable plate and the supporting cylinder. According to the forging table clamping equipment for the steering worm, through the arrangement of a non-return mechanism, limiting teeth make contact with teeth of a limiting rack under the action of a second spring, so that rebounding of a first spring is avoided, a worm blank keeps effective contact with the surface of the bearing table all the time, the forging quality is guaranteed, the positions of a clamping piece and a forging piece do not need to be frequently adjusted, and the working efficiency is improved. And the forging efficiency of the workpiece is improved.
Owner:杭州洪武汽车零部件有限公司

Hinge assembly and laundry treating apparatus

The application provides a hinge assembly and a clothes processing device. The clothes processing device comprises a door cover and a cabinet. The cabinet is provided with a receiving cavity with an opening at one end. The door cover is rotatably connected to the cabinet through the hinge assembly to open and close the opening. The hinge assembly comprises a hinge seat installed on the cabinet, a hinge blade corresponding to the door cover, and a hinge shaft rotatably connecting the hinge seat and the hinge blade. The hinge blade is provided with a cam, and the hinge seat is provided with a damping sliding groove corresponding to the cam. The cam is slidingly arranged in the damping sliding groove. When the hinge blade rotates relative to the hinge seat, the damping sliding groove generates damping to the cam. The hinge assembly provided by the application buffers the rotation of the door cover through the cooperation of the damping sliding groove and the cam, prevents the door cover from opening too large or even rebounding, and prevents the door cover from closing too fast to pinch the hand when the door cover is closed, thereby improving the user experience.
Owner:TCL HOME APPLIANCES (HEFEI) CO LTD

Method and device for disengaging electric power steering

PendingCN122560978AAvoid losing control of yawavoid injury
This invention provides a method and apparatus for disengaging electric power steering, relating to the field of vehicle control technology. The method includes: when determining that the current state of the vehicle meets the conditions for disengaging from automatic parking, acquiring the current rotation direction of the steering wheel, the current angular velocity, and the current hand torque direction of the driver; if the current angular velocity is greater than a safety threshold and the current hand torque direction is opposite to the current rotation direction, controlling the motor to output the magnitude of the reverse torque in a direction opposite to the current rotation direction of the steering wheel; if the current angular velocity is not greater than the safety threshold, or the current hand torque direction is the same as the current rotation direction, determining the target fusion coefficient of the current control cycle based on the fusion coefficient of the current control cycle and the fusion coefficient of the previous control cycle; and determining the target angle based on the target fusion coefficient, the current angle of the steering wheel, and the initial set angle in the automatic parking state.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Dust cup assembly and dust collector

The dust cup assembly comprises a dust cup and a cyclone cylinder, the cyclone cylinder is arranged in the dust cup, a dust collection bin is formed between the cyclone cylinder and the dust cup, an air inlet and an ash discharge port are formed in the cyclone cylinder, the air inlet is located above the ash discharge port, the air inlet is communicated with the inlet, and the dust collection bin is communicated with the dust cup. The ash discharge port is communicated with the dust collection bin; the cyclone cone is installed at the position of the air outlet of the cyclone cylinder, and at least part of the cyclone cone is located in the cyclone cylinder; the first sealing piece is integrally formed and comprises a sealing part and a clamping part, the outer side of the cyclone cylinder is concaved inwards to form a sealing groove and a fixing groove, the sealing part is annularly arranged on the periphery of the air inlet and contained in the sealing groove, and the sealing part abuts against the inner wall of the dust cup; and the clamping part is clamped in the fixing groove. Through the special cyclone design, the dust-air separation effect of the dust collector is good, and a sealing piece is not prone to falling off.
Owner:KINGCLEAN ELECTRIC CO LTD +2

Molten aluminum refining production process capable of reducing content of iron element

PendingCN121951251ABreaking through the limitations of a single processprevent reboundProcess efficiency improvementIron removalIron content
The invention discloses a molten aluminum refining production process capable of reducing the iron element content, and relates to the technical field of secondary aluminum refining. The process is combined with the characteristics of existing secondary aluminum refining equipment and process, and comprises the steps of pretreatment in a smelting furnace, refining in a holding furnace, online rotor refining and ceramic filtration, and multi-stage iron removal is realized by comprehensively applying a flux method, a gravity settling method and a ceramic filtration method. The iron removal flux and inert gas are blown through the rotor, the iron removal reaction is accelerated, the single-process iron removal effect and production efficiency are improved, and the flux consumption is reduced. The iron removal efficiency is stabilized at 62% or above, the iron content in the secondary aluminum is effectively reduced, the product quality is improved, and the method is suitable for industrial production.
Owner:NANNING UNIV

Folding and pressing structure suitable for vest bags of different specifications

The folding and pressing structure is suitable for vest bags of different specifications, and comprises a folding synchronous adjustment mechanism, a folding pressure hook mechanism, a pressure plate pressing mechanism, a pressure plate synchronous adjustment mechanism, a bag ear pressing and folding mechanism, a bag ear pressing and folding driving mechanism, an adjustable pressure rod pressing mechanism, a lower fork mechanism, a fixing mechanism, an adjustable tube straightening plate mechanism and an adjustable material receiving mechanism. The present invention synchronously adjusts the distance between the folding beams according to the sizes of the handles of the different vest bags after folding, thereby controlling the folding positions of the bag head and the bag tail of the vest bag, and the pressure plate synchronous adjustment mechanism can synchronously adjust the distance between the pressure plate positioning structures to adapt to vest bags of different widths, and there is no need to change the size of the pressure plate or manually adjust the distance between the pressure plates. The pressure plate presses the bag body of the vest bag, thereby solving the problem of left-right and front-back deviation and swinging of the vest bag during the folding process, and improving the flatness of the finished product.
Owner:SHANTOU JINPING FUXI MASCH FACTORY

Pavement cutting device

The utility model relates to the technical field of cutting devices, and discloses a road surface cutting device which comprises a base, a supporting plate is fixedly connected to the edge of one side of the top face of the base, an I-shaped groove is formed in the surface of the supporting plate, a lifting mechanism is slidably connected to the interior of the I-shaped groove, and a motor box is fixedly connected to the surface of the lifting mechanism. And a driving mechanism is fixedly connected to the interior of the motor box, and a water tank is fixedly connected to the side close to the supporting plate. According to the road surface cutting device, through the arrangement of the cleaning mechanism, when the road surface cutting device is used, after a universal ball is adjusted to a proper angle, two sets of powerful fans at the bottom of the universal ball form an included angle with the ground, then the universal ball is fixed through bolts, and the powerful fans clean particle chippings in ground gaps after cutting; the subsequent cleaning work can be reduced, oblique blowing is beneficial for preventing dust and chippings from rebounding and returning to a cutting area, and the dust control effect is improved.
Owner:QINGHAI TIANXIANG ENG SCI RES TESTING CO LTD

Method for improving clayed soil

The invention relates to the technical field of soil improvement methods, and discloses a clayey soil improvement method which comprises the following stages: S1-S4. Through a synergistic improvement mode, the content of organic matters in the soil is increased, the content of heavy metals in the soil is reduced, the hardening rebound rate is reduced, meanwhile, the pH value of the soil is adjusted to a suitable range of 6.0-7.5, and the comprehensive improvement effect is remarkable; meanwhile, contour line operation, multi-ditch drainage, straw covering and the like are arranged, so that the device can adapt to mountainous and hilly terrains and rainy and high-humidity climate in the southwest, and water and soil loss and modifier loss are effectively prevented; ecological materials such as bamboo fibers, earthworms and straws are adopted, so that the dosage of chemical reagents is greatly reduced, secondary pollution is avoided, and adverse effects are reduced after leaching agent residues are subjected to drainage and biodegradation; an improved closed loop is formed through later measures such as crop rotation, regular compensation and improvement, permeability maintenance and the like, rebounding after short-term effectiveness is avoided, and the improvement effect is effectively prolonged.
Owner:SICHUAN FORESTRY RES INST (SICHUAN FORESTRY IND RES & DESIGN INST)

A bumper device for a motor vehicle shock absorber

ActiveCN224602640Usmooth motionsave space
The utility model provides a kind of buffer device of automobile shock absorber, it is related to automobile shock absorber technical field, and it includes: fixed seat, first connecting support, protection assembly, buffer assembly, second connecting support and connecting hole;The protection assembly includes base, protective shell and T-shaped guide slot;The buffer assembly includes mounting seat, damper, spring, top block and T-shaped guide block.The utility model can when vehicle travels and meets bump or obstacle, impact force is passed to second connecting support by suspension and is passed to top block, top block drives T-shaped guide block to slide along T-shaped guide slot, spring is compressed to absorb energy, damper shrinks to consume energy, ensure top block movement stability by T-shaped guide block and T-shaped guide slot cooperation, reduce abrasion and prolong life, spring and damper collaborative work improve buffering effect, improve driving stability and ride comfort, and protection assembly effectively blocks impurity to ensure reliability.
Owner:INGAOJI (WUXI) AUTO PARTS CO LTD

A portable care case

The utility model relates to nursing instrument technical field, concretely discloses a portable nursing box, include: box, still include: first protective layer, first protective layer is located in the box inner chamber, first protective layer is connected with the box inner chamber sliding, the base plate fixedly connected with a plurality of connecting shell, the connecting shell inner chamber sliding is connected with the slide, the slide upper end middle part fixedly connected with the support rod, the support rod is connected with the connecting shell sliding, the support rod upper end fixedly connected with the connecting plate, the connecting plate upper end with first protective layer lower end fixed connection. Through being provided with first protective layer, thereby in the process can protect precision instrument, can prevent in the transportation, precision instrument and the inner wall of box collide, when nursing box is impacted, first protective layer slides in the box inner chamber, then first protective layer will drive the connecting plate to move down, then drive the second spring to contract through the connecting plate, thereby the second spring absorbs part energy through the elastic deformation, reduces the impact force peak value.
Owner:SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL

Profile cutting machine

The utility model discloses a profile cutting machine, which relates to the technical field of cutting machines, and comprises a base, a folding bracket, a cutting mechanism, a cutting mechanism and a cutting mechanism, and is characterized in that the base is used for mounting the folding bracket; the folding bracket is used for mounting the cutting mechanism, the holding and lifting mechanism and the cutting scrap flow guide mechanism; the cutting mechanism is used for cutting the profile; the holding and lifting mechanism comprises a first handle and a second handle; the first handle is fixedly arranged on the top of the folding support, and the second handle is fixedly arranged on one side face of the first handle. And the cutting scrap flow guide mechanism comprises an arc-shaped flow guide plate and an arc-shaped flow guide groove. By means of the device, cutting chippings can be more concentrated, the follow-up cleaning difficulty is lowered, meanwhile, the situation that the chippings sputter due to rebounding can be avoided, and in addition, lifting and moving operation can be carried out more conveniently and rapidly.
Owner:ZHEJIANG JINGSHEN IND

A high-toughness cross-linked polyethylene aluminum alloy cable

This invention relates to the field of power cable technology and proposes a high-toughness cross-linked polyethylene aluminum alloy cable, comprising a protective sheath, filler sand, wrapping steel wire, and a traction mechanism. The protective sheath wraps around the outside of the insulation layer, the filler sand is filled between the protective sheath and the insulation layer, and the wrapping steel wire is spirally wound around the outside of the insulation layer, positioned between the protective sheath and the insulation layer. The filler sand is positioned in the gaps of the spirally wound steel wire. When the wrapping steel wire bends, the filler sand is compressed and can creep within the protective sheath. The traction mechanism is detachably mounted on the protective sheath. When the cable bends, the traction wire can pull the cable within the inner loop of the bend. The traction mechanism is used to pull the bent portion of the cable after bending. This technical solution addresses the problem in the prior art where aluminum alloy cables are subject to small-angle bending and repeated bending under compression.
Owner:ZEKAI CABLE HEBEI CO LTD

A disposable, folded introducer tip intraocular lens injector

This invention discloses a disposable foldable implantable intraocular lens (IOL) implanter. The implantable head is installed at the front end of the injector body and includes a movable flap, a fixed flap, and a folded lens portion. The folded lens portion is located at the front end of the central axis of the implantable head, the fixed flap is located at the rear end of the folded lens portion and connected to it, and the movable flap is located to the right of the fixed flap. The movable flap and the fixed flap are connected by a folding plate, and the movable flap can rotate based on the folding plate. The inner cavity of the folded lens portion includes a tail end and a tip end. The movable flap has a pre-loading groove for the lens near the central axis, and the fixed flap has a pre-loading groove for the lens near the central axis. The diameter of the pre-loading groove for the movable flap is less than or equal to the diameter of the tail end of the inner cavity of the folded lens portion. This invention is ingeniously designed, easy to operate, easy to insert but difficult to remove, prevents reuse, and is less likely to damage the lens when folded. When the lens passes through the inner cavity of the implantable head, it is less likely to scratch the lens, thus improving safety.
Owner:TIANJIN SHI JI KANG TAI BIOMEDICAL ENG CO LTD

A microbial remediation method for uranium-contaminated groundwater

The present invention discloses a microbial remediation method applicable to uranium-contaminated groundwater, and relates to the field of water pollution remediation. The method comprises the following steps: conducting a uranium pollution survey on groundwater in a contaminated area, determining the contamination plume according to the uranium concentration, calculating the permeability coefficient of the rock and soil layer and the influence radius of the remediation well; constructing a plurality of remediation well positions so that the remediation areas of the plurality of remediation wells overlap and cover the contamination plume; adding a remediation agent in each remediation well, the remediation agent comprising sodium bicarbonate, sodium acetate, ethanol, ferrous sulfide and water. The present invention is applicable to the microbial remediation technology of uranium-contaminated groundwater, and the remediation agent considers three aspects, namely, regulating the environment, providing nutrition and preventing rebound, improving the living environment of microorganisms, stimulating and improving the biological reduction efficiency of heavy metal uranium by indigenous microorganisms in groundwater, and will not cause secondary pollution to the environment. The uranium contamination of groundwater can be continuously remediated, and the remediation area can be wide, and a large amount of manpower and material resources are not required, so the method is simple and economical.
Owner:BEIJING NORMAL UNIVERSITY

Cigarette packet lining paper folding equipment and packaging machine

The invention belongs to the technical field of tobacco processing, and discloses cigarette packet lining paper folding equipment and a packager.The cigarette packet lining paper folding equipment comprises a packaging wheel, a folding mechanism, a pushing part and a bearing part, the packaging wheel comprises two rotating discs rotating synchronously, containing grooves are formed in the edges of the rotating discs, and cigarette packets are in lap joint with the two containing grooves; the folding mechanism is opposite to the edges of the two rotating discs and comprises a frame and two folding assemblies, the frame comprises two opposite connecting plates, each connecting plate is connected with one folding assembly, each folding assembly comprises a first side plate, a crease piece and a second side plate, the first side plate is connected with the connecting plates, the crease piece is connected with the first side plate, and the second side plate is connected with the connecting plates. The second side plates are connected with the creasing piece, the cigarette packet rotates to the folding mechanism, the second side plates enable the upper short edge to be folded, the cigarette packet is completely arranged between the two second side plates, the pushing piece pushes the cigarette packet to move towards the frame along the bearing piece, the creasing piece moves along with the cigarette packet to enable the lower short edge to form a creasing, and the first side plate enables the lower short edge to be bent upwards and folded.
Owner:SHANGHAI TOBACCO MACHINERY

Horizontal hydraulic packing machine anti-rebound structure

ActiveCN224392014Uachieve rotationRealize position controlPressesStructural engineeringControl theory
The utility model discloses a horizontal type hydraulic packing machine anti -rebound structure, including packing box, both sides of packing box are linked with side box, the side box is equipped with a plurality of vertical pole frames along its length direction in, vertical setting is in vertical pole frame, and the outside rotation of vertical pole frame is connected with a plurality of baffle frame, baffle frame includes rotating rod and with the packing box corresponding insertion portion, the inside packing box is connected with moving plate through telescopic cylinder, moving plate is set up and slides before and after, and be equipped with the pull arm on moving plate, pull arm with rotating rod sliding fit. Advantageous effect lies in: through telescopic cylinder and drive the movement of moving plate, realize the rotation of baffle frame to realize the position control to insertion portion, utilize insertion portion and insert into packing material can effectively prevent the rebound of packing material in the compression process, has improved the stability and efficiency of packing process.
Owner:HUNAN KECHUANG TEXTILE CORP LTD

Automatic cutting device for polyester filament production line

The application discloses a kind of automatic cutting device for polyester filament production line, it is related to polyester filament production technical field, and the utility model discloses a plate body, the top surface of plate body is fixedly installed with cutting mechanism and take-up mechanism, take-up mechanism is located at the side of cutting mechanism, cutting mechanism includes fixed plate, and fixed plate is fixedly installed on the top surface of plate body, the top surface of fixed plate is fixedly installed with the baffle of two mirror image distribution, the utility model discloses a cutting mechanism is set, when need to cut polyester filament, through shell can be compacted to polyester filament, then it is cut, can prevent the situation that tight polyester filament rebounds, to improve the cutting efficiency of polyester filament, the utility model is set up take-up mechanism, through take-up mechanism can take-up polyester filament, and through the friction roller that opposite direction rotates with take-up roller, can keep its state of compact when taking-up polyester filament, prevent it relatively loose and lead to messy knot.
Owner:苏州艺馨纤维有限公司

Method for replacing disperser of large mine flotation machine

The application discloses a large-scale flotation machine disperser replacement method for mines and belongs to the technical field of mine mechanical equipment. The method comprises the following steps: a new disperser composed of a new four-piece assembled arc block is adopted, a "composite process cutting method" is adopted to safely decompose an old integral rubber-steel composite disperser, that is, rubber of the main body is first cold cut, rubber of the steel plate area is then separated with the aid of heat, exposed steel plates are finally gas cut, and a complete limited space safety operation system is integrated; according to a slot-in situ replacement mode that old dispersers are hoisted out and new dispersers are assembled in slots, efficient, safe and accurate partial replacement of a core component of a large-scale flotation machine is realized, a construction period is short, risks are controllable, and a standardized maintenance process that can be popularized is formed.
Owner:TAIYUAN IRON & STEEL (GRP) CO LTD

Stone screening equipment for concrete processing

The invention discloses stone screening equipment for concrete processing, and relates to the technical field of stone screening equipment for concrete processing.The stone screening equipment for concrete processing comprises a supporting frame, a screening box is fixed to the inner wall of the supporting frame, and a discharging hopper is fixed to the side wall of the screening box; and a driving motor penetrates through the side wall of the screen box. According to the stone screening equipment for concrete processing, when raw materials are poured into the screen mesh cylinder, the screen mesh cylinder is laid through the buffer plate, the impact force on the screen mesh cylinder when the raw materials are directly poured into the screen mesh cylinder is reduced, meanwhile, the situation that the raw materials rebound when being impacted on the screen mesh cylinder is avoided, and therefore the raw materials directly fall into the screen box from the end of the screen mesh cylinder; the problems that the relative weight of the stone and gravel mixed raw materials is large, the stone and gravel mixed raw materials directly fall on the same position of the screen mesh cylinder for a long time, the screen mesh cylinder is prone to being damaged, and the service life is shortened are solved.
Owner:易虹兴(南通)新型建材制造有限公司

A steel cord straightener for aircraft tires

ActiveCN224600414Uprevent reboundRemove original bend
The utility model relates to the technical field of tire manufacturing, in particular to a kind of steel cord straightener for aviation tire, it not only strengthens the straightening effect of steel cord by twice correction, avoid steel cord rebound bending, and can smearing lubricating oil to steel cord, slow down the friction between steel cord and straightening roll, extend device service life;Including support mechanism;Still including conveying mechanism, heating mechanism, oiling mechanism, pressing mechanism and straightening mechanism, conveying mechanism is installed on support mechanism and drives steel cord to forward delivery, heating mechanism is installed on support mechanism and heats lubricating oil, oiling mechanism is installed on heating mechanism and smears lubricating oil on steel cord, pressing mechanism is installed on support mechanism and carries out pre-straightening to steel cord, straightening mechanism is installed on support mechanism and carries out straightening to steel cord.
Owner:QINGDAO SENTURY TIRE CO LTD

An automated battery pole piece rolling apparatus and method of use thereof

ActiveCN115740019BThere will be no reboundReduce rebound rate
The application belongs to the technical field of battery pole piece production, and particularly relates to a battery pole piece automatic rolling equipment and a use method thereof. In view of the problem that the distance between upper and lower rollers of an existing rolling pair roller machine is not easy to adjust, thereby limiting the use range of the lithium battery pole piece rolling pair roller machine, the following scheme is provided. The scheme comprises a U-shaped base, a first adjusting extrusion roller and a first fixed extrusion roller, the first adjusting extrusion roller and the first fixed extrusion roller are arranged in the U-shaped base to roll the battery pole piece, a second adjusting extrusion roller and a second fixed extrusion roller, the second adjusting extrusion roller and the second fixed extrusion roller are arranged on the other side in the U-shaped base to roll the battery pole piece for the second time to prevent rebound, and two groups of lifting mechanisms, which ensure the thickness consistency of the battery pole piece and prevent rebound.
Owner:NINGDE ZHONGNENG ELECTRONIC EQUIP CO LTD

Protective structure of vertical machining center

ActiveCN224209570UConvenient barrier protectionprevent reboundMaintainance and safety accessoriesOil canMachining
The utility model relates to a protective structure of a vertical machining center, which comprises a case and a protective assembly, and the protective assembly comprises a slide rail, a first electric push rod, a slide block, a second electric push rod, a protective cover, an oil tank, a recovery pump, a delivery pump, a hollow filter plate, a flow guide pipe and a nozzle. When the protection assembly is used, the position height of the protection cover can be adjusted through the first electric push rod, adjustment can be conveniently carried out according to the height of a machined workpiece, metal scraps can be conveniently blocked and protected, then the protection cover is adjusted, oil can be pumped from the oil tank through the conveying pump, the oil can be sprayed to the inner wall of the protection cover, and the protection assembly is convenient to use. And when metal chips splash to the inner wall of the protective cover, the oil liquid has certain viscosity, so that the metal chips can be adhered, the metal chips can be prevented from rebounding, and the metal chips in the oil liquid can be filtered and separated by the hollow filter plate along with continuous gliding of the oil liquid, so that subsequent collection and cleaning are facilitated.
Owner:QUANFU INTELLIGENT EQUIP (NANJING) CO LTD

Buffered wheel moving shower door

The utility model provides a buffer wheel moves shower door, including first screen and second screen who connects each other vertically and the shower door who can slide left and right is installed on the second screen, the top of second screen is provided with guide rail, the length of guide rail is wider than the width of second screen, the length of guide rail from second screen stretches out is same with the width of shower door, the top side wall of shower door is provided with protruding, both sides of protruding are provided with pulley, the guide rail includes the slide rail who is located at the bottom and the accommodating portion who is located at the side, is provided with buffer in the accommodating portion. The utility model discloses a buffer wheel moves shower door buffer and absorbs impact force when the shower door is closed, significantly reduces vibration and noise, creates a quiet and comfortable environment, reduces the wear and tear of door body and track through the buffering effect, prolongs the service life of sliding door system. Pulley ensures that the door body slides smoothly, avoids shaking and jamming, improves the smoothness of operation, effectively prevents the rebound of shower door, avoids the safety hidden danger such as pinching, guarantees the safety of user.
Owner:杭州谷优进出口有限公司

Lead correcting and bending device for inductor

The utility model relates to the technical field of inductor manufacturing, in particular to a lead correcting and bending device for an inductor. The lower module is arranged below the upper module through a linear bearing; the coil carrier track is arranged between the upper module and the lower module through the linear bearing; the correcting and bending assembly is vertically arranged on the lower end face of the upper module; the supporting assembly is vertically arranged on the upper end face of the lower module; and the two groups of driving components respectively drive the upper module and the lower module to slide towards the coil carrier track along the linear bearing. The device is convenient for fixing a coil to avoid the deviation of a lead wire, and the angle of the lead wire is corrected to avoid the deviation of a subsequent bending position; according to the device, the two sides of the lead are stressed at the same time through clamping of the correcting and bending assembly and the supporting assembly, and rebounding of the lead after bending is avoided.
Owner:COILTEC TECH (SUZHOU) CO LTD

Shaping device

ActiveCN222568867Uprevent reboundHigh shaping precisionMicron scaleWave shape
The utility model provides a shaping device. The shaping device comprises a carrier and a cover. The carrier comprises a base and a lower die fixed to the base. The lower die comprises a first lower die surface used for bearing a to-be-shaped product, the first lower die surface is in a wave shape, and a plurality of micron-sized first grooves are formed in the first lower die surface. The cover tool comprises a cover plate arranged above the base and an upper die fixed to the cover plate. The upper die comprises a first upper die surface. The first upper die surface faces the first lower die surface, the first upper die surface is in a wave shape, a plurality of micron-sized second grooves are formed, and the first upper die surface and the first grooves are arranged in a mirror image mode. The cover plate bears acting force to move towards the base to drive the upper die to apply downward pressure to the to-be-shaped product on the lower die, so that the upper die and the lower die jointly extrude the to-be-shaped product in parallel, the to-be-shaped product is pressed into the surface of the to-be-shaped product through the first groove and the second groove, classification before shaping is not needed, and shaping precision is improved.
Owner:HENAN YUZHAN PRECISION TECH CO LTD

A method of reducing crystallinity of a polyamide composite

This invention belongs to the field of polymer composite materials technology, specifically relating to a method for reducing the crystallinity of polyamide composite materials. The method for reducing the crystallinity of polyamide composite materials includes the following steps: adding pure polyamide and glass fiber in a certain proportion to a twin-screw extruder for melting, extrusion, cooling, drying, and pelletizing, then pressing the pellets on a compression molding machine. After compression molding, the product undergoes a moisture conditioning treatment to reduce its crystallinity and improve the stability and durability of the product.
Owner:HEBEI TIEKE YICHEN NEW MATERIAL TECH CO LTD +1

A punching device for fixing support machining

The utility model belongs to fixed support processing technical field, proposes a kind of punching equipment for fixed support processing, including punching table, the upper end surface of punching table is equipped with mounting bracket, the upper end surface of mounting bracket is equipped with hydraulic rod, the output of hydraulic rod is equipped with punching assembly with the top of mounting bracket being penetrated, the upper end surface of punching table is equipped with punching seat below punching assembly, the side of punching table is equipped with blanking port, the side of the upper end surface of punching table is equipped with recess, the bottom of recess is equipped with sliding slot one, mobile assembly one is installed in sliding slot one, the upper end surface of mobile assembly one is equipped with mounting plate, the side of mounting plate is equipped with three-jaw chuck, the side of punching table is equipped with support seat below blanking port, the upper end surface of support seat is equipped with sliding slot two, mobile assembly two is installed in sliding slot two. This kind of punching equipment for fixed support processing, simple and reasonable structure, novel design, easy operation, with higher practicality, it is convenient to be widely used.
Owner:ANHUI CHENGCHENG MACHINERY CO LTD

Pin roller limiting structure for preventing sliding block from rebounding

The utility model discloses a roller limiting structure for preventing a sliding block from rebounding, which relates to the technical field of roller limiting and comprises a welding bottom plate, a sliding assembly is arranged on the front side of the welding bottom plate and comprises a sliding guide rail, the sliding guide rail is fixedly connected to the front side of the welding bottom plate, and the sliding guide rail is arranged on the welding bottom plate. A limiting assembly is arranged at one end of the sliding guide rail, the limiting assembly comprises a limiting frame, the limiting frame is fixedly installed at one end of the sliding guide rail, fixing assemblies are arranged at the top and the bottom of the limiting frame, each fixing assembly comprises a threaded pin rod, and the threaded pin rods are in threaded connection with the sliding guide rail. The limiting pin hole is located in one side of the welding reinforcing plate, the limiting column is fixedly connected to one side of the connecting plate, the limiting column is inserted into the limiting pin hole after the roller sliding block slides to one end, the roller sliding block can be limited through matched use of the limiting pin hole and the limiting column, the stability of the roller sliding block in the fixing process is conveniently improved, and the service life of the roller sliding block is prolonged. And shaking and deviation are prevented.
Owner:DONGGUAN ZHONGCHENGHAO PRECISION MASCH TECH CO LTD

Active gravity unloading method for flexible lander ground test

ActiveCN117864445BRealize a realistic simulationUninstall accuratelyCosmonautic condition simulationsKineticsControl system
The application discloses a flexible attached probe ground test active gravity unloading method, and belongs to the technical field of extraterrestrial exploration.The application realizes the method as follows: a flexible attached probe structure is constructed.The flexible attached probe comprises a body bearing plate, a buffer cylinder, a buffer support rigid body structure, and a flexible connecting structure.Motors are respectively connected with the mass center of the flexible rod and the mass center of the node, and the force required by each motor is determined according to a static balance equation.A flexible attached probe gravity unloading ground test system is established.The test system comprises a supporting device, a moving device and a control system.The force generated by the motor is transmitted to the gravity acting on the flexible attached probe through a suspension rope, a motor and a pulley set to complete the quantitative and accurate gravity unloading of the flexible attached probe ground test, and the real simulation of the dynamic characteristics of the flexible attached structure is realized.The application can realize low-frequency motion within a limited range and compensate for large deformation of the structure through multi-node gravity unloading.
Owner:BEIJING INST OF CONTROL ENG +2