62 results about "Double injection" patented technology

The invention relates to the technical field of injection molds, and discloses a semiconductor packaging injection mold which comprises a fixed mold, a movable mold, a supporting table, a double-shaft telescopic air cylinder, an injection molding cavity, a multi-point controllable ejector pin mechanism, a hydraulic demolding mechanism and the like. According to the mold, balanced closing and separation of the movable mold are achieved through the double-shaft telescopic air cylinder, the injection molding cavity is matched with the surface of a semiconductor packaging product, and the accuracy of the sealing cavity is ensured. The multi-point controllable ejector pin mechanism is composed of ejector pins, reset springs and magnetic pushing assemblies, the ejector pins are distributed in a matrix mode, and damage to packaged products is reduced. And the hydraulic demolding mechanism realizes uniform injection of a demolding agent through a conveying hole, a liquid guide pipe and an anti-reflux valve, so that the stability and no damage in the demolding process are ensured. According to the mold, automatic control is combined, synchronous forming of the double injection molding cavities is achieved, the productivity is effectively improved, silicone oil emulsion is adopted as a release agent, a lubricating film is formed, and the production efficiency and the product quality are improved.

The utility model provides a double injection die-casting vacuum system which comprises a vacuum pump, a die and a main negative pressure device, the main negative pressure device is communicated with a cavity of the die through a first pipeline, the first pipeline is provided with a first valve assembly used for controlling opening and closing of the pipeline, the die is provided with a sprue runner communicated with the cavity, and the sprue runner is provided with a second valve assembly used for controlling opening and closing of the first valve assembly. The double-injection die-casting vacuum system further comprises an auxiliary negative pressure device, the auxiliary negative pressure device is communicated with the sprue runner through a second pipeline, and the second pipeline is provided with a second valve assembly used for controlling opening and closing of the second pipeline. And the vacuum pump is respectively communicated with the main negative pressure device and the auxiliary negative pressure device so as to absorb airflow in the main negative pressure device and the auxiliary negative pressure device. The utility model solves the problem of poor casting quality caused by the fact that the cavity is filled with molten metal at a high speed and gas in the cavity and a sprue area cannot be timely exhausted in a double-injection die-casting process.

A cover window, which uses a plastic instead of glass, and a method for manufacturing it are disclosed. The cover window comprises a base material layer formed from a transparent plastic material; and a black layer, which is applied to a surface of the base material layer and formed along a circumference of the base material layer. With this configuration, there is an effect of reducing manufacturing costs, preventing a safety accident that can occur due to breakage by using a plastic instead of glass, and preventing deterioration of adhesion and discoloration of the base material layer and the black layer when a double injection is carried out.

Disclosed are a die casting machine with single and double injection, and a method for designing a front plate thereof. The die casting machine with single and double injection includes a front plate, an injection lower frame, and an injection module. The front plate and the injection lower frame are fixed and spaced apart. If a quantity of the injection module is one, the injection module is mounted in the middle of the injection lower frame and is matched with a connector in the middle of the front plate. If a quantity of the injection modules is two, the injection modules are symmetrically mounted at two sides of the injection lower frame and are matched with connectors at two sides of the front plate respectively. The method for designing a front plate is used to design the front plate of the die casting machine with single and double injection.

The invention discloses a synchronous whole-moving mechanism and method for controlling camel type double injection. The synchronous whole-moving mechanism comprises a differential synchronous whole-moving mechanism, the differential synchronous whole moving mechanism comprises an upper injection part bottom plate connected with the upper injection part, a bottom plate base assembly connected with the lower injection part and an upper and lower plate connecting assembly with a multidirectional adjusting function, and the upper and lower plate connecting assembly is in sliding connection with the bottom plate base assembly; and a mold adjusting proximity switch and a synchronous whole movement limiting piece are arranged on the bottom plate base assembly. According to the mechanism for controlling camel type double-injection synchronous whole movement, differential synchronous whole movement of the upper injection part and the lower injection part is achieved, meanwhile, adjustment of the upper injection part in the horizontal direction, the vertical direction and the angle direction is achieved, the application range is wider, and the universality is good.

The present invention relates to a cover window using plastic instead of glass, and a method for manufacturing the same, the cover window comprising: a substrate layer formed of a transparent plastic material; and a black layer laminated on one surface of the substrate layer and formed along the periphery of the substrate layer. By means of this structure, the present invention can have the effects of making it possible to manufacture a cover window using plastic instead of using glass, thereby making it possible to reduce manufacturing costs and prevent safety accidents caused by breakage, and making it possible to prevent deterioration of adhesion and discoloration between the base material layer and the black layer when double-material injection molding is performed.

The invention belongs to the technical field of semiconductor processing equipment, and provides a grabbing and releasing mechanism and a grabbing and releasing method suitable for a double-injection-molding system, and the grabbing and releasing mechanism comprises a rack, a conveying mechanism, a translation mechanism, a lifting mechanism and a grabbing tool; the rack is provided with a lower platform and an upper platform; the conveying mechanism is installed on the surface of the lower platform and located between the upper platform and the lower platform. The translation mechanism is mounted on the surface, away from the lower platform, of the upper platform and connected with the lifting mechanism; a plurality of grippers are mounted at one end of the lifting mechanism; the gripper is provided with an adapter plate, a gripper assembly and a lifting assembly. The gripper assembly is installed on the surface of the adapter plate. The lifting assembly is installed on the surface of the adapter plate and located on one side of the gripper assembly. Layered design of the upper platform and the lower platform of the rack enables all mechanisms to be arranged in order, equipment occupied space is reduced, and the space utilization rate is increased; and a plurality of gripping apparatuses are mounted, so that the gripping apparatus can be used for gripping and releasing a plurality of workpieces at the same time, and the working efficiency is improved.

The application relates to a double-pressure injection rod structure of a die-casting die, and belongs to the technical field of die-casting equipment, which comprises a control module and two pressure injection assemblies. Each of the two pressure injection assemblies comprises a pressure injection rod, a pressure injection channel, a punch and a detection module. One end of the pressure injection rod is slidably arranged in the pressure injection channel, and the other end of the pressure injection rod is connected with the punch. The punch is used for driving the pressure injection rod to press molten metal into a cavity. The detection module comprises a plurality of pressure sensors. The detection module is electrically connected with the control module. The plurality of pressure sensors are arranged on the side surface of the pressure injection rod and are in contact with the pressure injection channel. The plurality of pressure sensors upload pressure data to the control module. The control module assigns numbers to the plurality of pressure sensors in the two pressure injection rods. The control module judges the change trend of each group of data over time. The control module issues an alarm when the change trend of one group of data exceeds a threshold range. The application can detect the use of the pressure injection rod in time.

The invention discloses a die clamping mechanism of a die-casting machine, which comprises a fixed die plate, a movable die plate and a tail plate, the fixed die plate, the movable die plate and the tail plate are sequentially connected through a pull rod assembly, the fixed die plate is fixedly connected with the pull rod assembly, and the movable die plate and the tail plate are movably connected through a bent elbow assembly. The pull rod assembly comprises a first rod set around the first flow guide groove and a second rod set around the second flow guide groove, all rod pieces of the first rod set are arranged in a square matrix mode with the center of the first flow guide groove as the center, and all rod pieces of the second rod set are arranged in a square matrix mode with the center of the second flow guide groove as the center. The invention relates to the field of die-casting dies, and aims to reduce the size and weight of equipment by optimizing the layout of pull rods and introducing a double-injection function.

The utility model discloses a coal mine gas extraction double-injection hole sealing device which comprises a first main bag body, a second main bag body and a first pipeline, and the first pipeline provides slurry for the first main bag body and the second main bag body to enable the first main bag body and the second main bag body to expand and make contact with the hole wall. The device further comprises a first auxiliary bag body, a second auxiliary bag body and a second pipeline, the first auxiliary bag body is attached to the first main bag body and is close to the hole opening, and the second auxiliary bag body is attached to the second main bag body and is close to the hole bottom. The second pipeline provides slurry for the first auxiliary bag body and the second auxiliary bag body so that the first auxiliary bag body and the second auxiliary bag body can expand to make contact with the hole wall, and a first explosion valve and an exhaust part are arranged on the second pipeline and located at the plugging section. And one end of the second pipeline is respectively connected with the second grouting pipe, the exhaust pipe and the slurry discharge pipe in a switching manner. According to the utility model, secondary plugging can be carried out on the plugging section of the drill hole, the problems of plugging effect reduction and air leakage caused by the influence of mining are avoided, gas extraction is guaranteed, and the compressive strength of solidified slurry can be improved.

The present invention relates to a cleaning nozzle equipped with a vibration motor, which can simplify a complicated structure since it is configured to install a vibration generating part to a nozzle body and even if a nozzle head is separated from the nozzle body, a coil remains in the nozzle body, and can simplify the structure and prevent breakage of a combined part of the nozzle body since the nozzle head is manufactured in a double injection molding manner.

Disclosed in the present invention is a kendama ball, comprising: a ball body, comprising an inner ball body and an outer ball body covering the outer end of the inner ball body, wherein the inner ball body and the outer ball body are formed in a double-layer inner-outer mold design by means of double injection molding, one end of the outer ball body is recessed inwards to form a truncated cone-shaped through hole, and the outer upper edge of the truncated cone-shaped through hole is circumferentially provided with serrations on the outer surface of the outer ball body. The present invention uses a double-layer inner-outer mold injection molding process, so that a hollow ball can achieve the texture of a solid ball, thereby greatly reducing the overall weight, and effectively solving the problem that user experience is affected due to the overweight and deformation of the solid ball; secondly, a soft silicone ring is built in the ball body, achieving a superior anti-slip effect when a ball hole stops at various parts of a handle; additionally, the designed serrations can enhance the friction force when the ball body is in contact with the handle, enhancing the overall ball-stopping stability of the ball body, thereby improving the overall use effect.

The invention relates to an SCR double-spraying system and a cooperative control method thereof, and relates to the technical field of automobile and engine aftertreatment. The system comprises a first urea nozzle, a first selective catalytic reducer, an ammonia escape catalyst, an oxidation catalyst, a particulate matter trap, a second urea nozzle, a second selective catalytic reducer and another ammonia escape catalyst which are arranged behind an engine and in the airflow direction. The first urea nozzle is arranged at the front end of the first selective catalytic reducer and is of a tight coupling structure with the engine. By combining the ammonia storage capacity and catalytic efficiency of the first selective catalytic reduction device and the second selective catalytic reduction device, the injection proportion of the first urea nozzle and the second urea nozzle is distributed so as to control the urea injection amount. According to the method, the urea injection proportion of the upstream and downstream urea nozzles can be reasonably distributed under different exhaust flow and exhaust temperature conditions, it is ensured that generation of N2O is restrained while the NOx emission target is achieved, cooperative control over NOx and N2O emission is achieved, and the requirements of future emission regulations are met.

The utility model provides a glue inlet structure of a double-injection mould, which comprises a mould closing mechanism, the mould closing mechanism comprises a front mould and a rear mould, during mould closing, the front mould and the rear mould are enclosed to form an accommodating cavity, a main pouring gate and a straight runner are arranged in the mould closing mechanism, and the main pouring gate is communicated with a straight glue inlet of the straight runner; a side runner is further arranged in the mold closing mechanism, a straight glue outlet of the straight runner is communicated with a side glue inlet of the side runner, a side glue outlet of the side runner is communicated with the containing cavity, and the glue outlet area S1 of the side glue outlet is larger than the glue outlet area S2 of the straight glue outlet. By combining the C-shaped side runner and the fan-shaped glue feeding design, the appearance defects, such as gas marks and material flowers, of a bijection transparent product caused by an improper glue feeding mode are overcome, meanwhile, the melt flowing path and shearing heat distribution are optimized, melt turbulence is reduced, the serpentine flow marks and the scorching defects are eliminated, and the appearance requirement of the high-transparency product is met.

A sensor cover includes a base layer, a cover layer disposed on the base layer and made of a self-healing material, and a heating film disposed between the base layer and the cover layer and configured to generate heat. The base layer and the cover layer are integrated with each other through a double injection molding process.

The embodiment of the invention relates to the technical field of connectors, and particularly discloses a connector male head, which comprises a metal shell, a mounting piece and a terminal assembly, the metal shell is provided with a mounting cavity which penetrates through the metal shell; the mounting piece is inserted into the mounting cavity, and a mounting space is formed in the mounting piece; the terminal assembly comprises a grounding piece and two injection molding assemblies, each injection molding assembly comprises an insulating carrier and a terminal group, the terminal group is embedded into the insulating carrier, and the grounding piece is arranged between the two injection molding assemblies; the terminal assembly is detachably inserted into the installation space. In this way, two times of injection molding can be avoided.

The utility model relates to the technical field of injection molding machines, and provides a front mold plate of a horizontal two-plate turntable double-colored injection molding machine, which comprises a front mold plate body, a weight reducing groove which is concave inwards and is formed in the center of the front surface of the front mold plate body, and inner concave cavities which are formed in the upper, lower, left and right side surfaces of the front mold plate body, and the reinforcing ribs I are fixedly mounted in the inner concave cavities on the left and right sides. Under the matching action of the first reinforcing ribs, the second reinforcing ribs, the reinforcing strips and the weight reducing grooves, the structural strength and stability of the front formwork body can be enhanced, the front formwork body can achieve the effect of providing enough strength while reducing the weight and saving the cost, meanwhile, the hole distance size of the two head plate positioning rings is changed according to the requirement, and the machining efficiency is improved. According to the front mold plate, the center distance of the mold can be changed, so that the front mold plate body can meet the mounting requirements of a single injection table and a multi-size double injection table, the effect of meeting the mounting requirements of molds of different sizes and types is achieved, and the using effect and applicability of the front mold plate body are effectively improved.

The invention discloses a combined injection table used for an injection molding machine and arranged in the horizontal direction. The combined injection table comprises a base, three injection bodies arranged side by side in the horizontal direction, a transverse adjusting mechanism, a front-back driving mechanism and an intelligent alignment system. The transverse adjusting mechanism is used for driving the central injection main body and at least one lateral injection main body to generate relative transverse displacement so as to realize automatic layout switching of a single injection mode and a double injection mode; the intelligent alignment system comprises a pose sensing module and a control unit, and the control unit is configured to execute mode switching and dynamic motion compensation based on real-time pose information to realize accurate docking. Furthermore, the three injection main bodies are compactly arranged in an upper-lower-two mode, injection openings are located in the same working plane, and the transverse adjusting mechanism is driven by double electric lead screws. Through automatic adjustment and multi-sensing feedback control, the automation level, the model changing efficiency and the butt joint precision of injection molding production are remarkably improved.

The present application relates to the technical field of silicone rubber cold shrink cable accessory preparation, in particular to a silicone rubber cold shrink cable intermediate joint material and a preparation method thereof. The present application overcomes the problems of interface electric breakdown, gripping force attenuation, breathing effect and sealing failure caused by thermal expansion and cold shrinkage of the cold shrink cable joint due to physical stacking. By adopting methyl vinyl silicone rubber and ternary ethylene-propylene rubber blending matrix, introducing vinyl MQ silicone resin hard segment and polyether modified silicone oil dynamic sealing component; preparing nano boron nitride, aluminum hydroxide and magnesium oxide composite functional filler through liquid phase impregnation modification process, and realizing rubber densification by high vacuum dynamic mixing; adopting double barrel synchronous double injection molding process, periodic pressure maintaining pulse is applied at the interface to induce in-situ addition reaction; after demolding, simulated cable core rod load secondary vulcanization is performed. The interface peeling strength, breakdown strength and interface pressure maintenance rate are improved, ensuring the long-term sealing and insulation reliability of the joint in extreme environment.

The invention relates to the technical field of lower vehicle bodies of electric vehicles, in particular to a double-injection-position integrated battery shell pouring and discharging system and a pouring method. The pouring and discharging system comprises a pouring structure and a cinder ladle; the pouring structures are symmetrically arranged on the two sides, provided with the wheel covers, of the battery shell, each pouring structure comprises a material cake and a transverse pouring channel, the transverse pouring channels are reversely upward in the gravity direction, the sectional areas of the transverse pouring channels are gradually reduced, one ends of the transverse pouring channels are connected with the material cakes, and the other ends of the transverse pouring channels are connected with the battery shell to form inner pouring gates. The flow gates are arranged according to the edge shape of the battery shell; the cinder ladle is positioned on the edge of the middle of the battery shell. Through the design of the double injection positions, the problems in the prior art are solved, the elongation performance of the wheel casing and the connecting position of the tail end and the front floor of the product is improved, the qualified rate of spr connecting points of the product is increased, the defects in the production process are reduced, and the production efficiency and the product quality are improved.

The invention provides a rotary insert core mechanism, which is matched with a double-injection mold for use, is arranged in a double-injection female mold, and comprises an insert core, the insert core is arranged on a double-injection female mold core, one side of the insert core is provided with a first cavity, the other opposite side of the insert core is provided with a second cavity, the insert core is connected with a first driving part through a rotating rod, and the rotating rod is connected with a second driving part; the rotating rod and the first driving piece are arranged in a secondary injection female mold, the first driving piece is used for driving the insert core to stretch out or retract relative to the secondary injection female mold core, the rotating rod is connected with the rotating assembly, and the rotating assembly is used for driving the rotating rod and the insert core to rotate so as to convert the first cavity and the second cavity. The three-color injection mold is used in cooperation with a double-injection mold, a three-color product can be formed, the mold structure is simplified, and the production cost is reduced.

The invention discloses a lifting type multi-station double-injection-table shoe sole forming machine which comprises a bottom frame, a translation carrying table, an X-axis translation driving mechanism, a first injection mechanism, a second injection mechanism, a lifting driving mechanism and a plurality of shoe sole forming molds. The injection mechanism is reasonable in structural design, a discharging port of the first injection mechanism can be in butt joint with an upper die feeding port of an upper die of each shoe sole forming die, and a discharging port of the second injection mechanism can be in butt joint with a lower die feeding port of a lower die of each shoe sole forming die; in this way, the first injection mechanism and the second injection mechanism can conduct injection and glue feeding operation on the upper mold and the lower mold of one shoe sole forming mold at the same time, the lifting driving mechanism can drive the second injection mechanism to move up and down, and the height position of the second injection mechanism can be adjusted conveniently; in this way, the two injection mechanisms can be compatible with shoe sole forming molds of different heights, and universality is high.

The shoe insole of the article according to the present design is integrally formed by joining a hard material (hard plastic) and a soft material (elastomer) by the double injection method. The article has a soft material (elastomer) attached to the back of the heel, which has excellent shock absorption properties and can reduce shock to the body. In addition, the article has a gap formed in the hard material (hard plastic) on the outer part of the heel, which can reduce the impact when landing. In addition, the article has an arch formed in the metatarsal part, which can prevent the foot from widening, reducing the burden on wide feet and bunions.

The present application discloses a single-double-shot die-casting machine and a head plate design method thereof. The single-double-shot die-casting machine includes a head plate, a material lower frame and a die-shooting module group; the head plate and the material lower frame are fixedly arranged and spaced apart; if the number of the die-shooting module group is one, the die-shooting module group is installed in the middle of the material lower frame and is matched and connected with the interface in the middle of the head plate; if the number of the die-shooting module group is two, the die-shooting module group is symmetrically installed on both sides of the material lower frame and is matched and connected with the interfaces on both sides of the head plate respectively. The head plate design method is used to design the head plate for the above-mentioned single-double-shot die-casting machine. Beneficial effects of the present application: Compared with the two traditional independent single-double-shot die-casting methods, the present application can realize the single-shot and double-shot modes by only changing the number of the die-shooting module groups, and can be adjusted according to actual production needs, thereby effectively improving the scope of application of the present application and effectively reducing production costs.

A planar heating element according to the present invention is configured such that a pair of wires are inserted into a matrix formed by forming a base resin and a conductive material, so that heat is generated by means of electrical resistance that is generated inside the matrix when power is applied, wherein the planar heating element has a simple structure and is easy to manufacture and can achieve a sufficient heating effect regardless of thermal conductivity. In addition, the planar heating element is divided into a heating part and a non-heating part, and the heating part and the non-heating part are integrally manufactured through a double injection molding method. Thus, the present invention has advantages in that various shapes of planar heating elements can be manufactured and that manufacturing costs and manufacturing time can be reduced due to the manufacturing process being simple.

A fluid content dispensing container having an applicator, according to an embodiment of the present invention, comprises: a tube which has a head integrally injection-molded therein and accommodates a content; a soft applicator which is molded onto the head by double injection or insert injection and has a dispensing opening; and an overcap for opening and closing the applicator.

The utility model discloses a multi-station double-injection-table sole forming machine which comprises a machine base, a first injection table device used for injecting ground color sizing materials, a second injection table device used for injecting face color sizing materials, an X-axis translation driving device, a Y-axis translation driving device and a plurality of injection molds. The left side and the right side of the top of the machine base are provided with to-be-conveyed platforms for the first injection table device and the second injection table device to wait correspondingly, and the X-axis translation driving device is horizontally arranged on one side of the top of the machine base and the two to-be-conveyed platforms. The first injection table device and the second injection table device are arranged on the X-axis translation driving device in a front-back moving mode through the Y-axis translation driving device, and the injection molds are arranged on the other side of the top of the machine base at intervals. According to the multi-station double-color injection molding machine, high efficiency, flexibility and continuity of multi-station double-color injection molding can be guaranteed, the first injection table device and the second injection table device can cooperatively produce double-color rubber products and can also independently produce single-color rubber products, the utilization rate of the equipment is high, and diversified requirements are met.

The invention relates to the technical field of commercial vehicle after-treatment systems, and particularly discloses a commercial vehicle tail gas after-treatment device which is characterized in that an SOC carrier assembly, a DPF carrier assembly and an SCR / ASC carrier assembly are sequentially arranged, an exhaust pipe is provided with a gas inlet end and a gas outlet end in the length direction of the exhaust pipe, the gas inlet end is used for receiving waste gas emission of an engine, the gas outlet end is communicated with a treatment box, and the treatment box is communicated with the SOC carrier assembly; the first urea nozzle is arranged on the exhaust pipe and located at the air inlet end, and the second urea nozzle is arranged on the treatment box and located between the DPF carrier assembly and the SCR / ASC carrier assembly. The first urea nozzle and the second urea nozzle are introduced to achieve double spraying, the urea atomization coverage range is enlarged, it is ensured that ammonia gas generated by decomposition is fully mixed with tail gas, and the nitrogen-oxygen conversion rate is increased. And the first urea nozzle is arranged at the gas inlet end, so that the movement track of the urea can be further prolonged, the mixing efficiency of the urea and the high-temperature tail gas is improved, hydrolysis and evaporation of the urea are promoted, and higher nitrogen and oxygen emission is matched.

The present disclosure relates to a paintless metallic polypropylene resin composition with improved flow marks and a molded article thereof. The paintless metallic polypropylene resin composition of the present disclosure minimizes shear stress generated by voids and possesses high viscoelasticity, thereby inducing smooth flow of recycled material and preventing the occurrence of flow marks in the molded article. Furthermore, workability and aesthetics may be excellent when using the paintless metallic polypropylene resin composition of the present disclosure for double injection molding.

The invention discloses an engine, a control method, electronic equipment, a storage medium and a vehicle. The control method comprises the steps that the working condition of the engine is obtained; obtaining the alcohol proportion in the engine; determining a fuel injection mode and an injection ratio based on the working condition and the alcohol ratio; controlling the engine to operate based on the fuel injection mode and the injection ratio; the injection mode is determined to be an in-cylinder direct injection mode; determining the injection mode as a double injection mode, and determining the injection ratio as a first injection ratio; the injection mode is determined to be a double injection mode, and the injection ratio is determined to be a second injection ratio; the injection mode is determined as a dual injection mode and the injection ratio is determined as a third injection ratio. The problems of difficult cold start, poor low-temperature operation performance, knocking, preignition and the like caused by independently adopting an air inlet channel injection mode can be reduced, and the problems of insufficient oil injection duration and high rail pressure corrosion caused by independently adopting an in-cylinder direct injection mode can be reduced.