230results about How to "Avoid flatness" patented technology

The invention discloses a high-strength light foam ceramic plate and a manufacturing method thereof, and belongs to the field of building material manufacturing. The ceramic plate comprises the following materials in percentage by weight: 10-30 percent of sludge/bottom mud, 20-30 percent of building waste, 15-25 percent of waste ceramic, 10-25 percent of waste glass, 5-15 percent of bentonite, 5-15 percent of kaolin, 0.5-5 percent of aluminum powder, 5-10 percent of sodium bicarbonate, 0.5-1.5 percent of animal albumen foaming agent and 9-16 percent (percentage of total amount of the solid matters) of water. The manufacturing method comprises the following steps of: mixing and crushing the main raw material; adding the animal albumen foaming agent and water; granulating; filling a granular material into a refractory combined mould; leveling; filling in a kiln; firing; and performing cold processing to produce a ceramic plate finished product. The high-strength light foam ceramic plate has the advantages of high product strength, small volume weight, fire proofing, excellent freeze proofing, long-term water proofing, readily available main raw material which basically comes from environmental solid waste, has a wide source and is low in cost and adoption of the animal albumen foaming agent of small using amount and wide source; the manufacturing process has the advantages of simplicity, high efficiency, energy conservation, environmental friendliness, no secondary pollution; and the high-strength light foam ceramic plate can be used as thermal insulation decorative materials, fire barriers and the like of exterior walls of buildings.

The invention discloses a method for improving precision of stepped components in a laser spot-changing direct formation mode. The method includes the steps that a cladding test is performed firstly, the sectional width and height data of a single-track cladding layer under different technological parameters are obtained, orders of a sectional curve of the cladding layer under different aspect ratios are fitted out, and the function relationship between the orders of the sectional curve of the cladding layer under the different aspect ratios and the height and lifting capacity of the single-track cladding layer is built; then single step-shaped tracks corresponding to the same lifting capacity are built, the technological parameters of the laser spot-changing cladding single tracks are determined according to the single step-shaped tracks, and a highly-smooth cladding layer is formed in a cladding mode through laser spot-changing direct formation; after one cladding layer is completed, a spray nozzle is lifted by a layering height, new fusion tracks are formed in a cladding mode through the single step-shaped tracks, and operations circulate until manufacturing of a three-dimensional part is completed. By means of the method, the highly-smooth cladding layer is obtained, the phenomenon that the top of the cladding layer is not even and portions of small aspect ratios are prone to tension fracture is avoided, and the method improves formation precision and guarantees formation quality.

The invention belongs to the field of mobile communication, and relates to a wireless communication module, in particular to a high-performance small-sized module of a code division multiple access (CDMA) evolution-data optimized (EV-DO) mobile terminal. The small-sized module is applicable to a third generation (3G) user terminal. The wireless communication module is characterized in that: board-level connection is carried out by ball grid array (BGA) package; the level of integration is high; the size is small; good electrical performance and an external interface function are realized; and requirements of a customer can be well met. The wireless communication module comprises a radio frequency front end, a transmitting and receiving channel, a base band processing part, a memory and a power manager, wherein the base band processing part and the radio frequency front end are placed on a top layer of a circuit board; a shielding cover is arranged on the top layer to guarantee an excellent electromagnetic compatibility function of the module; the memory is placed on a bottom layer of the circuit board; and the bottom layer adopts an advanced BGA technology to guarantee reliable connection during the application of the module.

The invention discloses a glazed door window sash. The glazed door window sash comprises two side frames and a glazed door window sash body, a mounting component is combined at each of the top and the bottom of the glazed door window sash body, the glazed door window sash body is fixed between the two side frames through the mounting components, each mounting component comprises a pressing component and a fastening component, and the pressing components and the glazed door window sash body are matched to press the fastening components to generate prestress and further fasten the glazed door window sash body. The glazed door window sash has the advantages that the glazed door window sash body is fixed with the side frames through the prestress mounting components, and glass and a glazed door window sash frame form a rigid integral rather than an existing rectangular splicing structure, so that structural stability among the glazed door window sash body and the side frames is guaranteed, the problem of deformation of a door window sash connecting structure caused by self weight of the glazed door window sash body can be avoided, the problem of falling resulting from one-sided stress does not exist, and the glazed door window sash is safer in structure and more reasonable in stress.

The invention discloses a display panel and a display device. The display panel comprises a display panel main body, a back plate layer which is positioned on one side of the display panel main body, and a supporting layer which is located on the side, away from the display panel body, of the backboard layer, wherein the backboard layer comprises a first backboard located on the side, close to the display panel body, of the supporting layer, a buffer layer located on the side, away from the supporting layer, of the first backboard, and a second backboard located between the buffer layer and the display panel body. The display panel comprises the integrated structure formed by combining the back plate and the buffer layer, and problems of wrinkles and uneven surface caused by multiple times of bending of the display panel are solved.

The invention provides a flexible display module and a display device. The flexible display module comprises a crimpable flexible display panel and a support layer arranged below the flexible display panel, wherein the flexibility of the support layer when the temperature is higher than the specified temperature is smaller than the flexibility of the support layer when the temperature is smaller than or equal to the specified temperature; and when the temperature of the support layer is smaller than or equal to the specified temperature value, the support layer can be curled together with the flexible display panel. The display device comprises the flexible display module.

The invention discloses a fine dried noodle elasticity modulus measuring method based on pressure lever post-buckling. A load measuring device is installed firstly, a static pressure head of the load measuring device is fixed on a base, a force sensor is arranged on a movable arm of the load measuring device, and then a dynamic pressure head is fixedly connected with the force sensor; a certain number of fine dried noodles cut to have corresponding length are respectively arranged between the static pressure head and the dynamic pressure head; and the amount of movement of the dynamic pressure head is determined according to the length of the fine dried noodle and an set intersection angle of the end part of a twisted curve, then the load measuring device is started again, the dynamic pressure head is driven by the load measuring device to load the fine dried noodles in a speed of 0.01mm/s, load corresponding to the amount of movement of the dynamic pressure head is measured by the load measuring device, and at last the fine dried noodle elasticity modulus is counted by a formula relationship. The invention uses pressure lever stability principle and large deflection theory of mechanics of materials to establish the relationship of axial compression, the end part intersection angle and pressure, establishes a counting method of the fine dried noodle elasticity modulus, has simple and convenient measuring method and high precision, and can control the length of the fine dried noodle elasticity modulus to be between 60 mm and 220mm.

The invention belongs to the field of continuous beam construction, and provides a construction method for strengthening construction quality of a 0# block of a cast-in-situ beam. The problems existedin an existing 0# block construction method are solved. A detachable stiff skeleton is adopted to position a continuous beam bottom plate rebars and support a top plate during construction, and the top and the bottom of a vertical skeleton are detachable; precise positioning of the vertical layer distance and the horizontal distance of vertical rebars and horizontal rebars of the top plate of thecast-in-situ beam segment can be ensured by arranging an longitudinal and transverse angle steel clamping tool; positioning of all prestressed pipes of a section of a continuous beam is achieved by utilizing a position frame; controlling of the mounting angle of an anchor backing plate is achieved by presetting the mounting angle of an upper inclined plane of an anchor box and a vertical pluggingplate, so that the prestressed tensioning effect is improved by controlling an prestressed tendon axis to be perpendicular to the anchor backing plate; and material steel pipes on a construction siteare effectively and reasonably utilized as concrete material distributing channels and vibrating channels, and full in-place of concrete casting and timely in-place of vibrating are achieved by pre-embedding in advance of the channels.

The invention relates to the technical field of printed circuit boards, in particular to a manufacturing method of a rigid-flexible combined board. According to the invention, the press-fit structureis changed and a pp window does not need to be formed in a prepreg in the press-fit process; a PI protective film is attached to a pre-cutting area. During the press-fit process, the prepreg does notneed to be contracted inwards, so that the sufficient flowing adhesive is provided to ensure the bonding effect of the rigid-flexible layer and a problem of overflowing of the excessive flowing adhesive to the pp window, that is, binding to the flexible area is solved. Besides, with no PP window, a flatness problem of protruding or recession on the press-fit surface due to the window height falling difference caused by the PP window in the prior art is solved.

The invention discloses a woven cloth edge cutting device of a textile machine. The device comprises a support, two mounting plates in parallel are mounted on the top of the support, and a pinch roller, a cloth conveying roller, a supporting roller and a cloth rolling roller are mounted between the two mounting plates from left to right in sequence; grooves are formed in both ends of the side surface of the pinch roller, and annular blades are fixedly mounted on the side surface of both ends of the cloth conveying roller; a first roller shaft and a second roller shaft are fixedly mounted at two ends of the cloth conveying roller and the cloth rolling roller respectively, a first hub is fixedly mounted at one end of the first roller shaft, a motor hub is connected to the first hub through a belt, and a second hub is connected to the motor hub through a belt. Through the design of the two annular blades on the cloth conveying roller, cutting irregularity or cutting incompleteness caused by cloth deflection is prevented, and the efficiency and speed of edge cutting are greatly improved; the height of the pinch roller is adjustable through a height adjusting device, the applicability is wider, the structure is simple, and the production cost of the cloth is reduced.

The invention discloses a device for leveling a super-flat floor. The device is arranged on a concrete cushion layer of the super-flat floor, the concrete cushion layer is divided into multiple bar-shaped areas, and the device comprises prestress darby slickers, angle bars, backing plates, pressing plates and multiple pairs of bolts with the height adjustable; a pair of holes which are formed in a spaced mode are formed in each side of each bar-shaped area at the interval of 1.5-2.0 m, a pair of the bolts with the height adjustable are fixedly installed in each pair of holes respectively, each backing plate is fixedly installed on the corresponding bolt at each side of each bar-shaped area, each backing plate is fixedly provided with the corresponding angle bar, the length of each backing plate and the length of each angle bar are equivalent to the length of the concrete cushion layer, and the two ends of each prestress darby slicker are placed on the angle bars at the two sides of the corresponding bar-shaped area. The invention further discloses a method for constructing a super-flat floor through the device. The device is simple in structure and convenient to manufacture, the high flatness of the floor can be guaranteed in the floor construction process, and floor construction quality is improved.

The invention provides a Mini LED chip and a manufacturing method thereof. The first auxiliary extension electrodes are located between the first type semiconductor layer and the first bonding electrodes and are not connected through the corresponding auxiliary extension electrodes. That is to say, no auxiliary extension electrode is manufactured on the surface of the exposed first-type semiconductor layer at the electrode contact hollowed-out part, so that the problem that the area occupied by the electrode contact hollowed-out part is enlarged due to the existence of the auxiliary extensionelectrode is avoided, the area of a light-emitting region is large, and the light-emitting efficiency of the Mini LED chip is improved. Further, according to the technical scheme provided by the invention, an auxiliary extension electrode does not need to be manufactured; therefore, the problems that the flatness of the prepared first bonding electrode is poor and the coverage effect of the insulation isolation reflection layer is poor due to the existence of the auxiliary expansion electrode are avoided, the reliability of the Mini LED chip is improved, and the light-emitting angle of the Mini LED chip is ensured to achieve an expected effect at the same time.

The invention discloses a construction method with supports and templates in the single side of an arc shear wall, and belongs to the technical field of architectural engineering. The method comprisesthe steps of measurement and line layering, steel bar installation, manufacturing the templates of the arc shear wall, assembling and fixing the templates, fixing the bottoms of the templates in theouter sides, erecting supports, concrete pouring and dismounting the templates and supports. The large templates are used to reduce splicing seams of the templates, reduce template assembling time andaccelerate construction; the customized arc templates of a steel and plastic combined template system are used to reduce the deviation of arc degree and verticality, and the engineering quality is improved; the bottom is fixed by split bolts and compressed by square strips in the lower, the template stability is improved, template displacement is reduced, and conditions including slurry leakage,surface unevenness, template expansion and staggering of the bottom of the exterior wall are avoided; a triangular steel pipe truss system of the wall uses steel pipes, fasteners and template steel bar back ribs for fixation, inclination of the templates is controlled and the safety is improved; and the large steel-plastic templates and the triangular steel pipe truss system are used repeatedly sothat energy is saved, the environment is protected and the cost is reduced.

The invention relates to a bonding encapsulation structure and method suitable for radio frequency MEMS. The method comprises the steps that organic materials are spin-coated on an encapsulation coverplate and patterned, then Cr and Au are sputtered, and an encapsulation cover plate with the uniformly distributed organic materials and cavities is obtained by using a method that the cavities are etched with a TMHA solution. The cover plate full of the cavities is made from a high-resistance silicon material, and the cavities are obtained through wet etching by using the TMAH solution. By meansof the encapsulation method, the organic materials can be smoothly distributed in a bonding area, the effective bonding area of wafer-level bonding is increased, and then the airtightness, the reliability and other performance of the product obtained after bonding are improved. A low-temperature bonding technology is adopted to conduct low-temperature encapsulation of a radio frequency device, and while good mechanical strength and airtightness are achieved, the requirements for encapsulating the RF MEMS device which is sensitive to temperature are met.

The invention discloses a mounting structure for car door glass tightening, which comprises a car door glass body, wherein the car door glass is movably arranged on a car door through a moving device on a car window track; the car door glass body is fixed on the moving device through a tightening system; the tightening system comprises an oppressing component and a plurality of tightening components; and the tightening components are oppressed through the match of the oppressing component with the car door glass body to generate a pre-stressing force to tighten the car door glass body. In the mounting structure for the car door glass tightening provided by the invention, the tightening components are oppressed through the match of the oppressing component with the car door glass body together to generate the pre-stressing force; the car door glass body becomes a main control element to generate the pre-stressing force; the tightening components are made of elastic materials; and under the action of external forces, a stable pre-stressing force is formed at the inner part of the materials and stored to form a stable pre-stressing force system with the car door glass body and the oppressing component together.

The invention provides a precise locating and fixing device of prefabricated part embedded parts and a using method of the locating and fixing device. The device comprises a steel bottom die, the steel bottom die is provided with aluminum top dies, each aluminum top die is provided with several prefabricated part locating holes, prefabricated part locating pins are inserted into the prefabricated part locating holes and are connected with prefabricated parts, and the aluminum top dies are provided with aluminum side dies. The precise locating and fixing device of the prefabricated part embedded parts and the using method of the locating and fixing device have the advantages that on the condition that it is guaranteed that the prefabricated parts are precisely located, the replacable and repariable functions of an aluminum template are utilized to the greatest extent, and the waste due to damage to large steel templates is reduced; simple locating pins and locating holes are utilized to achieve precise locating of the prefabricated parts, and are simple and practical and firmly and reliably locate the prefabricated parts. The precise locating and fixing device is quickly installed, and good in demoulding effect and can be repeatedly recycled, it is guaranteed that the prefabricated parts are precisely located and fixed, the phenomena that the prefabricated parts slip and are staggered are avoided, and the problems that the large steel templates are wasted when the large steel templates are drilled and subjected to hole filling or the templates are out of flatness caused by hole filling and drilling can also be avoided.

The invention discloses a blended yarn impurity removal and transporting mechanism which comprises a box body, a transporting mechanism body and an impurity removal mechanism, wherein landing legs are arranged at the bottom of the box body; the transporting mechanism body and the impurity removal mechanism are arranged in the box body; a first support plate and a second support plate are in sliding fit with a yarn feeding press roller through a first connecting shaft; a sleeve is arranged on the first connecting shaft in a sleeving manner; the sleeve is connected with the bottom end of a telescopic rod; the top end of the telescopic rod is connected with the top surface of the box body; a first spring is arranged on the telescopic rod in a sleeving manner; the first support plate and the second support plate are rotatably connected with a yarn feeding rotary roller through a second connecting shaft; the yarn feeding press roller is right above the yarn feeding rotary roller; a third support plate is rotatably connected with a yarn guiding rotary roller through a third connecting shaft; and a fourth support plate is rotatably connected with a driving rotary roller through a fourth connecting shaft. The blended yarn impurity removal and transporting mechanism can compress and transport blended yarn to enable the blended yarn to be fully unfolded during the transporting process and ensure the transporting broad width of the blended yarn, is cleaner and more comprehensive in blended yarn impurity removal and higher in efficiency.

The invention discloses a method for making a circuit structure. The method comprises the following steps: a dielectric layer with a second surface is laminated on a first surface of a circuit substrate and a first patterned circuit layer; at least one blind hole and an engraved pattern are formed, and the blind hole extends from the second surface to the first patterned circuit layer; a patterned photoresist layer is formed on the second surface and provided with at least one opening, and the blind hole and the engraved pattern are exposed by the opening; a region where the patterned photoresist layer is positioned is defined as a first region, and a region outside the first region is defined as a second region; an activating layer is formed in the first region and the second region; the patterned photoresist layer and the activating layer in the first region are removed so as to leave the activating layer in the second region; an electricity conducting material is formed on the activating layer in the second region; and partial electricity conducting material and partial activating layer in the second region are removed.

The invention relates to a backlight assembling structure of a vehicle-mounted display screen. The backlight assembling structure comprises a cover plate structure, a display screen and a display screen backlight; a groove which is matched with the display screen is arranged in the display screen backlight; the display screen is mounted in the groove and a gap is formed between the display screenand the groove; the upper surface of the display screen tightly and completely fits with the lower surface of the cover plate structure through a first glue layer; and the upper surface of a groove frame of the groove of the display screen backlight tightly fits with the lower surface of the cover plate structure through a second glue layer. Through arranging the display screen in the display screen backlight, completely fitting the display screen with the cover plate and fitting the display screen backlight with the cover plate, the display screen backlight and the display screen are divorcedfrom an assembling relationship, so that the weight and flatness problems of the display screen backlight are avoided, the display screen is prevented from stress and the MURA problem of the displayscreen is solved; and through arranging a transparent panel corresponding to a display screen window in the cover plate, the newton stripe problem in the display screen window is solved.

The invention provides a refractory ceramic product and a manufacturing technology thereof and relates to the technical field of ceramics. The refractory ceramic product comprises 200-350 weight parts of blanks, 50-100 weight parts of glazes and 20-40 weight parts of auxiliaries. The raw material composition and the manufacturing technology of the refractory ceramic product provided by the invention are both strictly controlled; at the aspect of the raw materials, blanks, glazes and auxiliaries are reasonably prepared, so that the roasted ceramic product has excellent high temperature resistance, chemical stability, hardness and toughness; at the aspect of the technology, an once-firing manner is adopted for roasting the ceramic, so that the shovel strength is increased and the cost is lowered; besides, a method for gradually increasing temperature and roasting in stages is adopted for roasting, so that the cracking and uneven surface caused by the rapid loss of the ceramic water can be avoided, the yield of the product can be greatly increased and the refractory ceramic product is worthy of popularization in the market.

An electronic device may be provided which is superior in gas barrier performance and robustness (flatness and dark spot resistance), and a gas barrier film fabrication method may be provided.

The invention provides a lug bending structure and a battery cell reshaping device with the lug bending structure. The lug bending structure is used for bending lugs on two ends of a battery cell, and comprises a main body, and an extrusion part arranged on the main body, wherein the extrusion part is characterized in that when the lug bending structure is used for bending, an inner side of a radial direction or an outer side of the radial direction of the extrusion part firstly press against the end part of a radial direction of the battery cell, and the extrusion part can press the lugs from one side of the radial direction to the other side of the radial direction along the radial direction of the battery cell on the end part of the battery cell. According to the lug bending structure provided by the invention, the extrusion part sequentially presses the lugs from one side to the other side along the radial direction on the end part of the battery cell, so that the problems of inconformity in felling directions of the lugs and poor smoothness after the battery cell is reshaped are effectively solved, and a follow-up welding process has no insufficient welding, reduced internal resistance and low overcurrent temperature.

The invention relates to an ultrasonic roll welding stand which comprises a platform, a bearing arm, an ultrasonic roll welding device and a metal band supply device, wherein the platform is rectangular, the short axis of the platform is parallel with the X axis, and the long axis of the platform is parallel with the Y axis; the bearing arm is parallel with the Y axis and has a preset distance to the platform; the ultrasonic roll welding device is arranged on the bearing arm near the front end of the platform, and the ultrasonic roll welding device is provided with a lifting unit and a disc type ultrasonic welding head; and the metal band supply device can supply a metal band to the disc type ultrasonic welding head, the metal band supply device is provided with a spacing groove, the spacing groove is arranged at the back end of the disc type ultrasonic welding head, the metal band is arranged in the spacing groove, and the front section of the metal band protrudes out of the spacing groove and is clamped between the disc type ultrasonic welding head and the platform. Thus, the metal band can be quickly welded onto one substrate without deviation to be used for improving the processing quality and increasing the product yield.

The invention discloses a vehicle paint surface spraying and repairing device, and belongs to the technical field of vehicle paint repairing technologies. The vehicle paint surface spraying and repairing device comprises a shell and sealing doors, and the sealing doors are arranged at the two ends of the shell to form a closed shell with a mounting space inside. A conveying device used for conveying a vehicle is arranged at the bottom of the inner side of the shell, and the inner part of the shell is sequentially provided with a grinding area, a phosphorization area, an electrophoresis area, aspraying area and a drying area in the conveying direction of the conveying device. The grinding area is provided with a grinding mechanism, the phosphorization area is provided with a phosphorization mechanism, an electrophoresis part is arranged in the electrophoresis area, a spraying part is arranged in the spraying area, and a drying mechanism is arranged in the drying area. By arranging multiple repairing mechanisms, car paint repairing can be carried out in a sealed dust-free environment, and the paint spraying and repairing effects of a vehicle paint surface are enhanced so that the vehicle can recover the paint spraying effect obtained when the vehicle leaves a factory. The conveying device and the like are arranged, so that the repairing work is more intelligent, and the work efficiency is improved.