22 results about "Double injection" patented technology

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 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 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.

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 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.

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.

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 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.

A stove burner with upper air inlet and double injection pipes comprises an air inlet connector, a furnace end, a fire distributor base, a center fire cover, an outer ring fire cover, an ignition needle and an induction needle, and the furnace end comprises a base plate, an outer ring air cavity, an outer ring premixing cavity, an outer ring air outlet connector, an outer ring injection pipe, a center air cavity, a lower center air groove, a center nozzle base and a center injection pipe. The gas inlet connector is communicated and fixed with the outer ring air cavity, the outer ring nozzle at the gas outlet end extends into the outer ring air cavity and is opposite to the outer ring injection pipe, the distributor base is buckled with the furnace end, and a bottom plate of the outer ring gas groove is located above the outer ring air cavity. The center air inlet connector is communicated with the center air cavity, the upper center air groove and the lower center air groove form a center air channel, and the outer ring air outlet connector is communicated with the outer ring air inlet connector. And the ignition needle and the induction needle are fixed with a seat plate at the rear part of the outer ring air cavity. The center injection pipe and the outer ring injection pipe are arranged at different positions, the center nozzle and the outer ring nozzle inject air in independent spaces, and the air is stable and sufficient.

The present application relates to the technical field of burner, disclose a kind of double injection low-nitrogen burner, the double injection low-nitrogen burner is applied to boiler furnace;Burner includes air flow guide cylinder, premixed gas inlet pipe and air staging flow guide cylinder;Premixed gas inlet pipe top is provided with premixed gas flow guide pipe;Premixed gas flow guide pipe is provided with premixed gas injection hole;The end of air flow guide cylinder is sequentially coaxially provided with mixed gas contraction section and mixed gas flow guide cylinder;Air flow guide cylinder outside is equipped with injection gas ring cavity;Air flow guide cylinder is provided with injection gas inlet pipe;Injection gas ring cavity is connected with injection gas inlet pipe, and injection gas ring cavity end is uniformly provided with injection gas flow guide pipe;Injection gas flow guide pipe end is sequentially provided with injection contraction section, injection gas injection hole and injection mixing section;Injection mixing section is provided with one flue gas entrainment structure between every two;The present application further reduces the NOx generated in combustion process, guarantees the stable, safe operation of burner.

The application provides a large-tonnage double-injection high-automation low-operation-surface equipment, which comprises a rack, an upper mold plate and a lower mold plate, the rack is used as a support and an installation carrier for installing other components; the upper mold plate is vertically slidably arranged on the rack, an upper driving cylinder for driving the upper mold plate to move up and down is arranged on the rack, and an injection unit is arranged on the upper mold plate; the lower mold plate is vertically slidably arranged on the rack and located directly below the upper mold plate, an auxiliary lifting cylinder for driving the lower mold plate to move up and down is arranged on the rack, and a mold locking oil cylinder for locking the mold is fixed directly below the lower mold plate. The large-tonnage double-injection high-automation low-operation-surface equipment has a compact structure, good fit degree and high mold locking force when the mold plates are closed, can avoid flash of large-size injection molded parts, and greatly improves product quality and yield.

This invention discloses a dual-needle, low-power fluctuation regulating impingement turbine nozzle, belonging to the field of hydropower technology. In this device, a nozzle orifice is provided at the axial front end of the nozzle housing; a main nozzle is axially movable within the nozzle housing; a main nozzle drive mechanism drives the main nozzle to move slowly axially to perform slow coarse adjustment of the annular flow area within the nozzle orifice; a small nozzle is coaxially and axially movable relative to the main nozzle within the main nozzle; a small nozzle drive mechanism drives the small nozzle to move rapidly axially to perform rapid fine adjustment of the annular flow area within the nozzle orifice. This invention enables rapid and precise fine-tuning of the unit's output power, improving the unit's frequency regulation capability and its support for the power grid.

The utility model provides a shell assembly, electronic equipment and a wireless communication terminal. The shell assembly comprises a surface shell, a pressing part, a circuit board and a bottom shell, the circuit board comprises a first trigger piece; the pressing part is propped against the first triggering piece; the face shell comprises a pressing area, and the pressing part is arranged on the inner side of the pressing area; the material hardness of the pressing area is lower than that of the pressing part, and the pressing area and the pressing part are integrally formed through double-material injection molding; the bottom shell accommodates the circuit board, and the surface shell and the bottom shell form a shell of the electronic equipment. According to the shell assembly provided by the invention, the waterproof performance and the blind operability of the key function can be enhanced.

The utility model discloses a double-color turret injection molding machine which comprises a double-ejection unit, a mold locking unit and a mold plate assembly, a double-injection-molding station is arranged in the mold plate assembly, and a mold core ejection mechanism is arranged below the double-injection-molding station and corresponds to the double-injection-molding station. A rotating tower mechanism used for driving a mold core of an injection mold to rotate and change positions is arranged in the middle of the double injection molding stations, the rotating tower mechanism comprises a driving mechanism and a rotating tower rotating disc assembly, a plurality of connecting and positioning structures are arranged on the rotating tower rotating disc assembly, and an automatic demolding cylinder score assembly is further arranged on the mold plate assembly. According to the double-color turret injection molding machine, full-automatic operation from injection, mold opening and closing injection molding, ejection, transposition, color separation injection molding to demolding is achieved, the product quality and the production efficiency are greatly improved, and the turret injection molding machine can achieve double-color simultaneous injection molding and color-mixture-free high-quality molded products, can also be used as a single-color machine, and is wide in application range and good in universality.

The utility model discloses a special double-shot injection molding nozzle structure which is characterized by comprising a double-glue-feeding main nozzle structure which is arranged on a double-shot injection molding machine and used for injection molding of two materials, and the double-glue-feeding main nozzle structure comprises a first main nozzle and a second main nozzle which are arranged on the double-shot injection molding machine. The first main nozzle is arranged in a vertical structure, and the second main nozzle is arranged in an inclined structure. Compared with the prior art, the double-injection main nozzle has the beneficial effects that the side-by-side arrangement structure of the traditional double-injection main nozzle is changed into the straight structure and the inclined structure, and the double-injection main nozzle structure is arranged in a staggered manner, so that interference is avoided when an injection molding machine needs to carry out injection molding on two materials.

The utility model discloses a double-injection molding system, which is mainly characterized in that a material quantity control device is arranged between each injection device and a feeding device, each injection device is provided with an injection pipe with an injection port and a needle valve unit arranged in the injection pipe, each material quantity control device is provided with a control unit and a stop unit, and the needle valve unit is provided with a needle valve. The needle valve unit and the stopping unit are respectively controlled by the control unit, and after the screw rod of the feeding device mixes the material and the supercritical fluid into a mixture, the stopping unit and the needle valve unit are linked through the control unit so as to control the communication state between the feeding device and the ejection pipe and control the blocking degree of the ejection opening; therefore, the feeding amount and the ejection amount of the mixture are controlled, the defect of incomplete filling caused by uneven discharging is avoided, and the subsequent forming quality and the yield are effectively improved.

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 present disclosure has the following beneficial effects: compared with two traditional die casting modes with independent single injection and with independent double injection, the present disclosure can achieve a single injection mode and a double injection mode only by changing the quantity of injection modules, and can be adjusted according to actual production needs. Thus, the application scope of the present disclosure can be effectively improved, and production cost can be effectively reduced.

The utility model relates to the technical field of combustors, in particular to an anti-backfire combustor. The anti-backfire combustor comprises a furnace end base, a fire cover and an injection pipe, a combustion cavity is formed in the furnace end base, the bottom of the fire cover is connected with a barrel-shaped metal wire mesh, the combustion cavity is divided into an inner cavity and an outer cavity through the wire mesh, the inner cavity is communicated with a fire outlet hole of the fire cover, and the outer cavity is communicated with the injection pipe. The silk screen can prevent backfire in the inner cavity from directly entering the injection pipes, meanwhile, the double injection pipes are arranged to increase the air inlet amount, and the partition plate is arranged in the outer cavity to separate air inlet flow channels of the two injection pipes. The anti-backfire combustor is large in combustion firepower and high in safety.