43results about How to "Fast pace of production" patented technology

This invention relates to a package structure of an organic electroluminescent device and its manufacturing method, in which, the organic electroluminescent device includes a package structure with a flat packaged cover made of glass, polymer, metal or alloy material and its composite film material, and the flat package cover can be prepared by a roller extrusion method. The package structure is especially suitable for large size or soft OLED, since no gas space exists during the packaging process, the device can be made thinner and distortion of the cover can be avoided.

The invention relates to an ultra-thick high temperature-resistant steel for a pressure vessel and a preparation method thereof. After smelting and refining, the steel is subjected to continuous casting, hot rolling, normalizing and tempering. The steel comprises the following controlled chemical components in percentage by mass: 0.08-0.15% of C, 0.15-0.40% of Si, 0.40-0.70% of Mn, 0.90-1.20% of Cr, 0.15-0.30% of V, 0.25-0.35% of Mo, at most 0.025% of P, at most 0.010% of S and the balance of Fe and inevitable inclusions. The preparation method provided by the invention comprises the steps of smelting, heating, rough rolling, finish rolling, normalizing and tempering. The invention has the characteristics of appropriate design and proportion of the chemical components, simple manufacturing process, large thickness dimension (80mm), good heat resistance, stable product performance and the like.

The invention relates to a smelting technology method of a steel technological process and specifically relates to a method based on high-silicon high-phosphorus molten iron converter low slag material consumption to melt low-phosphorus steel. The method comprises the following steps: utilizing single-slag operation under the conditions that Si of molten iron putting into a furnace is larger thanor equal to 0.55% and smaller than or equal to 0.8% and P of molten iron putting into the furnace is larger than or equal to 0.17% and smaller than or equal to 0.22%; making a molten iron temperaturelarger than 1250 DEG C and a scrap steel ratio larger than 25%; utilizing a less-slag material, adding the less-slag material into a melting model and controlling the adding amount of an auxiliary material. When Si of general molten iron putting into the furnace is larger than or equal to 0.6% or P of the general molten iron putting into the furnace is larger than or equal to 0.12%, a duplexing method or a double-slag method is utilized by a converter. Under the situations of molten-iron-free three-removal pretreatment and converter duplexing method dephosphorization, operation of the method disclosed by the invention utilizes a single-slag method; under the premises that converter lime consumption is smaller than 40kg / t and a new slag material consuming total amount is smaller than 70kg / t, the condition that P is smaller than 0.012% when a smelting point C is larger than or equal to 0.065% is ensured at the same time. The method disclosed by the invention can effectively reduce novelslag material consumption of high-silicon high-phosphorus molten iron converter smelting, is favorable for reducing industrial waste generation and reduces production cost of per ton of steel.

The invention belongs to the technical field of converter steelmaking processes, and particularly relates to a method for smelting high-phosphorus molten iron to produce steel with converter end pointP less than or equal to 0.01% by adopting slagless material. The method comprises the following steps that loading low-silicon high-phosphorus molten iron and steel scrap which are not subjected to triple-removal pretreatment into a converter, a single-slag method is adopted to carry out blowing, a slagging material is added twice in a blowing process and a gun position control mode of high, low, high and low is adopted in the blowing process, and oxygen supply and nitrogen supply are carried out in the blowing process; after the blowing is completed, the steel is discharged, slag splashingis carried out after the steel is discharged, slag is reserved after the slag splashing, and is used for smelting in the next furnace. According to the method, on the premise that lime consumption ofa steel liquid is less than or equal to 30 kg / t, and the consumption of the new slag material is less than or equal to 50 kg / t, dephosphorizing of the molten iron with the following components, by weight, 0.14-0.26% and Si, 0.15-0.20% of P is carried out until P is less than or equal to 0.01%, and a dephosphorization rate is larger than or equal to 94%, so that the problem that low-phosphorus steel is smelted by a low-silicon high-phosphorus molten iron with the few slag material in the single-slag method is solved.

The invention relates to a low-alloy high-strength hot-pierced and hot-rolled fully-threaded once-formed bolt. The fully-threaded bolt is widely used for road side slope support and tunnel, mine and water conservancy and hydropower engineering support and is the most economic and effective important tool for improving geotechnical stability and solving the stability problem of complex geotechnical engineering. The conventional cold rolling or hot rolling production process requires at least two times of heating for producing fully-threaded bolts and is high in energy consumption and low in efficiency. The method thermally roll and pierce low-alloy steel rod through one time of heating, forms the fully-threaded bolt with waste heat after reducing and sizing, integrally normalizes by using residual heat, and directly produces a fully-threaded hollow bolt through on-line once forming. The technology solves the drawbacks of low efficiency, high energy consumption and low quality of the conventional process in fully-threaded bolt production.

An automatic four-station three-process feeding mechanism comprises a base, a feeding frame beam, connecting rods and clamping devices. The front end and the rear end of the base are respectively provided with a vertical shaft hole, a rotating shaft is installed in each shaft hole, a rocker arm and one connecting rod are respectively fixed at the upper end and the lower end of each rotating shaft, the other ends of the connecting rods are connected to the feeding frame beam in a pivot mode, the pivot points among the feeding frame beam, the base and the two connecting rods form a parallelogram connecting mechanism, a power source is installed among the rocker arms and the base, and the four clamping devices are evenly arranged on the upper side of a feeding frame from front to rear at equal intervals. The parallelogram connecting mechanism is fast in transposition production rhythm and high in production efficiency and saves working auxiliary time effectively; the four-connecting-rod structure is adopted for the whole structure, in feeding and discharging processes, receding action exists between the feeding mechanism and a main shaft of a roll forming machine, and the feeding mechanism can automatically conveying rim blanks to the main shaft and is reasonable in structure, accurate, and high in stability.

The invention discloses a micro-titanium alloying Q355B medium-thickness steel plate and a low-cost production method therefor, and belongs to the technical field of ferrous metallurgy. The steel plate comprises the following chemical components in percentage by mass: 0.15-0.18% of C, less than or equal to 0.24% of Si, less than or equal to 1.60% of Mn, 0.020-0.045% of Al, 0.020-0.040% of Ti, lessthan or equal to 0.10% of Cr, less than or equal to 0.025% of P, less than or equal to 0.008% of S, less than or equal to 0.080% of N, and the balance of iron and inevitable impurity elements. In order to solve the technical problem that in the prior art, the continuous production rhythm can be affected due to the fact that a blank needs to be kept warm in the rolling process of a 30-40 mm medium-thickness Q355B steel plate, the micro-titanium alloying Q355B medium-thickness steel plate has the advantages that precious elements such as V, Nb and Cu are not added, controlled rolling is not needed, and the production rhythm can be greatly improved.

The invention discloses a device for tightening a cylinder hoop after covering of a cylinder. The device is used for locking the cylinder hoop of the cylinder; the cylinder hoop comprises a cylinder hoop ring, a clamping seat and a buckle seat, wherein the clamping seat and the buckle seat are located at an opening of the cylinder hoop ring; the device for tightening the cylinder hoop after covering of the cylinder comprises a machine seat, a cylinder supporting assembly and a cylinder hoop clamping assembly; the machine seat forms a hoop tightening space used for containing the cylinder hoopwhich is horizontally placed and is in a loose state; the cylinder supporting assembly comprises a supporting frame which is arranged on the machine seat and correspondingly located below the hoop tightening space; the supporting frame has an active stroke in the up-down direction to upwards push a to-be-locked part of the cylinder covered with a cylinder cover into the hoop tightening space to belocated in the cylinder hoop ring of the cylinder hoop; and the cylinder hoop clamping assembly comprises a clamping driving assembly arranged on the machine seat to enable the cylinder hoop ring ina loose state to be tightened and enable the clamping seat and the buckle seat of the cylinder hoop to be in buckle locking. Manual work is replaced with mechanical equipment, and thus the productionefficiency is improved.

The invention discloses a single-barrel dipping-coating all-in-one machine. The single-barrel dipping-coating all-in-one machine comprises a machine body, a dipping-coating device arranged inside the machine body and a motor (8) arranged outside the machine body, wherein a machine cover (10) is arranged at the top end of the machine body; the dipping-coating device comprises a coating liquid barrel (3), a material frame (2) of which the diameter is less than the inner diameter of the coating liquid barrel (3), and a hand-operated liquid barrel lifting device connected with the coating liquid barrel (3), wherein a main shaft (7) is arranged at the center of the coating liquid barrel (3), the lower end of the main shaft (7) is connected with the motor (8) by a belt, and the material frame (2) is movably connected with the top end of the main shaft (7) penetrating through the coating liquid barrel (3). The single-barrel dipping-coating all-in-one machine has the beneficial effects of quick production rhythm, good economic practicability and high coating utilization rate, can coat blind hole type parts and is labor-saving in operation.

The invention relates to the field of corundum smelting, in particular to a novel corundum smelting furnace. The novel corundum smelting furnace is structurally characterized in that a conductive cross arm (5) is arranged above a furnace body (1); an electrode (4) is arranged at the end part of the conductive cross arm (5); a furnace cover (2) is arranged at the top of the furnace body (1); the furnace body (1) is arranged on a tilting frame (3), and a turndown oil cylinder (10) is arranged at the bottom of the tilting frame (3); a discharging groove (7) is formed in one side of the furnace body (1); a receiving bag (8) is placed below the discharging groove (7); the conductive cross arm (5) is arranged on an upright lifting column (6); the tail end of the conductive cross arm (5) is connected with a water-cooled cable (9); the water-cooled cable (9) is connected with an electric furnace transformer (12) through a short net (11). Compared with the prior art, the novel corundum smelting furnace has the advantages that continuous production can be realized, the production rhythm is quick, and the lower consumption is low; moreover, the furnace cover is simple in structure, safe and reliable, water feeding is not needed, and the productivity is greatly improved.

The invention belongs to the technical field of medium plate production, and particularly relates to a titanium microalloyed Q355B structural steel plate and a recrystallization controlled rolling process method thereof. The steel plate comprises the following chemical components in percentage by mass: 0.16 to 0.20 percent of C, 0.15 to 0.30 percent of Si, 0.70 to 0.90 percent of Mn, less than or equal to 0.025 percent of P, less than or equal to 0.015 percent of S, 0.015 to 0.045 percent of Als, 0.055 to 0.070 percent of Ti and the balance of Fe and inevitable impurities. The process method comprises the steps of blast furnace molten iron smelting, molten iron pre-desulfurization, converter smelting, deoxidation alloying, LF refining furnace refining, slab continuous casting, slab reheating, rolling mill rolling, laminar cooling, steel plate straightening, finished product sampling inspection and warehousing. The recrystallization controlled rolling process is adopted in the rolling stage, conventional two-stage controlled rolling is not adopted, temperature holding after first-stage rolling is avoided, and the production rhythm is high.

The invention discloses a deep drawing forming method for a metal housing of a deep cylindrical part and a multi-pass one-time forming die. The deep drawing forming method comprises the following specific steps of (1) performing blanking, (2) locating a plate, (3) pressing the plate with a blank holder 5, and (4) performing multi-pass one-time molding. The multi-pass one-time forming die comprisesa male die and a female die corresponding to the male die; the male die comprises a last-pass male die as well as an intermediate-pass male die and a first-pass male die which sequentially sleeve thelast-pass male die; the female die comprises a last-pass female die as well as an intermediate-pass female die and a first-pass female die which are sequentially arranged on the last-pass female die;the first-pass female die is provided with locating pins for locating the plate; and the edge pressing ring sleeves the first-pass male die. The trouble of positioning the plate in multiple times dueto transverse movement of a blank in a multi-pass multi-step continuous stamping process can be saved, the problems of waste materials, die clamping and the like generated during multi-pass multi-step deep drawing can be solved, and the production rhythm and rate can be increased.

The invention discloses an ultrahigh-phosphorus molten iron low-cost smelting method for polar region steel. The method sequentially comprises the following steps of a converter smelting step of smelting raw materials including molten iron, deoxidizing and tapping and alloying; an LF refining step of performing slag adjusting and refining on molten steel obtained in the converter smelting step, to obtain refined molten steel; an RH degassing step of performing vacuum degassing on the refined molten steel; and a continuous casting step of performing continuous casting on the molten steel obtained after the RH degassing step, to obtain a casting blank. According to the method, single and double slag area smelting is performed according to the content of Si in the molten iron, and thus consumption of the smelting raw materials is greatly reduced, the smelting period is shortened, and the production process is accelerated.

The invention discloses a dedicated quenching device of a steel plate spring, and belongs to the field of heat treatment quenching cooling equipment of steel plate springs. According to a whole quenching and cooling dedicated device designed by an inventor, quenching cooling temperature is controlled through a numeric terminal, the cooling curve approaching to the design technology is achieved, the ideal material structure and the ideal performance can be obtained, and the finished product quality of the steel plate spring is greatly improved. The dedicated quenching device can be suitable for small-batch multispecies steel plate spring heat treatment, the production rhythm is rapid, the device is compact in rhythm, and energy consumption losses are small.

The invention relates to a pre-smelting process of electrolytic aluminum liquid. The pre-melting process of the electrolytic aluminum liquid comprises the following steps that (1) pre-alloying treatment is carried out, specifically, after the electrolytic aluminum liquid enters a transfer vacuum ladle, pre-alloying treatment is carried out, and after intermediate alloy is put into the transfer vacuum ladle, inert gas is blown into the transfer vacuum ladle from a micropore gas permeable brick at the bottom of the transfer vacuum ladle till the intermediate alloy is completely molten; (2) blowing purification treatment is carried out, specifically, after the intermediate alloy is completely molten, a covering agent is arranged on the surface of melt firstly, then the flow and pressure of the inert gas are adjusted, and the flow and pressure of the inert gas are controlled to be in a periodic hill peak mode of gradually increasing and then gradually decreasing; and (3) after blowing purification is finished, standing is carried out for 2 - 5 min, and then the covering agent is removed. According to the pre-smelting process of the electrolytic aluminum liquid, the electrolytic aluminum liquid is pre-smelted in the transfer vacuum ladle, components are pre-adjusted, the gas content and the slag content are reduced, and the melt cleanliness is improved so that the electrolytic aluminum liquid can be directly used for high-quality aluminum alloy production, production efficiency is high, pollution is less, and cost is low.

The invention discloses a removing device of a tail coil of a cold-rolling unit. The removing device of the tail coil of the cold-rolling unit comprises a support. The top of the support is an inclined face. A coil pushing plate, a coil partition plate and a baffle are arranged on the top of the support. The coil pushing plate and the coil partition plate are connected with the support through a rotating shaft a and a rotating shaft b correspondingly. The rotating shaft a and the rotating shaft b are connected with a coil pushing hydraulic cylinder and a coil partition hydraulic cylinder correspondingly through hinged joints. The coil pushing hydraulic cylinder and the coil partition hydraulic cylinder are both connected with the support. According to the removing device of the tail coil of the cold-rolling unit, the tail coil can be rapidly and effectively removed without the need for a crane. A tail coil removing method comprises the following steps that firstly, the tail coil is made to be identical with the top of the support in height; secondly, the coil pushing hydraulic cylinder drives the coil pushing plate to push the tail coil to reach the coil partition plate; and thirdly, the coil partition hydraulic cylinder is started, the coil partition plate is made to be unfolded, the tail coil rolls to the baffle along the support, and a forklift lifts the tail coil and conveys the tail coil to a workshop tail coil storage area. By the adoption of the tail coil removing method, the work efficiency is improved.

The invention relates to a scrimber double-station forming device. The scrimber double-station forming device comprises pressure heads, two die clamping blocks, die separating blocks, dies and a workbench. The two die clamping blocks are installed on the workbench, the die separating blocks are installed between the two die clamping blocks, the dies are installed between the die clamping blocks and the die separating blocks and located on the workbench, and the pressure heads are arranged at the upper ends of the positions between the die clamping blocks and the die separating blocks and move up and down between the die clamping blocks and the die separating blocks. The scrimber double-station forming device is installed on a hydraulic machine, and the pressure heads are fixed to the lower end of a slide block of the hydraulic machine. The scrimber double-station forming device has the advantages that the potency of a super-tonnage main machine of the frame-type hydraulic machine is sufficiently realized, one device is provided with the two dies, and thus, the forming efficiency is multiplied; a one-station movable die clamping block, a one-station clamping wedge and a driving cylinder are omitted; and the main machine structure is greatly simplified, the reliability is higher, and the manufacturing cost is lower.