189results about How to "Realize unloading" patented technology

The invention provides a material conveying system for mold production, which comprises a conveying main body, a guide assembly is mounted at the feeding end of the conveying main body, the guide assembly guides and arranges molds in a conveying state, a detection assembly is fixedly connected to the top of the conveying main body, the detection assembly detects the limited and locked molds, and the detection assembly is connected with the conveying main body. The top of the conveying body is rotationally connected with a positioning mechanism, the positioning mechanism locks the mold, a reset mechanism is installed on the upper end face of the conveying body, the reset mechanism controls the clamping plate to reset, a driving assembly is installed on the upper end face of the conveying body, and the driving assembly drives the positioning mechanism to rotate. By arranging the positioning mechanism, the die can be continuously subjected to position correction, fixing, detection, moving-out and discharging, the production efficiency of the die is improved, the driving disc keeps rotating in the whole process, and the conveying process does not need to be stopped.

The embodiment of the invention provides a load balancing system, method and device, equipment and a storage medium. In the embodiment of the invention, the load balancing system comprises a client, a load balancer and a server, and the client is used for sending a data packet of an access request to a virtual network component; the virtual network component is used for sending the data packet to the load balancer when it is determined that the data packet does not have the corresponding data transmission record, and sending the data packet to a server corresponding to the data transmission record when it is determined that the data packet has the corresponding data transmission record; the load balancer is used for matching a target server for the data packet and adding load balancing control information in the data packet; and the target server is used for receiving and responding to the data packet added with the load balancing control information.

The utility model provides an underground carry-scraper intelligent operation device which comprises a machine frame and a driving assembly, and the driving assembly comprises a lifting mechanism assembly, a bucket adjusting mechanism assembly and a control assembly. The lifting mechanism assembly comprises a lifting driving mechanism, an upper lifting arm, a lower lifting arm and a lifting arm connecting frame; the bucket adjusting mechanism assembly comprises a branch chain, a branch chain fixing plate and a bucket; one ends of the upper lifting arm and the lower lifting arm are connected with the rack, the other ends of the upper lifting arm and the lower lifting arm are fixed in the middle of the lifting arm connecting frame, one end of the lifting arm connecting frame is connected with the bucket, the other end of the lifting arm connecting frame is connected with the rack, the lifting driving mechanism is simultaneously connected with the upper lifting arm and the lower lifting arm, and the branch chain fixing plate is simultaneously connected with the rack and the lifting arm connecting frame. One end of the branch chain is connected with the branch chain fixing plate, the other end of the branch chain is connected with the bucket, and the bucket adjusting mechanism assembly and the lifting driving mechanism are both connected with the control assembly. According to the utility model, the functions of energy consumption saving, accurate dynamic weighing and the like are realized.

The invention belongs to the technical field of tunnel construction, and discloses an up-down separated open-cut tunnel vault trolley with an intelligent support changing function, which comprises a lower traveling mechanism capable of moving in a tunnel, a movable upper template mechanism is arranged on the lower traveling mechanism, and a supporting mechanism is arranged on the upper template mechanism; the upper template mechanism comprises an upper profile steel framework, an upper walking assembly is arranged at the bottom end of the upper profile steel framework, and the upper walking assembly moves on the lower walking mechanism; the lower walking mechanism comprises a lower section steel framework, and a lower walking assembly is arranged at the bottom end of the lower section steel framework and moves on the track; locking assemblies are arranged on the upper walking assembly and the lower walking assembly in a limiting mode correspondingly. The device is easy to operate and convenient to use, independent movement of the upper portion and the lower portion can be achieved, automatic supporting and support changing in the open cut tunnel excavation process can be conveniently achieved, adjustment is flexible, high feasibility and practical value are achieved, and safety is high.

The invention relates to the technical field of injection molding equipment, in particular to winding injection molding equipment for permanent magnet synchronous motor production, which comprises a workbench and a controller, the controller is mounted at the left end of the workbench, the winding injection molding equipment further comprises an injection molding assembly, a feeding assembly, a mold assembly, a stripping assembly and an unloading assembly, the feeding assembly is arranged at the top end of the workbench, and the mold assembly is arranged at the top end of the workbench. Two groups of lower mold assemblies are arranged on the feeding assembly, a stripping assembly is arranged at the top end of the working table, a discharging assembly is arranged at the top end of the working table, and an injection molding assembly is arranged at the top end of the working table; a first set of components are placed in a first set of lower mold assembly, then the first set of lower mold assembly is moved to the position under an injection molding assembly through a feeding assembly, then the injection molding assembly is operated to conduct plastic coating operation on the components in the first set of lower mold assembly, and meanwhile a second set of components are placed in a second set of lower mold assembly; and automatic stripping and unloading of the plastic-coated part are achieved, and the machining efficiency is improved.

The invention discloses an automatic shaft sleeve pressing rivet device for a motor end cover, and relates to the technical field of motor machining equipment. The automatic shaft sleeve pressing rivet device for the motor end cover comprises a fixed bottom plate, a rotating rod is rotationally installed at the top of the fixed bottom plate, a rotating platform is fixedly installed on the outer wall of the rotating rod, four sets of material blocks are fixedly installed at the top of the rotating platform, end cover grooves are formed in the tops of the material blocks, and shaft sleeve grooves are formed in the bottoms of the material blocks. According to the automatic shaft sleeve press-riveting device for the motor end cover, the press-riveting structure and the material pushing structure are driven to rotate through the driving structure, so that the press-riveting structure can press and rivet a shaft sleeve on the motor end cover, automatic press-riveting is conducted on the motor end cover, and the rotating platform, the material block and the motor end cover subjected to press-riveting continue to rotate along with the driving structure; the rivet pressing structure and the material pushing structure can push the motor end cover subjected to rivet pressing out of the end cover groove, the motor end cover subjected to rivet pressing is automatically discharged, discharging, rivet pressing and material taking are achieved at the same time, and the shaft sleeve rivet pressing efficiency is greatly improved.

The invention provides a wide-temperature self-adaptive off-axis telescopic system based on translation kinematic pair unloading. The wide-temperature self-adaptive off-axis telescopic system comprises an optical system, an unloading mechanism and a mounting platform, a main reflector assembly and an auxiliary reflector assembly in the optical system are oppositely arranged on a bottom plate. The bottom plate is connected with the mounting platform, and the bottom plate and the mounting platform are made of two materials with different thermal expansion coefficients; the unloading mechanism is arranged between the bottom plate and the mounting platform; a fixed part and a moving part of a translational motion pair of the unloading mechanism are respectively mounted on the bottom plate and the mounting platform; when the temperature changes, the bottom plate and the mounting platform generate different scales of expansion, the translational motion pair generates relative motion along with the expansion amount difference of the bottom plate and the mounting platform, and the expansion amount difference is compensated by the motion freedom degree of the translational motion pair so as to realize thermal stress unloading. The thermal deformation of materials with different thermal expansion coefficients is offset by using the degree of freedom of motion of the unloading mechanism, and a layer of buffer bridge is established between an optical system and an installation environment, so that the product is self-adaptive in a wide temperature range, and the optical effect is ensured.

The utility model relates to the technical field of plastic processing equipment, in particular to a degradable plastic film reel quick replacement device which comprises two sets of winding tables, a rack is installed on one sides of the top ends of the two sets of winding tables, a rotating groove is formed in the middle of the top end face of each winding table, a lifting groove is formed in one side of each rotating groove, and the lifting grooves are communicated with the lifting grooves. The top end of the winding table is provided with a lapping plate, the lapping plate is installed at the upper end of the lifting groove, the rotating component comprises a limiting strip frame installed on one side of the lapping plate, an opening is formed in one end of the limiting strip frame, an outlet is formed in the lower end of the limiting strip frame, and a rotating shaft is movably installed in the limiting strip frame; by the adoption of the technical scheme, the two ends of the reel component move in the two sets of limiting strip frames respectively, after the clamping groove formed in the outer surface of the rotating shaft is aligned with the interiors of the limiting strip frames, the reel component moves into the clamping groove, and replacement of the reel component is completed.

The utility model relates to an integrated bin which comprises a rack, a bin body, a discharging device, a lifting device, a dust removal device and a conveying device, wherein the bin body, the discharging device, the lifting device, the dust removal device and the conveying device are connected to the rack. The bin body comprises a conical bucket section located on the lower portion, the conical bucket section is of an eccentric structure so that the center of a bottom outlet of the conical bucket section can deviate from the center of a top inlet of the conical bucket section in the vertical direction, inclination angles between a first side wall and a second side wall which are opposite to each other and the horizontal direction are different, and the inclination angle of the first side wall is smaller than that of the second side wall. The bin bottom space on one side of the first side wall is greatly released, the space can be reserved for installation of other matched equipment, and the space utilization rate is increased. The fluidization arch breaking device is connected to the first side wall. The discharging device, the lifting device and the dust removal device are all arranged above the bin body, and the discharging device comprises a funnel and a bag breaking device. An ash conveying pipeline of the conveying device is connected with a bottom outlet of the conical hopper section, and a conveying fan of the conveying device provides conveying wind power for the ash conveying pipeline.

The invention discloses an aviation metal plate precision stamping forming device, and relates to the technical field of aviation metal plate stamping forming, the aviation metal plate precision stamping forming device comprises a main body mechanism, the main body mechanism comprises a stamping machine body, a hydraulic cylinder is fixedly installed on the upper surface of the stamping machine body, and a machining table is fixedly installed on the inner side face of the stamping machine body; a bottom die is fixedly installed on the upper surface of the machining table, a top die is fixedly installed at the telescopic end of the hydraulic cylinder and located over the bottom die, a feeding positioning mechanism is arranged in the stamping machine body and comprises a conveying positioning unit, and the conveying positioning unit is located on the outer side of the stamping machine body. According to the precise stamping forming device for the aviation sheet metal, sheet metal parts can be conveyed through the conveying and positioning unit, the sheet metal parts are conveyed and positioned in the conveying process, the purposes of straightening, positioning and moving the sheet metal parts are achieved, and the correctness of the positions of the sheet metal parts in the feeding process is guaranteed.

The utility model belongs to the field of silicon core pipe processing, particularly relates to an efficient cutting device for a silicon core pipe, and aims to solve the problems that the existing cutting device is not high in efficiency, especially the length of a pipe to be cut is longer during preliminary cutting, so that the manual feeding is more troublesome, and meanwhile, the existing cutting device is lack of limiting and fixing the silicon core pipe. Comprising a base, a U-shaped frame is fixedly arranged at the top of the base, a mounting plate is slidably arranged in the U-shaped frame, and a cutting electric saw is fixedly arranged at the top of the mounting plate; the lower clamping plate and the upper clamping plate are used for fixing the silicon core pipe, the device can achieve automatic feeding and discharging of the silicon core pipe, the cutting efficiency is greatly improved, the fixing effect on the silicon core pipe can be automatically achieved in the subsequent cutting process, and therefore the cutting quality is ensured, the stability is improved, and the production efficiency is improved. The device is simple in structure and convenient to operate, and the production efficiency and safety of silicon core pipe cutting are greatly improved.

The invention provides an efficient machining process and device for a traction sheave for an elevator, and relates to a machining clamp process. The efficient machining process comprises a machining table, a linear module is arranged at the top of the machining table, a linear displacement frame is in sliding fit with the linear module, and a horizontal clamping turnover mechanism is matched between the machining table and the linear displacement frame; the machining process of the traction sheave for the elevator comprises the following steps of T1, parameter adjustment, T2, clamping of the traction sheave in the horizontal and vertical directions, T3, machining and overturning machining and T4, unloading. The horizontal clamping and overturning mechanism is driven to rotate relative to the linear displacement frame, overturning of the traction sheave is achieved, the machining efficiency is improved, and the machining efficiency is improved. The two faces of the traction wheel can be machined, the inner wall of the traction wheel is clamped without a power source by driving the multiple inner supporting plates to move and extrude the inner wall of the traction wheel, and the traction wheel is unloaded by rotating the U-shaped unloading plate relative to the unloading inclined table.

The utility model provides a full -automatic feeding machine, including control frame, storehouse, vibrating dish, branch material storage bin and hoist bucket module, hoist bucket module includes vertical lifting mechanism, hoist bucket, unloading assembly and unloading hopper, hoist bucket and vertical lifting mechanism sliding connection, vibrating dish includes vibration base and straight vibration rail, one end of straight vibration rail is connected with the discharge gate of storehouse, and the other end is placed on branch material storage bin top, and the discharge gate of branch material storage bin is opposite to hoist bucket, is equipped with the unloading valve plate on branch material storage bin, and the receiving port of unloading valve plate is opposite to hoist bucket. The utility model has the advantages of: through the linkage of material level sensor and stepping system, realize material automatic lifting, unloading and start -stop control, need not manual frequent operation, improve the feeding efficiency, reduce the labor intensity, and unloading hopper is combined with vibrating dish, can be compatible with capsule and tablet and a variety of materials, realize accurate branch material through the linkage of valve plate and turnover cover, avoid material spilling and residual.

This application discloses a communication method and apparatus, communication device, storage medium, and program product; the method includes: a second network function selecting a first computing node based on first information and / or second information; and a first network function selecting and / or inserting a UPF based on the address information and / or identification information of the first computing node.

The utility model provides a cloth rolling deviation rectifying device which comprises a material collecting roller, supports are arranged at the two ends of the material collecting roller, the material collecting roller is rotatably arranged on the supports, a rotatable rotating seat is arranged below the supports, an adjusting device is arranged on the rotating seat, the supports are connected with the adjusting device, and the adjusting device is connected with the material collecting roller. A rotating device for driving the rotating seat to rotate is arranged at the bottom of the rotating seat, and a driving motor for driving the receiving roller to rotate is arranged on one side of the receiving roller; the device further comprises two distance sensors which are arranged on the two sides of the cloth respectively. According to the utility model, the distance sensor, the camera and the rotating device are matched, and the angle of the rotating seat is adjusted by utilizing the motor, so as to rectify the deviation of the rolled cloth; the length between the supports is adjusted through the adjusting device so as to be matched with the material receiving roller and the cloth with the proper length for winding, and the material receiving roller can be detached from the supports through the adjusting device so that discharging can be achieved.

The invention discloses a photoelectric induction type heterogeneous self-driven micro-robot and a cell screening and carrying method. Comprising a micro-robot body construction method and a cell screening and carrying method, wherein the cell screening and carrying method comprises three steps of a photoelectric field induced self-driving method, cell screening and cell carrying. According to the invention, the micro-robot body has heterogeneity, isomerism, smooth rotation appearance and self-driving capability. According to the method, the motion constraint of the micro-robot is formed through photoelectric field induction, and the motion direction is induced; in the aspect of cell screening, a distinguishable double-interaction mode is provided for cells with differentiated electrical properties based on three interaction functional areas of a micro-robot, and heterogeneous high-purity cell separation is realized; in the aspect of cell carrying, the micro-robot-cell interaction state is regulated and controlled by changing light patterns and alternating current electric field parameters, so that the micro-robot can load, transport and unload the cells according to needs. The micro-robot can realize integrated operation of cell screening, transportation, loading and unloading.

The utility model belongs to the technical field of cargo unloading, and particularly relates to adjustable cargo unloading equipment for material distribution, which comprises a bottom plate, universal wheels are fixedly mounted at four corners of the bottom end of the bottom plate, support plates are symmetrically welded on two sides of the top end of the bottom plate, and transmission frames are welded at the top ends of the two support plates on the same side. A connecting plate is welded to one ends of the two transmission frames, gear motors are symmetrically installed at one end of the connecting plate, and guide sliding grooves are formed in the transmission frames. The position of a winch installed on a transmission sliding plate can be adjusted through matched use of two sets of gear motors, the height of goods on an equipment bottom plate can be adjusted through matched use of the winch and a lifting rope, and after the goods are lifted, the two sets of gear motors and the winch are started again to enable the goods to move to the outer side of the bottom plate; the goods can be unloaded, the unloading mode is convenient and fast, and workers can conveniently distribute the goods and materials.

The invention relates to the technical field of gangue selection and transportation, in particular to an underground X-ray intelligent gangue selection and pneumatic gangue transportation process and an arrangement method. Comprising the following steps that raw coal is mined from a coal face, is firstly pre-crushed and enters a belt conveyor to be conveyed to a mining area coal bunker; the mining area coal bunker is provided with a drum screen, and raw coal with the particle size smaller than 50 mm under the screen is directly conveyed to the main shaft coal bunker through a belt conveyor and lifted to the ground from the main shaft coal bunker. The raw coal with the oversize particle size larger than 50 mm enters an X-ray intelligent gangue selecting machine, and the selected clean coal and the raw coal with the undersize particle size smaller than 50 mm are conveyed to a main shaft coal bunker together; in the backward moving process of the scraper bucket body, the conveying belt can also conduct transmission along the outer walls of the rear roller and the front roller, the position, making contact with the scraper bucket body, of the conveying belt can be kept relatively static in the transmission process of the conveying belt, and therefore friction damage between the scraper bucket body and the inner bottom wall of the material conveying channel is reduced, and the service life of the scraper bucket and the service life of the material conveying channel are prolonged.

The invention relates to the technical field of tipping bucket devices, and particularly discloses a track tipping bucket device for material transfer and conveying, the track tipping bucket device comprises a moving assembly, a tipping bucket assembly and a receiving assembly, the tipping bucket assembly is located above the moving assembly, and the receiving assembly is located on one side of the moving assembly; the receiving assembly comprises a supporting bottom frame, a supporting frame and two receiving rails, the supporting frame is of a right triangle structure, the supporting bottom frame is fixedly connected to the lower end of the supporting frame, and the two receiving rails are fixedly connected to the two sides of the inclined face of the supporting frame respectively. And the receiving assembly further comprises a receiving trolley, a receiving base is fixedly arranged at the lower end of the receiving trolley, four moving wheels are rotatably arranged at the lower end of the receiving base, and two moving wheels are slidably connected to each receiving rail. The device is suitable for parallel and vertical transportation of various materials, and is high in safety and high in environmental adaptability.

This invention belongs to the field of door and window processing technology, specifically relating to an operating table for metal door and window processing. It includes an assembly table fixedly installed on the rear top of the worktable, and a ring-shaped worktable rotatably mounted on the front side of the assembly table. Several working grooves are evenly distributed around the periphery of the ring-shaped worktable. Two rotating shafts are rotatably connected to the inner walls of the front and rear sides of the working grooves, respectively. A worm gear is fixedly installed around the periphery of the front rotating shaft. An assembly plate is fixedly installed on the inner wall of the front side of the working groove. A worm gear meshing with the worm gear is rotatably mounted on the top of the assembly plate. A handle is fixedly installed on the top of the worm gear. A clamping assembly is installed inside the assembly frame. This invention has a simple and reasonable structure. In use, the worm gear meshing with the worm wheel drives the rotating shaft to rotate, causing the assembly frame to flip as a whole, eliminating the need for manual lifting of heavy doors and windows and reducing the physical exertion of operators. The worm gear has a self-locking characteristic, which can firmly lock the angle of the door and window after flipping, preventing the profile from shaking or shifting during processing.

This invention provides a method for de-icing and unloading engineering structures, employing an unloader, a freezing device, and a heating device. The unloader includes a water-containing container and a float. The top of the container has an opening, the lower end of the float is above the water surface inside the container, and the upper end of the float extends beyond the top opening of the container. The container is equipped with a drain pipe and a drain valve. The freezing device includes a refrigeration unit and a freezing pipe. The freezing pipe extends into the container, and the refrigeration unit provides cooling to the water inside the container through the freezing pipe, converting the water into ice, causing the float to float and provide support. The container is positioned above the heating device, which heats the container to melt the ice inside. The melted water flows out through the drain pipe, and the ice sinks, causing the float to move downwards and achieve unloading. This method utilizes the freezing and subsequent melting of water within the device to support and unload structures. It is convenient to use, easy to control, and capable of handling and unloading extremely large loads.

The invention relates to the technical field of steel cord production, in particular to a quick carrying tool and method for spools, comprising: a first clamping arm, the first end of which is provided with a lifting ring connected to a crane system and the second end of which is provided with a first engaging structure; the first end of the second clamping arm is provided with a second meshing structure, the second end of the second clamping arm is provided with a supporting structure, and the supporting structure is used for abutting against the surface of the steel wire wound on the spool. The carrying tool is simple in structure and only comprises two structures capable of moving relatively, namely, the first supporting arm and the second supporting arm, a stable clamping structure is formed by clamping the edge of the spool and supporting the wheel face of the spool through the meshing groove with the variable width formed between the first supporting arm and the second supporting arm, and the carrying tool is convenient to carry. And meanwhile, the handle can flexibly control the states of the two supporting arms, and loading, hoisting posture control and unloading of the spool can be flexibly and conveniently achieved.

The invention discloses an automatic detection device for a fan blade for wind power generation in the field of wind power generation, and the device comprises a measurement bottom supporting table and a transverse movement servo transmission mechanism which is installed at one side above the measurement bottom supporting table, and a sliding part on the transverse movement servo transmission mechanism is fixedly connected with a sliding table plate. And a U-shaped sliding seat is arranged above the sliding table plate. According to the wind driven generator blade detection device, when wind driven generator blades are detected, adsorption connection of the sliding table plate and the U-shaped sliding seat can be achieved by arranging the second annular magnet block and the first annular magnet block, the U-shaped sliding seat assembly can be taken down by forcibly lifting the U-shaped sliding seat assembly upwards, rapid installation of the wind driven generator blades is facilitated, and after installation is completed, the detection efficiency is improved. The U-shaped sliding seat assembly can be rapidly installed, the second annular magnet block has a certain movable gap in the movable supporting hole, when the detection assembly is touched by external force, the detection assembly can slide towards one side to achieve force unloading, and safety is higher.

The utility model discloses a head cutting and mistake proofing integrated device for a supporting plate, which relates to the field of dies and comprises a bottom plate and a top plate, a lower die is mounted on the surface of the bottom plate, an upper die is mounted on the surface of the top plate, the bottom plate is fixed on a punching machine, and the top plate is mounted on a die handle of the punching machine. A protruding block is fixedly arranged on the surface of the lower die, a plurality of triangular embedded grooves are formed in one side of the protruding block, and an inner groove matched with the protruding block in shape is formed in the surface of the upper die. According to the head cutting and mistake proofing integrated device for the supporting plate, the inner groove, the embedded groove and the protruding block are arranged, the top plate moves downwards, the upper die can gradually abut against the surface of the lower die, at the moment, stamping forming can be conducted immediately, mistake proofing notches can be formed at the same time, normal installation of the supporting plate is guaranteed, time is saved, and production efficiency is improved. The production capacity is improved, the waste of human resources is reduced, the time is fully utilized, the production efficiency is improved, and the yield is improved.

This utility model relates to a low-slump concrete mixer truck, belonging to the technical field of concrete mixer trucks. The low-slump concrete mixer truck includes a mixing drum, a loading port, and a guide plate. Two openings are provided at one end of the mixing drum. The loading port is installed at one of the openings of the mixing drum for loading low-slump concrete into the mixing drum. The guide plate is installed inside the loading port and extends into the mixing drum for guiding the flow of the low-slump concrete. Through the design of the guide plate, this low-slump concrete mixer truck can effectively guide the low-slump concrete into the mixing drum, reducing loading blockage and avoiding the problem of low loading efficiency due to poor flowability.

The present invention discloses a multi-stage flow regulating valve and a hydraulic excavator equipped with the multi-stage flow regulating valve. The multi-stage flow regulating valve comprises a regulating valve sleeve, the right end of which is connected to a regulating valve housing, and the right end of which is connected to a regulating valve back cover; the regulating valve sleeve and the regulating valve housing are installed in the valve core hole of the valve body; the regulating valve sleeve is equipped with a regulating valve core, the regulating valve housing is equipped with a spring seat, and the regulating valve back cover is equipped with a spring; the left end of the spring seat cooperates with the regulating valve core, and the right end of the spring seat contacts with the left end of the spring. The present invention effectively achieves the regulation of the pump port flow through the first-stage throttling, and effectively achieves the unloading of the pump port flow through the second-stage throttling, avoiding the risk of component damage and oil leakage caused by the pressure build-up at the P port due to mechanical failure or other problems in the hydraulic system.

The application discloses a gas pressurizing rotary drum filter, which is characterized in that a distribution head rotor is connected to a rotary drum, a distribution head is arranged outside the distribution head rotor, the rotary drum is divided into a plurality of working zones according to the rotating direction, an annular cavity between the distribution head rotor and the distribution head is divided into independent mother liquor discharge cavities, dry gas discharge cavities and washing liquid discharge cavities according to the working function zones of the rotary drum along the circumferential direction, filtered mother liquor in the filtering zone, washed washing liquid in the washing zone and dried water-containing gas in the drying zone are respectively introduced into corresponding zones of the annular cavity through connecting pipes in the respective zones, and finally discharged through the mother liquor discharge outlets, the washing liquid discharge outlets and the dry gas discharge outlets on the distribution head; unloading back-blowing gas and filter cloth backwashing liquid with certain pressure are respectively introduced into the connecting pipes through back-blowing gas inlets and washing liquid inlets on the distribution head, and then introduced into the rotary drum, so as to realize unloading by blowing gas to the filter cake and backwashing to the filter cloth, and thus high-efficiency separation of the mother liquor and the washing liquid is realized.