296results about How to "Great suction" patented technology

The invention relates to an exchange platform laser cutting device. The device comprises a rack, a climbing rail, a translation rail, a translation platform, a climbing platform, a driving mechanism, a three-dimensional moving mechanism and a laser cutting mechanism. The rack comprises a first area and a second area, a plurality of partition plates are arranged at the bottom of the rack corresponding to the first area to form a plurality of smoke exhaust sub-areas, a smoke exhaust port is formed in the rack corresponding to one side of each smoke exhaust sub-area, each smoke exhaust port is connected with a smoke exhaust pipe, a total air outlet is formed in the smoke exhaust pipe, and the total air outlet is communicated with the smoke exhaust sub-areas. An air door and an air door driving assembly used for driving the air door to be opened and closed are arranged at the smoke outlet. The running track of the climbing platform is that the climbing platform ascends and then descends, when the climbing platform and the translation platform are staggered, the climbing platform is located above the translation platform, the climbing platform does not occupy the bottom space of the rack, in this way, the bottom space of the first area of the rack can be released, and therefore a smoke exhaust mechanism can be arranged in the bottom space of the rack.

The invention provides a sewage pumping control method of a cleaning base station, a liquid pumping system, the cleaning base station and a cleaning system.The cleaning base station comprises a base station body, a cleaning tank is arranged at the bottom of the base station body, and the cleaning tank is used for collecting sewage generated when the cleaning base station cleans a cleaning assembly of self-cleaning equipment; a cleaning tank is arranged in the base station body, a liquid storage container is arranged on the base station body and used for collecting sewage in the cleaning tank, and the sewage pumping control method comprises the following steps that a sewage pumping channel between the cleaning tank and the liquid storage container is closed; performing air exhaust operation on the liquid storage container until the negative pressure of the liquid storage container reaches a set threshold value; opening a sewage pumping channel between the cleaning tank and the liquid storage container; and sewage in the cleaning tank is pumped into the liquid storage container under the action of negative pressure. By means of the sewage pumping control method, the technical problems that in the process that an existing liquid pumping system pumps sewage in the sewage tank, bubble sound is obvious, and the duration time is long can be solved.

The invention discloses an automatic steel backing feeding device and method based on automobile brake pad production, and relates to the technical field of steel backing machining and feeding. The automatic steel backing feeding device and method based on automobile brake pad production comprise a feeding unit, a suction cup fixed to the feeding unit and used for sucking and pressing a cold-roll steel sheet of the automobile brake pad steel backing, and a control box placed beside the feeding unit, used for controlling the feeding unit to operate and provided with an image recognition module. The feeding unit is provided with a detection assembly which is located under a suction cup and used for detecting the surface cleanliness of the cold-roll steel sheet, the detection assembly comprises a fixing plate which is fixed to the feeding unit and used for supporting the detection assembly, and a sliding sleeve is movably installed at the bottom of the fixing plate and used for sliding the detection assembly to the feeding unit. The degree that the edge of the suction cup is folded into a wave shape is controlled according to the amount of oil dirt and oil sludge, different suction conditions of different steel plate surfaces are dynamically adapted, and the operation reliability and stability are improved.

The invention relates to a dust-free cutting device for processing metal parts of textile machinery, which comprises a cutting main body mechanism, the cutting main body mechanism comprises a welding base, a protective cover, a cutting arm hinging base, a cutting arm hinging shaft seat, a cutting arm, a tail hinging plate, a stretching air cylinder, a laser transmitter, a main rotating motor base, a main rotating motor, a hollow chuck and a driving belt wheel; the protective cover is fixedly arranged on the welding base, the cutting arm hinge bases are fixedly arranged in the middle of the top face of the welding base, and the number of the cutting arm hinge shaft seats is two. The standards of cutting depth and cutting precision are improved; and the smoke adsorption effect is improved, the smoke absorption rate generated in the cutting process is increased, and therefore harm to workers caused by dust and smoke in equipment when equipment protection is opened for feeding and discharging is effectively relieved.

The invention relates to the technical field of pipeline detection equipment, and provides a pipeline crawler aiming at the situation that impurities in a pipeline easily interfere with detection of a pipeline crawler detection instrument, the pipeline crawler comprises a rack, a control system, an image acquisition mechanism, a detection mechanism, an axial walking mechanism, a circumferential walking mechanism and a cleaning mechanism; the axial walking mechanism and the circumferential walking mechanism are both installed on the periphery of the rack, the axial walking mechanism is used for driving the support to move in the axial direction of the pipeline, and the circumferential walking mechanism is used for driving the rack to move in the circumferential direction of the pipeline; the cleaning mechanism is located on the periphery of the rack and comprises a cleaning brush and a first sliding driving part, the cleaning brush is used for brushing the inner wall of a pipeline, and the first sliding driving part is used for driving the cleaning brush to move in the direction close to or away from the rack. The device has the effect of reducing interference of impurities on the inner wall of the pipeline to detection equipment.

The invention relates to the technical field of medical instruments, in particular to an aspirator for surgical debridement, which comprises a debridement mechanism, the debridement mechanism comprises a negative pressure aspirator, a buffer bottle and a liquid storage bottle which are arranged on the negative pressure aspirator, and a hose for sequentially connecting the negative pressure aspirator, the buffer bottle and the liquid storage bottle, the aspirator is connected with the liquid storage bottle through a hose, the suction force adjusting mechanism comprises a negative pressure adjusting assembly arranged on the hose connected with the liquid storage bottle and the aspirator, and a gear shifting assembly arranged on the negative pressure adjusting assembly; the negative pressure adjusting assembly comprises a circulation pipe connected with the aspirator and a negative pressure hole formed in the circulation pipe, and the problems that existing suction equipment usually only has a fixed suction force, even if the suction force can be adjusted, the suction force needs to be adjusted and set on a negative pressure main machine, and the suction force cannot be adjusted are solved. And adjustment cannot be carried out in real time according to actual requirements in the operation process.

The invention discloses a grooving and chamfering device for a heat dissipation water cooling plate, and relates to the technical field of battery pack water cooling plate machining, the grooving and chamfering device comprises a supporting base, a fixed mold and a movable mold, hydraulic telescopic rods used for driving the movable mold to ascend and descend are fixedly installed on the two sides of the supporting base, and the grooving and chamfering device further comprises a piston type lubricating liquid conveying mechanism and a lubricating liquid brushing mechanism; a linkage driving mechanism is arranged between the piston type lubricating liquid conveying mechanism and the telescopic end of the hydraulic telescopic rod in a matched mode. In the process that the hydraulic telescopic rod drives the movable die to move for stamping, the main piston plate arranged at the telescopic end of the hydraulic telescopic rod in a linkage mode moves along the main piston cylinder, a certain amount of lubricating liquid is extruded and fed into the shaping groove of the fixed die, lubricating is convenient, and when the hydraulic telescopic rod drives the movable die to reset, the main piston plate synchronously resets, so that the working efficiency is improved. The main piston barrel can conveniently suck the lubricating liquid in the fixed die back, and the flowing lubricating liquid can conveniently take away heat generated by metal deformation or abrasion in the stamping process.

The invention relates to a negative active material and a preparation method thereof, a negative pole piece, a battery and an electric device. The negative electrode active material comprises: an inner core, which comprises porous graphite and a sulfur-doped hard carbon-metal oxide material, and the sulfur-doped hard carbon-metal oxide material is arranged in a pore channel of the porous graphite; the shell layer coats at least part of the surface of the inner core, and the shell layer comprises a polyaniline material. According to the negative electrode active material provided by the invention, through the synergistic effect among the porous structure of the graphite, the sulfur-doped hard carbon-metal oxide material and the shell layer containing the polyaniline material, the capacity performance, the rate performance and the cycle performance of the battery are improved at the same time, and the comprehensive improvement of the material performance is realized.

The invention relates to an electric cabinet metal plate milling device which comprises a machine tool and a vacuum adsorption carrying table assembly of the machine tool. The assembly comprises an adsorption platform deck, a base and an integrated valve terminal, a negative pressure through hole in the adsorption platform deck is divided into a negative pressure concentration area and a central adsorption area, the bottom is connected with the integrated valve terminal through a pipe joint, and a proximity sensor is arranged on the outer side. Suction force of different areas is subjected to partition management through the integrated valve terminal, and the adsorption force can be dynamically adjusted according to the position of the milling cutter. When the milling cutter approaches, the valve opening degree of the corresponding area is adjusted through the integrated valve terminal, reasonable distribution of suction force is achieved, and the suction requirement of the milling cutter during machining at different positions of a thin plate can be met even if the total suction force is constant. In addition, a chip blowing mechanism is further arranged, chips can be blown away, false alarm of the sensor is prevented, machining reliability and efficiency are ensured, and the milling quality of the electric cabinet thin plate with the thickness being 1 mm is improved.

The invention relates to the technical field of trachea cannulas, and provides a monitoring type pressure sore prevention trachea cannula which comprises a trachea cannula and a cannula fixator, the trachea cannula penetrates through the interior of the cannula fixator, the cannula fixator comprises a fixator body, a sliding plate, a top cover and a bandage, and through the arrangement of the cannula fixator, the sliding plate and other structures, the pressure sore prevention trachea cannula can be effectively monitored. The cannula fixator adopts high-density dressing and an elastic bandage to ensure that the cannula fixator is tightly attached to the mouth of a patient and is comfortable, the design of a sliding plate can be flexibly adjusted according to requirements, a clamping structure of an embedded block and an elastic rubber pad is stable and reliable, a top cover is in threaded connection, a cannula body can be easily fixed, meanwhile, a visible window is provided, and the visual effect is good. Oral cavity diagnosis and treatment, sputum suction, oral cavity nursing, specimen reserving and taking and other operations are facilitated, respirator-associated pneumonia is effectively prevented, the safety of a patient and clinical operation convenience are improved, and the problem of pressure sores in the prior art is solved through the technical scheme.

The utility model provides an integrated two-piece assembled centrifugal fan blade structure which comprises an upper half part and a lower half part, the upper half part comprises a blade assembly and a wheel cover, and the lower half part is a wheel disc; with the central axis P of the wheel cover as the axis, the wheel cover, the blade assembly and the wheel disc coaxially correspond to each other; an air inlet is formed in the center of the wheel cover, the blade assembly comprises a plurality of arc-shaped blades, an air outlet channel is formed between every two adjacent blades, an air inlet is formed in one end of each air outlet channel, an air outlet is formed in the other end of each air outlet channel, and the air inlets are communicated with the air inlets; the wheel cover and the blade assembly are integrally formed and machined to form an upper half part, and the upper half part and the lower half part are connected with the wheel disc in a riveted mode through the blade assembly. The wheel cover and the blade assembly are integrally machined through the CNC engraving and milling technology, so that the connecting strength and the overall rigidity of the wheel cover and the blade assembly are effectively enhanced, the air suction force is improved, and the higher rotating speed can be achieved to meet the use requirements of consumers.

The invention discloses magnetic powder inspection equipment for aircraft parts, and relates to the technical field of magnetic powder inspection equipment. The device specifically comprises a base, and a flaw detection material spraying device used for spraying magnetic powder to parts is arranged above the base; a sliding barrel used for being matched with suction is arranged above the base, one end of the sliding barrel communicates with two cleaning boxes, the two cleaning boxes are distributed in a V shape, and the sliding barrel drives the cleaning boxes to rotate around the exterior of a part; through grooves are formed in the sides, close to each other, of the two cleaning boxes correspondingly, and cotton rollers used for cleaning the outer walls of the parts are arranged in the through grooves. According to the magnetic powder inspection equipment for the aircraft parts, by arranging the inspection spraying device, the cotton roller, the suction gap and other structures, the effects of inspection and automatic impurity cleaning can be achieved, meanwhile, the suction gap is intermittently closed, the suction force in the cleaning box is enhanced, impurities are prevented from being left on the cotton roller, and the use efficiency of the magnetic powder inspection equipment is improved.

The electronic cigarette comprises a shell, an atomizer and a main control unit, one end of the shell is provided with an opening, the shell is provided with a mounting base, the atomizer is fixed to the upper portion of the mounting base, part of the atomizer extends out of the opening, the main control unit is detachably mounted at the end, away from the atomizer, of the shell, and an air inlet is formed in one side of the shell; the mounting base is provided with an air inlet hole and an air inlet channel communicated with the atomizer, the atomizer is provided with an oil storage cavity, an atomization module is fixedly mounted in the oil storage cavity, and a first drainage channel extends downwards from the end, away from the atomizer, of the air inlet channel of the mounting base in the direction of the main control unit; the end, close to the atomization module, of the main control unit is provided with a second drainage channel communicated with the first drainage channel, an airflow sensor is arranged in the second drainage channel, the air inlet hole is formed between the airflow sensor and the air inlet channel, the length of the air channel can be shortened, and therefore the airflow sensor can rapidly detect the airflow change of the channel to start the electronic cigarette. And other parts are not arranged in the drainage channel, so that the suction resistance is small, and a better suction effect is achieved.

The present invention relates to the technical field of gas cylinder inflation, and specifically to a mobile gas cylinder inflation device, comprising a carrier plate, a supporting mechanism for placing the gas cylinder is fixed to the bottom surface of the carrier plate, the supporting mechanism comprises a telescopic pipe fixedly connected to the carrier plate, a support plate is fixed to the top of the telescopic pipe, a transmission ring is fixed to the outside of the support plate, a cleaning brush roller for cleaning the gas cylinder is rotatably connected to the top of the transmission ring, and a cylinder is fixed to one side of the carrier plate. In the present invention, the opening and closing of the valve on the gas cylinder is automatically regulated by rotating the hand wheel with the limit block on the circular plate by a motor, and the cylinder body is synchronously moved downward with the gas cylinder by the bend pipe and the air guide pipe by the increase of the weight of the gas cylinder during the inflation process. After the gas cylinder is filled with gas, the bend pipe moves the air guide pipe downward to the position inside the inflation pipe to block the air guide pipe, so that the gas cylinder pipeline filled with gas is automatically disconnected by the weight of the inflated gas cylinder, thereby improving the safety of inflation.

The invention discloses a metal sheet carrying device and belongs to the technical field of sheet carrying, the metal sheet carrying device comprises a cross beam, the top of the cross beam is fixedly connected with two pieces of supporting steel, the tops of the two pieces of supporting steel are fixedly connected with hanging steel, the tops of the hanging steel are fixedly connected with hanging rings, and the front end and the rear end of the cross beam are provided with adjusting mechanisms. An adsorption mechanism is installed on the top of the cross beam, and a rotating mechanism is installed on one side of the adjusting mechanism. By designing the adjusting mechanism, the adsorption mechanism and the rotating mechanism, a metal sheet can be adjusted according to the width of the sheet during carrying work, the edge of the sheet can be better attached by adjusting the distance between suction cups, the suction force is increased, the risk of slipping or falling in the carrying process is reduced, and the safety is improved; the metal iron plate side-standing carrying device can carry metal iron plates in a side-standing mode, effectively utilizes the vertical space, can carry the metal iron plates more flexibly especially in a narrow working environment, and improves the use efficiency of the space.

The invention discloses carbon dioxide recycling equipment for efficiently catching mosquitoes, and belongs to the technical field of mosquito catching equipment.The carbon dioxide recycling equipment comprises an equipment shell, a mosquito catching pipe, a mosquito catching cavity, a collecting groove, a circulating pipeline, a carbon dioxide input structure and a draught fan, under the action of the draught fan, mosquitoes are sucked into the mosquito catching pipe, and threads on the inner wall of the mosquito catching pipe can enable air to form eddy currents; meanwhile, the carbon dioxide input structure can release carbon dioxide into the mosquito catching pipe, the mosquitoes are prevented from escaping, after the mosquitoes are killed by the mosquito killing device in the mosquito catching cavity, dead bodies can fall into the detachable collecting tank to wait for being treated by workers, and gas rich in carbon dioxide can be output from the gas outlet of the circulating pipeline after continuously entering the circulating pipeline; a high-concentration carbon dioxide area can be formed between the gas inlet and the second end of the circulating pipeline, so that mosquitoes are continuously attracted, gas rich in carbon dioxide can enter the gas inlet again, and cyclic utilization of carbon dioxide is achieved.

The utility model discloses a centrifugal sand pump which comprises a base, a pump shell is fixed to the outer wall of the top face of the base, a transmission shaft is rotationally connected to the inner wall of the pump shell, a plurality of impellers are connected to the outer wall of the transmission shaft, an avoiding cavity is formed in the side, located on the largest impeller, of the interior of the pump shell, and a motor is fixed to the outer wall of the top face of the base. A motor output shaft is connected with a connecting box, and a moving block is fixed to the end, away from the pump shell, of the transmission shaft. By arranging the connecting box, the transmission shaft, the avoiding cavity, the moving block, the electromagnets, the reset spring, the sliding groove and the limiting block, when the impeller is clamped, the output shaft of the motor is clamped, the current of the stator winding of the motor is increased, the attraction force between the two electromagnets is increased, and the moving block moves towards one end of the connecting box; the impeller is driven to move towards the interior of the avoiding cavity, at the moment, an impeller runner is enlarged, the impeller can rotate smoothly, the manual cleaning frequency is reduced, and the working efficiency is improved.

The invention discloses a high-precision brushless motor, and relates to the field of brushless motors, the high-precision brushless motor comprises a shell, a stator is fixed in the shell, a rotor is arranged in the stator, two ends of the rotor are rotatably connected with bearings, the shell is provided with an active lubrication noise reduction mechanism, the active lubrication noise reduction mechanism corresponds to the bearings, and the active lubrication noise reduction mechanism is connected with a motor. And an extrusion stabilizing mechanism is arranged on the bearing. The active lubrication noise reduction mechanism monitors noise generated by rotation of the two bearings, when the bearings lack lubrication and generate large noise, the active lubrication noise reduction mechanism injects lubricating oil to the bearings, the bearings are lubricated through the lubricating oil, and meanwhile the active lubrication noise reduction mechanism drives the extrusion stabilizing mechanism; the extrusion stabilizing mechanism limits injection of the active lubrication noise reduction mechanism, so that when the brushless motor works, generated noise can be reduced, the frequency of maintaining the brushless motor is reduced, and the service life of the brushless motor is prolonged.

The invention discloses a relay. The relay comprises a contact assembly and a stopper. The contact assembly comprises two movable spring parts which are arranged side by side, and a parallel circuit structure is formed when the two movable spring parts make contact with each other. The stop piece is arranged between the two movable spring parts and used for stopping the two movable spring parts, so that the deflection of bending deformation generated after the two movable spring parts attract each other due to the fact that current passes through the parallel circuit structure is smaller than or equal to a threshold value.

The utility model provides a paper bottle mold, a paper bottle wet blank forming device and a paper bottle hot-pressing shaping device. The paper bottle mold comprises an upper mold, a lower mold and a rear mold, an upper bottle body cavity, an upper bottle mouth cavity communicated with the upper bottle body cavity and an upper rear side channel communicated with the upper bottle body cavity are formed in one end, facing the lower mold, of the upper mold; a lower bottle body cavity, a lower bottle cavity cavity communicated with the lower bottle body cavity and a lower rear side channel communicated with the lower bottle body cavity are formed in one end, facing the upper mold, of the lower mold; the rear mold is arranged on the upper rear side channel in a sliding manner, or the rear mold is arranged on the lower rear side channel in a sliding manner; when the upper mold and the lower mold are closed, the upper bottle cavity and the lower bottle cavity enclose to form a first mold cavity, the upper bottle body cavity and the lower bottle body cavity enclose to form a second mold cavity, and the upper rear side channel and the lower rear side channel enclose to form a discharge cavity; the rear mold is arranged to be matched with the end opening, facing the second mold cavity, of the discharging cavity, and the rear mold is driven by the rear driving device to move to the end opening, facing the second mold cavity, of the discharging cavity to be in clearance fit with the discharging cavity. According to the paper bottle mold disclosed by the utility model, integral forming of a paper bottle wet blank / a paper bottle product can be realized.

The invention relates to a jack wire crimping device which comprises a jack feeding mechanism, a wire feeding transfer station, a laser wire stripping mechanism, a crimping mechanism, a crimping detection mechanism and a discharging mechanism which are arranged on a workbench. The closed-loop transfer track base and the wire feeding frame are combined to complete wire stripping, plugging jack crimping, crimping detection and classified discharging on the laser wire stripping mechanism, the crimping mechanism, the detection mechanism and the discharging mechanism, so that the plugging crimping operation of the wire jack is integrally completed, the automation degree is high, and the plugging precision is high.

The invention relates to a down filling device for down jacket production, relates to the technical field of garment processing, and aims to solve the problem of low working efficiency of manual fabric filling. The down filling device for down jacket production comprises a storage basket for storing filler and a transfer part for transferring the filler, the input end of the transfer part is communicated with a suction pipe for sucking the filler, and the output end of the transfer part is communicated with a conveying pipe for conveying the filler. And the end part, far away from the transfer piece, of the conveying pipe is communicated with a filling nozzle extending into the fabric. The fabric filling device has the effect of efficiently filling the fabric.

The utility model belongs to the technical field of cantilever devices, and particularly relates to an anti-collision cantilever device which comprises a cantilever body. One side face of the cantilever body is fixedly connected with a positioning frame, and a sensor is installed in the positioning frame. Through the arrangement of the cleaning mechanism, a sensor and a range finder can be cleaned, the possibility that dust is attached to the sensor and the range finder is reduced, the anti-collision cantilever is installed on a bucket wheel machine, high-pressure gas is pumped into an air inducing pipe, a piston moves, the piston drives a rack to move, a baffle plate moves upwards, and a positioning frame is exposed; when the anti-collision cantilever and the bucket wheel machine stop, an external fan stops synchronously, a baffle plate moves downwards to conduct positioning on the positioning frame, and dust is blown into the positioning frame through a plurality of blowing pipes which are distributed at equal intervals, so that dust attached to or floating on the sensor and the distance measuring instrument is removed, and the induction sensitivity of the sensor and the distance measuring instrument is prevented from being affected by the dust. Dust is prevented from being attached to the sensor and the range finder when the bucket wheel machine does not run.

The utility model belongs to the technical field of smashing and demagnetizing of lithium iron phosphate materials, and particularly relates to airflow smashing equipment with a demagnetizing function, which comprises an airflow smashing equipment body, an electromagnetic demagnetizing component is fixed at the bottom of the airflow smashing equipment body, and the top of the electromagnetic demagnetizing component is positioned in the airflow smashing equipment body. Demagnetizing pipelines are symmetrically arranged on the left side and the right side of the airflow crushing equipment body, one ends of the demagnetizing pipelines are located outside the airflow crushing equipment body, the other ends of the demagnetizing pipelines are located inside the airflow crushing equipment body, the demagnetizing pipelines on the left side are externally connected with an air blowing device, and the demagnetizing pipelines on the right side are externally connected with an air suction device. After the airflow crushing equipment body works, the electromagnetic iron removal part begins to adsorb magnetic substances in the airflow crushing equipment body, the air suction device sucks air in the airflow crushing equipment body, and the air blowing device begins to blow out the air in the airflow crushing equipment body, so that the magnetic substances adsorbed by the electromagnetic iron removal part are discharged.

The invention relates to the technical field of electronic equipment, in particular to a fan and electronic equipment. The fan provided by the embodiment of the invention comprises a hub, a first connecting ring and a second connecting ring, the first connecting ring is arranged around the hub, a plurality of first blades are arranged between the hub and the first connecting ring, and the first blades extend from the hub to the first connecting ring; a second connecting ring is arranged around the first connecting ring, a plurality of second blades are arranged between the first connecting ring and the second connecting ring, and the second blades extend from the first connecting ring to the second connecting ring; the number of the second blades is larger than that of the first blades. According to the fan provided by the embodiment of the utility model, the impedance of the fan blades can be reduced, so that the suction force to air can be increased, and the overall heat dissipation performance of a system is improved.

The utility model relates to the technical field of carding machines, in particular to a carding machine capable of uniformly carding cotton, which comprises a machine body, a mounting mechanism is fixedly connected to the outer side of the machine body, a transmission mechanism is fixedly connected to one end of the mounting mechanism, and a cotton carding mechanism is fixedly connected to the inner side of the mounting mechanism; a cleaning mechanism is fixedly connected to one side of the machine body, and an anti-disengaging mechanism is fixedly connected to the top end in the mounting mechanism. According to the carding machine capable of uniformly carding the cotton, due to the arrangement of the collecting box, the fan and the impurity discharging pipeline, cotton fibers adhered to the carding roller can be conveniently sucked out by the fan when the cotton fibers are carded, and the situation that the subsequent carding effect is affected due to excessive accumulation of the cotton fibers is avoided.

The present application provides an electrode paste shaping roller screen, which relates to the field of electrode paste production technology. An electrode paste shaping roller screen includes: a screen body, a dust removal assembly and a plurality of partitions, wherein the screen body is composed of a plurality of threaded steel bars uniformly arranged circumferentially into a cone shape with two ends open, and the dust removal assembly includes a dust removal cover fixedly covered on the upper side of the screen body, a dust removal cavity is arranged between the two layers of the dust removal cover, and holes for air flow in and out are respectively arranged at both ends of the dust removal cavity, and a plurality of through grooves are equidistantly arranged on the inner layer of the dust removal cover along the axial direction of the screen body; a plurality of partitions are uniformly arranged circumferentially in the dust removal cavity, and the plurality of partitions are respectively arranged at intervals with the holes for air in and out at both ends of the dust removal cavity, and the rotation of the conical screen body is used to screen and polish the electrode paste, and the air flow formed inside the dust removal cover and the change of the shape inside the dust removal cover are used to adsorb and treat the dust formed during the operation of the screen body.

A down-inlet range hood comprises a housing, a fan, an air outlet, an oil net, an oil cup, an upper glass panel and a lower glass panel. The housing comprises a top plate, a bottom plate, a side plate, a back plate and a front inclined panel. The front inclined panel is provided with an oil smoke collecting hole. The air outlet is arranged on the top plate of the housing. The oil cup is detachably matched with the bottom plate of the housing. The oil net is matched with the oil smoke collecting hole. The upper glass panel is fixedly connected with the upper part of the front inclined panel, and the lower glass panel is movably matched with the lower part of the front inclined panel. In a static state, the lower glass panel is fitted with the lower part of the front inclined panel, and the upper end is opposite to the lower end of the upper glass panel. In a working state, the middle and upper part of the lower glass panel is opposite to the upper glass panel, and there is a gap between the lower glass panel and the upper glass panel. Due to the use of such a structure, when switching from a static state to a working state, the lower glass panel moves forward and then upward to open the smoke inlet. The smoke inlet is close to the pot body and has a strong suction force, thereby achieving clean smoking and preventing smoke from escaping.

The sputum suction device for the emergency department comprises a collecting cylinder and an adapter tube, the adapter tube is arranged outside the collecting cylinder, a base is arranged outside the collecting cylinder on one side of the adapter tube, connecting frames are symmetrically installed at the top end of the base, an expansion air bag is arranged between the two connecting frames, and the expansion air bag is connected with the adapter tube. A second left-way one-way valve is arranged at one end of the expansion air bag, a first left-way one-way valve is arranged at the end, away from the second left-way one-way valve, of the expansion air bag, two sets of sliding rails are symmetrically installed at the top end of the base on one side of the connecting frame, and a first clamping frame is arranged at the top end of the base on one side of the expansion air bag. According to the adjustable negative pressure suction type sputum suction device, convenient and fast adjustable negative pressure suction type sputum suction is achieved, comfortable sputum suction by adjusting the size of negative pressure suction is facilitated, damage to soft tissue of a patient caused by too large negative pressure suction is prevented, the comfort degree of the sputum suction device in use is improved, visual operation during sputum suction is facilitated, and the sputum suction device is convenient to use. And a sputum suction picture can be conveniently and comfortably watched in an inclined angle mode.

The invention provides a coconut milk fragrance spice for one-time charging of mixed type cigarettes as well as a preparation method and application thereof, relates to the technical field of flavors and fragrances for cigarettes, and solves the problems that burley tobaccos and other tobacco leaves are charged synchronously in the production process of the mixed type cigarettes, the burley tobaccos do not need to be treated independently, and the cost is low. The condition that the charging proportion is inconsistent due to the fact that the humidifying and moisture releasing curves of the burley tobaccos subjected to independent treatment are inconsistent with those of other tobacco leaves is avoided, the consistency of cigarette fragrance is guaranteed, the cigarettes are endowed with milk fragrance, and the smoking satisfaction of the cigarettes is improved. The preparation method comprises the following steps: preparing a plurality of substances in percentage by mass: 10-30% of an impurity-removing and irritation-reducing module, 10-25% of a tobacco base aroma module, 5-15% of a tobacco body aroma module, 5-10% of a tobacco head aroma module, 20-70% of a smoke improving module and the like. The prepared coconut milk flavor can be applied to mixed type cigarette feeding, one-time feeding can be achieved, the cigarettes are endowed with milk flavor, and the smoking satisfaction of the cigarettes is improved.