367 results about "Suction equipment" patented technology

The utility model relates to the technical field of oil fume suction equipment, and provides a cleaning assembly and a range hood, and the cleaning assembly comprises a liquid storage part, a cleaning liquid container and an output pump. Wherein the liquid storage part is provided with an inlet end, a liquid outlet end and an air outlet end, and is arranged in the range hood; the cleaning liquid container is communicated with the inlet end and is suitable for providing cleaning liquid; the output pump is provided with a liquid inlet, a foam outlet and an air inlet, the liquid inlet is communicated with the liquid outlet end, the air inlet is communicated to the air outlet end, and the foam outlet outputs a liquid-air mixture. According to the cleaning assembly provided by the utility model, the output pump can pump the cleaning liquid in the cleaning liquid container into the liquid storage part so as to supplement the cleaning liquid for the liquid storage part, and meanwhile, the foam outlet of the output pump can also pump the cleaning liquid out of the liquid storage part and output a liquid-gas mixture after the cleaning liquid is mixed with gas, so that the range hood is cleaned; according to the range hood cleaning assembly, when the range hood is cleaned by the cleaning assembly, the range hood can be cleaned without arranging two water pumps, the structure is simpler, and the cost can be saved.

The invention discloses a river and lake sludge dewatering and curing ecological bank protection process. Ecological bank protection construction is achieved through in-situ resourceful treatment of sludge. The process comprises the following steps: firstly, pressing natural wood piles into the bottom of a bank slope to form a comb-shaped anti-sliding bent frame, and paving high-strength permeable geotextile pipe bags between the piles and the bank slope; bottom mud is extracted by adopting mud suction equipment, is modified by a flocculating agent and then is injected into a tubular bag in a layered manner, and gravity dehydration is completed by utilizing the permeable characteristic of tubular bag fabric; the tops of the pipe bags are backfilled with stacking materials for graded stacking, and solidification is accelerated through external pressurization to form a stable bank protection filling body; and finally, the surface layer is covered with planting soil, moisture-proof plants are planted, and the composite revetment with the permeation drainage function and the ecological function is constructed. Compared with a traditional technology, the technology effectively solves the problems of bottom mud outward transportation pollution and resource waste through triple synergy of geotextile tube bag gravity dehydration, natural timber pile stability enhancement, building body strength improvement through graded stacking and loading and the like, and the formed revetment has ecological restoration and landscape functions. The method is suitable for ecological restoration of rivers and lakes, wetland reconstruction and waterfront environment treatment, and has the comprehensive advantages of convenience in construction, environmental friendliness, economy and high efficiency.

The invention relates to the technical field of waterproof coatings, in particular to an environment-friendly waterproof coating spraying device which comprises a frame, moving wheels, a cleaning mechanism and a spraying mechanism, the cleaning mechanism comprises a cleaning cover, a cleaning nozzle, a first cleaning roller, a second cleaning roller and negative pressure suction equipment, and integration of base surface cleaning and impurity recovery is achieved. The spraying mechanism comprises a spraying cover, a coating hopper, an air compressor, a coating header pipe, a high-pressure gas header pipe, a coating nozzle group and a positive-pressure nozzle group, and a uniform waterproof coating is formed through high-pressure spraying. According to the device, closed design is adopted, the negative pressure harmful gas adsorption function and the positive pressure leakage prevention function are integrated, cleaning-spraying continuous operation is achieved, the problems that traditional manual spraying is low in efficiency, uneven in coating, serious in pollution and the like are solved through mechanical construction, the construction quality and the environmental protection performance are remarkably improved, and the device is suitable for large building waterproof engineering.

The invention relates to the technical field of medical training, and discloses a sputum suction operation training method and system based on a virtual reality technology. The method comprises the steps that historical operation records of a trainee are collected, key operation nodes are extracted, and an airway state model of a virtual patient is constructed based on the nodes; secondly, setting a virtual sputum suction equipment model, performing a multi-working-condition simulation test on the virtual sputum suction equipment model to obtain operation response characteristics, and mapping the equipment model into the virtual airway state model; then calculating a secretion distribution parameter of a virtual airway in a training period and a theoretical clearance load of virtual equipment, and combining operation response characteristics to obtain an operation intensity parameter; generating an operation triggering instruction sequence based on the operation intensity parameter, and performing staged operation control on the virtual equipment according to the sequence; and finally, carrying out quantitative evaluation on the operation effect of the virtual equipment in the virtual airway. According to the method, a targeted virtual training scene can be constructed, a real operation response is restored, and accurate tracking and effect quantitative evaluation of the operation process are realized.

The utility model relates to the field of white carbon black, and discloses a white carbon black superfine grinding modification device which comprises a shell, a material suction pipe is arranged on the top of the shell, material suction equipment is arranged on the upper portion of the shell, a grinding mechanism is arranged in the shell, and the grinding mechanism comprises a crushing mechanism and a grinding assembly. The grinding assembly comprises a grinding disc, the bottom of the grinding disc is fixedly connected with a plurality of supporting rods, the supporting rods are fixedly connected with the bottom of the inner wall of the shell, and a first motor is arranged on the lower portion of the grinding disc and fixedly connected with the inner wall of the shell. According to the white carbon black superfine grinding device, the shell, the grinding assembly and the air inlet are matched with one another, and the first motor, the rotating shaft, the grinding disc and the grinding piece are matched with one another, so that the white carbon black superfine grinding device can more effectively carry out superfine grinding on white carbon black materials, the production efficiency of the device can be effectively improved, and the device is more practical.

The invention relates to the technical field of pipeline welding, in particular to a serpentine pipe full-automatic welding multi-row pipe synchronous positioning frame which comprises two positioning frame bodies and a plurality of conveying rollers rotationally installed between the two positioning frame bodies, and a welding table is welded to the outer wall of one positioning frame body; the welding table is provided with a material storage structure, a material pushing structure and a shielding structure used in cooperation with the material pushing structure. The pushing structure comprises an electric telescopic rod fixed to the upper surface of the welding table, and a pushing frame is installed at the output end of the electric telescopic rod. According to the multi-row pipe synchronous positioning frame for full-automatic welding of the serpentine pipes, closed welding is achieved through the vertically-distributed baffle plate structures, strong welding arc light is effectively isolated, eyes and skin of operators are protected, welding smoke is limited in the closed cavity and can be efficiently extracted and purified from the source through air extraction equipment, and the welding quality is improved. And the workshop air quality is greatly improved.

The utility model relates to the technical field of printer air suction equipment, and provides a paper conveying platform air suction structure of a digital printer, which comprises a pair of side frames and a conveying belt, the conveying belt is arranged between the side frames, suction equipment is connected to one end of a suction pipeline, the suction pipeline is arranged in the side frames, and an inner plate is arranged between the side frames. The dispersive air suction assembly is arranged on the inner plate, the filtering assembly is arranged on the suction pipeline, the dispersive air suction assembly comprises a plurality of rectangular openings, the rectangular openings are all formed in the surface of the inner plate, rotating rods are rotationally connected into the rectangular openings, the conveying belt is attached to the surface of the inner plate, and a plurality of inner cavities are formed in the inner plate. By means of the technical scheme, the problems that in the related technology, a conveying belt is completely attached to a platform, the conveying belt can be tightly sucked to the surface of the platform through suction force, friction force is large when the conveying belt moves, fine powder exists on the surface of paper, the powder can be sucked into suction equipment, and operation of the suction equipment is affected are solved.

The utility model relates to the technical field of oil sludge treatment, in particular to an in-tank oil sludge mechanical conveying device which comprises a tracked robot body and a conveying hose. An inclined support is fixedly arranged on the tracked robot body, a suction head is fixedly arranged at the end of the conveying hose, the other end of the conveying hose is connected with oil sludge suction equipment, a mounting table is fixedly arranged on the inclined support, and the suction head is arranged on the mounting table through a mounting assembly and an auxiliary assembly. A suction head is clamped into a mounting arc groove, so that an annular clamping groove is clamped with a fixing ring, a shifting rod is moved to drive a semi-ring limiting plate to movably clamp and limit the suction head in an annular sliding groove, then a positioning plate is moved to be clamped with the shifting rod, a rotating plate is rotated to be clamped into a limiting clamping groove, and then a knob bolt is rotated to enable an inserting column to be inserted into an inserting groove; stable installation of the suction head is guaranteed, operation is easy, auxiliary tools are not needed, the suction head can be rapidly disassembled and assembled to be arranged on the tracked robot, and the oil sludge pumping and conveying efficiency in the tank is improved.

The device comprises an operating handle, an excision cavity with an opening in one side and a cutter, a freely-extending operating rod is arranged on the operating handle, the excision cavity is formed in the free end of the operating rod, and a suction limiting mechanism connected with external negative pressure suction equipment is movably arranged in an inner cavity of the excision cavity. The suction limiting mechanism is opposite to the opening of the excision cavity, can suck hypertrophic cardiac muscle tissue to be excided into the excision cavity, and can be close to or far away from the opening of the excision cavity so as to limit and adjust the depth of an inner cavity of the excision cavity, the cutter is movably arranged at the opening of the excision cavity in parallel, and a linkage mechanism is further arranged on the operating handle. The linkage mechanism penetrates through the operating rod to be connected with the cutter, the cutter can be pushed to move in parallel from one end of the opening of the excision cavity to the other end of the opening of the excision cavity so as to excide hypertrophic cardiac muscle tissue entering the excision cavity, by adjusting the position of the suction limiting mechanism, a doctor can conveniently control the excision thickness or depth, and the operation precision is improved.

The utility model relates to the technical field of jasmine flower harvesting, in particular to a picking tool which comprises a collecting box and a suction pipe, a suction pump is arranged in the collecting box, one end of the suction pipe is communicated with the collecting box, and the picking tool further comprises a picking device. The picking device comprises a suction tube, a closing-in piece arranged at one end of the suction tube and a closing-in mechanism movably arranged on the suction tube in a sleeving mode, the other end of the suction tube is communicated with the other end of the suction tube, the outward end of the closing-in piece is opened outwards in a horn shape, and the closing-in piece can deform and reset. The closing-up mechanism can control the closing-up amount of the outward end of the closing-up piece. The picking tool is simple in structure, the suction force of the suction end can be changed, and power waste of suction equipment is avoided.

The utility model discloses a material suction device of a hot press. The material suction device comprises a rack, a conveying device, a translation device, a lifting device and a suction cup assembly. The conveying device is installed on the rack and used for conveying plates backwards. A translation seat of the translation device is in front-back sliding connection with the rack and is driven by a first driving part; a lifting frame of the lifting device is in up-down sliding connection with the translation seat, and the left and right sides of the lifting frame are respectively driven by two second driving parts; the suction cup assembly is installed on the lifting frame and used for adsorbing and placing the plate. When the equipment adsorbs a plate, one side of the plate is firstly lifted to damage a vacuum area, so that the plate is conveniently adsorbed and is prevented from being damaged, and the production efficiency is effectively improved.

The photovoltaic panel cleaning device comprises a cleaning disc, the first face of the cleaning disc is connected with a driving assembly through a rotating shaft, the driving assembly is used for driving the cleaning disc to rotate, a channel is formed in the rotating shaft, and the first end of the channel is connected with air suction equipment; the first end of the channel extends to the first face of the cleaning disc, the second end of the channel extends to the second face of the cleaning disc, the air suction equipment is used for sucking dust through the channel, a plurality of inclined scraping strips are arranged on the second face of the cleaning disc, the first ends of the scraping strips extend to the channel, and the second ends of the scraping strips extend to the edge of the second face of the cleaning disc. The direction pointed by the second end of the scraping strip is the rotating direction of the cleaning disc; by means of the design, the dust collection range and effect of the suction assembly can be effectively improved, and meanwhile photovoltaic panel damage caused by large suction force can be avoided.

The invention discloses an adjustable lossless annular jet flow fish suction pump, which belongs to the technical field of fish suction equipment, and comprises a working water straight pipe, the outer wall of the working water straight pipe is communicated and connected with a working water inlet pipe, and one end of the working water straight pipe is connected with a conveying mechanism. The other end of the working water straight pipe is sequentially connected with a reducing pipe, a buffering assembly, a throat pipe and a diffusion pipe in a penetrating mode. The diameter of the end, close to the working water straight pipe, of the reducing pipe is larger than that of the other end. The size of the annular nozzle can be adjusted through the flow channel structure of the working water straight pipe, the reducing pipe, the buffer assembly, the throat pipe and the diffusion pipe in cooperation with the telescopic guide assembly. The guide assembly stretches and retracts inside to change the distance between the guide assembly and the inner wall of the reducing pipe, adjustment operation is easy and convenient, and then the width of the annular nozzle is adjusted; the nozzle is narrowed to increase the negative pressure and the conveying speed, and the efficient conveying requirement is met; and the nozzle is widened, so that the negative pressure is reduced to adapt to low-speed conveying of fragile live fish.

The utility model provides a kind of mechanical arm lateral suction subassembly, comprising: a support base;Positioning plate is set in the side of support base;A sliding base is slidably set on support base;A suction disc matrix is set in sliding base, the suction disc of suction disc matrix is oriented to the side of departing from positioning plate, several exhaust branch pipes connect the back side of suction disc matrix and communicate suction disc;A exhaust main pipe, exhaust main pipe is limited in positioning plate, one end of exhaust main pipe is communicated exhaust branch pipe respectively, other end is communicated a air extraction equipment;And several support arms, the first end of support arm is connected to support base, and second end extends to the side of departing from positioning plate, and support arm forms the support platform of support suction object bottom surface jointly;A abutting plate is connected to the second end of support arm.The utility model can be aimed at unloading stacked carton scene lateral gripping, support heavier load, support carton bottom in the process of carrying, prevent bottom box from falling.

The utility model provides a pressure-regulating medical multi-connected tank, and belongs to the technical field of medical instruments. Comprising a tank body, a suction cup is arranged at the bottom of the tank body and communicated with the interior of the tank body, a three-way pipe is fixed to the top of the tank body and communicated with the interior of the tank body, and a pressure adjusting assembly is arranged at the top of the three-way pipe; the multiple cup bodies are connected through the three-way pipe, and air in the multiple cup bodies is extracted through the negative pressure suction equipment, so that the multiple cup bodies are all in a vacuum state, the cupping operation is achieved, and the problems of complexity and long time consumption caused by one-by-one negative pressure suction operation are solved; and the vacuum state of the cup body can be quickly relieved through the arrangement of the pressure regulating assembly, so that the time consumption during cupping operation is greatly reduced.

The utility model discloses convenient adjustable grain suction equipment which comprises a base, a mounting mechanism is arranged on the inner wall of the base, the mounting mechanism comprises a mounting sliding block, and the mounting sliding block is connected to the inner wall of the base in a sliding mode; the driving mechanism comprises a double-shaft motor, a driving belt pulley, a transmission belt, a driven belt pulley, a mounting shaft, a positioning sleeve, an auger and a controller, and a conveying mechanism is arranged at the top of the base; the double-shaft motor is adaptively mounted on the equipment through the mounting mechanism, the driving mechanism is matched with the conveying mechanism to carry out feeding, discharging and conveying on grains, the whole equipment is convenient and fast, flexible bulk conveying operation can be carried out on the grains according to the material suction requirement, in the conveying process, the internal condition of the conveying mechanism can be observed, and the conveying efficiency is improved. And whether the equipment is in a normal grain suction state or not is judged, so that the stability of grain suction operation is ensured, and the practicability and functionality of the equipment are improved.

The utility model relates to the technical field of suction cup structures, in particular to a suction cup structure capable of rapidly switching plugging plates and demolding equipment. The suction cup base of the suction cup structure capable of rapidly switching the plugging plate is communicated with suction equipment through a pipeline, and the suction cup base is provided with a downward opening; the cover plate is detachably arranged below the suction cup base so as to block the opening, a plurality of suction holes distributed in an array mode are formed in the cover plate, suction nozzles are installed in the suction holes, the suction cup base and the cover plate jointly define a containing space, and the containing space is communicated with the pipeline and an air channel of each suction nozzle; and any one of the blocking plates is mounted in the cover plate, and the blocking plates are used for blocking the air channel of the suction nozzle in a material-free area. The additionally-arranged blocking plates can block the suction nozzles in the areas without materials, the materials can be better adsorbed, and the multiple blocking plates of different types can adapt to adsorption of the materials of different types.

The utility model provides a kind of polysilicon reaction kettle cleaning device, it is related to polysilicon production equipment technical field.The polysilicon reaction kettle cleaning device includes: mobile trolley, silicon material crushing mechanism and dust extraction mechanism.Mobile trolley has trolley body, and moving assembly is arranged on trolley body;Silicon material crushing mechanism is set on trolley body;Silicon material crushing mechanism at least has lifting cylinder and drill bit, and lifting cylinder can drive drill bit to work;Dust extraction mechanism has suction line and conveying line;Suction line is arranged on mobile trolley, and conveying line is communicated with suction line;When mobile trolley is placed inside polysilicon reaction kettle body, conveying line can pass through the reaction kettle inlet and outlet opening on polysilicon reaction kettle body and be communicated with external suction equipment.The utility model can replace artificial to carry out efficient polysilicon reaction kettle inside residual silicon material cleaning.

The invention discloses a biological cell culture sampling device for a biological test, which comprises a culture bottle and a sealing cover made of a transparent material, a rotary locking mechanism and a sealing assembly are arranged between the sealing cover and a sampling port in a matched manner, and an electric push rod is fixedly arranged at the upper end of the sealing cover. The piston end of the electric push rod extends into the sealing cover and is fixedly provided with a sampling needle assembly, the side wall of the sealing cover is communicated with a vacuumizing connector and a pressure regulating air inlet valve, an efficient particle air filtering film is arranged in the pressure regulating air inlet valve, and the top of the sealing cover is provided with a suction connector used for being connected with external negative pressure suction equipment. Through cooperation of the rotary locking mechanism and the sealing assembly, reliable sealing of the sealing cover and the sampling opening of the culture bottle is achieved, vacuumizing pretreatment is combined, external air is prevented from entering the culture bottle during puncture sampling, the sterility of a culture system is guaranteed, a main sealing structure of the culture bottle does not need to be opened in the whole sampling process, and the sampling efficiency is improved. And the original stable gas environment in the culture bottle is maintained.

The utility model discloses a dust sucking device for a laser etching nozzle, which relates to the technical field and comprises a supporting component, a workpiece and laser etching equipment, the supporting assembly comprises a box body, a boss fixedly arranged at the top end of the box body, a plurality of sets of suction holes formed in the box body, an inner cavity formed in the box body and an air suction pipe, wherein the pipe end of the air suction pipe fixedly penetrates into the box body and is communicated with the inner cavity. A workpiece is attached to the boss to be stably supported, the multiple sets of suction holes communicate with the interior of the inner cavity, the to-be-cut position of the workpiece is close to the suction holes, and the other end of the air suction pipe communicates with smoke suction equipment. The smoke suction device has the advantages that the smoke suction device is started in advance to sequentially generate suction force in the air suction pipe, the inner cavity and the suction hole, the generated smoke can directly enter the suction hole downwards to be sucked into the smoke suction device, the smoke direction is specifically sucked, the suction force is high, and the capacity that the smoke is not prone to making contact with workpiece products and polluting the workpiece products is improved; and the arranged positioning assembly is used for improving the workpiece placing efficiency and accuracy so as to improve the machining efficiency.

The invention relates to a building wall grinding tool and method capable of automatically collecting dust. The building wall grinding tool comprises a rack, a disc structure, a clamping structure and a grinding disc structure. When the grinding disc structure is used for grinding, dust can be evenly sucked to the upper position along the dust inlets in the bottoms of the clamping rods, flows along the channels of the clamping rods and is finally collected into the negative pressure equipment for collection, and the dust inlets are very close to the grinding edge position and are evenly formed in the peripheral area. And the purpose of quickly removing dust is achieved. Dust formed in the grinding process of the grinding disc structure can be sucked away along dust inlets formed in the bottoms of the multiple arranged clamping rods in the surrounding area, the sucked-away dust sequentially passes through the flexible connecting pipeline and the airflow connecting rod through channels in the clamping rods and then enters the dust suction equipment, and the dust suction equipment belongs to the prior art. No display is shown in the picture, and adsorption and collection can be completed only through communication of a flexible pipeline in actual use.

The invention discloses a child emergency treatment respiratory tract foreign matter rapid removing device, relates to the technical field of respiratory tract foreign matter removing, and aims to solve the technical problem that existing negative pressure suction equipment is too large in negative pressure and prone to directly adsorbing laryngeal mucosa to cause injury. Comprising a hose adaptively communicated with the input end of a negative pressure suction tube, a leakage connector, an annular groove, a removing mechanism, a collecting assembly and an angle adjusting assembly. By means of meshing or non-meshing switching of the transmission rod and the conveying cylinder, the two working states of lower cone rotating collection and upper cone sealing extraction of the guide sealing module can be flexibly adjusted and controlled, in the non-meshing state, the guide sealing module is in a lower cone shape and rotates with a gap reserved, throat mucus can be actively drawn in, and hard extrusion to the delicate throat is avoided; during meshing, the module moves upwards to be in a sealed upper cone shape, negative pressure extraction and spiral groove path optimization are matched, discomfort of the throat of a child caused by too high local negative pressure is prevented, high-viscosity mucus fracture can be avoided, and it is guaranteed that mucus is rapidly and thoroughly discharged.

The utility model discloses multifunctional underwater inspection equipment which comprises an underwater robot, two mounting plates and a control box are fixedly connected to the upper end of the underwater robot, a controller and a wireless module are arranged in the control box, a desilting mechanism used for removing silt is arranged on the side wall of the underwater robot, and the underwater robot is connected with the desilting mechanism. The dredging mechanism comprises two mounting blocks fixedly connected to the side wall of the underwater robot, a first driving box is mounted on the two mounting blocks through a first rotating shaft, a drill rod is arranged at the output end of the first driving box, and mounting rods are mounted on the two mounting blocks through a second rotating shaft. According to the underwater robot, the dredging mechanism is arranged, the drill rod can be driven to rotate through the first driving box in the equipment inspection process, sludge in water is dredged in the advancing process of the underwater robot, and the underwater robot is matched with the sludge suction equipment, so that the functions of the equipment are richer.

The utility model provides a kind of oil fume suction, belong to oil fume suction equipment technical field. Including casing and fan, the casing includes mutually communicating fume collector and fan cover, the fan cover has first plane and second plane;The fan is installed in the fan cover, the fan has first air inlet surface and second air inlet surface;Wherein, the first air inlet surface is oppositely arranged with the first plane, the second air inlet surface is oppositely arranged with the second plane, the distance from the first air inlet surface to the first plane is greater than the distance from the second air inlet surface to the second plane. This oil fume suction machine passes through the distance from first air inlet surface to first plane is greater than the distance from second air inlet surface to second plane, without extra increasing the power of fan, can improve the smoke volume of oil fume suction machine, greatly improve the use experience of user.

The invention relates to an electric unmanned TMR (total mixed ration) spreading vehicle, which belongs to the technical field of animal husbandry equipment, and comprises a carrying platform, a spreading assembly is carried above the carrying platform, and the spreading assembly comprises a cabinet body, a suction type feeding assembly and a discharging assembly. The suction type feeding assembly comprises a feeding separation box, air exhaust equipment and a corrugated pipe which are arranged in the cabinet body, and feeding is achieved in a negative pressure suction mode. The discharging assembly comprises one or two screw conveyors and a discharger, the screw conveyors input the fully mixed daily ration in the cabinet body into the discharger, and the discharging operation is completed through the discharger with the adjustable direction. Through all-around innovation of unmanned driving, intelligent feeding, flexible discharging and accurate pushing, upgrading of automation, high efficiency, environmental protection and multi-functionalization is achieved, operation requirements of modern large-scale farms are better met, the breeding efficiency can be remarkably improved, the operation cost can be reduced, and the health of livestock, poultry and personnel can be guaranteed.

The utility model provides filter stick production equipment. The filter stick production equipment comprises powder adding equipment and a filter stick conveying line, the powder adding equipment comprises a discharging mechanism and a discharging device. The discharging mechanism comprises a discharging disc, a material plate, a material plate driving mechanism and a material disc cover plate. The material tray cover plate comprises a tray body and a material suction piece; the tray body covers the top of the blanking tray; the material sucking piece is arranged on the inner side of the tray body and extends into the material groove; the material suction piece is connected with negative pressure suction equipment, and the negative pressure suction equipment is used for providing negative pressure for the material suction piece so as to suck powder accumulated in the material groove; the discharging device is arranged below the discharging position of the discharging mechanism. The filter stick conveying line is arranged below the discharging position of the discharging device. Compared with the prior art, the filter stick production equipment has the advantage that powder can be better prevented from being locally accumulated on the discharging disc.

The invention discloses a sealed dust-free asphalt concrete mixer which comprises a tank body mechanism, the tank body mechanism comprises a mixing tank, the outer side of the mixing tank is fixedly connected with an outer heat insulation layer, and an assembly cavity is formed between the outer heat insulation layer and the mixing tank. According to the invention, through the arrangement of the dust removal mechanism, when broken stones and powdery raw materials are fed from the feeding hole, air flow can enter from the feeding hole by starting air extraction equipment, and in the process, dust and powdery materials generated by collision among the broken stones can be sucked in through flowing of the air flow, so that the dust is prevented from being splashed out from the feeding hole, and dust-free feeding is realized; the working environment is guaranteed, the use safety is improved, meanwhile, dust can be filtered through filter cloth, it is avoided that the dust is pumped out, and the proportion of raw materials is affected, so that the qualified rate of produced asphalt concrete is guaranteed, the outer ring is limited in an extrusion mode through arrangement of an extension sleeve and an assembly bin, and installation is more convenient.

The utility model discloses an inflator pump which comprises a shell, the shell comprises a middle shell, an upper shell is arranged at the top of the middle shell, a lower shell is arranged at the bottom of the middle shell, a driving mechanism is installed in the shell, the driving mechanism is installed in a barrel shell, and an inclined swinging piece, a piston and a circular plate are arranged in the barrel shell. A plurality of piston holes are annularly and longitudinally formed in the top of the circular plate at equal angles in a penetrating mode, pistons are arranged in the piston holes in a matched mode, the driving mechanism is used for driving the oblique swinging piece to swing and periodically push and pull the pistons to reciprocate, a through hole is formed in the center of the top of the circular plate in a penetrating mode, and a one-way valve is installed in the through hole. An air exhaust nozzle threaded opening is formed in the top of the upper shell in a penetrating mode, and an air inflation nozzle threaded opening is formed in the bottom of the lower shell in a penetrating mode. The problems that most of existing air inflation pumps only have a single air inflation function and are difficult to have the air exhaust function and the air inflation function at the same time, a user needs to additionally purchase air exhaust equipment, and the use cost is increased are solved.

The utility model relates to the technical field of moxa cone processing, in particular to an automatic moxa cone packaging machine which comprises a packaging machine body and a transfer mechanism arranged in the packaging machine body, the transfer mechanism comprises a conveying table, a moxa cone conveying seat is installed on the top of the conveying table, and two sets of limiting plates are connected to the top of the moxa cone conveying seat through fixing bolts. One side of the moxa cone conveying seat is connected with an arc-shaped guide plate, a push plate is arranged at the bottom of the arc-shaped guide plate, and a second horizontal telescopic rod for adjusting horizontal movement of the push plate is arranged at the bottom of the moxa cone conveying seat; when the moxa cones are pushed to the correcting piece and the push plate resets, the dust collection pipe is connected with external dust collection equipment for dust collection, the dust collection cover sucks and removes residues on the conveying table, the feeding piece can clamp and push the moxa cones to the next machining point for film packaging, and the moxa cones can be cleaned on the conveying table when placed. The moxa cones are arranged and positioned before film packaging, it is ensured that the moxa cones are placed in packaging bags in order, and meanwhile residues in products after packaging are reduced.

The utility model discloses an automatic crab spawn suction device for crabs, and relates to the field of crab spawn suction equipment, the automatic crab spawn suction device for crabs comprises a moving cabinet, a storage barrel is fixed in the middle of the moving cabinet, the top of the storage barrel is connected with a suction pipe through a hose, and a Z-axis moving mechanism is fixed on the outer wall of one side of the moving cabinet; according to the automatic crab spawn sucking device for the crabs, by combining crab spawn sucking equipment with two fixing forms of a sucking pipe in the traditional technology, the sucking pipe is detachably installed on the movable cabinet, the equipment can adapt to the application scene that the sucking pipe is fixed to the movable cabinet for crab spawn sucking work, and can also adapt to the situation that the sucking pipe is separated from the movable cabinet; and the adaptability is greatly improved when a worker holds the suction pipe by hand to suck the crab spawn.