58results about How to "Reduce separation" patented technology

There is disclosed an accommodating intraocular lens for implantation in an eye having an optical axis. The lens comprises an anterior portion which in turn comprises an anterior viewing element and an anterior biasing element. The lens further comprises a posterior portion which in turn comprises a posterior viewing element in spaced relationship to the anterior viewing element and a posterior biasing element. The anterior portion and posterior portion meet at first and second apices of the intraocular lens. The anterior portion and the posterior portion and / or the apices are responsive to force thereon to cause the separation between the viewing elements to change. Additional embodiments and methods are also disclosed.

An axial-flow wind wheel comprises three blades set on a hub, wherein, the end area of the blades is dishing toward to the costal air-in direction; the three blades use the rotary central axis of the wind wheel as center each other and they allocate equal-spaced or unequal-spaced in the 120degree+-15degree. The external diameter of the axial-flow is defined as D2, the hub diameter is defined as D1, the height of the blade Rm is defined as (D2-D1) / 2, the circumference diameter in which there is the beginning dishing place A is defined as D3, (D3-D1) / 2=(0.10-0.47)Rm. Since the high-middle part of the trailing edge change the distribution of pressure of the blades before the blade root part, the high pressure draught compartment of the blades flow direction low pressure surface advanced to make local pressure ascending, to reduce boundary layer separating, to make the boundary layer turn into turbulent flow before getting the front of the blade end, to reduce convolution noise and rotor wake, thereby having low noise and big air quantity.

A guide track (3A) includes a guide rail (31) having a guide groove (31a) opened upward in which the pair of guide wheels (23) inserted, and is formed with a pair of guide surfaces (31b) for causing each of the pair of guide wheels (23) to roll at both sides of the traveling course in a width direction; conductor rails (32) that are placed at both sides of the outside of the traveling course in the width direction with respect to the guide groove (31a) to perform contact electricity supply by pressing a power collection shoe (43) of a power collector (4) of the track-based vehicle; a first insulator (33) that is formed of an insulation material and supports the conductor rails (32) with respect to the guide rail; and insulation plates (34) serving as insulation materials that are provided at both sides of the conductor rail (32) in the width direction, and are provided in parallel to the conductor rail (32) and in parallel to a pressing direction of the power collection shoe (43) so as to prevent a short circuit due to contact with the conductor rail (32) in a vertical direction.

A circuit board (1) is provided comprising a plurality of insulating layers, at least one ground layer and at least one layer comprising signal traces. The circuit board comprises at least a first conductive via (17) and a second conductive via (17). The first conductive via and the second conductive via penetrate through at least a first insulating layer of the plurality of insulating layers and are connected to a signal trace. The first conductive via and the second conductive via are arranged adjacent each other. At least in the first insulating layer the first conductive via and the second conductive via are separated in a first direction of separation (R) by a first adjustment portion comprising a dielectric material property different from the first insulating layer.

There are provided ester polyols prepared from the esterification of ozone acids and branched primary polyols. There are also provided ester polyol esters prepared from an ester polyol of the invention and further esterifying the ester polyol with at least one carboxylic acid to produce at least one ester polyol ester. There are also provided rigid or flexible foams prepared using the ester polyols and / or ester polyol esters of the invention. There is also provided a coating prepared from the ester polyols and / or ester polyols esters of the invention.

The invention discloses a method for cleaning barbary wolfberry fruit. The method comprises the following steps of: spreading the barbary wolfberry fruit on a mesh screen conveying belt, flushing the barbary wolfberry fruit with sodium carbonate aqueous solution, and flushing with water to finish cleaning the barbary wolfberry fruit; and performing vacuum drying to avoid the phenomenon of surface hardening on the surface of the barbary wolfberry fruit which is easily caused by normal-pressure drying, In a normal-pressure hot air drying process, a fluid boundary layer is formed on the surface of barbary wolfberry fruit, heated and vaporized water vapor is diffused into the air through the fluid boundary layer, and internal moisture of the barbary wolfberry fruit moves towards the surface, wherein if the moving speed of the moisture is lower than the evaporating speed on the surface of the boundary layer, a water film on the boundary layer is broken, and a local crack phenomenon occurs on the surface of the barbary wolfberry fruit and expands to the entire outer surface, so that surface hardening is formed. During vacuum drying, the internal and external temperature gradient of barbary wolfberry fruit is small, and solvent water moves independently under the reverse osmosis action, so that the dissipation of active ingredients in barbary wolfberry fruit is reduced.

The invention discloses a bathroom shower room chassis, and relates to the field of interior decoration. According to the technical scheme, the chassis comprisesan integrally arranged marble bottom plate, the marble bottom plate is provided with a floor drain, the marble bottom plate is further integrally provided with a waterproof ring, the waterproof ring is formed by cutting the marble bottom plate, the outer side wall of the waterproof ring is flush with the outer side wall of the marble bottom plate, and the waterproof ring has a thin wall thickness of 5-20 mm. Afilling seam between a tile and a base and a beautiful seam are not soaked in the water for a long time,the time and water required for the water to penetrate are reduced, so that the water does not easily seep the seam between the tile and the base, the shower room base has good waterproof performance, and the effect thata wallbody does not easily get mildewed or breed bacteria is achieved.

The invention discloses a structure for shell separation between missiles and rocket stages, comprising a separation shell (1), a circumferential shield (2), an axial shield (3), and a T-shaped shield (4) , the flexible detonating cord assembly (5) and the T-shaped detonating assembly (6); the circumferential shield (2), the axial shield (3) and the T-shaped shield (4) respectively connect the corresponding detonating cord assembly It is fixed on the inner side of the separation shell (1) to form a continuous and interlinked flexible detonating cord cutting structure in the circumferential and axial directions. The invention arranges flexible detonating cord components in the circumferential and axial ways of the separation shell, and connects them through the T-shaped detonation transmission component, which can combine the two operations of flame exhaust and interstage separation, and cut the cutting shell instantly at the same time The number of petals makes the separation sequence simple, reduces the separation links, and has a simple and reliable structure.

The invention provides a method for reducing zinc ash and zinc residues in a zinc pot. Alumina ceramic beads with the diameters phi of 7-15mm are added to the surface of zinc in the zinc pot, and are densely and uniformly tiled on the zinc surface in a three-layer or four-layer manner, and the thickness is about 20-45mm. The method has the following advantages: the heat loss can be reduced and the oxidation can be prevented because the alumina contained ceramic beads have the characteristics of anti-oxidation function, small heat conductivity, high melting point, small specific gravity, and no reaction with molten zinc. Alumina has an iron removal function, so the formation of iron impurities of the zinc pot is reduced. The beads which are balls can be pushed away by workpieces, and do not adhere to the workpieces. The method well controls the generation of the zinc ash and the zinc residues in the zinc pot.

The invention discloses a portable multi-cavity electronic anorectal mirror with balloon dilatation, and belongs to the field of medical instruments. The anorectal mirror comprises an outer tube and an inner tube; the left end of the inner tube penetrates through and is slidably connected to the left end of the outer tube, and the outer side of the inner tube is in threaded connection with a threaded sleeve; a balloon body is fixedly connected to the outer side of the threaded sleeve, an inflation ring fixedly connected with the balloon body is embedded into the balloon body, a connecting pipe is inserted into the inflation ring, the right end of the connecting pipe penetrates through and is slidably connected to the interior of the inner pipe, and a micro camera fixedly connected with the inner pipe is embedded into the left end of the inner pipe; and cold light lamps which are uniformly distributed are fixedly mounted at the left end of the inner pipe. According to the anorectal mirror, the discomfort and fear of a patient are reduced while observation by medical staff is facilitated, and the anorectal mirror is convenient to store and carry after use.

The invention relates to the technical field of logistics appliances, in particular to a simple goods storage basket making goods convenient to separate for logistics. The simple goods storage basketcomprises a goods storage basket main body, and the goods storage basket main body comprises a bottom frame basket body with an opening in the upper end surface; a square-shaped frame is arranged on the periphery of the opening in the upper end of the bottom frame basket body and is composed of a front frame body, a rear frame body, a left frame body and a right frame body; guide rail grooves arecorrespondingly formed in the front frame body and the rear frame body; a plurality of separators are arranged on the guide rail grooves and comprise separation plates, and the separation plates are rectangular; rectangular strip-shaped grooves are formed in the surfaces of the separation plates; strip-shaped batteries are arranged at the bottoms inside the rectangular strip-shaped grooves; intermediate plates are arranged on the strip-shaped batteries; and a plurality of LED lamp beads are arranged on the intermediate plates. The simple goods storage basket has the advantages that classifiedparcel collection can be facilitated, so that later-stage classified parcel collection can be reduced, the logistics process speed can be increased, the working efficiency can be greatly improved, andtherefore the whole logistics speed can be increased, and the logistics turnover cost can be lowered.

The invention relates to an air inlet passage capable of controlling the flow separation of airflow of the air inlet passage, bipolarity plasma exciters are respectively arranged on the lip position and the flowing separation corner position of the engine air inlet passage. When the airflow flows by the position to be subjected to flowing separation, the bipolarity plasma exciters are started, and air contacts the polarity plasma exciter on the position and is ionized to have phase change to form plasma state. The plasma is controlled by an electric field to be adsorbed to the surface of a lip to move backwards, air is continuously converted between plasma state and gaseous state in the movement process, the lip airflow is effectively controlled, and the flowing separation of the airflow is weakened and even eliminated. The air inlet passage has control capability on the airflow close to the wall surface, the separation situation of the airflow can be effectively alleviated, the working efficiency of the air inlet passage can be improved, the engine fuel is combusted adequately and rapidly under the combustion-supporting effect of the plasma, and the engine performance and the engine thrust force can be improved.

The invention belongs to the technical field of new materials, and discloses a polymer-based asphalt anti stripping agent and a preparation method and application thereof; by winding of long chain alkyl groups and asphalt molecular chains, compatibility between asphalt and coarse and fine aggregates can be increased, polyamine structures and epoxy rings in the asphalt anti stripping agent can be firmly attached on the surface of the coarse and fine aggregates so as to bridge the asphalt and aggregate components with high polarity and weak acidity to increase the strong interaction between the asphalt and aggregates, the dosage of the polymer-based asphalt anti stripping agent is less (0.3-5wt.%), a construction process is not changed, difficulty in construction is not increased; the polymer-based asphalt anti stripping agent is in an emulsion form, a separation link in the preparation process is reduced, preparation cost is greatly reduced, and the polymer-based asphalt anti stripping agent is practical and efficient.

The invention discloses a pluggable type male and female cable connector. The connector comprises a first insulation box, a second insulation box and a cable. Limiting mechanisms are arranged on one surfaces, away from each other, of the first insulation box and the second insulation box. Each limiting mechanism is composed of an insulating tube, a supporting plate, two clamping blocks, a threadedinsulating cover and two push blocks. A first connecting mechanism and a second connecting mechanism are arranged in the first insulating box and the second insulating box respectively. The first connecting mechanism is composed of a limiting seat, a male head and a limiting hole, and the second connecting mechanism is composed of a supporting pipe, a plurality of springs, two limiting rods and two vertical rods. When the threaded insulation cover is rotated, the two push blocks can be driven to extrude the two clamping blocks so that the cable is clamped by the two clamping blocks, stabilityof connection between the cable and a male head and between the cable and a female head can be improved, a situation that the cable is separated from the male head and the female head due to externalforce pulling is reduced, and transmission of a circuit is prevented from being affected.

A method of cooling a biological material includes providing a vessel. The vessel includes a generally vertical inner wall disposed at an inner radius from a vertically disposed center axis. The generally vertical inner wall defines in part an interior volume. A medium including a biological material is provided. A plurality of heat transfer surfaces is positioned within the interior volume. Each of the plurality of heat transfer surfaces is oriented generally vertically through the interior volume. Each of the heat transfer surfaces is arranged such that it does not extend into the portion of the interior volume defined by a distance from the center axis greater than 90% of the inner radius. The medium is introduced into the vessel. A heat transfer fluid is circulated through the plurality of heat transfer surfaces. The heat transfer surfaces conduct heat out of the medium.

The invention relates to the technical field of electric power facilities, in particular to a firmly-connected connecting fitting which comprises a top plate and a supporting box, an extension plate is fixedly connected to the middle of the bottom end of the top plate, an extension plate is hinged to the bottom of the front end of the extension plate, and the bottom end of the extension plate penetrates through a long-strip-shaped hole from the top end of the supporting box and extends into the supporting box. The bottom end of the extension plate is fixedly connected with a limiting plate, the top end of the supporting box makes contact with the bottom end of the lengthening plate, limiting devices are arranged in the supporting box in a bilateral symmetry mode, each limiting device comprises a clamping block, and limiting shafts are fixedly connected to the upper portion and the lower portion of the end, away from the extending plate, of each clamping block; the end, away from the corresponding extension plate, of each limiting shaft penetrates through the side wall of the supporting box from the interior of the supporting box and extends out of the supporting box, a connecting plate is arranged on the outer side of the supporting box, and each connecting plate is fixedly connected with the opposite ends of the two corresponding limiting shaft ends; the hardware fitting can be rapidly disassembled, a user can use the hardware fitting conveniently, and practicability is high.

The invention relates to the technical field of cables, and particularly relates to a low-voltage fireproof cable which comprises a cable core, an insulating layer, a protective layer, a protective tube, two connecting blocks and a limiting tube. The limiting tube is fixedly connected with the opposite ends of the connecting blocks, a cutting knife is arranged between the limiting tube and the protective tube and is in a circular ring shape, and positioning holes are formed in the upper portion and the lower portion of the cutting knife. The free end of the limiting tube is fixedly connected with a guide pipe, a receding groove is formed in the end, close to the limiting pipe, of the guide pipe, two springs are arranged in the receding groove, one end of each spring is fixedly connected with the inner wall of the receding groove, two circular plates are arranged in the receding groove, and each circular plate is fixedly connected with the opposite end of the corresponding spring. The other end of each circular plate is fixedly connected with a positioning shaft, and one end of each positioning shaft penetrates through the corresponding limiting tube and is inserted into the corresponding positioning hole. A user can conveniently cut off a cable in time, and the situation that the cable is cut by a cutter is reduced.

The invention discloses a supporting device and a display device.The supporting device is used for supporting a flexible display module. The supporting device comprises a supporting body which comprises a plurality of guide rail assemblies distributed side by side in the first direction, and a supporting roll mechanism which is connected to the guide rail assembly in a sliding mode and comprises a plurality of supporting shafts. The supporting shafts are movably connected to the guide rail assembly, the flexible display module to be supported can be supported through the supporting shafts, and part of the supporting shafts are located on one side of the flexible display module in the thickness direction. The other part of the supporting shafts are located on the other side of the flexible display module in the thickness direction. The risk of display failure of the flexible display module can be reduced.

The invention discloses a time-delay inertial microfluidic power connection switch, belonging to the field of microfluidic chips, comprising a substrate, a cover plate, four metal electrodes, a microchannel and metal droplets. The cover plate is arranged at the upper end of the substrate, and sealing is formed between the cover plate and the substrate; the microchannel is formed in the substrate;and the metal electrodes are arranged on the cover plate. The microchannel comprises a J-shaped liquid reservoir, a capillary valve, a straight channel, a time-delay channel, a U-shaped blocking channel and an air guide channel. The metal droplets are located in the J-shaped liquid reservoir. One end contacts of the four metal electrodes are located in the microchannel, and the other end contactsare located outside the overlap region of the substrate and the cover plate. When the inertial force applied to the switch is greater than a threshold value, the metal droplets flow through the capillary valve to the time-delay channel for time delay, and finally flow to the metal electrodes under the action of the inertial force, and the switch is on. The time-delay inertial microfluidic power connection switch has a simple structure, a stable and reliable contact, and an accurate time-delay function compared with the existing microfluid inertial switch.

The invention provides a glass fiber reinforced polypropylene composition and a preparation method thereof. The glass fiber reinforced polypropylene composition is prepared from 30-60 parts of polypropylene, 1-10 parts of polyethylene, 25-45 parts of glass fibers, 0-5 parts of a flexibilizer, 5-10 parts of a nucleating agent and 5-10 parts of a surface improver through mixing and extrusion granulation. By mixing TAF in the surface improver with silicone, the compatibleness between polypropylene and the glass fibers is improved; and by forming an anchor-like knot, namely a cross-linking point between the glass fibers and polypropylene, the bonding state between the glass fibers and polypropylene is improved, and the separation between the glass fibers and resin is reduced, so that the exposure of the glass fibers is reduced. Besides, by utilizing short-cut glass fibers with a rectangular cross section, a fiber floating phenomenon can be reduced; besides, the short-cut glass fibers can be further mutually matched with the surface improver to jointly ameliorate the surface fiber floating caused after the injection molding of the glass fiber reinforced polypropylene composition and improve the compressive property of the glass fiber reinforced polypropylene composition.

The invention relates to a zero-clearance bracket used for the orthodontics. The zero-clearance bracket used for the orthodontics comprises a bracket body, wherein the bracket body comprises a bottomplate and a foundation support; one side, which is far away from the bottom plate, of the foundation support is provided with an upper spacing wing and a lower spacing wing; on one side, which is faraway from the bottom plate, of the foundation support, an arch wire groove used for placing a correction arch wire is arranged between the upper spacing wing and the lower spacing wing; the foundationsupport is provided with a movable groove of which the length direction is vertical to the length direction of the arch wire groove; the movable groove communicates with the arch wire groove; in themovable groove, a pressing block abutted against the correction arch wire is arranged; and a ligation wire used for tightly pressing the pressing block is jointly sheathed to the upper spacing wing and the lower spacing wing. Through the above arrangement, the pressure of the ligation wire tightly presses the pressing block to the direction of the correction arch wire, and the pressing block reduces a gap between the correction arch wire and the arch wire groove so as to improve a torque and correction force expression effect of the correction arch wire in a correction process. In addition, utilization of fixing parts is reduced, so that the zero-clearance bracket can be more easily operated in the narrow space in the oral cavity, the foreign matter feeling of a user is not obvious, and the comfort level of the user is improved.

The invention discloses a carbon sliding plate preparation method which includes the steps: S1 mixing carbon body (2) raw materials to obtain a mixed material; S2 placing the mixed material into a first die with a shape corresponding to a first tooth portion (3), and performing hot-press forming on the mixed material to prepare a blank product; S3 roasting the blank product to form a carbon body (2) with the first tooth portion (3), and taking out the carbon body (2); S4 preparing a metal bracket (1) with a second tooth portion (4); S5 adhering the bottom of the carbon body (2) and the top ofthe metal bracket (1) by adhesives. The area of the adhesive surface of a prepared carbon sliding plate is increased, adhesive properties are further improved, and separation between the metal bracketand the carbon body is effectively reduced.

The invention relates to the technical field of engineering machinery, in particular to a dustproof net assembly, a cabin door and an engineering machine. The dustproof net assembly comprises a dustproof net and a mounting plate with a first dustproof net mounting port, wherein the dustproof net covers the first dustproof net mounting port. The dustproof net assembly further comprises reinforcingribs, and the dustproof net is mounted on the mounting plate through the reinforcing ribs. The problem that the part, connected to a door plate, of the dustproof net is low in strength so as to be likely to deform and even separate from the door plate under the action of external force can be solved.

The invention discloses a full-automatic immunohistochemical dyeing machine which comprises a dyeing machine body, a machine shell is fixedly arranged on the dyeing machine body, an upper shaft moving mechanism, a middle shaft moving mechanism and a lower shaft moving mechanism are arranged on the machine shell, and the upper shaft moving mechanism comprises an upper sliding block moving in the X-axis direction; an upper driving mechanism for driving the upper sliding block to move along the X axis is arranged on the machine shell; the middle shaft moving mechanism comprises a middle sliding block moving in the Y-axis direction, and a middle driving mechanism for driving the middle sliding block to move along the Y-axis is arranged on the upper sliding block; the lower shaft moving mechanism is arranged on the middle sliding block and comprises a lower output rod moving in the Z-axis direction, a sample adding needle is fixedly arranged on the lower output rod, and a lower driving mechanism for driving the lower output rod to move along the Z axis is arranged on the middle sliding block. The full-automatic immunohistochemical dyeing machine has the effect that only one motor is used for driving the sample adding needle to move in the Y-axis direction and the Z-axis direction respectively.

The invention discloses an angle measuring device and a semi-trailer transport vehicle. The angle measuring device is arranged on the semi-trailer transport vehicle. The semi-trailer type transport vehicle comprises a tractor and a semi-trailer, and the semi-trailer is rotationally connected with the tractor through a traction pin. The traction pin and the semitrailer are static relatively, and the traction pin and the tractor rotate relatively. The angle measuring device comprises a guide wheel and an angle sensor, the guide wheel is arranged on the tractor, the outer wall of the guide wheel is in contact with the outer wall of the traction pin, and the traction pin drives the guide wheel to rotate under the condition that the semi-trailer transport vehicle turns. The angle sensor is used for detecting the rotation angle of the guide wheel so as to obtain the rotation angle of the traction pin and further obtain the relative angle of the semitrailer and the tractor. The angle measuring device is high in measuring accuracy, and meanwhile, the influence on the strength of the traction pin is reduced, so that the safety of the semi-trailer transport vehicle is improved.

The invention relates to the technical field of circuit boards, and relates to a PCB and a potential connection side surface metallization process thereof. The PCB comprises a base material, two circuit layers respectively arranged on two opposite sides of the base material, and a connecting piece arranged on one end, facing a socket, of the base material, wherein two opposite ends of the connecting piece are respectively connected with the two circuit layers. Through the circuit layer and the connecting piece which are connected together, when the circuit board is inserted into the socket, if the circuit board is not aligned with the opening of the socket, the connecting piece firstly abuts against the edge of the opening of the socket, and then the circuit board is inserted into the socket, so that the condition that the circuit layer is in contact with the edge of the opening of the socket is avoided, and the circuit layer is protected; the condition that the circuit layer is separated from the base material is avoided, so that the circuit board can work normally after being inserted into the socket, and the applicability of the circuit board is further improved.

The invention provides an automatic chemical fertilizer bag opening and discharging machine, and relates to the technical field of bag opening and discharging devices. The machine comprises a rack, a cutting assembly, a screening assembly and a discharging conveying assembly, the cutting assembly is arranged at the top of the rack, the discharging conveying assembly is arranged at the bottom of the rack, the screening assembly is arranged on the portion, between the cutting assembly and the discharging conveying assembly, of the rack; the screening assembly comprises a vibrating box, vibrating screens, guide rails, a main shaft and throwing blocks, the vibrating box is elastically connected to the rack, the plurality of vibrating screens are arranged in the vibrating box, the plurality of guide rails are arranged on the vibrating screens, the main shaft is rotationally connected to the side wall of the vibrating box, the throwing blocks are arranged at the two ends of the main shaft, and the main shaft is connected to a first motor. Through the arrangement, a bag and a material can be separated more thoroughly, the number of cakes in the chemical fertilizer treated by the automatic chemical fertilizer bag opening and discharging machine can be reduced, the operation is simple, and the working efficiency is relatively high.

The invention discloses a microfluid inertia grounding switch capable of bidirectionally identifying. The switch comprises a substrate, a cover plate, metal liquid drops, a metal electrode and a microchannel, wherein the cover plate is arranged at an upper end of the substrate, the cover plate and the substrate are sealed, the micro channel is arranged on the substrate, the metal electrode is arranged on the cover plate, the micro channel comprises a rectangular liquid storage pool, a fan-shaped island, a diamond passage, a capillary valve, a direct-through passage and a bending passage, themetal liquid drops are arranged in the rectangular liquid storage pool, a contact at one end of the metal electrode is arranged in the micro channel, and a contact at the other end of the metal electrode is arranged outside a coincided region of the substrate and the cover plate. When an inertia force applied to the switch is larger than a threshold, the metal liquid drops can break through the capillary valve, the metal liquid drops can be completely recovered to the rectangular liquid storage pool after a backblow load and a service load are disappeared, and the switch is switched on by themetal liquid drops and the metal liquid drops cannot be recovered only under an effect of forward inertia force when a pellet rubs with ground. By the switch, an acceleration load can be bidirectionally identified, power is stably connected, and the switch has performance of working under a low-temperature environment.

The invention discloses a feed feeding machine for poultry breeding. The feed feeding machine for poultry breeding comprises a box body, wherein a feed inlet channel is arranged at the upper end of the box body, a feed conveying channel is connected with the lower end of the feed inlet channel, and a crushing chamber is arranged at one end of the feed conveying channel and internally provided witha crushing roller; one end of the crushing chamber is connected with the feed conveying channel, one end of a connecting chamber is connected with the feed conveying channel, and the bottom end of the feed conveying channel extends to the interior of a first gear; one side of the first gear is provided with a feed discharging channel, the top of the feed discharging channel extends to the outsideof the box body, and a through hole is formed in the upper end of the box body; a first gear tooth which is installed on the upper end of the first gear is connected with a second gear tooth which isinstalled on the upper end of a second gear which is installed on the lower end of the first gear, the second gear is internally provided with a shaft sleeve, and the shaft sleeve is internally provided with a motor; the output end of the motor is connected with a rotary shaft, and a support pillar is arranged at the lower end of the outer side of the box body. According to the feed feeding machine for poultry breeding, feed is firstly crushed into small particles, then the crushed feed is discharged to the front of poultry along a track of the feed discharging channel, and the feed feeding machine has the advantages of a simple structure, convenient operation and high efficiency.