2731results about How to "Guaranteed cleanliness" patented technology

The invention relates to the technical field of pipe inner wall polishing, in particular to a plastic pipe inner wall polishing device. Comprising a sliding ring slidably arranged on a mounting cylinder, the right side of the sliding ring is connected with an air inflation bag, the right end of the air inflation bag is connected with the mounting cylinder, a fixedly-arranged second electric push rod and a slidably-arranged air pump are further fixedly mounted on the mounting cylinder, and the telescopic end of the second electric push rod is connected with the sliding ring. And a connecting pipe is communicated between an air outlet of the air pump and the inflatable bag. The movable part, the telescopic polishing block and the concentration mechanism are arranged and jointly assist to achieve adaptive adjustment of different pipe diameters, in addition, the inwards-concave inflatable bag is designed, so that the pipeline is adjusted and attached in a matched mode, abrasive dust is efficiently pushed out, the flexibility and adaptability of the equipment are enhanced, and the service life of the equipment is prolonged. And cleaning and polishing are integrated, so that the device can be operated more easily, and the overall using effect and working efficiency of the device are improved.

The invention relates to the technical field of underground gas production, and discloses a metal sealing gas production wellhead device which comprises a body. A housing; the filtering assembly is used for circularly filtering gas in the wellhead; the self-discharging assembly is used for automatically discharging impurity particles attached to the filtering assembly; the filtering assembly comprises a screening device and an indexing rotating device; and the screening device is used for filtering gas impurities in the well. According to the metal sealing gas production wellhead device, drum-type double-layer filtering can be achieved through the arranged filtering assembly, so that it can be guaranteed that impurity particles in mined gas can be greatly filtered out, and the purity of the extracted gas is guaranteed. And the indexing rotation of the circular filter cartridge can be controlled by utilizing the indexing rotation device, so that the gradually blocked circular filter cartridge can be rotated, and clean filter holes face the underground again, and therefore, circulating automatic anti-blocking screening is carried out, and the operation stability of the gas production wellhead device is ensured.

The rotary cross-flow ceramic membrane filtering device comprises a shell, a main shaft unit arranged in the shell and a power unit for driving the main shaft unit to rotate, the power unit provides rotating power for the main shaft unit and drives the filtering disc to rotate, the main shaft unit is installed in the shell and executes a specific filtering task, and the shell provides necessary support and protection for the main shaft unit and the power unit and controls inflow and outflow of materials. According to the rotary cross-flow ceramic membrane filtering device provided by the invention, the ceramic membrane filtering disc is arranged, so that the filtering efficiency and the system stability are improved, the operation cost is reduced, and the rotary cross-flow ceramic membrane filtering device is suitable for being widely applied to various industrial fields needing efficient filtering solutions.

The invention relates to the technical field of film processing, and particularly discloses a plastic film processing waste recovery device which comprises a recovery box, a feeding port is formed in the top end of the recovery box, and the recovery box comprises a primary crushing mechanism used for primary crushing and a cleaning mechanism used for preventing winding. In the using process, through mutual cooperation of the primary crushing mechanism and the secondary crushing mechanism, waste materials can be further crushed into smaller shapes, gradual refining treatment on the waste materials can be achieved in a multi-stage crushing mode, the crushing uniformity and fineness are improved, the quality of recycled products is improved, and the recycling efficiency is improved. Through mutual cooperation of the primary crushing mechanism and the cleaning mechanism, waste remaining in notches between the crushing teeth can be scraped away in time, so that cleanliness between the crushing teeth is kept, it is guaranteed that the crushing rollers can continuously and efficiently conduct crushing work, normal operation of equipment is guaranteed, the shutdown maintenance time is shortened, and the production efficiency is improved. And the working efficiency and the reliability of the device are improved.

The invention relates to an intelligent photovoltaic power generation control device which integrates a photovoltaic power generation panel, a series connection base, a supporting assembly, a water collection groove, a rainwater collection assembly, a cleaning assembly and a control assembly. A series base and a series interface are arranged below the photovoltaic panel, so that modular installation is facilitated; the supporting assembly comprises two supporting rods, the light following function is achieved, and the photovoltaic panel is automatically adjusted to face the sun. A water collecting groove above the photovoltaic panel and a rainwater collecting assembly at the bottom of the photovoltaic panel can collect and store rainwater; the cleaning assembly comprises a spraying unit and a cleaning brush and is used for automatically cleaning the surface of the photovoltaic panel; the control assembly monitors operation of the system and adjusts the posture of the photovoltaic panel and work of the cleaning assembly. Redundant electricity generated by the photovoltaic power generation panel in sunny days is stored for the system to use, and the light following function is not started in cloudy days, so that electric energy is saved; through the design, the efficiency and sustainability of photovoltaic power generation are improved; the energy conversion efficiency can be improved, the reliability and automation level of the system are enhanced, and the utilization and environmental friendliness of rainwater are improved.

The invention relates to the technical field of seamless steel tube detection, and particularly discloses a seamless steel tube flaw detection device which comprises a base and a fixing ring. The fixed ring is vertically mounted on the top surface of the base, and one end surface of the fixed ring is coaxially and rotatably connected with a rotating ring; an ultrasonic flaw detector is arranged on the inner wall of the rotating ring; a driving mechanism capable of driving the rotating ring to rotate is arranged on the outer wall of the fixed ring; a pair of supporting frames located outside the two sides of the fixing ring are arranged on the top face of the base. The two supporting frames are each provided with a feeding mechanism capable of conveying steel pipes. Through cooperative work of the feeding mechanism and the driving mechanism, the ultrasonic flaw detection detector can automatically complete flaw detection work on the whole steel pipe in the continuous feeding and advancing process of the steel pipe, so that the trouble of manual flaw detection is reduced.

The invention relates to the technical field of metal surface treatment, and discloses sheet metal part spraying and plastic spraying equipment and a technological method.The sheet metal part spraying and plastic spraying equipment comprises a spraying chamber and a conveying mechanism, the spraying chamber is arranged in the middle of the conveying mechanism, and a material distributing plate is installed at the top of the spraying chamber; two spraying mechanisms are arranged on the side, close to the material distributing plate, of the interior of the spraying chamber, a plurality of evenly-distributed spraying guns are arranged in the two spraying mechanisms, an air pressure tank and a conveying pipe are installed on the side, close to the material distributing plate, of each spraying gun, and a pump body is installed on the side, away from the spraying guns, of each conveying pipe; and a paint storage tank is arranged on the rear side of the spraying chamber. The position and the angle of the spraying gun are accurately controlled, and the automatic adjusting device is utilized, so that the spraying gun can be dynamically adjusted according to the surface shape and the size of the sheet metal part, and all corners of a workpiece are uniformly and comprehensively covered with paint.

The invention provides a packaging device for oil-immersed food and a using method of the packaging device, relates to a food packaging technology, and particularly discloses a machine shell, a charging barrel and a machine frame. The machine frame is installed in the machine shell, the charging barrel is installed at the top of the machine frame, and two second driving rollers are installed at the top of the machine frame and located on the two sides of the charging barrel correspondingly; each second driving roller is provided with a coiled material belt; a bag making mechanism opposite to an output port of the charging barrel is mounted in the middle of the rack; a guide structure matched with the two material belts is arranged in the bag making mechanism; an edge sealing mechanism for sealing the two sides of the two material belts is arranged in the guide structure; a position adjusting structure enabling the upper ends of the two material belts to form an inlet and outlet is arranged in the guiding structure. The bottom of the bag making mechanism is provided with a traction mechanism used for pulling a material belt to move downwards in the vertical direction. The use of a material belt is accurately controlled through the bag making mechanism, so that the waste of materials is reduced; the position adjusting structure enables the charging barrel conveying pipeline not to make direct contact with the inner wall of the packaging bag, and the risk of cross contamination is avoided.

The invention relates to the technical field of steel strip cutting and slitting, in particular to cold-rolled steel strip slitting equipment which comprises a cutting mechanism, the cutting mechanism comprises a cutting knife used for cutting a steel strip, a first iron core is arranged on the side wall of the cutting knife in a sliding mode, and a first electromagnetic coil making contact with the first iron core is arranged on the outer gap of the first iron core in a sleeving mode; and the bottom end of the cutting knife is fixedly connected with a second iron core. After a steel belt is placed on the top of the cutting table, the steel belt can push a rotating wheel and a rolling frame to synchronously move upwards, the telescopic end of a first elastic telescopic rod drives a first conducting strip to slide on a first resistance plate, the current of a first sliding rheostat is detected through a current detection module in a PLC, and therefore the thickness of the steel belt is fed back; according to the thickness of the steel belt, the PLC controls current introduced into the first electromagnetic coil and the second electromagnetic coil, so that the cutting knife generates proper frequency to perform high-frequency vibration up and down and left and right.

The invention relates to the technical field of cable winding, in particular to a cable winding device for aviation cable processing, which comprises a cable winding device for aviation cable processing, and a cleaning mechanism for cleaning a cable is arranged outside the cable winding device; the cleaning mechanism comprises a driving structure, a water conveying structure and a cleaning structure which are fixedly mounted on the mounting plate; the driving structure comprises a first wire conveying wheel and a second wire conveying wheel which are horizontally arranged; the water conveying structure comprises a vertically-arranged pump shell and a transversely-arranged valve pipe. According to the cable winding device, a cable can be cleaned during winding, meanwhile, static electricity of the cable is eliminated, overall stable winding of the cable is effectively guaranteed, winding work of the winding device on the cable is facilitated, friction force generated in the conveying process of the cable provides rotating power for the first cable conveying wheel and the second cable conveying wheel, the power transmission mode is simple and direct, and the power transmission efficiency is improved. Extra energy input is not needed, and the energy consumption cost is reduced.

The invention discloses a respiratory training auxiliary device for critical medicine patients, and relates to the technical field of medical assistance, the respiratory training auxiliary device comprises a device shell and a supporting plate, an air pump is fixedly mounted on the upper surface of the device shell, an operation table is fixedly mounted on the inner side surface of the device shell, and an auxiliary mechanism is arranged between the air pump and the operation table; a device shell is fixedly installed on the upper surface of the supporting plate, a groove is formed in the left side of the device shell, a fixing support is fixedly installed on the inner side face of the device shell, and a breathing mechanism is arranged between the device shell and the fixing support. According to the breathing training auxiliary device for the critical medicine patient, oxygen is transmitted into two sets of closed boxes through a connecting pipe, a first spring and a second spring repeatedly press an air bag to do telescopic motion, breathing of the patient is conveniently adjusted, the air bag is limited through a limiting disc, the air bag is prevented from jumping too fast, and the device shell is fixedly supported through a supporting plate; the pulley block pushes the device shell to move, so that the strength of nursing personnel is saved.

The invention relates to the technical field of glass insulator cleaning, in particular to double-function glass insulator cleaning equipment which comprises a mounting seat, two moving seats are slidably mounted at the bottom of the mounting seat, the distance between the two moving seats can be adjusted, and cleaning sponges are mounted on the opposite sides of the two moving seats. The cleaning device can effectively wipe and clean insulators of different dead angle positions and different specifications, dust and impurities on the surface of the cleaning sponge are scraped off through rotation of the scraping blade, and therefore the cleaning effect on the subsequent insulators is guaranteed; air can be exhausted through a plurality of second exhaust holes in the periphery of a scraper to guide dust and impurities into a collecting and filtering box, in the rising process of the scraper, the dust and the impurities can be further guided into the collecting and filtering box through dust suction holes in the periphery of cleaning sponge, and the collecting effect of the collecting and filtering box on the dust and the impurities is improved; and potential safety hazards to respiratory systems of electric workers are avoided.

The invention relates to the technical field of dust separation, in particular to a convenient-to-clean bag-type dust collector for metallurgical casting. The bag-type dust collector convenient to clean for metallurgical casting comprises a bottom frame, an outer frame, a dust falling hopper, a dust discharging pipe, an air inlet pipe, an air outlet pipe, a supporting plate and a cloth bag, the top of the bottom frame is connected with the outer frame, the bottom of the outer frame is connected and communicated with the dust falling hopper, and the bottom of the dust falling hopper is connected and communicated with the dust discharging pipe. The left side of the lower portion of the outer frame communicates with an air inlet pipe. The first electric sliding rail drives the spraying pipe and the spraying head to move downwards and stretch into the cloth bag, it is guaranteed that compressed air can evenly cover the inner surface of the whole cloth bag, especially the lower area of the cloth bag, the problem of dust cleaning dead angles in a traditional dust cleaning mode is solved, and the dust cleaning effect is remarkably improved; due to the fact that the nozzle blows in the cloth bag, airflow cannot directly impact the surface of the cloth bag, physical abrasion of the cloth bag is reduced, and the service life of the cloth bag is prolonged.

The invention discloses an HDI circuit board laser drilling device, and particularly relates to the technical field of HDI circuit board drilling, the HDI circuit board laser drilling device comprises an operation table, a rotating mechanism is rotatably connected to the right side of the middle of the upper end of the operation table, a transmission mechanism is rotatably connected to the front side of the upper end of the operation table, and a drilling mechanism is fixedly connected to the middle of the upper end of the operation table; an air blowing mechanism is arranged on the left side of the lower portion of the drilling mechanism. According to the HDI circuit board laser drilling device, in the descending process of the laser drilling head, a baffle is driven to be matched with a rectangular block, the HDI circuit board can be automatically and accurately positioned, the drilling precision and efficiency are improved, in the drilling process, a spray head is matched with a limiting pipe and a first sliding block, and therefore the HDI circuit board can be accurately drilled. According to the HDI circuit board drilling device, the surface of a drilled HDI circuit board is cleaned through the soft brush, chippings and dust generated in the drilling process can be removed, meanwhile, in the reset process of the laser drilling head, the surface of the drilled HDI circuit board is cleaned through the soft brush, the residual chippings and dust can be removed, and the cleanliness of the HDI circuit board is guaranteed.

The invention discloses a wafer post-processing device and a post-processing method, and relates to the technical field of semiconductor manufacturing, and the wafer post-processing device comprises a box body; the clamping assembly is arranged in the box body and is used for horizontally clamping and driving the wafer to rotate; the post-processing assembly comprises a spraying head, the spraying head is arranged above the clamping assembly, and the liquid medicine outlet end of the spraying head sprays liquid and / or gas towards the wafer so as to clean the surface of the wafer; the spraying head sprays protective gas towards the wafer so as to form a protective gas curtain above the sprayed liquid medicine, so that mist and particles in the box body are prevented from being in contact with the liquid medicine; the spray header comprises a spray seat, a spray head and a spray head, wherein an accommodating cavity is formed in the spray seat; the core part is arranged in the accommodating cavity; the liquid medicine tube extends downwards through the mounting hole of the core part; a first gap is formed between the liquid medicine tube and the mounting hole, and the protective gas is transmitted downwards through the first gap.

The utility model discloses a heater with a cleaning device, the heater is provided with a heating pipe, the cleaning device comprises a dry ice spraying device, the spraying opening of the dry ice spraying device faces the heating pipe, and the dry ice spraying device is used for spraying dry ice to the heating pipe; the output end of the ultrasonic device faces the heating pipe, and the output end of the ultrasonic device transmits ultrasonic waves into the dry ice medium sprayed by the dry ice spraying device. According to the utility model, stains are cleaned in a manner of spraying dry ice and superposing ultrasonic waves, the dry ice can effectively remove oil stains and impurities at low temperature, chemical solvents are not needed, the environment is not polluted, residues are not generated after sublimation, and the cleanliness of the heater is ensured; and high-frequency vibration of the ultrasonic waves can not only vibrate out stains in gaps of the heater, but also promote the reaction between the dry ice and the stains, so that the cleaning effect of the cleaning device is further improved.

The utility model discloses a dustproof heat dissipation type LED mining lamp which comprises a miner lamp body, heat dissipation fins are arranged on the upper surface of the miner lamp body, a fixing box is fixedly connected to the outer surface of the miner lamp body, a motor is fixedly connected to the top inner wall of the fixing box, the output end of the motor is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with a power source. The outer surface of the rotating shaft is fixedly connected with a fan, and the inner surface of the fixing box is fixedly connected with an air pipe. Heat generated by the miner lamp body is effectively dissipated out in time through the cooling fins, the motor, the rotating shaft, the fan and the filter screen, so that the temperature of the miner lamp body in the using process is kept within a safe range, the miner lamp body is prevented from being damaged or exploded at a high temperature, the filter screen can also prevent external dust from entering the fixing box, and the miner lamp is convenient to use. And the miner lamp body can be effectively kept clean under the cooperation of the air pipe and the spray head, so that the stability of the lighting effect is ensured, and the safe operation of miners in a well is ensured.

The invention belongs to the field of machining, and discloses an aviation gear part cleanliness control method, which comprehensively identifies and classifies cleanliness risk points in the whole machining process, and divides the cleanliness risk points into risk points of three key stages of pretreatment, intermediate treatment and packaging. In the pretreatment stage, initial pollution is effectively removed through polishing and oil stain particle cleaning; in the intermediate treatment stage, ultrasonic cleaning is combined with finishing machining to deeply clean and protect the surfaces of the parts, and meanwhile, a part box protective tool is adopted to ensure that secondary pollution in the turnover process is minimized; before packaging, the final cleanliness is ensured through demagnetization, residual magnetism inspection and a three-step cleaning method, and the grade is strictly evaluated. According to the method, the automation degree and the cleaning efficiency are greatly improved, the cleaning effect is remarkably improved, the cleaning cost is reduced, whole-process cleanliness control from part machining to packaging is achieved, and it is ensured that the cleanliness of aviation gear parts meets the strict requirement of the aviation field.

The invention relates to the technical field of food processing, in particular to a self-cleaning conveying device for food processing.The self-cleaning conveying device for food processing comprises a conveying belt body used for conveying food and a supporting mechanism used for supporting the conveying belt body, and a plurality of blocking strips are arranged on the outer surface of the conveying belt body at equal intervals; two wiping plates are arranged at the bottom of the conveying belt body, a plurality of wiping grooves are formed in each wiping plate, a wiping surface is arranged on one side of each wiping plate, and the wiping surfaces between the two wiping plates and the wiping grooves are used for wiping and cleaning the conveying body and the outer sides of the multiple blocking strips; according to the self-cleaning conveying device for food processing, it is guaranteed that the conveying belt body continuously conveys children food, meanwhile, the cleanliness of the conveying belt body is guaranteed, the conveying belt with multiple blocking strips can be fully cleaned without shutdown, and the processing efficiency of the children food is further improved.

The invention discloses an integrated intelligent test platform for hydrostatic pressure testing of a pump body, and relates to the technical field of pump body testing, the integrated intelligent test platform comprises a constant-temperature and constant-humidity pump room, the constant-temperature and constant-humidity pump room is provided with a test area, and the test area comprises a camera, a hydraulic flange tool, an automatic exhaust valve, a purging device and a hydraulic lifting spigot flange tool. The camera is arranged on the side of the hydraulic flange tool, the automatic exhaust valve is connected to the outer side of the hydraulic flange tool, the hydraulic lifting spigot flange tool is arranged on the side of the blowing device, and the hydraulic flange tool is arranged above the hydraulic lifting spigot flange tool. The alarm device is communicated with the control cabinet in the test process, test check is stopped under abnormal conditions, and the test is continued after faults are removed. Besides full-automatic intelligent test, a starting scram button is additionally arranged for starting, and a hydraulic flange tool control element meets the requirement of manual operation test. And the reliability of the test center is ensured through system self-inspection and periodic inspection.

The invention relates to the technical field of hollow part production, and discloses a metal-plastic composite car lamp frame shell integrated injection molding device which comprises an injection molding machine, a movable mold and a fixed mold are installed in the injection molding machine, an external manipulator and an external cooling module are installed outside the injection molding machine, and two fixing holes are symmetrically formed in the outer surface of the movable mold; an injection molding assembly is arranged in the injection molding machine, the injection molding assembly comprises not less than two metal pipes and not less than four extension pipes, and in the cooling process, the metal pipes are cooled from inside to outside based on the physical characteristics of the metal pipes; by means of the cooling mode, the middle of the molding material is cooled and shrunk firstly, the situation that the outer layer is solidified firstly due to the fact that cooling is conducted from the outside to the inside of the cavity traditionally is changed, when the internal material is cooled and shrunk, limitation of the solidified outer layer material is avoided, and therefore the problem that cavities are generated due to inconsistent shrinkage is effectively prevented.

The aquaculture tank comprises a bottom tank, a baffle is fixedly connected to the inner wall of the bottom tank, two arc-shaped plates are slidably connected to the inner wall of the baffle, a mounting plate is fixedly connected to the side wall of the bottom tank, the mounting plate is arranged in a hollowed-out shape, and a sliding block is slidably connected to the inner wall of the mounting plate; a material storage box is fixedly connected to the side wall of the sliding block, sliding plates are slidably connected to the inner wall of the bottom groove, and the side walls of the two sliding plates are each fixedly connected with two supporting plates, an adjusting assembly, a driving assembly, a discharging assembly, a clamping assembly and a cleaning assembly. And meanwhile, when the sliding plate moves, a rack is driven to be meshed with a gear, and two arc-shaped plates are driven to slide inwards, so that the opening position of a baffle is expanded, and the situation that a large number of fish schools collide with the baffle to cause damage when swimming is prevented.

The utility model relates to the technical field of ice makers, in particular to a detachable dustproof net structure of an ice maker. Comprising a shell, a condensation assembly and a dustproof net, the condensation assembly is arranged on a back plate of the shell, a guide structure is arranged on the inner side of the condensation assembly, an insertion opening is formed in the back plate, one end of the guide structure is communicated with the insertion opening, and the dustproof net is inserted into the guide structure through the insertion opening; according to the detachable dustproof net structure of the ice machine, the cleanness of the condenser can be effectively kept, the influence of accumulated dust on heat dissipation is prevented, the ice machine can stably work for a long time, the energy consumption is reduced, and the dustproof net can be quickly disassembled and assembled for cleaning and maintenance by virtue of the drawing type guide design.

The invention relates to a production line for continuous production of sofa iron stands, which comprises an upper wheel die holder, a lower wheel die holder is clamped at the bottom end of the upper wheel die holder, a driving shaft is fixedly connected to the inner ends of the upper wheel die holder and the lower wheel die holder, and a workpiece is arranged at the outer end of the upper wheel die holder in a contact manner. The top end of the bending arm is in sliding connection with a hydraulic sliding block, the top end of the hydraulic sliding block is in sliding connection with a servo sliding block, the resilience force of a bent workpiece can be monitored through the detection device, accurate bending compensation is conducted, the resilience phenomenon of the workpiece caused by material characteristics is effectively compensated, and the size precision of a finished product is improved; according to the bending compensation device, the product quality and consistency are guaranteed, the stress relieving assembly conducts induction heating on the bent portion of the workpiece during bending compensation, internal stress is eliminated, secondary springback is prevented, meanwhile, the possibility that the workpiece deforms in the follow-up use process is reduced, the durability and reliability of the product are enhanced, and the overall performance of the product is improved.

The utility model discloses a laser cutting system. The laser cutting system comprises a base, at least two material conveying modules and a laser cutting module, each material conveying module comprises a bearing assembly and a moving assembly, each moving assembly is used for driving the corresponding bearing assembly to move, each bearing assembly comprises at least two positioning plates, and each positioning plate is used for bearing one corresponding to-be-cut product; the laser cutting module comprises at least two laser heads, the bearing assemblies of the at least two material conveying modules alternately move to the laser machining station, and when the bearing assemblies are located at the laser machining station, the at least two laser heads conduct laser cutting on the at least two to-be-cut products at the same time. According to the laser cutting system, at least two sets of material conveying modules are arranged, each set of material conveying module is provided with two machining stations, and the two sets of material conveying modules are driven by the moving assembly to move to the laser machining stations in turn for machining, so that time is saved, and machining efficiency is improved.

The invention relates to the technical field of plastic product processing, and discloses a plastic product continuous feeding method which comprises the following steps: step 1, intelligent material level monitoring: mounting a high-sensitivity material level sensor in a hopper, monitoring material level change in real time, and ensuring timely material supplement; and 2, multi-channel feeding design is conducted, specifically, a plurality of feeding channels are designed, multiple materials are allowed to be fed at the same time, and feeding interruption caused by blockage of a single channel is avoided. According to the continuous feeding method for the plastic products, through intelligent material level monitoring and multi-channel feeding design, the system can monitor the material level in real time and supplement materials in time, meanwhile, due to the multi-channel design, when a certain channel is blocked, the channel is automatically switched to a standby channel, and therefore production stagnation caused by feeding interruption is avoided, and the production efficiency is improved. By means of the continuous and stable feeding mode, the production efficiency and stability of the injection molding process are improved, and production delay and cost loss caused by the feeding problem are reduced.

The invention discloses an industrial dust remover convenient to clean, and relates to the technical field of industrial dust removers, the industrial dust remover comprises a box body and a dust removal assembly, and the dust removal assembly is arranged on one side of the box body; the dust removal assembly comprises a mounting groove, a sealing groove, a mounting frame, a sealing plate, a mounting opening, a rotating groove, a rotating plate, a partition plate, a filter bag, a ventilation opening, a ventilation spring, a ventilation plate, a tooth groove, a motor, a driving wheel, a water passing cavity and a cleaning opening, the mounting groove is formed in one side of the box body, the sealing groove is formed in one side of the mounting groove, and the mounting frame is connected into the mounting groove in a clamped mode. A sealing plate is connected to one side of the mounting frame, and mounting openings are formed in the sides, away from each other, of the mounting frame and the sealing plate. In the use process, the filter bags can be subjected to dust removal work in batches, and the filter bags can be conveniently switched, so that the filter bags with the reduced dust removal effect are cleaned, and tail gas after dust removal is used for cleaning and drying the filter bags, so that the cleaning effect of the filter bags is ensured.

The invention relates to the technical field of extrusion molding, in particular to an extrusion molding device for ultra-high molecular weight polyethylene pipe production, which comprises an extrusion cylinder, double screws and heating rings, the heating rings are uniformly distributed on the outer wall of the extrusion cylinder, the double screws are rotatably mounted in the extrusion cylinder, and a motor connected with the double screws is further arranged at the tail end of the extrusion cylinder. By arranging the driving assembly and the scraping assembly, when waste attached to the double screws is increased and the pressure in the extrusion barrel is increased, the driving assembly moves due to the increase of the pressure, a gear on the driving assembly transmits power of a motor to a lead screw, and the lead screw rotates to drive the scraping assembly to move back and forth while the scraping assembly is driven to move back and forth. According to the double-screw extruder, the scraper on the double-screw extruder extends out of the scraping assembly, then waste adhered to the double screws is scraped, after the waste is scraped, the pressure in the extrusion cylinder is reduced, the plug rod is reset, the scraper retracts into the scraping assembly, and then it is guaranteed that the scraper does not interfere with follow-up materials.

The utility model discloses a desilting device for hydraulic engineering, which belongs to the technical field of desilting devices and comprises a shell and a high-pressure water gun, electric push rods are fixedly mounted at the positions, close to the front side and the rear side, of the upper end of an electric sliding block, and roller assemblies are fixedly connected between the output ends of the upper ends of the electric push rods. Fixing sleeves are fixedly installed at the positions, close to the left side and the right side, of the outer wall of the high-pressure water gun, a lug plate is fixedly connected to the middle of the upper end of the right fixing sleeve, an adapter is fixedly connected to the middle of the lower end of the right upper end roller assembly, and the lug plate and the adapter are rotationally connected; according to the pipeline cleaning device, pushing force can be generated through the propellers, so that the device freely moves in a pipeline, the device can be fixed through the rolling wheel assemblies, shaking in the cleaning process is avoided, and meanwhile sediment in the pipeline can be thoroughly cleaned through impact force of water flow and brushing force of bristles.

The invention relates to the technical field of conveyors, in particular to a wine brewing raw material conveying device which comprises a spiral conveying plate, the spiral conveying plate is arranged on a shaft body of a rotating shaft, the rotating shaft is rotationally connected between a first conveying machine shell and a second conveying machine shell, and flange plates are fixed to one end of the first conveying machine shell and one end of the second conveying machine shell. Two flange plates are arranged on the conveying machine shell I, screw joint handles are fixed to the outer ring surfaces of the flange plates, the screw joint handles are semi-cylindrical, after the two flange plates abut against each other, the two screw joint handles are spliced to form a stud, the stud is sleeved with a screw joint sleeve in a screw joint mode, a feeding hopper is installed on the surface of the conveying machine shell II, and a discharging pipe is installed on the surface of the conveying machine shell I; the wine brewing raw material conveying device has the beneficial effects that the wine brewing raw material conveying device has the beneficial effects of quick assembly and firm connection, convenience in disassembly and thorough cleaning, heating, heat preservation, vibration cleaning, convenience in field transfer and the like, and the conveying efficiency of wine brewing raw materials and the maintainability of equipment are remarkably improved.