176results about How to "Solve wrinkle" patented technology

The invention discloses a curing forming method and a forming die used for a non-slab composite material part. The method comprises the steps as follows: composite material part blank is arranged on a rigid die body which has the same shape with the processing shape and gluing and layer-paving are carried out according to the required dimension; after the layer-paving is finished, the composite material part blank is arranged on the rigid die body; furthermore, surfaces with plane are provided with elastic soft layers; corner pure rubber layers which are connected with elastic soft layer joint seams are arranged at corner profile so as to form a soft die surface; subsequently, vacuum bag auxiliary material is arranged on the soft die surface so as to prepare the vacuum bag curing forming composite material part. By the flexible soft die consisting of rubber-fabrics, the method arranges the composite material part blank on the surface of the soft die after the layer-paving is finished; the method for preparing the vacuum bag curing forming part solves the surface quality problems in the prior art that the non-die surface of the bag-pressing forming composite material part is crapy, accidented and has no gloss and the like, and improves the working efficiency.

The invention provides a sheet material hydro-mechanical deep drawing forming device and a sheet material hydro-mechanical deep drawing forming method using a magnetic medium to pressurize, belongs to the technical field of hydro-mechanical deep drawing, and solves the technical problems in a traditional sheet material hydraulic forming process that wrinkles are formed, the deformation uniformity is poor and the like, caused by the reason that overflowing pressure of a flange region is reduced, when a sealing ring is not used in order to realize overflowing and lubrication. A sealed hydraulic chamber formed by a concave die and a lower plunger piston is used for containing the magnetic medium; a convex die can penetrate through an edge pressing ring to drive a plate blank to move downwards to enter the sealed hydraulic chamber formed by the concave die and the lower plunger piston; a first coil is arranged on the periphery of the outer side of the flange region formed by the concave die and the edge pressing ring; a second coil is arranged on a pull rod of the lower plunger piston; and a magnetic control unit is used for controlling the sizes of magnetic fields generated by the first coil and the second coil. Firstly, a certain amount of the magnetic medium is poured into the hydraulic chamber and the edge pressing ring is moved downwards after the plate blank is placed; the viscosity and the pressure value of the magnetic mediums on a flange and in the hydraulic chamber are respectively adjusted and controlled through the magnetic fields; and a punching head is moved downwards until a plate piece is formed. The sheet material hydro-mechanical deep drawing device and the sheet material hydro-mechanical deep drawing method using the magnetic medium to pressurize are suitable for hydro-mechanical deep drawing formation of a sheet material.

The invention relates to a molding die for processing high-tension plate parts, which comprises an upper die seat (11), a material press core (13), an upper die fixing plate (14), a lower die seat (15), a convex die (17), a material press plate (18) and an upper die knife block (19), wherein the upper die fixing plate (14) is arranged between the upper die seat (11) and the upper die knife block (19), at least one nitrogen spring (12) is arranged between the material press core (3) and the upper die seat (11), at least two nitrogen springs (16) are arranged between the material press plate (18) and the lower die seat (15), a locking unit (21) is manufactured on the material press plate (18) and the upper die knife block (19), a material plate (20) locked between the material press core (13) and the locking unit (21) in molding can be fully stretched for plastic deformation, and the large springback amount after molding is overcome.

The invention discloses bedding fabric with antibacterial and cool functions and a post-finishing process thereof. The bedding fabric is formed by weaving blended yarn with antibacterial and cool functions. The blended yarn with antibacterial and cool functions is formed by blending linen fiber, chitin fiber staple and polyester filament yarn according to sirofil spinning technology. In the blended yarn with antibacterial and cool functions, the linen fiber and the chitin fiber staple are both wrapped on the surface of the polyester filament yarn. The post-finishing process includes the following steps: desizing and scouring-singeing-bleaching repeatedly through chlorine oxygen-cellulase washing-dying-washing and gentle stretching-preshrinking-finished products. The fabric finished products has cool touch, excellent antibacterial performance and good crease resistance. Compared with pure linen fabric, the fabric is soft. Simultaneously compared with chitin fabric, the fabric has a certain body and is appropriate for bedding fabric in spring and summer.

The invention discloses a preparation device for 4.5 microns ultrathin electrolytic copper foils and a preparation process thereof to achieve the purpose through the following technical scheme. The preparation device comprises an anode tank, a cathode roller, a conductive device, a online grinding mechanism, a water washing mechanism, a stripping and trimming mechanism, an oxidation preventing mechanism, a drying fan cooling mechanism, and a winding mechanism. The preparation process enables each performance of products to meet related index requirements mainly through control of the electrolyte flow, the electrolyte temperature, the electrolyte major constituents, the electrolyte micro-components, the direct current amount and the additive process. The invention effectively solves the edge tearing problem of the cathode roller and the corrugation problem of copper foils in the production process, and meanwhile, improves the tensile strength and ductility of products and meets the demands of high-end customers to key physical indexes of the copper foils through the research and development breakthrough on the key technologies such as an electrolyte preparation technology and a rawfoil manufacturing process.

The invention provides an auxiliary unloading device for a circular wound needle. The auxiliary unloading device comprises a lower locating structure, a needle pulling stop block, an opening mechanism, an upper prepressing plate pressing against the upper position on the outer side of a circular cable core and a prepressing driving mechanism for enabling the upper prepressing plate and the lower locating structure to do relative opening and closing motions, wherein when the circular cable core on a circular wound needle mechanism is placed on the lower locating structure and locked by the needle pulling stop block, and the opening mechanism is arranged on the inner side of the circular cable core in an extending manner and located on the inner side or the upper prepressing plate presses against the upper position on the outer side of the circular cable core, the circular wound needle mechanism backwards moves along the axial direction of the circular cable core and is separated from the circular cable core; the separated circular cable is prepressed into an elliptical cable core under the cooperation of the opening mechanism, the lower locating mechanism, the upper prepressing plate and the prepressing driving mechanism, so that the problem of unloading of a circular wound needle after winding and the problems of wrinkling and edge collapse of a membrane on the inner ring of an elliptical rolled needle are solved, and a compact structure is realized. Meanwhile, the invention further discloses cable core winding equipment and a cable core forming method.

The invention discloses a bend forming method of a large-angle pipeline with high precision, a large pipe diameter and a small bending diameter ratio, and belongs to the technical field of machining. Metal or alloy materials with the low melting temperature are machined to be a core rod, the core rod is assembled into an inner hole of the large pipeline to be bent, the large pipeline and the core rod are simultaneously bent through bend forming, pipe blank which is subjected to bend forming is heated to be at the temperature higher than the melting temperature of the alloy core rod, at a certain temperature below the AC1 temperature of a bent pipe material (or the heating temperature at which the performance of the pipe blank material can not drop obviously), a core rod material in the bent pipe is molten and flows out, and the large bent pipe with the bent section ovality being small, the inner hole surface being smooth and the inner arc being capable of not wrinkling is acquired. The bent pipe low-melting-point core rod technology is suitable for the bend forming of the large-angle pipeline which is high in forming precision requirement, thick in wall, large in pipe diameter and small in bending diameter ratio.

The invention relates to a semi-hand-sewing method for a shirt. The method includes the first step of cutting out a front shirt piece, a back shirt piece, yokes, sleeve pieces, cuffs and a collar of the shirt, the second step of sewing side seams of the front shirt piece and the back shirt piece, sewing the yokes and back shoulder portions of a shirt body and sewing the sleeve seams and side seams of the sleeve pieces, and carrying out processing on the sleeve pieces and the cuffs in a machine processing mode, the third step of carrying out sewing processing on the yokes of the shirt with the shift body in a hand sewing mode, the fourth step of carrying out sewing processing on shirt sleeves with the processed shirt body in a hand sewing mode, the fifth step of sewing pentagonal attached cloth on joints between the front shirt piece and the back shirt piece of the shift body, and the sixth step of sewing shirt buttons on the front fly portion of the shirt body in a hand sewing mode. According to the method, hand processing and machine processing are combined, the production efficiency of the shirts is guaranteed, and the processing quality is improved.

The invention relates to improved viscose fiber containing pearl particles and a manufacturing method thereof. The fiber is reinforced, high-wet-modulus or rich and strong viscose fiber, the total amount of the fiber comprises 0.1 to 15.0 weight percents of the pearl particles, 0.2 to 6.0 weight percent of denaturant, and 79.0 to 99.7 weight percents of cellulose, the dry rupture strength of the fiber is more than or equal to 2.2 cN/dtex, and the wet rupture strength of the fiber is more than or equal to 1.2 cN/dtex. The mixture of one or more components selected from the copolymer of fatty amines, polyamines compounds, alcohol amine, polyoxyethylene and the aliphatic amine thereof, fatty acid, fatty alcohol, amide condensation compounds, ethylene oxide and propylene oxide, quaternary ammonium, pyrrolidine dithiocarbamate, dithioglycol, imidazole and derivatives thereof, is adopted as the denaturant. The manufacturing method for the fiber comprises the steps of: (1) the preparation of a viscose stock solution; (2) the preparation of slurry of the pearl particles; (3) the injection mixing of the slurry of the pearl particles and the viscose stock solution through a pre-spinning injection system; (4) spinning; and (5) post-treatment.

The invention relates to a compound glue electroplating making air bridge method. Its features are that it including the following steps that the compound glue is plated on the base piece, and photo etching pier; high temperature roasting to make the rim angle of the compound glue smooth; start coating is spattered on the compound glue; the start coating is coated second photoresist, and photo etching floor; after this, the start coating is plated metal; peeling off the start coating under the photo etching to make it reveal the tow side base piece to form air bridge.

The invention discloses a liquid crystal display module. The liquid crystal display module comprises a liquid crystal display screen and a backlight module. The backlight module comprises a first surface and a second surface opposite to the first surface, and the liquid crystal display screen is attached to the first surface of the backlight module. The liquid crystal display screen comprises a lower polarizer, a CF screen, a TFT screen and an upper polarizer, wherein the lower polarizer, the CF screen, the TFT screen and the upper polarizer are sequentially laminated. The backlight module comprises an iron frame, a rubber frame, a reflecting film, a light guide plate, an optical film material and lightproof rubber, wherein the reflecting film, the light guide plate, the optical film material and the lightproof rubber are sequentially laminated, and the liquid crystal display screen, the reflecting film, the light guide plate, the optical film material and the lightproof rubber are arranged inside the rubber frame; the iron frame is arranged outside the rubber frame, the rubber frame is provided with metal powder, and a magnetic thin film is arranged on the second surface of the backlight module. The invention further provides a liquid crystal display device with the liquid crystal display module. By means of the liquid crystal display module, deformation of the rubber frame in the temperature test can be avoided, the liquid crystal display module is easy to assemble, the corrugated problem of the film material can be solved, and the liquid crystal display module is further easy to repair.

The new non-crease costume making process includes the following steps: 1. adding double-sided glue strip into the folded part of costume, and 2. ironing the folded part. Before the step 1, one ironing step may be added to form crease in the folded part, so that the double-sided glue strip may be inserted along the crease. The making process includes also sewing step with 220# Dacron coated string. Adding double-sided glue strip and ironing can adhere two layers of material together like one layer. The said process increases the hardness of the adhered parts to avoid crease, and using 220# Dacron coated string can reduce the shrinkage rate difference for further preventing crease.

The invention discloses a thermal compounding manufacturing process of a battery cell. The thermal compounding manufacturing process comprises the following process steps that: a pole piece is manufactured, namely, single pole pieces are formed after a pole piece belt with a belt-shaped structure is subjected to pole lug forming and pole piece cutting; pole piece bags are manufactured, namely, a single-sheet-shaped first pole piece or a single-sheet-shaped second pole piece is bonded to the front side wall and the back side wall through diaphragms on the two sides in a thermal compounding mode respectively, diaphragms on the front side and the back side extend to the outer side of the first pole piece or the outer side of the second pole piece and then are bonded to form a continuous pole piece bag, and the continuous pole piece bag is cut into single pole piece bags; and a battery cell is formed, namely, the single pole pieces and the single pole piece bags are mutually staggered and overlapped to form a battery cell. According to the invention, the problem of wrinkling of the diaphragms is solved, the position precision between the positive and negative pole pieces is ensured, the single diaphragm alignment process of the traditional lamination is simplified by adopting diaphragms larger than the pole pieces, the lamination efficiency is effectively improved, combustion caused by short circuit is reduced, and the safety coefficient of the battery is improved.

The invention relates to a stamping and drawing die which comprises an upper die and a lower die matched with the upper die. A material pressing plate is arranged on an upper bottom plate of the upper die and located in the concentrated flowing position of stamping part panels of the upper bottom plate. The material pressing plate is provided with an ejector rod arranged vertically. The top end of the ejector rod is fixed to the material pressing plate. The bottom end of the ejector rod is suspended and is close to the edge of the lower die. A blank holder is arranged on the edge of the lower die. A swing wedge mechanism used for abutting against the ejector rod is arranged on the lower die and is close to the blank holder. In the process that the upper die and the lower die are assembled, the swing wedge mechanism abuts against the ejector rod. According to the stamping and drawing die, while the effect that stamping parts are not damaged due to pressing during normal production of the die is guaranteed, due to the fact that the upper material pressing plate is arranged in the over-concentrated flowing position of the stamping part panels, the stamping parts are formed in the compressed state, the flowing uniformity of materials is guaranteed, and the problem that the stamping parts are wrinkled is well solved.

The invention belongs to the field of material composition, and particularly relates to a flat belt type compounding process. According to the process, firstly, high-temperature heating is performed through a strip-shaped heating plate; the temperature is uniformly conducted onto a Teflon flat belt; further, the composite materials on the Teflon flat belt and glue attached onto the composite materials are preheated and prepressed; then, the composite materials are pressed again through a pair of press rollers; then, the composite materials are cooled and shaped by the strip-shaped cooling plate; finally, materials are conveyed out through the Teflon flat belt; the total compounding of the materials is completed. The invention also provides equipment used for realizing the process. According to different composite materials, through controlling the temperature, the speed and the pressure, the materials are perfectly attached and have high intensity; the upper and lower Teflon flat belts achieve uniform gaps and precise gap regulation; the flatness and no drape of the surface composite materials are ensured.

The invention belongs to solar cell silver paste, and particularly relates to an organic carrier used for the solar cell silver paste and a preparation method for the organic carrier. The silver paste comprises the organic carrier used for the solar cell silver paste, and the organic carrier comprises the following materials in parts by weight: 70-90 parts of organic solvent, 5-15 parts of glass powder, 0.5-3 parts of hydrogenated castor oil, 5-15 parts of thickening agent, 0.1-0.8 parts of cationic surface active agent, and 3-6 parts of coupling agent. The preparation method for the organic carrier is simple, and the prepared organic carrier is efficient and high in consistency; by virtue of optimization of the organic carrier used for the solar cell silver paste, quite high linear moulding capability is achieved, the silk-screen quality of the silver paste on a silicon wafer is improved, the depth-width ratio of an electrode to a grid line after sintering can be improved and the occupied light-receiving area is reduced, thereby improving the efficiency of the solar cell.

The invention discloses an on-line type pole piece bag-making and laminating process and a bag-making and laminating production line thereof. The process comprises the following process steps of: S1, surface thermal compounding: bonding two diaphragms with belt-shaped structures onto the surfaces of single pole pieces continuously conveyed forwards in a thermal compounding manner from the two sides of the pole pieces; S2, edge thermal compounding to form a bag: extending the diaphragms in the step S1 to the outer edges of the single pole pieces, mutually bonding the diaphragms on the two sides of the outer edges of the pole pieces, and wrapping the single pole pieces into a continuous pole piece bag; S3, bag making: cutting the continuous pole piece bag in the step S2 into single pole piece bags; and S4, piece bag laminating and manufacturing: aligning the single pole piece bags in the step S3 and single pole pieces with opposite properties through a CCD (Charge Coupled Device), and laminating in a staggered manner to obtain a battery cell. According to the invention, the problem of wrinkling of the diaphragms is solved, the position precision between the positive and negative pole pieces is ensured, the single diaphragm alignment process of the traditional lamination is simplified by adopting the diaphragms larger than the pole pieces, the lamination efficiency is effectively improved, combustion caused by short circuit is reduced, and the safety coefficient of a battery is improved.

The invention relates to a non-water pigment ink, comprising pigment, pigment dispersant and non-water dissolvant. the non-water dissolvant contains esters above dyadic ester of polyatomic alcohol and branched fatty carboxyl acid, or esters above dyadic ester of branched fatty alcohol and multi-fatty carboxyl acid.

The invention provides a BOPP film capable of resisting crease and resisting cigarette packet deformation as well as a preparation method thereof. The BOPP film is prepared by directly coextruding andlaminating a three-layer structure of an upper surface layer, a core layer and a lower surface layer; the upper surface layer comprises the following components: a copolymer polypropylene, a slippingagent master batch and an anti-sticking agent master batch; the core layer comprises the following components: a homopolymer polypropylene, a stiffening agent master batch and an electrostatic agentmaster batch; and the lower surface layer comprises the following components: a copolymer polypropylene, a slipping agent master batch and an anti-sticking agent master batch. According to the productand the process, the technical problems of crease and cigarette packet deformation in soft packet cigarette film packaging.

The invention belongs to the technical field of hollow glass, and discloses suspended film hollow glass, a manufacturing method, a continuous production device and application. Spacer frames are bonded to corresponding peripheral positions of front glass and rear glass, the edge of the upper end of a suspended film is fixed between every two adjacent spacer frames in a bonding or welding or clamping manner, the lower end of each suspended film is fixedly connected with a bottom rod with the length matched with the width of the suspended film, and the bottom rods are fixed to the lower ends ofthe spacer frames. Cavities are formed between the suspended films and the front and rear glass and between the suspended films respectively. Spaces formed by the front glass, the rear glass and the outer sides of the spacer frames are fully covered with a structural adhesive, and the double-cavity or multi-cavity suspended film hollow glass is formed after solidification of the structural adhesive. The suspended film hollow glass can be conveniently manufactured by a simple process at a low cost and high productivity and has good heat insulation and sound insulation effects, the packaging width of the glass edge is equivalent to that of existing hollow glass, and the inherent breathing phenomenon of the hollow glass can be effectively relieved.