29results about How to "Reduce rebound" patented technology

The invention relates to the technical field of winding machines, in particular to a full-automatic winding machine capable of preventing wire breakage, which comprises a winding machine body and a bottom plate, the bottom plate is mounted at the end part of the winding machine body, a movable seat and a fixed seat are arranged at the end part of the bottom plate, a mold fixing cylinder is arranged in the movable seat, an outer sleeve is arranged in the fixed seat, and a wire inlet cylinder is inserted into the side wall of the fixed seat; a conveying wheel is arranged in the outer sleeve, and a first moving plate is arranged on the side wall of the fixing base. By arranging the tension detection sensor, the tension condition of the wire rod in the winding process is monitored, when the tension exceeds a preset safety range, the tension detection sensor can rapidly transmit a signal to the first servo motor, the first servo motor is started and adjusts the positions of the rotating ring and the adjusting ring, the conveying path and the tension state of the wire rod are changed, and the wire rod is conveyed. The problem of wire breakage caused by too high tension is reduced and avoided, the stability and reliability of wire winding are improved, production interruption and waste products caused by wire breakage are reduced, and the production efficiency is improved.

The utility model relates to a kind of rock breaking rods, it includes: including main body and hammer head, main body is covered with flexible layer outside, main body is equipped with movable cavity inside, movable cavity is arranged close to the bottom end of main body, several movable members are filled in movable cavity, and movable member can freely move in movable cavity. Hammer head is located below main body, and is connected with the bottom end of main body. Inertial motion of movable member can absorb and offset part of kinetic energy that bounces back to rock breaking rod, so as to significantly reduce rock breaking rod echo, improve rock breaking effect. Movable member shakes in movable cavity can significantly reduce the vibration of rock breaking rod and the intensity of high-frequency noise radiated outward, so as to be conducive to ecological environmental protection. Flexible layer covered outside main body buffers the vibration of main body, and reduces the noise propagated outward by main body. Therefore, the rock breaking rod can reduce the adverse effects of energy bouncing back to rock breaking rod.

The invention provides a correction jig, a correction method, a rotating shaft cover plate and foldable electronic equipment. The correction jig is used for correcting the straightness of a long-strip-shaped part and is provided with a first groove, and the first groove extends in the first direction; in the second direction, the range of the difference value w1-w1'between the width w1 of the first groove and the width w1 'of the long-strip-shaped part is larger than or equal to 0.05 mm and smaller than or equal to 0.1 mm, and the first direction intersects with the second direction. The correction jig is simple in structure.

The invention discloses a damaged carton recycling device and method for carton packaging, and relates to the technical field of waste recycling, the damaged carton recycling device comprises a shell, two door bodies rotationally installed on the shell, a control module fixedly installed outside the shell and a data display module, the compaction assembly is mounted in the shell; the hydraulic rod is fixedly mounted at the top of the shell; and the compaction assembly comprises a bottom plate fixedly mounted at the bottom of the shell and an extrusion plate slidably mounted in the shell, a connecting sleeve is fixedly mounted on the extrusion plate, and the driving end of the hydraulic rod is fixedly connected with the connecting sleeve. The carton compacting device has the advantages that in the carton compacting process, through pressure equalizing and buffering of the pressure buffering assembly, negative pressure air exhaust gap discharging and resistance reducing, lateral protection restraining deformation and repeated tamping successive exhaust plastic deformation, the interlayer fitting degree and uniformity of paperboards can be synergistically improved, and the higher compression ratio and the lower rebound rate are achieved.

The embodiment of the present application relates to the field of precision machining technology, and discloses a high-precision aluminum alloy stamping process and die design method, which comprises the following steps: predicting material data of aluminum alloy to be processed according to experimental data of the aluminum alloy; the material data comprises material flow, springback and stress distribution data; simulating and predicting a die surface for compensating springback according to the material data of the aluminum alloy to be processed, so as to manufacture a stamping die; determining the spraying thickness of a lubricant according to the composition of the lubricant, the inner surface structure of the stamping die and the material data of the aluminum alloy to be processed; spraying the lubricant on the surface of the aluminum alloy to be processed according to the spraying thickness; step-by-step stamping the aluminum alloy to be processed; springback calibration is performed on the stamped aluminum alloy, so as to obtain calibrated aluminum alloy; after trimming the calibrated aluminum alloy, a formed aluminum alloy is obtained. The embodiment of the present application effectively reduces the springback problem in the machining process and reduces the trial and error cost.

The invention provides 450MPa-grade hot-dip galvanized low-density steel with low yield ratio and high corrosion resistance and a manufacturing method thereof. A steel plate comprises the following components in percentage by weight: 0.04%-0.06% of C, 0.25%-0.4% of Si, 1.4%-1.5% of Mn, 3.3%-6.5% of Al, less than or equal to 0.010% of P, 0.01%-0.03% of S, 0.01%-0.015% of RE and the balance of Fe and inevitable impurities. The manufacturing method of the steel comprises the steps of blast furnace molten iron pretreatment, converter steelmaking, continuous casting, hot continuous rolling, acid pickling, cold rolling and hot galvanizing. The steel structure is delta-ferrite, alpha-ferrite, martensite, retained austenite and sulfide, the content of the martensite is 3.5-5%, the sulfide is composed of a small amount of MnS and RE-S-O which are distributed in a dispersed mode, the small amount of MnS is separated out in the ferrite and the martensite in a dispersed mode, and the RE-S-O is distributed along the ferrite grain boundary.

The invention discloses application of a nutritional composition containing alpha-hydroxyisocaproic acid in weight management and blood fat improvement, and belongs to the fields of biological medicine manufacturing, biological medicine application and functional food development. The nutritional composition comprises alpha-hydroxyisocaproic acid and at least one second functional nutritional component, and the second functional nutritional component is preferably selected from one or more of the following components: 1) one or more of tea polyphenol and capsaicin; 2) one or more of beta-glucan, inulin and resistant dextrin; 3) one or more of medium chain triglyceride and sn-1, 3 diglyceride; under the condition of the same intake cycle and dosage, the nutritional composition can significantly improve the weight management effect and reduce related indexes of blood fat through a multi-way synergistic effect, and is combined with GLP-1 drugs or sequentially applied to weight management so as to reduce the risk of weight rise after drug withdrawal.

The application relates to a flattening device for carton production, which comprises a frame body, a conveyor for conveying carton boards arranged on the frame body, a plurality of guide rollers arranged along the length of the conveyor in sequence, a flattening mechanism arranged on the frame body and used for flattening the carton boards, characterized in that a heat source roller is arranged above the conveyor and used for hot pressing the carton boards, and a driving member is arranged on the frame body and used for driving the heat source roller to rotate. The flattening device can be used in cooperation with the heat source roller, the driving member and the flattening mechanism, the carton boards can be hot-pressed before being flattened, the carton boards are subjected to the joint action of heat and pressure, the flexibility of the carton boards is reduced, the resilience of the carton boards is weakened, the required pressure and time for subsequent flattening are reduced, the carton boards can reach the flatness requirement through one or a small number of flattening operations, and the production efficiency is improved.

This invention provides a skeleton oil seal for large interference fit. The outer periphery of its rubber layer has radially protruding first, second, and third stepped sections from top to bottom. The bottom end of the third stepped section has an auxiliary chamfer. The interference fit of the three stepped sections is different, with the second stepped section having the largest interference fit. This simplifies the interference fit installation of the skeleton oil seal and optimizes stress distribution, reducing the maximum shear force. The auxiliary chamfer helps reduce the interference fit during initial press fit, facilitating smooth alignment of the bottom end of the skeleton oil seal and its forward insertion into the bearing. Multiple annular protrusions are provided on the outer sides of the three stepped sections, forming a wavy, concave-convex structure. This reduces the rebound of the skeleton oil seal after assembly, ensuring it is in the correct assembly position. While maintaining sealing performance, this reduces rubber compression, thus preserving rubber elasticity and extending the service life of the skeleton oil seal.

The application discloses a kind of high density low rebound shotcrete and preparation method thereof, it is related to shotcrete field, and preparation method includes: (1), respectively to cementitious material, fine aggregate, coarse aggregate is using MAA model to be packed and the design ratio of each raw material in interior is obtained;(2), cementitious material, fine aggregate, coarse aggregate and the rebounding agent of design ratio obtained according to step (1) are fully mixed, water, water reducing agent is mixed, then by the way of mixing with pressurized air, incorporate accelerator, obtain high density low rebound shotcrete.The application uses early strength rebounding agent, improves the pumpability of shotcrete, accelerates the early hydration of concrete, under the joint action of alkali-free accelerator, rapidly improves the early mechanical properties of shotcrete, improves shotcrete construction efficiency.Multiple close packing is used, and cementitious material, fine aggregate, coarse aggregate respectively form close packing structure, effectively improve the plastic viscosity of paste and the compactness of concrete.

The application discloses a shotcrete rebound-reducing agent and a preparation method thereof. The shotcrete rebound-reducing agent is prepared from the following raw materials in mass percentage: 15-30% of a quick-setting component, 2-5% of a viscosity-increasing component, 10-15% of a reinforcing component, 2-5% of an anti-freezing component, 1-4% of a stabilizer, and the rest of water; and the viscosity-increasing component is a combination of polyvinylpyrrolidone and modified carboxymethyl cellulose. The prepared shotcrete rebound-reducing agent has the advantages of good sprayability, high hourly strength, good anti-freezing and stability, and the like, can improve the working performance of shotcrete, reduce the content of a quick-setting agent and significantly reduce the rebound rate of shotcrete, and has good economic benefits.

The invention relates to the field of tail propeller configuration fixed wing flight devices, in particular to an arresting hook system and a flight device. The arresting hook system comprises an arresting hook arm assembly, a buffering assembly and a retracting and releasing assembly, the arresting hook arm assembly comprises a mounting support, a swing arm and a hook head which are sequentially connected, the swing arm is rotationally connected with the mounting support, and the hook head is used for hooking an arresting rope; the buffer assembly is arranged opposite to the mounting support and comprises a mounting plate and a buffer piece arranged on the mounting plate, and the buffer piece makes contact with the swing arm when the hook head makes contact with the ground and swings to a preset position; the winding and unwinding assembly comprises a driving assembly and a winding and unwinding cable, the driving assembly is arranged on the mounting support, one end of the winding and unwinding cable is connected with the driving assembly, the other end of the winding and unwinding cable is connected with the swing arm after winding around a supporting device on the mounting plate, and the driving assembly can drive the winding and unwinding cable to drive winding and unwinding of the hook head. By means of the structure, the purposes of rapid upward swinging of the hook head, impact buffering and protection of the retracting and releasing assembly are achieved.

The embodiment of the application provides an electric connector and electronic equipment, relates to the conductive technology field, and is used for solving the problem that the existing electric connector cannot simultaneously have multiple performances. The electric connector comprises an elastic bubble core and a conductive layer. The inside of the elastic bubble core comprises a plurality of bubble holes. The conductive layer is wrapped around the periphery of the elastic bubble core, and the conductive layer comprises at least one nanowire layer. The electric connector can simultaneously meet the comprehensive requirements of low impedance, low rebound force, low harmonic, high rebound and a large working range.

The invention provides 980MPa-grade hot-dip galvanized low-density steel with low yield ratio and high corrosion resistance and a manufacturing method thereof. A steel plate comprises the following components in percentage by weight: 0.28%-0.32% of C, 0.74%-0.82% of Si, 2.1%-2.32% of Mn, 4.3%-6.5% of Al, less than or equal to 0.010% of P, 0.01%-0.023% of S, 0.01%-0.012% of RE and the balance of Fe and inevitable impurities. The manufacturing method of the steel comprises the steps of blast furnace molten iron pretreatment, converter steelmaking, continuous casting, hot continuous rolling, acid pickling, cold rolling and hot galvanizing.

The utility model relates to the technical field of filters, and provides an automobile air filter convenient to disassemble and clean, which comprises a shell, one side of the shell penetrates through and is fixedly connected with an air inlet pipe, the other side of the shell penetrates through and is fixedly connected with an air outlet pipe, the top of the shell is provided with an insertion port, and the insertion port is provided with an air inlet. A mounting and dismounting mechanism is arranged in the shell, a retarding mechanism is arranged at the top of the shell, and the mounting and dismounting mechanism is arranged in the shell, so that the filter element mounting plate can be bounced upwards by a certain distance to be separated from the slot by simultaneously pressing two groups of corresponding pressing rods during maintenance work; when the filter element mounting plate is remounted, the filter element mounting plate integrally enters the shell along the insertion opening, and when the bottom of the filter element mounting plate is inserted into the insertion groove, the filter element mounting plate is fixed through cooperation of the arc-shaped block, the telescopic spring and other components, so that the filter element mounting plate is simple to mount and dismount, and maintenance and cleaning are facilitated.

The application discloses a three-way catalyst reducer shaping tool composite die set, which comprises a fixed die seat, the upper end face of which is provided with a lower die seat in parallel, two symmetrically arranged side die frames, which are symmetrically fixed on the fixed die seat and located on the two sides of the lower die seat, an upper stamping seat arranged above the fixed die seat, a first forming die set and a second forming die set, each of which is composed of two model plates arranged in an up-down mode, a die closing mechanism arranged below the lower die seat, and a plurality of reducer units, each of which is arranged at two reducer shaping ports of the first forming die set and the second forming die set. The double die set design of the application combines pre-reducing with accurate reducing, step-by-step forming is realized, size out-of-control caused by single large deformation is avoided, and a micro dynamic spinning shaping force is applied to the inside of the shell, so that the rebound is significantly reduced and the size stability after reducing is ensured.

The utility model discloses a torsion spring and buffer's combination reset device is provided with torsion spring reset mechanism and buffer in the door leaf side part, the torsion spring reset mechanism is equipped with the lower limit position cover, the pivot and upper limit position cover that connect in proper order, and the pivot outside is equipped with the sheath and torsion spring, and is equipped with the locating sleeve and locating block at the upper limit position cover, the one end of torsion spring is connected with lower limit position cover, and the other end is connected with metric shaft sleeve and intermediate limit position cover, the utility model discloses through torsion spring + buffer and realizes the automatic reset of door leaf, and through increasing buffer, the resilience of door is reduced, prevents the back and forth movement of door leaf in the middle position, improves security.

The utility model discloses a cutting device used in a silicone rubber production process, which belongs to the technical field of silicone rubber production and comprises a transmission frame, a cutting fixing frame is fixedly connected onto the transmission frame, and a moving module is fixedly connected onto one side, close to the transmission frame, of the cutting fixing frame. A sliding seat of the moving module is connected with a positioning plate through a bolt, a telescopic cylinder is fixedly connected to the lower portion of the positioning plate, and a cutting structure is installed at the end of a telescopic rod of the telescopic cylinder. Meanwhile, a jacking roller in the jacking structure moves upwards to jack the silicone rubber, the silicone rubber is in a tensioned state through cooperation of the jacking roller and the jacking roller, the rebound phenomenon of the silicone rubber caused by self elasticity can be effectively reduced through the tensioned state, and it is guaranteed that the silicone rubber can be stably and accurately cut in a sliding mode in the transverse moving process of the cutting knife.

The application discloses a kind of core-shell structure fast charging long cycle artificial graphite, its preparation method, negative electrode material and purposes, including, petroleum coke or acicular coke aggregate D50 8~20 μm, non-biomass hard carbon raw material powder D50 1~10 μm and pitch are mixed according to the mass ratio hard carbon: pitch = 1:9~5:5, aggregate: composite coating agent = 95:5~85:15, pre-mixing S1 is carried out at 100~200 DEG C, 160~220 DEG C melt kneading granulation S2, carbonization S3 is carried out at 600~1000 DEG C, and graphitization S4 is carried out at 2800~3200 DEG C, and core-shell structure artificial graphite is prepared by one-step method.The shell layer is composed of uniformly dispersed graphitized hard carbon and soft carbon, and is densely coated outside the artificial graphite core.The first reversible specific capacity of the product is greater than or equal to 350 mAh / g, the first coulombic efficiency is greater than or equal to 93%, and the capacity retention rate at 5.0C / 0.2C is greater than or equal to 84%, with excellent fast charging performance and cycle stability, simple process and low cost.

The application discloses a forming method of a large-size high-temperature alloy curved generatrix single-wall section product, which comprises the following steps: preparing a fan-shaped spread material; rolling and bending the fan-shaped spread material to form a conical cylinder by forming and combining welding; performing flanging forming on the conical cylinder, and the flanging angle is 30-35 degrees; performing bulging forming on the product obtained by the flanging forming; and performing solid solution treatment on the product obtained by the bulging forming, and the shape correction is realized by adopting the method of re-bulging forming, so that the springback is reduced. The application further discloses a forming device of a large-size curved generatrix single-wall section product, which comprises a flanging die, a female die and a bulging die; wherein the flanging die and the female die are used for realizing flanging forming; and the bulging die and the female die are used for realizing bulging forming. The product obtained by the application has high shape and size precision, low forming period and manufacturing cost, and small springback of the high-temperature alloy product after forming, and is suitable for batch production of large-size high-temperature alloy single-wall section products.

The utility model relates to bag making machine technical field especially relates to a kind of edge folding shaping device for clothes bag production of bag making machine, including operation platform, operation platform both sides are fixedly connected with equipment shell, and two groups of equipment shell are embedded with guiding component between the setting, two groups of sewing department and edge folding component are symmetrically set in the side of two groups of equipment shell, and two groups of sewing department and edge folding component are symmetrically set, two groups of edge folding component are embedded and set on operation platform upper end.This application is set through edge folding component, realize the automatic edge folding shaping function of cloth when bag making machine production clothes bag, and device can adapt to the cloth use of different thickness and width, device adopts secondary heating shaping mode, can preheat cloth, avoid high temperature to cause fibre brittleness, and pressurize in stage can fully soften fibre, through extruding plate can ensure that edge folding is attached, reduce rebound, reduce the possibility that cloth is loose when conveying edge folding.

The present disclosure relates to a negative electrode active material for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery including the negative electrode active material, and a rechargeable lithium battery including the negative electrode. The negative electrode active material includes spherical graphite and an amorphous carbon layer around (e.g., surrounding) the spherical graphite, and the negative electrode active material has a volume ratio of 3% or less and an orientation ratio of 90 or less, the volume ratio being a volume ratio of a total volume of pores having a diameter of 100 nm to 1000 nm to a total pore volume.

This invention belongs to the field of ceramic materials and processing technology, and relates to a stable glazed ceramic hot-bent slab and its preparation method. The invention includes a green body and a glaze. The green body adopts a multi-component composite flux system, including 20-25 parts quartz, 18-22 parts calcined kaolin, 18-22 parts potassium feldspar, 22-25 parts sodium feldspar, 8-12 parts wollastonite, 2-3 parts magnesium oxide, 0.2-0.5 parts iron oxide, and 0.1-0.3 parts titanium dioxide. The glaze includes 50-70 parts frit glaze, 0.5-5 parts coloring oxide, 2-6 parts alumina, and 1-4 parts zinc oxide. Through innovative green body and glaze formulations and optimized secondary hot-bending heat treatment processes, this invention achieves a hot-bending temperature ≤1150℃ and a holding time ≤60min. The resulting ceramic hot-bent slab has advantages such as high forming accuracy, no surface cracks, good strength retention, small glaze color difference, and low energy consumption, and has good prospects for industrial application.

The utility model discloses a sand prevention structure of a sand blasting machine, which relates to the field of sand blasting machines and has the technical key points that the sand prevention structure comprises a case, a sand blasting cavity is arranged in the case, an adjusting device is arranged in the sand blasting cavity, a sand blasting head is arranged at the bottom of the adjusting device, buffer seats are arranged on two sides of the sand blasting cavity, and the buffer seats are connected with the sand blasting cavity. The buffer seat is located below the sand blasting head, a mounting cavity is formed in one side of the buffer seat, buffer cloth is arranged in the mounting cavity, the buffer cloth is made of a deformable material, a movable interval is formed between the buffer cloth and one side of the mounting cavity, fixing grooves are formed in the two ends of the mounting cavity, and the buffer cloth is arranged in the fixing grooves. A fixing plate is slidably connected into the fixing groove, and the technical problems that when high-speed sand flow impacts a hard protection plate, part of sand materials are reflected out, the rebounded sand materials fly away in the unpredictable direction, the damage range of a machine box is enlarged, and the risk of hurting operators exists are solved.

The application discloses a laser and gas mist synergistic shape control device for robot incremental forming, which comprises a first robot and a second robot arranged on two sides of a plate respectively; the first robot and the second robot are kept relatively static at all times; the first robot is fixedly provided with a first tool head, a first laser and a first gas mist nozzle, and the first tool head, the first laser and the first gas mist nozzle are kept relatively static at all times; the first laser and the first gas mist nozzle are located on two sides of the first tool head respectively; the area of a coverage area of gas mist sprayed by the first gas mist nozzle is 1.5-5 times the area of an irradiation area of laser emitted by the first laser; the second robot is fixedly provided with a second laser and a second gas mist nozzle, and the second laser and the second gas mist nozzle are kept relatively static at all times; the area of a coverage area of gas mist sprayed by the second gas mist nozzle is 1.5-5 times the area of an irradiation area of laser emitted by the second laser. The device can improve forming precision and forming quality.

The application belongs to the technical field of water quality monitoring, and specifically relates to a full-spectrum water quality monitor, which comprises an angle grinding frame, a control unit arranged on one side of the angle grinding frame, and a cleaning unit arranged on the other side of the angle grinding frame. The unit intermittent extrusion interaction between the stand rod and the coaxial ball seat promotes the embedded plate to move a specified distance towards the ring rail shaft center under the support and guidance of the angle grinding frame, and in the process, the double spherical columns limit the rotating direction of the arrow plate under the moving state, that is, the relative contact between the double spherical columns and the wedge plate at different end surfaces changes the limitation of the double spherical columns on the turning direction of the arrow plate at different time periods, realizes the change of the relative clamping position between the arrow plate and the tooth plate, forms reversible multiple pressing reset feedback, thereby linearly and stably adjusts the vertical distance between the spectrometer lens and the spectrometer lens, avoids the traditional one-time rigid contact scraping processing mode, changes the relative action degree between the angle shovel and the spectrometer lens end surface in a pressure-dividing mode, reduces the impurity particles in the unit operation area of the suspension, and then reduces the interaction degree and the complex environment between the impurity particles and the spectrometer lens end surface, and improves the completeness and smoothness of the spectrometer lens end surface.

The application belongs to the technical field of batteries, and particularly relates to a hard carbon negative electrode material, a hard carbon negative electrode sheet and a sodium-ion secondary battery. The hard carbon negative electrode material comprises first hard carbon particles, second hard carbon particles and third hard carbon particles; the first hard carbon particles are multi-angled hard carbon particles, the second hard carbon particles are few-angled or non-angled hard carbon particles, and the third hard carbon particles are obtained by heating treatment of the first hard carbon particles, the second hard carbon particles, a carbon source and a hot melt salt. The application uses different types of hard carbon particles to obtain the hard carbon negative electrode material, enhances the close contact of different hard carbon negative electrode materials in the hard carbon negative electrode sheet and the particle slip during cold pressing, reduces the rebound after cold pressing of the composite hard carbon negative electrode sheet, improves the compaction density of the composite hard carbon negative electrode sheet, and thus improves the volume energy density of the battery.

The utility model relates to the technical field of dining chairs, and discloses a dining chair with a cushion adjustable in hardness, which comprises a chair seat, the top of the chair seat is fixedly connected with connecting leather, the top of the connecting leather is fixedly connected with the cushion, the top of the chair seat is fixedly connected with a back cushion, and the bottom of the cushion is provided with a buffer mechanism. The adjusting and fixing mechanism comprises an adjusting assembly and a fixing assembly, through the arranged adjusting and fixing mechanism, a pulling plate is manually pulled, the pulling plate synchronously drives a limiting block to be completely separated from a limiting sleeve, pressing plates on the two sides are pressed by two hands, then the limiting block is pushed to move towards the interior of a connecting sleeve, and at the moment, a sliding sleeve is synchronously driven to move; and the connecting plate synchronously drives the cushion to move downwards, so that the hardness of the seat is changed, the springback space of the second spring is reduced, the springback effect of the cushion is reduced, manual bending and twisting are not needed in the adjusting process, the head of a person is prevented from being collided, and rapid adjustment and use are facilitated.

The invention relates to the technical field of medical apparatus and instruments, in particular to an inner cylinder type airflow rotating jet dosing device which comprises a medicine storage cavity used for storing medicine, and the medicine is a powdery substance or a liquid substance; the medicine storage cavity is provided with a medicine outlet; the rotational flow generating structure is communicated with the medicine storage cavity and is used for guiding air flow into the medicine storage cavity to form rotational air flow so as to drive the medicine to rotate; and the first gas conveying pipe is communicated with the rotational flow generating structure. The rotational flow generating structure is arranged in the medicine storage cavity, air flow is guided into the medicine storage cavity to form rotational air flow, then medicine is driven to rotate, and the medicine has sufficient angular momentum. The medicine with the angular momentum has the normal momentum and also has the angular momentum, and when the medicine is in contact with a wound surface, tangential friction force can generate a drilling effect, so that the medicine can be embedded into tissue gaps more easily, rebound is reduced, anchoring stability is improved, water absorption is faster, a better blood coagulation activation effect is achieved, a firmer physical barrier is achieved, and the optimal curative effect is achieved.