41results about How to "No fringe" patented technology

The invention discloses a metal wire rod precision alignment cutting device and a method. The device comprises a double-layer machine frame. A front end guiding tank, a revolving alignment tank, a traction mechanism, a back end guiding tank, a cutting mechanism and a machinery sizing mechanism are arranged on the top portion of the double-layer machine frame. The revolving alignment tank comprises a revolving alignment straight tank support seat, an alignment guiding tank, a plurality of alignment modules and a protection cover. The traction mechanism comprises a traction mechanism support seat, a servo motor, a driving friction wheel and a driven friction wheel. The cutting mechanism comprises a cutting wheel support frame, an air cylinder, a cutting wheel motor and a slice-shaped cutting wheel. The machinery sizing mechanism comprises a horizontal scale plate, a pressure sensor, an infrared transmitting sensor and an infrared receiving sensor. The method includes the steps that the metal wire rod enters the revolving alignment tank through a front end guiding rank. The metal wire rod is alignmented, tracted, cut and prepared and enters the next working circulation. The metal wire rod precision alignment cutting device and the method is high in automatic degree. The shape of the cut metal line segment and the size precision are high. The cutting opening is smooth, free of deckle edge and free of splitting off. The metal wire rod precision alignment cutting device and the method are strong in practicality.

The invention discloses a sheet stock slitting machine. The sheet stock slitting machine comprises a rack as well as a strip feeding mechanism, a slitting device and a strip rolling mechanism which are arranged on the rack, wherein the strip feeding mechanism and the strip rolling mechanism are respectively arranged in the front of and behind the slitting device. The sheet stock slitting machine is characterized in that the slitting device comprises a cutter shaft bracket, an upper cutter shaft, a lower cutter shaft and a cutter shaft power device for driving the upper cutter shaft and the lower cutter shaft to rotate; a plurality of groups of shearing modules are arranged at certain intervals between the upper cutter shaft and the lower cutter shaft; each group of shearing module is composed of an upper cutter on the upper cutter shaft and a lower cutter on the lower cutter shaft, and the upper cutters and the lower cutters are staggered at a horizontal interval of 0-2mm, and the distance between the upper cutter shaft and the lower cutter shaft is less than the radius sum of the upper cutters and the lower cutters. The sheet stock slitting machine is capable of slitting materials such as sheet metal strips and plastic films and is simple in structure, stable in operation and high in precision, the cutters are durable, and products are good in quality and free of deckle edges.

The invention discloses a longitudinal veneer slicer applied in the field of wood machining machinery. The longitudinal veneer slicer comprises a main frame, a secondary frame and a tool rest arranged on the main frame and capable of sliding along the longitudinal direction of the main frame, wherein the secondary frame is arranged at one end of the main frame, and a driving motor capable of driving the tool rest to reciprocate is arranged on the secondary frame; in addition, a liftable workbench is horizontally arranged on the main frame, the workbench is driven by a lifting motor, and corresponding clamping devices for clamping wood are arranged at two sides of the workbench; and when the longitudinal veneer slicer works, the wood is fixed on the workbench by using the clamping devices,the tool rest continuously reciprocates under the drive of the driving motor, meanwhile, the workbench can ascend for a distance after a slicing period is finished, and a planing tool arranged on thetool rest can continuously slice the veneer of certain thickness. The longitudinal veneer slicer has simple structure and relatively low cost, can ensure the uniformity of the thickness of the slicedveneer during slicing, and is very suitable for medium and small enterprises to use.

The invention discloses a naturally dried photosensitive acid-corrosion-resistant electroplating printing ink and a preparation method thereof. The naturally dried photosensitive acid-corrosion-resistant electroplating printing ink comprises the following components in parts by weight: 50-80 parts of alkali soluble photosensitive resin, 0-5 parts of cellulose used for coating, 2-10 parts of active diluents, 2-8 parts of photosensitizer, 10-40 parts of filler, 0.5-1 part of pigment, 5-15 parts of solvent and 0.5-3 parts of auxiliaries, wherein the alkali soluble photosensitive resin is prepared from the following components in parts by weight: 40-60 parts of mixture consisting of 20-30 parts of n-butyl acetate, 0-30 parts of methyl isobutyl ketone, 0-20 parts of methylbenzene and 0-20 parts of propylene glycol monomethyl ether acetate, 25-40 parts of styrene-maleic anhydride resin, 15-20 parts of acrylic acid monomer, 0.1-1.0 part of catalyst and 0.1-1.0 part of polymerization inhibitor. The naturally dried photosensitive acid-corrosion-resistant electroplating printing ink disclosed by the invention does not need baking, is dried naturally after being diluted and is energy-saving and is resistant to acid and electroplating, and a film formed after the electroplating printing ink sprayed and dried naturally is high in adhesive force, high in hardness, quick in development, capable of obtaining clear images and resistant to acid corrosion.

The invention relates to the technical field of articles for daily use, in particular to a stainless steel clamp clothes hanger and an assembling method thereof. The stainless steel clamp clothes hanger comprises a hook, a connecting disk and a plurality of supporting rods, wherein one end at the upper part of the hook is of a U-shaped structure, the bottom part of the hook is movably connected with the connecting disk through a connecting rod, one section at the upper part of the connecting rod is provided with a sliding region, the cross section area of the sliding region is smaller than that of the connecting rod, the sliding region is connected with a lock sliding block in a matching way, the lock sliding block is movably connected with a lock connecting rod, the connecting disk is movably connected with the supporting rods, the supporting rods are made by bending one sectional bar, one ends of the supporting rods are closing ends, the other ends of the supporting rods are open ends, and the left sides and the right sides of the open ends are respectively provided with outward bending structures. Compared with the prior art, the stainless steel clamp clothes hanger disclosed by the invention has the advantages that parts are made of stainless steel, thus the manufacture is convenient, and corrosion resistance is realized; connecting positions are designed into groove and through hole structures, thus the assembling is convenient, and the use is simple; various functions are realized, all the supporting rods can be erected, and the carrying is convenient.

An etching cream for silk screen printing on surface of glass is prepared through preparing etching powder from 10 raw materials including ammonium hydrogen fluoride, ammonium fluoride, starch, barium sulfate, etc. stirring in sealed state, proportionally mixing it with industrial hydrochloric acid, reaction, filtering to obtain etching liquid, mixing it with organic solvent, polyacrylic resin, polyose compound, barium salt and lipomatic compound, and stirring.

The present invention discloses an etching liquid for the flat panel display. The etching liquid comprises oxalic acid, trifluoromethyl benzenesulfonic acid and water. The using amount of the oxalic acid is 1-10% of the total weight of the etching liquid. The using amount of the trifluoromethyl benzenesulfonic acid is 0.5-5% of the total weight of the etching liquid, and the balance is water. Theinvention provides the etching liquid for the flat panel display, which has the advantages of high efficiency, high etching precision and no pungent odour. The etching liquid is used for etching the ITO transparent conductive film. The adopted oxalic acid and the trifluoromethyl benzenesulfonic acid are organic acids. The compound composed of the two organic acids is not easily volatilized and hasexcellent wetting quality. When used as the ITO conductive film etching liquid, the etching liquid compound has the characteristics of excellent etching performance, no residue, less environmental pollution, etc.