235 results about "Plastic injection molding" patented technology

The invention relates to the technical field of plastic injection molding, in particular to a multi-point glue feeding method for a thick-wall light-emitting body of an automobile tail lamp and an injection molding mold, and the method comprises the steps that product parameters are obtained in response to a detection signal, and a correlation coefficient, a guide angle and a reference track are determined according to the product parameters; injecting the magnetic ball and the detection liquid from a pouring gate position at a guide angle based on a track control method, and collecting a moving track; when the moving track does not coincide with the reference track, an adjusting coefficient is determined according to the moving track and the reference track, and the guide angle is corrected; when the moving track coincides with the reference track, defining the guide angle as a target angle; the injection molding angle is determined according to the target angle and the correlation coefficient, molten plastic is injected from the sprue position, and then a connection image of the product is collected; and the injection molding angle is corrected according to the existence condition of the cross color feature in the connection image. The device has the effect of avoiding color crossing of two materials in a product.

The unmanned aerial vehicle comprises the vehicle arm structure, the vehicle arm structure comprises a carbon tube, a hardware sleeve die piece, a first injection molding piece and a second injection molding piece, the carbon tube is combined with the hardware sleeve die piece and the injection molding piece, and the characteristics of light weight and high strength of the carbon tube are utilized; due to the connection stability and the machining flexibility of the hardware sleeve die piece and the injection molding piece, the overall strength and the stability of the arm structure are improved; compared with a pure plastic injection molding process, the requirements for structural design and a mold are relatively low, and the method is suitable for an arm with a certain length; compared with a pure hardware machining process, the cost is lower, and the machining efficiency is higher; and compared with a gluing process, the connection is more stable, and the risk is smaller.

The utility model discloses an automobile plastic part injection molding excess material cutting device which comprises a supporting base, a transverse moving assembly is arranged at the upper end of the supporting base, a radian adjusting assembly is installed on the right side of the transverse moving assembly, a cutting assembly is arranged on the right side of the radian adjusting assembly, and the radian adjusting assembly comprises a supporting shell. Lifting guide columns are fixedly installed on the two sides in the supporting shell, second guide blocks are movably installed on the outer sides of the lifting guide columns, a lifting base is arranged on the right side of the supporting shell, the lower end of the lifting base is fixed to the second guide blocks through bolts, a hydraulic cylinder is installed in the supporting shell, and a hydraulic rod is arranged at the upper end of the hydraulic cylinder. The upper end of the hydraulic rod is connected with the lifting base. In actual use, the radian adjusting assembly ensures the stability and accuracy of the hydraulic cylinder and the hydraulic rod in the lifting process through stable clamping of the lifting guide column and the second guide block on the two sides, shaking and deviation are effectively avoided, and the risk that a plastic part is scratched due to inaccurate positioning is reduced.

The invention discloses a multifunctional earphone storage box and a dual-mode audio system, and belongs to the technical field of intelligent software and hardware equipment.The multifunctional earphone storage box comprises a device product, an array microphone, a built-in banded loudspeaker, an earphone cabin cover, a TWS wireless Bluetooth earphone, a Type-c usb charging port, a liquid crystal display panel and a multifunctional button. According to the mobile phone, the text conversion and translation service is supported, the translated and translated text content can be edited and modified, a user can conveniently manage and utilize recording data, the mobile phone APP supports voiceprint information management, a speaker can be created, modified and deleted, and the mobile phone APP is convenient to use, high in practicability and high in practicability. And meanwhile, a large model conference summary capability is requested from a server, summary summarization and to-be-processed extraction are realized, conference efficiency is improved, the system can be used as a mobile phone loudspeaker and an external microphone after Bluetooth audio connection, and the system is suitable for a remote conference scene and is not limited by third-party conference software or a teleconference.

The invention discloses a particle injection molding machine for plastic recycling, and belongs to the technical field of plastic injection molding machines, the particle injection molding machine for plastic recycling comprises an injection molding machine body, the injection molding machine body comprises a conveying pipe, a feeding port, a spiral conveying roller, a right mold, an electric push rod, a sliding plate, a limiting rod, a left mold, a discharging port and a mixing mechanism arranged on the outer wall of the feeding port; a conveying pipe is fixedly connected to the outer wall of the injection molding machine body, a feeding opening is formed in the outer wall of the conveying pipe, and by arranging a heating box, when plastic raw materials are produced and processed through a control box, the heating and mixing effects of plastic in the control box are improved, and the efficient injection molding effect of the plastic in the injection molding machine is improved; the electric heating wire can be turned on, and the electric fan is turned on, so that heat generated by the electric heating wire is conveyed into the control box from the second air supply outlet, and the effect of fully preheating the raw materials stirred in the control box is achieved.

The invention relates to the technical field of product detection, in particular to a plastic mold production quality detection method and system. The method comprises the following steps: acquiring in-mold pressure data of each cavity of the multi-cavity mold in a plastic injection molding process and mold wall temperature data of a cooling stage; determining a pressure rise acceleration curve based on the in-mold pressure data of each cavity; based on the pressure rising acceleration curve and a preset fluctuation threshold value, a filling fluctuation index of the melt filling stage is determined; based on the mold wall temperature data, a cooling hot spot index of a cooling stage is determined; and comparing the filling fluctuation index with a filling fluctuation threshold value, and comparing the cooling hot spot index with a cooling hot spot threshold value to obtain a detection result of the production quality of the plastic mold. The objective of the invention is to solve the problem of early cracking, deformation or structural failure of a product caused by difficulty in accurately detecting the product produced by a plastic mold in the prior art.

The utility model discloses a waterproof structure of a power inlet end, and particularly relates to the technical field of automobile power distribution unit waterproofing, which comprises a waterproof plastic shell, a power inlet stud is arranged in the waterproof plastic shell, and a conductive bus bar is further arranged in the waterproof plastic shell. A plugging stress part is formed at the joint of the conductive bus bar and the waterproof plastic shell, a U-shaped area is arranged on the surface of the conductive bus bar, and the U-shaped area is arranged in a U-shaped power input mode. According to the utility model, the conductive bus bar is designed to be U-shaped, and the injection molding bonding stroke of the conductive bus bar and plastic is increased, so that the range of a plugging stress part is effectively reduced to the whole stroke of an electricity inlet port and the U-shaped bus bar, the stress caused by vibration or plugging is avoided, and the stress possibility after injection molding of plastic and metal is effectively avoided; and the high-speed increase of the cost is avoided.

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.

The utility model discloses a plastic injection molding machine which comprises an injection molding machine main body, a dyeing mechanism, a conveying mechanism and a controller, the mass sensor can automatically detect the mass of the transparent plastic particles in the cylinder body, the corresponding storage cylinder is automatically opened according to the color ratio, then the stirring piece is started in good time, automatic dyeing of the plastic particles is achieved, the trouble that an injection molding machine needs to dye the plastic particles manually is avoided, and the injection molding efficiency is effectively improved. The discharge part is mounted at the bottom end of the barrel, the conveying mechanism is arranged on one side of the barrel, the discharge part is aligned to the conveying mechanism, and the conveying mechanism is communicated with the injection molding machine main body. And the conveying mechanism can directly feed the plastic particles into the injection molding machine main body, so that the trouble of manually carrying the plastic particles is avoided, and the practical performance is further improved.

The invention relates to the technical field of recycled plastic injection molding equipment, and discloses an injection mold based on a plastic recycling proportion optimization filling structure, the injection mold comprises an operation box, the interior of the operation box is fixedly connected with a fixed mold plate, the fixed mold plate is slidably connected with a movable mold plate through a guide rod arranged on one side of the fixed mold plate, and the injection mold is used for injection molding. The injection mold for optimizing the filling structure based on the plastic recovery ratio can effectively solve the problems that in the prior art, recovered plastic materials are complex in component, come from different products in different fields and are different in melting point, water content, material quality and the like, traditional conveying equipment is difficult to sufficiently and uniformly stir different types of plastics, and the production efficiency is high. The problems that in the prior art, in order to guarantee the quality of produced and processed injection molding finished products, a large number of new plastic particles need to be added when recycled plastic is subjected to injection molding, so that the overall proportion of the recycled plastic is low, the production cost is high, and resource recycling is not facilitated are solved.

The invention discloses integrated injection molding equipment for plastic parts, relates to the technical field of injection molding equipment, and solves the problem that the quality of products after injection molding is affected due to the fact that the uniformity of plastic particle conveying and discharging is difficult to control. The integrated injection molding equipment for the plastic parts comprises an equipment base, the integrated plastic injection molding extrusion mechanism is mounted on one side of the top of the equipment base through screws; the plastic injection mold is mounted on the other side of the top of the equipment base through a screw; the control terminal is mounted at the top of the equipment base through a bracket and is positioned on the side surface of the integrated plastic injection molding extrusion mechanism. According to the plastic part injection molding device, by driving the material returning rod to continuously rotate and reciprocate in the L-shaped pipeline, uniform feeding operation can be achieved, the quality of plastic parts after injection molding is completed is guaranteed, meanwhile, the probability that plastic particles block the interior of the L-shaped pipeline is reduced, and the injection efficiency and effect of the plastic parts are improved.

The present application belongs to the technical field of injection molding, and discloses a non-contact valve needle glue feeding runner structure, which comprises a heating seat, a glue injection hole, a glue injection cavity and a valve needle, wherein the glue injection hole and the glue injection cavity are arranged in the heating seat, the glue injection hole is communicated with the glue injection cavity, a runner separator is arranged in the heating seat, the runner separator is at least partially arranged in the glue injection cavity, at least one runner for the flow of hot molten glue is formed between the runner separator and the glue injection cavity, a valve needle hole is arranged in the runner separator to separate the glue injection cavity and the valve needle, and the heating seat is at least partially tightly combined with the runner separator to enable the heating seat to perform heat transfer on the runner separator. The present application solves the problem of the insufficient improvement of the hot runner structure for the PET plastic injection molding products with a temperature of 280 DEG C or above in the prior art, which leads to the stress line when the valve needle is sealed and contacts the molten glue of the hot runner, and the high waste rate.

The invention provides a manufacturing method of a badminton racket grip, which is used for manufacturing a main body part, a front sleeve and a rear end cover and combining the main body part, the front sleeve and the rear end cover into the badminton racket grip. A main body part is manufactured by adopting a micro-foaming injection process (MuCell), the main body part comprises an inner core and a shell, the inner core is formed by using a first material through the micro-foaming injection process, the shell is formed on the outer side of the inner core through the micro-foaming injection process by using a second material, and then the main body part and the inner core form an integrated structure; according to the method, the problems that pressure maintaining time is needed in a traditional plastic injection molding process, so that the cooling time and the molding period are shortened, center deviation is likely to happen, and the yield is poor can be solved; according to the invention, the injection molding process of two different materials can be completed on the same micro-foaming double-color injection molding machine, the members made of different materials can provide excellent structural strength, enough rigid support can be provided when the grip is swung, and the effects of cushioning, light weight and the like are achieved.

The invention relates to the technical field of plastic injection molding, and discloses an intelligent management and control system for the whole injection molding process of an automotive trim panel, and the system comprises an entropy sensing unit which directly converts the physical pressure pulsation at a nozzle into a simulated entropy voltage signal; the distributed self-balancing execution unit is used for adaptively adjusting process parameters according to the signal and the injection molding initial pressure change rate; the physical collaboration and health diagnosis unit utilizes the same current loop to achieve inter-unit compensation and evaluate the health state of the actuator online, and by establishing direct physical perception on the flow state of the melt, the dependence of a traditional control mode on preset parameters is avoided; and then through analysis of sensing information in different dimensions, automatic adaptation to material changes and online diagnosis of physical health of the system are achieved, and the operation reliability of the injection molding process is improved.

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.

The invention relates to the technical field of computer vision, in particular to a method for automatically identifying and positioning surface defects of a plastic injection molded part, which comprises the following steps of: acquiring a grayscale image of the plastic injection molded part; aiming at any pixel point in the grayscale image, constructing windows with different preset sizes by taking any pixel point as a center, and obtaining a comprehensive importance degree according to a grayscale value difference and a grayscale value correlation degree of the pixel points in each window; establishing a target window, and obtaining the jump degree according to the gray value difference of the pixel points in the target window; according to the comprehensive importance degree and the jump degree, optimizing the initial laplace operator to obtain an optimized laplace operator, and according to the optimized laplace operator, carrying out image enhancement processing on any pixel point; and performing image enhancement processing on each pixel point to obtain an enhanced image, and performing defect detection on the enhanced image to obtain a surface defect area of the plastic injection molding part, so that the accuracy of automatic identification and positioning of the defect area of the injection molding part is improved.

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.

The invention relates to a fan wheel as a component element for an assembly with rotatably movable components, comprising a centrally arranged fan wheel hub and a plurality of fan wheel blades, wherein the fan wheel exhibits an influence on the mass distribution, the influence on the mass distribution being formed by a partial adjustment of the geometry in at least one balancing area of ​​the fan wheel. Furthermore, the invention relates to an assembly with such a fan wheel and to a plastic injection molding process for producing an overmold of a rotor as a first component element for an assembly and for producing a fan wheel as at least a second component element for an assembly.

The utility model belongs to the field of plastic injection molding machine processing, and particularly relates to a drying device for plastic injection molding machine processing, which comprises a base, the top of the base is fixedly connected with a filter assembly, the filter assembly comprises a mounting frame, a collecting frame, a filter plate, a grip, a sliding groove and a sliding block, the inner wall of the mounting frame is provided with the sliding groove, and the collecting frame is fixedly connected with the filter plate. A sliding block is slidably connected into the sliding groove, and a collecting frame is fixedly connected to the outer wall of the sliding block. According to the drying device for processing of the plastic injection molding machine, the effect of filtering plastic is achieved through mutual cooperation of the filtering assemblies, the plastic is placed in the drying box, impurities in the plastic are conveniently filtered through a filtering plate, and therefore the situation that the injection molding effect is affected due to too many impurities in the plastic is avoided as much as possible; and meanwhile, the plastic injection molding quality is improved as much as possible by filtering impurities in the plastic, and the impurities are conveniently collected in a centralized mode by arranging a collecting frame.

The utility model provides an electric vehicle plastic part injection molding process excess material recycling device which comprises an excess material collecting box, a feeding hopper and a filter screen and further comprises a filter screen knocking assembly, the filter screen knocking assembly comprises a knocking shell, a crank connecting shaft and a flywheel, and the knocking shell is in an inverted triangle shape and is fixed to the middle of the bottom end of the filter screen; the flywheel is integrally arranged on the crank connecting shaft, and the flywheel and the crank connecting shaft are distributed in the knocking shell. According to the filter screen knocking assembly, the filter screen knocking assembly comprises a knocking shell, a crank connecting shaft and a flywheel, the knocking shell is in an inverted triangle shape and is fixed to the middle of the bottom end of the filter screen, and the flywheel is integrally arranged on the crank connecting shaft and distributed in the knocking shell together with the crank connecting shaft; the arranged driving mechanism is used for applying power, the crank connecting shaft can be driven to continuously rotate in a reciprocating mode, blockages at meshes of the filter screen can be knocked out, meanwhile, materials located on the filter screen can be better screened, and excessive accumulation is avoided.

The utility model relates to the technical field of plastic injection molding, and discloses an anti-blocking ejection structure for a plastic injection mold, which comprises a base, a support column fixedly mounted at the bottom of the base, a fixed block fixedly mounted at the top of the base, an air cylinder fixedly mounted at the bottom of the base, a chuck fixedly mounted on an output shaft of the air cylinder, and an ejector rod fixedly mounted on the chuck. A fixing plate is fixedly mounted at the top of the fixing block, and a first positioning column and a second positioning column are fixedly mounted at the top of the fixing plate. According to the anti-blocking ejection structure for the plastic injection mold, through the design of the insertion rod, the insertion rod can be located in the fixing plate during normal machining, when blockage occurs, the insertion rod can be pulled out, and then the first insertion groove is cleaned, so that the first insertion groove is smooth, different conditions can be conveniently coped, the situation that an internal runner needs to be heated due to the fact that an inductor is used for heating is avoided, and the production efficiency is improved. In the prior art, energy waste is easily caused, secondary cooling is needed, the practicability is poor, and popularization and use are not convenient.

The invention relates to the technical field of recycled plastic injection molding, and discloses a control method and system for plastic flowerpot injection molding, and the system comprises a recycled material recognition module, a recycled material spectrum module, an injection molding recognition module, an adjustment judgment module and a compensation module. The system calculates a mixed melting behavior index by detecting the component proportion of the reclaimed materials, constructs a reclaimed material variation spectrum in combination with historical batches, and recognizes a characteristic stage in the injection molding process. Based on data such as die cavity pressure, melt temperature, back pressure and screw displacement which are collected in real time, a working condition deviation function is calculated, and a matched regulation and control combination is selected through a multi-parameter weighting function to regulate and control actions. And after injection molding is finished, if the deviation integral exceeds the threshold value, the control model is updated, and a compensation action record is generated. According to the invention, the adaptability and quality control precision of the reclaimed material injection molding process are improved, and the problem of unstable molding caused by physical property fluctuation of the reclaimed material is effectively solved.

The utility model relates to a developing box which comprises a shell, a developing roller and a doctor blade, and the shell is provided with a cavity for accommodating a developing agent. The developing roller is rotatably mounted on the housing, the developing roller including a roller shaft. And the doctor blade is parallel to the developing roller. One end of the box electrode is electrically connected with the doctor blade, and the other end of the box electrode is electrically contacted with the equipment electrode. And a roller shaft of the developing roller is made of an insulating material. According to the developing box disclosed by the utility model, power is supplied to the doctor blade through the box electrode, and the doctor blade is in contact with the surface of the developing roller, so that a developing agent on the surface of the developing roller is charged. Therefore, the roller shaft of the developing roller can be made of insulating materials. The roller shaft of the developing roller is manufactured through plastic injection molding, the production and manufacturing cost of the developing roller and the developing box can be greatly reduced, the electroplating link is omitted, and the environment cannot be polluted. The utility model further relates to the developing roller used in the developing box.

The utility model relates to a plastic injection molding head which comprises a feeding conveying pipe, a material distributing cylinder and an adjusting sleeve, one end of the material distributing cylinder is connected with the feeding conveying pipe, and the other end of the material distributing cylinder is sealed; the adjusting sleeve is rotatably arranged outside the material distributing barrel in a sleeving manner and is in sealing fit with the material distributing barrel, and the adjusting sleeve is connected with a rotation driving mechanism; a vertical first injection molding pipe is arranged at the bottom of the adjusting sleeve, a vertical second injection molding pipe is arranged at the top of the adjusting sleeve, a feeding port is formed in the bottom of the material distributing barrel and communicates with the first injection molding pipe, and a cleaning mechanism is arranged above the second injection molding pipe. According to the injection molding device, the adjusting sleeve can be used for driving the first injection molding pipe and the second injection molding pipe to sequentially move to the injection molding position and the cleaning position, when one injection molding pipe is subjected to injection molding, the other injection molding pipe can be cleaned, the two working procedures are carried out at the same time, and the production efficiency is guaranteed.

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 utility model discloses a stable plastic injection molding integrally-formed chair, and relates to the technical field of plastic chairs. The stable plastic injection molding integrally-formed chair comprises a seat plate, a supporting frame, a split type cushion plate, a sleeve seat and a locking assembly. According to the stable plastic injection molding integrally-formed chair split type cushion plate, different types can be conveniently replaced according to seasons, the sitting feeling requirements of users in different seasons are met, the split type cushion plate is convenient to disassemble and assemble, firm to install and not prone to loosening due to the design of the locking assembly, and the service life of the split type cushion plate is prolonged. Due to the split design and the structural design of the seat plate and the split cushion plate, heat accumulation during sitting can be avoided, and the sitting comfort is improved; the seat plate, the supporting frame and the sleeve seat are of an integrally-formed structure, so that the structure of the whole chair is more stable, the service life of the chair is prolonged, the use safety of the chair is improved, and a convenient, comfortable and stable seat choice is provided for a user.

The utility model provides an injection molding device for a plastic box body, which relates to the field of plastic injection molding and comprises a working platform, the top of the working platform is fixedly connected with a first support, and the top of the first support is fixedly connected with a heating and pushing assembly; raw materials are conveyed through the heat conduction packing auger, the heating module is combined for deep heating from inside to outside, uniform and efficient heating of the plastic raw materials is achieved, and the fluidity of the raw materials is improved. The stable conveying structure guarantees timely and stable raw material conveying, avoids blockage, improves production efficiency, solves the problem of uneven raw material heating and conveying in the prior art, uses a second motor to drive a threaded rod, and through synchronous transmission of a belt pulley and a transmission belt, a compression block and a material injection frame are matched to extrude the raw materials, so that uniform and stable extrusion is guaranteed, and the plastic raw materials are uniformly stressed; the density, strength and appearance precision of the formed plastic box are improved, the higher quality standard is achieved, and the problem that in the prior art, the extrusion forming effect is poor is solved.

The utility model discloses a heat dissipation device, which comprises a shell, the shell is formed by plastic injection molding, two opposite sides of the shell along the height direction are respectively provided with a first cavity and a second cavity, the first cavity is internally provided with an electroplating area, the electroplating area is electroplated with a metal layer, a plurality of components are mounted on the metal layer, and the first cavity and the second cavity are communicated with each other. A circuit is constructed through the metal layer and is used for realizing electric connection among all components; the cooling liquid inlet and the cooling liquid outlet are respectively communicated with the second cavity; and the lower cover plate seals and blocks the second cavity to form a cooling cavity, and the cooling cavity is used for cooling components on the metal layer after the cooling liquid is introduced into the cooling cavity. Therefore, the LED lamp has the advantages of being light in weight and high in forming speed, the manufacturing process and the assembling steps are simplified, and therefore the overall assembling efficiency is improved. And meanwhile, the types of required materials are reduced, and the material cost is effectively reduced.

The invention relates to the technical field of plastic injection molding, in particular to a circulating injection mold based on a plastic burr in-situ treatment structure, which comprises a rack, a movable mold and a fixed mold which are mounted at the top of the rack and are distributed left and right, and further comprises a burr treatment mechanism for treating burrs and a circulating mechanism, and an ejector rod is mounted in the movable mold. When the movable mold and the fixed mold are separated, the overturning driving unit is used for driving the rotating plate to overturn downwards, the tool rest is arranged outside the plastic part in a sleeving mode, and when the ejector rod pushes the plastic part to move rightwards for demolding, burrs on the edge of the plastic part can make contact with the second hot cutter and the first hot cutter in sequence; burrs on the edge of the plastic part are cut through the second hot cutter, the burrs are prevented from being connected into a whole, then the burrs are cut off through the first hot cutter, the burrs are treated in the demolding process, the subsequent additional deburring procedure is not needed, and the machining efficiency of the plastic part is improved.