2998 results about "Injection molding machine" patented technology

The application belongs to the technical field of injection molding machines, and particularly relates to a vehicle lamp shell integrated injection molding and polishing mold and a variable temperature forming process, which comprises a front mold, a rear mold and a heating module. A forming cavity is formed in the rear mold. A spraying module is arranged in the cavity in a retractable manner. The spraying module is used for spraying a release agent to the inner wall of the cavity. The heating module is arranged in the rear mold. The heating module preheats the rear mold and evaporates the moisture of the release agent sprayed on the inner wall of the cavity. The mold further comprises a ejector pin module. The ejector pin module comprises an ejector pin plate and a plurality of ejector pins connected to the ejector pin plate. The plurality of ejector pins penetrate through the through holes on the rear mold and lead to the cavity. The spraying module is arranged on the front end side wall of the ejector pin. The spraying module sprays the release agent to the inner wall of the cavity when the spraying module retracts into the through hole along with the ejector pin. The mold can avoid the first injection material and the second injection material from being unable to be well bonded due to improper spraying of the release agent, and improve the stability of the injection molded product.

The invention relates to the technical field of injection molding machine hydraulic control, in particular to an injection molding machine hydraulic pump control system and a control method thereof, and aims to solve the problems of high energy consumption, high cost or poor temperature control of a traditional hydraulic scheme. The system comprises a hydraulic oil tank, a driving unit and an oil way control module. The driving unit comprises a driving motor, and a fixed displacement pump and a plurality of swash plate type variable displacement piston pumps which are driven by the driving motor, and swash plates of the variable displacement pumps can be switched between negative and positive angles so as to adjust the displacement or actively suck oil; the oil way control module is provided with a flow collecting valve set capable of switching flow collecting / independent states of oil outlet ways of the constant displacement pump and the variable displacement pump, the integrated cooling unit forms an independent cooling filtering loop, the temperature and pressure adjusting assembly is combined with a temperature sensor to control temperature and adjust pressure, and the pressure limiting protection valve set is connected with the constant displacement pump and the variable displacement pump. And the pressure limiting protection valve is matched with a pressure sensor to realize overpressure protection. According to the invention, cost and energy saving are both considered, precise temperature control and pressure protection are realized, and system stability and plastic part forming precision are improved.

The invention relates to a full-automatic insert injection molding production line and a working method thereof. The full-automatic insert injection molding production line comprises a feeding mechanism, a transfer positioning mechanism is arranged beside the feeding mechanism, and an injection molding machine is arranged beside the transfer positioning mechanism; a first transfer mechanism is arranged between the feeding mechanism and the transfer positioning mechanism, a second transfer mechanism is arranged between the transfer positioning mechanism and the injection molding machine, a discharging conveying belt is arranged beside the second transfer mechanism, and a discharging detection mechanism is arranged at the feeding end of the discharging conveying belt. By arranging the first transfer mechanism, the second transfer mechanism, the feeding mechanism and the transfer positioning mechanism, multiple types of inserts can be supplied to the injection molding machine at the same time, so that full-automatic and high-precision production is achieved, the production efficiency is effectively improved, the production takt is compact, and the production period is shortened; and meanwhile, the transfer positioning mechanism and the second transfer mechanism can accurately position the insert, so that the insert is prevented from deviating when being embedded into the mold, and the yield is improved.

The utility model discloses rotary shuttling transportation mold connecting equipment which comprises a rotating device and a mold, the rotating device is arranged on an injection molding machine, at least one mold lifting and positioning device is arranged on the rotating device, and the mold is arranged on the mold lifting and positioning device and matched with the injection molding machine. According to the rotary shuttling transportation mold connecting equipment, the rotating device is arranged on one side of the injection molding machine, the two molds are installed on the rotating device, the injection molding machine and a worker are located on the corresponding mold sides respectively, and the two molds change positions back and forth on the positions of the injection molding machine and the worker under reciprocating transportation of the rotating device; therefore, when the mold at one end is in corner connection, the mold at the other end is in strip installation, the problem of long waiting time of workers or frequent walking of the workers is avoided, the production efficiency is improved, and the cost of an injection molding machine and the mold can be saved within the same production efficiency of the conventional production mode.

The invention provides an optical silica gel part liquid forming automatic production taking-out device which comprises an injection molding machine rack, a three-plate mold set, a first material taking assembly, a second material taking assembly, a water gap taking and placing assembly, a master control system, a servo drive translation mechanism and a control screen. The three-plate mold set is correspondingly installed in the middle of the injection molding machine rack, and a truss is installed on the injection molding machine rack; the first material taking assembly and the second material taking assembly are installed on the truss and located on the two opposite sides of the three-plate mold set correspondingly, and the water gap taking and placing assembly is installed on the side, close to the first material taking assembly, of the truss. The control screen is installed on the portion, close to one side of the second material taking assembly, of the truss. A servo drive translation mechanism matched with the first material taking assembly and the second material taking assembly is installed above the injection molding machine rack in the length direction of the injection molding machine rack. The production efficiency is improved.

The invention relates to the technical field of injection molding machine control, in particular to a networking injection molding machine servo drive control method. Firstly, a traditional continuous servo driving action is decomposed into a strong operation-weak voltage stabilization alternating unit sequence, and the instantaneous load peak value and the hydraulic pressure fluctuation are reduced. Secondly, product type characteristics are accurately matched based on a process database, action parameters are dynamically adjusted in combination with a multi-objective optimization algorithm, and the product quality consistency is remarkably improved. In addition, energy conservation and consumption reduction are achieved through a first-stage sleep mode and a second-stage sleep mode, a group control optimization mode is used for coordinating actions of multiple injection molding machines, load fluctuation of a workshop power grid is reduced, and the service life of equipment is prolonged. The system also supports real-time monitoring and networking management, constructs intelligent closed-loop control, enhances the production flexibility and the resource utilization rate, and provides an efficient, energy-saving and reliable solution for the injection molding industry.

An injection device (2) of an injection molding machine (1) includes a heating cylinder (18) having a gas introduction port (30) and a screw (19), and a gas supply device (5) is connected to the gas introduction port (30). The gas supply device (5) includes a gas supply source (33) and a gas pressure regulating unit (34). The gas pressure regulating unit (34) regulates a gas pressure and supplies the gas when a gas from the gas supply source (33) is introduced into the gas introduction port (30). Specifically, the gas pressure is caused to change in a molding cycle and is increased to a high pressure in a metering process (61). That is, a pressure increasing period (71) in which the gas pressure increases at least partially overlaps with the metering process (61).

The invention discloses an injection molding device for bottle cap production, and relates to the field of injection molding machines, the injection molding device comprises an injection molding machine tool, the injection molding machine tool is provided with a feeding cylinder, a female die and a male die, the feeding cylinder is connected with a feeding pipe, the feeding pipe is connected to the injection molding machine tool, and the injection molding machine tool is provided with a discharge port. It needs to be explained that when the weight of a produced bottle cap does not reach the standard, a material pushing plate pushes materials to be blocked and retracted by a material carrying plate, then an emergency stop switch is driven to make contact with an adapter plate, and the emergency stop switch is triggered by the adapter plate; when plastic remains on the female die or the male die, the wedge-shaped scraping plate is extruded and retracted, then the trigger frame is pulled to move downwards, and the emergency stop switch is triggered, so that the injection molding machine tool is stopped suddenly, and the subsequent production quality of bottle caps is prevented from being influenced; in addition, when the material pushing plate retracts, the linkage lifting frame drives the material blocking head to block the feeding barrel, and the problem that raw materials are wasted due to the fact that continuous feeding is still conducted when injection molding goes wrong is avoided.

The utility model relates to the technical field of injection molding machine nozzles, in particular to an injection molding machine nozzle with an anti-blocking function. An injection molding machine nozzle with an anti-blocking function comprises a T-shaped pipe, a hollow threaded pipe and the like, the bottom of the T-shaped pipe is fixedly connected with the hollow threaded pipe, and the front side of the upper portion of the T-shaped pipe is fixedly connected with a conical nozzle. The T-shaped pipe is provided with an unblocking assembly used for being inserted into the solidified injection molding raw materials and heating and melting the solidified injection molding raw materials, and the unblocking assembly is provided with an auxiliary assembly. By starting the motor a and the motor b, the motor a pushes the electric heating bar to move forwards through the lead screw, the motor b drives the drill bit to rotate synchronously through the rotating shaft to drill solidified injection molding raw materials, the electric heating bar can be inserted conveniently, and after the electric heating bar is in place, the electric heating bar and the T-shaped electric heating sleeve are started to heat the solidified injection molding raw materials internally and externally at the same time to melt the solidified injection molding raw materials rapidly. The nozzle is effectively prevented from being blocked due to solidification of injection molding raw materials, and smooth injection molding operation is guaranteed.

A foam molding method includes: moving a screw backward to take air into a heating barrel through a nozzle part in a state in which a shut-off nozzle is opened, the shut-off nozzle that opens or closes the nozzle part for injecting the molten resin and is disposed on a heating barrel; closing the shut-off nozzle and moving the screw forward, to diffuse the air taken into the heating barrel, in the molten resin in the heating barrel; feeding the molten resin forward while dispersing the air as the air bubbles in the molten resin by moving the screw backward while rotating it in a state in which the shut-off nozzle is closed; and opening the shut-off nozzle, to inject the molten resin containing the dispersed air bubbles into the cavity.

The invention discloses a forming device of a cable connector. The forming device comprises a workbench; the jig conveying mechanism comprises a jig conveying assembly, a jig backflow assembly, a first jig transferring assembly and a second jig transferring assembly. The jig conveying assembly and the jig backflow assembly are both arranged at the top of the workbench and provided with injection molding body jigs. The first jig transferring assembly and the second jig transferring assembly are both arranged at the top of the workbench and located between the jig conveying assembly and the jig backflow assembly so as to transfer all injection molding body jigs to the jig conveying assembly or the jig backflow assembly; a wire needle assembling mechanism, a first injection molding mechanism, a first waste clamping mechanism, a second injection molding mechanism and a second waste clamping mechanism are sequentially arranged in the injection molding body jig conveying direction of the jig conveying assembly. According to the scheme, a plurality of injection molding body jigs are automatically and circularly conveyed, the production period is shortened, the production continuity is enhanced, and the requirement of large-scale production can be met.

The invention relates to the field of technological parameter monitoring, in particular to a sealing element injection molding machining technological parameter monitoring method and system. The method comprises the following steps: collecting each technological parameter of injection molding processing of the sealing element, and calculating a temperature-pressure cooperation coefficient of each processing period; analyzing the proportion of the difference condition of the process parameters to obtain a change factor of each process parameter, constructing a process change vector, and calculating the process similarity of each processing cycle; the method comprises the following steps of: calculating a coupling stability tensor at each acquisition moment on the basis of a temperature-pressure cooperation coefficient and a process similarity, constructing a coupling deviation degree, modifying a measurement distance in a DBSCAN density clustering algorithm to obtain a clustering result, obtaining abnormal process parameters on the basis of the clustering result, and completing monitoring on the injection molding processing process parameters of the sealing element; the machining process parameter monitoring efficiency is improved, and the monitoring effect is improved.

The invention discloses an electric toothbrush injection molding intelligent monitoring method and system based on sensing feedback, and relates to the technical field of intelligent monitoring. The method comprises the following steps: carrying out node region division on an electric toothbrush injection molding machine to obtain N injection molding process node regions, and deploying a multi-modal sensor group; injection molding process data streams of N nodes are collected and accessed to an RS485 communication network to perform data communication transmission between the multi-mode sensor group and the injection molding control center; the injection molding control center carries out molding prediction simulation and abnormal defect identification, and injection molding abnormal defect parameters are determined; and injection molding self-adaptive monitoring feedback is carried out, injection molding abnormal feedback parameters are obtained, and molding optimization control is carried out. The technical problem that in the prior art, the injection molding quality of the electric toothbrush is unstable is solved, intelligent recognition and self-adaptive feedback control over abnormal molding are achieved by conducting multi-mode sensing monitoring on the injection molding process, and the technical effect of improving the stability of the injection molding quality is achieved.

The invention belongs to the technical field of injection molding machine mold closing systems, and particularly relates to an injection molding machine movable mold plate position control hydraulic system. A movable mold plate position control method is applied to a movable mold plate position control hydraulic system of an injection molding machine and comprises the following steps: a pressure building step: supplying oil to a rod cavity of a pressure oil cylinder, closing a main valve, retracting a piston rod, driving a movable mold plate to move, and entering a pressure maintaining stage after a preset value is reached; oil supply to the rod cavity is stopped, the first electromagnetic reversing valve is controlled to be powered on, oil of the pilot control oil way flows through the liquid resistance network, and pressure is released through the liquid resistance network to guarantee that a valve element of the main valve is stable and free of impact; the piston rod is pulled to extend out, the oil in the rod cavity is decompressed, and oil is supplemented to the rodless cavity; and adjusting the position of the movable template: controlling a reversing valve group to switch on and off an oil path, and enabling the pressure oil cylinder to be in differential connection so as to adjust the position of the movable template.

The invention relates to the technical field of injection molding production and manufacturing, and discloses an injection molding raw material feeding mistake-proofing verification system for a safety system airbag, which comprises a central verification server, an edge computing gateway, an intelligent hopper unit provided with an electromagnetic locking mechanism and a handheld intelligent terminal. The handheld terminal is used for collecting information, and the server verifies order matching and generates an unlocking instruction when the physical position identifiers are consistent and are in a preset time window. The system establishes a virtual session to lock the injection molding machine in a single-batch mode, and the product taking-out manipulator and the label printer are linked in real time through the interlocking control module according to the session state. The algorithm engine module calculates single-mode consumption based on screw metering parameters and melt PVT characteristics so as to invert real-time inventory, and pressure and speed characteristics in the glue injection process are extracted in combination with the rheological analysis module to generate rheological fingerprints for attribute verification. According to the invention, the space-time physical interlocking of the feeding authority, the whole-process batch anchoring and the online closed-loop monitoring of the physical attributes of the raw materials are realized.

This allows for effective utilization of the motor's performance. [Solution] A control device for an injection molding machine according to one embodiment includes a control unit that obtains the current value flowing to a motor provided in the injection molding machine from a detection unit, calculates an integrated value by accumulating the current value detected by the motor for a predetermined time while the injection molding machine is continuously molding a molded product, and stops the molding by the injection molding machine based on the integrated value and a predetermined value, and the control unit further changes the predetermined value while the injection molding machine is continuously molding a molded product.

The invention relates to the technical field of process control, in particular to an injection molding process optimization method and device, computer equipment and a storage medium, and the method comprises the following steps: obtaining stress signals of four tie bars of an injection molding machine, calculating a total mold locking force, and preprocessing the stress signals through temperature compensation and moving average filtering; real-time mold cavity pressure is calculated based on a mold filling stage linear model, a pressure maintaining stage quadratic function model and a cooling stage exponential attenuation model triggered by an injection molding machine control signal; generating a standard curve template with a confidence interval according to the characteristic parameters of the qualified sample, and dynamically updating the standard curve template; and comparing the current pressure curve with a standard template output quality judgment result in real time, and triggering automatic parameter adjustment to form closed-loop control. The device and the method have the effect of solving the problems of high cost, poor compatibility and difficulty in maintenance when the pressure of the die cavity is directly measured.

The invention relates to an injection molding machine self-adaptive machining control method and system based on material characteristics, and relates to the technical field of injection molding machining control. The method comprises the steps that material characteristic data and initial control parameters of injection molding materials produced by an injection molding machine are collected; according to the material characteristic data and the initial control parameters, injection molding machining flash prediction is conducted, and the flash size is obtained; adjusting step length according to the flash size configuration, optimizing the initial control parameters to obtain adjusted control parameters, predicting injection molding processing flash and injection molding short-shot deformation, and obtaining adjusted flash size and adjusted short-shot parameters; injection molding cost parameters and injection molding quality parameters are obtained through calculation according to the adjusted flash size and the adjusted short shot parameters, optimal control parameters are obtained through iterative optimization, and machining control is conducted. The method solves the problems that a traditional machining control method mostly depends on fixed parameter machining, material characteristic fluctuation is difficult to cope with, burrs formed when materials overflow from a mold and product deformation caused by short injection cannot be solved, and the product quality machining precision is insufficient.

The invention discloses an air spring air chamber screw embedding device which comprises a feeding mechanism arranged on one side of a preheating mechanism, and a first transferring mechanism is arranged between the feeding mechanism and the preheating mechanism; the second transferring mechanism is connected to the machine table, and the feeding end of the second transferring mechanism is connected with a coding mechanism. The industrial robot A is arranged on one side of the injection molding machine, and the execution end of the industrial robot A is connected with a second manipulator; the third transfer mechanism is arranged on one side of the second transfer mechanism, an industrial robot B and a detection mechanism are arranged on the two sides of the second transfer mechanism, and the execution end of the industrial robot B is connected with a third manipulator; a fourth mechanical arm is connected to the fourth transferring mechanism, and a weighing mechanism and a discharging mechanism are arranged on the portion, below the fourth transferring mechanism, of the machine table. Compared with the prior art, feeding, preheating, embedding, coding, detecting, weighing and discharging are integrated, time and labor are greatly saved, the working efficiency is improved, and meanwhile the product quality is guaranteed.

The invention relates to a preparation technology of a multifunctional plastic clothes hanger through cooperation of degradable color master batches and nitrogen filling injection molding, and belongs to the technical field of plastic products. Adding the polylactic acid, the styrene-acrylonitrile copolymer, the modified stone powder, the degradable color master batch and the compound additive into a horizontal helical ribbon mixer, stirring and drying to obtain a mixture; the dried mixture is added into an injection molding machine to be melted and plasticized, a screw pushes melt to be injected into a mold, high-pressure nitrogen is injected into the melt, and the melt is pushed to completely fill a cavity; the plastic clothes hanger is obtained through pressure maintaining, cooling and demolding; the compound additive is prepared from allyl alcohol polyoxyethylene ether, 2-octenyl succinic anhydride, 14-mercaptotetradecanoic acid, anhydrous tetrahydrofuran, 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone and triethylamine. The preparation method comprises the following steps: preparing the compound additive; the degradable material is adopted, the biodegradation rate is high, the mechanical property is stable, the coloring effect is good, fading is not prone to occurring, and the service life is long.

The invention discloses a high-pressure and high-ring-steel triangular steady-state steel framework plastic composite pipeline and a manufacturing system and method thereof, and relates to the technical field of steel framework plastic composite pipeline production, the high-pressure and high-ring-steel triangular steady-state steel framework plastic composite pipeline comprises a warp wire arrangement frame, and a weft wire storage rotating seat is arranged on one side of the warp wire arrangement frame; according to the full-automatic injection molding machine for the steel framework, preheating before injection molding of the steel framework is achieved, then the temperature difference between the steel framework and molten plastic is effectively reduced, the temperature difference between the steel framework and the molten plastic is effectively reduced, and the temperature difference between the steel framework and the molten plastic is effectively reduced; the situation that plastic on the outer side of the steel framework is contacted firstly during injection molding of the steel framework and is rapidly cooled and hardened to influence normal flowing of follow-up molten plastic is effectively prevented, and it is ensured that gaps on the outer side of the steel framework can be fully filled with the molten plastic in the injection molding process; the internal defects in the production process of the steel skeleton plastic composite pipe are effectively removed, and the quality of the steel skeleton plastic composite pipe product is further improved.

An operation screen of a magnet clamp is displayed on a controller of an injection molding machine. A mold clamping device of the injection molding machine is provided with the magnet clamp. The operation screen is for controlling the magnet clamp to perform clamping or unclamping of a mold.

The invention provides a temperature control method and system in plastic product processing, and relates to the technical field of plastic processing.The method comprises the steps that an injection molding machine is connected, operation parameters such as injection pressure and speed are obtained, raw material information is combined, a temperature control procedure is set, and an initial temperature control strategy is set; multi-region temperature compensation and energy consumption optimization are realized through edge computing nodes and environment information; and based on the initial strategy, optimizing the temperature gradient, and combining the compensation result to obtain an optimal temperature control strategy. The problems that in the prior art, due to the fact that fine adjustment cannot be conducted according to different raw material characteristics and mold structures, and the environmental adaptability is poor, the processing quality of plastic products is unstable, and the production efficiency is low can be solved. The forming quality of products is improved, the rejection rate is reduced, and the maximization of energy efficiency is achieved.

The invention discloses a rotary table synchronous belt type servo motor driving mechanism and a vertical injection molding machine, the rotary table synchronous belt type servo motor driving mechanism comprises a mold locking unit and a rotary table assembly which are integrally arranged, the mold locking unit comprises a mold plate assembly and a mold locking mechanism, the mold plate assembly is internally provided with a center mold locking machine column coaxial with the center of a rotary table, and the mold locking mechanism is arranged on the rotary table assembly. The rotating disc assembly comprises a rotating disc and an adjustable rotating disc synchronous belt type servo motor driving mechanism for driving the rotating disc to rotate around the central mold locking machine column; and the mold locking mechanism comprises an adjustable mold closing synchronous belt type servo motor driving mechanism and a mold closing screw rod transmission mechanism. A synchronous belt type servo motor is adopted for driving, a lead screw transmission mechanism is matched to achieve cylinder-free driving, oil leakage pollution risks are avoided, high-precision positioning and accurate transmission without sliding can be achieved, a synchronous belt is in flexible transmission, the service life is long, different belt wheels and different synchronous belts can be replaced according to needs, and different rotating speed and torque requirements can be met. Performance of the injection molding machine is improved, production efficiency is high, and stability is good.

The invention discloses an automobile suspension motor shielding sleeve manufacturing method and used injection molding raw materials and an injection mold, after the injection mold is preheated to 200-210 DEG C, glass fibers and PEEK resin raw materials are injected into the mold through an injection molding machine, the front section of a charging barrel of the injection molding machine ranges from 395 DEG C to 400 DEG C, the middle section of the charging barrel of the injection molding machine ranges from 390 DEG C to 395 DEG C, and the rear section of the charging barrel of the injection molding machine ranges from 385 DEG C to 390 DEG C; in the injection stage of the injection molding machine, the injection molding pressure is controlled to be 100-110 MPa, the injection speed is 190-200 mm / s, the dwell pressure is controlled to be 120-130 MPa, the dwell time is 3-5 s, after the dwell is finished, the injection mold is subjected to cooling molding, and a primary product of the automotive suspension motor shielding sleeve is obtained; and then machining the inner hole of the primary product of the shielding sleeve of the automobile suspension motor to a required range. The shielding sleeve of the automobile suspension motor is excellent in shielding performance, high in mechanical strength, long in service life, stable in quality and high in size precision.

The invention relates to the technical field of injection molding machines, and discloses a vertical thermoplastic material injection molding machine and an operation method thereof.The injection molding machine comprises a rack and an operation table, the operation table is installed at the upper end of the rack, and an injection molding mechanism used for processing plastic particle raw materials is installed at the upper end of the rack; a mold mechanism is installed on the operation table and located at the lower end of the injection molding mechanism, a power mechanism is installed at the lower end of the mold mechanism, the mold mechanism comprises an upper mold base and a lower mold base which correspond to each other, the lower mold base is located at the upper end of the rack, and the power mechanism drives the mold mechanism to replace the position and is matched with the injection molding mechanism to complete injection molding operation. According to the injection molding machine, the ejection linkage assembly and the power mechanism are in transmission logic combination, the transmission block is used for pushing the push-out sliding plate to drive the telescopic hinge rod to act, synchronous ejection of the multiple ejection rods is achieved in cooperation with the traction rope and the reset spring, and an independent driving unit does not need to be additionally arranged.

The invention discloses rapid die casting equipment for aluminum alloy die castings, and relates to the technical field of aluminum alloy die casting, the rapid die casting equipment comprises an injection molding support and an injection molding device arranged on the injection molding support, a mold forming part is arranged in the injection molding support, and a driving part used for driving the mold forming part to be opened and closed is further arranged on the injection molding support; the mold forming part comprises a movable mold, a fixed mold, a built-in fixed mold and a built-in movable mold, the built-in fixed mold is arranged at the press-fit end of the movable mold, the built-in movable mold is arranged at the press-fit end of the fixed mold in an attached mode, flow channels are formed in the movable mold and the fixed mold, a vent groove is formed in the built-in movable mold, and the built-in movable mold is arranged in the vent groove. Meanwhile, mechanical ejection and vibration demolding are achieved, the demolding efficiency and the success rate are remarkably improved, pneumatic demolding is achieved, deformation or damage caused by too large local stress can be effectively prevented, and the demolding success rate is greatly increased through the synergistic effect of mechanical vibration and pneumatic stripping.

The invention provides a plastic mold intelligent optimization system and method based on digital twinning. The method comprises the steps that a digital twinning model integrating mold cavity geometry and an injection molding machine hydraulic device is established; time sequence data of cavity pressure and screw movement in the filling and pressure maintaining stage are used as input, and PVT characteristic parameters and melt leading edge viscosity attenuation coefficients of the polymer melt in the current production period are identified and updated on line; on the basis of the PVT characteristic parameters and the melt front edge viscosity attenuation coefficient, predicting and generating a dwell pressure curve required for achieving a predefined cavity pressure balance curve in the next period; in the pressure maintaining stage of the next production cycle, the amplitude of the pressure maintaining pressure curve is adjusted according to the dynamic deviation of the cavity pressure detected in real time and the cavity pressure balance curve, a compensation control signal is output to an injection molding machine executing mechanism, and self-adaptive closed-loop adjustment of the cavity pressure is achieved. Based on the above scheme, feedforward optimization based on material characteristics and feedback control of AI disturbance can be realized.

The utility model provides an assembly with an electronic component. The assembly comprises a coiled material belt, a plurality of reinforcing plates arranged at intervals are arranged on the material belt in the belt-shaped extension direction of the assembly, a circuit structure is fixed to each reinforcing plate, and electronic components are welded to the circuit structures. The assembly is in a strip shape with a plurality of circuit structures and can be conveniently and directly input into an injection molding machine for injection molding, bases can be respectively formed below the circuit structures and the reinforcing plates only through one-time injection molding, the injection molding frequency is low, and the production efficiency can be effectively improved. And then the injection-molded component is divided to form independent electronic components, and the reinforcing plate is arranged in the plastic base of each electronic component, so that the structural strength is high. The base in the electronic component can be used as the base of the voice coil motor, and the electronic component can be a Hall element and the like and is used for realizing the closed loop function of the voice coil motor in the camera module.