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3882 results about "Injection molding machine" patented technology

An Injection molding machine, or (Injection moulding machine BrE), also known as an injection press, is a machine for manufacturing plastic products by the injection molding process. It consists of two main parts, an injection unit and a clamping unit.

Multifunctional test tool and method for EUROMAP interface of injection molding machine

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.
Owner:KRAUSSMAFFEI MACHINERY ZHEJIANG CO LTD

Injection molding machine thin-wall product intelligent pressure maintaining control method based on mold pressing feedback

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.
Owner:SHANTOU QIYE INTERNET OF THINGS TECHNOLOGY CO LTD

Liquid silica gel feeding machine with 1: 1 feeding function

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.
Owner:DONGGUAN HUIYING LIUDAO TECH CO LTD

Double-injection rubber-coated product assembled in mold of ultra-thick plastic part cavity structure and production process of double-injection rubber-coated product

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.
Owner:TONGDA SMART TECH (XIAMEN) CO LTD

Closed-loop mold adjustment control system and method for injection molding machine based on multi-sensor fusion and self-adaptive algorithm

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.
Owner:KRAUSSMAFFEI MACHINERY ZHEJIANG CO LTD

Injection molding equipment for plastic toy parts

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.
Owner:DONG GUAN YANG RONG PLASTIC PROD CO LTD

A car lamp shell integrated injection molding and polishing mold and variable temperature forming process

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.
Owner:GUANGZHOU ADVANCE MOLD ENG CO LTD

Hydraulic pump control system of injection molding machine and control method of hydraulic pump control system

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.
Owner:KRAUSSMAFFEI MACHINERY ZHEJIANG CO LTD

Full-automatic insert injection molding production line and working method thereof

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.
Owner:KEBO PLASTIC TECHNOLOGY (WUXI) CO LTD

Intelligent optimization system for technological parameters of injection molding machine based on digital twinning

The invention relates to the technical field of digital twinning, and discloses an intelligent optimization system for process parameters of an injection molding machine based on digital twinning. The system comprises a dual-drive hybrid digital twinborn model building module, a lightweight injection molding operation model generation module, an analogue simulation module, a mismatch identification signal generation module, a multi-round injection molding cycle analogue simulation module and an optimized process parameter generation module, and a dual-drive hybrid digital twinborn model of an injection molding machine is built; carrying out online linear order reduction processing on the dual-drive hybrid digital twin model; controlling the lightweight injection molding operation model to execute high-frequency concurrent analogue simulation; generating a mismatch identification signal of the lightweight injection molding operation model; determining an optimization target of process parameters of the injection molding machine according to the mismatch identification signal, and performing multi-round injection molding cycle analogue simulation on the lightweight injection molding operation model through the optimization target; and screening out optimized process parameters of the injection molding machine based on the global response curved surface. The accuracy of intelligent optimization of the technological parameters of the injection molding machine can be improved.
Owner:HEFEI JIANGHUAI YICHANG AUTOMOTIVE PARTS CO LTD

Rotary shuttling transportation mold connecting equipment

ActiveCN224210414UAvoid waiting timesAvoid the problem of workers moving around frequentlyMachineInjection molding machine
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.
Owner:TAICANG JIUBEN MACHINERY & EMJ TECHNOLOGY CO LTD

Automatic production and take-out device for liquid forming of optical silica gel parts

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.
Owner:YEJIA OPTICAL TECH GUANGDONG CORP

Injection molding device convenient to demould and used for producing automotive interior plastic parts

The invention relates to the technical field of injection molding devices, in particular to a convenient-to-demould injection molding device for producing automotive interior plastic parts, which comprises an injection molding machine body, a cleaning structure, a transmission structure, a sealing structure, a collecting structure, a lubricating structure, a demoulding structure, a movable module, a mould, a sliding seat and a blanking barrel, the sealing structure can relieve sealing of the connecting pipe and seal the discharging barrel, the cleaning structure can clean attachments in the discharging barrel through cooperation of a scraper blade and vacuum, an operator does not need to climb to clean the attachments, the cleaning safety is improved, the transmission structure conveniently drives the connecting frame to slide up and down, the filter screen is shaken, blockage is prevented, and the cleaning efficiency is improved. The demoulding structure is convenient for pushing a plastic part to realize demoulding, the lubricating structure is convenient for lubricating the ejector rod, reducing the abrasion of the ejector rod and ensuring the smooth movement of the ejector rod, and the collecting structure is convenient for collecting cleaning material residues in the collecting box, so that the collecting efficiency is improved, the material treatment is convenient, secondary cleaning is not needed, and the cleaning efficiency is improved.
Owner:CIXI XINTONGDA MOLD

Method for monitoring glue melting state of nozzle of injection molding machine based on machine vision

The invention relates to the field of melt state monitoring, in particular to an injection molding machine nozzle melt state monitoring method based on machine vision, and the method comprises the steps: obtaining an original image of melt at an injection molding machine nozzle, carrying out the preprocessing of the original image, obtaining a gray image and a melt region, and calculating the contour complexity representing the melt form based on the melt region; mapping the melt glue area to the gray level image, and calculating the energy and entropy value of the melt glue area; based on the gray level images of the current frame and the previous frame, the flow velocity fluctuation coefficient of the melt glue area is calculated, and the flow velocity fluctuation coefficient is in positive correlation with the fluctuation of the flow velocity die length of the pixel points; and constructing a feature vector by using the contour complexity, the energy, the entropy value and the flow velocity fluctuation coefficient, and inputting the feature vector into a preset prediction model to obtain a prediction result of the melt state. According to the invention, various types of defects such as caking, bubbles and flow marks can be monitored.
Owner:XIAN WEIER PRECISION TECH CO LTD

Multi-component injection molding machine mold clamping force dynamic cooperative adjusting system and control method

The invention discloses a multi-component injection molding machine mold clamping force dynamic cooperative adjusting system and a control method. The adjusting system comprises a movable mold plate, a fixed mold plate and four tiebars connected between the movable mold plate and the fixed mold plate. One end of each of the four tiebars is connected with an adjusting piece for adjusting the tiebars; the distributed sensor unit comprises strain sensors which are respectively arranged on the surfaces of the four tie bars and is used for monitoring the stretching deformation quantity of each tie bar in real time and converting the deformation quantity into a mold clamping force numerical value; the intelligent executing mechanism comprises mold adjusting servo motors which are arranged on the adjusting pieces of the four tiebars respectively, the mold adjusting servo motors are used for driving the adjusting pieces to rotate so as to adjust the pre-tightening force of the tiebars, and the adjusting precision can reach + / -0.01 mm; and the central controller is in signal connection with the distributed sensor unit and the intelligent execution mechanism, and is used for receiving signals of the strain sensors and controlling the intelligent execution mechanism to cooperatively adjust the mold clamping force of the four tie bars.
Owner:FUQIANGXIN NINGBO MASCH MFG CO LTD

Networking injection molding machine servo drive control method

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.
Owner:ZHEJIANG JINLONG ELECTRICAL MASCH CO LTD

Gas supply device, injection molding machine, and foam molding method

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).
Owner:THE JAPAN STEEL WORKS LTD

Automatic blanking machine of injection molding machine

The invention relates to the technical field of injection molding equipment, and particularly discloses an automatic discharging machine of an injection molding machine, the automatic discharging machine comprises a mounting feeding pipe, a heating cylinder, a control assembly, a driving assembly and an adjusting assembly, the control assembly comprises a control ring and a control panel, a through hole is formed in the control ring in a penetrating manner, and the control ring is located at the communication position of the feeding pipe and the heating cylinder; the driving assembly is connected with the control ring and used for driving the control ring to rotate; the adjusting assembly is matched with the control plate to drive the control plate to move up and down in the feeding pipe; when the through opening corresponds to the feeding pipe, the feeding pipe communicates with the heating cylinder for feeding, after feeding is completed, the driving assembly drives the control ring to rotate, when the control plate rotates to the feeding pipe, the lower end of the feeding pipe is closed, then the adjusting assembly drives the control plate to move upwards to be separated from the control ring, and raw materials in the feeding pipe are pushed into the hopper; the automatic discharging machine of the injection molding machine has the effect of reducing blockage of the feeding pipe.
Owner:WUXI MEIYUE ELECTRIC APPLIANCE CO LTD

Injection molding device for bottle cap production

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.
Owner:LUZHOU QIHANG TECH CO LTD

Nozzle with anti-blocking function for injection molding machine

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.
Owner:NINGBO HUAWEI MASCH CO LTD

Optimized regeneration injection molding system based on plastic part recovery structure

The invention relates to the technical field of plastic recycling and injection molding, in particular to an optimized regeneration injection molding system based on a plastic part recycling structure, which comprises a rack, and an injection molding machine and a forming mold which are mounted at the top of the rack, and the forming mold comprises a movable mold which is mounted at the top of the rack in a left-right sliding manner; a cutting mechanism used for cutting off runner materials is installed on the movable die, and a recycling mechanism used for recycling the runner materials is installed on the machine frame. The reverse driving assembly drives the inner rotating ring and the outer rotating ring to rotate reversely, the inner rotating ring and the outer rotating ring drive the abutting assembly and the cutting assembly to rotate reversely, the cutting assembly conducts cutting from one side of a runner material, meanwhile, the abutting rod abuts against the runner material from the other side of the runner material, the baffle blocks the right side of the runner material, and it is avoided that in the cutting process, the runner material is cut off, and the runner material is cut off. And when the mold is opened, the runner material is separated, so that the processing efficiency of the plastic part is improved.
Owner:GUANGDONG ZHENXIN TECHNOLOGY CO LTD

Cylinder for forming machine

PendingDE112024000911T5Molding machineThermal insulation
With regard to cylinders for molding machines, it is desirable to further reduce power consumption by minimizing energy loss while preventing a reduction in the cylinder body's strength. This cylinder for a molding machine injects a molding material filling a cylinder body from the front end of a flow channel into a metal mold and comprises: the cylinder body, which has a heating area and a cooling area located downstream of the heating area; a thermal insulation element formed in the space extending from the outer circumferential side of the cylinder body in the radial direction of the cylinder body to at least the inner circumferential surface.-surface of the cylinder body, and extends rearward from a position between the area to be heated and the area to be cooled in the axial direction of the cylinder body; and a surface protection layer formed on the inner circumferential surface of the cylinder body and made of a material with high corrosion resistance and / or wear resistance, wherein the thermal insulation part is formed of a material with a relatively low thermal conductivity compared to the cylinder body and the inner circumferential surface of the cylinder body is covered with the surface protection layer or with the surface protection layer and the thermal insulation part.
Owner:FANUC LTD

Foam molding method, control method for injection molding machine for foam molding, and injection molding machine for foam molding

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.
Owner:SHIBAURA MASCH CO LTD

Molding device of cable connector

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.
Owner:KANGHONG (DONGGUAN) MEDICAL WIRE HARNESS TECHNOLOGY CO LTD

Foaming injection molding machine

The invention discloses a foaming injection molding machine, and relates to the technical field of foaming injection molding machines, the foaming injection molding machine comprises a treatment box, a lower mold and an upper mold, the lower mold is fixedly connected to the top of the treatment box, the upper mold is arranged above the lower mold, and a molding mold cavity is arranged between the lower mold and the upper mold; a flowing channel assembly is arranged between the lower die and the upper die and surrounds the outer side of the forming die cavity; a filter screen is obliquely arranged in the treatment box through an elastic assembly, an air bag communicated with the flowing channel assembly is arranged in the treatment box, the bottom end of the air bag abuts against the top of the filter screen, the wall body of the bottom of the air bag is thin, the air bag is communicated with a hose section, and the end, away from the air bag, of the hose section is communicated with a hard pipe section. According to the foaming injection molding machine, by arranging the filter screen, the collecting screen frame, the air bag, the elastic assembly and other structures, the effects of impurity filtering and automatic collecting are achieved, meanwhile, the filter screen can swing up and down, the impurity sliding speed is increased, and the use efficiency of the foaming injection molding machine is improved.
Owner:FUJIAN DONGPU TECH IND CO LTD

Composite material with shielding function, preparation method thereof and interphone shell

The invention discloses a composite material with a shielding function, a preparation method thereof and an interphone shell. The composite material comprises a polycarbonate-acrylonitrile-butadiene-styrene copolymer, a modified conductive filler, maleic anhydride grafted polyethylene, polyaryletherketone, a flame retardant, an antioxidant, glass microfibers and a compatilizer, wherein the modified conductive filler is aluminum oxide ceramic particles subjected to chemical copper plating and graft polymerization treatment. The preparation method comprises the steps of modified conductive filler preparation, step-by-step raw material mixing, twin-screw extrusion granulation and drying. The interphone shell is prepared from the composite material through injection molding, and the injection molding process comprises the steps of raw material drying, injection molding machine preheating, charging and injection molding, and demolding and finishing. The composite material is stable in electromagnetic shielding performance and has good mechanical strength and heat resistance; the preparation method can improve the dispersity of the components and is adaptive to conventional equipment; the interphone shell can block electromagnetic wave interference, is suitable for being used in multiple environments, and meets the requirements of an electronic equipment shell for shielding and structural performance.
Owner:NANAN GAOJIE ELECTRONICS TECH +1

Anti-aging modified plastic and preparation method thereof

The invention relates to the technical field of plastics, and discloses an anti-aging modified plastic and a preparation method thereof.The preparation method comprises the following steps that low-density polyethylene, maleic anhydride grafted polyethylene, an antioxidant 168, calcium stearate, calcium carbonate, 2-(2 '-hydroxy-3', 4 '-dihydroxyphenyl)-1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate and a plasticizer are mixed, stirred and stirred, and The preparation method comprises the following steps: uniformly mixing 4, 5 '-di-tert-butylphenyl)-benzotriazole, quaternary phosphonium salt modified chitosan and modified magnolol in a high-speed mixer, carrying out extrusion granulation in a twin-screw extruder at a blending temperature of 190-195 DEG C and an extrusion temperature of 170-180 DEG C, drying, and carrying out injection molding by an injection molding machine to obtain the anti-aging modified plastic. The anti-aging modified plastic disclosed by the invention has relatively good anti-aging, flame-retardant and antibacterial effects.
Owner:JIANGSU TAIYU NEW MATERIALS CO LTD

An anti-clogging structure for an injection molding machine and the injection molding machine thereof.

This invention relates to the field of injection molding machine technology, specifically to an anti-clogging structure and injection molding machine for an injection molding machine. The structure includes a vertical tube and a pressure relief pipe inserted into the middle of the vertical tube. The vertical tube is fixedly installed inside a conical head. This anti-clogging structure and injection molding machine can lift the end cap upwards when blockage occurs at the end of the barrel, connecting the vertical channel with the axial channel to relieve pressure inside the barrel and prevent blockage, thus avoiding oil leakage or cylinder explosion. When the end cap moves upwards, it pulls the sealing pipe through a connecting ring and a transmission mechanism, opening the guide channel and ensuring that the extruded molten plastic can re-enter the barrel from the end of the guide channel, achieving internal filling of the barrel and ensuring continued operation of the equipment. Simultaneously, to relieve pressure, a locking block supports the bottom of the connecting ring, ensuring that subsequent cylinder extrusion does not require further force to lift the end cap upwards.
Owner:SUZHOU PLASTIC BIOMATERIALS CO LTD

Sealing element injection molding process parameter monitoring method and system

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.
Owner:YIDA AUTOMOTIVE SEALS ARTICLE

Injection molding machine for processing rubber base plate

ActiveCN223478186UProcess engineeringMachine
The utility model discloses an injection molding machine for processing a rubber base plate, which belongs to the technical field of rubber processing equipment and comprises a worktable, a moving module is slidably mounted in the worktable, a fixed seat is fixedly mounted at the top of the moving module, and an injection molding machine body is fixedly mounted at the top of the fixed seat. A first fixing plate and a second fixing plate are fixedly mounted at the top of the workbench, four sets of connecting rods are fixedly mounted between the first fixing plate and the second fixing plate, a moving plate is slidably mounted on the outer sides of the four sets of connecting rods, a mounting seat is fixedly mounted on one side of the moving plate, and a first injection mold is fixedly mounted on one side of the mounting seat. The production efficiency is greatly improved, manual one-by-one operation is not needed, time is saved, the advantages in large-scale production are more obvious, dependence on manual labor is reduced through automatic demolding, the labor intensity is reduced, operators do not need to carry out heavy demolding work, only equipment operation needs to be monitored, and the working comfort degree is improved.
Owner:JIANGYIN XINJIAN RAILWAY FITTINGS CO LTD