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文章詳情
PET注塑模具除露機(jī)之三
日期：2026-01-31 23:50
瀏覽次數(shù)：4
摘要：PET注塑模具除露機(jī)之三，瓶胚模具除露機(jī)，空氣除濕機(jī)，模具除露機(jī)
PET注塑模具除露機(jī)之三，瓶胚模具除露機(jī)，空氣除濕機(jī)，模具除露機(jī)：設(shè)備配備露點(diǎn)、溫度、壓力、流量等高精度傳感器，可實(shí)時采集運(yùn)行數(shù)據(jù)，觸摸屏可直觀顯示參數(shù)和設(shè)備狀態(tài)，同時支持工藝參數(shù)配方化管理，一鍵切換不同模具的適配參數(shù)。
The equipment is equipped with high-precision sensors such as dew point, temperature, pressure and flow, which can collect operating data in real time, the touch screen can intuitively display parameters and equipment status, and also support formula management of process parameters, with one key to switch the adaptive parameters of different moulds.
輔助單元包含消音器、防塵罩、保溫層和**防護(hù)組件，為設(shè)備穩(wěn)定運(yùn)行提供保障，減少能耗與噪音，同時配備應(yīng)急停機(jī)按鈕和故障報警燈，保障車間生產(chǎn)**。
The auxiliary unit includes a muffler, dust cover, insulation layer and safety protection components, which provide protection for the stable operation of the equipment, reduce energy consumption and noise, and are equipped with an emergency stop button and fault alarm light to ensure workshop production safety.
四、設(shè)備核心工作原理
PET 注塑模具除露機(jī)的核心工作原理是通過深度除濕制備低露點(diǎn)干燥空氣，經(jīng)精準(zhǔn)控溫與氣流調(diào)節(jié)后，通過定制化吹掃實(shí)現(xiàn)主動除露與被動氣簾阻隔，且與注塑機(jī)聯(lián)動同步作業(yè)。
The core working principle of PET injection mould dehumidifier is to prepare low dew point dry air through deep dehumidification, after precise temperature control and air flow regulation, realize active dehumidification and passive air curtain isolation through customized purge, and work in interconnection and synchronization with the injection moulding machine.
風(fēng)冷式除露機(jī)為行業(yè)主流機(jī)型，其工作流程為：環(huán)境空氣先經(jīng)雙級過濾和氣液分離器完成預(yù)處理，去除粉塵、油污和液態(tài)水，降低除濕模塊負(fù)荷。
The air-cooled dehumidifier is the mainstream model in the industry, and its working process is: the ambient air is first pretreated by double-stage filtration and gas-liquid separator to remove dust, oil and liquid water, reducing the load of the dehumidification module.
預(yù)處理后的空氣進(jìn)入雙塔分子篩除濕模塊，工作塔內(nèi)的分子篩吸附水汽，將空氣露點(diǎn)降至 - 40℃~-50℃，再生塔則通過 180~200℃的熱風(fēng)實(shí)現(xiàn)分子篩的脫附再生，兩塔自動交替切換，保證干燥氣流無間斷供應(yīng)。
The pretreated air enters the double-tower molecular sieve dehumidification module, the molecular sieve in the working tower adsorbs water vapor, reducing the air dew point to -40℃~-50℃, while the regeneration tower realizes the desorption and regeneration of the molecular sieve through hot air at 180~200℃, and the two towers switch automatically and alternately to ensure the uninterrupted supply of dry air flow.
低露點(diǎn)干燥空氣進(jìn)入電加熱模塊，根據(jù)工藝要求加熱至 40~60℃，高壓變頻風(fēng)機(jī)將加熱后的干燥氣流吸入，通過壓力調(diào)節(jié)閥和流量傳感器調(diào)節(jié)至設(shè)定的風(fēng)壓和風(fēng)量。
The low dew point dry air enters the electric heating module and is heated to 40~60℃ according to the process requirements, the high-voltage frequency conversion fan sucks in the heated dry air flow and adjusts it to the set air pressure and volume through the pressure regulating valve and flow sensor.
調(diào)節(jié)后的干燥氣流經(jīng)不銹鋼風(fēng)管輸送至氣流分流器，被均勻分配至各定制化噴嘴和氣簾條，噴嘴以 5~10m/s 的風(fēng)速精準(zhǔn)吹掃模具凝露區(qū)域，吹走冷凝水實(shí)現(xiàn)主動除露。
The regulated dry air flow is transported to the air flow diverter through the stainless steel air duct and evenly distributed to each customized nozzle and air curtain strip, the nozzles accurately purge the mould condensation area at a wind speed of 5~10m/s, blowing away the condensed water to achieve active dehumidification.
氣簾條同時吹出 3~5m/s 的連續(xù)干燥氣流，在模具冷模面與環(huán)境濕空氣之間形成干燥氣簾，實(shí)現(xiàn)被動阻隔凝露，從根源上防止凝露再生。
At the same time, the air curtain strip blows out a continuous dry air flow of 3~5m/s, forming a dry air curtain between the cold mould surface and the ambient humid air to realize passive condensation isolation and prevent condensation regeneration from the root cause.
設(shè)備通過接近開關(guān)接收注塑機(jī)的開模 / 合模信號，實(shí)現(xiàn)聯(lián)動同步：注塑機(jī)開模到位后立即啟動吹掃，合模信號觸發(fā)后即刻停止，吹掃時間 0.5~2s 可調(diào)，與 3~5s 的 PET 高速注塑周期精準(zhǔn)匹配。
The equipment receives the mould opening/closing signal of the injection moulding machine through the proximity switch to realize interconnection and synchronization: the purge starts immediately after the injection moulding machine is in place for mould opening, and stops immediately after the mould closing signal is triggered, the purge time is adjustable from 0.5~2s, which is precisely matched with the 3~5s PET high-speed injection cycle.
水冷式和冷熱風(fēng)組合式除露機(jī)的除濕、吹掃、聯(lián)動環(huán)節(jié)與風(fēng)冷式一致，僅在溫控環(huán)節(jié)做差異化設(shè)計，水冷式增加熱交換冷卻流程，組合式則通過三通閥實(shí)現(xiàn)加熱與制冷的自由切換。
The dehumidification, purge and interconnection links of water-cooled and cold-hot air combined dehumidifiers are consistent with the air-cooled type, with only differentiated design in the temperature control link, the water-cooled type adds a heat exchange cooling process, and the combined type realizes free switching between heating and cooling through a three-way valve.
所有類型的除露機(jī)均配備多項節(jié)能設(shè)計，變頻風(fēng)機(jī)可按需調(diào)節(jié)風(fēng)量，余熱回收模塊能利用再生廢風(fēng)預(yù)熱進(jìn)氣，聯(lián)動吹掃僅在開模階段工作，相比持續(xù)吹掃能耗降低 80% 以上。
All types of dehumidifiers are equipped with a number of energy-saving designs, the frequency conversion fan can adjust the air volume on demand, the waste heat recovery module can preheat the intake air by using regenerated waste air, and the interconnection purge only works in the mould opening stage, reducing energy consumption by more than 80% compared with continuous purge.
五、關(guān)鍵工藝參數(shù)與調(diào)控
PET 注塑模具除露機(jī)的除露效果由送風(fēng)露點(diǎn)、送風(fēng)溫度、送風(fēng)風(fēng)壓、送風(fēng)風(fēng)速和吹掃時間五大核心工藝參數(shù)決定，各參數(shù)相互耦合，需與模具、注塑工藝精準(zhǔn)匹配。
The dehumidification effect of PET injection mould dehumidifier is determined by five core process parameters: supply air dew point, supply air temperature, supply air pressure, supply air speed and purge time, which are coupled with each other and need to be precisely matched with the mould and injection process.
送風(fēng)露點(diǎn)為設(shè)備額定核心參數(shù)，穩(wěn)定在 - 40℃~-50℃且不可調(diào)，是實(shí)現(xiàn)除露的基礎(chǔ)，若露點(diǎn)偏高則會導(dǎo)致氣流帶水汽，在冷模面形成二次凝露。
The supply air dew point is the rated core parameter of the equipment, stable at -40℃~-50℃ and non-adjustable, which is the basis for realizing dehumidification. If the dew point is too high, the air flow will carry water vapor and form secondary condensation on the cold mould surface.
