9results 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 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 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.

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 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.

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.