10results about How to "Guaranteed thickness consistency" patented technology

The invention discloses a preparation method of a fiber-reinforced ceramic-based / carbon-based composite material honeycomb structure, and belongs to the field of preparation of ceramic-based / carbon-based composite material honeycomb structures. According to the invention, a unique path is formed through a wiring method to lay the fiber bundles, so that the integrated molding preparation of the honeycomb structure of the fiber-reinforced ceramic-based / carbon-based composite material is realized, and the thickness consistency of the honeycomb structure is ensured. The contact wall surfaces of different units of the honeycomb structure form the same common wall surface through a routing method, so that the overall stability of the honeycomb structure is remarkably improved. The laying path and density of the fiber bundles are accurately controlled around the three-edged positioning column through a routing method, the unit size precision of the honeycomb structure is improved, and the consistency of the honeycomb structure units is ensured. The laid fiber bundles are pressed and shaped through a tablet press, overall densification forming treatment is carried out through a chemical vapor deposition (CVI) process, and the strength and the high-temperature resistance of the honeycomb structure of the ceramic-based / carbon-based composite material are improved. The invention has the advantages of integration, high strength, stable structure and high preparation precision.

The invention discloses a printed circuit board conducting layer electroplating device, and particularly relates to the technical field of printed circuit board conducting layer electroplating, the printed circuit board conducting layer electroplating device comprises a base, a mounting rack, an electroplating bath used for containing electroplating liquid and a circuit board fixing rack used for placing a circuit board, and one side of the mounting rack is provided with a central processing unit; a moving mechanism is arranged at the top of the mounting frame and used for controlling the circuit board fixing frame to move up and down, an electroplating liquid adding mechanism and a cooling mechanism are arranged at the top of the base, and the electroplating liquid adding mechanism is used for adding electroplating liquid into the electroplating bath. The cooling mechanism is used for reducing the temperature of electroplating liquid in the electroplating bath; the device further comprises an electroplating liquid height acquisition module, a fixing frame distance acquisition module and a volatilization amount acquisition module. The problem of liquid level drop caused by evaporation of the electroplating liquid is solved, the thickness uniformity of an electroplated layer is ensured, and the electroplating quality stability is improved.

The application discloses a forming method of a special-shaped structure and relates to the technical field of composite heat-proof layer forming. The method comprises the following steps: preparing a bearing body, a heat protection structure, a sleeving tool and auxiliary materials, horizontally installing the bearing body and the heat protection structure on two sides of a sleeving platform respectively and making special-shaped surfaces face downward, forming a glue layer prefabricated body on a vertical surface of the bearing body, preparing sleeving glue after detecting a gap and interference in the sleeving test, preparing the sleeving glue and brushing the glue on bonding surfaces in different regions, pushing the heat protection structure into the bearing body to form an assembly, and obtaining the special-shaped structure after solidification, cleaning of accumulated glue and demolding.

The utility model discloses a kind of coating glue amount regulation control mechanism, to solve the problem of difficult accurate control of glue output speed in coating composite in prior art, uneven coating. The mechanism includes two side plates, glue roller is installed between two side plates, two swing arms and glue disc, glue delivery roller and metering anilox roller are installed between swing arm, metering anilox roller is close to glue roller, the interval between glue delivery roller and metering anilox roller is adjustable, the swing angle of swing arm is adjustable. Through the above double regulation mechanism, the transfer amount of glue between glue delivery roller and metering anilox roller and between metering anilox roller and glue roller can be accurately controlled, and coating uniformity and composite quality are significantly improved.

This invention relates to the field of plastic molding technology, specifically disclosing a polyolefin insulated flexible cable extruder, including a frame and extrusion molding components. The die head body has an inner lining channel inside, with a flexible metal thin-walled sleeve fitted in the middle section of the inner lining channel. The two ends of the sleeve are fixed and rolled to form deformable sections. The outer side is divided into multiple independent pressure regulating chambers by a grid plate, and corresponding media injection ports are provided. One end of the inner lining channel is provided with a diverter consisting of an outer sleeve and a cable inner core tube, forming a first and second annular diverter channels that are interconnected. This solution adjusts the pressure inside the chambers through the injection ports, allowing the flexible thin-walled sleeve to elastically displace between the melt pressure and the media pressure, thus constructing an adaptive pressure-stabilizing regulating channel. This effectively suppresses melt pressure pulsation and significantly improves the dimensional accuracy, concentricity, and surface smoothness of the flexible cable insulation layer, solving the technical defects of traditional rigid channels that are difficult to micro-control online.

The application belongs to the technical field of battery pole piece production, and particularly relates to a battery pole piece automatic rolling equipment and a use method thereof. In view of the problem that the distance between upper and lower rollers of an existing rolling pair roller machine is not easy to adjust, thereby limiting the use range of the lithium battery pole piece rolling pair roller machine, the following scheme is provided. The scheme comprises a U-shaped base, a first adjusting extrusion roller and a first fixed extrusion roller, the first adjusting extrusion roller and the first fixed extrusion roller are arranged in the U-shaped base to roll the battery pole piece, a second adjusting extrusion roller and a second fixed extrusion roller, the second adjusting extrusion roller and the second fixed extrusion roller are arranged on the other side in the U-shaped base to roll the battery pole piece for the second time to prevent rebound, and two groups of lifting mechanisms, which ensure the thickness consistency of the battery pole piece and prevent rebound.

The utility model discloses a novel steel bar thermal spraying device, and relates to the technical field of thermal spraying devices. The spraying device comprises a base, the top of the base is fixedly connected with a conveying assembly, one end of the conveying assembly is in threaded connection with a clamping assembly, one side of the back face of the base is fixedly connected with a spraying assembly, the clamping assembly comprises a first driving motor fixedly connected to an inner cavity of the conveying assembly, and an output shaft of the first driving motor is fixedly connected with a first bevel gear. The first bevel gear is driven by the first driving motor to rotate, then the second bevel gear is driven to enable the first lead screw to rotate, the position of the clamping block is adjusted, reinforcing steel bars of different diameters and shapes can be stably clamped, compared with a clamping device of a traditional fixed structure, parts do not need to be frequently replaced, and cost is reduced. According to the steel bar thermal spraying device, stable fixing of steel bars of special specifications is guaranteed, the situation that quality is affected by shaking of the steel bars in the spraying process is avoided, operation procedures are reduced, and the working efficiency of steel bar thermal spraying operation is remarkably improved.

The utility model discloses a removable liquid injection hole rubber plug and a tool, and the removable liquid injection hole rubber plug comprises a first rubber body and a second rubber body, the second rubber body is connected with the hollow part of the first rubber body, a hooking rod is arranged at the top of the second rubber body, and the second rubber body is used for hooking the hooking rod through a tool to take out the rubber plug from the lithium battery cover plate; according to the utility model, the removable rubber plug is used, and a battery which is not filled with helium and is inserted into the sealing rubber plug is directly taken out for supplementing helium, so that the safety of the battery can be greatly improved, the thickness consistency of the battery is ensured, and the operation is convenient and reliable.

The utility model relates to the technical field of dust removal mechanisms, in particular to a scraper dust removal mechanism which comprises a scraper and two oppositely-arranged fixing plates, driving mechanisms used for controlling the scraper to be close to or away from a roller are arranged on the two fixing plates, and the scraper is rotationally arranged on the driving mechanisms. The scraper dust removal mechanism is characterized in that a front roller and a rear roller of the scraper are in contact with the outer peripheral surface of a roller respectively, a control mechanism is arranged on the scraper, and the control mechanism is used for keeping the cutting edge of the scraper tangent to the outer surface of the roller all the time. The whole blade of the scraper is automatically and always tangent to the outer surface of the roller, so that the purpose of scraping dust by forming a stable angle tangent line between the scraper and the surface of the roller is achieved, the working efficiency is improved, the labor force is saved, and the thickness consistency of the rolled pole piece is ensured.

The invention relates to the technical field of amorphous alloy material preparation, in particular to a double-roller quenching device for amorphous alloy strip preparation, which comprises two symmetrically arranged roller bodies and a driving adjusting assembly for driving the two roller bodies to reversely rotate, and the two roller bodies are symmetrically arranged from top to bottom; a cooling assembly is arranged on the roller bodies, the cooling assembly comprises a water inlet, a water outlet, a first cooling cavity, a second cooling cavity and a flow guide plate, the water inlet is formed in one end of each roller body, the water outlet is formed in the other end of each roller body, the two ends of each roller body are rotationally connected with connectors respectively, and connecting pipes are arranged on the connectors on the two sides. The double-cavity cooling roller has the beneficial effects that through the composite cooling structure design of the double cooling cavities and the spiral guide plates, the technical problems that a traditional single-cavity cooling roller is uneven in heat exchange and low in cooling efficiency are effectively solved.