63results about How to "Realize nesting" patented technology

The invention discloses a steel bar three-dimensional modeling and automatic calculation method based on a BIM technology. The invention belongs to the field of building information models, the methodcomprises the following steps: firstly, researching a creation method of a novel parameterized component family different from an existing steel bar family on a Revit Stretch platform; secondly, realizing automatic generation of a steel bar detail table based on a parameterized component family, and finally finishing interactive modification with a Revit graph in an Excel table to realize visualmodification of component parameters. According to the invention, modification of geometric information and steel bar information of the component driven by parameters can be realized through creationof a parameterized component family; meanwhile, the nesting problem which cannot be completed by an existing steel bar family can be solved, the steel bar quantity list is automatically generated through parameter design, real-time control over the steel bar quantity is facilitated, steel bar discharging and bin dividing are conducted in a targeted mode, and waste of steel bar tailings is reduced.

The invention discloses a differential snapshot system and a use method thereof. The system comprises a snapshot module and a thin provisioning module. The snapshot module is used for maintaining the dependency relationship of a source volume and a snapshot volume, snapshooting a strategy semantic expression and managing snapshot metadata. The thin provisioning module comprises a resource management submodule used for achieving the resource management functions on snapshots, and the functions comprise resource allocating, resource mapping and resource recovering. The snapshot module and the thin provisioning module are in communication through an interface of a general block layer. The snapshot module sends a data demand or a resource management command to the thin provisioning module to achieve communication. According to the system, semantic snapshooting and physical resource managing are uncoupled, the storage resources can be distributed according to needs, the processing logic of copy on write, redirect of write and write anywhere can be achieved, and the effective utilization rate of the snapshot resources is increased.

The invention provides a CSS compatibility optimizing method. The CSS compatibility optimizing method comprises the steps: inserting a CSS file to a to-be-displayed page, wherein the CSS file comprises a view layout style file in allusion to desktop end Web application and an adjustment style file in allusion to a low version browser; using an element class name preset in the view layout style to name the class attribute of each element in the to-be-displayed page; according to the design request of the current project, adjusting the attribute of the to-be-displayed page; displaying the to-be-displayed page under the different browser platforms of different system environments; and detecting whether the to-be-displayed page satisfies the preset display effect, if not, adjusting the attribute corresponding to the to-be-displayed page. The response-type design for the traditional industry Web application is realized, the support for multi-browser is preferentially considered, the Web page compatibility optimization of the desktop end is focused, the difficulty and time cost of the CSS compatibility optimization are reduced, and the method and system adapt for the different resolution desktops and different browsers.

The invention discloses a polyacid catalyst wrapped by cadmium-based polypyridine macro ring and a preparation method thereof; according to the method, the cadmium-based polypyridine macro ring and polyoxometallate are respectively dissolved in acetonitrile solution, then mutual dripped slowly, stood, and precipitated to obtain the needed catalyst. The catalyst is used in epoxidation of cyclooctene, the conversion rate is as high as 95.11%, and the selectivity is over 95.72%. The catalyst provided by the invention not only retains excellent catalytic performances of the polyacid componnet, can realize the catalyst recovery, improves the shortcoming that traditional polyacid catalysts cannot be recycled, and has the advantages of simple preparation process and high yield.

The invention discloses a cutting device of a cutting test machine. According to the cutting device of the cutting test machine, by arranging a vibration box, a conveying belt set and a feeding mechanism, stalks are conveyed to clamps on a positioning conveyor belt and arranged neatly on the clamps; a conveyor belt body conveys the clamps to positions corresponding to insert tubes; through an overturning and horizontal moving mechanism, the stalks are overturned to the positions over the insert tubes, the stalks fall into the insert tubes to complete material feeding after being released by the clamps, and feeding for the multiple rows of insert tubes can be conducted through the horizontal moving of the overturning and horizontal moving mechanism; a stalk conveying mechanism selectively moves leftwards or rightwards to complete double acting cutter cutting or disc cutter cutting correspondingly, and accordingly, required cutting test data are obtained; and the conveyor belt operates to the reverse side to downwards discharge the left stalks after testing, and therefore a new round of feeding and cutting test is conducted. Automatic stalk feeding and discharging are achieved, the automation degree is greatly improved, the working efficiency is improved, the labor force is liberated, and a tester can concentrate on data monitoring and analysis since manual feeding and discharging are not needed.

The invention discloses an intelligent integrated soil remediation device and method. The output ends of a crushing and screening system, a stepwise remediation material putting system and a liquid putting system of the device are all connected with the input end of a uniform mixing and stirring system, the output end of the uniform mixing and stirring system is connected with the input end of theuniform mixing and stirring system, and the output end of the uniform mixing and stirring system is connected with a discharging system. The remediation method comprises the operation steps of 1, determining remediation materials which need to be put and the water volume; 2, calculating the use quantity of the required remediation materials and the use amount of liquid; 3, starting all the systems; 4, putting soil in the crushing and screening system so that the soil can be uniformly mixed with the remediation materials, the liquid material or water for a reaction, and conveying the remediated soil to a maintenance area for maintenance; 5, conducting sampling detection on the remediated soil, and completing remediation when the soil is detected to be qualified. By means of the device andmethod, efficient curing / stabilizing remediation of heavy-metal-polluted soil, solid waste, sludge and other materials can be achieved, and the device and method have a good remediation effect on heavy-metal compound pollution soil.

The invention discloses a novel optical channel photosynthetic biological hydrogen production device which comprises a feeding unit, a hydrogen production reactor and a gas-liquid separation unit, wherein the feeding unit comprises a photosynthetic bacteria tank, a hydrogen production substrate tank and a feeding premix box; an outlet of the photosynthetic bacteria tank and an outlet of the hydrogen production substrate tank are respectively connected with an inlet of the feeding premix box through liquid conveying pipes; a constant flow pump is arranged on each liquid conveying pipe; an outlet of the feeding premix box is connected with an inlet of the hydrogen production reactor; an outlet of the hydrogen production reactor is connected with an inlet of the gas-liquid separation unit through a liquid inlet pipe. The device has the advantages that the flow on a flow isolation box is combined with hydrogen production substrate reflux on the basis of summary about the development situations of a conventional photosynthetic bacteria hydrogen production reactor, the flow isolation box is creatively taken as a light box, daylighting area maximization and subtle temperature change are realized, and a technical support is provided for environment-friendly and high-efficiency hydrogen production.

The invention discloses a dried tofu stirring device with an automatic feeding function. The dried tofu stirring device comprises a stirring device, a dried tofu adding device and a seasoning adding device, wherein the stirring device comprises a stirring chute, a frame, a first motor, a second motor, a stirring shaft and a stirring blade; the dried tofu adding device comprises an electronic weighting instrument, a spiral conveyer, a hopper and a belt conveyor; the seasoning adding device comprises a sauce cylinder, a pump and a flow meter; the dried tofu stirring device further comprises a controller for controlling the first motor, the second motor, the belt conveyor, the spiral conveyer and the pump; detecting signals of the electronic weighting instrument and the flow meter are input to the controller. The dried tofu stirring device with the automatic feeding function has the advantages that automatic stirring and discharging are realized, the stirring working efficiency is high, the labor intensity is low, automatic charging is realized and the working efficiency of the dried tofu production is further increased.

The invention relates to the agriculture field, in particular to an interval fertilizer applying device convenient to use, for agricultural production. The interval fertilizer applying device convenient to use, for agricultural production comprises a support plate, wherein a stirring barrel is arranged at the middle part of the upper side of the support plate, a moving plate is arranged on the upper side of the stirring barrel, a stirring motor is mounted on the moving plate, a stirring shaft is mounted on the lower side of the stirring motor, stirring rods are mounted at the left end and theright end of the stirring shaft, a rack is mounted on the right side of the moving plate, a first gear is mounted at the middle part of the front side of the rack, a first rotating shaft is mounted atthe lower end of the first gear, a second gear is mounted at the lower end of the first rotating shaft, an external gear is meshed with the left side of the second gear, a third gear is meshed with the left side of the external gear, a third rotating shaft is mounted in the third gear, a fourth gear is mounted on the third rotating shaft, a fifth gear is meshed with the right side of the fourth gear, a rotating disc is mounted on the lower side of the fifth rotating shaft, discharge openings are formed in the rotating disc, and a discharging tube is mounted on the upper side of the dischargeopening in the right end. Through the adoption of the interval fertilizer applying device convenient to use, for agricultural production disclosed by the invention, interval fertilizer application canbe effective and convenient to perform, so that the equipment is convenient to use.

The invention discloses a double-station sleeving combination device and method of a double-cylinder type storage tank. The double-station sleeving combination device of the double-cylinder type storage tank comprises an inner tank body supporting device and two outer tank body supporting devices. The inner tank body supporting device comprises a support, guide rods, a hydraulic rod, a supportingplate and a connection cross beam. The two ends of the cross connection beam are fixedly provided with two inner tank bodies. The hydraulic cylinder can drive the connection cross beam to move up anddown under the constraint of the guide rods, so that it can be guaranteed that the center lines of the inner tank bodies and the outer tank bodies are aligned. Each outer tank body supporting device comprises a trolley and a carrier roller frame installed on the trolley, wherein sleeving combination of the inner tank bodies and the outer tank bodies can be achieved through movement of the trolleys, and coincidence and locating of supporting points of the inner tank bodies and the outer tank bodies can be achieved through rotation of carrier rollers. The double-station sleeving combination device of the double-cylinder type storage tank is convenient and rapid to operate and capable of achieving simultaneous sleeving combination of the inner and outer tank bodies of different diameters, does not need an overhead travelling crane, liberates the productivity of the overhead travelling crane, achieves sleeving combination of two sets of inner and outer tank bodies at the same time and improves the production efficiency.

The invention discloses a winter cold rehydration production device comprising a tank body, a moving assembly, four sets of scraping assemblies, two sets of first discharge assemblies and two sets oflock latch assemblies, the tank body is horizontally provided with a partition plate in a clamping manner, the partition plate divides the tank body into an upper stirring chamber and a lower coolingchamber; the moving assembly comprises a moving frame and two first cylinders, each set of scraping assemblies comprises three first connecting rods, and the free ends of the first connecting rods arehorizontally connected with a long scraping plate; each set of first discharge assemblies includes a first chute, a connecting block, a baffle and a second cylinder; each set of lock latch assembliesincludes a receiving groove, two chutes, a slider and a wire rope; and each set of second discharge assemblies respectively includes a discharge plate and a third cylinder. The winter cold rehydration production device effectively prevents materials from sticking to the inner side wall of the upper stirring chamber by the upper and lower movement of the moving frame and the material scraping of the scraping plate, thereby reducing waste of the materials.

The invention relates to the technical field of spinning equipment and specifically relates to a regenerated polyester fiber spinning device which comprises an upper box body, a lower box body, a discharging mechanism, an extruding mechanism, a switching mechanism, a driving mechanism, a distribution plate, a spinneret mechanism, a supporting mechanism, a second filtering plate and a discharging box. According to the regenerated polyester fiber spinning device disclosed by the invention, when material is completely extruded by a pressing plate to rise, a first filtering plate can be switched to be arranged at the top of a discharging opening, and the material can be discharged in a process that the pressing plate upwards returns; when the press plate moves to the top end, an area between the pressing plate and the second filtering plate can be filled with raw material, the pressing plate is driven again to move downwards, next processing is performed, circulation is performed in the way, and the material can be fed without waiting for the press plate to rise to the initial position; a third rotating motor and a fourth rotating motor can drive the spinneret plate to move; furthermore, two spinneret hole areas with different net hole diameters are formed on the surface of the spinneret plate, and a coincidence proportion among the first spinneret hole area, the second spinneret hole area and a distribution hole can be adjusted to adjust production of filaments with different diameters.

The invention relates to the technical field of spinning, in particular to a regenerated polyester fiber spinning process. The process includes the following steps of S1, putting leftover materials ina cleaning device to be cleaned, and then drying the leftover materials; S2, putting the leftover materials dried in the step S1 in a spinning device for spinning fiber; S3, cooling the fiber in thestep S2, and then winding the fiber on a roller. Through the spinning device adopted in the method, when a pressing plate completely extrudes the materials to rise, a first filter plate can be conveniently switched to be placed on the top of a discharge port, discharging can be conveniently realized when the pressing plate upwards returns, the area between the pressing plate and a second filter plate can be filled with the raw materials when the pressing plate moves to the top end, and the pressing plate can be driven again to move down for the next time of processing.

The invention relates to an elevator capable of realizing vertical and horizontal cycle operation, belonging to the field of building delivery machinery. The elevator consists of lift shafts, verticallift cars, circular tracks, a horizontal lift car, a side link and track frames, wherein the number of the lift shafts is two groups or more; the side link is connected with the plurality of groups of lift shafts; the vertical lift cars are placed in the lift shafts; the circular tracks are connected with the plurality of groups of lift shafts by means of the track frames; the horizontal lift carcan slide on the circular tracks; the plurality of groups of vertical lift cars are connected in series on the same long chain. The elevator capable of realizing vertical and horizontal cycle operation has the beneficial effects that the staggered circulating motion of the vertical lift cars is realized by means of the oblique parallel positions of two long chains in the same lift shaft; the fourcircular tracks form two sets of oblique parallel tracks for cooperating with the vertical movement of the circulating vertical lift cars, so as to realize floor changing of the horizontal lift car;with the seamless connection of the circular tracks and I-shaped tracks, the horizontal lift car is enabled to smoothly enter the vertical lift cars after sliding along the circular tracks so as to realize nesting.

The invention discloses an automatic filling device with a uniform stirring function. The automatic filling device comprises a power assembly (1), a stirring structure (3), a material conveying structure (9) and a transmission reversing structure (23), wherein the lower end of the power assembly (1) is connected with the stirring structure (3) by a transmission shaft (2); a stirring shaft (4) of the stirring structure (3) is arranged in a feed box (5), and is provided with a stirring paddle (6); the lower part of the feed box (5) is connected with the material conveying structure (9); the material conveying structure (9) is connected with the transmission reversing structure (23); the automatic filling device is characterized in that the stirring paddle (6) is provided with an additional paddle (7) in a coaxial way; the additional paddle (7) is arranged at the bottom of the feed box (5); a piston connecting rod (12) is matched with a cam (13) in a contacting way; a push rod return spring (14) sleeves outside the piston connecting rod (12). The automatic filling device is compact in structure, reliable in performances and high in automation degree.

The invention discloses a wafer temporary bonding method. The method includes the steps that a silicon through hole and front face manufacturing technology of a wafer is completed; the front face of the wafer is coated with temporary bonding glue; the surface of a supporting piece is roughened; the roughened surface of the supporting piece is bonded with the front face, coated with the temporary bonding glue, of the wafer; the back face of the wafer bonded with the supporting piece is thinned until the thickness of the wafer reaches a needed value; a back face manufacturing technology of the wafer after the back face is thinned is finished; the temporary bonding glue on the wafer after the back face manufacturing technology is removed. According to the method, due to the fact that the surface of the supporting piece is roughened, the contact area between the temporary bonding glue and the supporting piece is increased, and the temporary bonding glue is nested and fixed and prevented from sliding and offsetting at high temperature.

The invention provides a rotary fixing typle installation tool for a preformed armor rod which comprises a rotation upper half body, a rotation lower half body, and a winding adjustment device. The inner side faces of the rotation upper half body and the rotation lower half body are provided with same arc grooves. The inner side face of the rotation lower half body is provided with two opposite sliding buckle bodies which are symmetrically distributed at two sides of the arc groove arranged at the rotation lower half body. Each of the sliding buckle bodies comprises at least one sliding buckle groove. The rotation upper half body is provided with two sliding buckle plates which are matched with the sliding buckle grooves. The outer side faces of the rotation upper half body and the rotation lower half body are provided with T-shaped slide rails. The winding adjustment device comprises a slope and a clamp device. The rotary fixing typle installation tool for a preformed armor rod has the advantages of a simple structure and convenience in operation, in the process of application, both the rotation upper half body and the rotation lower half body are bucked at a cable which needs to be wound by preformed armor rods, the movable ends of the preformed armor rods are clamped in the clamp device, through constantly rotating and moving the tool, the uniform and order winding of the preformed armor rods on the cable can be realized.

The invention discloses a mesh-screen-type dustpan. The mesh-screen-type dustpan comprises an intermediate ring, a screen mesh and an outer lantern ring cover; the upper side wall and the lower side wall of the intermediate ring are arranged in an inwards-sunken mode to form an upper inwards-sunken groove and a lower inwards-sunken groove, and the screen mesh covers and is laid on the intermediatering tightly and is welded and fixed to the outer side wall of the intermediate ring; and the upper part and the lower part of the outer lantern ring cover are arranged in an inwards-bent mode to form an upper bent groove and a lower bent groove, and an open-type embedded cavity is formed in the middle of the outer lantern ring cover. Meanwhile, the invention further discloses a production and preparation process of the mesh-screen-type dustpan. A screen mesh structure can be mounted on the dustpan, the effect of sieving materials through the dustpan is ensured, stability and elasticity of the screen mesh of the dustpan can be improved, the screen mesh is prevented from being loosened and softened, and meanwhile the dustpan can be overall more beautiful.

The invention discloses a full-automatic chemiluminescence immunoassay device which is characterized in that a rack is provided with a sample and suction head storage module, a reagent reaction module, a sample adding and transporting module, a lighting module and a reagent cleaning and separating module, and the sample and suction head storage module is arranged below the reagent reaction module; the reagent reaction module is arranged below the sample adding and transporting module, the lighting module and the reagent cleaning and separating module, and the reagent cleaning and separating module is arranged between the sample adding and transporting module and the lighting module. According to the invention, the suction head, the magnetic bar sleeve and the membrane breaking head are automatically added and removed; automatic sample adding and layout are realized; a conductive suction head is matched with a liquid level detection system, the depth of the suction head inserted below the sample liquid level is accurately controlled, and the sample adding precision requirement of the whole device is guaranteed; the reagent strip is sealed and packaged, so that the expiration date of the reagent is long, and the reagent is convenient to transport; the state of the suction head is monitored in real time, the abnormal state of the suction head is fed back in time, corresponding correction is carried out when necessary, and the whole device is more intelligent.

The present invention discloses a method for nesting of video phone services and a system thereof. The method comprises the steps as follows: a calling UE (User Terminal) initiates a video phone call; a calling MSC-S (Mobile Switch Center Server) receives the video phone call; if the calling MSC-S discovers that a fallback occurs to a called UE, the calling MSC-S routes the video phone call to a VP+AS (Video Phone Enhanced Application Server); and the VP+AS establishes a video phone session with the calling UE, and establishes a voice phone session with the called UE. Or the method comprises the steps as follows: the calling UE initiates a video phone call; the calling MSC-S receives the video phone call; if the calling MSC-S discovers that the called UE supports a multimedia ring back tone service, the calling MSC-S routes the video phone call to a MRBT (Multimedia Ring Back Tone) platform; the MRBT platform establishes the video phone session with the calling UE, and plays the multimedia ring back tone customized by the called UE to the calling UE; and after the called UE responses, if the MRBT platform discovers that the called UE supports a VP+ video substitution service, the MRBT platform establishes the video phone session with the VP+AS. The method as well as the system in the present invention realizes nesting of the video phone services.

The invention provides a moving bed reaction furnace for producing sponge iron by direct reduction of a gas base. The moving bed reaction furnace comprises a slightly expanded upper large head section(1), a middle cylinder section (2) and a lower cone section (3) which are connected in sequence from top to bottom in a furnace body height direction; the slightly expanded upper large head section is provided with an exhaust outlet (12) and a solid material uniform distributing sliding pipe (11); exhaust gas dust entrainment is reduced by the slightly expanded upper large head section; the middle cylinder section is provided with a reducing gas inlet (21) and a gas distributor (22); the gas distributor achieves gas distributing and solid material rectifying effects; the lower cone section is provided with a cooling gas inlet (32), a solid material outlet (33) and a vertical spiral loosing device (31); low-temperature solid material discharging is realized in the cooling gas inlet; afterheat of a solid material is realized; the vertical spiral loosing device realizes axial circulating and radial rotating movement of a solid material on a bed layer; sintering of a bed layer is thoroughly avoided; and smooth discharging at an outlet is ensured.

A deep ore deposit exploration prediction system disclosed by the present invention comprises an operation platform, the top of the operation platform is provided with an annular fixing plate through bolts, the top of the fixing plate is provided with a driving motor, the output end of the driving motor is connected with a circular pipe, and the bottom of the circular pipe penetrates and extends to the bottom of the operation platform. A rectangular through hole is formed in the surface of the bottom end of the surface of the round pipe, a sample storage pipe is installed at the bottom of the fixing plate, the bottom of the sample storage pipe penetrates and extends to the position below the operation platform, the sample storage pipe is located on one side of the round pipe, a sleeve is installed at the bottom end of the interior of the round pipe, and a handle frame is fixed to the top of the operation platform; and the handle frame is located on one side of the driving motor, and a storage box is installed at the top of the operation platform. By arranging the anti-radiation sampling device, the sample storage effect can be achieved, the anti-radiation protection effect and the inner wall strengthening effect of the bottle body can be provided, and the harm of radioactive radiation to the body of a worker is avoided.

The present invention discloses a dried bean curd frying device which comprises an oil groove, an electric heater and a metal belt conveyor. A material shovel plate is provided in the oil groove, the edge of the shovel plate leans on the metal belt conveyor under the action of gravity; the dried bean curd frying device also comprises a feeding material conveyor for feeding materials into the oil groove, a groove lid arranged on the oil groove and controllers which respectively control the electric heater, the metal belt conveyor and the feeding material conveyor. According to the dried bean curd frying device, dried bean curds are sent into the oil groove by the feeding material conveyor, the dried bean curd frying process is accomplished on the metal belt conveyor in the oil groove, and the fried dried bean curds are transported out of the oil groove by the metal belt conveyor. During the frying process, dried bean curds on the metal belt conveyor are shoveled by the material shovel plate so as to achieve turnover of the dried bean curd and avoid the adhesion between the metal belt conveyor and the dried bean curd. The dried bean curd frying device realizes automatic material feeding, material discharging and material turnover, the work intensity is low, and the work safety is good.

The invention discloses a waste lithium battery current collector recovery and separation device, which comprises a cutting box, a crushing box, an equipment box, a collecting box and a heating box. The upper end of the equipment box is provided with the cutting box and the crushing box. The equipment box is provided therein with the heating box. The crushing box and the heating box are in communication with each other through a blanking tube. The lower end of the crushing box is provided with a bracket. The bracket is provided with a baffle. The baffle is connected with the lower end of the heating box. The outer side of the equipment box is provided an electric push rod which is connected to the baffle. A sieve plate is disposed under the bracket. The collecting box includes a first collecting box and a second collecting box which are both connected to the inner wall of the equipment box. A discharge port is arranged on the side wall of the equipment box. One side of the sieve plateis provided with a discharge port. The first collecting box is disposed below the discharge port. The second collecting box is in communication with the bottom of the equipment box.

The invention discloses a soil remediation device. According to main points of a technical scheme in the invention, the soil remediation device comprises: an incinerator; a bearing assembly, which isarranged in the incinerator and used for bearing to-be-incinerated soil; a combustion-supporting assembly, which is arranged in the incinerator and used for incinerating soil above the bearing assembly; a discharge flue, which communicates with the incinerator and is located above the combustion-supporting assembly, wherein a vertical section of the discharge flue is in the shape that the top is gradually shrunk; a stirring box, which is fixed at the top of the incinerator; a crushing and stirring assembly, which is arranged on the stirring box and used for stirring soil; two groups of transportation assemblies, which are used for transporting soil or auxiliary materials to the top of the incinerator; and a filling assembly, which is used for filling the transportation assemblies with soilor auxiliary materials. According to the soil remediation device, contaminated soil can be remediated through the incinerator, good soil remediation capacity can be achieved, and soil remediation efficiency is high.

The invention discloses a forming die and method for a composite material special-shaped annular rib structure. The forming die comprises a main body terrace die and a partition block core die and ismanufactured by the way that a core die tool is manufactured in a segment mode, and are transferred to the main body terrace die after the laying, and then pin connection is adopted to realize the precise sleeving of a special-shaped annular structure core die and the main body terrace die. The laying of rib edge strips on the main body terrace die is completed, the laying, the merging and twisting of the left and right side studs outside the main body terrace die are completed, after stud laying layers are transferred to edge strip laying layers of the main body terrace die, a core mold connection area is laid, and finally a complete annular overall laying layer is formed. The integral forming of a composite material special-shaped annular rib is achieved, the laying layer operation is simple, the manufacturing efficiency is improved, and the production cost is reduced.

The invention discloses a wood crushing machine which comprises a crushing box and a feeding mechanism. The feeding mechanism comprises conveying rollers, a conveying belt and a supporting frame, theconveying rollers are mounted at the top and the bottom end of the supporting frame, the conveying belt is mounted outside the conveying rollers, two groups of crushing mechanisms are arranged in thecrushing box and include a first crushing mechanism and a second crushing mechanism, a discharging port is formed in the bottom of the crushing box, a discharging pipe is communicated at the lower endof the discharging port and communicated with an outer collection box, a dust collection cover is arranged on the upper portion of the crushing box and connected with a dust collection box through adust collection pipe, and the dust collection pipe is connected with a fan. The wood crushing machine is simple in structure principle and high in automation degree and working efficiency, feeding, crushing and discharging of wood can be achieved, dust can be collected in the crushing process, and the working environments are effectively improved.