38results about How to "Achieve homogenization" patented technology

The invention relates to the technical field of automatic loading and logistics control, in particular to an automatic powder loading device based on visual identification, which comprises a visual identification module, a flexible grabbing module, a transfer module and a stacking module, the form, internal distribution and material characteristic data of the powder bag are obtained through a multi-mode sensor, a grabbing path is generated, and grabbing operation is completed through a flexible manipulator; the transfer module dynamically adjusts the transportation state of the powder bag in combination with path optimization and posture monitoring; the stacking module monitors stress of a stacking layer in real time on the basis of the stacking thermal distribution diagram, adjustment suggestion data are generated, stacking position and angle optimization is completed through a self-correction unit, and the stability of a stacking structure is ensured; the powder loading efficiency, the stacking precision and the long-term stability are remarkably improved, and the method is suitable for efficient logistics management of complex loading scenes.

The invention relates to the technical field of tea leaf detection, and discloses a tea leaf quality grade detection method and system.The method comprises the steps that a tea leaf sample is collected and pretreated; extracting chemical component indexes and physical properties of the pretreated tea leaves, and performing fusion and analysis; and establishing a tea quality grade classification model, inputting characteristics of a tea sample to be detected, outputting a detection result, and generating a tea quality grade report. Through combination of the support vector machine, the gradient boosting decision tree and the improved logistic regression algorithm, the precision of the tea quality classification model is optimized. The dynamic threshold function and the segmented excitation function are introduced to further solve the boundary fuzzy problem of the high-grade tea leaves and the low-grade tea leaves, and accurate judgment of tea leaf grade classification is achieved. And data restoration is carried out through weighted compensation correction and a recheck process, so that the output tea grade report is ensured to have high accuracy and reliability.

The invention discloses a laser powder bed fusion preparation method suitable for local structure regulation and control of complex parts and application. The invention belongs to the technical field of metal additive manufacturing. The method aims at solving the technical problems that an in-situ heat treatment process after powder single-time fusion forming at present is not suitable for regulating, controlling and improving local structures of complex parts, and shrinkage cracks appear after solidification. The method comprises the following steps: repeatedly building 1-4 three-dimensional models by adopting software, superposing the models, and endowing each model with a group of scanning parameters; and repeatedly scanning layer by layer according to the established model by adopting a laser powder bed fusion technology. According to the invention, transformation of columnar crystal orientation isometric crystals is realized. And meanwhile, cracks formed by solidification and shrinkage can be fed, and a crack-free and compact printing component is prepared. And the forming process is simpler and more convenient, and the method is widely applied to the field of forming complex alloy parts and suitable for industrial production.

The invention relates to the technical field of laser, in particular to a macro-energy optical fiber coupling laser for shock peening, which comprises a Cassegrain unstable resonant cavity and a Cassegrain unstable resonant cavity endoscope, the Cassegrain unstable resonant cavity endoscope comprises a plano-convex total reflection mirror and a Gaussian output mirror, and the plano-convex total reflection mirror is connected with the Gaussian output mirror. A laser pulse modulation assembly, a first laser gain assembly and a polarization assembly are arranged between the plano-convex total reflection mirror and the Gaussian output mirror; the frequency doubling assembly comprises a beam shrinking system and a frequency doubling crystal, and a second laser gain assembly is arranged between the frequency doubling assembly and the Cassegrain unstable resonant cavity; the optical fiber coupling assembly with the homogenizer comprises an attenuator and a beam expanding system, a honeycomb mirror is arranged behind the beam expanding system, and a focus lens is further arranged behind the honeycomb mirror; and the optical fiber is arranged behind the focus lens. The problem that high-strength laser pulses damage the inlet surface of the optical fiber and the interior of a core material can be solved.

The utility model relates to a photovoltaic module detection device, and the device comprises a conveying mechanism which comprises a first conveying assembly which is used for conveying a photovoltaic module; the second conveying assembly is located on one side of the first conveying assembly, the second conveying assembly is used for conveying a photovoltaic module, a detection station is formed between the second conveying assembly and the first conveying assembly, and the photovoltaic module is located on the detection station for detection; the light reflecting mechanism is arranged above and / or below the detection station, a light reflecting space is formed between the light reflecting mechanism and the detection station, and the light reflecting mechanism is used for uniformizing light in the light reflecting space; the lighting mechanism is arranged in the light reflecting space, and the lighting mechanism is used for lighting the interior of the light reflecting space; the imaging mechanism is used for obtaining an image of the photovoltaic module; and a probe mechanism. The technical problem that the false detection rate of power-on detection of the photovoltaic module is high is solved, and the technical effect of improving the power-on detection accuracy of the photovoltaic module is achieved.

The application discloses a preparation method, product and device of a square core optical fiber preform. The preparation method comprises the following steps: (1) making the rotating central axis of a Leilo triangular drill bit coaxial with the geometric central axis of a circular cavity cladding sleeve, and drilling a rounded square with the width d as the side length by using the Leilo triangular drill bit to obtain a square cavity cladding sleeve; (2) sleeving a square core rod with the width d' into the square cavity cladding sleeve, and stretching or fusing the square core rod into a circular solid rod; and (3) manufacturing the square core optical fiber preform according to the designed shape size and refractive index profile. The Leilo triangular drill bit is designed according to the width fixing principle of the Leilo triangular structure, and can be used for square hole processing of brittle materials such as quartz glass. The optical fiber prepared by using the square core rod and the square hole sleeve combination drawing reduces the probability of uncontrollable core-cladding interface air line occurrence caused by the original square core rod and circular sleeve combination drawing, and guarantees the reliability of the optical fiber.

The embodiment of the invention provides a flow field optimization method and optimization device of a multi-branch flow channel system and a storage medium, and belongs to the technical field of flow channel flow field optimization. Comprising the following steps: establishing a simulation model of a multi-branch flow channel system; performing flow field uniformity analysis on the simulation model to determine the distribution flow of each branch flow channel of the multi-branch flow channel system; according to the number of branches of the multi-branch flow channel system and the distribution flow and the sectional area of each branch flow channel, the target water inlet area of each branch flow channel is determined; and optimizing and adjusting the distribution flow of each branch flow channel according to the target water inlet area. According to the method, the design process is converted into a systematized and data-driven scientific process, the flow channel design can be quickly and accurately evaluated and optimized by combining model simulation, data processing and an optimization algorithm, homogenization of a cooling liquid flow field in a system is achieved, and then the consistency of a temperature field is guaranteed.

A composite solid-state electrolyte membrane and its preparation method, and a solid-state battery, are disclosed. The preparation method of the composite solid-state electrolyte membrane includes: providing a polymer mother liquor comprising polyvinylidene fluoride, polyimide, and lithium salt; dispersing inorganic ceramic electrolyte powder in a solvent; under a first mechanical shear, adding a first portion of filler pre-dispersion liquid accounting for 5% to 25% to the polymer mother liquor; under a second mechanical shear, adding a second portion of filler pre-dispersion liquid accounting for 25% to 50%; and under a third mechanical shear, adding the remaining portion of filler pre-dispersion liquid to prepare a composite slurry; and forming the composite slurry into a film to prepare the composite solid-state electrolyte membrane. This application improves the dispersion effect and interfacial bonding of the filler in the composite solid-state electrolyte membrane by using a combination of staged feeding and mechanical shear, pre-wetting a small amount of filler to construct a stable initial mixed phase, and then using a portion of the filler to reduce viscosity and improve shear efficiency, thereby promoting the uniform dispersion of the remaining filler.

The invention discloses a preparation method of a large-deformation auxiliary high-homogeneity aluminum-silicon intermediate alloy. The method comprises the following steps: 1, mixing aluminum powder and silicon powder to obtain aluminum-silicon mixed powder; 2, performing cold isostatic pressing on the aluminum-silicon mixed powder; 3, vacuum sintering; 4, removing oxide skin on the surface; 5, carrying out plastic deformation at ultralow temperature after sheathing; and sixthly, homogenizing treatment is conducted, and the high-homogeneity aluminum-silicon intermediate alloy is obtained. According to the method, the powder metallurgy method is combined with ultralow-temperature extrusion severe plastic deformation, intermediate alloy densification and primary silicon crushing and homogenization are achieved under three-way pressure stress, the aluminum-silicon intermediate alloy high in density, refined in grain and high in homogeneity is obtained, and the aluminum-silicon intermediate alloy has the advantages of being high in purity and homogeneity, low in impurity element content and good in mechanical property. The method is suitable for adding materials in the preparation process of aluminum-silicon alloy and titanium alloy.

The invention relates to the technical field of solar cell materials, in particular to a perovskite film, a preparation method thereof and a perovskite solar cell. The preparation method of the perovskite film comprises the following steps: preparing a divalent inorganic salt aqueous solution, wherein divalent inorganic salt in the divalent inorganic salt aqueous solution is inorganic salt corresponding to perovskite divalent cations; performing film-forming treatment on the divalent inorganic salt aqueous solution to obtain a divalent inorganic salt film; the divalent inorganic salt film is placed in a methyl ammonium halide solution for soaking treatment, and after drying, the divalent inorganic salt film is coated with a solution containing formamidine halide salt for annealing treatment, and a perovskite film containing organic-inorganic hybrid perovskite is obtained; wherein the methyl amine halide solution contains straight-chain alkyl ammonium halide with 2-5 carbon atoms. According to the invention, monovalent cations in the perovskite film can be uniformly distributed, so that the perovskite film shows relatively large grain size, relatively low charge trap density and relatively long carrier lifetime, and can be well used in a solar cell.

The utility model discloses a flash lamp shade of eccentric light compensation, include: main part, stretch out, light entrance surface and light exit surface, main part with stretch out department link, light entrance surface set up in the bottom of main part, it has annular fresnel tooth, light exit surface sets up in the top of stretch out department, light exit surface is inclined surface. The utility model has beneficial effect in that, set up the angle of light exit of inclined light exit surface adjustment, suitable for the case of luminescent device and lampshade eccentricity, guarantee light -emitting even, and the annular fresnel tooth of light entrance surface can carry out effective convergence and homogenization treatment to incident light, thereby promote overall light compensation effect.

The utility model discloses a homogenization pretreatment device for waste plastic gasification. The pretreatment device comprises a heating system, a pressing system, a crushing system and a rack. The material pressing system comprises a hydraulic cylinder and a material pressing piston, one side of the material pressing piston is fixedly connected with a piston rod on the hydraulic cylinder, the other side of the material pressing piston is connected with the heating system, a heat source of the heating system comes from high-temperature flue gas generated by waste plastic gasification, and heated and softened plastic is extruded by the material pressing system to pass through a sieve plate to be crushed by the crushing system. After the homogenization pretreatment, the gas is sent to a gasification device; the device disclosed by the utility model is simple in structure, convenient to crush and high in mechanical efficiency, and effectively realizes the homogenization of the waste plastics.

The semiconductor module (1) comprises: an upper branch module (3) including semiconductor chips (7, 9, 11); and a lower branch module (13) including semiconductor chips (7, 9, 11). The lower branch module (13) comprises: a relative arrangement portion (81) in which a lead frame (31) and a lead frame (32) are arranged so that the main surface of the strip-shaped lead frame (31) and the main surface of the strip-shaped lead frame (32) are opposite to each other; and a non-relative arrangement portion (83) in which the lead frame (31) and the lead frame (32) are arranged so that the main surface of the lead frame (31) and the main surface of the lead frame (32) are not opposite to each other.

This invention belongs to the field of environmentally friendly fuel technology, specifically relating to a method for preparing a green, low-carbon, and highly efficient modified fuel for alcohol-hydrogen engines. This invention comprehensively improves fuel performance through a progressive synergistic architecture of a bio-methanol platform – an oxygen-containing combustion-promoting system – a stability barrier – and a low-energy-consumption blending path. Using bio-methanol as a base, it optimizes combustion by compounding with oxygen-containing components such as 2-MTHF and DMM / MF, achieving rapid ignition, emission reduction, and noise reduction. Phase behavior is regulated by isobutanol and polyether-modified silicon, achieving a reversible and stable phase without the need for high-HLB surfactants, preventing deposition and gas lock. A four-fold protective barrier is constructed using GMO and fluorinated silica polyethers, combined with antioxidant synergy to achieve corrosion resistance and aging resistance. The process adopts a sequential design of front-end purification – mid-stage two-phase construction – and end-stage static mixing, achieving low-energy homogenization and ensuring storage, transportation, and operational stability.

The utility model discloses a kind of liquid coating dispersion homogenization devices, including shell and the clamping barrel being set in the shell, the clamping barrel one end is detachably connected with barrel cover, the clamping barrel bottom and barrel cover are all through pivot with the shell inner wall rotationally connected, the shell is equipped with the driving part for driving the pivot rotation, the clamping barrel bottom is provided with magnetic stirrer, and the application is provided with rotating clamping barrel, paint bucket can be moved before paint opening, and then the paint in paint bucket can be stirred by the continuous movement of entire paint bucket, to realize the homogenization of paint in barrel from paint bucket outside.

This invention relates to the field of food technology, and more particularly to a high-casein-content yogurt and its preparation method. The yogurt preparation method provided by this invention includes: mixing raw milk, membrane-separated casein concentrate, and inorganic salts; subjecting the mixed raw material liquid to hydraulic cavitation treatment, then inoculating with a starter culture for fermentation; and, while fermenting to a certain pH level, applying ultrasonic treatment simultaneously with fermentation. The high-casein-content yogurt prepared by the method provided by this invention has suitable viscosity, hardness, and cohesiveness, a smooth and stable texture, good water retention, and a low whey separation rate, exhibiting superior stability and excellent sensory evaluation in terms of taste and aroma. The yogurt provided by this invention is characterized by high protein and high casein content. Due to the high casein content, it is naturally low in fat and high in calcium, with a strong feeling of satiety, better meeting the needs of fitness enthusiasts, those seeking weight loss, and those supplementing calcium.

The invention relates to a heat treatment method of a conductive cable, which comprises the following steps of: spirally winding the cable on a first barrel, and insulating the part, wound with the cable, of the first barrel; and the first barrel is heated and rotated, so that the cable wound on the first barrel is conveyed while being heated by the first barrel. The device comprises a cylinder assembly, a heat preservation box body and a heating part, the cylinder assembly comprises a first cylinder body, and a winding part is formed on the periphery of the first cylinder body and can rotate around the axis of the first cylinder body; the heat preservation box at least sleeves the winding part, and the heating component is arranged in the first barrel. The temperature uniformity can be improved, the stability of the heat treatment process is guaranteed, and then the product performance stability is improved; the heating efficiency and the production efficiency are greatly improved; the temperature range and the temperature precision are improved, the heat energy utilization rate is high, various heat treatment functions such as solid solution, homogenization, annealing, aging and quenching can be achieved, the device can be matched with a production line and can also be independently used off line, and multiple purposes are achieved.

An extrusion device (100) includes a cylinder (120), a raw material supply port (121), a screw (130) built in the cylinder (120), a die (150) disposed at one end of the cylinder, and an adjustment mechanism (154). The raw material supply port (121) supplies a raw material including a resin into the cylinder (120). The screw (130) can melt the raw material by kneading. The die (150) has a plurality of through holes (152) for ejecting a strand composed of the melted resin supplied from the cylinder (120). The adjustment mechanism (154) individually adjusts an ejection amount of the strand ejected from each of the plurality of through holes (152).

The present invention relates to the field of metal heat treatment technology, and specifically discloses a liquid-air intermittent quenching production line for forged grinding balls based on the Internet of Things, comprising at least two liquid quenching devices and at least two air quenching devices, the liquid quenching devices and the air quenching devices are alternately arranged, each liquid quenching device and the air quenching device comprises a screw propeller and a temperature acquisition module, the temperature acquisition module is used to collect the grinding ball temperature at the output end of the corresponding liquid quenching device or the air quenching device, and also comprises a control system, all temperature acquisition modules are connected to the control system, and the control system can control the speed of the screw propeller when the real-time grinding ball temperature collected by the temperature acquisition module deviates from the system preset grinding ball temperature. This scheme is used to solve the problems of inaccurate temperature control and inconvenient backtracking of process parameters in the heat treatment process technology in the prior art, resulting in inconsistent grinding ball quenching quality and low yield rate.

The invention relates to a method for improving grain uniformity of an In718 forge piece and a product thereof. The method comprises the steps that the In718 material is subjected to dip heat treatment at the dip heat temperature T before forging, the dip heat treatment lasts for t, the dip heat time t = t0 * f (T) * g (epsilon), t0 is the standard dip heat time, the standard dip heat time t0 is 0.5-2 min / mm average wall thickness, f (T) is a temperature correction coefficient, when the dip heat temperature T is smaller than or equal to 980 DEG C, the temperature correction coefficient f (T) is 1, and when the dip heat temperature T is larger than 980 DEG C, the dip heat treatment lasts for 2-3 min / mm average wall thickness. When the temperature correction coefficient f (T) is larger than 1, g (epsilon) is a deformation correction coefficient, when the deformation epsilon is smaller than or equal to 10%, the deformation correction coefficient g (epsilon) is 1, and when the deformation epsilon is larger than 10%, the deformation correction coefficient g (epsilon) is larger than 1.

This invention discloses a method for controlling the strength-to-yield ratio of British Standard B500B rebar, including: composition control (controlling the chemical composition of the billet); low-temperature rapid heating (closing the first heating section, controlling the temperature of the second heating section at 1100~1150℃, controlling the temperature of the soaking section at 1150~1200℃, and the billet time in the heating furnace ≤90min); rolling (the rolling line sequentially passes through a flat rolling mill, a roughing mill, an intermediate rolling mill, a pre-finishing mill, and a finishing mill, with multiple sets of quenching water tanks installed in the rolling line, and segmented temperature control of the quenching water pressure and cooling water temperature). The advantage of this invention lies in the systematic process synergy of the entire "composition-heating-rolling-cooling" process, achieving uniform microstructure and precise performance regulation, thereby stably controlling the strength-to-yield ratio.

The invention relates to a semi-solid alloying method for preparing a metal alloy material. The method comprises the following steps: firstly, obtaining a solid-liquid coexistence temperature interval suitable for treatment based on a phase diagram and thermodynamics calculation; then selecting metal raw materials forming the target component, and assembling the metal raw materials into an original blank with a close contact interface; and in the semi-solid temperature interval, a heat-force coupling process is adopted, a solid-liquid coexisting semi-solid structure is formed through local liquefaction induced by diffusion / mass transfer, and macroscopic flow mixing and microstructure reconstruction of the material are enhanced under the shear deformation or stirring effect, so that uniform alloying and structure refinement of the target alloy material are achieved. Compared with the prior art, the method has the advantages that uniform alloying and structure refinement of the alloy material can be realized under the condition that the traditional multi-step series connection of smelting, casting, heat treatment, deformation processing and the like is not needed, the alloy material with uniform components, fine matrix structure and uniformly distributed second phase is obtained, the process flow is simplified, and the energy consumption is low.

The present invention is a denitrification system for heating up by combustion in a flue, including a flue before denitrification, a flue for denitrification treatment, and a control system. A heat exchanger is connected to the flue before denitrification and the flue for denitrification treatment, and a low-temperature flue gas channel before denitrification and a high-temperature flue gas channel after denitrification are arranged in the heat exchanger; an SCR denitrification reactor and a flue gas sampling structure are arranged in the flue for denitrification treatment; a direct-fired heating device is arranged in the flue before denitrification, and the direct-fired heating device includes a plurality of flame burners, the center line of the flame stream of each flame burner is tangent to an imaginary tangent circle, the flame injection direction of each flame burner is arranged opposite to the direction of the flue gas flow, and the flame injection length of each flame burner is arranged to be adjustable. The direct-fired heating device is arranged in the present invention to directly heat up the flue gas, so as to promote the flue gas temperature to reach the temperature range of the ideal denitrification reaction of the catalyst, realize the expected denitrification reaction, meet the ultra-low emission requirements, and improve the economic benefits of equipment operation.

The invention relates to a local sealing and homogenizing type laser quenching device for insulator steel feet. The local sealing and homogenizing type laser quenching device comprises a water tank, a copper inner container, a copper outer cover and a laser transmitter, wherein the water tank and the copper inner container are each of a barrel structure with the upper end open and the lower end closed, the copper inner container is arranged in the water tank in a sleeved mode, and the copper inner container and the water tank are arranged in a spaced mode to form a cooling cavity; the copper outer cover covers the upper end openings of the water tank and the copper inner container; the center of the copper outer cover is provided with a through hole for accommodating an insulator steel pin, the copper outer cover is provided with an incidence hole, a concave lens is arranged in the incidence hole, and the laser emitter is arranged at the incidence hole; a plurality of hemispherical protrusions are evenly arranged on the inner wall of the copper inner container and the lower surface of the copper outer cover respectively. According to the laser quenching device, the insulator steel foot can be subjected to laser quenching in a packaging mode, the to-be-strengthened surface of the insulator steel foot is fully covered by laser through homogenization treatment on the laser, and the qualified rate and the production efficiency of local laser quenching of the insulator steel foot are improved.

The utility model relates to the technical field of electric smelting magnesium oxide production equipment, in particular to a direct current submerged arc furnace for producing electric smelting magnesium oxide, which comprises a base, an electric arc furnace body arranged on the base, a trolley arranged on the base, and an electric smelting furnace arranged on the trolley, a sealing cover is arranged at the side end of the trolley; during use, after materials are filled into the hearth through the hollow electrode through the driving part I and the driving part II by utilizing stable current and voltage of the direct-current power supply, the materials can be rapidly heated and melted in a plasma arc area below the hollow electrode; and then the materials are jointly heated and molten through the bottom electrode, electromagnetic stirring is formed on a molten pool in the hearth through the longitudinally-arranged hollow electrode and the bottom electrode, the reduction reaction rate is increased, and homogenization of the temperature and components of the molten pool is achieved.

The invention relates to the technical field of emulsifying and dispersing systems, and discloses a blending, emulsifying and dispersing system based on bamboo leaf milk and a process thereof.The system comprises a machine body, an emulsifying tank is rotationally arranged on one side of the machine body, a dispersing bin is further arranged in the emulsifying tank, and the dispersing bin is eccentrically arranged in the emulsifying tank; a connecting shaft movably penetrates through the middle of the interior of the dispersing bin in the axial direction, and the top end of the connecting shaft is connected with a flange plate rotationally embedded in the top of the emulsifying pipe; a linkage mechanism for driving the dispersing bin to move upwards along the connecting shaft is also arranged in the emulsifying tank; the linkage mechanism comprises a tooth groove which is formed in the inner wall of the emulsifying tank and is spirally and upwards arranged around the emulsifying tank, and a gear ring which is arranged below the outer part of the dispersing bin in a sleeving manner and is meshed with the tooth groove; through the innovative structural design, the emulsifying efficiency is improved, the production time is shortened, the bamboo leaf pulp is efficiently and uniformly emulsified and dispersed in the milk raw material, and the production efficiency and the product quality are improved.

The utility model discloses an efficient integrated town sewage treatment device which comprises an adjusting tank, an AAO (anaerobic-anoxic-oxic) sewage treatment mechanism is arranged at the rear end of the adjusting tank, and a sedimentation tank is arranged at the rear end of the AAO sewage treatment mechanism; the pre-denitration tank is arranged at the front end of the AAO sewage treatment mechanism, an anaerobic tank is arranged at the rear end of the pre-denitration tank, an anoxic tank is arranged at the rear end of the anaerobic tank, an aerobic tank is arranged at the rear end of the anoxic tank, and conveying pipes are arranged among the adjacent pre-denitration tank, anaerobic tank, anoxic tank and aerobic tank; a first suction pump is mounted outside the conveying pipe; the aeration header pipe is arranged on one side of the AAO sewage treatment mechanism, an air blower is installed at one end of the aeration header pipe, and a first aeration branch pipe and a second aeration branch pipe are arranged at the air outlet end of the aeration header pipe respectively. And pollutants such as nitrogen and phosphorus in water are difficult to effectively remove.

The application provides a laser emission module, a laser radar and an electronic device, and relates to the technical field of lasers.The laser emission module comprises a laser source and a light-emitting-direction light-uniformizing reflection element.The laser source comprises a plurality of point light sources which are spaced apart along a first direction.In a plane formed by the light-emitting direction of the laser source and the first direction, the front surface and the rear surface of the light-uniformizing reflection element have an included angle, the main optical axis of an initial laser beam and the front surface of the light-uniformizing reflection element have an included angle β, and the included angle β and the included angle θ are in two non-parallel planes.The initial laser beam is reflected by the light-uniformizing reflection element to be emitted as a first laser beam and a second laser beam.The second laser beam is offset in the first direction relative to the first laser beam when emitted.The laser emission module provided by the application can homogenize the initial laser beam emitted by the laser through system optical design without increasing the number of optical elements in the laser emission module.

The purpose of the present disclosure is to provide an iron-type golf club head capable of controlling the thickness of a club face part and the ease of operation of the golf club head. An iron-type golf club head according to one embodiment of the present disclosure is provided with a face section, a bottom section extending rearward from the lower edge of the face section, and a bridge section having a first end section connected to the back surface of the face section, and a second end section connected to the rear of the face section at a distance from the face section. The first end portion and the face portion are connected in an oblong region. The first circle has a radius of 10 mm centered on a projection point at which the centroid of the back surface of the face part or the centroid of the front surface of the face part is projected onto the back surface; the second circle has a radius of 10 mm centered on a projection point at which the center of gravity of the golf club head is projected onto the back surface; the two line segments are externally tangent to the first circle and the second circle and are parallel to each other.

The utility model discloses a modifying and homogenizing device suitable for high-hardness powder. The modifying and homogenizing device comprises a cylinder main body (1), a front end cover (2), a rear end cover, a stirrer (3), a feeding hole (4) and a dust removal bag (5), the cylinder main body is horizontally arranged, and a horizontally arranged stirrer is arranged in the cylinder main body; aluminum oxide ceramic chips are attached to the inner walls of the cylinder body, the front end cover and the rear end cover. When the equipment runs, powder is fed from a feed port, an auxiliary agent enters from an auxiliary agent liquid inlet pipe (7), and a gas inlet pipe (6) can be used for filling high-temperature compressed gas into a cylinder main body to accelerate mixing and homogenization; a second one-way valve (8) is installed on the auxiliary liquid inlet pipe, and a first one-way valve (9) is installed on the gas inlet pipe. The aluminum oxide ceramic chips are attached to the inner walls of the cylinder main body, the front end cover and the rear end cover, so that the problem that high-hardness powder abrades the inner wall of the cylinder main body is solved; and an auxiliary liquid inlet pipe and a gas inlet pipe are arranged on the front end cover and the rear end cover, so that powder modification and homogenization are accelerated.