33results about How to "Avoid impact force" patented technology

The invention discloses a method for the electromechanical green brick cutting of a brick press. An adobe outlet of an extruder is provided with a sensor for determining the length of adobe strips, the sensor transmits a positioning signal to a command center of a central processor, an actuator receives a strip cutting instruction and a conveying motor starts to convey a green brick material to a green brick cutting position, a green brick pusher moves ahead, a green brick cutting steel wire frame moves downwards to oppositely act on the green brick material with the green brick pusher and quickly cut in the green brick material, then the green brick push lifts quickly to push the bricks to a green brick distributor. An actively cutting in green brick cutter for implementing the method comprises a sensor for detecting the length of the green brick strips extruded by the extruder, a strip cutting mechanism, a green brick strip conveying mechanism and a green brick cutting mechanism; and the sensor is arranged at a position of an extrusion opening of the extruder and is communicated with an electric switch through the central processor and the strip cutting mechanism, the strip cutting mechanism is connected with the green brick cutting mechanism through the green brick strip conveying mechanism, and the green brick mechanism is arranged in a motion mechanism and moves in the opposite direction of the green brick pusher in the green brick strip conveying mechanism. The method can improve the automation of the brick making industry, save energy and reduce work load.

The invention discloses an electron-beam melting and forming method of a magnesium-alloy medical implant. The electron-beam melting and forming method comprises the main steps of: (1) establishing a geometric model of the magnesium-alloy medical implant; (2) carrying out layering discrete on the geometric model; (3) generating a scanning path according to geometric profile information of the implant; (4) laying a magnesium-alloy powder material on a substrate of an electron-beam forming machine and compacting; (5) controlling the current amplitude of electron beams, carrying out selective melting on the powder according to the information of sections of all the layers, stacking in a layer-by-layer manner till forming; controlling process parameters in electron-beam melting and forming, wherein the vacuum degree of a forming chamber is 5*10-4Pa, a Z-shaped scanning mode is adopted, the accelerating voltage is 10-60kv, the current of electron beams is 1.0-4.0mA, the focusing current is 100-400mA, the line scanning speed is 50-150mm / s, and the distance between filling lines is 0.1-0.6mm. The electron-beam melting and forming method disclosed by the invention has the advantages that the whole forming process is simple in procedure and easy in control, the obtained implant is high in compactness and can be widely produced and applied in the medical field.

The invention belongs to the technical field of computer equipment, in particular a cooling chassis, includes a housing and a water cooling device, the housing is provided with an air inlet and an airoutlet, the water cooling device comprises a water flow assembly arranged inside the housing and a water tank and a water pump arranged outside the housing, A water flow assembly includes a circulating water pipe disposed on at least one side of the left and right sides of the housing and a heat dissipation plate disposed close to the air inlet, The radiating plate comprises a plurality of radiating fins arranged in communication, one end of the circulating water pipe is communicated with the water tank, the other end of the circulating water pipe is communicated with the upper end of the radiating plate, and the lower end of the radiating plate is connected with the water outlet of the water pump. The invention combines the two cooling mechanisms to effectively reduce the temperature inthe chassis, and the cooling water adopts the mode of down-going in and up-going out, so that the noise is small.

The invention discloses a construction shovel, which comprises an adjustment box, a sleeve is provided through the top of the right side of the adjustment box, and a connecting rod 1 is movably connected inside the sleeve, and the right end of the connecting rod 1 passes through the The sleeve extends to the outside of the sleeve and is fixedly connected with a rocker. The top of the rocker surface is provided with a through hole 1, and the inside of the through hole 1 is provided with an insertion rod. The right side of the adjustment box is located at A card slot is opened on the top of the sleeve, and the left end of the insertion rod passes through the through hole and extends to the inside of the card slot. The present invention is provided with adjusting box, sleeve, connecting rod 1, rocker, through hole 1, inserting rod, card slot, turntable 1, connecting rod, turntable 2, moving rod, connecting seat, lifting rod, limit cylinder, connection The cooperation of rod two, through hole two, shovel head, connecting column, handle, through hole three, limit rod, limit block, anti-skid sleeve, spring and rubber pad has achieved the advantages of being able to adjust the length of the shovel and being easy to use.

The invention discloses an electric vehicle intelligent power bank alarming device. The electric vehicle intelligent power bank alarming device comprises a shell, a power bank body is arranged in theshell, sound-production alarming devices are arranged on the left side and the right side in the shell correspondingly, a lifting and holding area is formed in the middle of the upper part of the shell, an inserting-connection area is arranged in the position, on the left side of the lifting and holding area, of the shell, a controller is installed in the position, on the right side of the liftingand holding area, of the shell, an oscillation alarm is installed on the left side of the controller, an alarm switch of the oscillation alarm is attached to the lifting and holding area, and a moving door is arranged on the position, close to the alarm switch, of the lifting and holding area. The electric vehicle intelligent power bank alarming device is ingenious in structure arrangement and reasonable in layout, when the alarm is not used, the alarm switch is turned off by moving the moving door, the situation that the alarm is touched mistakenly when the electric vehicle intelligent powerbank alarming device is placed in safe regions such as the home, and consequentially, the normal life is affected is avoided, meanwhile, the moving door is arranged on the side face of the lifting and holding area, thus the position of the moving door is concealed, the moving door is not liable to be found by a thief, and the safe using capability is improved.

The invention provides a battery connector which is arranged in a battery room of an electronic device and is correspondingly contacted with a battery to produce the electrical communication. The battery connector comprises an insulating body base, a plurality of terminal holding grooves which integrally extend from the insulating body base and are vertically arranged in parallel and a plurality of elastic terminals, wherein at least a part of each terminal extends out of the terminal holding groove. The invention is characterized in that at least one L-shaped buffering component which is integrally molded with the insulted body base is formed between the adjacent terminal holding grooves of the insulating body base, the L-shaped buffering component is permitted to incline on the fixed point during stressing, and a contact head which protrudes outwards is formed at one end that bears down on the battery; when no battery is positioned in the battery room, the elongation quantity that the contact head of the L-shaped buffering component protrudes outwards is more than the elongation quantity that the elastic terminal exposes out of the terminal holding grooves, so as to ensure that the battery firstly contacts the contact head for providing buffering when the battery impacts on the battery connector, so that the battery impaction force that all elastic terminals withstand can bereduced.

The invention provides a battery connector which is arranged in a battery room of an electronic device and is correspondingly contacted with a battery to produce the electrical communication. The battery connector comprises an insulating body base, a plurality of terminal holding grooves which integrally extend from the insulating body base and are vertically arranged in parallel and a plurality of elastic terminals, wherein at least a part of each terminal extends out of the terminal holding groove. The invention is characterized in that at least one L-shaped buffering component which is integrally molded with the insulted body base is formed between the adjacent terminal holding grooves of the insulating body base, the L-shaped buffering component is permitted to incline on the fixed point during stressing, and a contact head which protrudes outwards is formed at one end that bears down on the battery; when no battery is positioned in the battery room, the elongation quantity that the contact head of the L-shaped buffering component protrudes outwards is more than the elongation quantity that the elastic terminal exposes out of the terminal holding grooves, so as to ensure that the battery firstly contacts the contact head for providing buffering when the battery impacts on the battery connector, so that the battery impaction force that all elastic terminals withstand can be reduced.

The invention relates to a seat safety mechanism for a motor vehicle. A guide rail is arranged in a cab, and a seat is arranged on a slide plate which is arranged on a guide rail in the vehicle; the front and the rear of the slide plate are symmetrically provided with a pushing cylinder and a pulling cylinder; piston rods of the pushing cylinder and the pulling cylinder are connected with the slide plate through connectors; a working cavity of the pushing cylinder is directly connected with an air bag, and a working cavity of the pulling cylinder is connected with the air bag through an electromagnetic valve; and a travel switch is arranged at the rear part of a bumper and connected with the bumper by a connecting bar.

The invention discloses a rubber fender device which comprises a first rubber body, a fixing end, a fixing bolt, an auxiliary fender bar, an installation fixing plate, a supporting edge, a second buffering bar, a center buffering bar, a fixing plate, a fixing main plate and a fixing side plate. The first rubber body is arranged in a rubber fender body. The auxiliary fender bar is arranged between the first rubber body and a second rubber body, and the fixing end is arranged at one end of the first rubber body. The rubber fender device is scientific and reasonable in structure and safe and convenient to use, the center buffering bar, a first buffering bar and the second buffering bar are arranged so that the buffering capability of a rubber fender can be improved, and meanwhile the energy absorption effect of the rubber fender is also improved; the installation fixing plate is arranged so that a worker can conduct installation more conveniently; a light reflecting bar is arranged so that a warning and prompting function can be achieved on a ship driver; and the auxiliary fender bar is arranged so that the use number of rubber bodies is reduced, and the construction cost and the maintenance cost are saved.

The invention relates to a sewing needle protection device, which comprises a vertical bar and a protection sleeve which is sheathed on the vertical bar. The vertical bar is hollow and cylindrical. A convex lens is arranged at the lower end of the protection sleeve. The sewing needle protection device has the advantages that the structure is simple, the device is convenient to use, a needle bar with a sewing needle can penetrate through the vertical bar and is arranged in the protection sleeve, the external impact force is avoided, an operator is prevented from being stabbed, the arranged convex lens can be used for observing the moving situation of fabrics, the flatness of the fabrics is ensured and the sewing quality is enabled to be good.

The invention relates to a concave-convex rotor motor, which can supply a motor with better sealing, fully burned fuel, simple structure and stable operation. Two ends of cylinder individually comprises the outer end cover, inner end cover, main axle and auxiliary axle; the inner space of cylinder via the middle baffle plate is divided into at least chambers in same structure, while each chamber is in reverse-8 shape and concentric with the main and auxiliary axles; the main axle of each chamber is connected to a convex-teeth rotor with U-shape sheath; the auxiliary axle is connected to a concave-teeth rotor whose teeth root has a rolling sealing sheet; the tops of said concave-teeth rotor and convex-teeth rotor are slide connected to the inner wall of said chamber; the phase difference between two concave-teeth rotors in two chambers and the phase difference are 180 degree / teeth number; and the middle baffle plate has a spark plug and a fire guide hole. The invention has stable operation, lower noise, improved abrasion degree, prolonged service life, reduced fire delay and better safety.

The invention discloses a cooking utensil controlled by a sliding rod. The cooking utensil comprises a shell, a sliding strip assembly arranged in the shell, and a sliding rod exposed out of the shell; the cooking utensil further comprises a connecting base installed on the shell. One of the shell and the connecting base is provided with a sliding groove, the other one of the shell and the connecting base is provided with a sliding block matched with the sliding groove in a sliding mode, the connecting base is connected with the sliding strip assembly in a sliding mode, and the sliding rod isfixed to the connecting base so as to be connected with the sliding strip assembly in a sliding mode through the connecting base. By arranging the connecting base, the connecting base is used for guiding sliding, bearing force and preventing water, the sliding strip assembly can be effectively prevented from being damaged due to stress or water inflow, and the service life is prolonged.

The invention discloses a diode production line which structurally comprises a sliding rail, a workbench, a crystal bonding device, a positioning device, a pin cutting device, a detector, a body and a movable plate. When the diode production line is used, a diode is positioned through mutual cooperation of a connecting plate and a rubber pad, and a diode pin is positioned on a connecting opening, a soft rubber mat and a foam layer are matched to protect diode pins, so that the pin cutting device can quickly and stably cut the diode pins, the pin cutting effect of the diode is improved, multiple diodes are clamped and processed through multiple cavities, and the product quality of the processed diodes is improved.

The invention discloses a bridge pier anti-collision device on a width-limited central separating strip. The bridge pier anti-collision device comprises a steel guardrail and concrete guardrails of the medial strip, the concrete guardrails are located at the two ends of a bridge pier, each concrete guardrail comprises a head-on collision face section, a transition section and a rectangular section, the width of the transition section is gradually increased in the direction from the concrete guardrails to the bridge pier, the small end of the transition section is connected with the head-on collision face section, the large end of the transition section is connected with one end of the rectangular section, and the other end of the rectangular section is detachably connected with the pier steel guardrail. The transition section facilitates vehicle resetting, and the probability that the vehicle collides with the part, higher than the guardrail, of the medial strip pier is reduced; the bridge pier steel guardrail adopts a steel structure with a reinforced back, so that the bridge pier can be protected, and meanwhile, vehicles are prevented from being damaged. And the concrete guardrail is detachably connected with the bridge pier steel guardrail, so that the bridge pier steel guardrail can be conveniently dismounted and replaced after being damaged, the repairing time and cost are saved, the safety risk of recovering central separation strip collision of a locally closed road is reduced, and smooth driving is ensured.

The invention provides an anti-collision mechanism for a power battery of an electric vehicle. The anti-collision mechanism comprises a vehicle frame and a bracket assembly of a power battery pack mounted on the vehicle frame, wherein the front end and the rear end of the power battery pack are respectively provided with a front wheel and a rear wheel, a bracket assembly is arranged between the power battery pack and the frame, the lower end of the frame is provided with an arc-shaped protective plate assembly at the front end of the front wheel, and the lower end of the frame is provided withan inclined protective plate assembly between the power battery pack and the front wheel. The arc-shaped protection plate assembly and the inclined protection plate assembly can push and flatten protrusions on the ground, the protrusions are prevented from damaging a power battery pack and other parts arranged on the frame, the bracket assembly plays a role in fixing, damping and buffering the power battery pack, and meanwhile the power battery pack is prevented from being damaged by the protrusions; and the impact force of the ground bulges which cannot be completely avoided by the two frontguard plate assemblies can be absorbed, so the power battery pack is effectively protected.

The invention relates to a sewing needle protection device, which comprises a vertical bar and a protection sleeve which is sheathed on the vertical bar. The vertical bar is hollow and cylindrical. A convex lens is arranged at the lower end of the protection sleeve. The sewing needle protection device has the advantages that the structure is simple, the device is convenient to use, a needle bar with a sewing needle can penetrate through the vertical bar and is arranged in the protection sleeve, the external impact force is avoided, an operator is prevented from being stabbed, the arranged convex lens can be used for observing the moving situation of fabrics, the flatness of the fabrics is ensured and the sewing quality is enabled to be good.

The invention discloses a chip packaging system, comprising a base, a riser is fixedly connected to the top of the base near the rear side, a No. 1 motor is installed on the rear side of the riser, and the output shaft of the No. 1 motor runs through the riser , and is fixedly connected with an outer cylinder, the top of the outer cylinder is open, the middle part of one side of the outer cylinder is open, and the outer cylinder at the bottom of the middle opening is provided with a bar-shaped outlet; the invention makes the outer cylinder in a horizontal state, and the worker who puts the shell in one On one side, the workers who place the chips are in the middle, and the workers who apply glue and take out the chips are on the other side. Rotate to the vertical state, and the application of the glue will not be affected after being placed vertically. At the same time, the semicircular plate is in the initial heating state during the application process. After the application is completed, the shell and the chip are quickly approached to the heating element. Improve packaging efficiency.

The invention provides a novel anti-collision vehicle chassis, relating to the field of vehicles. The novel anti-collision vehicle chassis comprises a front bumper, a chassis, an arc-shaped support frame, a rear bumper and a support rod, wherein the chassis comprises an intermediate longitudinal beam, a front cross beam and a rear cross beam; the arc-shaped support frame is articulated with the intermediate longitudinal beam and is provided with a cab; the front cross beam comprises a first guide sleeve and a second sliding chute, and a first guide rod and a sliding rod can slide respectively along the first guide sleeve and the second sliding chute which are arranged on the front cross beam; one end of the support rod is articulated with the sliding rod, and the other end of the support rod is articulated with the arc-shaped support frame; and the rear bumper comprises an inclined guide pillar, a second sliding ring sleeves the inclined guide pillar, a second spring is arranged between the second sliding ring and the inclined guide pillar, and the second sliding ring is articulated with the rear cross beam. According to the novel anti-collision vehicle chassis, by tilting the front end or rear end of the cab in a collision process, the collision force is skillfully prevented from directly acting on a driver and passengers in the collision process, thereby ensuring the safety of the driver and passengers.

The invention discloses an electron-beam melting and forming method of a magnesium-alloy medical implant. The electron-beam melting and forming method comprises the main steps of: (1) establishing a geometric model of the magnesium-alloy medical implant; (2) carrying out layering discrete on the geometric model; (3) generating a scanning path according to geometric profile information of the implant; (4) laying a magnesium-alloy powder material on a substrate of an electron-beam forming machine and compacting; (5) controlling the current amplitude of electron beams, carrying out selective melting on the powder according to the information of sections of all the layers, stacking in a layer-by-layer manner till forming; controlling process parameters in electron-beam melting and forming, wherein the vacuum degree of a forming chamber is 5*10-4Pa, a Z-shaped scanning mode is adopted, the accelerating voltage is 10-60kv, the current of electron beams is 1.0-4.0mA, the focusing current is 100-400mA, the line scanning speed is 50-150mm / s, and the distance between filling lines is 0.1-0.6mm. The electron-beam melting and forming method disclosed by the invention has the advantages that the whole forming process is simple in procedure and easy in control, the obtained implant is high in compactness and can be widely produced and applied in the medical field.

The invention discloses a cooking appliance controlled by a slider, which includes a housing, a slider assembly installed in the housing, and a slider exposed outside the housing. The cooking appliance also includes a The connecting seat on the body, one of the housing and the connecting seat is provided with a slide groove, and the other is provided with a slider slidingly fitted with the slide groove, and the connecting seat is slidably connected with the slider assembly , the sliding bar is fixed on the connecting seat, so as to be slidably connected with the sliding bar assembly through the connecting seat. The present invention is provided with a connecting seat, which is used for guiding sliding, bearing force and waterproofing, which can effectively prevent the slider assembly from being damaged by force or water ingress, and improve the service life.

The invention discloses a gear machining fixing device. The gear machining fixing device comprises a base, a driving mechanism, a supporting mechanism, a pushing mechanism and a fixing mechanism for fixing a gear, wherein the fixing mechanism comprises a bottom fixing disc and a top fixing disc, the bottom fixing disc and the top fixing disc are of a separable structure; the supporting mechanism comprises a support, the support is arranged on one side of the upper surface of the base, the support is of an L-shaped structure, the support is connected with the top fixing disc through the pushing mechanism, and a rotating disc is rotated, so that a lead screw rotates, the lead screw moves up and down, the lead screw pushes a movable plate to move, the movable plate pushes the top fixing disc to move downwards, and the gear is clamped and fixed under double-sided clamping of the bottom fixing disc and the top fixing disc; through the arrangement of an gear fixing core, a center hole of the gear can be sleeved on the gear fixing core, so that the phenomenon that the gear shakes can be effectively prevented.

The invention provides a novel anti-collision vehicle chassis, relating to the field of vehicles. The novel anti-collision vehicle chassis comprises a front bumper, a chassis, an arc-shaped support frame, a rear bumper and a support rod, wherein the chassis comprises an intermediate longitudinal beam, a front cross beam and a rear cross beam; the arc-shaped support frame is articulated with the intermediate longitudinal beam and is provided with a cab; the front cross beam comprises a first guide sleeve and a second sliding chute, and a first guide rod and a sliding rod can slide respectively along the first guide sleeve and the second sliding chute which are arranged on the front cross beam; one end of the support rod is articulated with the sliding rod, and the other end of the support rod is articulated with the arc-shaped support frame; and the rear bumper comprises an inclined guide pillar, a second sliding ring sleeves the inclined guide pillar, a second spring is arranged between the second sliding ring and the inclined guide pillar, and the second sliding ring is articulated with the rear cross beam. According to the novel anti-collision vehicle chassis, by tilting the front end or rear end of the cab in a collision process, the collision force is skillfully prevented from directly acting on a driver and passengers in the collision process, thereby ensuring the safety of the driver and passengers.

The invention discloses a rectification container which comprises a main body arranged in an aerosol mixing pipe, a containing cavity is formed in the main body, the main body is further provided witha plurality of rectification holes penetrating through the side wall of the containing cavity, the multiple rectification holes are all located below a top plate of the aerosol mixing pipe, the containing cavity communicates with an aerosol air inlet pipe, the containing cavity is communicated with the aerosol mixing pipe through the rectification holes, the opening direction of the rectificationholes is arranged upwards, the included angle between the rectification holes and the vertical direction ranges from 30 degrees to 65 degrees, and thus aerosol flowing out of the rectification holescan collide with the pipe wall or the top plate. According to the scheme, the mixing uniformity of aerosol is greatly improved.

The invention relates to an auxiliary tool used for packing objects, in particular to a multipurpose cargo protection pad which can prevent stacked objects from scattering. The multipurpose cargo protection pad is used for separating the stacked objects and adding the friction force between the stacked objects and the protection pad. A sheath is divided into a hard sheath and a soft sheath; the surfaces of the front side and back side of the sheath both can be uneven; the surfaces of the front side and back side of the sheath can be provided with a plurality of bulges or nicks; the bulges can be in various shapes comprising spot shapes or hairness shapes; and the surfaces of the bulges or the nicks also can be provided with smaller bulges or nicks. The surface of the protection pad can be provided with small suckers, and a plurality of suckers are arranged together to generate certain adsorption force. The protection pad can be provided with a border, and the border can be upwards bent or downwards extruded. According to the requirement, the protection pad can be deformed into the sheath, a basket and a cover and can be used as the sheath, the basket and the cover.

The invention provides a rapid transportation device taking a pipe as a track. The rapid transportation device includes a pipe structure, a carrier structure, a control system, a brake system, and a driving system. The pipe structure is of an extending pipe structure enclosed by a pipe wall, a unidirectional airflow window with a controllable airflow direction is mounted on the pipe wall, and thecarrier structure operates in the pipe. The carrier structure is of a carriage type structure. Since the unidirectional airflow window is mounted on the pipe structure, the operation resistance of thecarrier structure can be remarkably reduced. Compared with a current rapid transportation device, the rapid transportation device has the advantages of high efficiency, low cost, high speed and highsafety and the like, and can be used for the development of novel rapid transportation devices.

The invention relates to a telescopic sight eyeshade, and in particular relates to a night sight eyeshade for a gun. The night sight eyeshade comprises an eyeshade body made of an elastic material, wherein the eyeshade body has a shell structure of which two ends are open; the opening at one end of the eyeshade body is provided with an ocular joint; the opening at the other end of the eyeshade body is provided with a shading device which can be opened and closed; the shading device is connected with an eye protection device; the eyeshade body has a table shape; the shading device comprises a table-shaped shell made of a material which is the same as that of the eyeshade body; the inner surface of the shell is provided with more than three fan-shaped shading blades which are positioned on the same vertical surface; all the shading blades are closed to form a circle when being not opened; the eye protection device is formed by connecting a first circular truncated cone shaped shell and a second circular truncated cone shaped shell; after the eyeshade is combined with the ocular of the night sight, the eye protection device is pushed through the eye socket, and the shading blades are completely opened, the connecting part is positioned outside the eye spot of the ocular, and when the eye protection device is continuously pushed through the eye socket, the connecting part can be positioned at the eye spot of the ocular.

The invention discloses an electric vehicle intelligent power bank alarming device. The electric vehicle intelligent power bank alarming device comprises a shell, a power bank body is arranged in theshell, sound-production alarming devices are arranged on the left side and the right side in the shell correspondingly, a lifting and holding area is formed in the middle of the upper part of the shell, an inserting-connection area is arranged in the position, on the left side of the lifting and holding area, of the shell, a controller is installed in the position, on the right side of the liftingand holding area, of the shell, an oscillation alarm is installed on the left side of the controller, an alarm switch of the oscillation alarm is attached to the lifting and holding area, and a moving door is arranged on the position, close to the alarm switch, of the lifting and holding area. The electric vehicle intelligent power bank alarming device is ingenious in structure arrangement and reasonable in layout, when the alarm is not used, the alarm switch is turned off by moving the moving door, the situation that the alarm is touched mistakenly when the electric vehicle intelligent powerbank alarming device is placed in safe regions such as the home, and consequentially, the normal life is affected is avoided, meanwhile, the moving door is arranged on the side face of the lifting and holding area, thus the position of the moving door is concealed, the moving door is not liable to be found by a thief, and the safe using capability is improved.

The invention relates to the technical field of polymer batteries, and discloses a polymer battery pole piece ball-milling device which comprises a transmission shaft, a rotating disc is fixedly connected to the top end of the transmission shaft, a collecting ring is fixedly connected to the outer side of the bottom end of the rotating disc, and a movable groove I is formed in the center of the top of the rotating disc; one end of the movable groove I is fixedly connected with strong springs which are evenly distributed, and the other end of each strong spring is fixedly connected with a movable plate. Through the designed moving plate and the fixed plate, when the amount of materials added into the ball milling tank is larger, the overall weight of the ball milling tank pushes the moving plate to move, so that the ball milling tank is gradually inclined relative to the center line, the materials are obliquely spread, the space at the top of the ball milling tank is utilized, more materials can be put into the ball milling tank at a time, and the service life of the ball milling tank is prolonged. And the condition that the impact force and the extrusion force of a single grinding body on the materials are shared by more materials during high-speed rotation of the ball-milling tank is avoided.