18results about How to "Prevent spillover" patented technology

The invention discloses a bearing ring polishing device for bearing production and machining, and relates to the technical field of bearing production and machining. A machine cabinet assembly is arranged at the bottom of the top base, a grinding table is arranged in the center of the top of the top base, supporting columns are arranged at the corners of the top of the top base, a circular plate is arranged at the tops of the supporting columns, a motor is arranged at the top of the circular plate, and an electric telescopic rod is arranged at the bottom of the circular plate. Bearing rings of different specifications and diameters are clamped in a self-adaptive mode through the L-shaped arc top plate, meanwhile, the friction force is gradually increased due to the fact that the guide arc plate and the rubber soft block continuously go deep downwards along with the bearing rings, and the stability of the bearing rings on the top of the grinding table is effectively improved; and the situation that the bearing ring shakes due to high-speed rotation of the grinding disc during grinding, the preset grinding direction of the bearing ring deviates, and the phenomenon that the grinding thickness of the bearing ring is not uniform is avoided.

The invention relates to the technical field of EPS wall bodies, in particular to an EPS wall body module for house building, which comprises two groups of outer walls which are symmetrically distributed, each group of outer walls comprises at least two wall plates, groove bodies are formed in the side walls of the wall plates, and after the two wall plates are spliced, the groove bodies in the two wall plates form a complete connecting groove. Connecting seats are arranged in the connecting grooves in a penetrating mode, the connecting seats are matched with the connecting grooves, wire grooves allowing cables to penetrate through are formed in the connecting seats in a penetrating mode, a winding mechanism is arranged in one connecting seat and used for winding the cables, and a fixing mechanism is arranged in the connecting grooves and used for fixing the connecting seats. When a cable needs to pass through after the wall body is formed, the cable directly passes through the interior of the cable slot in the connecting seat, and the wall body does not need to be manually perforated, so that the manpower is effectively reduced, meanwhile, the damage to the wall body can be avoided, and the service life of the wall body is prolonged.

The utility model relates to a molding sand feeding device for droplet jet molding equipment. According to the molding sand feeding device for the droplet jet molding equipment, the interior of a vacuum feeding barrel and the position of a feeding opening are processed into a vacuum environment through a vacuum source, molding sand is conveniently sucked and conveyed into the vacuum feeding barrel, the molding sand falls into a conveying barrel through a discharging opening under the action of the gravity of the molding sand, and a driving mechanism drives a rotating shaft to drive a spiral blade to rotate; molding sand in the conveying cylinder is conveyed to the discharging station from the feeding station, the molding sand at the discharging station enters the quantitative sand discharging device through the discharging port and the sand guiding pipe under the action of the gravity of the molding sand, and therefore the spiral conveying assembly and the vacuum feeding assembly are matched with each other; the connection position between the molding sand feeding device and the quantitative sand discharging device for the micro-droplet jet molding equipment does not blow back and overflow sand due to the negative pressure characteristic, the phenomenon that the molding sand overflows due to negative pressure blowback caused by direct vacuum feeding is effectively avoided, and the probability that a movement module is damaged due to serious sand accumulation is reduced.

This utility model discloses a dust removal device for iron ore crushing production, including a dust removal fan. The input end of the dust removal fan is connected to a dust removal hood via a dust removal pipe. The dust removal hood is located on one side of the top of the crusher body. A dust removal filter screen is installed at the lower end of the interior of the dust removal hood. A feed hopper is installed at the upper end of the crusher body away from the dust removal hood via a feed inlet. A screen is installed at the lower end of the interior of the crusher body. A crushing mechanism is installed on the crusher body above the screen. A dust removal and anti-clogging mechanism is installed on the crushing mechanism. A drying chamber is installed on one side of the crusher body. A discharge hopper is installed at the top of the drying chamber on the side away from the crusher body. An air supply mechanism is installed at the top of the drying chamber on the side of the discharge hopper. This utility model, through a series of structures, ensures smooth dust removal and filtration during crushing and cleaning. The cleaned material from the filter surface falls directly into the crusher body for easy processing. The clean air discharged from the dust removal process is used for large-area and even air supply drying of the iron ore.

The invention relates to the technical field of illuminating lamps, in particular to illuminating equipment with an energy-saving function, moisture is absorbed through an annular drying bag, the moisture is effectively prevented from intruding into the inner side of a lampshade I, and therefore the problem that the light transmittance is reduced due to water marks formed on the inner side faces of the lampshade I and a lampshade II is solved; therefore, the same illumination brightness can be achieved with lower power, meaningless power loss during illumination is reduced, the energy-saving effect is achieved, meanwhile, in the screwing process, contact of the first circular ring, the annular drying bag and the second circular ring is converted into a synchronous sliding state, the sliding friction phenomenon is avoided, and the service life is prolonged. The phenomenon that a paper package of the annular drying bag is torn by friction force is avoided, the service life of the annular drying bag is prolonged, and the phenomenon that moisture absorption powder overflows is avoided.

The utility model discloses an electric saucepan, which comprises a base, a steaming drawer assembly and a water tank, the steaming drawer assembly and the water tank are arranged on the base, a mounting groove for mounting the water tank is arranged on one side of the steaming drawer assembly on the base, a water retaining rib is further arranged on the upper surface of the base, and the water retaining rib comprises a first water retaining section positioned between the water tank and the steaming drawer assembly, and a second water retaining section positioned between the water tank and the steaming drawer assembly. A first water receiving groove is formed between the first water retaining section and the side, facing the steaming drawer assembly, of the water tank, and the first water receiving groove is used for collecting water dripping from the surface of the side, facing the steaming drawer assembly, of the water tank. According to the electric steamer, the condensate water dripping from the surface of the side, facing the steaming drawer assembly, of the water tank can be collected, the condensate water is prevented from scattering and flowing all around and flowing to the control panel, and therefore the use experience is improved, and potential safety hazards are reduced.

The utility model provides a stirring device for sintering machine head ash slurry, and relates to the technical field of sintering machine head ash processing, the stirring device comprises a double-shaft stirring machine body and a pre-mixing assembly, the double-shaft stirring machine body is provided with a discharging channel, the discharging channel is provided with a first electromagnetic valve, the double-shaft stirring machine body is provided with an anti-overflow shell, and the pre-mixing assembly is provided with a second electromagnetic valve. A premixing box and a water injection assembly communicated with the interior of the double-shaft stirrer body are arranged on the anti-overflow shell; according to the device, after premixing of sintering machine head ash is completed, the sintering machine head ash can be automatically introduced into a double-shaft stirrer without transfer of a loading machine, an automatic water adding procedure is carried out immediately, secondary stirring is carried out after water adding is completed, slurry is obtained, meanwhile, the amount of flying dust overflowing to the surrounding environment can be effectively reduced in the premixing process, the pollution degree is greatly reduced, and the production efficiency is improved. By means of the anti-overflow shell, the phenomenon that flying dust overflows in the process that the sintering machine head ash is introduced into the double-shaft stirring machine body from the premixing box is further avoided.

The utility model discloses a non-bonnet type stop valve, which comprises a valve body and a valve rod, the valve body is provided with a stop flow channel, the end part of the valve body is provided with a sealing hole communicated with the stop flow channel, the tail end of the valve rod penetrates into the stop flow channel through the sealing hole and is provided with a valve plate, a filler sleeve is connected between the valve rod and the sealing hole, and the valve plate is provided with a valve cover. A penetrating hole is formed in the packing sleeve, the valve rod is arranged in the penetrating hole in a sliding mode, the outer circumferential wall of the packing sleeve and the inner circumferential wall of the sealing hole are connected through a seal welding process, and a sealing piece used for sealing the penetrating hole is arranged between the inner circumferential wall of the penetrating hole and the outer circumferential wall of the valve rod. The stop valve solves the problem of external leakage between the valve cover and the valve body of a conventional stop valve in the prior art.

The utility model relates to the technical field of coal mine machinery, and discloses a coal mine deep drilling high-pressure grouting stratum lifting double-sleeve structure which comprises a first grouting pipe, the bottom of the first grouting pipe is fixedly provided with a rubber plug seat, the outer wall of the first grouting pipe is provided with three annular grooves, and the outer wall of the first grouting pipe is provided with a rubber plug. The outer walls of the three annular grooves are provided with grouting holes, the sealing performance of the bottom of the first grouting pipe can be enhanced through the design of the rubber plug seat, leakage is prevented in the grouting process, the first grouting pipe has more uniform grouting capacity through the design of the annular grooves and the grouting holes, and in the grouting process, the sealing performance of the bottom of the first grouting pipe is improved. When the grouting device is used, grout can be evenly injected into a stratum through the grouting holes, so that the even grouting effect is achieved, in addition, the rubber sleeve is elastically connected to the outer wall of the annular groove in a sleeving mode, and the first grouting pipe achieves the dynamic sealing and releasing functions in the grouting process through automatic expansion and contraction of the rubber sleeve.

A kind of packaging machine feeding structure, including rack and feeding mechanism arranged on rack.It includes conveying dynamic cooperation unit, static cooperation unit and power drive unit.Conveying dynamic cooperation unit and static cooperation unit constitute horizontal reciprocating motion adaptation structure, and power drive unit is transmission connection with conveying dynamic cooperation unit.Non-metal wear-resistant layer is arranged on the sliding contact surface of both, and both are adjusted in space by positioning floating structure, which limits horizontal relative displacement, and allows conveying dynamic cooperation unit to adaptively float in vertical direction.The utility model forms dynamic self-adapting sealing by the synergies of non-metal wear-resistant layer and positioning floating structure, eliminates traditional rigid gap, effectively prevents powder overflow and liquid leakage, avoids material to be stuck in sliding interface;Non-metal wear-resistant layer has self-lubricating characteristics, significantly reduces the wear of metal parts, prolongs the service life of equipment, and improves operation reliability.

The invention relates to the related technical field of medical polymer splint production, in particular to a medical polymer splint base cloth polyurethane coating device which comprises a rack, a coating roller and a plurality of guide rollers, a hot melting feeding piece is arranged above the coating roller, and a scraper mechanism is arranged at the side end of the coating roller; the scraper mechanism comprises a movable part and an adjusting part, the adjusting part is installed on the rack and connected with the movable part, a buffer cavity and a backflow cavity are formed in the inner side of the movable part, the buffer cavity communicates with the inner side of the hot melting feeding part through a communicating pipe, and an extrusion channel is formed in the side, facing the coating roller, of the buffer cavity; a scraper is further arranged on the side, facing the coating roller, of the movable part, the backflow cavity is communicated with a groove body formed in one side of the scraper through a backflow channel, the phenomenon that redundant polyurethane glue in the molten state is accumulated in the groove body, and consequently the polyurethane glue in the molten state overflows can be effectively prevented, and meanwhile the coating uniformity of the polyurethane glue in the molten state is improved.

The present invention relates to a high temperature resistant, high reflectivity and diffuse reflective silicon ink and its preparation and application. The silicon ink comprises the following raw material components in parts by weight: 20-40 parts of nano hybrid modified silicone resin, 30-60 parts of reflective filler, 10-20 parts of curing agent, 0.5-5 parts of high temperature resistant additive, 0.3-3 parts of leveling agent, 0.5-5 parts of silane coupling agent, 1-10 parts of solvent, and 1-10 parts of silicon dioxide. Compared with the prior art, the silicon reflective ink prepared by the present invention not only has excellent high temperature resistance, aging resistance, anti-yellowing, high reflectivity and diffuse reflection performance, but also has the characteristics of high adhesion and high hardness, and can be used for the reflective layer of LCD and Mini LED backlight modules to achieve the functional characteristics of high light efficiency, high stability and ultra-thin display.

The utility model belongs to the technical field of electrical equipment, and particularly relates to a base station and a cleaning system. The base station comprises a main body, a heating piece and a non-return piece, a water supplementing part and a cleaning part are arranged on the surface of the main body, the heating piece is arranged in the main body, the input end of the heating piece is communicated with the water supplementing part, the output end of the heating piece is communicated with the cleaning part, and the non-return piece is arranged between the input end of the heating piece and the water supplementing part so as to prevent water from flowing back to the water supplementing part. According to the base station provided by the invention, the water flowing to the water heater can be prevented from flowing back to the water replenishing part, so that the phenomenon that water overflows at the water replenishing part on the main body of the base station when the cleaning equipment is taken away from the base station is avoided, and the situation that a user needs to erase the water overflowed on the base station is avoided, so that the user experience is improved.

The adjustable enemator comprises an outer tube and an inner tube, an air bag is arranged at one end of the outer side of the outer tube, a conical cover is arranged at the other end of the outer side of the outer tube, the end, located in the conical cover, of the outer tube is sleeved with a soft rubber sleeve connected to the outer tube, and the end, away from the outer tube, of the soft rubber sleeve is connected with a movable tube communicated with the inner tube. A sleeve sleeved on the movable pipe is fixedly connected in the conical cover, a locking bolt for fastening the movable pipe is arranged on the sleeve, one end, far away from the soft rubber sleeve, of the movable pipe is connected with a flow guide pipe, the air bag is connected with an air pipe, and the air pipe is led out of the conical cover and connected with an air compression bag. The air bag can effectively prevent the enema tube from falling off, the inflated air bag is tightly attached to the inner wall of the anal tube, and excrement is effectively prevented from overflowing; even if excrement is splashed out along with exhaust, the excrement can be adhered to the non-woven fabric on the conical cover; the depth of entering the inner tube of the anal tube can be adjusted, and the entering size can be determined through the distance scale marks, so that the enema effect is improved.

The utility model discloses a suspension sliding installation type poison bait throwing device for a cylindrical hole type poison bait station. The suspension sliding installation type poison bait throwing device comprises an end positioning unit, a suspension sliding type throwing unit, a middle position locking unit and an ultrasonic bird repelling assembly. The relative positioning between the device and a cylindrical hole of the poison bait station is realized by adopting the end part positioning unit; on the basis, by means of a guide sliding rod, the suspended sliding type feeding unit horizontally slides between the front end positioning unit and the rear end positioning unit, locking of the position of a central area is achieved by means of a middle position locking unit, and the phenomenon that poison bait overflows is effectively prevented; meanwhile, the suspended sliding type feeding unit is in a suspended state, the problem of rainwater soaking is effectively prevented, meanwhile, the ultrasonic bird repelling device adopts an ultrasonic method to repel birds, and the technical problem that birds in all body forms and movement tracks cannot be repelled through a traditional method is solved.

This application relates to a method for filling a perovskite solar cell module slot, comprising: filling the slot with a first filler having a first preset viscosity, such that the first filler covers the bottom and at least part of the sidewalls of the slot; filling the slot with a second filler having a second preset viscosity, such that the second filler covers the first filler and a preset area of ​​the edge of the slot; the second preset viscosity is greater than the first preset viscosity. This method achieves precise and reliable sealing of the slot and its preset edge area, effectively improving problems such as residual debris, electrical defects, and moisture migration in the slot, thereby increasing the yield, power generation performance, and long-term reliability of the perovskite solar cell module.

A closed system for electrolyzing rare earth metal belongs to the technical field of equipment for electrolyzing rare earth metal, and comprises a wall body forming a closed space, a door and a ventilation pipeline which are arranged on the wall body, and a sealing device positioned in the closed space, the sealing device comprises a rear fan cover, a left fan cover, a right fan cover, a fixing device, a telescopic pneumatic device and a suction pipeline, the rear fan cover is connected with the telescopic pneumatic device through the fixing device, the telescopic pneumatic device is connected with the suction pipeline, and the rear fan cover, the left fan cover and the right fan cover are placed on the upper surface of the electrolytic furnace body; the rear fan cover, the left fan cover and the right fan cover are combined together to form a sealing cover, and a cathode component hole is formed in the upper portion of the sealing cover. According to the utility model, dust, carbon monoxide, carbon dioxide and fluorine-containing waste gas can be prevented from overflowing and diffusing during stirring, feeding and discharging operations; the suction resistance and fan energy consumption can be reduced, meanwhile, the temperature in the seal can be reduced, and the service life of the magnetic suction sealing strip is prolonged.

The utility model discloses a fan blade and an air blowing device, and the fan blade comprises a hub which is connected with a fan motor; the plurality of blades are arranged on the outer surface of the hub in a surrounding manner; the fan cover is arranged on the multiple blades in a covering mode, and the blade edges of the multiple blades are connected with the fan cover. A fan cover is arranged, the fan cover covers the fan blades, and the blade edges of the fan blades are connected with the fan cover. Due to the arrangement of the fan cover, an air duct structure with the closed side edge is formed between the hub and the fan cover, and by means of the structure, when fan blades push airflow to rotate, the side wall of the fan cover can block and counteract centrifugal force received by the airflow, the phenomenon that the airflow flowing through the fan blades overflows under the action of the centrifugal force is avoided, and the service life of the fan is prolonged. And the air outlet efficiency and the air outlet quantity of the fan blades are improved.