31 results about "Plastic injection molding" patented technology

The application relates to the technical field of injection molding equipment, in particular to a double-station rapid mold changing plastic injection molding machine, which comprises an injection molding assembly, a workbench and a bearing assembly, the bearing assembly comprises a limiting frame, a lower mold, a connecting piece and a connecting block, a one-key synchronous locking structure composed of a worm wheel, a worm, a double-side screw rod and an insertion block is arranged, synchronous fixing and loosening of the left and right lower molds can be realized by only rotating a handle, repeated disassembly and assembly of bolts are not needed, mold changing steps are greatly simplified, mold changing time is shortened, double-station rapid switching requirements are met, and production efficiency is remarkably improved; the limiting frame and the connecting block are inserted and positioned, the insertion block is transversely locked, mold automatic centering is realized, installation deviation and misplacement are effectively avoided, mold closing precision is improved, product flash, burrs, size deviation and other problems are reduced, and molding quality and the finished product rate are improved; the worm wheel and worm structure has a self-locking function, cannot be loosened after being locked, is uniformly stressed, is high in reliability, and improves equipment operation stability and use safety.

This invention discloses a fully automatic hybrid electric plastic injection molding machine, comprising: a frame; a mold clamping mechanism for closing and opening the mold; an injection mechanism including a melt cylinder, a feeding screw disposed within the melt cylinder, and an injection drive assembly; an injection stage moving mechanism for driving the injection mechanism to move relative to the mold clamping mechanism on the frame, approaching or moving away from the mold clamping mechanism; a hydraulic mechanism including an oil pump, a hydraulic valve group, and hydraulic lines, wherein the oil pump is connected to the mold clamping cylinder of the mold clamping mechanism and the injection stage moving cylinder of the injection stage moving mechanism via hydraulic lines; an electric drive device for independently driving the feeding screw to rotate to achieve plastic feeding and plasticizing; and a control module electrically connected to the hydraulic mechanism and the electric drive device. This invention can reduce energy consumption, improve plasticizing control accuracy and product quality stability, reduce the load on the hydraulic system and maintenance costs, and achieve deep parallel plasticizing and molding actions to improve production efficiency.

This invention discloses a rotary multi-station bottle cap injection mold for use in the field of plastic injection molding. A circular tube at the corner of the rotating block moves synchronously with the moving mold during switching, thereby sweeping and drying the surface of the stationary mold with hot air. This effectively eliminates condensation caused by temperature differences on the surface of the stationary mold, ensuring injection molding quality after mold closing. Simultaneously, hot air is introduced through a recovery chamber and a return pipe into the preheating chamber inside the moving mold that is about to be switched and closed, realizing the recycling of waste heat and preheating the moving mold before it is to be used. This reduces energy loss caused by the clash of hot and cold, combining the dual functions of drying the surface of the stationary mold and energy-saving preheating. Furthermore, by setting a cleaning component at the end of the feeding pipe and using a pointed block, efficient and stable removal of cold slug plugs is achieved.

This invention belongs to the technical field of injection molding dies, specifically relating to an injection molding die for medical plastic parts. It includes a mounting plate, with a manifold seat connected to the center of one shaft end of the mounting plate. Multiple pairs of rotationally symmetrical fixed and moving molds are connected to the manifold seat at the end furthest from the mounting plate. The moving molds are all located at the ends of the fixed molds furthest from the manifold seat. Connecting plates are connected to the ends of the fixed molds furthest from the center of symmetry, and linkage gears are connected to these connecting plates. Drive gears mesh externally with the linkage gears. A drive motor and the linkage gears drive the mounting plate, manifold seat, and the multiple pairs of rotationally symmetrical fixed and moving molds. This allows the fixed and moving molds to automatically cycle through the following steps during rotation: mold closing and injection, pressure holding, cooling and molding, and mold opening and unloading. This enables multiple pairs of molds to simultaneously perform different production stages, achieving uninterrupted continuous production, reducing waiting time, and improving production efficiency.

This utility model discloses an integrated aluminum alloy and plastic injection molding structure for walkie-talkies, comprising an aluminum alloy panel and a plastic panel. By employing a novel injection molding process, this utility model achieves integrated injection molding of the aluminum alloy and plastic, ensuring both the aesthetics and durability of the plastic material surface while maintaining the metallic texture and strength of the aluminum alloy surface. This optimizes the assembly process and significantly improves product quality. Furthermore, connecting sleeves are attached to the outer side of the plastic panel. These connecting sleeves contain components such as an anti-slip layer, a cavity, a reinforcing layer, and a support plate. These components work together to increase the strength of the connecting sleeves, preventing cracking or damage during panel installation and removal due to excessive force. This effectively extends the service life of the components and demonstrates strong practicality.

The application relates to the technical field of injection molding equipment, and particularly discloses injection molding equipment for plastic injection molding, which comprises a fixed base, an injection molding operation box, a raw material conveying box, a discharging pipe, a feeding hopper, a preheating mechanism, an injection molding mechanism arranged in the injection molding operation box and used for injection molding, and a conveying mechanism arranged in the raw material conveying box and used for conveying raw materials; the injection molding operation box and the raw material conveying box are fixedly connected with the fixed base; the two ends of the discharging pipe are respectively communicated with the raw material conveying box and the feeding hopper; the preheating mechanism comprises a boosting block, a propelling block, an air heat conduction assembly, a plurality of turnover assemblies equidistantly arranged along the width direction of the discharging pipe, a plurality of gas flow guide assemblies equidistantly arranged along the width direction of the discharging pipe, a slip assisting hole opened on the discharging pipe, and a driving assembly used for driving the boosting block to reciprocate along the length direction of the raw material conveying box; and the problem that the preheating temperature is uneven when the existing injection molding equipment preheats plastic particle raw materials is solved.

The application discloses a multi-cavity injection mold for processing lawn mower plastic parts, and relates to the technical field of lawn mower plastic injection molding, which comprises a bearing base, a bearing support fixedly installed on the top surface of the bearing base, and a lifting top plate arranged above the bearing base. The lower part of the lifting top plate and the upper part of the bearing support are respectively provided with an upper mold body and a lower mold body. The inner lower part of the bearing support is provided with an ejection mechanism and a discharging mechanism. The discharging mechanism comprises a discharging bottom plate. The multi-cavity injection mold for processing lawn mower plastic parts can process waste plastic parts by combining the upper mold body and the lower mold body, and the stripping hard tube in the discharging top plate can assist in separating the molded parts from the inner wall of the lower mold cavity. After the discharging top plate is lifted, the molded parts are driven to be ejected, so that the injection molding efficiency of waste part recycling and the qualified rate of molding are improved.

This utility model relates to the field of injection molding machine technology and discloses a plastic injection molding machine, including a base plate, a top plate, and a mounting plate. A protective shell is fixedly connected to the middle of one side of the outer wall of the base plate. A servo motor is installed inside the protective shell. A mounting groove is formed in the middle of the upper surface of the base plate. A bidirectional threaded rod is installed inside the mounting groove. The output end of the servo motor passes through the base plate to the inside of the mounting groove and is fixedly connected to the middle of one side of the bidirectional threaded rod. Clamping plates are threadedly connected to both sides of the outer wall of the protective shell. In this utility model, the servo motor drives the bidirectional threaded rod, causing the clamping plate to drive the locking block to engage with the locking groove on the fixed mold, ensuring accurate alignment between the fixed mold and the base plate. This design ensures accurate alignment between the fixed mold and the base plate, preventing mold displacement during injection. The automated design makes mold replacement more convenient and faster, improving production efficiency.

This invention discloses a precision molding die, system, and method suitable for microgravity environments, belonging to the field of on-orbit manufacturing technology. The die is a four-layer functionally graded structure integrally formed using additive manufacturing technology, comprising, from the inside out, a model chamber layer, a dense venting chamber wall layer, a porous support buffer zone, and a dense interface shell layer, integrating five major functions: molding, venting, support, heat dissipation, and system interface. The system includes a heat insulation module, an electric heating layer, a cooling unit, and a vacuum system. A valve switching unit shares a single gas interface in the porous support buffer zone of the die, enabling switching between vacuuming, pressure protection, and active cooling functions. The material melt supply module uses a piston-type pressure vessel, suitable for conveying various materials such as molten metal and molten plastic. The method includes steps such as vacuuming, preheating, synergistic pressure differential filling, pressure holding and feeding, active cooling, and part removal. This invention also provides a pressure protection scheme for volatile alloys, by filling the porous support buffer zone with a protective gas equal to or greater than the saturated vapor pressure of the volatile metal, thermodynamically completely suppressing metal vaporization. This invention solves the problems of material melt filling and heat dissipation under microgravity, providing a complete space manufacturing solution that combines high efficiency, high performance, and high flexibility. This invention can be widely applied to metal investment casting, plastic injection molding, resin molding, and other processes requiring precise control of fluid filling and cooling.

Fuel cell stack comprising a plurality of stacked fuel cell units and at least one stack termination element (1), characterized in that the stack termination element (1) is formed from a metal part (1.1) and a stiffening part made of plastic (1.2), wherein the stack termination element (1) is manufactured in one piece as a metal-plastic hybrid component using the plastic injection molding process.

This utility model relates to the technical field of plastic injection molding production equipment, specifically to a plastic injection molding device with rapid mold change, including an injection pan and a mold change assembly. The mold change assembly is fixedly connected to the inner bottom wall of the injection pan. The mold change assembly includes a motor slot formed in the inner bottom wall of the injection pan, a servo motor fixedly connected to the inner wall of the motor slot, and a mold change turntable fixedly connected to the top of the servo motor. The injection pan has an inlet and an outlet on its left and right sides, and conveyor frames are fixedly connected to the left and right sides of the injection pan. A motor is fixedly connected to one end of the inner sidewall of each of the two conveyor frames, and a rotating roller is fixedly connected to the output end of the motor. A conveyor belt is rotatably connected to the surface of the rotating roller. This utility model, by setting up the mold change assembly, improves the efficiency and product quality of plastic injection molding production through rapid mold change, precise positioning, stable conveying, and adaptive material supply, adapting to the needs of large-scale production.

The present invention relates to an injection molding case for electronic components equipped with an assembly guide, and more specifically, to an injection molding case for electronic components equipped with an assembly guide that allows for easy assembly without a separate jig or tooling even if the side wall of the injection molding case is deformed. The present invention, as a technical means for solving the above problem, comprises an injection molding case for electronic components, wherein the lower case is configured to have a bottom surface and a lower side wall along the perimeter of the bottom surface and has a storage space for mounting electronic components inside, and the upper case is configured to have an upper side wall along the perimeter that corresponds to the lower side wall and is coupled such that the upper side wall faces the lower side wall. In this case, the upper case and the lower case are manufactured by plastic injection molding, and the upper side wall is provided with an assembly guide so that when the upper case and the lower case are coupled, the assembly guide guides the lower side wall toward the upper side wall.

This utility model relates to the field of injection molding equipment technology and discloses a high-flowability plastic injection molding machine, including an injection tube. A hopper is fixedly installed on one side of the top surface of the injection tube. Cavities are opened on both sides of the inner wall of the hopper. A melting component is fixedly installed inside the cavity. A filter screen is fixedly installed at the bottom of the inner wall of the hopper. A hopper cover is snapped onto the top surface of the hopper. This high-flowability plastic injection molding machine, through the arrangement of a crushing mechanism, a melting component, and a heat preservation component, allows plastic raw materials to be fed into the hopper. An electric heating grid heats and melts the raw materials after being energized. A servo motor drives a crushing rod to rotate, rapidly crushing the raw materials for faster melting. The filter screen filters out impurities to avoid affecting product quality. The molten plastic flows into the injection tube, where an electric heating plate heats and insulates the tube. Rock wool and polyurethane sleeves provide insulation, reducing heat loss, ensuring the flowability of the molten plastic, and preventing solidification.

This application provides a plastic injection molding auxiliary unit and injection molding device, specifically relating to the field of plastic injection molding machine technology. It includes a composite processing mechanism that covers and sleeves the outer wall of the feeding barrel. The composite processing mechanism is a two-part quick-release structure, integrating a segmented heat treatment component and a feeding unblocking component. This plastic injection molding auxiliary unit and injection molding device, through the two-part quick-release composite processing mechanism with its segmented heat treatment component and feeding unblocking component, covers and sleeves the outer wall of the injection molding machine's feeding barrel. This solves the inherent defects of existing injection molding machine barrel heating structure modification costs, poor heating uniformity, serious heat loss, and easy bridging and blockage in the feeding section. It eliminates the need to modify the original barrel, and through rapid installation, segmented uniform heating, and efficient heat retention and energy saving, simultaneously completes anti-bridging and unblocking in the feeding section, significantly improving the stability of the injection molding process and the equipment's universal adaptability.

The present invention relates to a mold tool (for plastic injection molding process comprising a mobile core and a base core of which at least one core configured to move and abut the other, a mold cavity configured to be provided inbetween the mobile core and base core, at least one injection channel for injecting plastic material into the mold cavity.

This invention discloses a novel environmentally friendly injection-molded bathroom vanity mirror box, belonging to the technical field of bathroom vanity mirror boxes. It includes a box body made of environmentally friendly plastic injection molding. A makeup mirror is fixedly connected inside the box body. A second limiting partition is fixedly connected to the bottom of the box body. A third limiting partition is fixedly connected to both ends of the lower surface of the second limiting partition. A first limiting partition is fixedly connected to both ends of the upper surface of the second limiting partition. A purification mechanism is arranged below the second limiting partition. An air inlet hole for supplying air to the purification mechanism is opened on the lower surface of the box body. Several air outlet holes are opened on the top side of the third limiting partition, and several exhaust holes are opened on the bottom side of the box body for exhaust. Through the cooperation of multiple structures, the bathroom vanity mirror box can perform multiple adsorption and purification of odors in the bathroom, enriching the functions of the bathroom vanity mirror box and improving the user experience.

The application relates to the field of imaging technology, in particular to a large-aperture security lens and imaging equipment, the large-aperture security lens comprising: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged in sequence in the direction from the object plane to the image plane; at least five lenses in the seven lenses are plastic aspheric lenses, the first lens, the second lens and the sixth lens are all negative focal length lenses, and the third lens, the fourth lens, the fifth lens and the seventh lens are all positive focal length lenses. The application has good image quality, utilizes the high-efficiency correction of aspheric lenses to single-color aberration and reduces the number of lens pieces, and realizes low-cost, lightweight and batch production by means of a plastic injection molding process; the aberration and the light deflection angle are effectively balanced, the total length is controlled within a small range when the large-aperture lens is formed, the center and edge resolutions can all match the 4K image sensor, and clear imaging of the full field of view is realized.

This utility model discloses a plastic injection molding device that facilitates demolding, relating to the field of injection molds. It includes a mounting base, with a fixed plate vertically fixed to one end of the top of the mounting base. A first mounting plate is slidably mounted on one side of the fixed plate, and a second mounting plate is fixed to the other end of the top of the mounting base. A front mold frame is bolted to the other end of the first mounting plate, and a rear mold frame is bolted to the side of the second mounting plate near the front mold frame. A front molding plate is provided at the mold-closing end of the front mold frame, and a rear molding plate is provided at the mold-closing end of the rear mold frame. Pop-out components are provided at the bottom of the interior of both the front and rear molding plates. A liquid supply component is provided on one side of the top of the mounting base. This utility model is a plastic injection molding device that facilitates demolding by easily assembling and disassembling the front and rear mold frames, ensuring stable mold closure, and enabling cooling and demolding.

The utility model belongs to the technical field of commercial gas stove, especially is a flameout protection device. Including electromagnetic valve flange, thermocouple big insert, the outside of electromagnetic valve flange is set up and with electromagnetic valve flange composition thermocouple positive pole, electromagnetic valve electrode, thermocouple connector, the outside of electromagnetic valve electrode is set up and with its composition thermocouple negative pole, thermocouple round sheath. The utility model sheath elastic buckle and flange expansion section joint direction and connector elastic sheet and sheath expansion section joint direction are opposite, form two-way self-locking reverse buckle, reduced the installation difficulty, and ensured the assembly stability, thermocouple round sheath separates thermocouple positive and negative pole, effectively prevent short circuit, valve seat positioning ensures electrode contact reliability, thermocouple round sheath of plastic injection molding reduces production cost while guaranteeing insulation performance, the whole structure simplifies installation process and improves production efficiency, at the same time, external change is metal piece and can effectively prevent high-temperature melting, and has safety and economy.

The utility model discloses a kind of safety protection devices of plastic injection molding machine, belong to plastic injection molding machine technical field;Including molding machine body, feeding mechanism;The inside one end of molding machine body is equipped with fixed mould, the other end is equipped with the dynamic mould driven by hydraulic rod, the front of molding machine body is equipped with protective door, molding machine body is equipped with the mechanical protection mechanism of fixed dynamic mould position by protective door control, the hydraulic protection mechanism of the hydraulic circuit of interrupting hydraulic press is powered off by electrical protection mechanism of molding machine body, interrupting hydraulic press;By setting mechanical protection mechanism, so that molding machine body when using, open protective door, the position of dynamic mould can be fixed, so that dynamic mould can be mechanically fixed, and then the protection strength of molding machine body is strengthened.

This utility model provides a plastic injection molding device, relating to the field of plastic production technology. It includes a worktable, with a lower mold fixedly installed in the center of the upper surface of the worktable. The lower mold has several molding holes on its bottom surface. A bracket is fixedly installed on the upper surface of the worktable, and a hydraulic cylinder is fixedly installed on the upper surface of the bracket. The output end of the hydraulic cylinder passes through the bracket and is fixedly installed with an upper mold. In this utility model, after the plastic cools, the operator removes the molded part, thus completing the injection molding. After removing the molded part, the operator starts a motor, causing its output shaft to drive a lead screw to rotate. The rotating lead screw moves a slider and a bracket through a threaded connection. The operator then activates a guide rail, causing its moving end to move a right-angle tube. Subsequently, the operator starts an air pump, causing the right-angle tube to spray air and blow out plastic residue inside the molding holes for easy cleaning.

This utility model relates to the field of injection molding machine technology and discloses a plastic production injection molding machine, including a mounting frame. A fixing plate is fixedly installed on the upper end of the mounting frame. A horizontal injection molding machine and a mold are fixedly installed on the surface of the fixing plate. A feeding assembly and a filtering assembly are fixedly installed on the surface of the mounting frame. The feeding assembly includes a plastic storage box fixedly installed on the surface of the mounting frame. A conveying pipe is fixedly installed on the plastic storage box through a pump body. The filtering assembly includes a filter box fixedly installed on the top of the mounting frame and a feed hopper on the top of the horizontal injection molding machine. The plastic storage box stores raw materials. The pump body drives the conveying pipe to feed the raw materials. The conveying pipe passes through the filter box and undergoes two-stage filtration and impurity removal through a first filter plate and a second filter plate inside the box. After purification, the raw materials enter the feed hopper. A spiral heating coil on the inner wall of the feed hopper preheats and softens the raw materials, reducing the main heating load of the horizontal injection molding machine and making the raw materials more uniformly plasticized. Combined with the high-pressure injection of the horizontal injection molding machine, this improves product quality.

The utility model relates to the technical field of plastic injection molding machine discloses a kind of anti-blocking device for plastic injection molding machine, including hopper, anti-blocking component, locking assembly, stirring assembly and discharging component, hopper upper end is inlayed with cover plate, anti-blocking component is installed in hopper lower end, locking assembly is installed in the inside of anti-blocking component, stirring assembly is installed in the inside of hopper, discharging component is installed in the lower end of stirring assembly.The utility model has the following advantages and effects: anti-blocking component is scraped by screw rod and scraper cooperation, the raw material adhered to hopper lower end is scraped, so that raw material is also dropped into melting mechanism, and clean feed inlet can ensure that material smoothly enters melting mechanism, avoid the production problem caused by blockage or uneven feeding, and locking assembly is convenient for disassembling scraper more by installation block and installation groove cooperation, so as to improve the service life of anti-blocking component.

The utility model discloses a steam valve, including the valve body, be equipped with the air inlet portion and the air outlet portion among the valve body, be equipped with the transition opening between two, be equipped with the metal push rod in the transition opening, the one end of metal push rod is close to the air inlet portion and the valve body and bounces the first spring between, be equipped with the first sealing ring on the metal push rod, the first sealing ring is located in the air inlet portion, is used for blocking the transition opening, control switch, push metal push rod to the air inlet portion direction removal, have adopted the mode of metal push rod and can avoid the problem of thermal expansion and cold shrink, secondly adopt the switch mode of non -thread, can avoid the generation of debris, because having adopted the connection mode of non -thread, so the valve body can adopt the plastic injection molding, and the control switch part also can have the plastic injection molding, can greatly reduce the cost.

This invention relates to the field of plastic injection molding technology, specifically to a circulating injection mold based on an in-situ deburring structure for plastics. It includes a frame and a moving mold and a fixed mold mounted on the top of the frame and distributed to the left and right. An injection molding mechanism is installed on the right side of the fixed mold. The mold also includes a deburring mechanism and a circulating mechanism. An ejector rod is installed inside the moving mold. When the moving mold and fixed mold separate, a flipping drive unit drives a rotating plate to flip downwards, causing the die holder to be positioned outside the plastic part. When the ejector rod pushes the plastic part to the right for demolding, the burrs on the edge of the plastic part will sequentially contact the second and first hot-cutting blades. The second hot-cutting blade separates the burrs on the edge of the plastic part, preventing them from merging together. Then, the first hot-cutting blade cuts off the burrs. By treating the burrs during demolding, no additional deburring process is needed, improving the processing efficiency of the plastic part.