667 results about "Plastic molding" patented technology

The invention provides a mold injection control method and device for electric toothbrush plastic molding, and relates to the technical field of plastic injection molding.The method comprises the steps that geometric data of an electric toothbrush and physical performance data of a plastic part are obtained, and an electric toothbrush mold model is initialized; initializing particle swarm parameters, performing material flow path optimization, and performing iteration to obtain an optimized mold model; injection molding simulation is conducted, and mold injection molding performance influence parameters are obtained; constructing an injection molding control strategy library, and performing matching retrieval to obtain a matched injection molding control strategy; selecting interval division is conducted, and a mold injection molding control strategy parameter interval is obtained; constructing a fitness function; global optimization is carried out, target mold injection control strategy parameters are determined, and mold injection control over electric toothbrush plastic forming is carried out. The technical problems that in the prior art, injection molding parameter optimization is always started after mold manufacturing is completed, and control parameters are adjusted through trial and error, so that cost is high, and efficiency is low are solved.

The invention discloses biomass-based water-plastic plastic as well as a water-plastic forming method, preparation and application thereof, the water-plastic plastic is plastic which can be formed and processed only by utilizing water, and the water-plastic forming method mainly comprises the following steps of water treatment, shape editing and shape fixing of the biomass-based water-plastic plastic. According to the scheme, the plastic can be repeatedly edited into various one-dimensional, two-dimensional or three-dimensional shapes, expensive and complex instruments and equipment are not needed, the high-energy-consumption process such as high temperature and high pressure is avoided, the application scene of the plastic is expanded, and the service life of the plastic is prolonged; the method is a plastic molding processing method which is simple to operate, low in energy consumption, low in cost, green, environment-friendly and carbon-reducing. The biomass-based water-plastic plastic is prepared from biomass which is rich in reserves, low in cost, sustainable, renewable, biodegradable and good in biocompatibility, generally has good mechanical properties and transparency, and can be widely applied to various fields.

The invention discloses an anti-blocking self-passing type plastic molding device, which relates to the technical field of plastic product processing, and comprises a base station, a screw conveying component and a mold closing component, and a material pipe is fixedly mounted at a feeding hole in the upper part of the screw conveying component. In the working process of the injection molding machine, the driving motor drives the sliding barrel to rotate, through cooperation of the sliding column and the spiral groove, the pushing disc effectively pushes plastic materials in the material pipe, softening and blocking are avoided, meanwhile, the cutting knife is used for refining material particles, the pushing difficulty is reduced, and the production efficiency is improved; materials are screened through cooperation of screening holes and a blocking plate, large or unqualified materials are removed, it is ensured that the granularity of the raw materials is uniform, in the pushing process, a connecting rod and a sealing plate are matched, the interior of a material pipe is sealed after pushing is completed, the material pressure at the screening holes is increased through the double effects of sealing and extruding, and material circulation is promoted; the screening stability and the production quality are improved, and the finished product quality of plastic products is guaranteed.

The invention discloses a plastic forming device and a plastic forming method.The plastic forming device comprises a device base, a fixed mold, a movable mold and an injection molding mechanism, the fixed mold and the movable mold are closed to form a forming cavity, an injection molding pipeline A is arranged on the side, away from the movable mold, of the fixed mold, and an adding mechanism is arranged in the fixed mold and comprises a sealing material box, a release agent pipeline and a material supplementing material box; and the injection molding mechanism comprises an injection molding pipeline B, mold locking mechanisms are symmetrically arranged outside the device base, each mold locking mechanism comprises a locking block, and a fixed mold ejector rod set and a movable mold ejector rod set are arranged in the fixed mold and the movable mold correspondingly. A release agent can be automatically added into the forming cavity before injection molding, so that the demolding resistance is reduced, and workpiece damage caused by subsequent demolding is avoided; the two locking blocks can be locked on the outer side of the movable mold in the mold closing state in a sliding mode, so that the phenomenon that flashes are generated on a product due to seam expansion of the mold in the mold closing state is avoided, and automatic demolding can be conducted in the mold opening process.

The invention relates to the technical field of molds, and discloses a plastic forming mold adhesion waste recycling device which comprises a supporting frame arranged in injection molding equipment. The supporting frame is rotationally connected with a rotating frame through a bearing seat arranged at the top of the supporting frame, four mold assemblies are arranged on the outer side of the rotating frame and are distributed in a circumferential array mode along the center of the rotating frame, and cleaning pieces used for cleaning waste materials are arranged in the mold assemblies. The recycling device for the waste adhered to the plastic forming mold can effectively solve the problems that in the prior art, when mold flashes are cleaned, parting surface flashes are usually manually cleaned through a manual scraper or a tool, the cleaning consumed time accounts for the high proportion of the production cycle, the equipment utilization rate is affected, the cleaning effect is affected by the skill level of operators, and the working efficiency is low. And the residual flash can cause the defects of product burrs, dimensional deviation and the like due to untight subsequent die assembly.

The invention belongs to the field of foamed plastic molding, and provides a foamed polymer preparation device which comprises a mold, a pipeline is connected to the mold, the pipeline is configured to introduce foamed particles, steam and a cooling medium into the mold and discharge gas / condensate water from the mold, and a valve is arranged in the pipeline; wherein the foaming particles are formed by pre-foaming a raw material containing a physical foaming agent; the temperature sensor is configured to measure the temperature of more than one position in the mold and / or the pipeline; the pressure sensor is configured to measure the pressure of more than one position in the mold and / or the pipeline; the image acquisition mechanism is configured to shoot the interior of the mold to judge the fusion state of the foaming particles; and the controller is configured to receive data of the temperature sensor, the pressure sensor and the image acquisition mechanism and generate an instruction for opening / closing the valve, and a calculation unit is further arranged in the controller. The invention also provides a corresponding preparation method of the foamed polymer. And the technological process can be controlled more accurately and automatically.

The invention discloses a dry powder inhaler shell forming mold with a strength detection function, and relates to the technical field of plastic molding.The dry powder inhaler shell forming mold comprises a control system, a feeding system, a screw type conveying system and a rack, a melting barrel is installed on the rack, a forming assembly is installed below the melting barrel, and a detection assembly is installed on one side of the forming assembly; a driving motor is mounted in the melting cylinder, a feeding pipe is connected to the upper end of the melting cylinder, a discharging pipe is connected to the lower end of the melting cylinder, a coil A is arranged on the outer side of the sleeve, the feeding pipe is connected with the feeding system, and the discharging pipe, the screw type conveying system and the forming assembly are connected in series through a pipeline; a spiral cylinder and a conical tray are mounted in the melting cylinder, a sieve plate B is mounted on the outer side of the conical tray, a spiral sheet is arranged on the outer side of the cylinder, and a coil B and a permanent magnet are mounted in the cylinder; the conical tray is matched with the permanent magnet through the coil B to realize vibration and scattering of plastic particles, and the spiral sheet is matched with the coil A to heat the plastic particles and convey the heated plastic particles.

A motor-vehicle interior component includes a decorative panel formed by a shaped body of plastic material, having a visible surface at least partially transparent to light, the back of which is associated with a support layer having on a first face facing the visible surface a first aesthetic pattern, and on a second opposite face a second aesthetic pattern. The component also includes backlighting means associated with the back of the decorative panel, which can be activated to illuminate said second aesthetic pattern.

The invention relates to the technical field of mold ejection, and discloses a using method of a mold stripping ejection structure for a plastic forming mold, the mold stripping ejection structure comprises a fixed base, the two sides of the top of the fixed base are fixedly connected with fixed baffles correspondingly, the tops of the fixed baffles are fixedly connected with a first connecting frame, and the top of the first connecting frame is movably connected with a second connecting frame; the top of the second connecting frame is movably connected with a third connecting frame, when a mold is manufactured, an inverted buckle structure opposite to the mold opening direction is avoided as much as possible, and if the inverted buckle structure cannot be avoided, other design modes such as changing an inverted buckle into a slope structure can be considered, so that demolding can be smoothly performed during mold opening, and a simple product shape is designed; according to the invention, complex curved surfaces and corners are reduced, so that the mold manufacturing difficulty can be reduced, zero-degree mold stripping can be realized, a proper parting surface position can be selected, products can be smoothly separated during mold opening, the parting surface is selected at the maximum outline of the products as much as possible, and complex parting surface shapes are avoided.

The invention relates to the technical field of plastic molding and treatment, and discloses a molding processing and post-treatment process of low-odor plastic, which comprises the following steps: extruding a plastic melt containing volatile components into a to-be-cut material strip, pelletizing in a pelletizing area by using a pelletizing device, and synchronously adjusting the pulse spraying frequency to adapt to the pelletizing frequency, an alternating stress field is induced on the surface layer of a material strip through periodic cold impact and mechanical vibration, a micro-crack structure is formed on the surface layer of plastic particles by controlling the particle size of atomized liquid drops, an exhaust channel for volatile component escape is constructed, and then the plastic particles are conveyed to post-treatment equipment for volatile component removal. A solid diffusion process blocked by a skin layer is converted into a physical inrush flow along a microcrack channel, so that a mass transfer energy barrier is reduced, efficient removal of peculiar smell components is realized, and thermal degradation and yellowing of particles are avoided.

The invention relates to injection molding shoe processing equipment and a processing method thereof, and belongs to the technical field of plastic molding.The injection molding shoe processing equipment comprises an injection molding system, a rack, a fixed mold system, a movable mold system, a robot demolding system and a finished product conveying system; the motion trail of the robot demolding system passes through the space between the fixed mold system and the movable mold system, the movable mold system and the injection molding system are both installed on the rack in a sliding mode, the fixed mold system is installed on the rack, the finished product conveying system is installed on the rack, and a bending adsorption device is installed at the output end of the robot demolding system. The bending adsorption device has a bending state and a straight state, and the bending adsorption device extends between the fixed mold system and the movable mold system, so that demolding can be performed smoothly.

The invention discloses a hot runner mold, relates to the technical field of plastic forming molds, and solves the technical problems that a mold core of a traditional hot runner mold is mostly rigidly connected with a mold frame through a bolt and is not easy to replace, mother liquor is easy to remain on the inner wall of a hot runner, a large amount of machine washing materials are needed for washing when materials or colors are replaced, the demolding precision is low, and workpieces are easy to damage. A movable mold assembly is arranged on the right side of the fixed mold assembly, and mold core fixing mechanisms are arranged on the inner side of the fixed mold assembly and the inner side of the movable mold assembly. Through cooperative work of the mechanisms, a mold core fixing structure, a hot runner cleaning mechanism and demolding linkage are optimized, the mold is convenient to disassemble and assemble, and a mold core can be rapidly replaced to adapt to multi-specification production; the hot runner system is uniform in heating, clean, efficient and capable of rapidly switching materials or colors; the demolding is automatic and accurate, and the efficiency is improved; wire harness management is standard, and operation is stable; the structure is stable, the forming quality is guaranteed, the overall cost is reduced, efficient injection molding and demolding circulation are achieved, and the production efficiency is improved.

An injection molding apparatus for producing a plastics molding comprising a first component, a second component, and a third component comprises a first mold plate having at least 3 first mold nests, and a second mold plate having at least 3 second mold nests. In the closed state, the mold plates cooperate in the production of the plastics mold. In the opened state, the second mold plate is rotatable relative to the first mold plate. The at least 3 second mold nests comprise, in a case A), at least two second mold nests for injection molding the first component, and at least one second mold nest for injection molding the third component, or, in a case B), at least two second mold nests for injection molding the second component, and at least one second mold nest for injection molding the first component.

The invention relates to the technical field of plastic forming, and particularly discloses a forming mold for processing an ultrahigh polyethylene wear-resistant pipe based on a pipeline compensator lining, which comprises a base, a lower mold and an upper mold, and further comprises an inner core which is in the shape of a hollow cylinder and is arranged in a mold cavity, and the end cover is sleeved on the outer wall of the inner core. The upper mold is moved upwards, then the lifting seat is moved upwards, the inner core drives the lining to ascend, the bottom of the cured lining is separated from the lower mold, and finally the drawing rod, the inner core and the end cover are driven to move outwards through the second telescopic part and the third telescopic part to take out the lining. And finally, the lining is pulled outwards while rotating from the outer wall of the inner core to complete demolding, compared with a demolding mode in the prior art, the demolding mode is faster, and the lining is not prone to deformation during demolding.

The invention discloses temperature control type injection molding equipment and method for thin-wall plastic parts, and relates to the technical field of plastic molding device.The temperature control type injection molding equipment comprises an injection molding mechanism, a movable mold mechanism is installed on the top of the injection molding mechanism, and an inflation assembly, an ejection assembly and a plugging assembly are installed on the front side of the movable mold mechanism from inside to outside; the movable mold mechanism comprises a movable mold, and a forming cavity is formed in the rear side of the movable mold. The device is reasonable in structural design, the thin-wall plastic part is flexibly extruded to shake through the airflow impact effect, then the thin-wall plastic part is ejected out through a traditional ejector pin, opening and closing of airflow and a path are automatically completed through a specially-designed plugging assembly, it is guaranteed that the airflow is smooth in the demolding process, and the integrity of a forming cavity in the injection molding process is also guaranteed; the whole process can be automatically completed without redundant driving parts, the problem that thin-wall plastic parts are prone to damage in the ejection and demolding process is solved, and the market competitiveness of products is improved.

The invention relates to the field of plastic forming, in particular to a centralized feeding and gas supply collaborative plastic forming system which comprises a hopper, a drying machine, a weighing machine and an extruding machine which are sequentially connected in a sealed mode. The air supply pipeline is respectively connected with the hopper and the stirrer so as to introduce high-pressure hot airflow; the stirrer is connected with the material returning and feeding pipeline and the material conveying pipeline, the material returning and feeding pipeline is connected with the weighing device through the vacuum pump, and the material conveying pipeline is connected with the hopper and used for circulating the plastic raw materials supplied in a centralized mode; and the central controller is used for carrying out material supply and gas supply cooperative control on the extruder through an SAC reinforcement learning model so as to control the drying quality of a plastic molding product and the material returning amount of the material returning and feeding pipeline. According to the invention, material supply and gas supply in the hopper, the drying machine and the weighing machine are cooperatively blended, so that the material supply quality of the extruder is ensured, and the reliable quality of a plastic molded product is ensured.

The invention relates to the technical field of plastic forming, and discloses a punch forming device and a machining method for forming a bracket of an orthodontic appliance, the punch forming device comprises a punching machine frame, a punching set and a part conveying set are arranged in the punching machine frame, the punching set comprises a first-stage punching device and a second-stage punching device, and the part conveying set comprises a plurality of fixing devices; a rectangular machine frame is rotationally connected into the punching machine frame through a bearing, a driving source is installed on the punching machine frame, and the fixing equipment comprises a clamping assembly, a rotating assembly and a moving assembly. The clamping assembly comprises four clamping blocks and a transmission part, and the rotating assembly comprises two clamping plates. The multiple fixing devices are driven by the driving source to rotate at the same time, in the process that the driving source drives the fixing devices to move from the first-stage stamping device to the second-stage stamping device, the workpiece is driven by the rotating assembly to turn over, so that the two sides of the workpiece are machined, and the problems that the size of a bracket base is too small, and after one face is machined, the workpiece cannot be machined are solved. And the substrate is difficult to turn over quickly and the other surface of the substrate is difficult to process.

The invention relates to a mixing conveyor for an injection molding system, in particular a thixomolding injection molding system, or the like for conveying a granule-powder mixture, comprising the following:a mixing container (10), with at least one feed (11, 13) for granular material (12) and / or powdery material (14); andat least one mixing device (13a, 13b, 13c, 13d) which is designed to mix the granular material (12) and the powdery material (14) to form a granule-powder mixture; anda mixing container outlet (15), which can be arranged in particular in the vicinity of a melting area (51) of the injection molding system (50) or the like, and is designed to discharge the granule-powder mixture or to feed it to the injection molding system (50) or the like for at least partial melting.

The invention discloses a PVC (polyvinyl chloride) film plastic uptake process. The PVC film plastic uptake process comprises the following steps: S1, preparing materials; s2, preheating treatment; s3, carrying out plastic molding; s4, demolding is conducted; s5, carrying out post-treatment; wherein in the step S4, the vacuum pump is turned off, the blister product is conveyed to the discharging end of the blister device through the blister device, then the blister product is discharged to an external storage area through the discharging device, and then appearance and performance testing is conducted on the blister product. In the step S4, after the vacuum pump is turned off, the blister products are conveyed to the second conveying belt through the first conveying belt for subsequent conveying, then the second conveying belt conveys the blister products to the bottom side of the material taking end of the material taking assembly, the material taking assembly grabs the blister products, and then the blister products are conveyed to the bottom side of the material taking end of the material taking assembly. And the blister products output to the surface of the second conveying belt by the first conveying belt are sequentially stacked, so that stacking and batch discharging of the blister products are achieved, the space utilization rate of the blister products is improved, and meanwhile the discharging efficiency is improved.

The invention discloses an engineering plastic forming device and method, and relates to the field of engineering plastic production.The engineering plastic forming device comprises a device main board, a shaping shell is arranged above the device main board, a shaping device is movably arranged in the shaping shell, and a mold recycling device is arranged at one end of the shaping shell; the shaping device comprises an upper forming mold and a lower forming mold, a second opening matched with the upper forming mold is formed in the shaping shell, and a first opening matched with the lower forming mold is formed in the shaping shell. Through the arrangement of the pair of openings, the plastic mold block is installed in the plastic shell, then plastic raw materials are conveyed into the forming mold through the injection molding opening, shaping is completed, then the forming mold is driven to move through the driving piece, then different molds are jacked upwards through the top plate, the molds are made to move to the openings, and the mold blocks are fixed. And at the moment, the forming mold is jacked into the molding shell through the jacking and pressing plate, injection molding operation is repeated, and rapid production and automatic production of plastic parts are achieved.

The invention relates to the technical field of plastic molding processes, and discloses a negative pressure injection molding plastic molding method and device. The method comprises the steps that in the negative pressure injection molding process, gas parameter data of a plurality of monitoring points in a mold cavity are obtained in real time; based on the change of the gas parameter data of each monitoring point, identifying the state of the gas pushed by the melt, and determining the propulsion path of the melt flowing front edge in the cavity; according to the propelling path, the melt filling progress and the filling time sequence of all areas in the cavity are calculated; and based on the filling progress and the filling time sequence, generating evaluation information of the filling state of the melt in the cavity. According to the method, the real-time visual prediction of the melt filling process in the mold is realized, and the control accuracy of the negative pressure injection molding process and the stability of the product quality are improved.

The invention provides bottle blowing equipment, and relates to the technical field of plastic molding, the bottle blowing equipment comprises a mold mechanism, the mold mechanism comprises five modules, the spacing distance between the modules is adjustable, a plurality of half mold bins are arranged on the adjacent side faces of the modules in an array mode, and half bottle necks are formed in the upper ends of the half mold bins; the bottle placing mechanism comprises four rows of bottle placing pipes which are located above the first mold block and arrayed in the width direction of the first mold block and multiple columns of bottle placing pipes arrayed in the length direction of the first mold block, and the bottle placing pipes are movably arranged in the length direction; and the inflation mechanism comprises inflation pipes matched with the bottle placing pipes in number, the inflation pipes are arranged on the same sides of the bottle placing pipes in parallel at intervals in a one-to-one correspondence mode in the length direction, are fixed at intervals and are matched with one another, the inflation pipes are movably arranged in the axial direction of the inflation pipes, and the lower ends of the inflation pipes are connected with matching heads used for being matched with the upper ends of the bottle blanks. The bottle blowing efficiency and the bottle blowing quality can be improved, the maintenance difficulty of the mold driving structure is reduced, the occupied area is small, and high practicability is achieved.

The invention belongs to the field of molding and connection of plastics, and provides a fiber reinforced composite material ultrasonic welding method and a variable flexibility energy conducting rib, which comprises the following steps of: adopting a thermoplastic hollow grid as the variable flexibility energy conducting rib for ultrasonic welding; the density of openings of the thermoplastic hollow grids is changed in a gradient manner from a central area to an edge area; the flexibility-variable energy-conducting rib is fixed above a to-be-welded area of the to-be-welded thermoplastic composite lower workpiece and abuts against the welding face of the to-be-welded thermoplastic composite upper workpiece; and carrying out ultrasonic welding on the thermoplastic composite material to be welded. Uniformity of heat production, melt flow and temperature distribution of a welding interface in the ultrasonic welding process is achieved, and the forming efficiency, quality and connection strength of a welding head are remarkably improved. The problems that in the thermoplastic composite material ultrasonic welding process, heat is generated on the welding face, and temperature distribution is uneven, so that a welding head is locally overheated and decomposed or is not welded are solved.

The invention discloses a hollow plastic forming blank wall thickness automatic control method which comprises the following steps: presetting a to-be-formed blank wall thickness parameter and a forming equipment parameter, and establishing a parison wall thickness optimization mathematical model according to a nonlinear PID (Proportion Integration Differentiation) operation method; obtaining an optimal die gap curve according to the parison wall thickness optimization mathematical model; parison wall thickness control parameters are obtained according to the mouth mold gap curve; and setting the blank wall thickness control parameters to control forming equipment to process the hollow plastic forming blank. An intelligent nonlinear PID control method is introduced through a mathematical model of PLC control software, the large inertia and hysteresis of electro-hydraulic servo are effectively overcome, a closed-loop control system for setting, detection and feedback is rapidly and accurately achieved, and the requirement for parison wall thickness control of hollow plastic forming equipment is met.

The invention relates to the technical field of plastic molding, in particular to a plastic pad extrusion molding cooling device which comprises a vertical frame, a fixed cylinder, a roller, a spiral sleeve and a detection assembly. The roller is divided into a plurality of cooling cavities for independently supplying water, water is supplied to the cooling cavities at the same time, the problem of uneven cooling caused by water flowing is solved, the spiral sleeve forcibly cools water to form turbulent flow, and compared with smooth laminar heat exchange, the cooling efficiency is improved, and the service life of the roller is prolonged. Then, the cooling temperature is detected in real time by means of the detection assembly, external supplementary cooling is conducted according to the situation, and therefore the mode that water is independently supplied to the multiple cooling cavities for turbulent cooling and matched with external supplementary cooling is formed, and the uniform cooling degree of the plastic pad is comprehensively improved; and the quality problems of buckling deformation, sinking, shrinkage and the like of the plastic pad caused by non-uniform cooling are avoided.

The invention discloses an anti-adhesion master batch granulator, and belongs to the technical field of plastic molding, the anti-adhesion master batch granulator comprises a granulator base, the top of the granulator base is fixedly connected with a granulation driving part, the output end of the granulation driving part is fixedly provided with a cutter, and the front of the granulator base is provided with a master batch strip compressing and repairing module; the master batch strip compressing and repairing module comprises a positioning outer frame, a combined inner shell and compressing discs, the master batch strips firstly enter the master batch strip compressing and repairing module, the four compressing discs cover all areas of the surfaces of the master batch strips, surface treatment can be completely conducted on the passing master batch strips, edge protrusions existing in all the areas of the surfaces of the master batch strips are effectively repaired, and the service life of the master batch strips is prolonged. The master batch strips subjected to surface treatment continue to be conveyed to the heat treatment constraint module, the multiple constraint heat pipes conduct multi-area and long-time heat treatment on the conveyed master batch strips, master batch strip pretreatment is effectively conducted before the master batch strips are cut, trailing and adhesion during color master batch cutting are avoided, and a cutter stably cuts the master batch strips at a fixed point.

The invention relates to the field of zipper pullers, in particular to a plastic forming process of a zipper puller in a zipper puller with an anti-pulling and anti-collision structure, the zipper puller comprises a cloth belt, zipper teeth and the zipper puller which are matched with one another, the zipper teeth are fixedly arranged on the cloth belt, and a pull buckle is arranged on the zipper puller. The cloth belt comprises a first cloth belt and a second cloth belt which are symmetrically arranged, and the zipper head is meshed with the first cloth belt and the second cloth belt and used for controlling opening and closing of the first cloth belt and the second cloth belt; the technical problems that in the pulling process of an existing zipper head, zipper tooth lining cloth or peripheral fabric is prone to being wound into zipper tooth gaps, so that the fabric is damaged, and a zipper stops working are solved.

The utility model relates to the technical field of automobile part production, and discloses a convenient-to-clean injection mold for automobile parts, which comprises a base, the top of the base is fixedly connected with a workbench, the top of the workbench is fixedly connected with a plurality of uniformly distributed hydraulic rods, and the tops of the hydraulic rods are fixedly connected with a mounting plate. An injection molding machine is arranged at the top of the mounting plate, an upper mold is fixedly connected to the bottom of the mounting plate, a fixing plate is fixedly connected to the bottom of the workbench, a supporting column is fixedly connected to the middle of the top side of the fixing plate, a supporting plate is fixedly connected to the top of the supporting column, and a lower mold abuts against the top of the supporting plate. According to the cooling device, when the two clamping plates are far away from the lower mold, the lower mold can slide out of the interior of the workbench to be cleaned, condensate is conveyed into the cooling pipeline through the output end of the cooling box, the condensate flows in the cooling pipeline and can cool the lower mold, and therefore plastic forming is accelerated.

The invention discloses an engineering plastic process control method based on extrusion molding, and relates to the technical field of plastic molding.The method comprises the steps that raw materials are pretreated, and balanced raw material components are established; extrusion requirements are set, temperature control optimization is carried out, and heating control parameters of the graded heating areas are established; establishing a basic cooling rate constraint based on balanced raw material components; performing geometric feature extraction of a prepared finished product, establishing a finished product feature set, configuring a cooling channel, performing digital simulation by taking basic cooling rate constraint as an optimization target, performing cooling response fitting optimization, and performing cooling control and automatic cutting according to a fitting optimization result to complete process control of engineering plastics. The technical problem that in the prior art, due to the diversity and complexity of influence factors of an extrusion molding process, the control precision of process parameters is low is solved, and the technical effect that the production quality of engineering plastics is improved by optimizing the temperature control precision and the cooling control precision is achieved.

The multi-step hot forging simulation system of the fuel rail of the automobile diesel engine of the present application establishes a finite element simulation model of the multi-step forging process of the high-pressure fuel rail parts, analyzes the parameter requirements of the finite element numerical simulation FORGE of the screw press, and obtains general conclusions for important characteristic factors including initial energy, machine tool stiffness, and efficiency; based on the research conclusions of the forging machine tool and the software template, the finite element simulation of the rough machining and finishing forging process of the high-pressure fuel rail in the high-pressure common rail fuel system of the diesel engine is realized. It helps to predict the final state, performance and quality of the material under the actual processing environment, so as to achieve the ultimate goal of optimizing the design of plastic forming. It can provide a reference for actual production, and plays an important role in reducing the production cost of the fuel rail, improving product quality, optimizing process design, and improving production efficiency. It helps to improve the stability, reliability, safety and dynamic performance of the fuel rail.