5results about How to "Increase line speed" patented technology

The present application relates to photovoltaic encapsulation adhesive film technical field, especially a kind of photovoltaic adhesive film production line suitable for high-speed production, including extruder, casting die, flow forming device, cooling setting device, online thickness measuring device, multilayer track cooling device, flaw detection device, slitting device and winding device being arranged in sequence, cooling setting device includes first cold roll, second cold roll, third cold roll cold roll, fourth cold roll and fifth cold roll, the first cold roll, second cold roll, third cold roll cold roll, fourth cold roll and fifth cold roll are rotatably arranged in bearing seat, one side of first cold roll, second cold roll, third cold roll cold roll, fourth cold roll and fifth cold roll is respectively provided with driving motor, the driving motor is connected with fourth bearing seat respectively.The present application can not only satisfy production under high line speed, but also effectively control the production size of photovoltaic adhesive film, quality is stable, improve film sticky condition, product flatness is good.

The invention belongs to the technical field of cement production, particularly relates to a fluctuating roller type feeding machine, and aims to solve the problem that an existing fluctuating roller type feeding machine cannot simultaneously guarantee the screening requirement of a feeding end and the conveying requirement of a discharging end. The device comprises a conveying mechanism, and the conveying mechanism comprises a plurality of fluctuation rollers arranged in the conveying direction; the maximum excircle diameter of the fluctuation roller is gradually reduced from the feeding end to the discharging end; the rotating speeds of the fluctuation rollers are the same. The fluctuating roller at the feeding end of the fluctuating roller type feeder is large in diameter, high in linear speed and strong in fluctuating effect, materials can be quickly pushed to roll and screen, layering of the materials with different particle sizes is efficiently achieved, and the feeding and screening requirements are met; the fluctuation roller at the discharging end is small in diameter, low in linear speed and weak in fluctuation effect, disordered disturbance caused by too high movement speed and violent fluctuation of materials can be avoided, and then the stable conveying flow direction of the materials is prevented from being damaged, so that smooth discharging can be guaranteed, meanwhile, secondary mixing of fine materials is reduced, and the screening precision is improved.

The utility model relates to a compound machine, concretely is a kind of high-speed compound machine based on multistage coating and collaborative solidification, including unwinding mechanism, multistage coating device, oven structure and winding mechanism, the multistage coating device includes multiple coating unit with independent drive and metering;The oven structure is formed with multiple independent drying zones, and each independent drying zone corresponds after the coating unit that substrate passes. According to the requirement of different coating process, the order of substrate passing through multiple coating units is flexibly adjusted, continuous production is realized, multiple substrate on-machine operations are not needed, and processing efficiency is effectively improved;By setting multiple independent drying zones in the oven structure, the coating layers of front and rear coating processes are avoided from interfering with each other, the processing quality of coating is improved, coating precision and linear speed are improved, and energy consumption and solvent residue are reduced.

The utility model provides a kind of petroleum drilling and production equipment flange sealing surface grinding repair device, it is related to petroleum drilling and production equipment field.This flange sealing surface grinding repair device is mainly composed of inner support piece and rotating part;Inner support piece is detachably fixed on the inner wall of the flange of petroleum drilling and production equipment, for rotating support for rotating part;Rotating part has the frame body rotating around inner support piece, sand belt polisher for grinding flange sealing surface is arranged on the frame body.This flange sealing surface grinding repair device adopts sand belt polisher to repair flange, with the characteristics of small vibration, high linear velocity, good flatness, can significantly improve the surface finish and flatness of petroleum drilling and production equipment flange sealing surface.In addition, this flange sealing surface grinding repair device also has the characteristics of compact structure, convenient to carry and operate, strong practicality etc.

The application provides a preparation method of a cladding alloy layer on a concave-convex spherical surface matching surface and a support. The cladding alloy layer is formed by high-speed laser cladding on the concave-convex spherical surface matching surface to replace traditional stainless steel spherical surface cladding, so that the phenomenon of non-adhesion and cavity of stainless steel and a base material can be avoided. The preparation steps of the cladding alloy layer comprise the following steps: laser cladding of alloy powder on a matching surface on which the cladding alloy layer needs to be formed by a high-speed laser cladding device, so as to form the cladding alloy layer on the matching surface; then polishing the cladding alloy layer; during the laser cladding process, the flow rate of protective gas is controlled to be 2-20 L / min, the flow rate of powder feeding gas of the alloy powder is controlled to be 1-3 L / min, the power of laser is controlled to gradually increase from 20% to 90%, the powder feeding amount of the alloy powder is controlled to gradually increase from 1.5 g / min to 75 g / min; and the cladding height is controlled to be 15-25 mm.