9results about How to "No air bubbles" patented technology

The utility model relates to the technical field of wastewater treatment equipment, in particular to a micro-filtration membrane end face pouring tool which comprises a glass fiber reinforced plastic container and a micro-filtration membrane pipe, certain spaces exist between the two ends of the micro-filtration membrane pipe and the two end faces of the glass fiber reinforced plastic container, and a first limiting assembly and a second limiting assembly are arranged in the spaces of the two ends of the micro-filtration membrane pipe respectively. The first limiting assembly comprises a first sealing plug and a fixed end cover plate, the first sealing plug penetrates through the fixed end cover plate, one end of the first sealing plug is matched with one end of the microfiltration membrane tube, and the other end of the first sealing plug is connected with the fixed end cover plate through a bolt; one end of the fixed end cover plate is matched with the other end of the microfiltration membrane tube, the other end of the fixed end cover plate is connected with the end cover through a bolt, hoops are arranged on the periphery of the joint of the fixed end cover plate and the glass fiber reinforced plastic container and the periphery of the joint of the end cover and the glass fiber reinforced plastic container, and the fixed end cover plate and the end cover are connected with the hoops. The membrane tube is uniformly fixed, and pouring liquid is prevented from flowing into the micro-filtration membrane tube or leaking out of the micro-filtration membrane tube.

The utility model discloses a kind of hot transfer printing machines for barrel production film pasting, including cabinet, workbench is provided on cabinet, wherein, corner plate is rotatably arranged on workbench, template is arranged on corner plate and can move horizontally along the front-back direction of corner plate, film placing mechanism and film collecting mechanism are oppositely arranged on the both sides of template;Vertical column is vertically arranged on workbench and located behind corner plate, clamping rotating mechanism is arranged on vertical column and located between film placing mechanism and film collecting mechanism, and hot transfer printing mechanism is arranged above clamping rotating mechanism;Tracking positioning mechanism is arranged on film placing mechanism, and circumference measuring mechanism is arranged on film collecting mechanism;PLC controller is further arranged on vertical column, the input end of PLC controller is connected with the output end of tracking positioning mechanism and circumference measuring mechanism, and the output end of PLC controller is connected with the controlled end of corner plate, template, film placing mechanism, film collecting mechanism, clamping rotating mechanism and hot transfer printing mechanism.The present application can efficiently and high quality complete the automatic film pasting of barrel production.

The utility model discloses a gas sensor packaging structure and a gas concentration detector, the gas sensor packaging structure comprises a packaging shell and a sealing plate; a detection cavity is formed in the packaging shell, an air inlet and an air outlet are formed in one side of the packaging shell, a glue filling groove is formed in the other side of the packaging shell, and a detection opening is formed in the bottom of the glue filling groove; the detection cavity is sequentially communicated with an air inlet channel, a detection channel and an air outlet channel, the air inlet channel is communicated with the air inlet, the detection channel is communicated with the detection port, and the air outlet channel is communicated with the air outlet; the sealing plate is arranged in the glue pouring groove, an induction assembly is fixed to the sealing plate, the induction assembly is arranged towards the detection opening, and the sealing plate covers the detection opening. The utility model can solve the problem of long-term stability of the sensor.

The application relates to a device and a method for preparing a fluorine-based glass optical fiber preform rod cladding hollow tube. In the device, by reducing the air pressure in a closed crucible environment and assisting with a constant rotation rate, dissolved gas in the glass liquid can be effectively removed, and a fluorine-based glass preform rod cladding hollow tube without bubbles, high uniformity and high interface quality can be automatically / semi-automatically prepared. The method has a short preparation period and is expected to be applied to the preparation of a fluorine-based optical fiber preform rod with a high-quality core-cladding structure.

This utility model relates to an automatic film coating device for fuel dispenser panels, aiming to solve the problems of high labor intensity, low efficiency, and poor coating accuracy and consistency in the existing fuel dispenser panel coating process. The automatic film coating device includes a mounting frame with a conveyor line on it. The conveyor line is equipped with a panel positioning mechanism and is driven by a drive assembly. Along the conveyor line, the mounting frame is sequentially equipped with a film pressing mechanism, a cutting mechanism, and a pressure roller mechanism. A protective film mounting mechanism is also provided on the mounting frame. By setting up fully automated mechanical equipment such as the conveyor line, film pressing mechanism, cutting mechanism, and pressure roller mechanism, manual labor is reduced, labor intensity is lowered, and integrated operation of film coating, cutting, and pressing is achieved. The panel positioning mechanism, using panel positioning blocks and limit pulleys, precisely positions the fuel dispenser panel, improving coating accuracy.

The invention relates to the technical field of automobile body manufacturing, and particularly discloses an automobile body carbon fiber bonding method. Comprising the following four steps: pretreatment of a bonding base material, preparation and coating of an adhesive, precise bonding and pressurized curing, and detection and finishing after bonding. Wherein the mode of combining high-pressure inert gas purging, ultrasonic cleaning, plasma etching activation and gradient cooling drying is adopted in pretreatment, and the wettability of a bonding surface is improved; the adhesive is a composite modified epoxy adhesive and has high strength and weather resistance; a mode of combining precise positioning with step-by-step pressurization and step heating is adopted in fitting and curing, so that the bonding quality is ensured; and accurate identification and finishing of bonding defects are realized through detection and finishing. The device solves the problems of insufficient bonding strength, low glue layer control precision, low automation degree and the like in the prior art, is high in bonding strength, good in stability and high in production efficiency, meets the large-scale production requirements of automobiles, and can be widely applied to bonding of carbon fiber components of automobile bodies.

The invention discloses a process for preparing a high-purity sodium ion aqueous solution through closed cycle, and belongs to the technical field of inorganic ion liquid preparation. The preparation method comprises the following steps: taking pure water dissolved sodium fluoride as an initial system, and adding metal calcium to react to generate superfine calcium fluoride precipitate and primary sodium ion water; subsequently, the sodium ion water is used as circulating mother liquor to completely replace pure water, and sodium fluoride and metal calcium are continuously supplemented to carry out closed cycle reaction. Fluorine ions and calcium ions are directionally combined and precipitated, sodium ions are continuously enriched in a liquid phase, the concentration is continuously increased along with the number of cycles, the system is always kept in a flowable liquid state, and side reaction of calcium and water can be inhibited due to reduction of water activity. The method breaks through the upper limit of the solubility of the traditional sodium salt, the ultrahigh-concentration sodium ion mother liquor can be obtained, the finished product can leave a factory after being diluted, the mother liquor can be recycled permanently, and the method has the advantages of high reaction efficiency, high raw material utilization rate, no waste liquid discharge, suitability for continuous industrial production and the like; the obtained product can be widely applied to the fields of skin care, moisture preservation, mucous membrane care, whole body electrolyte supplement and the like.

This invention provides a badminton racket grip sealing device, including a movable frame. Multiple brackets are fixedly mounted on the side of the movable frame from top to bottom, and these brackets are used to secure the badminton racket. The movable frame is slidably connected to the top of a base, and a traction component is provided on the side of the base. The traction component is used to pull the movable frame to slide on the surface of the base. A limiting plate is fitted to the surface of the base, and a locking screw is threaded onto the side of the limiting plate. A heating component is provided on the side of the base, used to heat and seal the plastic portion of the inserted badminton racket grip. This invention, through its multi-layer bracket design, can simultaneously secure multiple rackets. Combined with the automatic feeding of the movable frame, multiple grips can be fitted with sealing film bags and sealed in a single operation. Furthermore, the limiting plate can limit the movement of the entire movable frame, ensuring a fixed length of the grip extending into the heating component, resulting in uniform and comprehensive sealing quality and reducing manual intervention.

The present application belongs to the technical field of hollow plate processing, and particularly relates to a glue coating and film covering device and process for hollow plate processing. The device and process are aimed at the low efficiency of traditional manual film covering, non-transparency, difficulty in pyrolysis of glue, and disadvantageous renewable utilization. The present application proposes the following scheme, which comprises a film covering tool frame. Two sides of the film covering tool frame are respectively provided with an in-plate tool frame and an out-plate tool frame. The in-plate tool frame and the out-plate tool frame are provided with the same glue coating and film covering integrated module. The glue coating and film covering integrated module comprises a tool support plate. The glue coating and film covering device and process for hollow plate processing disclosed by the present application have the effects of realizing all-weather online invisible glue coating and film covering integration, transparent and invisible glue layer, self-adaptive limiting of plate thickness and plate width, stable conveying, bubble-free film covering, excellent non-transparency, visual monitoring, automatic film cutting and separation, saving of manual work, centralized recovery of waste film, pyrolysis of glue, and advantageous renewable effect.