7results 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 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).

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 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.