48results about How to "Good release effect" patented technology

The application discloses a kind of plasma jet array devices for large size epoxy surface modification, including frame, tank, gas cylinder for loading inert gas, aperture network, high voltage power supply and metal insert;Tank and metal insert are fixed on frame, tank is flat tank and its slot is formed with jet airway for placing and fixing epoxy insulation, the bottom and side of tank are provided with jet spout arranged in array, jet spout is connected by gas inlet pipe, gas inlet pipe is arranged in the inside of side plate and bottom plate of tank;Aperture network is connected on jet spout and connects high voltage power supply, tank is grounded by wire;Metal insert is inserted above epoxy insulation, metal insert is grounded by wire.The application also discloses the use method applied to the above device.Adopting the application, the surface of large size epoxy insulation can be quickly and uniformly modified, and the charge release capacity is improved.

The present disclosure aims to provide a coating composition capable of forming a coating film excellent in adhesion to a polycarbonate resin substrate, mold releasability, and smoothness, and low in VOC content. A coating composition comprising (A) a hydroxyl group-containing compound, (B) a polyisocyanate compound, and (C) a curing catalyst, and having a solid content concentration of 90% by mass or more, the hydroxyl group-containing compound (A) comprising a hydroxyl group-containing compound (A1) having a urea ester ring structure. A coating composition in which the content of the hydroxyl group-containing compound (A1) having a urea ester ring structure is in the range of 5 to 50% by mass, based on the total solid content amount of the hydroxyl group-containing compound (A).

This application relates to the field of hydrosilylation, and in particular to a highly efficient catalyst for hydrosilylation reactions and its preparation method. This application provides a method for preparing a microcapsule-form catalyst, which first modifies methyl-terminated hydroxyl silicone oil with silazane, and then forms a microcapsule coating system with paraffin, thereby improving the release performance of the microcapsule coating system, so that the catalyst has low reactivity in the early stage of release, thereby improving the uniformity of the reaction process inside the silicone rubber, and thus improving the transparency and overall strength of the silicone rubber.

This invention provides a high-hygroscopic, water-free composite gel-type calcium and magnesium salt tablet and its preparation method, which is made from the following raw materials in parts by weight: 45-70 parts calcium and magnesium salt, 15-25 parts gum arabic, 3-15 parts mica powder, 2-12 parts polyethylene oxide, 0.5-2 parts sodium nitrite, and 2-30 parts gelatin. This tablet exhibits high hygroscopicity and excellent physical properties.

The application provides a plastic container injection molding equipment and belongs to the technical field of injection molding equipment. The injection molding equipment comprises a main body and a fixed mold assembly. The fixed mold assembly is fixedly connected to the top of the main body. The top of the main body is fixedly connected with a fixed plate. The injection molding equipment further comprises a demolding mechanism. The injection molding equipment can apply a short-distance pushing force to the plastic container on the movable mold assembly multiple times during the process that the movable mold assembly separates from the fixed mold assembly and moves to the fixed top plate. The surface adsorption force between the plastic container and the mold block on the movable mold assembly is gradually reduced. After the demolding pushing column and the inner wall of the piston pushing cylinder abut, the piston pushing cylinder and the dispersion gas box are directly pushed out of the embedded hole, so that the length of the piston pushing cylinder protruding on the protruding mold block of the movable mold assembly is not too long. The phenomenon that the just-formed plastic container is directly pushed to separate from the mold block on the movable mold assembly and thus the just-formed plastic container is poked or broken is avoided. The production qualification rate and the production efficiency of the product are improved.

The utility model discloses a portable wheat single plant bagging pollination auxiliary device, including the pollination cover of ground insertion, pollination cover inside inserts the wheat of pollination, pollination cover one side is provided with the recess, recess inside fixedly has the mark card, pollination cover top side fixedly connected with the fixing frame, and the vibration block is vibratedly connected to the inboard of fixing frame, and pollination cover top and bottom all are provided with the opening, and the upper sealing piece is fixedly connected to pollination cover top opening inner wall, two groups are provided with the upper sealing piece, and the upper sealing piece is the sector structure, the opening inside inserts the collection powder hopper, the collection powder hopper is funnel shape structure, and the collection powder hopper bottom opening corresponds with the position of the wheat column head of pollination, and the upper sealing piece one end bending is pasted in the collection powder hopper outer wall, and the collection powder hopper top is provided with the bundle mouth, and the lower sealing piece is provided to pollination cover bottom opening inner wall. The device can improve the effect of pollen release, thereby guaranteeing the pollination effect, and reducing the frequency of pollination.

A polyester resin composition is disclosed, comprising polybutylene terephthalate resin (A) and polyethylene terephthalate resin (B), wherein the amount of terminal hydroxyl groups of the aforementioned polybutylene terephthalate resin (A) is 30-70 mmol / kg relative to the total amount of the aforementioned polybutylene terephthalate resin (A) and the aforementioned polyethylene terephthalate resin (B).

The application relates to the technical field of high polymer materials, and discloses a nylon material and a preparation method and application thereof. The nylon material comprises the following preparation raw materials in percentage by mass: 70-85% of nylon resin, 8-15% of nitrogen-based flame retardant, 2-8% of phosphorus-based flame retardant and 1-8% of synergistic flame retardant. The nylon material provided by the application adds the phosphorus-based flame retardant and the synergistic flame retardant in a traditional nitrogen-based flame retardant system, so that the ignition temperature of the material is increased, the dropping speed and the dropping ignition probability are reduced, and the flame retardant performance of the material is improved. The ignition temperature of the material can reach 745 DEG C, the DSC crystallization temperature can reach 187 DEG C, the demolding effect is good, the dropping speed is slow, the dropping ignition probability is low, the performance requirements of a battery assembly product on the material can be met, and the nylon material can be used in the preparation of electronic connectors, battery compartments, low-voltage switches, housings or terminal blocks of power distribution systems of electronic and electrical equipment.

The utility model provides an ultra-high molecular weight polyethylene powder additive adding device which comprises an exhaust fan, an additive feeding hopper, an additive storage bin, a weightlessness scale and a powder rotary valve, a powder additive is added through a feeding port in the upper portion of the additive feeding hopper, and an exhaust port is formed in the top of the additive feeding hopper. An exhaust fan is arranged on the side of the additive feeding hopper, the exhaust fan is started during feeding so as to prevent the powder additive from flying out, and extracted gas is exhausted through the exhaust fan; the powder additive flows into the additive storage bin through a pipeline at the bottom of the additive feeding hopper by virtue of gravity; a powder additive enters a powder weightlessness scale through a pipeline at the bottom of the additive storage bin, the adding amount of the powder additive is measured through the powder weightlessness scale, and the powder additive is conveyed to a rotary valve through a discharging screw. The powder additive is added into an ultra-high molecular weight polyethylene powder air conveying system pipeline from the bottom of the rotary valve, and it is guaranteed that the powder additive and the ultra-high molecular weight polyethylene powder are fully mixed.

The invention relates to the field of hydrosilylation, in particular to a high-efficiency catalyst for hydrosilylation and a preparation method thereof, and provides a preparation method of a microcapsule type catalyst, methyl-terminated hydroxyl silicone oil is modified by silazane, and then a microcapsule coating system is formed by the modified methyl-terminated hydroxyl silicone oil and paraffin. The release performance of a microcapsule coating system is improved, so that the catalyst has relatively low reaction activity at the initial release stage, the uniformity of the reaction process in the silicone rubber is improved, and the transparency and the overall strength of the silicone rubber are further improved.

The utility model relates to the technical field of glass fiber reinforced plastic storage tank production, and discloses a glass fiber reinforced plastic storage tank winding forming device which comprises a supporting base, inner supporting frames which are symmetrical in pairs are rotationally installed above the supporting base, and a transverse sliding screw rod and a longitudinal sliding screw rod are arranged at the end, close to the inner supporting frames, of the upper end of the supporting base. According to the glass fiber reinforced plastic storage tank winding device, the rotary gear and the special-shaped tooth block are arranged, and the diameter of the core mold can be changed by adjusting the inner supporting block so that glass fiber reinforced plastic storage tanks with different diameters can be wound; the problem that the applicability of the device is poor due to the fact that winding requirements cannot be met when glass fiber reinforced plastic storage tank core molds with different diameters are installed is avoided, the application range of the device is further widened, and meanwhile through the arrangement of the inner supporting blocks and the two-way motor, the core molds can be conveniently taken out without inner supports, and rapid demolding is achieved.

The utility model relates to a floor sweeping robot injection mould processing technical field especially, a kind of floor sweeping robot processing injection mould, including lower fixed plate and upper fixed plate, the upper end of lower fixed plate is equipped with two die feet, the upper end of die foot is provided with lower mould, the lower end of upper fixed plate is connected with upper mould, the end corresponding to the upper mould and lower mould is embedded, the middle part of lower mould is provided with die groove, the lower end of lower mould is equidistantly provided with bottom groove, the inner chamber top of bottom groove is provided with top groove, the inner chamber of bottom groove is provided with stripping mechanism, the top of stripping mechanism is penetrated top groove and is inserted with die groove, compared with prior art, the structure design of the utility model is reasonable, and effectively improve the effect of stripping, avoid the traditional needle ejecting product to cause because needle and product's contact area is small and lead to damage to product when ejecting.

The application belongs to the technical field of iodine-containing wastewater treatment, and specifically provides a method for treating iodine-containing wastewater, which comprises the following steps: mixing a metal-doped bismuth tungstate material for treating iodine-containing wastewater with a binder and a conductive agent to prepare a slurry, coating the slurry on a conductive substrate, and drying to obtain a membrane electrode, and using the obtained membrane electrode to treat iodine-containing wastewater; and a preparation method of the metal-doped bismuth tungstate material for treating iodine-containing wastewater, which comprises the following steps: 1) dissolving bismuth salt and iron salt in a solvent to prepare a mixed solution; 2) adding a tungstate solution to the mixed solution to form a suspension, and then performing a hydrothermal reaction, collecting the precipitate after cooling, and washing and drying to obtain the product. The metal-doped bismuth tungstate material prepared by the application has the advantages of high specific surface area and good photo-assisted electric adsorption performance.

The application discloses a medicine composition for promoting wound healing and a preparation method and application thereof. The medicine composition comprises the following components in parts by weight: 1-10 parts of hemoglobin molecules, 1-5 parts of lipoic acid, 0.1-1 part of acetylcysteine, and 40-80 parts of a solvent; the hemoglobin molecules comprise at least one cysteine part and at least one histidine part, wherein the cysteine part comprises an acetyl group or an ethyl maleoyl group, and the histidine part comprises a benzimidazole derivative group. The application applies lipoic acid and acetylcysteine to the external medicine composition of the hemoglobin molecules modified by acetyl groups or ethyl maleoyl groups in combination, effectively relieves the irritant reaction caused by the hemoglobin modification to the skin through the synergistic antioxidant and tissue protection effects, and thus improves the safety and applicability of the medicine composition in skin wound treatment, and the medicine composition is suitable for treating multiple types of wounds such as external injuries, burns, postoperative wounds and ulcer wounds.

This invention provides a liquid silicone injection mold structure for a charging port of a new energy vehicle, belonging to the field of silicone injection mold technology. It includes a rear mold base, a front mold connected to the output end of an injection molding machine, and a connecting seat detachably fixed to the outer wall of the rear mold base. A rear mold mechanism is provided on the side of the connecting seat away from the rear mold base. The rear mold mechanism includes the rear mold and multiple mold cavities opened on the side of the rear mold base away from the connecting seat. A top frame mechanism is provided inside the mold cavity for ejecting the molded silicone sealing ring from the cavity. Through the above method, this invention can effectively separate the silicone sealing ring from the mold, effectively demolding the tightly adsorbed part inside the mold cavity, significantly reducing the probability of manual peeling. This not only reduces process time but also further reduces the potential damage to the precision molding texture on the surface of the mold cavity due to manual operation, reducing silicone residue and improving the injection molding quality of the silicone sealing ring.

The application discloses a kind of photo-curing 3D printing release devices and methods, first by import to the first chamber into lubricant, and make the lubricant can flow after flowing through the first chamber from outlet, simultaneously make the lubricant in the first chamber can be penetrated into the permeation membrane and form a layer of isolation layer on the upper surface of permeation membrane, after forming isolation layer, then inject photo-curing 3D printing forming material into the second chamber, then make external light source can be sequentially penetrated by from bottom to top through light-transmitting bottom wall, lubricant in the first chamber and permeation membrane, to make photo-curing 3D printing forming material in the second chamber photo-curing forming, and then make the forming product and permeation membrane have good release effect, simultaneously also make the application need not to be separately set release film when using, avoid the product forming quality to be affected due to the technical defects of poor release effect.

The utility model discloses a packaging device for a plastic mould of a semiconductor IGBT (Insulated Gate Bipolar Translator) tube, which relates to the technical field of semiconductors, and is characterized in that the packaging device for the plastic mould of the semiconductor IGBT tube comprises a rack, a lower groove arranged on a lower seat of the rack, and a lower mould fixed at the top of the lower groove; according to the packaging device for the plastic mould of the semiconductor IGBT tube disclosed by the utility model, the ejection piece, the cutting piece and the ejection piece are matched, the movable plate is driven to translate upwards, so that pouring gate waste cutting, waste ejection and packaged chip ejection can be realized at one time, the cost is saved, the ejection sleeve of the ejection piece slides outside the blocking needle, and the sealing effect is good. When the ejection sleeve starts to carry out ejection work and emits a small section, the air supply assembly supplies air into the mold cavity through the hose, the inclined groove and the upper portion of the exposed needle groove, the adhesion position of a packaged chip is evenly ejected open through the air, the ejection assembly can be assisted to evenly demold the packaged chip in the vertical direction, and the demolding effect is good.

The utility model relates to injection molding machine technical field, concretely is a kind of injection molding machine quick demoulding device, including base, the side fixed mounting of base has four guide rods, one end of four guide rods is fixed with fixed seat, the one side of fixed seat is provided with upper die holder, mobile seat is movably installed between four guide rods, the side mounting of mobile seat has lower die holder, the inside of forming groove has demoulding structure, when extrusion plate and extrusion rod extrude each other, extrusion rod moves to the inside of cylinder, extrusion rod drives piston block to move, piston block pushes the inside air of cylinder into the inside of blowing pipe, and it is ejected by the air injection hole on the surface of extrusion plate and top pipe, strengthen the demoulding effect when, when injection molding, extrusion plate and extrusion rod are separated, extrusion plate and extrusion rod restore original position under the action of first reset spring and second reset spring, piston block moves in the inside of cylinder, and air enters the inside of cylinder by air inlet pipe.

This invention discloses a hot riveting and welding forming device for automotive interior plastic panels, belonging to the field of automotive interior processing technology. It includes a clamp at the upper end of a housing, with first electric rods fixedly connected to both sides of the upper end of the housing. A moving component is located at the lower end of the first electric rods, and a support plate is fixedly connected to the lower end of the moving component. A welding and riveting component is located at the lower end of the support plate, and a welding and riveting component is located at the lower end of a first slide rail. The welding and riveting component includes a second electric rod fixedly connected inside the support plate, with the output end of the second electric rod fixedly connected to the moving plate. By setting up the welding and riveting component, and utilizing a constant force spring in conjunction with the meshing of gears and gear blocks, the pressure of the melting head on the plastic column is kept constant. Compared with existing technologies, this effectively avoids the problem of plastic column collapse due to excessive pressure or loosening of the riveting due to insufficient pressure, resulting in more perfect melting and forming of the plastic column and a more stable and reliable hot riveting effect.

The present application relates to the technical field of condom production, in particular to a natural latex rubber condom production method; S1: all used raw materials are inspected, and raw latex is prepared and its performance is tested, and the qualified product of raw latex is obtained after testing; S2: solution preparation; S3: preparation of vulcanized latex; S4: vulcanized latex ripening, storage and filtration; S5: sent to a condom linkage machine production line; after mold washing treatment is completed, latex dipping treatment is entered, after the latex dipping treatment is completed, demolding is performed to obtain a semi-finished product; after the condom demolding is completed, a finished product post-treatment process is entered; after the semi-finished product bubble isolation agent is completed, a final drying process is entered; after drying, a condom finished product is obtained. The process method can effectively ensure the uniformity of dipping and the forming effect in the production process of the condom, ensure the toughness and overall tensile strength of the obtained condom product, and improve the use performance of the product.

This utility model relates to the technical field of injection molds, and in particular to an injection molding structure combining a sliding block and a slanted ejector. It includes a front mold assembly, a rear mold assembly, a sliding block mechanism, and a slanted ejector mechanism. The front mold assembly has a front mold core, the rear mold assembly has a rear mold core, and the sliding block mechanism has a sliding block insert. The front mold core, rear mold core, and sliding block insert cooperate to form an injection cavity. The sliding block insert is located on the side of the injection cavity and is used to injection mold the side wall of the plastic part. The slanted ejector mechanism has a slanted ejector rod, and the sliding block insert has a guide slanted hole. The slanted ejector rod passes through the guide slanted hole, thereby cooperating with the sliding block insert to injection mold the undercut on the side of the plastic part. In summary, this design effectively handles the undercut on the side of the plastic part, while simplifying the mold structure, reducing manufacturing costs, and improving demolding reliability.

This invention discloses a release film for multilayer ceramic capacitors and its preparation method in the field of polymer composite materials. The release film uses polyethylene terephthalate as the matrix, combined with a bimodal nanoparticle system composed of specific spherical silica and alumina. It innovatively introduces a bifunctional modifier containing perfluoroalkyl and siloxane groups, as well as a hyperbranched multi-arm block polyester siloxane synergistic interface modifier. The preparation process includes key steps such as nanoparticle surface modification, functional masterbatch melt blending and extrusion, and biaxial stretching molding. Through the synergistic effect of the two special modifiers, the dispersibility of nanoparticles in the matrix is ​​significantly improved, and the interfacial bonding strength is enhanced. This results in a release film with extremely low surface roughness and excellent anti-adhesion properties, while also exhibiting good heat resistance and dimensional stability, fully meeting the requirements of high-end multilayer ceramic capacitor manufacturing processes.

The utility model belongs to the technical field of ingot casting production, and particularly relates to a spraying device of an ingot casting mold. Comprising a mold conveying frame used for automatically conveying ingot molds, and a spraying support is arranged at the bottom or the top of the mold conveying frame; a spraying assembly is movably mounted on the spraying bracket; the dust collector assembly is mounted on one side of the mold conveying frame, and the dust collector assembly is used for collecting the atomized and diffused release agent generated by the spraying assembly; the batching cabinet is installed on one side of the mold conveying frame, and the batching cabinet communicates with the input end of the spraying assembly; and the release agent is continuously supplied to the spraying assembly through the batching cabinet, so that the spraying convenience is further improved.

The invention relates to the technical field of hot press forming devices, and discloses an intelligent toilet seat hot press forming device which comprises an operation table, a lower die is installed on the operation table, a hydraulic unit is installed on the operation table, and an upper die is connected to the bottom of the hydraulic unit; a demolding assembly is arranged on the operation table and comprises a plurality of ejector blocks and two sliding rods. A curing assembly is arranged on the demolding assembly and comprises a liquid tank, and a plurality of spray heads are mounted at the bottom of the liquid tank; a driving part used for driving the sliding rod to move is arranged on the operation table. Through the arrangement of the demolding assembly, the two sliding rods make contact with rolling wheels at the multiple mold cavities in sequence in the rightward moving process, then the multiple ejection blocks are driven to eject the seat rings in the multiple mold cavities in sequence, and separation of the seat rings and the lower mold cavity is achieved.

The utility model relates to the technical field of outer wall pouring strip, disclose a novel outer wall pouring strip deep groove model, include: model main part, its inside is equipped with the model through -opening of penetration, is used for the filling of pouring material, upper baffle, set up in the top of model main part, is used for limiting the boundary of pouring strip, extension part, connects in the deep groove turning -over place of model main part both sides, be equipped with the extension opening on the extension part, and with model through -opening intercommunication, arc concave surface, form in the outside of extension part, are used for adapting wall body. The model main part and extension part structure that set up can significantly improve the construction quality and efficiency of outer wall deep groove. Through the design of model through -opening and extension opening, the uniform filling of pouring material is realized, and the problems of uneven construction and material not fitting are avoided. At the same time, the setting of arc concave surface makes the model better adapt to the wall body structure, reduces the construction difficulty, and improves the construction precision.

This utility model discloses an auxiliary structure for demolding fiberglass cylinders, relating to the technical field of fiberglass production equipment. It includes a base body, a support seat fixedly connected to one side of the upper surface of the base body, a lower mold fixedly connected to the top of the support seat, and an upper mold fixedly connected to the top of the lower mold. The lower mold and the upper mold together form a cylinder mold, and a mandrel is horizontally arranged inside the cylinder mold. A movable component is provided on the side of the upper surface of the base body away from the support seat. One end of the mandrel is connected to the movable component via a locking component. An auxiliary demolding component is provided on the outer side of the lower mold and the upper mold. This utility model, by designing the auxiliary demolding component, allows the air pump to be started and the control valve to be opened after the fiberglass cylinder has solidified in the mold, causing the annular airbag to inflate. The gas enters the gap between the mold and the cylinder through the air holes, effectively reducing the adhesion and friction between them, and significantly improving the demolding effect.

The invention relates to the technical field of ceramic chip machining, and discloses ceramic chip forming equipment and a production method for a bulletproof vest aluminum oxide plugboard. The ceramic chip forming equipment comprises a steel frame, a pressing mechanism, a fixed mold and a lower mold are sequentially arranged on the steel frame from top to bottom, a plurality of pressing holes and a discharging opening are formed in the fixed mold, and a mold closing hydraulic cylinder is further arranged on the steel frame; an electric push rod and a cleaning mechanism are arranged on the fixed mold, the cleaning mechanism comprises a plurality of blowing nozzles, a plurality of spraying nozzles, a driving part and a push plate, a material returning mechanism is further arranged on the steel frame, and the material returning mechanism comprises a scraping plate, a pushing part and a leakage net. According to the device, the inner wall of a pressing hole can be cleaned, meanwhile, automatic material returning of a ceramic wafer can be achieved, so that the use convenience is greatly improved, redundant dry powder can be recycled, meanwhile, demolding can be conveniently conducted on the formed ceramic wafer, and the use convenience is further improved.

The utility model relates to a front mould core-pulling mould relates to injection mould technical field, including front mould assembly and rear mould assembly and front mould core-pulling mechanism, and front mould assembly includes front mould panel, front mould plate and front mould kernel, and rear mould assembly includes rear mould seat board, rear mould plate and rear mould kernel, and is provided with the forming insert in rear mould kernel, and front mould core-pulling mechanism includes fixedly arranged on the core-pulling guide pillar of front mould panel, and the first core-pulling slider and the second core-pulling slider of core-pulling guide pillar sliding cooperation, connecting assembly and limiting assembly, and the both sides of core-pulling guide pillar are set up with the sliding slot of first core-pulling slider and second core-pulling slider sliding cooperation respectively, and first core-pulling slider and second core-pulling slider all are located in the front mould kernel and can be driven under the sliding slot on core-pulling guide pillar and move to the direction of approaching or moving away each other. Adopt above-mentioned technical scheme, can reduce the specific gravity of mould and production cost, improve production efficiency, and can improve core-pulling efficiency and demoulding effect.

The utility model discloses a drinking water packaging bottle production mold convenient to demold, and belongs to the technical field of drinking water packaging bottle production equipment. The drinking water packaging bottle production mold convenient to demold mainly comprises a mounting base body, an injection mold and a demolding mechanism. Wherein a mounting chamber is formed in the mounting base body, grooves are symmetrically formed in the two sides of the top end of the mounting base body in the width direction, the grooves are communicated with the mounting chamber, sliding grooves are symmetrically formed in the two sides of the bottom wall of the mounting chamber and correspond to the grooves, and two injection molds are transversely arranged above the grooves in the length direction; a demolding mechanism is connected to the sliding groove in a sliding mode, and the top end of the demolding mechanism is connected with the bottom end of the injection mold; a first driving piece and a second driving piece are arranged in the demolding mechanism. Compared with the prior art, the demolding effect of the packaging bottle is enhanced, the manual operation intensity is reduced, and the working efficiency is improved to a certain extent, so that the demolding device has higher practicability.