75results about How to "Guaranteed technical requirements" patented technology

The invention belongs to the eyewear industry and particularly relates to a machining technology for a slender molded contact pin of a glasses leg. A system for machining the slender molded contact pin of the glasses leg is adopted to perform a series of fine machining including plane abrasion, polishing and the like on all parts of a product. The machining process and system are simple, and the machining method is feasible and can guarantee technical requirements. Not only is the problem that a domestic contact pin is difficult to guarantee the technical requirements solved, but also the machining difficulty and the production cost are reduced. More enterprises in China can produce the product that meets the technical requirements. Thus, the product is more competitive in the market.

The invention discloses a quick change type cigarette case tracing code printing device of a CT type packing machine. A steel stamp seat transmission shaft is provided with a steel stamp base and an arch seat used for mounting steel stamp combinations, the upper edge is provided with three groups of steel stamp combination mounting grooves circumferentially and uniformly, the steel stamp combinations are correspondingly fixed in the three groups of steel stamp combination mounting grooves through small arc clamping plates, a circumferential slide way is formed through a convex clamping strip of the arch seat, and a large clamping plate is arranged on one side of the arch seat and is provided with a positioning pin; the arch seat can be positioned between the steel stamp base and the large clamping plate, and a steel stamp corresponded seat and a locking block are locked onto a corresponded block transmission shaft; a steel stamp corresponded block is connected to the side of the steel stamp corresponded seat, the upper portion of the steel stamp corresponded block is protruded from the steel stamp corresponded seat, and the steel stamp corresponded block is capable of sliding on the steel stamp corresponded seat and being locked; the corresponded block transmission shaft is arranged parallel to a steel stamp seat transmission shaft, and the steel stamp corresponded block corresponds to the steel stamp combinations in positions in the radial direction of the transmission shaft.

The invention relates to the technical field of light emitting and displaying and discloses a dual-mode fluorescent anti-counterfeiting material and a preparation method thereof. The chemical composition of the dual-mode fluorescent anti-counterfeiting material is NaGdF4: Yb/Ho/Ce@NaYF4: X (wherein X is Eu, Tb, Sm or Dy), and the dual-mode fluorescent anti-counterfeiting material emits multi-colorlight with adjustable performance under the excitation of 980-nm near-infrared light and 254-nm ultraviolet light. According to the dual-mode fluorescent anti-counterfeiting material and the preparation method thereof in the invention, prepared rare earth-doped heterogeneous fluoride core-shell nanoparticles realize the dual-mode luminescence characteristic of efficient multi-color regulation andcontrol for the first time; i.e., high-efficiency up-conversion luminescence of green light, yellow light, red light and light of other colors can be realized under the excitation of a 980-nm near-infrared lamp, and multi-color down-conversion luminescence of red light, green light, yellow light and the like is realized under the excitation of a 254-nm ultraviolet lamp; the anti-counterfeiting dual-mode rare earth luminescent material is different from traditional single-mode luminescence, meets the technical requirement of fluorescence anti-counterfeiting, and greatly improve anti-counterfeiting safety; and meanwhile, the preparation method for the material provided by the invention is simple and convenient in process, relatively good in repeatability and easy for mass production.

The invention discloses a plastic lifting handle eyeleting device of a full-automatic carton lifting handle eyeleting machine. The device is composed of a rack, an air cylinder, an eyeleting support, a sizing assembly and a shaping assembly. The sizing assembly is composed of a sizing block shaped like a question mark, a locating block shaped like an inverted L, a sizing block tension spring and a ratchet. The shaping assembly is composed of a shaping block with an inclined face at the lower end, a shaping bearing and a shaping tension spring. According to the technical scheme, technical problems in plastic lifting handle eyeleting of the carton lifting handle eyeleting machine are solved, automation of plastic lifting handle eyeleting can be achieved, production cost is reduced, production efficiency is improved greatly, and technical demands of plastic carton lifting handles in the eyeleting process are met.

The invention provides a processing tooling for a motor seat, which has the advantages that the positioning is rapid and reliable, and the processing time of the motor seat can be effectively shortened. The processing tooling comprises a bottom plate, wherein counter bores corresponding to projected circular rings arranged on the motor seat are arranged on the upper surface of the bottom plate, and four plate pressing devices for tightly pressing four corner parts of the motor seat are also arranged on the bottom plate.

The invention relates to a drawing-out method for a high-speed steel cold roll neck, and belongs to the technical field of forging. The drawing-out method includes the following process steps that back necking is preheated; then starting from the necking, a lower anvil is sequentially drawn out to the end in the axial direction of a blank; after each plane is drawn out, the blank is turned over by 90 degrees, a next adjacent plane is drawn out, and as well, starting from the necking, the lower anvil is sequentially drawn out to the end in the axial direction of the blank; and finally, chamfering is carried out on the blank which is drawn out to be in the size meeting the process requirement. By means of the drawing-out method, deformation of a forge piece can be more even in the axial direction, the stress state of the surface and the core can be changed, defects are prevented, and the percent of pass of the forge piece is improved.

The invention discloses a plastic lifting handle sizing device of a full-automatic carton lifting handle eyeleting machine. The device is composed of a rack, a motor, a motor belt wheel, conveying assemblies and sizing assemblies. The conveying assemblies are two in number and of the same structure, and the sizing assemblies are two in number and of the same structure. The two conveying assemblies and the two sizing assemblies are respectively fixed on the rack in parallel. Each conveying assembly is composed of an upper driving gear, a lower driving gear, an upper driving belt wheel, a lower driving belt wheel, an upper driven belt wheel, a lower driven belt wheel, an upper adjusting wheel and a lower adjusting wheel. Each sizing assembly is composed of a baffle block shaped like an inverted L, an upper sizing block and a lower sizing block. According to the technical scheme, technical problems in plastic lifting handle sizing of the carton lifting handle eyeleting machine are solved, sizing effect is good, automation of the sizing device is achieved, production cost is reduced, production efficiency is improved greatly, and technical demands of plastic carton lifting handles in the sizing process are met.

The invention discloses a plastic lifting handle conveying device of a full-automatic carton lifting handle eyeleting machine. The device is composed of a rack, an outer cover, a conveying assembly, a locating plate and a stop platform, wherein the conveying assembly, the locating plate and the stop platform are arranged on the rack. Both the locating plate and the stop platform are fixedly arranged on the rack 1 in an inclined and paralleled mode, and a rail is arranged in the middle of the locating plate. The conveying assembly is composed of a motor, a motor belt wheel fixed on a motor shaft, a driving wheel, an eccentric wheel, a transmission connection rod, a conveying platform and a pulley. According to the technical scheme, technical problems in plastic lifting handle conveying of the carton lifting handle eyeleting machine are solved, automation in plastic lifting handle conveying is achieved, production cost is reduced, production efficiency is improved greatly, and technical demands of plastic carton lifting handles in the conveying process are met.

The invention discloses a wire harness support forming die which comprises an upper die assembly and a lower die assembly. The upper die assembly comprises a die shank, an upper die holder, a base plate, a screw, a male die, a cylindrical pin, a positioning pin, an inner hexagon bolt and two guide sleeves; the lower die assembly comprises an ejector plate, an ejector pin, a lower die holder, an insert, inner hexagon screws, two female dies, a positioning plate, positioning rings, a bolt and two guide columns; the die shank is positioned in the middle of the upper die holder, the base plate is positioned in the middle of the lower side of the upper die holder, the male die is positioned in the middle of the lower side of the base plate, the two guide sleeves are respectively positioned on the left and the right of the front of the upper die holder, the insert is positioned in an I concave table of the lower die holder, the two female dies are respectively positioned on two sides of the middle of the insert, the ejector plate is positioned in the middle of the insert, one end of the ejector pin is positioned on the lower side of the ejector plate, the other end of the ejector pin is penetratingly arranged in an ejector pin hole of the insert, the positioning plate is positioned above the female dies, and the two guide columns are respectively positioned on the left and the right of the front of the lower die holder. The wire harness support forming die has the advantages that four products can be formed by the wire harness support forming die at one step, and the wire harness support forming die can be operated easily and conveniently and is high in production efficiency.

The invention discloses a textile spinning machine fixed gauge casing radial runout detection device, which comprises a base. The base is provided with a detection platform; a leveling mechanism is arranged between the base and the detection platform; a left L-shaped support and a right L-shaped support which are arranged in an opposite and staggered mode are arranged on the detection platform; a cone bar is arranged above the left L-shaped support, and a positioning screw hole is arranged in the bottom part of the left L-shaped support; a limiting hole is arranged above the right L-shaped support, and a positioning hole is arranged in the bottom part of the right L-shaped support; after the screw hole and the positioning hole are connected via a screw, the right L-shaped support is movably arranged on the left L-shaped support; a dial indicator is also arranged on the detection platform; and the limiting hole is arranged on the axis of the cone bar. According to the textile spinning machine fixed gauge casing radial runout detection device, the structure is simple and the operation is convenient; and the precision of the spinning machine fixed gauge casing and the technical requirements can be ensured, the flat machine quality of the textile industry main engine equipment can be improved, and enhancement of the textile industry product quality can be promoted.

A technology for manufacturing the shaped key shaft blank includes such steps as providing cold-drawn circular steel, annealing, pickling, bonderizing, sharpening, cold die drawing, repeating said steps one or two times, and cutting short by needle length. Its advantages are low cost and improved internal structure.

The invention discloses a carburizing and quenching heat treatment method which is applied to gas carburizing and quenching production normally required by common low-carbon steel and low-carbon alloysteel workpieces. The carburizing and quenching heat treatment method specifically comprises the following steps of S1, firstly, putting the workpieces into a carburizing furnace, and strong carburizing section treatment and diffusion section treatment are performed on the workpieces in the carburizing furnace, wherein the carburizing temperature of the strong carburizing section treatment is 915DEG C-925 DEG C, the carbon potential of the strong carburizing section treatment is 1.1%-1.2%, the carburization temperature of the diffusion section treatment is 905 DEG C-915 DEG C, the carbon potential of the diffusion section treatment is 0.8%-0.9%, and the carburizing heat preservation time ratio of the strong carburizing section treatment to the diffusion section treatment is 11: 9; S2, performing cooling and quenching along with the carburizing furnace; S3, performing quenching oil cooling; and S4, performing tempering. By means of the method, the hardness and the hardened layer depthof the low-carbon alloy steel workpieces are guaranteed, meanwhile, it is guaranteed that the refined metallographic structure meets the national standard, and the carburizing and quenching quality is stably improved.

The invention relates to a forming and flanging die for a U-shaped support frame of an automobile, which comprises an upper die part and a lower die part, wherein the upper die part comprises a die handle, an upper die base, an upper cushion plate, a forming concave die, a flanging convex die, guide sleeves, fixed screws, fixed pins and a square pin; two guide sleeve mounting holes are formed in the left side and the right side in the front of the upper die base; a die handle mounting hole, four countersunk head fixed screw holes and two fixed pin holes are formed in the middle of the upper die base; the lower die part comprises a lower die base, a lower die cushion plate, a lower die, guide posts, a positioning pin, fixed screws and fixed pins; two guide post mounting holes are formed in the left side and the right side in the front of the lower die base; four countersunk head mounting holes connected with the lower die cushion plate and two fixed pin holes connected with the lower die cushion plate are formed in the middle of the lower die base; a lower die base mounting screw hole is formed in the lower part of the lower die cushion plate; a flanging concave die hole is formed in the middle of the lower die cushion plate; and in addition, a square groove hole is formed in the upper part of the lower die cushion plate. The forming and flanging die has the benefit that the forming and flanging process of the U-shaped support frame can be finished at one step by the forming and flanging composite die.

The invention provides a tool fixture and process for machining a measuring orifice plate part, and belongs to the field of machining. The tool fixture comprises a central spindle, and further comprises a first ejection plate and a second ejection plate. The first ejection plate and the second ejection plate are provided with threaded holes. The central spindle is provided with an external thread. The first ejection plate and the second ejection plate are in threaded connection with the central spindle and are perpendicular to the central spindle. The tool fixture and process are used for solving the problems that in the existing process of machining the measuring orifice plate part, due to the poor rigidity of the part, the part is prone to deformation in machining, the parallelism error between the two end faces of the part is large, machining efficiency is extremely low, the machining dimensional tolerance and the geometric accuracy error are large, and the technical requirements of the part can not be met.

The invention discloses microwave-vulcanized water-swelling rubber used for continuous extrusion and a production method thereof, and an extrusion molding device used for producing the microwave-vulcanized water-swelling rubber. The microwave-vulcanized water-swelling rubber comprises the following components in parts by mass: 32.9 to 40.2 parts of chloroprene rubber, 40.2 to 42.8 parts of a preformed polymer, 8 to 8.2 parts of an inorganic reinforcing filler, 2.4 to 3.0 parts of a curing agent, 0.4 to 2.0 parts of an accelerator, 5 to 10 parts of an auxiliary processing agent, 3.2 to 3.9 parts of calcium oxide, 0.8 to 1.0 part of an anti-aging agent, 1.2 to 2.3 parts of zinc oxide and 0.6 to 1.0 part of magnesium oxide. The production method comprises the following steps: mixed rubber processing, placement and standing, remixing, extrusion molding, microwave vulcanization, coil rolling, and inspection and warehousing. The microwave-vulcanized water-swelling rubber provided by the invention has significant social benefits. The microwave vulcanization process for the microwave-vulcanized water-swelling rubber provided by the invention has the following advantages: processing procedures are few; edge trimming is saved; labor and raw materials are saved; and a product has the advantages of stable quality, high yield, high work efficiency and applicability to large-scale production; etc.

The invention relates to a switchover imaging photographic device which comprises an imaging photographic system which does not comprise light sensing devices, a micro lens array, switchover imaging photographic lenses and light sensing devices. The micro lens array is arranged on an imaging position of the imaging photographic system and fully covers an image plane of the imaging photographic system. Multiple sets of switchover imaging photographic lenses with different focal distances are arranged behind the micro lens array according to the principle that the focal distances of adjacent lenses are different and emitting light rays of the micro lens array are fully covered. The switchover imaging photographic lenses image the image plane of the imaging photographic system on the light sensing devices after the image plane is kept equal or amplified according to the geometry conjugation relationship. Each switchover imaging photographic lens corresponds to a light sensing device. Image stacking zones of all the light sensing devices are spliced and compounded to be an integral image. With the imaging photographic system, the micro lens array, the switchover imaging photographic lenses and the light sensing devices are combined to obtain an image which has equal or higher image quality and resolution and high geometric precision and a large complete image.

The invention relates to an electric appliance, in particular to an inner casing of an electric water heater. The inner casing of the electric water heater is of an upper casing and lower casing buckling structure, a converter cavity, a controller cavity and a heating device cavity are separately arranged in the sealed upper casing and lower casing, another independent power line lead-in cavity is communicated with other cavities through a hole which serves as a power line lead-in hole, a waterproof connector fixing hole for leading in power lines is arranged on the wall of the outer side, and a sealed cover plate seals up the power line lead-in cavity. A binding post clamping base is arranged in the power line lead-in cavity, and the cover plate is arranged on the power line lead-in cavity. A user interface plate cable lead-in port convenient to seal is arranged on the wall on the outer side of the controller cavity formed by the sealed upper casing and lower casing, a converter and a heater can be installed in other cavities formed by the upper casing and the lower casing, and a fixing support is arranged at the edge of the outside of a lower casing. The inner casing of the electric water heater is good in sealed protection, insulating and waterproof effects and high in safety coefficient and accords with the technical requirements of national standard II-class fast-heating type water heaters.

The invention relates to the technical field of polymer material preparation, in particular to a method and system for continuously preparing a liquid crystal polymer with a controllable molecular structure. The method at least comprises the following steps: 1) carrying out multistage tandem acetylation reaction and/or pre-polymerization reaction on a first acetylation reaction material to providea first acetylation monomer and/or a prepolymer with a polymerization degree of Xn; 2) carrying out multistage tandem acetylation reaction and/or pre-polymerization reaction on the second acetylationreaction material to provide a second acetylation monomer and/or a prepolymer with a polymerization degree of X'n; and 3) carrying out polymerization reaction on the first acetylated monomer and/or the prepolymer with the polymerization degree of Xn in the step 1) and the second acetylated monomer and/or the prepolymer with the polymerization degree of X'n in the step 2), removing small moleculesand acetic acid in vacuum, and performing extruding and pelletizing to provide the liquid crystal polymer. According to the invention, the molecular structure can be regulated and controlled; and meanwhile, the generation of small molecular by-products and branched chains is inhibited, and the product performance is improved.

The invention discloses a copper alloy die machining device and machining process. The copper alloy die machining device comprises an oil pressure power die handle (1), a cutting edge female die (6), a lower fixing cutting edge pedestal (7) and a workpiece discharging cavity support (9). The bottom end of the oil pressure power die handle (1) is connected with a pressurization movable copper male die (2). The cutting edge female die (6) is clamped between an upper fixing guide plate (4) and the lower fixing cutting edge pedestal (7). An upper through hole is formed in the center of the upper fixing guide plate (4). A cutting formed edge is formed in the center of the cutting edge female die (6). A lower through hole is formed in the center of the lower fixing cutting edge pedestal (7). The size of the upper through hole, the size of the lower through hole and the size of a cutting formed edge cavity are larger than the size of a die body of the pressurization movable copper male die (2). The pressurization movable copper male die (2) is guided into and can vertically move in the upper through hole, the lower through hole and the cutting formed edge. The lower fixing cutting edge pedestal (7) is installed on the workpiece discharging cavity support (9). A modern numerical control milling machine is replaced by the copper alloy die machining device to conduct machining, production efficiency is improved by multiple times, production, manufacturing and machining cost is reduced, and the quality of products is stable.

The invention discloses a manufacture process for an energy-storing spring guide bar, which is characterized in that the guide bar takes a brass combined forging with an insert as a body material, and the insert is a stainless steel bar taking 1Cr18Ni9Ti-Q as the material. The manufacture process comprises the following steps: a. blanking the brass material, and fine-processing the stainless steel bar; b. heating the brass material at the heating-up temperature to be 700-750 DEG C; c. placing the stainless steel bar and the brass material into a die, and die-forging the brass material and the stainless steel bar together on a punch, heating the die during the die-forging process at the heating temperature to be 250-300 DEG C; d. removing the stress and annealing the forging after the die-forging; and e. cold-trimming the forging . The manufacture process efficiently solves the problems of high technical requirements and great manufacture difficulties of the energy-storing spring guide bar.