1283633 九、發明說明: 【發明所屬之技術領域】 本發明係關於一種射出成型裝置及其方法,特別關於 一種可解決銀痕問題之射出成型裝置及其方法。 【先前技術】 隨著人類物質文明的發展,利用模具來製造產品的方 法成為現在生活不可獲缺的技術。目前利用模具來製造產 品方法主要分為射出成型、壓製成型、吹塑成型及發泡成 型等等’其中又以射出成型具有製造時間短、可製造複雜 之外形及價格便宜等優點,逐漸成為不可取代的製造技 術。 般來說’请參照圖la及圖lb所示,圖la及圖lb 係為習知之射出成型裝置1,以下係利用圖la及圖lb說 明習知射出成型方法。首先,將一塑膠料倒入一進料口 11 進行烘乾,接著,將已乾燥之塑膠料傳送至一加熱套筒12 中加熱熔融。再來,利用一推進器13將已熔融的塑膠料 射入於一模具2内的一模穴(cavity)M〇ld一c中,接著,再 將射入之塑膠料冷卻成型為一成型品MoldJP。最後,分離 模具2,並取出成型品m〇1(LP以完成射出成型之製程。 然而,由於傳統射出成型工廠通常是屬於高相對濕度 =工作場所(70%RH〜95%RH),且傳統射出成型工廠射出 核境多有粉塵,當射出成型後的成型品為乾燥無水分時, 成型品容易經由毛細現象而吸收空氣中混合的水分及粉 1283633 塵’進而使得成型品中產生有許多的髒污及痕跡(業界俗稱 為銀痕),進而影響後續之表面加工處理而導致產品良率降 低。 承上所述,如何設計一種射出成型方法及其裝置,能 夠解決上述問題,實屬當前重要課題之一。 【發明内容】 有鐘於上述課題,本發明之目的為提供一種射出成型 方法及其裝置,使得射出成型後的成型品不易產生銀痕。 緣疋,為達上述目的,依本發明之射出成型裝置係用 、將射出成型材料成型為一成型品,並包含一模目摩 兀、二射出單元及一加濕單元。模具單元係具有一模i; 射出早疋係*有—通管與_噴嘴,噴嘴係設置於通管之一 :目,管係藉㈣嘴與模穴相互連通;加濕單元係鄰設於 用以提供水分;其中射出成型材料係經由 =:,以射出於模穴,而射出成型材料於模穴中冷卻 成&為成型品,並與模具單元分離 水分於成型品。 ㈣&供 另外’為達上述目的,依本發明 含下列步驟:首先,將一射出成型二 二著,將射出成型材料冷卻成型為二成型 ^然後刀離成型品無具單元;最後,提供水份於成 承上所述,依本發明之射出成型震置及其方法係在分 1283633 具單元後,提供水份於成型品 分,可避免銀痕的產生,進:::產 =包率含賴水 【實施方式】 出二中Γ依本發明較佳實施例之射 號加以說明,、 中相同的元件將以柄同的參照符 包含::::二依本::較佳實施例之射出成型裝置3 -移動構件M2、一固定側模二有:=構件311、 固定槿杜m y 1 ^供仁313及一移動側模仁314。 314係設置於移動構件-與固 312可帶動移動側模 ^ ^ 3Γ1Γ^Γ 313 近,=兩者連結來形成—模穴 包含程上,本實施例之模具單元31更可 籌件315,而冷卻構件315可將模具單元以的 !283633 熱傳導至外界上,並用來使模穴M〇ld 料冷卻成型為-成型品。 -上的射出成型材 再請參照圖2。本實施例之射出單元3 32;及-通管其中,喷嘴-係設置上管有;:: 貝·!,而通管322係藉由喷嘴321與模穴M〇id互 通。在本實施例中,通管322可為一加熱套筒。一 連 2,於本實施例中,射出料32更可包含一推進 =2Γ驅動構件324。於此,推進構件323係設置 322内’且推進構件323可相對於通管% ^端^方向移動。而驅動構件324係與推進構件323 H,並驅動推進構件323進行移動。一般來說, 進=323可為一螺桿,而驅動構件324可為一馬達。 於樵且/如圖2所示,本實施例之加濕單元33係鄰設 元Lm14 ?以提供水分於成型品。當然,加濕單 於描且^、-灑水軋裝置(如圖2所示),依據實際需求設置 二I、^70 31附近或模具單元31上之地方以方便喷灑水 :二=,或者,加濕單元33可為-具有水氣之-容 中未示),依據實際需求設置於模具單元31附近 私㈣便將成型品傳送至此具有水氣之容置空間’-谷置空間可以為一可調節溫度及濕度的空箱。 -勺入1/如圖2所示’在本實施例中,射出成型裝置3 34 °其中’乾燥料34具有一進料口 真、、射出早7° 32内之通管322相連通。 者,如圖2所示,在本實施例中,射出成型裝置3 1283633 更包含頂出單元35。JL中, 出模ίΓΙΙ;;將錄❹μ模具單元31 方法係包含下列步二$發::較佳實施例之射出成型 之-模穴中(S1);將射出成型材 (S2)=r;e 中。於此,射W㈣财為-塑t㈣早疋之模穴 = Ss23V將射出成型材料冷卻成型為成型品。 且右純離成型品與模具單元,其中,模罝 事兀係具有-移動側模仁及—固"_,移動 ^ 固定:模仁:間係形成模穴。於此,分離成型品與模:單 :::^ 於步驟S4中,提供水份於成型品。於此,分 品與模具單元可為魏錢至品,或者將成型品放置 於具有水氣之-容置空間中。本實施例中之元件與前述實 施例之相同7G件具有相_特徵與功能,在此不再費述。 為使本實施例之特徵更加明顯,以下係搭配前述實施 例之射出成型裝置3進行說明。 首先,如圖4a所示,乾燥單元34透過其進料口 341 ,射出成型材料M〇M肩一般為塑膠材料)乾燥後,並將已 乾燥的射出成型材料Mold一MD輸出至通管322中加熱。 1283633 再來,如圖4b所示,驅動構件324驅動推進構件323 將通管322巾已加熱的射出成型材料M〇ld_MH推進 嘴321前端。 ' 然後,如圖4c所示,驅動構件324驅動推進構件323 以將已熔融的射出成型材料M〇ld—河^1透過喷嘴321射入 :模八Mold_C t。接著,冷卻構件315將模具單元31内 =熱傳導至外界,以使射人模具單元31之已熔融的射出 • 成型材料M〇ld_MM冷卻成型為一成型* Mold—P(如圖4d 、 所示)。 此後’如圖4e所示’移動構件312會先帶動移動側模 仁314遠離固定侧模仁313以使移動側模仁314與固定側 模仁313分開。接著頂出構件35再將成型M〇id_p頂離 固定側模仁313而分離成型品M〇lf_F與模具單元31。 最後,如圖4f所示,加濕單元33係提供水份(一般是 用乾淨的純水)於成型品MQld—p上,此時,乾燥無水分的 參 Mold_P藉由毛細現象快速地吸收所提供乾淨的純 水,^已吸收乾淨乾淨純水後的成型品M〇ld_p便不易吸 -收空氣中的粉塵或包含髒污的水分,可避免銀痕的產生, „ 進而提升產品良率。 • 、综上所述,依本發明之射出成型方法及其裝置係在分 離成型品與模具單元後’提供水份於成型品,此時,乾燥 無水分的成型品藉由毛細現象快速地吸收水份,使吸收水 分後的成型品不易再吸收空氣中的粉塵或包含髒污的水 分,可避免銀痕的產生,進而提升產品的良率。 1283633 【圖式簡單說明】 圖la及lb為一組示意圖,顯示習知之射出成型裝置; 圖2為一示意圖,顯示依本發明較佳實施例之射出成 型裝置; 圖3為一流程圖,顯示依本發明另一較佳實施例之射 出成型方法的流程;以及 圖4a~4f為一組示意圖,顯示如圖3所示之射出成型BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an injection molding apparatus and a method thereof, and more particularly to an injection molding apparatus and a method thereof that can solve the problem of silver marks. [Prior Art] With the development of human material civilization, the method of manufacturing products using molds has become an indispensable technology in life. At present, the method of manufacturing products by using molds is mainly divided into injection molding, press molding, blow molding, foam molding, etc., and the injection molding has the advantages of short manufacturing time, complicated manufacturing shape and low price, and gradually becomes impossible. Replacement manufacturing technology. Referring to Figures la and lb, Figures la and lb are conventional injection molding apparatus 1. Hereinafter, a conventional injection molding method will be described using Figs. First, a plastic material is poured into a feed port 11 for drying, and then the dried plastic material is transferred to a heating sleeve 12 for heating and melting. Then, a molten plastic material is injected into a cavity M〇ld-c in a mold 2 by a pusher 13, and then the injected plastic material is cooled and formed into a molded product. MoldJP. Finally, the mold 2 is separated, and the molded product m〇1 (LP is taken out to complete the injection molding process. However, since the conventional injection molding factory usually belongs to a high relative humidity = workplace (70% RH to 95% RH), and the conventional The injection molding factory emits a lot of dust in the nuclear environment. When the molded product after injection molding is dry and moisture-free, the molded product easily absorbs the moisture mixed in the air and the powder 1283633 by the capillary phenomenon, and thus many of the molded articles are produced. Dirty and traces (commonly known as silver marks in the industry), which in turn affect the subsequent surface processing and lead to lower product yield. As mentioned above, how to design an injection molding method and its device can solve the above problems, which is currently important. One of the problems of the present invention is to provide an injection molding method and an apparatus thereof, so that a molded article after injection molding is less likely to cause silver marks. The injection molding device of the invention is used for molding an injection molding material into a molded product, and comprises a molding head and a two-shot unit and a humidifying unit. The mold unit has a mold i; an early exit system* has a through tube and a nozzle, and the nozzle system is disposed in one of the through tubes: a mesh, the tube is connected to the cavity and the cavity is connected to each other; The unit is adjacent to provide moisture; wherein the injection molding material is shot through the mold hole, and the injection molding material is cooled in the cavity to form a molded product, and the moisture is separated from the mold unit. (4) & for additional purposes, in accordance with the present invention, the following steps are included: first, an injection molding is carried out, and the injection molding material is cooled and formed into two moldings; then the knife is out of the molded article without a unit; finally, According to the invention, the injection molding and the method according to the present invention provide water in the molded product after the unit is divided into 1,836,353 units, thereby avoiding the generation of silver marks, and the following: The ratio of the water source is the same as that of the preferred embodiment of the present invention. The same component will be the same as the reference character of the handle:::: two according to this:: better implementation Injection molding device 3 - moving member M2, a fixed side The mold 2 has: = member 311, fixed my du my 1 ^ 仁 313 and a moving side mold 314. 314 is set on the moving member - and solid 312 can drive the moving side mold ^ ^ 3 Γ 1 Γ ^ Γ 313, = two The mold unit 31 of the present embodiment can be used to form a part 315, and the cooling member 315 can heat the mold unit 283633 to the outside, and is used to make the cavity M〇ld material. Cooling and molding into a molded product. - The upper injection molding material is also referred to Fig. 2. The injection unit 3 32 of the present embodiment; and - the through tube, wherein the nozzle is provided with the upper tube; The tube 322 is interconnected with the cavity M〇id by the nozzle 321. In the present embodiment, the through tube 322 can be a heating sleeve. In one embodiment, in the embodiment, the shot material 32 may further include a propulsion = 2 Γ drive member 324. Here, the pusher member 323 is disposed 322 and the pusher member 323 is movable relative to the passer. The drive member 324 is coupled to the pusher member 323H and drives the pusher member 323 to move. In general, the feed 323 can be a screw and the drive member 324 can be a motor. As shown in Fig. 2, the humidifying unit 33 of the present embodiment is adjacent to the element Lm14 to supply moisture to the molded article. Of course, the humidification unit is described in the drawing, and the sprinkling device (shown in FIG. 2), and the place near the two I, ^70 31 or the mold unit 31 is set according to actual needs to facilitate spraying water: two =, Alternatively, the humidifying unit 33 may be - having moisture - not shown in the capacity, and disposed in the vicinity of the mold unit 31 according to actual needs (4) to transfer the molded product to the accommodating space having water and moisture - the valley space may be It is an empty box that can adjust temperature and humidity. - Spoon in 1 as shown in Fig. 2 In the present embodiment, the injection molding apparatus 3 34 ° wherein the drying material 34 has a feed port and the passage 322 which is projected within 7° 32 is communicated. As shown in FIG. 2, in the present embodiment, the injection molding device 3 1283633 further includes an ejection unit 35. In JL, the mold 31 ΓΙΙ ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; e. Here, the shot W (four) is the mold - the plastic t (four) early mold hole = Ss23V will spray the molding material to form a molded product. And the right pure mold and mold unit, wherein the mold system has - moving side mold and solid - "," moving ^ fixed: mold: the formation of the cavity. Here, the molded article and the mold are separated: single::: In step S4, water is supplied to the molded article. Here, the product and the mold unit can be Wei Qian to the product, or the molded product can be placed in a water-containing space. The elements in this embodiment have the same features and functions as the same 7G members of the previous embodiments, and will not be described herein. In order to make the features of the present embodiment more apparent, the following description will be made in conjunction with the injection molding apparatus 3 of the above embodiment. First, as shown in FIG. 4a, the drying unit 34 is dried through the feed port 341, the injection molding material M〇M shoulder is generally a plastic material, and the dried injection molding material Mold-MD is output to the through pipe 322. heating. 1283633 Then, as shown in Fig. 4b, the driving member 324 drives the advancing member 323 to push the heated injection molding material M〇ld_MH of the nozzle 322 to the front end of the nozzle 321 . Then, as shown in Fig. 4c, the driving member 324 drives the advancing member 323 to inject the molten injection molding material M?ld-water through the nozzle 321 into a mold Mold_Ct. Next, the cooling member 315 heats the inside of the mold unit 31 to the outside to cool the molten injection molding material M〇ld_MM of the injection mold unit 31 into a molding *Mold-P (as shown in FIG. 4d). . Thereafter, as shown in Fig. 4e, the moving member 312 first moves the moving side mold 314 away from the fixed side mold 313 to separate the moving side mold 314 from the fixed side mold 313. Then, the ejecting member 35 separates the molded M?id_p from the fixed side mold 313 to separate the molded product M?lf_F from the mold unit 31. Finally, as shown in Fig. 4f, the humidifying unit 33 supplies moisture (generally clean pure water) to the molded article MQld-p. At this time, the dry moisture-free ginseng Mold_P is quickly absorbed by the capillary phenomenon. Providing clean pure water, the molded product M〇ld_p which has absorbed clean and pure water is not easy to absorb - collect dust in the air or contain dirty water to avoid the occurrence of silver marks, and thus improve product yield. • In summary, the injection molding method and apparatus according to the present invention provide water to the molded article after separating the molded article and the mold unit. At this time, the dried moisture-free molded article is quickly absorbed by the capillary phenomenon. Moisture makes it difficult for the molded product after absorbing moisture to absorb dust in the air or contains dirty water, which can avoid the generation of silver marks and improve the yield of the product. 1283633 [Simple diagram] Figure la and lb are 1 is a schematic view showing a conventional injection molding apparatus; FIG. 2 is a schematic view showing an injection molding apparatus according to a preferred embodiment of the present invention; FIG. 3 is a flow chart showing another preferred embodiment of the present invention. The flow of the molding method; and Figures 4a to 4f are a set of schematic diagrams showing the injection molding as shown in Figure 3.
方法的流程。 元件符號說明 • 籲 1 射出成型裝置 11 進料口 12 加熱套筒 13 推進器 2 模具 3 射出成型裝置 31 模具單元 311 固定構件 312 移動構件 313 固定側模仁 314 移動側模仁 313 冷卻構件 32 射出單元 321 喷嘴 11 1283633 322 通管 323 推進構件 324 驅動構件 33 加濕單元 34 乾燥單元 341 進料口 35 頂出單元 Mold—C 模穴 Mold—P 成型品 Mold 一 M 射出成型材料 Mold 一 MD 已乾燥的射出成型材料 Mold—MH 已加熱的射出成型材料 Mold—MM 已熔融的射出成型材料 S卜S4 步驟 12The flow of the method. DESCRIPTION OF SYMBOLS • 1 1 Injection molding device 11 Feed port 12 Heating sleeve 13 Propeller 2 Mold 3 Injection molding device 31 Mold unit 311 Fixing member 312 Moving member 313 Fixed side mold 314 Moving side mold 313 Cooling member 32 Injection Unit 321 Nozzle 11 1283633 322 Through pipe 323 Propulsion member 324 Drive member 33 Humidification unit 34 Drying unit 341 Feed port 35 Ejection unit Mold - C Mold - M Mold - M Mold - M Injection molding material Mold - MD Dry Injection molding material Mold-MH heated injection molding material Mold-MM molten injection molding material S Bu S4 Step 12