11results about How to "Reduce uneven thickness" patented technology

The utility model discloses chain paint dipping equipment, and particularly relates to the technical field of chain production, the chain paint dipping equipment comprises a shell, a paint dipping tank is fixedly connected in the shell, a paint dipping assembly and heating mechanisms are installed in the shell, and the paint dipping assembly is installed between the heating mechanisms; the paint dipping assembly comprises a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a fixing disc, the top end of the fixing disc is fixedly connected with a variable frequency motor, the output end of the variable frequency motor is fixedly connected with a first gear, the first gear is rotationally connected with the interior of the fixing disc, one side of the first gear is meshed with a first fluted disc, and the first fluted disc is rotationally connected with the interior of the fixing disc. By arranging the paint dipping assembly and the heating mechanism, paint liquid flowing can be accelerated, bubbles can be promoted to escape rapidly, paint film defects caused by bubble residues are reduced, the adhesive force of a paint film is improved, meanwhile, a chain can be heated before paint dipping, and the adhesive force of the paint liquid on the surface of the chain can be improved.

The invention belongs to the technical field of secondary batteries, and particularly relates to an in-situ solid electrolyte for a high-voltage system and a secondary lithium battery, the in-situ solid electrolyte is formed by initiating a polymeric monomer and a cross-linking agent in an electrolyte; the polymeric monomer comprises a first monomer and a second monomer; the first monomer is shown as a formula (I) and / or a formula (II); the second monomer is selected from an acrylate monomer and / or an amide monomer. Compared with the prior art, the in-situ solid electrolyte provided by the invention can form a polymer frame with high electrolyte coating property by adopting the polyfluorine monomer and cross-linking polymerization with other monomers, is beneficial to stabilizing an interface, and slows down the cracking of a LiF layer caused by the volume change of metal lithium and the nonuniform thickness of an SEI layer in long-term circulation.

The invention discloses extrusion blow molding production equipment for plastic film processing and a processing method, and belongs to the technical field of plastic film processing. Comprising a bottom plate and further comprises an extruding machine, the extruding machine is arranged on one side of the top end of the bottom plate, a mold for a film pipe blank is arranged on one side of the extruding machine, and a lifting structure comprises a transmission lead screw rotationally connected into a film frame, a connecting housing arranged on the outer side of the film frame in a sleeving mode and connected with a movable base and a transmission assembly arranged at the top end of the transmission lead screw; the servo motor drives the four transmission lead screws to rotate synchronously through the main transmission wheel and the driving wheel, so that the moving seat drives the moving plate to move up and down through the connecting housing to adjust the height of the moving plate, film guiding or maintenance is facilitated, the height adjusting function is achieved, height reduction in the initial stage of film production is facilitated, and production efficiency is improved. And meanwhile, the height is reduced, so that a worker can conveniently carry out daily maintenance on the device.

The utility model discloses a chemical fiber polyester composite yarn melt spinning structure, and relates to the technical field of melt spinning equipment. The chemical fiber polyester composite yarn melt spinning structure comprises a mounting frame, a stretching assembly and a yarn pressing assembly, a transmission roller is rotationally mounted on the mounting frame, the stretching assembly is located in the mounting frame and comprises sliding seats, a driving gear, a servo motor, an arc-shaped opening and an arc-shaped toothed plate, and the sliding seats are fixedly connected to the front side and the rear side of the mounting frame. Driving gears are fixedly connected to the outer walls of the two sliding seats, arc-shaped toothed plates are fixedly connected to the inner walls of the front side and the rear side of the mounting frame, the driving gears are meshed with the arc-shaped toothed plates, and the wire pressing assembly is located on one side of the stretching assembly. According to the device, the uniformity and quality of products are improved, the driving gear, the servo motor and the arc-shaped toothed plate are arranged, the effect of adjusting the tension of stretched spun yarns can be achieved, and the phenomenon that fibers are broken or broken due to too large tension in the stretching process can be effectively prevented through proper tension adjustment.

The application relates to the technical field of building construction equipment, in particular to a base layer and waterproof coating rapid drying device for waterproof construction, which comprises a cart, a heating box is fixedly connected to the left end of the cart, a heating plate is fixedly connected to the bottom end of the heating box, a gas injection box is fixedly connected to the right side wall of the heating box, and a pumping assembly is used for pumping hot air in the heating box into the gas injection box so that the gas injection box sprays hot air on the road surface and accelerates the drying of the waterproof layer; the arc-shaped drainage plate and the arc-shaped baffle are arranged, on one hand, the air in the heating box is heated to provide a hot air source for the gas injection box, and on the other hand, the air above the position of the mortar is heated to increase the air temperature, so that the wet mortar is dried, the surface of the mortar is solidified, the flowability of the mortar is reduced, and the problem that the thickness of the waterproof layer is uneven when the hot air blows the mortar is reduced.

The invention provides a slit die head and a coating device capable of reducing thickness unevenness in a crossing coating part extending in a crossing direction crossing with a coating direction. A slit die (20) for coating intersecting coating sections (71, 74) extending in an intersecting direction (B) intersecting with a coating direction (A) with a coating liquid (P) discharged from a slit-shaped discharge port (24) is provided with: a storage section (22) that is formed inside the slit die (20) and stores the coating liquid (P); and a roller (30) extending in the intersecting direction (B), the roller (30) comprising: a main body part (31) rotatably disposed in the storage part (22); a cross groove (36) which is formed in the main body surface (33) of the main body section (31), extends in the cross direction (B), and has a shape corresponding to the cross coating sections (71, 74); an introduction port (34) which is formed in the main body surface (33) and into which the coating liquid (P) stored in the storage unit (22) is introduced; and a communication section (35) that connects the intersecting groove (36) and the introduction port (34).

Provided is a polyester film for dry film resist which can achieve high flatness and transparency, good film slip properties, little uneven thickness in the width direction of the film, can be wound up in a roll shape, and can prevent air from being trapped between films. The novel polyester film for DFR is characterized in that the polyester film comprises a base polyester film having an intrinsic viscosity of 0.65 dl / g or more and has a particle-containing surface layer on at least one side thereof, the base polyester film containing particles having an average particle size of 0.030 to 0.200 μm at a mass ratio of 10 to 7000 ppm, the film is a single layer composed of a polyester layer (referred to as "A layer") substantially free of particles having a particle size of 0.300 μm or more, or a multi-layer film having the A layer on the surface thereof, and the particle-containing surface layer contains particles having an average particle size of 0.005 to 0.150 μm.

The invention relates to a spraying device for production of a trimmer shell. Comprising a spraying box, and the top end of the spraying box is rotationally connected with a cover plate; the top end of the cover plate is fixedly connected with a sealing rubber strip; an observation window is formed in the side wall of the spraying box; a water outlet is fixedly connected to the side wall of the spraying box; the side wall of the spraying box is fixedly connected with a pair of storage boxes; a pair of nozzles is arranged on the inner side wall of the spraying box; the spray head is connected to the storage box through a pipeline; the bottom end of the spraying box is rotationally connected with a first fixing rod. The side wall of the first fixing rod is fixedly connected with a pair of electric push rods; the side wall of the first fixing rod is slidably connected with a supporting ring. The supporting ring is pushed through the electric push rod, so that the ejector rod forms uniform supporting force on the inner side of the shell, the shell can be quickly fixed, the preparation time is shortened, and the defects after spraying caused by the fact that a clamp shields an outer spraying surface during spraying of a spray head due to clamping and fixing from the outer side during shell fixing are reduced.

The utility model discloses a copper base steel band lead -free segregation inhibits guide mill stand relates to copper base steel band processing technical field, the utility model discloses a base and two support side plates, two support side plates all fixed mounting in the top of base, a plurality of driving rollers are rotationally arranged between two support side plates, still include drive assembly, drive assembly sets up in the same end of a plurality of driving rollers, still include guide plate, guide plate fixed mounting between two support side plates, with guide plate is located in a plurality of driving rollers one side, in the utility model, the device is through spring resistance pressure formula guide structure and adapts to the steel band width change, and the cooperation of liftable third sleeve pipe realizes horizontal positioning and vertical spacing, can ensure the stable guide processing of steel band and prevent edge warping, and the height of guide roller can be adjusted by the rotary plate of pneumatic cylinder drive, can ensure the accurate entry of strip material into the roller and maintain the stability of tension, and the integrated chain transmission structure in drive cavity is compact, and the maintenance convenience is improved.

The invention relates to a seamless welding process and seamless welding equipment for a PPH winding storage tank, and relates to the technical field of winding storage tank production equipment.The seamless welding equipment comprises a rack and a mold cylinder rotationally arranged on the rack, the rack is further provided with an extrusion molding head and a heating piece, the extrusion molding head is arranged towards the outer surface of the mold cylinder, and the heating piece is arranged on the outer surface of the mold cylinder; the rack is further provided with a leveling assembly used for leveling the winding overlapping part and a trimming assembly used for trimming the surface of the leveled winding tank. The winding storage tank has the effects that the uniformity of the overall strength of the winding storage tank is improved, and meanwhile the attractiveness of the appearance of the winding storage tank is improved.

The present application belongs to the field of batteries. The present application provides a kind of pole piece for improving surface flatness, its preparation method and battery, the preparation method includes that the coating layer of pole piece has formed is carried out re-coating, the mode of re-coating is gravure coating, control the particle size of substance in slurry used in re-coating is less than the particle size of substance in the coating layer that has formed, then carries out isostatic pressing treatment, forms re-coating layer.The specific re-coating layer formed by isostatic pressing treatment of the present application can prevent the generation of internal and surface defects of pole piece caused by roll pressing, improve the surface roughness and thickness uniformity of pole piece, effectively improve the surface flatness of pole piece and reduce interface impedance, optimize the solid-solid contact state and effect of electrode active material and solid electrolyte in pole piece, and further improve the cycle stability of battery.