123results about How to "Change trajectory" patented technology

The invention discloses a self-adaption front bumper system used for a vehicle and a control method and relates to the field of safety of vehicles. The self-adaptation front bumper system used for the vehicle can be controlled to extend out to change the movement tracks when a pedestrian in front of the vehicle collides with the vehicle. The self-adaption front bumper system comprises a judgment module, a vehicle speed sensor, a central control module and an execution mechanism, wherein the judgment module is used for judging whether an object in front of the vehicle is a pedestrian and acquiring related information of the pedestrian when determining that the pedestrian is in front of the vehicle, and the related information comprises height information and movement information of the pedestrian; the vehicle speed sensor is used for acquiring the speed of the vehicle; the central control module is used for calculating the extension length relative to a front bumper according to the related information of the pedestrian and the speed of the vehicle; the execution mechanism is used for extending by a certain distance. The invention further provides a corresponding control method. By means of the self-adaption front bumper system and the control method, harm to heads, colliding with the vehicle, of pedestrians with different heights can be effectively relieved.

The invention provides a faceplate of a knitting machine capable of weaving multi-branch tubular fabrics, comprising a track faceplate, the track faceplate contains at least two closed motion tracks, and the junction of each motion track is provided with a track changer for switching between the motion tracks turntable. The track faceplate is composed of multiple arc-shaped tracks and their inner common tangent connections. Cylindrical grooves are arranged between the arc-shaped tracks at the junction of each movement track, and the track-changing turntable is set in the cylindrical groove. The surface is provided with at least two sets of track grooves, and different track grooves form different closed moving tracks when they are connected with the moving tracks on both sides of the cylindrical groove. By rotating the track-changing turntable, the switch between the moving tracks is realized, and the single-ring movement is transformed into a double-ring or multi-ring movement, and finally the weaving of multi-branch three-dimensional tubular fabric is realized. The invention has the advantages of simple structure, convenient operation, one-time weaving and forming of multi-branched three-dimensional tubular fabrics, track changing function through mechanical structure, stable performance and strong versatility.

The invention relates to rolling and fitting equipment for solving the problems of poor processing effect and low efficiency of traditional rolling and fitting equipment. The rolling and fitting equipment comprises a stand and a crane which is arranged at the upper part of the stand and provided with a main driving mechanism and a horizontal clamping mechanism, the horizontal clamping mechanism comprises a main shaft box and a top frame which are arranged on the crane, the main shaft box is provided with a main shaft, the top frame is provided with a top which is arranged on the same horizontal line as the main shaft, and an abrasive box is arranged below the crane and makes reciprocating motion along an arc locus. The invention changes the motion locus of an abrasive so as to increase the acceleration of the abrasive, improve the finishing effect and save the processing time.

The invention belongs to the field of human-computer interaction, in particular to a method which carries out cake-shaped menu selection by the obliquity information of a pen. In the method, the penpoint of the pen equipment is positioned at the center of the cake-shaped menu; based on the three-dimensional direction information of the pen, plane projection mount of the pen equipment in a three-dimensional coordinate and an angle of the plane projection mount and the positive direction of the coordinate axis are gained to realize the selection of the cake-shaped menu. When the penpoint carries out drawing or interaction tasks, in order to trigger a menu option at the same time, the pen is inclined without moving the penpoint, when the top end projection of the pen touches the edge of the menu option, the menu option is selected, the tasks of instruction selection and direction control can be completed by completely freely using a single hand at the same time, thus leading the advantage of selection operation which is carried out when moving or writing to be especially obvious.

The invention discloses a device and method for controlling the motion mode of resonant metal nanoparticles. The device is composed of a laser, a polarization converter, a spatial light modulator, a diffraction optical element, an attenuation slice and an immersion lens. The method comprises the steps that an angular polarized light field with complex distribution of spatial phases is generated through the polarization converter, the spatial light modulator and the diffraction optical element, and the light field is focused through the immersion lens. The metal nanoparticles located within the range of the focal field can obtain balanced positions in the optical axis direction and the radial direction. The particles can be fixed outside the axis or rotate around the optical axis by changing the type of the loaded phase of the spatial light modulator. The motion trail of the particles can be flexibly regulated and controlled through the method of switching the loaded phase. According to the method, strong scattering force generated by resonant metal particles in the traditional optical tweezer technology and the damage of the heat effect to control stability are overcome, and the device and method have great application prospects in a series of fields related to optical control.

The invention relates to a preparation device for micro-nanofibers, and aims to provide a spinning device for preparation of micro-nanofibers. The spinning device comprises a collection system, a spinning system and a continuous feeding system, wherein the spinning system comprises a motor, an insulating coupling and a spinner; rotating shafts of the motor and the spinner are both vertically mounted and connected through the insulating coupling; the main body of the spinner is hollow, and a spinning solution inlet is formed in the upper part of the spinner; a plurality of dispense needles are arranged outside the main body of the spinner in a surrounding manner and communicated with the interior of the spinner through connecting pieces. The spinning device can effectively collect fibers, more equipment can be arranged on a limited field, continuous production can be realized, and the production efficiency is improved; the thickness uniformity of fibrous membranes can be effectively adjusted, the content of beads of an obtained micro-nanofiber web is greatly reduced, and the electrostatic function contributes to improvement of the mechanical property of the fibers.

The invention discloses a drum sand screening machine for construction, which comprises a hopper, a turning arm, a motor I, a motor II, a motor III, a drum, a baffle I, a baffle II, a transmission device, Frame, transmission device frame, baffle IV, chain drive, gear III, gear IV, eccentric wheel; motor I is installed on the side below the hopper, and a turning arm is installed on the side of motor I, and motor I is installed on the bottom of the hopper On the outer wall, the motor I is connected with the turning arm to drive the turning arm to rotate in the hopper. The invention avoids the material blocking in the hopper, ensures the working efficiency of the drum sand screening machine, and prevents the materials moving with the drum from spilling outwards, reduces the manual workload in the later stage, and changes the drum The original motion trajectory realizes better separation of materials and increases the working efficiency of the drum sand screening machine.

The invention relates to an elliptical machine, which comprises a base, a transmission mechanism, a left link mechanism and a right link mechanism, and a lifting device, wherein the transmission mechanism is arranged on the base; the left and right link mechanisms are respectively arranged on the left and right sides of the transmission mechanism; one end of the left link mechanism and one end of the right link mechanism are respectively connected to the transmission mechanism, and the other ends are respectively provided with a left pedal and a right pedal; movement tracks are respectively formed by the left pedal and the right pedal; the lifting device comprises a frame body, two guide rail brackets, at least one movable piece and a driving piece; the driving piece comprises a motor, a screw rod, a screw rod sleeve, a connecting piece and a wire rod; an inner screw thread is formed in the screw rod sleeve and is combined with the screw rod; one end of each movable piece is connected to the guide rail brackets, and the other end is provided with a rolling wheel in contact with a supporting surface or ground; the connecting piece is connected to the screw rod sleeve; and the wire rod is connected to the connecting piece and the movable piece. Through the technical scheme provided by the invention, the movement track of the elliptical machine can be effectively changed, and cost can be reduced and / or stability can be improved.

The invention belongs to the field of environmental engineering, relating to an SDFGD (semi-dry flue gas desulfurization) device. The device comprises an air separating chamber, a dense-phase chamber, a circulating fluidized chamber, a flue gas inlet, a stirring shaft, an ash bucket, a flue gas outlet, a bag-type dust collector, a feeding machine and a roots blower, wherein the dual-layer stirring shaft is arranged in the dense-phase chamber and used for providing more collision chances for an desulfurizing agent and the flue gas and improving the desulfurization efficiency; and the roosts blower is connected with the feeding machine so as to provide fluidized wind power for the circulating fluidized chamber, and a traditional bucket elevator is replaced by the roots blower so as to provide motive power for elevating circulating ashes to arrive at the top of the dense-phase chamber. The device is used for solving the problems of higher energy consumption, repair frequency and cost andthe like for an existing dense-phase circulating flow dry-tower desulfurization device, thus further improving the desulfurization efficiency on the original basis.

The invention relates to the technical field of carbon dioxide laser manufacturing, and discloses discharge tube manufacturing equipment for a medical carbon dioxide laser. The equipment comprises a tube body, wherein a connecting sleeve is movably connected to the surface of the tube body, a push rod is movably connected to the surface of the connecting sleeve, an air bag is fixedly connected tothe surface of the push rod, a sheltering and holding frame is fixedly connected to the position, located at the bottom of the air bag, of the surface of the push rod, a grinding disc is movably connected into the sheltering and holding frame through a compression spring, pressure applying wheels are movably connected into a connecting belt, adjusting pieces are movably connected to the surfaces of the pressure applying wheels, airflow pipes are movably connected into the pressure applying wheels, telescopic rods are movably connected to the surfaces of the airflow pipes, and the ends, away from the airflow pipes, of the telescopic rods are movably connected with spring wires. When the pressure applying wheels stably move on the surface of the tube body, the surface of the tube body is free of cracks, and otherwise, if one pressure applying wheel is sunken or raised, the surface of the tube body is uneven, so that the effect of detecting rigidity and cracks by using the working actionof polishing a discharge tube is achieved.

The invention discloses a device and a method for changing a movement track of a grinding medium of a grinding machine based on a magnetic field. The device comprises a base (1), a coil housing (2), a magnet columns (3), coils (4) and a grinding machine barrel body (5), wherein the grinding machine barrel body (5) is mounted in the coil housing (2), and the position of the central axis of the grinding machine barrel body (5) is the same as that of the central axis of the coil housing (2); the grinding machine barrel body (5) can be rotated around the central axis of the coil housing (2); the coil housing (2) is fixedly mounted on the base (1); the magnet columns (3) are uniformly fixed in the coil housing (2) through bolts; the base (1) is fixed to the ground through foundation bolts; the magnet columns (3) are coiled with the coils (4); the magnet columns (3) are arranged in certain angles in a coiling housing barrel body and used for electrifying the coils (4) so as to obtain the magnetic field as requirement. According to the device, the connection of the coils (4) can be changed to obtain the magnetic field in the direction as requirement; the size of the magnetic field can be realized by changing the intensity of current in the coils (4), and thus the movement track of the moving grinding medium in the grinding machine barrel body can be changed.

The invention relates to an automatic winding device for a tin welding wire and a winding method thereof, and relates to the field of tin welding material processing equipment. The automatic winding device comprises a workbench, a winding assembly arranged on the workbench and used for driving an I-shaped cylinder to rotate, a sliding strip horizontally sliding on the workbench, a connecting striparranged on the sliding strip, a lower guide wheel rotationally connected to the connecting strip and used for guiding the tin wire, and a linkage assembly arranged on the workbench, wherein the linkage assembly drives the sliding strip to do reciprocating motion in the length direction of the I-shaped cylinder. According to the automatic winding device, the winding assembly, the lower guide wheel and the linkage assembly are arranged on the workbench, the winding assembly drives the I-shaped cylinder to rotate, the tin wire can be wound on the I-shaped cylinder, the linkage assembly drives the lower guide wheel to do reciprocating motion in the length direction of the I-shaped cylinder through the connecting strip, so that the lower guide wheel can guide the tin wire, and the tin wire isuniformly wound on the I-shaped cylinder.

The invention discloses an elliptical machine. The elliptical machine comprises a base, a transmission mechanism, left and right linkage mechanisms and a lifting device, wherein the transmission mechanism is arranged on the base; the left and right linkage mechanisms are respectively located at the left and right sides of the transmission mechanism; one ends of the left and right linkage mechanisms are respectively connected with the transmission mechanism and left and right pedals are respectively arranged at the other end; the left and right pedals respectively form motion tracks. The lifting device comprises a frame body, a rising part, two guide rail frames, at least one movable part and a drive part; one end of the movable part is pivoted with the drive part and the other end comes into contact with a support surface or the ground; the rising part is close to one end of the frame body; one ends of the guide rail frames and the rising part are pivoted to a shaft. By means of the elliptical machine, the motion tracks of the elliptical machine can be changed, cost is reduced and stability is improved.

The invention relates to an ionization dust collection device. The ionization dust collection device comprises an ionization device and a dust collection device body. The ionization device and the dust collection device body are arranged in a case body, and the ionization device is located on the front portion of the dust collection device body; the dust collection device body comprises a dust collection body, a left side plate located on the left side of the dust collection body and a right side plate mounted on the right side of the dust collection body; the dust collection body comprises a main skeleton, a dust collection assembly, a negative electrode bus, a positive electrode bus, a first electric conduction piece and a third electric conduction piece; the dust collection assembly comprises a plurality of negative electrode pieces and a plurality of positive electrode pieces which are arranged in a spaced manner and vertically arranged; and the negative electrode bus is electrically connected with the left end of each negative electrode piece, and the positive electrode bus is electrically connected with the right end of each positive electrode piece. Integration design is adopted in the dust collection body, the beneficial effects of being simple in assembling, low in cost, safe, reliable, free of ozone and discharge noise, high in dust collection efficiency, easy to clean and the like are achieved, the manufacturing technology is simplified, the size is reduced, the weight is reduced, and the cost is reduced.

The invention belongs to the technical field of smelting furnaces, and particularly relates to an aluminum profile smelting furnace. The aluminum profile smelting furnace comprises a smelting furnaceand a combustion chamber. A feeding channel is fixedly connected to one side of the smelting furnace. A material storage channel is connected to the top of the feeding channel. A thrust spring is fixedly connected to an inner wall of the feeding channel. A moving plate is connected to one end of the thrust spring. A top plate is fixedly connected to the top of the right side of the moving plate. AT-type channel is formed in the right lateral side of the moving plate. According to the aluminum profile smelting furnace, the material storage channel, the feeding channel, a gas spraying channel,a communicating pipe and the moving plate are arranged, hot gas in the combustion chamber is guided into the feeding channel, so that the moving plate can push materials into the smelting furnace, andthen the materials are pre-heated by the hot gas in the process of pushing the materials; and meanwhile, the materials in the material storage channel drop as the moving plate is pushed every time, automatic material supplementation, intermittent blanking and raw material pre-heating are realized, and the smelting efficiency and the safety of workers can be beneficially improved.

The invention provides a screw feeding device of a screw driving robot. The screw feeding device comprises a support, an X-axis air cylinder is arranged on the support and is in transmission connection with a movable block, and an air nozzle sleeve is mounted on the movable block. An adsorption nozzle is arranged at the bottom of the air nozzle sleeve, and an air hole is formed in the top of the air nozzle sleeve and communicates with the adsorption nozzle. An air blowing nozzle is further arranged in the support and connected with an air blowing pipeline, and the air hole is connected with avacuum valve through an air pipe. When screws are adsorbed, the adsorption nozzle moves to a screw pre-placed position, and the vacuum valve is opened to provide negative-pressure gas to the air hole;and when the screws are fed in a blown mode, the adsorption nozzle moves to the position over the air blowing nozzle, and the vacuum valve is opened to provide positive-pressure for the air hole. Through the screw feeding device, the screw supplying cost of the screw driving robot is greatly reduced, the structure is simple, maintaining is convenient, and the work efficiency is high.

The invention discloses an intelligent logistics transporting tool. The tool comprises a transfer device and an automatic releasing device; the transfer device comprises a horizontally-arranged fixingplate; a driving wheel is arranged at one end of the fixing plate; a rotating shaft is fixedly arranged on the outer ring of the driving wheel; a driven wheel is rotationally connected onto the rotating shaft; a gear is connected in the middle of the fixing plate through a gear rotating shaft; a rack extends on the outer edge of the driven wheel; a limiting rod is further rotationally connected onto the gear rotating shaft; an abutting part is arranged at the lower end of the limiting rod; and the abutting part abuts against the back surface of the rack to enable the rack to keep meshing withthe gear. According to the transfer device of the tool, the moving track and the transporting distance can be changed through setting of the initial angle of a driving rod, the meshing length of therack can be changed through changing of the rotating radius of the driven wheel, and thus the radian of reciprocating motion of the gear can be changed. Automatic releasing can be realized by the automatic releasing device, and the practical and convenient effects are realized.

The invention discloses intelligent logistics transfer equipment. The intelligent logistics transfer equipment comprises a transfer device and an automatic release device; the transfer device comprises a fixed plate horizontally arranged; a driving wheel is arranged at one end of the fixed plate; a rotating shaft is fixedly arranged on an outer ring of the driving wheel, and is rotationally connected with a driven wheel; the middle position of the fixed plate is connected with a gear through a gear rotating shaft; a rack extends from the outer edge of the driven wheel; the gear rotating shaftis rotationally connected with a limiting rod; a butting part is arranged at the lower end part of the limiting rod; and the butting part butts against the back surface of the rack to keep engagementbetween the rack and the gear. The transfer device can change a motion trajectory and a carrying distance by setting an initial angle of a driving rod, and can change an engagement length of the rackby changing a rotating radius of the driven wheel so as to change a radian of a reciprocating motion of the gear. The automatic release device can realize automatic release to achieve practicability and convenience.

The invention belongs to the technical field of plastic sheets, specifically to an auto lined light plastic sheet, comprising a plate, a cavity, rebounding modules and a buffering modules; a pluralityof the rebounding modules are arranged on the plate, and the cavity is formed on the inside of the plate, and the buffering modules are arranged between two adjacent rebounding modules on the insideof the cavity; the rebounding modules comprise a first elastic plate group, a second elastic plate group, a extrusion spring and a rebounding unit; one end of the first elastic plate group is fixedlyconnected with the inner wall, located above the cavity, of the plate; the second elastic plate group is fixedly connected with the other end of the first elastic plate group; the rebounding unit is arranged inside the second elastic plate group; the buffering modules comprise flat wire springs, a rectangular sleeve and a block, the buffering modules are composed of a plurality of flat wire springs splicing together with each other, and the flat wire springs at the two ends of the buffering modules are respectively connected with an adjacent first elastic plate group. The invention may improvethe buffering efficiency of the plate and extend the service life of the plate.

The invention provides a preparation method for a heat-insulating material, and specifically relates to the technical field of heat-insulating materials. The preparation method comprises at least twosupport rods, wherein rotating shafts and through holes matched with the rotating shaft are arranged / formed on the support rods; first rotating disks and second rotating disks are arranged at the twoends of the rotating shafts; first connecting shafts and second connecting shafts are arranged on the other sides of the first rotating disks and the second rotating disks respectively; a support plate is arranged on one of the support rods; a motor is arranged on the support plate; an output shaft of the motor is connected with the first connecting shafts; a roller is arranged between the secondconnecting shafts; a feeding and discharging hole is formed in the roller; fixed shafts are arranged at the two ends of the roller; a first gear and a second gear are arranged on the fixed shaft and the second connecting shafts respectively; connection belts are arranged between the fixed shafts and the second connecting shafts; a fixing rod is arranged in the roller; and a flipping board is arranged on the fixing rod. Through adoption of the preparation method for the heat-insulating material, the grinding effect and grinding efficiency of the heat-insulating material in the preparation process can be improved, and the production quality and production efficiency of the heat-insulating material are improved.

The invention relates to the related field of glass processing, in particular to a flexible glass cutting device which comprises an installation frame, a cutting mechanism, an extrusion mechanism, a glass fixing mechanism and a convenient pushing mechanism. The cutting mechanism is installed on the extrusion mechanism in a sliding mode, and the extrusion mechanism is fixedly installed on the installation frame. The glass fixing mechanism is fixedly mounted on the installation frame, and the convenient pushing mechanism is fixedly mounted on the glass fixing mechanism. The device has the function of cutting glass with different sizes and thicknesses, has the function of cutting circles with different diameters, has the function of correcting and fixing the position of the glass, and has thefunction of conveniently pushing the glass on an operation table.

The invention relates to the technical field of toys, and discloses pet dog toy sound auxiliary equipment with multiple motion tracks. Acting plates are movably connected with the left end and the right end of a body, a rotating rod is movably installed on the right side of a bottom plate, and auxiliary strips are movably installed on the upper side and the lower side of the rotating rod. According to the pet dog toy sound auxiliary equipment with the multiple movement tracks, when a supporting strip pushes the acting plates to move upwards, the supporting strip is changed into a vertical shape from a default inclined shape, the supporting strip can extrude a pushing strip in a certain direction, and a buffer spring plays a role in damping and buffering; the pushing strip is pushed by the supporting strip to move in the direction close to a core strip, the pushing strip pushes two bell blocks to be close to each other gradually, the bells in the bell blocks touch each other and make a sound, so that a dog resonate to stimulate the hearing of the dog, the equipment has the effect of relieving the loneliness psychology of the dog again, and the mood of the dog is pleasant.

The invention discloses a device and a method for improving the uniformity of an electroplated film. The device comprises an outer cavity; a cathode is arranged on the upper part in the outer cavity and is connected with a wafer; a rotating magnetic field generating unit is arranged above the wafer, and the rotating magnetic field generating unit is used for generating a rotating magnetic field; an anode chamber is formed in the bottom in the outer cavity, an anode is arranged in the anode chamber, and a diffusion film is arranged at the top of the anode chamber. The method comprises the following steps that a rotating magnetic field is formed; target ions in the electroplating liquid are subjected to the action of the rotating magnetic field in the electroplating process, and spiral current is formed on the surface of the wafer; and the equipment comprises the device and / or the device for implementing the method. The technical problem that the uniformity of films at the center and the edge of the wafer is different in the electroplating process is solved.

The invention belongs to the technical field of aluminum formwork system accessories, and discloses a square tube buckle. The square tube buckle comprises a main seat, a pin assembly and an insertingpiece. The main seat comprises a seat stand plate in a rectangular shape as a whole, a first seat flat-plate and a second seat flat-plate, wherein the first seat flat-plate and the second seat flat-plate are arranged on two opposite side faces of the seat stand plate respectively. The seat stand plate is provided with a pin hole penetrating through the seat stand plate, and the pin assembly is inserted into the pin hole. A first inserting piece hole is formed in the end, away from the pin assembly, of the first seat flat-plate in a penetrating mode. A second inserting piece hole penetrating through the second seat flat-plate is formed in the position, facing the first inserting piece hole, of the second seat flat-plate. The inserting piece penetrate through the first inserting piece hole and the second inserting piece hole at the same time. A pin piece comprises a supporting plate and a clamping plate connected with each other. Compared with correlated technologies, the main seat of the square tube buckle is provided with an avoiding notch, and thus the square tube buckle can adapt to aluminum formworks with different edge rib structures, meanwhile, the moving track of the inserting piece is changed, so that the service life is prolonged.

The invention relates to a programmable control flexible actuator, comprising a flexible bilayer film, a clamping foil and and a carbon nanotube layer. The flexible bilayer film comprises a polydimethylsiloxane layer and a carbon nanotube layer which are laminated; the two groups of strip-shaped clamping foils are used for clamping a combined body of the flexible bilayer film; the two groups of clamping foils are wound from one side of the carbon nanotube layer and reach the other side of the carbon nanotube layer after passing through the polydimethylsiloxane layer; the clamping foil on the surface of the carbon nanotube layer is of a two-section structure with the middle broken. The two groups of clamping foils are obliquely arranged on the flexible bilayer film and are parallel to each other. According to the programmable control flexible actuator and a preparation method thereof, two groups of clamping foils are clamped on the flexible bilayer film, and when laser irradiation is carried out on the flexible bilayer film, the crawling distance of the flexible bilayer film is increased, and meanwhile, an offset is small, so that the original movement track is changed, and various requirements in actual life can be met; the stability of a flexible bilayer film structure can be enhanced under a condition that a flexible bilayer film material is not damaged.

The invention discloses concrete mixing equipment for water engineering construction. The concrete mixing equipment comprises a frame and a fixed rear seat. Wheels are arranged at the position, closeto the middle, of one side of the frame. A handle is fixedly mounted on the outer surface of the rear end of the frame. A handrail is fixedly mounted at one end of the handle. A supporting frame is fixedly mounted at the other end of the handle. An axle is arranged between the wheels. A rotating shaft is fixedly mounted on the outer surface of the front end of the fixed rear seat. A motor protection shell is fixedly mounted on the inner side of the handle. An electromotor is fixedly mounted on the outer surface of the lower end of the motor protection shell. A tank body is arranged at one endof the rotating shaft. The concrete mixing equipment for water engineering construction has the beneficial effects that the concrete mixing equipment for water engineering construction can be moved conveniently, the mixing efficiency can be improved, the interior of the equipment can be cooled, the structure is simple, and use is convenient.

The invention discloses a two-way weight-reducing track vehicle supporting device which comprises multiple swing arms connected to a main trolley frame or a walking system support through hinging supports. The swing arms are connected with the swing arms through torsion dampers. Two supporting wheels are symmetrically connected to the lower portion of each swing arm through bearings and cooperatively connected with the inner side of a track. Through swinging motion of the swing arms, the longitudinal impact and the ground normal impact of a track vehicle can be buffered and absorbed.

The invention discloses a high-throughput rice seed sorting device. According to the seed conveying direction, the high-throughput rice seed sorting device comprises a seqencing and feeding unit, a detecting and sorting unit and a guide groove unit communicating with an external seed collecting container, and further comprises a photographing unit, a device substrate and a control system; and the seqencing and feeding unit is used for seqencing and conveying seeds and is provided with a conveying and transferring channel communicating with a material box, the control system is used for sensing the positions of the seeds through a pressure sensor connected to the detecting and sorting unit, and the control system controls the photographing unit to collect image information of the seeds in real time. Staggered supporting rods are adopted in a detection area, and the seeds continuously collide with the supporting rods in the falling process, so that the speed and posture of the seeds are changed, then multi-angle real-time imaging of the seeds in the falling process can be achieved, and the imaging reliability is improved; and meanwhile, due to collision in the falling process, the falling speed of the seeds is reduced, and the requirement for high-speed image processing performance is lowered.