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55results about How to "Improve release quality" patented technology

Concrete releasing agent for aluminum alloy template of building

The invention provides a concrete releasing agent for an aluminum alloy template of a building. The releasing agent comprises the following components in parts by weight: 8-15 parts of grease, 1-3 parts of fatty acid monoglyceride or fatty acid diglyceride, 2-5 parts of fatty acid, 1-3 parts of resin, 0.05-0.5 parts of basic metal compound, 3-5 parts of inorganic filler and 1-5 parts of solvent. The releasing agent coats the aluminum alloy template of the building and is used in the concrete pouring technology, the concrete releasing quality is good without obvious blister, and the releasing agent residue surface matter is easily removed and the releasing agent is suitable for use for single or multiple times, and the service life of the template is prolonged.
Owner:SHANGHAI JIAO TONG UNIV

Demolding method in nanoimprint technology process

The invention discloses a demolding method in a nanoimprint technology process. The demolding method comprises the following steps: firstly, coating a substrate with a nanoimprint adhesive material to form an imprint adhesive layer; secondly, pressing a template into the imprint adhesive layer; thirdly, transmitting an ultrasonic wave to the template by an ultrasonic transmitting device at the upper part of the template after the imprint adhesive layer is cured and fixed, so as to assist separation of the template and the imprint adhesive layer; and finally removing the template and finishing the demolding process. Compared with the prior art, the problems that the molded nanoimprint structure is serious in deformation, overlarge in tear force and demolding force and the like due to cohesion force of the template and the adhesive layer in the demolding process of a nanoimprint technology are solved; imprinted pattern transferring and photoetching are completely consistent; the demolding force is effectively reduced; the demolding success rate is greatly improved; and large-scale industrial production is realized.
Owner:SHANDONG UNIV OF SCI & TECH

Ultraviolet-cured aluminum formwork release agent with high number of turnover times and preparation method of ultraviolet-cured aluminum formwork release agent

The invention provides an ultraviolet-cured aluminum formwork release agent with the high number of turnover times and further provides a preparation method of the release agent. The ultraviolet-curedaluminum formwork release agent is prepared from the following components in parts by weight: 6-10 parts of modified acrylic acid epoxy resin, 1-3 parts of a UV monomer diluent, 0.1-0.6 part of an adhesion promoter, 0.1-0.6 part of a leveling agent, 0.1-0.4 part of a surface slip agent and 0.3-0.9 part of an ultraviolet initiator, wherein the modified acrylic acid epoxy resin is prepared from oneor more of acrylic acid, hydroxyethyl acrylate, isophthalic acid, phthalic anhydride, trimellitic anhydride, glycol diglycidyl ether and epichlorohydrin in a modified mode. An aluminum formwork is coated with the release agent, the release agent is subjected to ultraviolet irradiation at the room temperature and thus cured into a film, the release agent is used for a concrete pouring process, therelease quality of concrete is good, the surface is smooth and free of pollution, the surface of the formwork is free of concrete residue, after being brushed with the release agent once, the formwork can be used in a turnover mode by 100 times, and thus the service life of the formwork is prolonged.
Owner:HUNAN HUITIAN HIGH MOLECULAR TECH CO LTD

Demolding device for injection molding production of daily necessities and using method thereof

InactiveCN112388921AAchieving side releaseSimple demoulding structurePilot holeEngineering
The invention discloses a demolding device for injection molding production of daily necessities and a using method thereof, and relates to the technical field of injection molding production. The demolding device for injection molding production of the daily necessities and the using method thereof aim to solve the problems that an existing demolding device is complex in structure and inconvenient to demold, and damage is caused due to the fact that the situation of uneven stress is prone to occurring during demolding. A lower mold base is installed at the upper end of a bottom plate; an upper mold base is arranged below a top plate; an injection molding cavity is formed between the lower mold base and the upper mold base; a daily necessity injection molding part is arranged inside the injection molding cavity; inclined bolts are arranged on the two sides of the lower end of the upper mold base; side demolding mechanisms are arranged on the two sides of the upper end of the lower moldbase; inclined guide holes are formed in the two sides of the upper end of each side demolding mechanism; grooves are formed in the inner sides of the side demolding mechanisms; first springs are installed inside the grooves; one end of each first spring is fixedly connected with the corresponding groove, and the other end of each first spring is fixedly connected with the lower mold base; and the lower mold base is slidably connected with the side demolding mechanisms.
Owner:苏州锦坤模塑有限公司

Multi-major-element high-entropy alloy and preparation method thereof

The invention discloses multi-major-element high-entropy alloy and a preparation method thereof and belongs to the technical field of alloy materials. Through the excellent comprehensive performance of the high-entropy alloy, the problem that existing metal is poor in strength, hardness, compactness, corrosion resistance and the like is mainly solved. Elements such as V, Zr, Hf, Ti, Cr, Zr and Mn are configured according to the equal molar ratio or the approximate equal molar ratio, and VZrHfTiCrZrMn alloy is obtained through vacuum sintering. The alloy has the characteristics of being high in strength and hardness and excellent in comprehensive performance, and the alloy can be used for special alloy, die manufacturing, special tools and the like. According to the multi-major-element high-entropy alloy and the preparation method thereof, the thought is clear, operation is easy, the practicability is high, and the obtained alloy product has certain market prospects.
Owner:WUHU SANDAO MATERIAL TECH CO LTD

Gripper

The invention provides a gripping device for clamping and taking out multicavity injected shaped parts. The shaped part comprises a material rod and a connecting rod formed by extended ends of a plurality of material rods. The gripping device comprises a fixed framework, a plurality of gripping jaws, a sleeve and a linear drive unit. Each gripping jaw comprises a gripping jaw body and an elastic element which fixes the gripping jaw body on the fixed framework. The plurality of gripping jaw bodies are distributed in a bunchy shape. A gap for accommodating a corresponding connecting rod is located between every two adjacent gripping jaw bodies. The sleeve is sleeved around the gripping jaw bodies from the end where a plurality of elastic elements are located, and constrains the gripping jaw bodies. The linear drive unit is fixed on the fixed framework for driving the sleeve to move towards a direction far from the elastic elements and to reset. The gripping device provided in the invention clamps and takes out shaped parts through a plurality of connecting rods so as to realize demoulding, which enables deformation or fracture of the connecting rods to be avoided and quality of demoulding to be improved.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Shaft sleeve material and preparation method

The invention discloses a shaft sleeve material and a preparation method. A shaft sleeve is manufactured through the following process steps of raw material preparation, pretreatment, powder mixing, preliminary molding, high-temperature sinter molding, heat treatment and the like. The shaft sleeve material is prepared from, by mass, 1-2% of silicon dioxide, 0.5-1.2% of manganese dioxide, 0.5-1.6% of molybdenum disulfide, 0.5-2% of lanthanum oxide, 0.2-0.9% of nickel oxide, 0.5-1.2% of cobalt carbide, 1-2% of silicon carbide, 0.3-1% of graphite, 0.2-0.8% of wax micro-powder, 0.2-0.8% of chromium, 1.5-3% of tin, 2-10% of copper, 0.1-0.5% of phosphorus, 0.1-0.5% of zirconium and the balance iron and inevitable impurities. The produced shaft sleeve material has high wear resistance and hardness as well as high strength and impact resistance.
Owner:WUHU SANDAO MATERIAL TECH CO LTD

BGA ball planting device and method

The invention discloses a BGA (Ball Grid Array) ball planting device and method, which belong to the technical field of BGA ball planting. The device comprises a printer and a laminator. The printer is provided with a printing fixture which includes a supporting base. The supporting base is provided with a supporting carrier which is connected with the supporting base. The supporting carrier is provided with multiple grooves, and the cross sections of the grooves in the vertical direction are in an inverted convex shape. The laminator comprises a ball planting fixture I which includes a suction nozzle II. The cross section of the suction nozzle II in the vertical direction is convex. The suction nozzle II is of a hollow structure inside, and is provided with multiple small holes in the lower surface thereof. The small holes are communicated with the hollow structure, and are evenly distributed on the lower surface of the suction nozzle. The method comprises the following steps: (1) tinremoving; (2) cleaning; (3) printing; (4) ball planting; and (5) reflow soldering. BGA components can be quickly recovered and utilized, the scrap rate of parts is reduced, and the effect of cost reducing is achieved.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Forming mold for auxiliary instrument middle mounting support

The invention discloses a forming mold for an auxiliary instrument middle mounting support. The forming mold comprises a fixed mold seat plate, a fixed mold plate, an upper mold core, a movable mold seat plate, a movable mold plate, a lower mold core, a driving device, a forming column, a vertical male mold insert, a hook face male mold insert, a side wall male mold insert, a forming male mold insert and a forming female mold insert. The fixed mold plate is provided with a guiding column, and the movable mold plate is slidably provided with a sliding block. The guiding column is arranged in the sliding block in a penetrating mode, the tail end of the guiding column is inserted in the movable mold plate and slidably connected with the movable mold plate, and an orientation assembly is arranged between the sliding block and the movable mold plate. A first punching male mold, a second punching male mold, a third punching male mold and a fourth punching male mold are connected to the sliding block. The forming column, the vertical male mold insert, the hook face male mold insert, the side wall male mold insert, the forming male mold insert, the forming female mold insert, the upper mold core and the lower mold core form the cavity wall of a model cavity. The auxiliary instrument middle mounting support is formed through integrated injection molding, the workpiece surface evenness of the auxiliary instrument middle mounting support is improved, and thus the forming quality of the auxiliary instrument middle mounting support of the middle of an auxiliary instrument is improved.
Owner:宁波斯穆汽车模具有限公司

Gypsum block molding device and operation method thereof

The invention discloses a gypsum block molding device and an operation method thereof. The gypsum block molding device comprises a hydraulic device, a mold bottom plate, a bottomless mold, ejector rods and a rack; insertion slots and insertion holes are formed in the mold bottom plate; the hydraulic device is fixedly provided with the bottomless mold; a plurality of mold cores and partition platesare arranged in a cavity of the bottomless mold at intervals; when the hydraulic device drives the bottomless mold to make contact with and match with the mold bottom plate, the partition plates areinserted in the insertion slots of the mold bottom plate, the mold cores are inserted in the insertion holes of the mold bottom plate, and the cavity of the bottomless mold can be divided into a plurality of molding cavities with lower openings being closed through the partition plates; an ejector rod fixing frame is fixedly arranged on the rack, and the multiple ejector rods are fixedly arrangedon the ejector rod fixing frame and located over the molding cavities; and when the hydraulic device drives the bottomless mold to move upwards, gypsum blocks are jacked out of the bottomless mold through the ejector rods. The gypsum block molding device has the advantages of high production efficiency, good product quality, high stability and safety and convenient repairing and maintenance.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Stripping method and device for foam board continuous molding machine

The invention relates to the processing field of foam board molding machines, in particular to a stripping method and device for a foam board continuous molding machine. The stripping method for the foam board continuous molding machine is characterized in that the rotating speed of a driving roller is the same as that of the upper and the lower bodies of the foam board continuous molding machine; the driving roller drives a conveyor belt to rotate at a constant speed; the conveyor belt has the same speed with the track shoes of the upper and the lower bodies and is adhered with the track shoes; and a self-stripping layer, of which the interface material is a polytetrafluoro or polyethene coating, is adhered on the conveyor belt to realize an isolation and anti-bonding function and facilitate the solidification and the molding of the boards. The stripping method and device for the foam board continuous molding machine have the advantages that the processing is easy, manual film removing is replaced with the self-stripping of the machine, and the self-stripping layer can be reutilized, so that the processing cost is reduced and the stripping quality is improved.
Owner:胡玉

Intelligent spraying device for shield segment mold

The invention discloses an intelligent spraying device for a shield segment mold. The intelligent spraying device comprises a moving system, a wiping system, a drying system, a sprinkle coating system, a spraying system, a roll coating system and a feeding system, wherein the wiping system, the drying system, the sprinkle coating system, the spraying system, the roll coating system and the feedingsystem are located on one side of the moving system in sequence. According to the intelligent spraying device for the shield segment mold, water removal and real-time quality inspection are carried out on a mold release agent through the feeding system before the material mixing operation, it is ensured that the supplied mold release agent raw material has low water content, denaturation due to long-term mixing with water of the release agent does not occur, and the mold release agent raw material and water are fully stirred under the constant temperature condition, so that the prepared moldrelease agent is good in quality and guarantees the follow-up coating operation; multi-time coating operation is carried out on the inner wall of the mold by means of multiple coating modes, the positions such as faces, points, wee positions, bent positions and irregular positions can be uniformly coated with the mold release agent, and the influence of the surface condition of the mold on the film forming quality of the mold release agent is weakened to the maximum extent, so that the demolding process of the mold in the follow-up operation process can be smoothly completed.
Owner:济南轨道中铁管片制造有限公司

Method of synthesizing a fluorine-containing demoulding additive with agricultural processing side product cardanol

The invention discloses a method of synthesizing a fluorine-containing demoulding additive with agricultural processing side product, cardanol. The method uses a natural and reproducible agricultural processing side product, cardanol, to synthesize a fluorine-containing ester demoulding additive, so that the method has abundant raw material source and low cost. The demoulding additive is added to a demoulding agent and can satisfy market demands of high-end fluorine-containing demoulding additives. The demoulding additive can improve demoulding efficiency and product processing quality, satisfies high-end market demands, and has excellent economic and social benefits.
Owner:修建东

Preparation method of high-performance aluminum alloy blistering mold

The invention discloses a preparation method of a high-performance aluminum alloy blistering mold. The preparation method comprises the following steps: (a) selecting and preparing materials; (b) preparing an electrophoretic deposition solution; (c) performing deposition; (d) performing after treatment of the mold. The invention discloses the preparation method of the high-performance aluminum alloy blistering mold; the preparation method is reasonable in procedure arrangement, simple and convenient in preparation process and moderate in cost; a molybdenum disulfide coating prepared on a working surface of the mold has the advantages of stable film forming property, high presentation quality and the like, so that the blistering mold is excellent in self-lubrication property, and the demolding efficiency and the finished product quality of a blister product are effectively improved.
Owner:SUZHOU HUACHONG PRECISION MACHINERY

Mold device easy to demold

The invention relates to a shoe-making mold, and discloses a mold device easy to demold. The mold device has a simple structure and is quickly demolded, and yield and production efficiency of injection molding is effectively improved, and the mold device is suitable for mass production and use. a telescopic cavity is arranged on an upper die core positioned above an upper mold cavity of the mold device; a brake rod is arranged on a shoe tree and can move up and down and penetrate into the telescopic cavity; a brake plate is fixedly connected to the end of the brake rod in the telescopic cavity; a telescopic base is arranged on the upper mold base, a telescopic rod capable of moving up and down penetrates through the telescopic base, and one end of the telescopic rod penetrates into the telescopic cavity and is connected with the brake plate; a pressurizing device is also arranged on the upper mold base, and a pressurizing end of the pressurizing device communicates with the telescopiccavity; and an exhaust valve is also arranged on the telescopic cavity.
Owner:MAOTAI FUJIAN SOLES CO LTD

Injection mold cooling system facilitating demolding

The invention discloses an injection mold cooling system facilitating demolding. The injection mold cooling system comprises a female mold and a male mold, and cooling water runners are formed in theinner side of a mold core of the male mold and the outer side of a mold cavity of the female mold; cooling water enters from a water inlet main runner of a cooling water transfer part, and then the cooling water is divided into two paths to respectively flow towards the cooling water runners formed in the inner side of the mold core of the male mold and the outer side of the mold cavity of the female mold and finally enters a water drainage main runner of the cooling water transfer part; and the male mold and the female mold convey cooling water through guide pipes. According to the injectionmold cooling system, by rapidly cooling the mold cavity and the mold core, the time for cooling a plastic product is shortened, the demolding quality of the plastic product can be improved, and meanwhile, the production efficiency of the plastic product is improved.
Owner:何翠珊

Forming device capable of realizing automatic demolding and used for prefabricated part

InactiveCN112959489AAutomatic demoulding reachesImprove release qualityDischarging arrangementGear wheelCam
The invention relates to the technical field of concrete prefabricated parts, and discloses a forming device capable of realizing automatic demolding and used for a prefabricated part. The forming device comprises a shell, a support rod is glidingly connected to the inner bottom of the shell, a mold is fixedly connected to the top of the support rod, a supporting rod is movably connected to the outer side of the support rod, a sliding box is glidingly connected to the interior of a guide rail, a gear is fixedly connected to the interior of the sliding box, a cam is fixedly connected to the front surface of the gear, an ejector rod is glidingly connected to the interior of the sliding box, a rubber hammer is glidingly connected to the top of the sliding box, and the outer side of the rubber hammer is sleeved with a supporting spring. According to the forming device capable of realizing automatic demolding and used for the prefabricated part, the gear rotates to drive the sliding box to move under the action of a tooth groove, the sliding box drives the rubber hammer to move, meanwhile, the gear rotates to drive the cam to rotate, the cam drives the rubber hammer to slide, and then through cooperative use of the rubber hammer and the supporting spring, the effects of automatic demolding and high demolding quality are achieved.
Owner:祝锡明

Injection mold

The invention relates to the technical field of injection molds, and discloses an injection mold. The injection mold comprises a hydraulic device, a hydraulic rod movable mold and a fixed mold, wherein the hydraulic device is in transmission connection with the movable mold through a hydraulic rod, a mold cavity is formed between the movable mold and the fixed mold, a cooling water channel is formed in the mold cavity, a pouring opening is formed in the middle of the fixed mold, the pouring opening communicates with the mold cavity and communicates with an injection molding machine, the middleof the movable mold is in a groove shape, the groove communicates with the mold cavity, a sealing piece is driven to move downwards under the action of a hollow electromagnet, and therefore gradually-changed negative pressure is formed between the sealing piece and the movable mold firstly. The gradually-changed negative pressure acts on the injection molding piece, slow separation between the outer wall of the injection molding piece and the inner wall of the fixed mold can be guaranteed, bonding resistance between the injection molding piece and the fixed mold disappears, separation from the fixed mold is achieved while the movable mold moves downwards, in the demolding process, the surface of the injection molding piece is not bonded with the fixed mold during demolding, resistance isrelatively small, and the surface quality of the injection molding piece during demolding is improved.
Owner:苏州宇鑫精密模具有限公司

Wear-resistant lining material and preparation method

The invention discloses a wear-resistant lining material and a preparation method. The preparation method includes following process steps: mixing raw material powder with an auxiliary; forming by pressing; sintering; subsequently processing. The wear-resistant lining material is mainly composed of silica, manganese dioxide, molybdenum disulfide, cerium oxide, cobalt oxide, silicon carbide, ZNS-730, chromium, tin, copper, phosphorus, graphite powder, zirconium, nickel, iron and unavoidable impurities. By improving ingredient proportioning and optimizing powder metallurgy process parameters, rare earth elements and strengthening elements are utilized to generate solution strengthening and dispersion strengthening effect. Compared with existing products, the lining material produced by the method is high in wear resistance and strength, low in friction coefficient and widely used for various wheel shafts, connecting rods and air pumps in industrial production.
Owner:WUHU SANDAO MATERIAL TECH CO LTD

Industrial belt stripping machine adopting jack

The invention provides an industrial belt stripping machine adopting a jack, which can be suitable for stripping of belt coils with various diameter specifications better and improving the stripping efficiency and the stripping quality. The industrial belt stripping machine comprises a base, wherein a plurality of rails are arranged on the base along the center in an outward radial shape; the jackis arranged at the center of the base; a supporting plate is arranged on the top surface of the jack; movable rail seats, which face the center of the base, are arranged on the rails; a face, which faces the center of the base, of each movable rail seat is a compacted face; each compacted face is provided with a soft base plate; and the movable rail seats are driven through push rods.
Owner:茂名市腾龙工业皮带有限公司

Technology for die releasing of MDI artificial board through special paper

The invention provides a technology for die releasing of an MDI artificial board through special paper. The technology is characterized in that before a hot-pressing procedure is conducted, the special paper is laid between a hot-pressed board and an MDI artificial board blank, then the MDI artificial board blank is conveyed into a hot press, under the conditions that the hot-pressing temperatureis 150-220 DEG and the pressure is 2400-3800 kN / m<2>, after curing and releasing are conducted through the hot press, die releasing is conducted, and the special paper is hot-pressed and cured into arough board together with the MDI artificial board blank. The problem of die sticking of the MDI glue artificial board is solved.
Owner:上海世崛资产管理有限公司

Preparation method of fluorine-containing hydroxyphenyl organic acid alkenyl ester demoulding intermediate

The invention discloses a method for preparing a release intermediate of fluorine-containing hydroxyphenyl organic acid alkenyl ester, which is characterized in that: hydroxyphenyl organic acid and decarboxylated hexafluoropropylene oxide dimer undergo nucleophilic substitution reaction, The obtained sodium hydroxyphenyl organic acid substituted by hexafluoropropylene oxide dimer is acidified with acid solution to obtain the hydroxyphenyl organic acid substituted by decarboxylated hexafluoropropylene oxide dimer. And under the polymerization inhibitor, the hydroxyphenyl organic acid substituted by the decarboxylated hexafluoropropylene oxide dimer is finally esterified with propenyl alcohol to obtain the fluorine-containing hydroxyphenyl organic acid alkenyl ester release intermediate; the Fluorine-based release intermediates can be further reacted with acrylic compounds to synthesize high-efficiency fluorine-containing release agents, which can improve release efficiency and product processing quality, meet the high-end needs of the market, and have good economic and social benefits.
Owner:修建东

A kind of aluminum template release agent of high turnover times ultraviolet light curing and preparation method thereof

The invention provides a high-turnover UV-cured aluminum template release agent, which comprises the following components calculated in parts by weight: 6-10 parts of modified acrylic epoxy resin, 1-3 parts of UV monomer diluent, and 0.1-0.6 parts of force accelerator, 0.1-0.6 parts of leveling agent, 0.1-0.4 parts of surface slippery agent, 0.3-0.9 parts of ultraviolet photoinitiator; modified acrylic epoxy resin is made of acrylic acid, hydroxyethyl acrylate, methane It is prepared by modifying epoxy resin with one or more of phthalic acid, phthalic anhydride, trimellitic anhydride, ethylene glycol diglycidyl ether, and epichlorohydrin. The present invention also provides a preparation method of the above-mentioned release agent. The release agent of the present invention is coated on the aluminum alloy formwork, and is irradiated with ultraviolet light at room temperature to make it solidify into a film. It is used in the concrete pouring process. The demoulding quality of the concrete is good, the surface is smooth and pollution-free, and there is no concrete on the surface of the formwork. Residue, the template can be used up to 100 times after one application of the release agent, prolonging the service life of the template.
Owner:HUNAN HUITIAN HIGH MOLECULAR TECH CO LTD
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