44results about How to "Guaranteed Appearance Requirements" patented technology

The invention discloses a metal terminal rear cover and a terminal. The metal terminal rear cover comprises a bottom plate. At least one micro-seam belt is arranged on the bottom plate. A plurality of micro-seams are formed in each micro-seam belt. The micro-seam belts divide the bottom plate into at least two radiation parts. At least one of the radiation parts is used for being connected with a matched circuit and sending electromagnetic waves. The micro-seams are formed in the micro-seam belts, and therefore the proportion of nonmetal parts on the metal terminal rear cover is decreased; the radiation parts are connected with the matched circuit, and therefore electromagnetic waves are radiated; antenna radio frequency is achieved for the metal terminal rear cover, and therefore the antenna radio frequency efficiency is improved, the antenna radio frequency efficiency is improved when the overall appearance requirement of the terminal is ensured, and the effect of improving user experience is achieved.

The invention discloses a concrete crack surface cut groove sealing and blocking structure and a concrete crack surface cut groove sealing and blocking method. Through adopting the small-width-to-depth-ratio cut groove sealing and blocking technology, concrete cracks can be effectively repaired or reinforced. Firstly, a proper handheld angle grinding machine is adopted, a matched and proper angle grinding machine is selected for grinding sheets, the concrete is cut into a plurality of end-to-end fold lines along the cracks or construction seams, the cutting is completed, pressure water is adopted for clean flushing, accumulated water in the grooves is naturally dried in the air or is dried through blowing, then, cementing materials are filled for seam sealing, and when the cutting seams need to be widened, a double-angle grinding machine can be adopted for grinding sheet parallel cutting. The structure and the method provided by the invention have the advantages that the construction is fast and convenient, economy and applicability are realized, the environment is protected, and good economic benefits and social benefits are realized.

The invention provides a machining method of a high-precision deep and long hole thin-walled sleeve part. The machining method comprises the following steps that a rod is clamped and subjected to rough-machining forming, the machining allowance is reserved, and a process chuck is reserved; a roughly-machined workpiece is subjected to thermal treatment aging; and the process chuck of the workpieceis clamped by a lathe, finish machining of the workpiece is completed during primary clamping machining according to a workpiece drawing, and finish machining is divided into the following working steps that a core shaft, a lining and a screw are manufactured; the process chuck is clamped on the lathe, the core shaft is crammed into roughly-machined inner holes of the workpiece, and an outer circle of the part is machined to the required dimension; the screw is screwed into a core shaft threaded hole, and the core shaft is taken out of the workpiece; the lining sleeves the machined outer circle of the workpiece, the outer end face of the workpiece is machined, and the large and small inner holes and the bottom face are bored; tool setting is conducted from the bottom face, the outer end face of the workpiece is machined, and the length dimension L2 of the workpiece is ensured; and the workpiece is cut off, and the total length L1 of the workpiece is ensured. According to the machiningmethod of the high-precision deep and long hole thin-walled sleeve part, the rigidity of the part is improved, machining deformation of the part is reduced, vibration during thin-walled part machiningis reduced, and the machining quality and surface roughness are improved.

The invention provides a preparation method for polymethacrylate pour point depressant, which solves the problem that a traditional preparation method utilizes an organic solvent to serve as dehydrant, one of the shortcomings of the method is that in the esterification process, because of long time, pressure in a reaction kettle is high, the kettle extremely easily explode, second, dehydrant is usually a flammable and explosive product, especially toluene commonly used in the esterification process not only is flammable and explosive, but also has toxicity; and third, due to the fact the dehydrant is slightly soluble in water, certain amount of dehydrant is discharged to the natural world in the sewage discharge and causes environment pollution. The preparation method for the polymethacrylate pour point depressant is characterized in that the dehydrant is removed, esterification is performed through a method of vacuum pressure reduction, namely in the esterification process, water produced in the esterification process is absorbed from the reaction kettle by utilizing negative pressure, and the conversion of a esterification reaction is improved. The preparation method for the polymethacrylate pour point depressant has the advantage of overcoming the defects existing in the traditional method.

The composite material made mold plate comprises the core material, featuring in the slots on the surface of the core material, fiber cloth layer on the top and bottom surface of the core material, setting through holes that stuffed with resin pegs along the thickness direction of the core material at the crossing section of the slots based on requirement. It features in its lightness, high strength, obvious improvement of concrete building speed, not only being able to saving constructing expenses, but also applicable to construction under special conditions.

The invention discloses a method for producing a color coating of a steel plate. The method for producing the color coating of the steel plate comprises the following production steps: (1a) uncoiling a 1# strip material coil: gradually uncoiling the 1# steel strip material coil with an uncoiler, so as to obtain a 1# strip material; (2a) conveying the 1# strip material in a clamped manner: conveying the 1# steel strip downstream by a clamp conveying device; (3a) subjecting the 1# strip material to entry shearing; (4) carrying out converging and clamp-conveying; (5) carrying out riveting; (6) carrying out flattening; (7) carrying out entry looping; (8) carrying out degreasing; (9) carrying out water washing; (10) carrying out chemical coating; (11) carrying out chemical coating baking; (12) carrying out primary powder spray-coating: coating the surface of the steel strip with a powder coating in a spraying manner; (13) carrying out primary spray-coating curing; (14) carrying out primary spray-coating forced cooling; (15) carrying out secondary special coating spray-coating: carrying out special coating spray-coating on the forced-cooled and primary-spray-coated material; (16) carrying out secondary special coating forming: carrying out special coating curing forming in a coating forming device; (17) carrying out exit looping; (18) carrying out cold film coating; (19) carrying out before-shearing clamp-conveying; (20) carrying out discharging shearing; (21) carrying out receiving clamp-conveying; and (22) carrying out coiling.

The invention relates to a capacitive touch screen laminating process. The process comprises the following steps: 1. selecting a lamination program according to the product model; 2. setting lamination parameters and vacuumizing the table board, wherein the pressure is -40 to -85 Kpa, the rolling shaft pressure is 400-600 g, and the shift-out speed is 30-50 cm/min; 3. clicking an original point and resetting a turning plate and a transfer plate; 4. clicking a locating needle button so that the locating needle pops up; 5. placing an optical clear adhesive (OCA) punched with locating holes on the transfer plate so as to carry out vacuum extraction; 6. placing a sheet needing to be laminated on the turning plate so as to carry out vacuum extraction; 7. removing the sheet needing to be laminated and a protective film on the OCA; 8. starting a start button so that equipment works; and 9. after the lamination, taking down the laminated sheet from the turning plate. Through the process, the problems of inaccurate alignment and bubble generation in the lamination process of the touch screen are solved, the lamination alignment precision is improved, the generation of foreign matters and bubbles is reduced, and the requirements on the product appearance are met. The lamination process is simple and fast and suitable for mass production.

The invention relates to an air conditioner, in particular to an indoor unit of the air conditioner. The indoor unit comprises an indoor unit shell with an air outlet, wherein the indoor unit shell is provided with a door used for opening and closing the air outlet. The indoor unit comprises a drive device, wherein the drive device can drive the air outlet to be in a closed state and can drive the door to be located in the indoor unit shell and make the area of the projection, in the direction vertical to the air outlet, of the door smaller than the area of the air outlet. According to the indoor unit, the door can be used for closing the air outlet to perform a dustproof function, meanwhile, when the indoor unit works, the door can be used for opening the air outlet and be contained in the indoor unit shell, and the requirement for the appearance of the indoor unit during operating can be effectively met; besides, due to the fact that the area of the projection, in the direction vertical to the air outlet, of the door is smaller than the area of the air outlet, after the air outlet is opened, and the door is of an integrated structure in design, and when the air outlet is closed through the door, no joint lines exist on the surface of the door and the requirement for the appearance of the indoor unit is met.

The invention belongs to the technical field of fluid control, and particularly relates to an automatic black glue dispensing technique and an automatic glue dispensing device. The automatic black glue dispensing technique is applied to the automatic glue dispensing machine which comprises a glue dispensing platform, a glue dispensing head, a glue valve, a glue port and a motor. The automatic black glue dispensing technique comprises the following steps that S1, whether a starting button on the automatic glue dispensing machine is pressed or not is detected; S2, if yes, the glue dispensing head starts to move according to a preset motion curve and moves to a preset glue dispensing positions; S3, the glue valve is opened, and glue starts to be output of the glue port; S4, the motor starts to operate, and a product is evenly coated with glue; S5, the glue valve is closed, and the motor continues to keep operating; S6, the motor stops operating, and the glue port starts to suck the glue backwards; and S7, the glue dispensing device is reset. According to the automatic black glue dispensing technique provided by the invention, black glue dispensing can be completed efficiently with high quality, the production efficiency can be improved substantially, production cost is reduced, and the practicability is high.

The invention discloses a color coating production method for steel plates. The method comprises the steps of (1a), No.1 belt material unwinding; (2a), No.1 belt material clamping feeding; (3a), No.1 belt material inlet shearing; (4) integral clamping feeding; (5) riveting; (6) flattening; (7) inlet looping; (8) degreasing; (9) water washing; (10) chemical coating; (11) chemical coating drying; (12) primary coating; (13) primary coating curing; (14) primary coating forced cooling; (15) roundabout air cooling; (16) finish coating; (17) finish coating curing; (18) finished coating forced cooling; (19) outlet looping; (20) cold film coating; (21) clamping feeding before shearing; (22) discharge shearing; (23) collection clamping feeding; and (24) winding. The invention further provides a production device for implementing the method. Through utilizing the method and the device, the coating technology of replacing paint through powder can be achieved, the environment is improved, the production efficiency of colored steel is improved, and the method and the device can be widely applied to color coating of steel plates and have good industrial production prospect and application potential.

The invention discloses a production method and products of metal exposed terminals. The production method includes: making the metal exposed terminals by new manufacturing process, namely plating a functional area of metal alloy with Au, plating a weld leg area with metal for enhancing solderability. In other words, the metal for enhancing solderability replaces part of plated Au, and a layer of black Ni is plated on the surface of the metal alloy plated with the Au and the metal for enhancing solderability by rack plating. Therefore the function and appearance requirements of the metal exposed terminals are met, production efficiency of the metal exposed terminals is improved, the cost is lowered, and benefit is created. According to related production and applications, the treatment cost of the metal exposed terminals can be reduced by about 50% by improving the production efficiency and saving precious metals.

The invention discloses a metal coiled material color-coating production method and a production apparatus thereof. The method comprises the following steps: (1a) No.1 belt material unwinding, an uncoiler is used for gradually expanding the steel belt material coil to obtain the No.1 belt material; (2a), No.1 belt material clamping feeding; (3a), No.1 belt material inlet shearing;) (4) integral clamping feeding; (5) riveting; (6) flattening; (7) inlet looping; (8) degreasing; (9) water washing; (10) chemical coating; (11) chemical coating drying; (12) powder spraying; (13) primary coating curing, powder coating solidification treatment is carried out in a spraying curing furnace; (14) spraying forced cooling; (15) outlet looping; (16) cold film coating; (17) clamping feeding before shearing; (18) discharge shearing; (19) collection clamping feeding; and (20) winding. The invention further provides the production apparatus for implementing the method. Through utilizing the method and the production apparatus, the coating technology of replacing paint through powder can be achieved, the environment is improved, the production efficiency of colored steel is improved, and the method and the apparatus can be widely applied to color coating of steel plates and have good industrial production prospect and application potential.

The invention discloses an ejection mechanism for an injection mold for electroplated parts. The ejection mechanism comprises ejection blocks (4) and a driving mechanism used for driving the ejection blocks (4) to vertically move for being released from the mold; the ejection blocks (4) are connected inside a lower mold assembly of the injection mold in a sliding mode in the vertical direction; the driving mechanism comprises a sliding block (2), sliding block inclination guide columns (5) and ejection block inclination guide columns (3), wherein the sliding block (2) is connected to the lower mold assembly in a sliding mode in the horizontal direction, the upper ends of the sliding block inclination guide columns (5) are fixedly connected to an upper mold assembly, the lower ends of the sliding block inclination guide columns (5) are connected to the sliding block (2) in a sliding mode and drive the sliding block (2) to slide towards the outer side of the injection mold in the mold opening process, one ends of the ejection block inclination guide columns (3) are fixedly connected inside the sliding block (2), and the other ends of the ejection block inclination guide columns (3) are connected to the ejection blocks (4) in a sliding mode and drive the ejection blocks (4) to slide upwards for ejecting products in the mold opening process. According to the structure, ejection marks are prevented from being left on surfaces of the products, the appearance requirement of subsequent electroplating is met, and the quality requirement of the products is met.

The invention discloses an FPCB (flexible printed circuit board) board, a smart card and a packaging method thereof. The FPCB board is provided with a first component and a second component, the FPCBboard is provided with a through groove at the position of the second component, and the through groove is used for providing a deformation space for the FPCB board when the second component and the first component are positioned on the smart card, so that processing errors of the two components can be adjusted through the deformation, the two components on the FPCB board can be fixedly positionedat correct positions of the smart card, and poor appearance or poor functions of the smart card due to deflection, caused by production and processing errors, of the two components can be avoided. Inaddition, appearance and functional requirements of the components on the smart card are guaranteed, and smart card production yield is increased.

The invention relates to a stripper ejector mechanism which comprises a stripper and an integrated insert. The integrated insert comprises a mold core at the upper part and a fixed plate connected with the mold core and positioned at the lower part. The mold core at the upper part of the integrated insert is matched with the stripper. A cooling water passage is arranged on the stripper. A cooling water passage is arranged on the integrated insert. The mold core and the fixed plate are integrated into the integrated insert, so that the problem that the strength of the mold core is influenced due to a gap between the stripper and the mold core of a conventional die, so that the thickness of a product is nonuniform is solved, the requirement on the appearance of the product is ensured and the form of the stripper ejector mechanism is also ensured.

The invention discloses a piston casting method and a casting mold thereof. A plurality of casting patterns are distributed on a single layer and arrayed orderly; a running gate is arranged in the center of the casting patterns; the running gate and the casting patterns are connected through a plurality of pouring gates; each casting pattern is prevented from shrinkage depression by a blank pressing and shrinkage feeding method, and the blank pressing and shrinkage feeding method means that a riser is arranged between every two adjacent casting patterns for shrinkage feeding; the end faces ofthe casting patterns are provided with annular protrusions used for distinguishing the product specifications; and the upper surface of the risers are provided with strip-shaped protrusions used for distinguishing the product specifications. The piston casting method and the casting mold thereof have the beneficial effects that the production method is simple and high in production efficiency; thecooling speed of castings is even, the hardness uniformity of the castings is high, the protrusions are arranged on the casting patterns and the risers so that the product specifications can be easily distinguished, and management of foundry returns is convenient.