5745 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 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 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 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 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 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.

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.

The high-precision turning, milling and grinding integrated machining special machine for the tail of the screw of the injection molding machine comprises a machine body, and a mechanical arm used for feeding and discharging is installed on the front side of the top of the machine body. Through cooperative use of the moving mechanism, the left end clamping mechanism and the machining mechanism, the two ends of a single-screw rhomboid screw or an auxiliary-screw rhomboid screw can be clamped and fixed no matter the single-screw rhomboid screw or the auxiliary-screw rhomboid screw is machined, the clamping mode does not generate a dead angle area, the traditional mode that clamping is conducted only through the single end is changed, the situation that a workpiece is affected by centrifugal force is avoided, and the machining efficiency is improved. Therefore, the accuracy of thread engraving and milling is improved, waste chips generated by engraving and milling can be collected in the waste collecting box, and the cleanliness of the environment is guaranteed; besides, a storage mechanism and a detection mechanism are arranged for cooperative use, a milling cutter, a grinding head and a drilling head used in the machining process can be automatically replaced, threads on machined workpieces can be detected, substantive improvement is achieved, and the device is beneficial to application and popularization.

The utility model discloses a liquid silica gel feeder with 1: 1 feeding, which comprises a bottom frame, a control box, a first lifting driving mechanism, a first hydraulic feeding mechanism, a second lifting driving mechanism, a second hydraulic feeding mechanism, a feeding mixer, a pressure stabilizing valve and a switch valve, and is reasonable in structural design and small in size, and the occupied space is saved; the first lifting driving mechanism and the second lifting driving mechanism can drive the first hydraulic feeding mechanism and the second hydraulic feeding mechanism to synchronously ascend and descend correspondingly, and the first hydraulic feeding mechanism and the second hydraulic feeding mechanism can inject liquid silica gel in the two material barrels into the feeding mixer according to the proportion of 1: 1. And finally, the switch valve is opened to inject the liquid silica gel into various molding equipment such as an injection molding machine, the operation is stable and reliable, the matching error is small, and the operation is convenient.

The invention relates to the technical field of computer vision, and discloses an engineering plastic production quality detection method and system. According to the method, an engineering plastic surface image sequence on a production line is collected in real time through an industrial camera, and injection molding machine technological parameters are synchronously obtained. And constructing a ViT-Adapter visual feature extraction network based on a multi-scale sliding window, and fusing surface texture features and process parameters. A defect classification model is trained by adopting a combined loss function of improved Focal Loss and comparative learning, zero sample abnormal segmentation is realized based on WinCLIP, and pixel-level positioning of surface bubbles and scratches is realized. And finally, outputting a defect thermodynamic diagram, and carrying out result visualization in linkage with production line parameter self-adjustment. According to the method, the defect detection accuracy and efficiency are improved, automatic adjustment is realized, manual intervention is reduced, and the production quality and the intelligent level are improved.

The invention discloses a double-injection rubber-coated product assembled in a super-thick plastic part cavity structure mold and a production process of the double-injection rubber-coated product. A molten plastic material is injected into a first injection mold cavity through a first gun barrel of a double-injection injection molding machine to form a first injection molding part and a second injection molding part which are integrated; then the six-axis robot is controlled to drive the part taking and mounting tool to move to grab the insert and fix the insert to the second injection molding part, and at the moment, a closed assembly part with a cavity structure is formed between the second injection molding part and the insert; finally, a molten plastic material is injected to the outer surface of the assembly part of the second injection mold through a second gun barrel of the double-injection injection molding machine to form a third injection molding part; according to the technology, the overall weight of a solid structure product can be greatly reduced, the material use is reduced, the material cost is reduced, the product cooling time is shortened through the design of the cavity structure, the production efficiency is improved, and the product defects such as surface shrinkage marks and internal irregular cavities caused by excessive shrinkage of a plastic material in the cooling and curing process are thoroughly eradicated.

The invention relates to the technical field of intelligent control of injection molding machines, in particular to an injection molding machine closed-loop mold adjustment control system and method based on multi-sensor fusion and a self-adaptive algorithm, and the system comprises a sensing layer which adopts a multi-sensor fusion closed-loop feedback architecture and comprises a pressure sensing array, a displacement sensing unit and a temperature sensing array. The data acquisition module is used for synchronously acquiring mold clamping force, position and temperature data of a mold, constructing a three-dimensional error compensation model and realizing dynamic correction of the parallelism of the mold through space force field analysis; the execution layer comprises a servo motor, a belt wheel and a ball screw and is used for adjusting the position of the template; a double-closed-loop control module is arranged in the control layer, the double-closed-loop control module comprises outer ring mold clamping force control and inner ring position control, mold clamping force deviation serves as input of an outer ring, position correction is generated through a self-adaptive PID algorithm, the inner ring converts the position correction into a servo motor rotation angle instruction, and therefore precise control over the mold clamping force is achieved.

The invention relates to a full-automatic feeding and discharging device of an injection molding machine. The full-automatic feeding and discharging device comprises a machine table, a feeding mechanism, an arrangement transfer mechanism, a feeding and discharging mechanical arm and a classification discharging mechanism, the feeding mechanism is used for orderly conveying semi-finished products to the arrangement transfer mechanism; the arrangement transfer mechanism is used for placing semi-finished products in an array manner, and the semi-finished products correspond to array injection molding stations on the injection mold; the loading and unloading manipulator is used for simultaneously placing a plurality of semi-finished products which are arranged on the arrangement transfer mechanism in an injection mold, and simultaneously transferring a plurality of finished products which are arranged in an array in the injection mold and a plurality of injection molding wastes to the classification unloading mechanism for classification unloading and collection; through cooperation of the feeding mechanism, the arrangement transfer mechanism, the feeding and discharging mechanical arm and the classification discharging mechanism, automatic feeding and discharging are achieved, the labor intensity is greatly reduced, and the working efficiency is improved.

The utility model discloses an injection molding machine, which relates to the technical field of injection molding processing devices, and comprises a base, an injection molding structure, an upper mold, a lower mold, a mounting frame fixedly arranged at the upper end of the base, hydraulic rods I arranged in two ends of the mounting frame, a charging barrel positioned between the hydraulic rods I, an injection molding pipe positioned at the lower end of the charging barrel, and an injection molding nozzle positioned at the lower end of the injection molding pipe, an injection molding opening is formed in the upper end of the upper mold; the adjusting structure comprises a motor, a rotating disc located at the upper end of the motor and a second hydraulic rod fixedly arranged at the upper end of the base, an extrusion block is arranged at the upper end of the second hydraulic rod, a top block is arranged on the outer wall of the upper mold, bottom blocks are arranged on the outer wall of the lower mold, and first springs fixedly arranged between the top block and the bottom blocks are arranged; the closing structure comprises an extrusion cone and valve blocks distributed at the upper end of the injection molding opening; according to the injection mold, the injection molding structure and the adjusting structure are utilized, so that the problem that a large amount of injection molding time is occupied during waiting for cooling of liquid materials in the injection mold and manual discharging is solved, and efficient machining of injection molding parts is achieved.

The invention discloses an injection molding machine for a fender of a cab, and belongs to the technical field of plastic injection molding, the injection molding machine comprises a workbench, a support is fixedly mounted on the top wall of the workbench, a lower mold is fixedly mounted on the top wall of the workbench, and an electric push rod is fixedly mounted on the support; an upper mold is fixedly mounted at the output end of the electric push rod, and an exhaust assembly is arranged on the upper mold; the exhaust assembly comprises a pressure relief opening formed in the upper mold. According to the scheme, the pressure relief opening is formed, after raw materials enter the mold cavity, residual airflow in the mold cavity flows to the outside through the pressure relief opening, and after the mold cavity is filled with the raw materials, the buoyancy plate can drive the sealing plate to block the pressure relief opening, so that the situation that bubbles are formed on the surface of a formed part due to unsmooth exhaust is avoided; and the injection molding block can block the injection molding pipe, so that the injection molding pipe is prevented from being adhered with raw materials in the mold cavity to influence the product quality, and the effect of improving the product quality is achieved.

The invention discloses an injection mold with a plastic waste recycling function, relates to the technical field of injection molds, and aims to solve the technical problem that filamentous, drop-shaped or thin-layer-shaped residues cannot be quickly recycled when a nozzle moves back after injection molding is completed. Comprising an injection molding machine tool, an injection molding system, a nozzle, an extrusion mold, a waste cutting mechanism, a guide assembly, a softening assembly and a crushing and recycling assembly. Injection molding cavity sealing and waste automatic cutting are synchronously achieved in the barrel-shaped injection molding part production process, product appearance defects caused by wire drawing or salivation when a nozzle moves back can be avoided, waste residues can be reduced through wrapping type cutting, the purity of recycled materials is improved, immediate closed-loop waste treatment is achieved in cooperation with a smashing and recycling assembly, and the production efficiency is improved. And compared with a traditional manual or simple mechanical cutting mode, the production efficiency and the product forming consistency are improved through automatic control, environmental protection benefits and economic benefits are achieved, and the sealing and recycling requirements of large-batch barrel-shaped product production are met.

The utility model provides a blanking device of an injection molding machine, which comprises a mechanical arm arranged on the outer side of a forming mold of the injection molding machine, a base and a plurality of vibrating pieces, the base is connected to the swing end of the mechanical arm, and a plurality of suction cups and air exhaust assemblies connected with the suction cups are arranged on the side, back on to the mechanical arm, of the base side by side. A plurality of mounting holes are further formed in the base; the multiple vibration pieces are inserted into the mounting holes in a one-to-one correspondence mode, and each vibration piece is used for generating vibration stress and is further in transmission connection with a driving mechanism; when the suction cup sucks the product, the vibration piece can move back to the groove bottom of the mounting hole to be connected with the product so as to transmit vibration stress to the product, and the product vibrates and is separated from the forming mold. According to the discharging device of the injection molding machine, the product can be separated from the forming mold in a vibration mode firstly, then the product is taken down from the forming mold through the mechanical arm, the product is prevented from being damaged when taken out, and the injection molding quality of the product is improved.

An injection molding machine includes an injection device including at least first and second injection units, and one mold clamping device. A molding material is injected into a first cavity space by the first injection unit, and a molding material is injected into a second cavity space by the second injection unit. The injection molding machine further includes a control device controlling the injection device and the mold clamping device, and a storage device storing a set time in advance. The control device starts injection of the second injection unit after elapse of the set time from a predetermined time point. The predetermined time point is a time point at which the first injection unit starts injection or an earlier time point. The set time is a delay time for delaying start of injection of the second injection unit from start of injection of the first injection unit.

The invention relates to a double-side rubber coating mold for double-color injection molding production, and belongs to the technical field of molds, the double-side rubber coating mold comprises a fixed mold and a movable mold which are matched with each other, and a first cavity used for forming a framework and a second cavity used for coating rubber on the formed framework are formed between the fixed mold and the movable mold; the second cavity comprises a positioning cavity for positioning a framework and an end rubber coating cavity which is communicated with the positioning cavity and is used for forming a framework end sealing element; an extension cavity for forming rubber coating connecting layers on the front and back surfaces of the framework is formed at the joint of the end rubber coating cavity and the positioning cavity, and the extension cavity comprises a front surface coating cavity and a back surface coating cavity which are respectively positioned on the sides where the fixed mold and the movable mold are positioned. By adopting the scheme that the first cavity and the second cavity share the same mold, the problems of complex working procedures caused by double molds / double machines of a double-side rubber-coated structure product and resource occupation of an injection molding machine are solved, the development and production cost of the mold can be reduced, and the production efficiency of the product is improved.

The invention discloses a feeding machine for shoes, which comprises a plurality of storage mechanisms which are arranged in one-to-one correspondence to operation stations of workers; the conveying mechanism is arranged to circularly convey along the arrangement path of the storage mechanism in a reciprocating manner; the collecting mechanism is arranged to be conveyed by the conveying mechanism; the first linkage mechanism is arranged to form linkage between each storage mechanism and the corresponding collection mechanism; the storage barrel is used for storing the flash; the second linkage mechanism is arranged to form linkage between the collecting mechanism and the storage barrel; the crusher is arranged to be used for crushing the flash; the first conveying part is arranged to convey the flash in the storage barrel into the crusher; and the second conveying piece is arranged to convey the flash particles crushed by the crusher into an injection molding machine feeding barrel on the disc machine. The flash recovery feeding device has the following advantages and effects that flash recovery feeding of the disc machine can be achieved, so that the workload of workers is reduced, the influence of flash treatment operation on the disc machine is reduced, and the production efficiency of shoe soles is improved.

The invention relates to a gas injection device of a foaming injection molding machine, and belongs to the technical field of injection molding machines. The gas injection device comprises a gas source; a pressure reducing valve; an air inlet one-way valve; injecting air cylinders; a gas injection piston; the connecting rod mechanism is used for connecting the gas injection piston and the injection screw rod; the gas injection head is communicated with the gas storage chamber and the injection charging barrel; the gas injection one-way valve is located between the gas injection head and the gas injection cylinder, and gas in the gas storage chamber enters the injection charging barrel in a one-way mode through the gas injection one-way valve; and when the injection screw retreats in a pre-plasticized mode, the gas injection piston is driven by the connecting rod mechanism to slide in the gas injection cylinder, the volume of the gas storage chamber is compressed, after the gas pressure rises to exceed the melt pressure, the gas injection head is opened, and inert gas enters the injection charging barrel through the gas injection head. The gas injection system is simplified, the gas injection flow and pre-plasticizing of the injection screw are synchronously carried out, and the manufacturing cost of equipment is reduced.

The invention discloses a mold closing driving mechanism and an injection molding machine with the same, relates to the technical field of injection molding machines, and aims to solve the technical problem of high cost of automatic cutting equipment. Comprising a machine tool, a hydraulic transmission system arranged at the top of the machine tool, a mold closing mechanism arranged at the output end of the hydraulic transmission system and provided with a cooling system, a molding assembly and a twisting-off assembly arranged in a machine cover, and a material distributing assembly arranged at the top of the machine tool. According to the mold closing driving mechanism disclosed by the invention, the functions of molding and sprue waste removal are integrated into the molding rod; in a traditional production process, molding and waste removal often need to be operated separately, however, through the ingenious design, after molding is completed, a molding rod can be directly used for treating sprue waste, the conversion time between procedures is shortened, and the production efficiency is greatly improved; compared with traditional automatic cutting equipment, only few structures such as the twisting-removing assembly are added, and cost increase is limited.

The invention belongs to the technical field of injection molding, and discloses plastic toy part injection molding equipment which comprises an injection molding machine barrel used for pushing plastic in a molten state; the mold set comprises a fixed mold plate and a movable mold plate, and the fixed mold plate and the movable mold plate are each provided with a plurality of mold cavities with different sizes and specifications; the guide pipes are mounted on the fixed mold plate, and each guide pipe is connected with one mold cavity; and the inlet ends of the guide pipes are connected to the change-over valve, the change-over valve is used for controlling the inlet end of one guide pipe to be opened, and the injection molding machine barrel pushes plastic into one guide pipe through the change-over valve and is guided into one cavity through the guide pipe. According to the injection molding equipment, the cavities of different specifications are formed in the same mold set, and the conversion valves and the guide pipes are selectively communicated for feeding, so that efficient, flexible and low-cost continuous production of toy parts of various specifications by single injection molding equipment is realized.