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CN-122008470-A - Injection mold processing method, system, device and electronic equipment

CN122008470ACN 122008470 ACN122008470 ACN 122008470ACN-122008470-A

Abstract

The invention discloses a processing method, a system, a device and electronic equipment of an injection mold, and relates to the field of parameter control, wherein the processing method comprises the steps of selecting materials according to structural requirements, processing a mold matrix, carrying out surface treatment, pre-opening a cavity frame, integrating functional components such as a guide pillar, a cooling runner and the like; preparing a temperature-resistant and wear-resistant composite resin raw material, finishing cavity manufacturing through numerical control finish machining and etching, strictly detecting tightness and flow channel smoothness after assembling, adopting targeted preheating, sectional pressure maintaining and intelligent cooling processes in an injection molding stage, releasing stress by combining a vibration technology, and finally obtaining a high-precision shell through temperature control die sinking and flexible ejection. The invention has the advantages that the molding requirement of the shell of the hairdressing and beauty equipment is accurately adapted, the whole process realizes accurate control and real-time monitoring, the heat-resistant and wear-resistant core performance and the appearance quality of the shell are ensured, the product qualification rate and the molding efficiency are effectively improved, and the mass production stability is ensured.

Inventors

  • PI DAOMIN
  • RUAN JIEQIONG
  • WU MINGJIN

Assignees

  • 阳江市美嘉乐美容制品工贸有限公司

Dates

Publication Date
20260512
Application Date
20260316

Claims (10)

  1. 1. An injection mold processing method, comprising: Selecting an adaptive die steel preparation matrix based on the shell structure and the molding requirement of the hairdressing equipment, performing surface rust removal and stress relief treatment, presetting a slot in a cavity area to form a basic cavity frame, and presetting a guide post, a guide sleeve mounting hole site and a cooling flow passage reserved slot; Based on the requirements of the shell on temperature resistance and wear resistance, selecting a basic resin and a functional additive, drying and dehumidifying the basic resin, and uniformly mixing the additive and the dried resin according to a proportion to obtain a uniform composite injection molding raw material; based on the three-dimensional model data of the shell, machining a basic cavity frame by adopting numerical control equipment, calibrating the size in real time, polishing and roughening the surface of the cavity, etching textures in a preset area, and obtaining a molding cavity; Assembling the cavity module, the guide post and the ejection mechanism assembly in sequence, introducing high-pressure gas after assembling to detect the sealing performance, and checking the smoothness of a cooling flow passage to correct leakage or blockage positions; the method comprises the steps of installing a qualified die to an injection molding machine, and carrying out targeted preheating on a cavity and a core area of a pouring system to reach a preset temperature; After injection molding, carrying out sectional pressure maintaining according to the thickness difference of the shell, carrying out sectional cooling through a cooling system after the pressure maintaining, monitoring the internal stress of the shell in real time, and starting micro-vibration auxiliary pressure release when the internal stress reaches a threshold value; and opening the die after the temperature of the die is reduced to a preset range and the stress is stable, monitoring the running state of the assembly in real time, taking out the shell in a flexible ejection mode after opening the die, and controlling the ejection speed and the force to prevent surface damage.
  2. 2. The method for processing an injection mold according to claim 1, wherein selecting an adaptive mold steel preparation substrate based on a shell structure and molding requirements of a cosmetic and hair device, performing surface rust removal and stress relief treatment, forming a basic cavity frame by pre-positioning a slot in a cavity area, and pre-positioning a guide post, a guide sleeve mounting hole site and a cooling runner reservation slot specifically comprises: screening an adapted die steel material according to structural parameters and molding requirements of a shell of the hairdressing and beauty equipment, and preparing a die matrix blank by adopting the material; Performing surface rust removal treatment on the prepared mould matrix blank, removing a surface oxide layer and impurities, and performing stress relief treatment after removal; carrying out preset scribing on a cavity forming area of the mold matrix, and carrying out slotting processing according to the scribing to form a basic cavity frame which is matched with the shell outline of the hairdressing equipment; And presetting mounting hole positions of the guide post and the guide sleeve at corresponding positions of the die matrix, and simultaneously excavating a reserved groove of the cooling flow passage.
  3. 3. The method for processing the injection mold according to claim 1, wherein the selecting the base resin and the functional additive based on the requirements of the shell on the temperature resistance and the wear resistance, drying and dehumidifying the base resin, and mixing the additive and the dried resin at a constant speed according to the proportion, and obtaining the uniform composite injection molding raw material comprises the following specific steps: determining the type of a base resin material based on the temperature resistance, abrasion resistance and appearance molding requirements required by the shell of the hairdressing and beauty equipment, and simultaneously screening an adaptive functional additive, wherein the additive comprises an anti-aging agent, reinforcing fibers and color master batches; Drying and dehumidifying the selected basic resin material to remove residual moisture in the resin; sequentially adding the dried base resin material and various functional additives into mixing equipment according to a preset proportion to perform uniform stirring to form a mixture with uniform components; After stirring, a small amount of mixture samples are extracted for uniformity inspection, whether local caking and component segregation phenomenon exist or not is judged, and the finished product composite injection molding raw material is obtained after the mixture is qualified.
  4. 4. The method for processing an injection mold according to claim 1, wherein the processing the basic cavity frame by using a numerical control device based on the three-dimensional model data of the shell, calibrating the size in real time, polishing and roughening the surface of the cavity, and etching textures in a preset area, and obtaining the molding cavity specifically comprises: Milling and grinding the preprocessed mold matrix basic cavity frame by adopting numerical control equipment based on the three-dimensional model data of the shell, acquiring the size in real time in the processing process, continuously comparing the processing data with the three-dimensional model parameters, and calibrating the processing deviation; After the cavity contour machining is finished, polishing the inner wall of the cavity by adopting a polishing tool which is thinned step by step, so that the surface roughness is reduced, and the surface smoothness of the cavity is improved; And carrying out texture processing by adopting an etching process aiming at a texture area preset on the inner wall of the cavity, matching the design requirement of the appearance texture of the shell of the hairdressing equipment, and carrying out comprehensive inspection on the dimensional accuracy, the surface finish and the texture integrity of the cavity after the processing is finished.
  5. 5. The method for processing an injection mold according to claim 1, wherein the assembling of the cavity module with the guide post and the ejection mechanism assembly in sequence, the high-pressure gas is introduced after the assembling to detect the sealing performance, and meanwhile, the cooling flow passage smoothness is checked, and the correction of the leakage or blockage part specifically comprises: Cleaning all components to be assembled of the die cavity module, the guide post, the guide sleeve and the ejection mechanism, and cleaning the surfaces of all components to remove dust, greasy dirt and processing residual impurities; Accurately mounting a guide post and a guide sleeve to a preset hole site of a die matrix, sequentially assembling an ejection mechanism and a pouring system component, and adjusting the stroke of the ejection mechanism to a preset range; installing a cooling system component, connecting a cooling runner pipeline, closing the assembled die, introducing high-pressure gas into the die, observing the change of the gas pressure, and checking whether gas leaks at the joint of the die; and (3) introducing a detection medium into the cooling system, checking whether a cooling flow channel is blocked, performing targeted correction on the detected leakage or blocked part, and re-detecting after the correction.
  6. 6. The method for processing the injection mold according to claim 1, wherein the step of installing the qualified mold in the injection machine and targeting the preheating cavity and the core region of the casting system to a preset temperature, and the step of adding the composite raw material into the injection machine barrel to melt, and then controlling the pressure and the speed to inject the composite raw material into the cavity to fully fill the raw material comprises the following steps: Lifting the die which is qualified in assembly detection to a station of the injection molding machine, and fastening and mounting the die by butting the fixed end and the movable end of the injection molding machine; based on the characteristics of the composite injection molding raw materials and the molding requirement of the shell of the hairdressing and beauty equipment, acquiring a core area of targeted preheating and a preset temperature; Carrying out targeted heating on the inner wall of the cavity and the runner of the pouring system, and monitoring the temperature of the preheating area in real time to ensure that the temperature reaches the preset standard and is uniformly distributed; adding the prepared composite injection molding raw material into a charging barrel of an injection molding machine at a constant speed, and completing melting treatment according to the characteristics of the raw material to obtain a completely melted and stable raw material; And injecting the molten raw material into the die cavity through the nozzle of the injection molding machine, and keeping the joint state of the nozzle and the die after filling.
  7. 7. The method for processing the injection mold according to claim 1, wherein the step of sectionally maintaining the pressure according to the thickness difference of the shell after injection molding, sectionally reducing the temperature through a cooling system after the pressure maintaining, monitoring the internal stress of the shell in real time, and starting the micro-vibration auxiliary pressure release when the internal stress reaches a threshold value comprises the following steps: After injection molding is completed, segmented pressure maintaining parameters corresponding to all areas of the shell are obtained, pressure maintaining pressure is gradually applied to all areas of the die cavity of the die, and the volume shrinkage of molten raw materials in the die cavity is filled; After the pressure maintaining is finished, resetting the pressure maintaining mechanism is confirmed, and a flow path and a cooling stage of the cooling medium are obtained; Introducing a cooling medium into the cooling flow channel to perform sectional cooling, and reducing the temperatures of the die and the inner shell of the cavity; acquiring internal stress data of the shell in real time in the cooling process, and starting the micro-vibration mechanism to vibrate for a short time when the stress reaches a preset threshold value, so as to assist in releasing the internal stress of the shell; And continuously monitoring the temperature of the die and the stress of the shell, and stopping cooling and vibrating after the temperature of the die is reduced to a preset range and the stress of the shell is stable.
  8. 8. The method for processing the injection mold according to claim 1, wherein the step of opening the mold after the temperature of the mold is reduced to a preset range and the stress is stable, monitoring the running state of the assembly in real time, taking out the shell by adopting a flexible ejection mode after opening the mold, and controlling the ejection speed and the force to prevent the surface damage specifically comprises the following steps: when the temperature of the die is reduced to a preset range and the internal stress of the shell is stable, controlling the die to perform a die opening action, and monitoring the running state of each moving component of the die in real time in the die opening process; after the die is opened, an ejection mechanism is started, and the ejector pin is pushed to contact the shell by adopting a flexible ejection mode according to preset speed and force, so that the shell of the hairdressing equipment is ejected out of the die cavity.
  9. 9. An injection mold processing system for implementing an injection mold processing method according to any one of claims 1 to 8, comprising: The composite raw material preparation module is used for preparing composite injection molding raw materials with stable components by selecting basic resin and functional additives based on shell performance requirements, drying and dehumidifying, proportional mixing and uniformity detection; the numerical control cavity processing module is used for processing a cavity contour by utilizing the three-dimensional model data of the shell through numerical control milling and grinding equipment, calibrating the dimensional deviation in real time and finishing surface polishing and texture etching; The mold assembly and detection module integrates the assembly functions of the guide post and the ejection mechanism assembly, detects the tightness of the mold through high-pressure gas, checks the smoothness of a cooling flow passage, and corrects leakage or blockage positions; The injection molding control module is used for controlling the processes of die installation, targeted preheating, molten raw material injection and sectional pressure maintaining, and adjusting the injection molding pressure and speed in real time; The cooling and stress regulation module is used for controlling the cooling rate of the die through a segmented cooling system, monitoring the internal stress of the shell in real time by combining a stress sensor, and triggering the micro-vibration mechanism to release the stress; The mold opening and ejection module is used for controlling the mold to be opened safely after the temperature and the stress reach the standards, and ejecting the shell at a controllable speed/force by adopting a flexible ejection mechanism; The processor is used for processing the calculation process of each formula and the construction calculation process of each model.
  10. 10. An electronic device comprising at least one processor, and a memory communicatively coupled to the at least one processor, wherein, The memory stores instructions executable by the at least one processor to enable the at least one processor to perform an injection mold processing method according to any one of claims 1-8.

Description

Injection mold processing method, system, device and electronic equipment Technical Field The present invention relates to the field of parameter control, and in particular, to a method, a system, a device, and an electronic apparatus for processing an injection mold. Background Along with the continuous improvement of the requirements of the beauty and hairdressing equipment industry on the appearance, the precision and the functional integration level of the product, the traditional injection mold processing method faces the bottleneck of efficiency and cost when dealing with a complex shell structure. The shell of the hairdressing apparatus mainly comprising ABS and PC engineering plastics needs to be light and thin and durable, and meets the sanitary safety standard of ISO certification, thereby providing higher requirements for the design of a cooling system of a die, the surface treatment of a cavity and the collaborative forming of a plurality of sliding blocks. The existing injection mold processing method on the market is lack of a specific material adaptation and refinement pretreatment flow, the mold steel is strong in universality, the stress is not thoroughly eliminated, the drying and dehumidification of raw materials and the uniformity of mixing are insufficient in control, and the performance stability of products is easily affected. The cavity processing depends on empirical operation, real-time size calibration is absent, polishing and texture etching precision is poor, and high-precision appearance requirements of the shell of the hairdressing equipment are difficult to match. The method has the advantages that the tightness and the cooling flow channel detection link after assembly are simplified, leakage and blockage hidden dangers are prone to leaving, the whole preheating is adopted in the injection molding stage, the temperature distribution is uneven, the pressure maintaining and cooling are not regulated and controlled in a segmented mode according to the thickness of the shell, the internal stress cannot be effectively released, and the defects that the product is prone to warping, shrinking and the like are caused. The ejection mode is mainly rigid design, surface damage is easy to cause, the whole process is monitored in real time and is lack, the mass production qualification rate and the stability are low, and the high-quality molding requirement of the high-end hairdressing and beauty equipment shell is difficult to adapt. Disclosure of Invention In order to perfect the existing method and system, the method, the system, the device and the electronic equipment for processing the injection mold are provided, the method is accurately matched with the molding requirement of the shell of the hairdressing and beauty equipment, the whole process realizes accurate control and real-time monitoring, the core performances such as temperature resistance and wear resistance of the shell and the appearance quality are guaranteed, the product qualification rate and the molding efficiency are effectively improved, and the mass production stability is ensured. In order to achieve the above purpose, the invention adopts the following technical scheme: an injection mold processing method, comprising: Selecting an adaptive die steel preparation matrix based on the shell structure and the molding requirement of the hairdressing equipment, performing surface rust removal and stress relief treatment, presetting a slot in a cavity area to form a basic cavity frame, and presetting a guide post, a guide sleeve mounting hole site and a cooling flow passage reserved slot; Based on the requirements of the shell on temperature resistance and wear resistance, selecting a basic resin and a functional additive, drying and dehumidifying the basic resin, and uniformly mixing the additive and the dried resin according to a proportion to obtain a uniform composite injection molding raw material; based on the three-dimensional model data of the shell, machining a basic cavity frame by adopting numerical control equipment, calibrating the size in real time, polishing and roughening the surface of the cavity, etching textures in a preset area, and obtaining a molding cavity; Assembling the cavity module, the guide post and the ejection mechanism assembly in sequence, introducing high-pressure gas after assembling to detect the sealing performance, and checking the smoothness of a cooling flow passage to correct leakage or blockage positions; the method comprises the steps of installing a qualified die to an injection molding machine, and carrying out targeted preheating on a cavity and a core area of a pouring system to reach a preset temperature; After injection molding, carrying out sectional pressure maintaining according to the thickness difference of the shell, carrying out sectional cooling through a cooling system after the pressure maintaining, monitoring the internal stress of the shell in real time, and