609 results about "Injection product" patented technology

The invention discloses a lifting property and effective ABS injection moulding component based on reclaiming, which is characterized by the following: The mass percent is: 50-95% reclaiming ABS, 5-40% elastic body flexibilizer, 0.1%-0.5% hyperoxide dissociate agent, 0.1%-0.5% complex light stabilizer, 0.1%-0.5% anti-oxidant, 1%-10% inorganic nanometer particle and 1%-5% inclusive agent, wherein the weight of inorganic nanometer particle is the guideline of mass percent of inclusive agent. This invention can not only modify mechanics property of rABS, but also can make rABS possess persisted property and be used to injection product.

The invention discloses a preparation method of chlorinated polyvinyl chloride (CPVC) injection aggregate which is characterized by high strength, high-temperature resistance, corrosion resistance and combustion supporting and a product of smooth surface. The chlorinated polyvinyl chloride injection aggregate comprises by weight: 100 parts of CPVC resin; 3-5 parts of stabilizer; 2-5 parts of lubricant and 5-12 parts of impact modifier; 0.5-5 parts of processing agent; 1-10 parts of filler; 0.1-2 parts of antioxidant. The invention also provides a preparation method of the chlorinated polyvinyl chloride injection aggregate. Specifically, each ingredient is subjected to a high-speed mixture to reach a temperature of 100-140 DEG C and dispersed well. Then the mixed ingredients are cooled to 40-60 DEG C. After extrusion and granulating, the chlorinated polyvinyl chloride injection aggregate can be obtained. With a Vicat softening temperature not below 103 DEG C, the high-performance chlorinated polyvinyl chloride injection aggregate provided in the invention has the advantages of high mechanical strength and toughness, excellent corrosion resistance and fire resistance. Thus, the injection aggregate can be widely used in manufacturing valves and parts for conveying high temperature soda acid in chemical industry and daily domestic hot water, and manufacturing other injection products with high intensity and high temperature resistance.

The invention discloses a biodegradable free-spraying aesthetic resin and a preparation method thereof, and the composite raw materials comprises the following components by weight: 10-80 parts of polylactic acid resin, 20-70 parts of polymethyl methacrylate, 0-30 parts of impact modifiers, 0.1-0.8 parts of antioxidants, 0.1-2.0 parts of lubricants, 0-3.0 parts of metal pigments, and 0-3.0 parts of pearlescent pigments. The raw materials are dried in an oven at 60 DEG C for 5-8 hours; then metal pigments or pearlescent pigments treated by a coupling agent are added proportionally; the mixtureis premixed by a high-speed mixer, is processed by melt extrusion through a twin-screw extruder, and is cooled and granulated. Not only the obtained product has good metallic luster effect, but also its injection product has excellent mechanical properties and thermal properties, has beautiful appearance and no flowing marks, is biodegradable, is applicable to the manufacture of appearance parts of household appliance and office products which has high requirements on appearance.

This invention discloses an injection molded die for automatically cutting scraps used in producing injection products including a fixed mold, a moving mold and a cutting unit, in which, said fixed mold is matched with the moving mold to form a cavity corresponding to the injection product and a runner conducting to the fixed mold or the moving mold, said cutting unit includes a cutting plate set close to the cavity and extending into the runner after molding a product to cut the scraps connected with the product along the edge of the cavity, said die can cut the scraps in the runner and separates them from the product by the cutting unit before the product is finished and taken out so as to avoid separating products from runners artificially to reduce production time and cost.

The invention provides a fasudil salt injection for improving stability. The injection consists of the following components based on a weight ratio: the fasudil salt and medical sodium chloride are blended with water to 2,000ml according to a ratio of 100:1 to 1:100 to prepare 1,000 injections. The stability of the fasudil salt injection to light and heat is improved by reducing the oxygen content in the injection and introducing inert gas, so that the preserving period of injection products can be prolonged, and the injection has higher industrial application value. The invention provides a preparation method.

The invention relates to an injection mold structure, in particular to an injection mold composite lifter demoulding mechanism, in which barbed demoulding exists in four degree-of-freedom-directions in six degree-of-freedom-spaces on the inner wall of an injection product and which realizes the automatic demoulding function of the product in a mode of composite lifter. The demoulding mechanism comprises an upper mold, a lower mold, a core plate and a travel switch. The lower mold is provided with a movable lifter insert and a lifter body. A runner is arranged between the upper ends of the movable lifter insert and the lifter body and forms a certain angle with the horizontal plane. The lifter body is provided with a lifter guide block in the middle and connected with a lifter sliding seat at the lower end. The composite lifter demoulding mechanism realizes three barbed surfaces on the inner wall of the product, the mold has automatic demoulding function with barbs in the demoulding direction and a cooling water channel as well as a gas-assisted molding air path is arranged on the lifer body.

This device comprises: a body housing a hollow injection needle and a container containing the injectable product; the needle is connected to the body but able to move relative to the latter between an injection position and a retracted position; a plunger that slides in the body and is displaceable relative to the latter to perform the injection; said container is able to move relative to the plunger between a position that enables the injection to be performed and a retracted position; means for keeping the needle and the plunger in injection position, which means can be released to free the needle and the plunger to move to said retracted position.

The invention discloses a manufacturing device and method for an injection mold with a conformal cooling pipeline. At first, a part of a mold cavity entity is machined by the adoption of an SLM technology based on a layered manufacturing principle, then a semicircular groove used for containing the conformal cooling pipeline is machined in a proper position inside the mold cavity entity, after metal powder in the groove is cleaned out, the conformal cooling pipeline is placed in the groove, metal powder in the first half of the pipeline is fused through the SLM technology finally, the conformal cooling pipeline can be embedded in the mold cavity entity accordingly, ultimately the method is repeated according to the depth of a mold cavity, and multiple layers of conformal cooling pipelines can be embedded in the mold cavity entity in a layered mode. Thus, the defect that conformal cooling pipelines of a mold are directly manufactured by the adoption of the SLM technology can be overcome, the cooling pipelines with the diameter less than 6 mm can be manufactured, meanwhile it is guaranteed that inner walls of the pipelines are smooth, cooling capacity of the mold and cooling evenness of plastic injection products can be effectively improved.

The invention relates to a Danhong injection quality control method. According to the method, an efficient liquid chromatography is used for measuring fingerprint spectrums of Danhong injection products to be measured, and in addition, three kinds of algorithms including the included angle cosine algorithm, the relative coefficient algorithm and the ratio qualitative algorithm are adopted for calculating the qualitative similarity of fingerprint spectrums of the Danhong injection; and the P value and the M value are calculated, and the qualitative similarity of the fingerprint spectrums of the Danhong injection is obtained. Meanwhile, a content measuring method of eight effective ingredients of the Danhong injection is built. Finally, a high performance liquid chromatography (HPLC) is used for measuring, the conditions that the sodium danshensu and protocatechualdehyde content is greater than 350mug/mL, the qualitative similarity is greater than 0.95, the quantitative similarity P is between 0.80 and 1.20, and the M is between 0.90 and 1.10 are used as quality control standards for controlling the Danhong injection quality. The fingerprint spectrum qualitative and quantitative discrimination is combined with the multi-index quantitative analysis, and the reliability and the safety of the Danhong injection quality are further ensured.

The invention provides a method for enabling a metal insert to be moulded through injection moulding and an injection product containing the metal insert. The method comprises: performing pre-treatment to the metal insert having a pre-set shape to make the surface of the metal insert clean; performing anodic oxidation treatment to the metal insert after the pre-treatment to allow a film layer with a thickness of 1-8 mum to be formed on the surface of the metal insert, wherein holes with irregular shapes are formed in the film layer; performing adhesion treatment to the metal insert containing the holes by using an adhesion treatment agent; and carrying out injection moulding to the metal insert after the adhesion treatment to enable the metal insert to be directly combined with a plastic through flat surfaces. According to the invention, a combination structure of a metal and a plastic is effectively simplified; the manufacture cost is lowered; and the production efficiency and the yield are improved.

The invention discloses a low-emission long glass fiber reinforced polypropylene composite and a preparation method thereof. The low-emission long glass fiber reinforced polypropylene composite is concretely prepared from the following raw materials in percentage by weight: 28-88 percent of polypropylene, 10-60 percent of long glass fiber, 0.2-2 percent of an anionic layered compound, 1-6 percent of a compatibilizer, 0.2-2 percent of a heat stabilizer and 0.1-2 percent of a processing aid. Compared with prior art, according to the low-emission long glass fiber reinforced polypropylene composite disclosed by the invention, as the anionic layered compound is added in the raw material formula, on one hand, low-molecular volatiles generated during polypropylene composite processing can be adsorbed, acidic groups can also be fixed, degradation of the polypropylene is delayed, and the generation of the low-molecular volatile is reduced; on the other hand, the anionic layered compound and an antioxygen can have the synergistic effect, so that the heat-oxygen age stability time of a long glass fiber reinforced polypropylene material is prolonged; the preparation method is simple in method, safe in operation and uniform in dispersion of alkali-free continuous long glass fibers in the polypropylene and is capable of effectively preventing a glass fiber bundle from occurring on the surface of an injection product and greatly improving the quality of the polypropylene composite.

The invention relates to an ejector mechanism and an injection mold therewith. The ejector mechanism comprises a floating thimble and an ejector block, wherein the lower end part of the floating thimble is elastically connected with a rear plate, the ejector block is positioned below a mold cavity and can be slidably sleeved on the upper part of a male mold along the longitudinal direction; and the floating thimble penetrating a male mold core insert and the upper end part of the floating thimble extends into the mold cavity, the lower end part of the floating thimble is fixedly provided with a pulling-back sleeve, and a spring providing a downwards restoring force for the floating thimble is arranged between the pulling-back sleeve and the rear plate. The ejector block is connected with a drive part, the ejector block drives an injection product and the floating thimble to upwards move when the mold is opened until the periphery of the injection product is provided with an extending space, and the floating thimble is pulled out; the plasticity of the injection product is fully utilized, and the damage of the injection product caused by forced demolding is avoided.

The invention provides a mould structure of a plastic injection product, which is used for enabling the strength of a filling position of a product at the end farthest away from a gate to be good and the strength of the whole product to be good so as to meet the normal strength requirement of the product. The mould structure of the plastic injection product comprises a runner, the gate, a front mould core and a back mould core, wherein the front mould core and the back mould core are mutually matched to form a diccavity; and the runner is communicated with the gate after penetrating through the front mould core. The mould structure of the plastic injection product is characterized in that the diccavity at the end farthest away from the gate is internally provided with cold material troughs which are specifically overflow cavities formed in a manner that the front mould core and the back mould core are mutually matched.

The invention discloses pemetrexed disodium liposome injection which is mainly made of pemetrexed disodium and a preparation method thereof, distearoyl phosphatidyl glycerol, dipalmitoyl phosphatidyl choline, PEG600, cholesterol and mannitol. The liposome injection has the advantages that the particle size of liposome is small, the liposome is uniformly distributed, the encapsulation efficiency is high, the leakage rate is low, the stability is good, the solubility of the pemetrexed disodium and the quality of injection products are improved, the toxic and side effect is reduced, and the curative effect is improved.

The invention relates to a low-density automobile back door plate module and a preparation method thereof. The preparation method is used for reducing self weight of automobile back door plate modules and overcoming appearance defects of sink marks, warping deformation and the like. The low-density automobile back door plate module uses modified polypropylene particles and foaming masterbatches as raw materials and is produced through mixing injection molding, and the mass ratio of the modified polypropylene particles and the foaming masterbatches is 100: (1-4). According to the low-density automobile back door plate module and the preparation method thereof, the modified polypropylene particles and the foaming masterbatches are used as the raw materials, conventional injection processes are improved according to raw material characteristics and molding requirements, and a high-pressure high-speed injection process is used, so that the intensity of produced injection products is lower than that of ordinary polypropylene modules by 10%-15%, 10%-15% of a molding period can be shortened, the usage quantity of the raw materials is saved, and the molding period can be substantially shortened.

The invention discloses an online injection product quality detection device and method based on infrared imaging. The device comprises an infrared detection and acquisition module, an image displaying and processing module and a process parameter regulation module which are in telecommunication connection in sequence. The method comprises the following steps: performing all-round detection and thermal image acquisition on injection products through the infrared detection and acquisition module in the injection molding process, and transmitting the acquired images to the image displaying and processing module through a wired network; inputting the processed image data into a knowledge base, wherein the knowledge base is capable of analyzing various quality indexes of the products according to the image information, such as internal histological morphology and structure of the product, density of the product, defect conditions of the products and the like; and transmitting the quality parameters to the process parameter regulation module so as to realize online regulation of injection molding process parameters. According to the device, the quality problems caused in the injection product production process can be monitored in real time, closed-loop control from the quality indexes to the process parameters is realized, and the quality of the injection products is improved.

The invention relates to an injectable implant and a preparation method thereof. The implant is amnion microparticles mixed in a sodium chloride phosphate physiological solution with a pH of 7.0-7.5. The preparation method comprises the following steps of disinfection processing, decellularization processing, modification processing, and amnion microparticle preparation, and in particular, comprises: taking amnion microparticles as a component A and a sodium chloride phosphate physiological solution as a component B, performing vibration and well mixing according to a mass volume ratio of 20:1-100:1 to prepare an amnion microparticle suspension with a concentration of 20-100 mg/mL by high-speed microjet equipment, wherein the particle size of the amnion microparticles is 50-200 microns. The injectable implant of the invention maintains the natural three dimensional stereo structure and a lot of natural active components of human amnion, reduces immunological rejection reaction caused by raw material source after clinical application of cosmetic injection products, is suitable for injection into deep subcutaneous dermal layer to subcutaneous superficial layer to repair moderate to severe wrinkles or folds, and has good cosmetic repair effect.

A method for injecting electrolyte into lithium battery includes laying stainless steel support with liquid injection holes being arranged regularly towards to injection product into soaking box of injection liquid, covering and sealing said box then vacuuming said box to form negative pressure at internal of said battery, injecting electrolyte into said box and automatically sucking in electrolyte by said battery in said box under action of negative pressure.

The invention discloses a bicolor product injection mould which comprises a male template and a female template and is characterized by further comprising a male die, two female dies and a rotary device, wherein the male die is arranged on the male template; the two female dies are arranged on the same side of the female template; a glue inlet runner is arranged on the two female dies respectively; one female die is provided with a positioning mechanism for placing a film into a cavity of the female die; and the rotary device can drive the male template to rotate for at least 180 degrees. Through the invention, the problems that the bicolor injection product has relatively single appearance effect, the pattern is located on the appearance surface of the bicolor injection product and easily drops and fades along with the increase of the service time and the product has short service life and relatively bad using effect in the prior art are solved; and the invention provides a bicolor product injection mould, wherein the structure is simple, the pattern is located in the bicolor injection product and does not drop or fade, and the using effect is better.

The invention discloses a method for manufacturing an integrated injection product model. The method comprises the following steps of: (1) acquiring data, (2) processing the data, (3) reconstructing the model, and (4) manufacturing the model. The step (1) comprises the substeps of breaking off deep and shallow parts of a groove until the groove is deformed and then acquiring the data; the step (2) is used for treating an easily deforming region around the product in the following way: 1) manufacturing an original shape point cloud model on a deforming part of a soft edge of the periphery according to an original shape, 2) then producing an auxiliary surface, 3) unfolding an entity, and 4) finishing a curved surface and fitting scanning points on the break-off deforming parts; the step (3) comprises the following substeps: splitting the product model, then properly dragging the model until a final counter-deformation model of an integrated injection product meeting a precision requirement is obtained and eventually obtaining the product entity model according to the final counter-deformation model. According to the method, the model manufacturing cost can be reduced, the product manufacturing speed can be increased, the product handover time is shortened, and the product quality is improved.

The invention discloses a technology for holding pressure control according to melting body temperature as an injection molding machine, comprising the following technical steps: A), installing a melting body temperature sensor on the mould cavity or pouring gate of an injection machine for measuring the melting body temperature; B), connecting the output signal of the melting body temperature sensor to an injection machine controller; C), writing the holding pressure control procedure in the injection machine controller as the holding pressure switch according to the melting body temperature; D), in the injection holding pressure process, the melting body temperature in the mould cavity is quickly increased firstly and slowly reduced then, after the temperature reaches the top point, the invention performs transfer holding pressure, holding pressure switch and holding pressure end control according to the set melting body temperature. The invention has the advantages of high injection product quality and repeat accuracy.

The invention relates to an automatic injection product carrying module. During a coordinate movement process of four modules including a linear movement module, a lining module, a suction nozzle module and an optical fiber module, simultaneous moving of a plurality of platform articles is realized to form an assembly work line. The automatic injection product carrying module is high in stability, precision and integral moving efficiency, production efficiency is greatly improved, space is saved, maintainability is improved, and production cost is reduced.

A water-soluble material used for the consumable core of injection mould is prepared from water-soluble salt, thermosetting resin and other assistants through hot pressing. It has high instantaneous working temp up to 400 deg.C, high compression strength up to 25 MPa, short consumable time less than 48 hr, and low consumable temp lower than 60 deg.C.