9934 results about "Injection molding machine" patented technology

The invention provides an intelligent toy injection molding process optimization method which comprises the following steps: aiming at a key temperature control area, calculating an optimized cooling time value and a cooling water temperature set value through a correlation model of thermodynamic attribute parameters of toy materials, cooling time and cooling water temperature, and issuing the cooling time value and the cooling water temperature set value to an injection molding machine control system, meanwhile, according to the temperature fluctuation amplitude of the key area, the forming pressure value is finely adjusted, so that the temperature fluctuation of the key area is reduced; in the injection molding process, temperature data of multiple positions on the surface of the mold are collected in real time and transmitted to the central processing unit, the central processing unit conducts filtering and denoising on the collected temperature data and then judges whether the temperature data exceed the optimized temperature control range or not, if yes, an alarm mechanism is triggered, and meanwhile operation parameters of the injection molding machine are automatically adjusted. And the time for deviating from the temperature control range is shortened to the minimum.

The invention discloses a method and a system for adjusting process parameters based on historical data, and a storage medium. The method comprises the following steps: constructing an equipment pool and a standard process parameter pool based on production equipment combinations and process parameters corresponding to production of different injection molding products; the production equipment combination comprises an injection molding machine and a plurality of auxiliary equipment; according to the injection molding product type and the key parameters of the injection molding machine to be adjusted, multiple sets of production equipment combinations consistent with the key parameters are selected from the equipment pool to serve as alternatives, and one set of production equipment combinations is recommended to serve as the optimal production equipment combination; and matching the process parameters of the optimal production equipment combination for producing the injection molding product of the type from a standard process parameter pool, and updating the process parameters to the injection molding machine to be adjusted and the auxiliary equipment. The parameter adjusting method does not need complex means such as model building, corresponding equipment and parameters are matched according to historical data, and the parameter adjusting method is simple, rapid and suitable for the field of injection molding.

The invention discloses a self-optimized injection molding prediction and monitoring method. The method comprises a data acquisition module, a data analysis module, a remote monitoring module, an appearance detection module, a fault processing module and a process adjustment module. And the data analysis module trains a process parameter prediction model and a defect prediction model by using historical production data to realize real-time prediction of key process parameters and early warning of defects. And the process adjustment module adaptively optimizes the process parameter setting of the injection molding machine according to the prediction result, so that the stability of the product quality is ensured, and human intervention is reduced. And the remote monitoring module is connected with a smart phone and a PC terminal of a user through the Internet, so that a technician can check the production state at any time and intervene in time when the system cannot be automatically adjusted, long-time shutdown of equipment and damage to the product quality are avoided, and the stability and efficiency of a production line are further improved.

The invention discloses a temperature control system and method for a hot runner of an injection molding machine mold, and the method comprises the steps that the temperature control system collects the temperature data of each region of the hot runner in real time through a temperature sensor, and carries out the adjustment according to the data feedback; a built-in self-adaptive algorithm automatically adjusts a temperature control strategy according to different injection molding materials and production requirements, such as temperature upper limit, temperature lower limit and heating and cooling opportunities, and the production efficiency is optimized; when the system recognizes temperature fluctuation, a heating mode or a cooling mode is automatically switched, and the cooling system is dynamically adjusted for temperature balance; a plurality of temperature sensors are arranged in a key area of the mold for regional monitoring, and temperature control output is adjusted in real time; meanwhile, an embedded learning algorithm gradually optimizes a temperature control strategy according to historical production data, adjusts control parameters, and improves the production precision and efficiency. According to the temperature control system and the temperature control method for the mold hot runner of the injection molding machine, the problems of low temperature control precision, poor energy efficiency and slow response in the prior art are solved, and efficient and intelligent temperature control capability is provided.

The invention relates to the technical field of intelligent control of injection molding machines, in particular to a self-adaptive full-automatic spline injection molding system. Comprising an injection molding data acquisition module, a spline model generation module, a self-adaptive control module, a finished product quality detection module and a monitoring and early warning module. The data acquisition module acquires multi-dimensional data in the injection molding process in real time, the spline model generation module adopts deep learning to construct a nonlinear spline model, and the adaptive control module adjusts equipment parameters in real time based on the model. The finished product quality detection module analyzes quality features such as sizes and defects through machine vision and generates a detection report. And the monitoring and early warning module monitors the running state of the equipment in real time, identifies fault features and provides adjustment suggestions. The spline injection molding process is comprehensively optimized, and the production efficiency, the finished product quality and the safety and reliability of equipment operation are remarkably improved.

The invention provides an injection molding machine mold opening and closing parameter optimization method and system oriented to energy conservation and efficiency improvement, and relates to the technical field of industrial process intelligent control. The method comprises the steps that mold temperature, hydraulic pressure and vibration signals are collected in real time through a multi-source sensor, and a composite optimization target of a dynamic energy consumption coefficient and a process stability index is constructed; an improved multi-target genetic algorithm is adopted to iteratively generate a candidate parameter set meeting energy consumption and stability constraints, and the algorithm fuses hydraulic system safety boundary dynamic constraints and an adaptive variation strategy; a parameter adjustment effect is rehearsed through a digital twin model, and motion track deviation is calibrated online in combination with a recursive least square method, so that parameter dynamic injection is realized; and triggering abnormal working condition recovery and material self-adaptive optimization based on a closed-loop feedback mechanism. The system comprises a multi-source data acquisition module, a composite optimization calculation module, a dynamic parameter injection module and a closed-loop feedback control module, and the real-time performance and generalization ability are improved through an FPGA hardware acceleration optimization engine and a transfer learning algorithm.

The invention discloses an injection molding process fault diagnosis model training method and system based on a large language model and a fault diagnosis method. The model training method comprises the following steps: collecting and cleaning process parameters under the fault working condition of the injection molding machine, converting the process parameters into a natural language text, combining the natural language text with a fault label to construct a textualized data set, and dividing the textualized data set into a training set and a verification set according to a proportion; and in combination with the text data dimension and the fault category number, loading the pre-trained large language model and configuring a diagnosis model structure in a quantitative mode. And inputting the training set into a model to extract semantic features, processing the semantic features by a feature conversion module to generate a high-order feature vector, and inputting a classification head to output a fault category probability. And back propagation is carried out by using a loss function, and model parameters are efficiently and finely tuned in combination with low-rank adaptation and a layered freezing strategy. And repeating training until the performance reaches the standard, and outputting a final diagnosis model. The method is efficient in training, and can effectively reduce the maintenance and use cost of the model.

The invention relates to the technical field of automobile part manufacturing, and provides an automobile plastic part injection molding machine which comprises a left mold and a right mold which are arranged in a matched mode, an exhaust groove is formed in the parting surface of the left mold so as to exhaust gas in a mold cavity during mold closing, a sliding groove communicated with the exhaust groove is formed in the parting surface of the left mold, and the exhaust groove is communicated with the sliding groove. A pressure control plate is slidably connected into the sliding groove and can move in the extending direction from the sliding groove to the exhaust groove to the mold cavity so as to gradually increase the pressure in the mold cavity. The injection mold overcomes the defects in the prior art, is reasonable in design and compact in structure, and after the mold is closed and molten raw materials are injected, the pressure control plate can be pushed into the exhaust groove, so that the pressure in the mold cavity is gradually and uniformly increased, the molten raw materials are promoted to fully flow and fill various tiny corners of the mold cavity, and meanwhile, no bubble and no defect exist in an injection molding part; and therefore, the overall quality and precision of an injection product are remarkably improved.

The invention provides an injection molding machine parameter adjusting method and device, electronic equipment and a storage medium, and belongs to the technical field of injection molding machines. The method comprises the steps that target forming defects of injection molding parts produced by an injection molding machine at the current mold number are determined; determining a to-be-adjusted process parameter set according to defect information of the target forming defect, wherein the defect information comprises a defect type, a defect position and a defect degree; and according to the adjustment priority, adjusting the to-be-adjusted process parameters in the to-be-adjusted process parameter set mold by mold until it is determined that the injection molding part produced by the injection molding machine does not have the target molding defect. According to the method for adjusting the parameters of the injection molding machine, in the process of adjusting the parameters of the injection molding machine, the molding defects of the injection molding part of the previous mold are analyzed to obtain detailed defect information, including the defect type, the defect position and the defect degree, so that the to-be-adjusted process parameters of the next mold are determined according to the defect information; the automatic optimization forming of the process parameters can be realized, and the parameter adjusting efficiency is effectively improved.

The invention relates to the technical field of injection molding machine temperature control, and particularly discloses a real-time temperature control method applied to an injection molding machine, which uses a PID (Proportion Integration Differentiation) controller to carry out temperature control in an injection molding process. Firstly, a target temperature value is set, an automatic tuning algorithm is used for determining a preliminary PI D parameter of a real-time temperature PID controller, then an artificial intelligence technology based on deep learning is used for carrying out time sequence analysis on real-time temperature data in the injection molding process so as to reveal the effectiveness of the current PID parameter on temperature control, and the accuracy of temperature control is improved. Therefore, the self-adaptive optimization of the initial PID parameters is carried out based on the time sequence change mode of the temperature, so that the accuracy and the response speed of temperature control are improved. According to the invention, the temperature change can be quickly responded, and more efficient and more stable temperature management is realized, so that overshoot and oscillation phenomena are reduced, and more stable and accurate temperature control in the injection molding process is ensured.

The invention relates to the technical field of mold injection molding production, and discloses a fault diagnosis and prediction maintenance method and device for an intelligent injection mold, and the method comprises the steps: obtaining an original sound vibration signal and a real-time sound vibration signal; performing signal decomposition operation on the original acoustic vibration signal to obtain an acoustic vibration high-frequency component and an acoustic vibration low-frequency component; performing feature extraction operation on the sound vibration high-frequency component and the sound vibration low-frequency component to obtain a high-frequency feature set and a low-frequency feature set; inputting the high-frequency feature set and the low-frequency feature set into a detection model for model training to obtain an original detection model; inputting data acquired by different injection molding machines and molds into the original detection model for generalization learning to obtain a generalization detection model; and the real-time sound vibration signals are input into the detection model for mold state reasoning, a fault alarm type and a mold fault position are obtained, and fault diagnosis and mold maintenance of the injection mold are conducted according to the fault alarm type and the mold fault position. The method can realize fault diagnosis and maintenance of the injection mold.

The invention relates to a liquid silica gel injection molding process optimization method and system in the field of intelligent manufacturing, and the method comprises the steps: obtaining mold structure data adaptive to a shrinkage rate, combining geometric characteristics of a complex structure product, adopting a topological optimization algorithm to redesign a parting surface and a demolding path, and determining a lossless demolding mold parting scheme; whether the product damage risk is lower than a preset threshold value or not is judged by simulating stress distribution of the demolding path, and if the product damage risk is lower than the threshold value, final mold manufacturing parameters are generated, and an optimized production process configuration file is obtained; extracting production rhythm data from the optimized production process configuration file, dynamically adjusting the operation cycle of the injection molding machine in combination with the demolding efficiency monitored in real time, and determining equipment parameter configuration for efficient mass production; and generating a control instruction sequence according to the equipment parameter configuration, and transmitting the control instruction sequence to the injection molding equipment and the mold heating system through the industrial Internet of Things to obtain operation state data of the automatic production line.

The invention relates to the technical field of deep learning, and discloses an earphone mold injection molding parameter optimization method, device and equipment, and the method comprises the steps: collecting temperature distribution data and mold cavity pressure data in an earphone mold cavity, and carrying out earphone shell injection molding dynamic analysis to obtain an earphone shell material flow curve; carrying out topological characteristic analysis on the earphone shell material flow curve, and constructing an earphone shell injection molding process parameter model; based on the earphone shell injection molding process parameter model, the mold cavity temperature and the mold cavity pressure serve as state variables, the heating power and the injection pressure serve as control variables, and an earphone shell injection molding optimization controller is constructed; the earphone shell injection molding optimization controller is connected with the injection molding machine control system, the heating power and the injection pressure of the earphone mold are adjusted in real time, the optimal technological parameters of the earphone mold are solved, a real-time feedback and parameter fine adjustment mechanism is adopted, the injection molding machine control system can quickly respond to technological fluctuation, and the consistency of product quality is guaranteed.

The utility model discloses a feeding device capable of feeding continuously, which belongs to the technical field of feeding and charging and comprises a feeding hopper, a feeding pipe is mounted on the lower surface of the feeding hopper in a penetrating manner, a plurality of mounting plates are welded on the outer surface of the feeding hopper, mounting bolts are mounted on the mounting plates in a threaded manner, a fixing plate is fixedly mounted on the surface of the feeding hopper, and the fixing plate is fixedly mounted on the lower surface of the feeding hopper. A motor is fixedly mounted on the side surface of the fixed plate; a motor is arranged to be matched with a cam and a disc for use, the disc is matched with a rotating roller and a sliding frame which are eccentrically arranged for use, a sliding rod drives a dredging block to move up and down for dredging, materials can be rapidly input into the injection molding machine through a feeding pipe, and a first sliding plate is driven to drive a blocking plate to move in cooperation with rotation of the cam; the front blocking plate and the rear blocking plate move in a staggered mode, alternate and continuous falling of materials is achieved, the discharging effect of the materials is effectively improved, and the phenomenon that when the materials are added from one direction at a time, accumulation and blocking are prone to occurring is avoided.

The sealing strip automatic cutting and injection molding corner connecting integrated assembly line comprises at least one conveying line, a carrying robot, a strip mounting metal plate, a strip inserting clamp, an injection molding press, an automatic top strip feeding device and an automatic soft strip feeding device, the conveying line is arranged on one side of the injection molding press, and the carrying robot is matched with the conveying line and the injection molding press; an injection molding corner connecting mold is arranged on the injection molding press, the injection molding corner connecting mold comprises a lower mold mechanism and an upper mold mechanism, and the upper mold mechanism is arranged above the lower mold mechanism; the lower die mechanism is provided with a first die cavity and a second die cavity; and the automatic top strip feeding device and the automatic soft strip feeding device are respectively arranged at the top strip feeding part and the soft strip feeding part of the lower die mechanism. Sealing strips are conveyed and alternately circulated through the strip loading metal plate, the strip inserting clamp, the conveying line, the carrying robot, the automatic top strip feeding device, the automatic soft strip feeding device and the like, the production processes are connected in series to form a production line, and the automation level of sealing strip injection molding corner connecting is improved.

The invention relates to the technical field of plastic product processing, and discloses a plastic injection molding machine for plastic product processing and an injection molding method thereof.The plastic injection molding machine comprises a base, an air pressure box is fixedly connected to the side wall of the base, an electric telescopic rod is fixedly connected to the inner wall of the air pressure box, and the electric telescopic rod generates extension force to force a first mold to make contact with a second mold; at the moment, an electric telescopic rod generates contraction force to drive a piston block to move towards the base along the inner wall of an air pressure box, internal air enters a slope pipe through an exhaust groove, along with the first blocking block, the first blocking block drives a fixing block to synchronously move outwards through a first sliding rod, and the fixing block drives one end of a first prying rod to tilt upwards; the rotating blocking block is driven to rotate synchronously with the connecting point as the center, a gap is formed between the rotating blocking block and the air outlet disc, internal air is discharged outwards through the gap between the rotating blocking block and the air outlet disc, a traditional push-out rod is removed through the application of the components, and the outer wall of the material is not prone to deformation or even damage.

The utility model discloses a metal piece hard rubber coating injection molding device with a step-by-step automatic feeding and discharging structure, which comprises an injection molding machine with a turntable, a welding mold, a feeding mechanism, a first grabbing mechanism, a transfer mechanism and a second grabbing mechanism, automatic feeding of metal pieces, discharging of injection molding pieces (including transferring of welding fort molds filled with the metal pieces and the injection molding pieces) and injection molding machining can be conducted synchronously, automatic discharging of the metal pieces is achieved, the trouble of existing manual discharging is avoided, the multiple metal pieces can be fed at the same time, the machining efficiency is improved, and meanwhile the machining cost is reduced. And the situation that the placement position of the metal piece on the lower mold is not accurate easily in the process that the metal piece in the jig is directly grabbed and transferred to the lower mold by a plurality of existing clamping assemblies is avoided, so that the influence on subsequent injection molding machining is prevented, and the situation that the mold is possibly damaged due to the fact that the existing metal piece falls on the lower mold is avoided.

The invention discloses an injection molding machine fault emergency safety protection control system, which belongs to the technical field of fault emergency processing, and comprises a sensor system, an intelligent data analysis module, a self-adaptive emergency control unit, an alarm and display module and a safety protection module. The sensor system collects operation data of key components of the injection molding machine in real time; the intelligent data analysis module performs data analysis and fault diagnosis by using machine learning; the self-adaptive emergency control unit automatically adjusts parameters according to a diagnosis result, and emergently stops or recovers equipment operation; the alarm and display module sends an alarm signal in time and displays related information; the safety protection module guarantees the safety of equipment and personnel through an emergency braking sub-module, a protective fence sub-module, a fire alarm sub-module, a fire extinguishing sub-module and the like. All the modules work cooperatively, faults are effectively monitored and diagnosed, safe and stable operation of the injection molding machine is ensured, the production efficiency is improved, and the occurrence probability of safety accidents is reduced.

The invention relates to the field of industrial automation testing, discloses a multifunctional testing tool and method for an EUROMAP interface of an injection molding machine, and achieves the crossing from single function verification to system-level compliance evaluation. A test network is constructed through a controller, and deep compliance verification, coverage data interaction, exception handling and cross-layer response consistency are realized. The test tool integrates the functions of protocol analysis, signal simulation, fault injection and the like, supports dynamic generation of boundary value test scenes and abnormal injection of signal delay, CRC errors and the like, and verifies the time sequence / logic consistency of a protocol instruction and an execution mechanism response through a hardware-level timestamp alignment technology. According to the method, an evaluation report including compliance rating, fault diagnosis and optimization suggestions is automatically generated, the problems of single coverage dimension, insufficient abnormal simulation, cross-layer verification deficiency and the like of a traditional test are solved, the intelligence and standardization level of the injection molding machine interface test is remarkably improved, and the equipment interconnection and intercommunication performance is guaranteed.

The invention discloses an intelligent pressure maintaining control method for a thin-wall product of an injection molding machine based on mold pressing feedback. The intelligent pressure maintaining control method comprises the following steps: (1) constructing a hardware layer; (2) configuring a software layer; (3) a mold cavity pressure acquisition module acquires original pressure data in the injection mold cavity in real time through a pressure sensor; (4) the data preprocessing module carries out filtering processing on pressure signals generated by the pressure data, and (5) the dynamic pressure maintaining control module dynamically adjusts pressure parameters and pressure maintaining time by receiving the real-time pressure data, product wall thickness parameters, mold structure parameters and injection molding process parameters, generates a pressure maintaining control instruction and sends the pressure maintaining control instruction to an injection molding machine control system; driving the injection molding machine to execute pressure maintaining action; (6) the dynamic pressure maintaining control module associates and stores the pressure change curve and the parameter adjustment record in the pressure maintaining process in a feedback learning module, and optimization calculation is carried out; and (7) the man-machine interaction interface displays the pressure change curve, the pressure maintaining control parameters and the forming state of the injection mold cavity in real time.

The invention discloses a method and system for rapidly adjusting process parameters of injection molding equipment and a storage medium. The method comprises the following steps: constructing an equipment pool and a standard process parameter pool based on production equipment combinations and process parameters corresponding to production of different injection molding products; the production equipment combination comprises an injection molding machine and a plurality of auxiliary equipment; according to the injection molding product type and the key parameters of the injection molding machine to be adjusted, a plurality of groups of production equipment combinations consistent with the key parameters are selected from the equipment pool to serve as alternatives, and at least one group with the maximum reference is recommended to serve as the optimal production equipment combination; and matching the process parameters of the optimal production equipment combination for producing the injection molding product of the type from a standard process parameter pool, and updating the process parameters to the injection molding machine to be adjusted and the auxiliary equipment. The parameter adjusting method does not need complex means such as model building, corresponding equipment and parameters are matched according to historical data, and the parameter adjusting method is simple, rapid and suitable for the field of injection molding.

The invention belongs to the technical field of injection molding equipment, and particularly relates to a resource regeneration injection molding machine for recycling waste plastics and a production method thereof.The resource regeneration injection molding machine comprises an injection molding machine table, an injection molding machine body and a forming mechanism, and an ultrasonic quality inspection mechanism used for detecting the density of molten plastics is arranged at the end, close to the injection molding machine body, of a melt injection pipe; a temperature control assembly is arranged at the end, close to the forming mechanism, of the melt injection pipe, an energy storage and exhaust assembly is arranged at the top of the end, close to the forming mechanism, of the injection molding machine body, and the temperature control assembly and the energy storage and exhaust assembly are matched to be used for regularly exhausting gas in the injection molding machine body. Ultrasonic bubble removing mechanisms used for discharging bubbles in melt are arranged on the surface of the injection molding machine table and located on the two sides of the injection molding machine body. According to the invention, the density change of the melt can be monitored in real time, gas in the injection molding machine body can be periodically discharged by using heat exchange as power, meanwhile, an ultrasonic degassing technology is adopted, and the ultrasonic generator can be prevented from being in a high-temperature state for a long time.

An injection nozzle attachment member for attaching an injection nozzle to a tip end of a heating cylinder, the injection nozzle including a body portion and a flange portion, the injection nozzle attachment member including a male thread formed on an outer peripheral surface of a rear end portion and a flange pressing portion configured to press the flange portion against the heating cylinder. The injection nozzle attachment member has a through hole at an axial center for receiving the body portion. The injection nozzle attachment member is configured such that in a case where the through hole receives the body portion inserted and the male thread is screwed into a female thread formed at a tip end of the heating cylinder for attachment to the heating cylinder, the flange pressing portion presses the flange portion for the attachment of the injection nozzle.

The invention discloses an injection molding machine connected with the tail end of a communication cable, the injection molding machine comprises a base fixedly supported on the ground by an external bracket, the base is fixedly connected with a first mold, one side of the base is fixedly connected with a rectangular frame, and the inner wall of the rectangular frame is movably connected with a sleeve block capable of performing lifting reciprocating motion; the top of the rectangular frame is penetrated and rotationally connected with a threaded rod driven by a power mechanism to rotate, the threaded rod penetrates through a sleeve block and is in threaded connection with the sleeve block, one side of the sleeve block is fixedly connected with a supporting base, and the positions, close to the four corners, of the supporting base are all penetrated and movably connected with lifting rods conducting lifting reciprocating motion. And the bottom of the lifting rod is fixedly connected with a second mold which is closed with the first mold, the second mold is provided with a clamping mechanism for clamping a cable and a traction mechanism for straightening the cable, and the cable injection molding device has the advantages that the cable in the mold is straightened, and the injection molding effect on the cable is improved.

An intermediate mold disposed between a stationary side mold and a movable side mold in a mold unit of an injection molding machine includes: a mold section performing mold opening and closing operations with a facing mold of the stationary side mold and the movable side mold; a rotating frame body rotated together with the mold section by a rotary shaft; a support section supporting both sides of the rotating frame body via shaft bodies; and a rotation drive section transmitting a rotational force to the rotating frame body, in which the mold section and the shaft bodies include a hollow portion that allows a pipe through which a fluid passes or an electrical wire to be disposed, and both end portions of the hollow portion form inlet / outlet ports through which the pipe or the electrical wire can enter and exit in a rotation axis direction of the shaft bodies.

The invention discloses screw type injection molding equipment for injection molding, and relates to the technical field of injection molding devices, the screw type injection molding equipment comprises an injection molding machine and a material pipe, and the top of the material pipe is provided with a conveying mechanism capable of discharging plastic particles; according to the plastic particle stirring device, the spiral blades can do circular motion around the transmission gear through the transmission gear and the connecting plate, dead corners in the charging barrel are reduced, it is ensured that plastic particles in the charging barrel can be fully stirred, meanwhile, through the threaded shape of the spiral blades, the plastic particles can be turned up and down when the spiral blades rotate, and the stirring efficiency is improved. And the plastic particles can be longitudinally shaken while the drying effect of the plastic particles is improved, and the surfaces of the plastic particles are primarily cleaned through shaking.

An injection molding machine according to the present embodiment includes an injecting device and a controlling unit, the injection device being configured to inject a material into molds, the controlling unit being configured to control the injecting device and control, based on a past speed setting of an injection speed set in past and a past speed detection result in a molding cycle performed in advance, an injection speed in an injecting process through which the injecting device injects the material into the molds, the past speed detection result being detected in past by a speed sensor configured to detect the injection speed.

The invention relates to a mold injection molding speed control method, device and equipment, a medium and a program product. The method comprises the following steps: acquiring dynamic behavior information in a mold cavity of the injection mold and screw displacement data of injection molding equipment; carrying out fusion processing on the screw displacement data and the dynamic behavior information to obtain fusion data; inputting the fusion data into a pre-constructed melt front edge prediction model, and generating a target injection molding speed control curve by using preset target molding strategy parameters; wherein the target injection molding speed control curve is used for controlling the injection molding equipment to execute corresponding injection molding speeds in different injection molding stages; the target injection molding speed control curve comprises at least two speed change control sections so as to adapt to mold filling requirements of different stages; and the target injection molding speed control curve is input into an injection molding machine control system, so that the injection molding machine control system executes injection molding action according to the target injection molding speed control curve, and the melt is pushed along the mold cavity. By adopting the method, the accuracy of the forming speed can be improved.

The invention relates to the technical field of injection molding devices, and particularly discloses an injection molding device for seat accessory production, the injection molding device comprises an injection molding machine, a mixing mechanism and a lifting mechanism, the injection molding machine comprises a charging barrel and a hopper, the mixing mechanism comprises a rotating shaft, a stirring rod and a driving structure I, the rotating shaft is longitudinally and movably mounted at the axis of the hopper, and the stirring rod is mounted on the rotating shaft; the lifting mechanism comprises a plurality of baffles, a second driving structure and a third driving structure, the baffles are installed at the lower end of the rotating shaft in the circumferential direction of the rotating shaft, each baffle has an inclined state and a horizontal state, when the baffles are in the inclined state, the hopper is communicated with the feeding port, and when the baffles are in the horizontal state, the hopper is communicated with the discharging port. The lower end of the hopper can be sealed through the multiple baffles, and at the moment, the hopper is not communicated with the feeding port; through state switching and longitudinal movement of the baffle, materials at the lower end of the hopper can be prevented from being melted in advance due to overheating, and meanwhile materials in the middle of the hopper can be preheated in advance.

The invention discloses a convenient-to-feed injection molding machine for rubber product processing, and particularly relates to the technical field of injection molding of injection molding machines, the convenient-to-feed injection molding machine comprises a rack, a model and an injection molding head, the top end of the injection molding head is provided with a feed chute, the feed chute facilitates the feeding operation of rubber products, and a telescopic cylinder is jointly connected between the rack and the injection molding head. A moving assembly is installed between the rack and the injection molding head, and the moving assembly can achieve one-side injection molding and other-side cooling operation between the multiple models and the injection molding head. Through the arrangement of the moving assembly, the model and the injection molding head, rapid feeding operation of materials in the feeding groove can be facilitated, rapid switching between the model and the injection molding head can be achieved, one-side injection molding and other-side cooling operation between the model and the injection molding head are achieved, independent treatment is not needed in each step, circulating operation of different stations is achieved, and the production efficiency is improved. The process does not cause a large amount of time waste, and the model injection molding efficiency of the injection molding machine is improved.