432 results about "Plastic molding" patented technology

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.

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 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 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 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 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 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.

The invention relates to the field of plastic forming equipment, in particular to a rapid cold cutting device for polyphenylene sulfide granule wire drawing, which is characterized in that a wire drawing strip is extruded and pulled through vertically and symmetrically arranged clamping rings, and the clamped wire drawing strip is cut through a cutting knife which reciprocates in the radial direction, so that in the cutting process, the wire drawing strip can be quickly cut, and the cutting efficiency is improved. The parts, located on the two sides of the cutting knife, of the wiredrawing strips are extruded and fixed by the inner walls of the grooves of the clamping rings, so that the contact parts of the wiredrawing strips and the cutting knife have good stability, the mode that a traditional granulator cuts the wiredrawing strips through cooperation of a hob and a fixed knife is replaced, the situation that notches of the wiredrawing strips deviate due to cutting stress deformation is reduced, and the production efficiency is improved. Meanwhile, the situation that the body is cracked due to cutting deformation of the wiredrawing strip is reduced, the situation that cut particles are splashed, impacted and damaged is reduced, the amount of chippings in the pelletizing process is reduced, the particle forming consistency of polyphenylene sulfide is improved, waste materials are reduced, and the utilization rate of raw materials is increased.

The invention relates to the technical field of plastic forming, and discloses a plastic leftover material forming process of a layered compaction structure, which comprises the following steps: S1, raw material pretreatment: selecting a new plastic material meeting performance requirements, drying, mixing with pretreated recycled material particles in proportion, uniformly stirring, and feeding into a raw material storage tank for later use; s2, melting and injection molding: feeding the mixed raw materials into an injection molding machine, heating in different areas through a charging barrel, and stirring and melting into a melt through a screw rod; the die set is arranged, through an immediate leftover material separation and recovery system, the cut leftover materials can be rapidly recycled, soil and water pollution caused by leftover material accumulation is avoided, meanwhile, waste of plastic raw materials is reduced, and the development concepts of green manufacturing and circular economy are met. Due to the sealing protection design of the die set, pollution caused by melt leakage is avoided, and diffusion of dust and harmful gas is reduced through the sealing structure of the movable groove.

This utility model discloses a polypropylene extrusion molding device, relating to the field of plastic molding technology. The polypropylene extrusion molding device includes a polypropylene extrusion unit with a feed inlet. A first motor is fixedly connected to one end of the polypropylene extrusion unit, and a support frame is fixedly connected to the bottom of the polypropylene extrusion unit. When it is necessary to change to a different specification mold, the current to the magnetic conductor coil is cut off, causing the magnetic conductor to lose its magnetism and the magnetic attraction between it and the permanent magnet inside the mold to dissipate. At this time, the old mold can be directly removed. After replacing it with a new specification mold, the new mold is placed against the sealing plate and aligned with the extrusion hole. The magnetic conductor coil is then energized, causing it to regain its magnetism and re-establish magnetic attraction with the permanent magnet inside the new mold. The entire process requires no additional mechanical fixing structure; mold replacement can be quickly completed simply by switching the current on and off, significantly improving the device's adaptability to different product specifications.

This invention relates to the field of plastic molding and processing technology. The objective is to provide an injection molding mold for an automotive seat backrest, comprising a mold body consisting of a male mold and a female mold. A recessed air-cushion mounting cavity is provided on the surface of the male mold opposite to the plastic part molding area. The air-cushion mounting cavity communicates with a drive cavity located on the back of the male mold. A retractable air-cushion device is provided within the air-cushion mounting cavity. The retractable air-cushion device includes an ejector rod, a retractable sleeve sleeved outside the ejector rod, an inflation and pressurization mechanism, and an air-cushion driving mechanism. Driven by the air-cushion driving mechanism, the retractable air-cushion device can switch between injection molding state, mold opening and locking state, and air-cushion state. Compared with existing methods, this invention results in a lower plastic part deformation rate and better positioning, leading to a higher overall product yield.

The invention discloses a plastic molding production system. The plastic molding production system comprises a blow molding machine, a blank body molding machine and a transfer device, the blow molding machine is provided with a blow molding mold closing device, a material arranging manipulator, a plurality of chain transmission mechanisms and a conveying device; the blow molding mold closing device is provided with a plurality of carrying mechanisms; each chain transmission mechanism is provided with a heating device; the blow molding mold closing device comprises a mold closing mechanism and a blow molding mechanism; the mold closing mechanism comprises a box type mounting frame, a driving source and two mold closing forming assemblies. The invention further discloses a processing method. According to the blow molding mold closing device, one driving source is adopted to synchronously drive the two mold closing forming assemblies through the linkage assembly, multi-station blow molding machining is achieved, and the production efficiency is improved; according to the full-automatic blow molding machine, injection molding, carrying, heating and heat preservation, blow molding, discharging and transferring of a product of a blank are achieved, automatic operation is achieved in all links, the labor cost is reduced, and meanwhile the stability and reliability of the production process are improved.

The invention relates to the technical field of plastic molding machines, and discloses a plastic injection molding machine with a cooling mechanism, the plastic injection molding machine comprises a base, the top of the base is fixedly provided with a melting box and an injection machine, and one side of the base is provided with a discharging plate; the cooling device is located on one side of the base, the cooling device comprises a cooling box arranged on one side of the base, a plurality of connecting plates are fixed between the cooling box and the base, the outer wall of the cooling box is connected with a water injection pipe and a water drainage pipe, and a heat conduction pipe is arranged in the base; the cooling device adopts a reasonable design, a cooling box conveys cooling liquid to a heat conduction pipe through a circulating pump, through mutual cooperation of a water suction pump, a control valve, a one-way valve, a valve body and an opening and closing valve, after cooling operation is completed, cooling water in the heat conduction pipe can be pumped out through the water suction pump, cooling water residues are avoided, and the cooling efficiency is improved. And the die can smoothly carry out next cycle operation, the service life of the die is prolonged, and the operation efficiency of the die is improved.

The invention discloses multifunctional multi-layer co-extrusion equipment, and belongs to the technical field of plastic molding extrusion. Comprising a multi-layer co-extrusion die head and a plurality of sets of modular extruders, a transparent master batch feeding barrel is assembled on each set of modular extruder, and conveying barrels, used for melting materials, on the modular extruders are all connected to the input end of the multi-layer co-extrusion die head for multi-layer co-extrusion; the side, close to the multi-layer co-extrusion die head, of a conveying cylinder of each set of modular extruder is cut off, a lifting type switching module is arranged at the cut-off end, a transparent particle plastic mixing unit and a color master batch plastic mixing unit are integrated on the lifting type switching module, and the transparent particle plastic mixing unit and the color master batch plastic mixing unit are integrated through a switching mechanism of the lifting type switching module. The quick color changing function of the multi-layer co-extrusion equipment in small-batch customized production is realized, and the problems of low efficiency and raw material waste caused by global shutdown for cleaning a screw rod and a machine barrel during color changing due to a fixed runner structure of the existing traditional equipment can be effectively solved.

This invention relates to the field of plastic molding, and more particularly to a composite material molding die for a target aircraft fuselage. The die includes a mold base, with a lower wing mold fixedly mounted on one side of the upper end of the mold base. An upper wing mold is positioned above the lower wing mold. A servo push cylinder is fixedly mounted on the rear of the other side of the upper end of the mold base. A connecting frame is fixedly mounted on the output end of the servo push cylinder. A carrier sleeve is fixedly mounted on the end of the connecting frame. Two shell prisms are symmetrically slidably mounted inside the carrier sleeve, extending from the upper and lower ends of the carrier sleeve respectively. Arc-shaped shells are fixedly mounted on opposite ends of the two shell prisms. Arc-shaped wiping cloths are provided on opposite surfaces of the two arc-shaped shells. A return spring is provided between the opposite ends of the two shell prisms and the carrier sleeve. This invention reduces the labor intensity of workers, facilitates use, reduces dead angles for mold release agent wiping, and ensures effective demolding after molding.

The invention discloses a foam packaging box production device, and belongs to the technical field of foam plastic molding equipment, the foam packaging box production device comprises a support, and the support is provided with a foaming box and a transfer bin; the foaming box is horizontally and rotatably inserted into the side wall of the transfer bin, and the end, close to the transfer bin, of the foaming box is open; a mounting frame is horizontally and rotatably mounted in the foaming box, a first motor used for driving the mounting frame to rotate is arranged on the side wall of the side, away from the transfer bin, of the foaming box, and a filter screen is fixedly mounted on the mounting frame and used for screening foamed foam and unfoamed plastic particles; two threaded rods are horizontally, symmetrically and rotationally mounted on the inner side wall of the foaming box; according to the scheme, under the cooperation of the filter screen, the control mechanism and the push plate, foams which do not meet the size requirement can be removed, it is guaranteed that all foams entering the transfer bin are the foams with the qualified size, the probability of caking is reduced in the subsequent machining process, and the effect of improving the product quality is achieved.

The utility model discloses an air drying device for plastic forming on a plastic production line, and relates to the technical field of plastic processing. Comprising a base; the bottom of the air drying box is fixedly connected with the top of the base, and the inner wall of the air drying box is fixedly connected with a rotating device and an air drying device; the rotating device comprises a first motor, the bottom of the first motor is fixedly connected with the inner wall of the air drying box, an output shaft of the first motor is fixedly connected with a supporting frame, the outer wall of the supporting frame is fixedly connected with a second motor, an output shaft of the second motor is fixedly connected with a gear, and fixing blocks are symmetrically arranged on the two sides of the gear. The rotating device can enable the plastic forming part to be subjected to air drying treatment in all directions, meanwhile, the plastic forming part can be rapidly fixed through cooperation with the structure of the gear and the fixing block, and hot air can evenly act on all corners of plastic in the rotating process.

The invention relates to the technical field of 3D printing plastic meltblown devices and plastic molding, the 3D printing plastic meltblown devices comprise a feeding reference block, an air inlet system, a material injection system and a nozzle control system, the air inlet system and the material injection system are both installed on the feeding reference block, the material injection system is provided with a material injection channel and an air inlet channel, the air inlet channel extends to the tail end of the material injection channel, and the nozzle control system is connected with the air inlet channel. The nozzle control system is installed at the tail end of a material injection channel of the material injection system, the nozzle control system comprises a nozzle control reference block and an elastic opening device, a nozzle control channel is formed in the nozzle control reference block, the elastic opening device is installed on the nozzle control reference block in a sliding mode, and the nozzle control channel is communicated with the nozzle control channel. The elastic opening device is arranged around the tail end of the material injection channel and changes the opening angle when the air pressure of the nozzle control channel of the nozzle control system changes, and the spraying density of all positions of the vamp can be rapidly changed.

A method for at least partially automatic determination of at least one production process variable for manufacturing a predetermined target plastic molded part by an injection molding machine. The apparatus includes production devices having a plastic supply device for supplying the plastic to be processed as raw material, a plasticizing device for plasticizing and / or homogenizing the plastic to be processed, an injection device for injecting the plasticized and / or homogenized plastic into at least one molding device, and / or the at least one molding device for molding the injected plastic into a plastic molded part, wherein the apparatus and / or the production devices can be adjusted according to predetermined and / or predeterminable production process variables which are characteristic of the production process of the plastic products to be manufactured.