九、發明說明： 【發明所屬之技術領域】 本發明係關於一種塑膠鏡片之加工裝置及方法。 【先前技術】 隨著光電產業近年之蓬勃發展，從數碼相機鏡頭到高精度之光碟讀取 頭’塑膠鏡片之應用範圍日益增多’同時對塑膠鏡片之質量精度要求亦日益 提高。 塑膠鏡片之優點在於質輕，而且利用射出成型之方式製作可大量生產並 降低成本，因此射出成型製程技術已經廣泛應用於質輕、量大之塑膠產品， 其製程技術較為成热，一般包括：射出->保壓—冷卻—脫模—剪切—成品 —後續加工。第一圖所示為一個經射出—保壓—冷卻—脫模成型之塑料鏡片 半成品10之示意圖〇四個塑膠鏡片12之間由逢道料頭13與流道料頭14連 接。剪切—成品過程中，塑膠鏡片12與澆道料頭13與流道料頭14 一起被 移送至剪切裝置上剪切，使塑膠鏡片12與澆道料頭13及流道料頭14分離， 成品塑膠鏡片12可以根據需要再選擇性進行鑛膜等後續工序，以提高其光 學特性。 先前技術中，由於需要經過剪切過程將塑膠鏡片12與澆道料頭13及流 道料頭14分離，剪切過程中容易產生粉塵，且塑膠材料介電常數高容易吸 附環境中之污物，使塑膠鏡片表面產生辦污’從而影響鏡片之質量。為了控 制塑膠鏡片表面因為粉塵與吸附髒污所造成之污染，一般於鏡片射出成型製 程中需要設置100等級以上之高等級無塵室，從而導致塑膠鏡片製作成本增 加。即使如此，於剪切過程中產生之粉塵仍然會不可避免的殘留於塑移鏡 片之上’影響後續塑膠鏡片製作並增加清洗成本，最終影響塑膠鏡片產品之 質量。 有鑑於此，提供一種塑膠鏡片之加工裝置及方法，降低射出成型塑膠鏡 片製作成本實為必要。 【發明内容】 以下以實施例說明一種能有效去除於剪切過程中產生之粉塵與吸附之 髒污’同時降低無塵室設置成本之塑膠鏡片之加工裝置及方法。 -種塑膠鏡>{之加X裝置’其包括-剪切裝置，—二氧化碳雪嗔職 置，及一真空吸附裝置。該剪切裝置用於剪切分離塑膝鏡片，該真空吸附裝 置用於吸晒持待剪切清洗之塑職片，該二氧化碳雪喷射裝置用於清洗塑 雜片，其對準真空吸附裝置用於吸附待處理置鏡片區域，以使二氧似炭雪 能夠喷射到該區域》 -種塑觀>；之加4法，其細如下娜：職麵職#半成品移 至一塑膠鏡片之加工裝置上，首先用真空吸附裝置吸附固持塑膝鏡片，當剪 洗塑膠鏡片表面，取下剪切下之塑膠鏡片，再用真空吸附裝置吸住其已經清 洗之塑膠鏡片表面予以固持，喷射二氧化礙雪清洗塑膠鏡片之另一表面。 相較於先前技術，上述加工裝置及方法之優點在於：首先，射出成型之 塑膠鏡片之剪切與清洗過程可以同時完成，不需要設置高等級之無塵室於 -般環境條件下即可進行，大大降低了塑職片之製作成本。其次，二氧化 碳喷洗法使用二氧化碳雪作為清洗媒介’使塑勝鏡片於剪切過程中產生之粉 塵與鏡片兩表面吸附之辦污得以有效之去除，降低了後續加工之清潔難度與 成本。 【實施方式】 下面將結合附圖及實施例對上述塑膠鏡片之加工裝置及方法作一步詳 細說明。 請參閱第二圖，本發明實施例提供一塑膠鏡片之加工裝置2Q，該裝置 20包括一剪切裝置22，一二氧/ft碳雪喷射裝置24，一真空吸附裝置26 <»優 選地，還可包括一熱風供應系統28。煎切裝置22包括一主體部分221，一 上剪切刀222，一下剪切刀223，及一承載底座224。該上剪切刀n、下剪 切刀223、承載底座224均位於主體部分221上，該真空吸附裝置26位於剪 切裝置22之承載底座224上，因其内部具有真空吸盤與真空發生器，當其 處於工作狀態時能夠自動牢固吸住塑膝鏡片12使其固定，上剪切刀222與 下剪切刀223可移動使其切口與真空吸附裝置26上之塑膠鏡片12與流道料 頭14之連接部15接觸。該二氧碳雪噴射裝置24具有一噴嘴241，能夠噴 射二氡化碳雪於塑職^ 12表面，二氧似炭雪係—種固態與氣態共存之二 氧化石厌，其呈雪花狀，用於清洗塑職^。該熱風供應系統及，能夠將產生 之乾燥清潔熱風吹拂到塑勝鏡片12表面。 凊-並參閱|^圖與第三圖，本發明實細於塑職諸出成型後，得 到塑職#之半成品，利用塑職#之加工裝置如加工塑雜#之方法， —ii作環境條件下進行，其具體實施方法為： 首先’將塑職# 12經由流道射出到具有四個歡之成型模具成型； 其次，將射出成型之塑職片12連同洗道料頭13與流道料頭14 一起 移至塑職片之加工裝置20上，使塑職片12與流道料頭14技接部15 位於剪切裝置22之上剪切刀222與下剪切刀223之間，並將塑麵;片之第 -表面121放置於真空吸附裝置沉上，利用真空吸附裝置26吸住塑職片 12予以固定； 然後，將二氧化碳雪喷射裝置24之噴嘴24i對準塑膠鏡片之第二表面 I22，開動剪切裝置22 ’移動上剪切刀222與下剪切刀223進行剪切，為使 剪切過程中產生之粉塵與塑膠鏡片12所吸附之辨污得到及時有效之清洗， 時開啟二氡化破雪喷射裝置况，高壓液態二氧化碳被釋放出來，通 過喷嘴241之降壓冷卻作用，會造成二氧化碳相態之瞬間轉變，會產生暫時 性固雜氣態共存相態之二氧化碳，敵為二氧化碳雪，亦稱為乾冰砂喷 塑面122進行清洗，持續時間可為o.Kj秒。呈雪花 狀固態二氧化碳微粒子喷射於塑膠鏡片之第二表面122時，因為與塑膠鏡片 H面122發生衝撞使本身壓力上升魏祕，而鱗液態二氧化碳可 被當做一種溶劑來使用，達到清洗之目的，而且固態二氧炭本身具有昇華 特性’亦有能力將部分污染物帶離塑職片之第二表面122。此外，喷嘴241 喷射出之高速流動氣態二氧化碳可以吹走大部分附著於表面之較大微塵 粒，同時當附著在塑膠鏡片之第二表面122之細小污染微塵粒受到固態二氧 化碳微粒撞擊時’二氧化碳微粒之動量將移轉至細小污染微塵粒，污染微塵 粒在獲得動量後’此動量大於表面附著力，污染微塵粒就脫離表面塑膠鏡片 第二表面122，被高速氣流帶走； 優選地，於上一步後，開啟熱風供應系統28，用乾燥清潔熱風吹拂塑膠 鏡片之第二表面122,以防止空氣中水氣凝結於塑膝鏡片之第二表面122 上，其溫度控制為4(rc，持續時間可為α：μα5秒； 再後’取下剪切下之塑膠鏡片12，用真空吸附裝置26吸住塑勝鏡片之 第二表面122 ’使塑雜片12固定，並放置於承載底座224上，將二氧化碳 雪喷射裝置24之喷嘴241對準鏡片之第一表面121，喷射二氧化碳雪進行清 洗’持續時間可為0.1-05秒； 優選地，於上一步後，開啟熱風供應系統28，用乾燥清潔熱風吹拂塑膠 鏡片之第二表面122,以防止空氣中水氣凝結於塑穋鏡片之第二表面122 上’其溫度控制為40°C ’持續時間可為〇.mx5秒； 最後’將清潔之成品塑膠鏡片12置入托盤内。 上述加工裝置及方法之優點在於：首先，射出成型之塑朦鏡片之剪切與 清洗過程可以同時完成，不需要設置高等級之無塵室，於一般環境條件下/即 可進行’大大降低了塑膠镜片之製作成本。其次，二氧化碳噴洗法使用二氧 化碳_域絲介，健職>}於物過程巾產生德麟制兩表面吸 附之髒污得以有效之去除，降低了後續加工之清潔難度與成本。 綜上所述，本發明符合發明專利要件，爰依法提出專利申請。惟，以上 所述者僅林侧之雛實施对，舉凡熟悉本紐#之人如纟援& 發明精神所作之等效修飾或變化，皆應包含於以下之申請專 ^ 【圖式簡單說明】 " 第一圖係一種經由射出成型所得之塑膠鏡片之半成品示意圖。 第二圖係本發明實施例之塑膠鏡片之加工裝置示意圖。^ 。 第三圖係本發明實施例之塑膠鏡片之加工方法示意圖。 【主要元件符號說明】 〜 12 洗道料頭 13 14 連接部 15 121 第二表面 122 20 剪切裝置 22 221 上剪切刀 塑膠鎖:片 流道料頭 第一表面 加工裝置 主體部分 222 Π39158 下剪切刀 223 承載底座 224 二氧彳喊雪喷射裝置 24 喷嘴 241 真空吸附裝置 26 熱風供應系統 28 ⑧IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a processing apparatus and method for a plastic lens. [Prior Art] With the rapid development of the optoelectronic industry in recent years, the range of applications of digital lenses from digital camera lenses to high-precision optical disc reading heads is increasing. At the same time, the quality and precision requirements for plastic lenses are increasing. The advantages of plastic lenses are light weight, and they can be mass-produced and reduced in cost by means of injection molding. Therefore, the injection molding process technology has been widely applied to plastic products with light weight and large quantity, and the process technology is relatively hot, generally including: Injection - > Holding - Cooling - Demoulding - Shearing - Finished - Subsequent processing. The first figure shows a schematic view of a plastic lens semi-finished product 10 which is ejected-pressure-cooled-released. The four plastic lenses 12 are connected by a material head 13 to a runner head 14. During the shear-finish process, the plastic lens 12 is transferred to the shearing device together with the runner head 13 and the runner head 14 to shear the plastic lens 12 from the runner head 13 and the runner head 14. The finished plastic lens 12 can selectively perform subsequent processes such as a mineral film as needed to improve its optical characteristics. In the prior art, since the plastic lens 12 is separated from the runner head 13 and the runner head 14 by a shearing process, dust is easily generated during the shearing process, and the dielectric constant of the plastic material is high, and the dirt in the environment is easily adsorbed. To make the surface of the plastic lens dirty, thus affecting the quality of the lens. In order to control the contamination of the surface of the plastic lens due to dust and adsorption, it is generally necessary to set a high-grade clean room of 100 or more in the lens injection molding process, resulting in an increase in the cost of manufacturing the plastic lens. Even so, the dust generated during the shearing process will inevitably remain on the plastic lens. This will affect the subsequent plastic lens manufacturing and increase the cleaning cost, ultimately affecting the quality of the plastic lens product. In view of this, it is necessary to provide a processing device and method for a plastic lens, and to reduce the manufacturing cost of the injection molded plastic lens. SUMMARY OF THE INVENTION Hereinafter, a processing apparatus and method for a plastic lens capable of effectively removing dust generated during shearing and adsorbing dirt while reducing the cost of setting a clean room will be described by way of examples. - a plastic mirror > {plus X device' which includes a - shearing device, a carbon dioxide snow shovel, and a vacuum adsorption device. The shearing device is used for shearing and separating the plastic knee lens, and the vacuum adsorption device is used for sucking and drying the plastic sheet to be cut and cleaned, and the carbon dioxide snow spraying device is used for cleaning the plastic sheet, which is aligned with the vacuum adsorption device. Adsorbing the area of the lens to be treated, so that the dioxin-like carbon snow can be sprayed into the area. - Adding the method of adding the following method, which is as follows: Na: Job No. #Semi-finished product moved to a plastic lens processing On the device, firstly, the plastic knee lens is adsorbed and fixed by a vacuum adsorption device. When the surface of the plastic lens is sheared, the plastic lens under cutting is removed, and then the surface of the plastic lens that has been cleaned is held by a vacuum adsorption device to be held, and the second surface is sprayed. The other surface of the plastic lens is cleaned by snow. Compared with the prior art, the above processing apparatus and method have the advantages that: first, the cutting and cleaning process of the injection molded plastic lens can be completed at the same time, and it is not necessary to set a high-grade clean room under the general environmental conditions. , greatly reducing the production cost of plastic film. Secondly, the carbon dioxide spray method uses carbon dioxide snow as a cleaning medium to effectively remove the dust generated by the plastic lens during the shearing process and the adsorption on both surfaces of the lens, thereby reducing the cleaning difficulty and cost of subsequent processing. [Embodiment] Hereinafter, the above-described processing apparatus and method for a plastic lens will be described in detail with reference to the accompanying drawings and embodiments. Referring to the second figure, an embodiment of the present invention provides a plastic lens processing device 2Q. The device 20 includes a shearing device 22, a dioxometer/ft carbon snow spraying device 24, and a vacuum adsorption device 26. A hot air supply system 28 can also be included. The frying device 22 includes a body portion 221, an upper shearing knife 222, a lower shearing knife 223, and a carrying base 224. The upper shearing knife n, the lower shearing blade 223, and the carrying base 224 are all located on the main body portion 221, and the vacuum adsorption device 26 is located on the carrying base 224 of the shearing device 22, and has a vacuum chuck and a vacuum generator therein. When it is in working state, it can automatically hold the plastic knee lens 12 to fix it, and the upper shearing knife 222 and the lower shearing knife 223 can be moved to make the slit and the plastic lens 12 and the flow channel head on the vacuum adsorption device 26. The connection portion 15 of 14 is in contact. The carbon dioxide snow spraying device 24 has a nozzle 241, which is capable of spraying carbon dioxide on the surface of the plastic body 12, and the carbon dioxide is a carbon dioxide-type solid-state and gaseous co-existing stone oxide, which has a snowflake shape. Used to clean plastic jobs ^. The hot air supply system and the dry clean hot air generated can be blown onto the surface of the plastic lens 12.凊-See also the |^ diagram and the third diagram, the present invention is actually finely molded after the plastics are formed, and the semi-finished product of the plastic job# is obtained, and the processing device of the plastic job# is processed, such as the method of processing plastic #, ii for the environment. Under the conditions, the specific implementation method is as follows: Firstly, the plastic job #12 is injected through the flow path to the molding mold having four Huan's forming molds; secondly, the injection molded plastic sheet 12 is combined with the shampoo head 13 and the flow path. The material head 14 is moved together to the processing device 20 of the plastic sheet, so that the plastic sheet 12 and the runner 14 of the runner head 14 are located between the shearing blade 222 and the lower shearing knife 223 on the shearing device 22, And the first surface 121 of the sheet is placed on the vacuum adsorption device, and the plastic sheet 12 is sucked by the vacuum suction device 26 to be fixed; then, the nozzle 24i of the carbon dioxide snow spraying device 24 is aligned with the plastic lens. The two surfaces I22 start the shearing device 22' to move the upper shearing knife 222 and the lower shearing blade 223 for shearing, so as to timely and effectively clean the dust generated by the shearing process and the plastic lens 12. When the two-in-one snow breaking device is turned on, high-pressure liquid dioxide is activated. It is released, and the pressure-reducing cooling action of the nozzle 241 causes an instantaneous transition of the carbon dioxide phase state, which generates a temporary solid gas phase coexisting phase carbon dioxide, which is called carbon dioxide snow, also known as dry ice sand spray surface 122. Cleaning, duration can be o.Kj seconds. When the snow-like solid carbon dioxide particles are sprayed on the second surface 122 of the plastic lens, the collision with the plastic lens H surface 122 causes the pressure to rise, and the scale liquid carbon dioxide can be used as a solvent to achieve the purpose of cleaning. Moreover, the solid dioxygen carbon itself has sublimation characteristics' and also has the ability to carry some of the contaminants away from the second surface 122 of the plastic sheet. In addition, the high-speed flowing gaseous carbon dioxide ejected from the nozzle 241 can blow away most of the fine dust particles attached to the surface, while the small polluted dust particles attached to the second surface 122 of the plastic lens are hit by the solid carbon dioxide particles. The momentum will be transferred to the fine polluted dust particles. After the dust particles are obtained, the momentum is greater than the surface adhesion. The contaminated dust particles are separated from the second surface 122 of the surface plastic lens and are carried away by the high-speed airflow; preferably, After one step, the hot air supply system 28 is turned on, and the second surface 122 of the plastic lens is blown with dry and clean hot air to prevent moisture in the air from condensing on the second surface 122 of the plastic knee lens, and the temperature is controlled to 4 (rc, duration). It can be α:μα5 seconds; then the plastic lens 12 under the cutting is removed, and the second surface 122 of the plastic lens is sucked by the vacuum suction device 26 to fix the plastic sheet 12 and placed on the bearing base 224. The nozzle 241 of the carbon dioxide snow spraying device 24 is aligned with the first surface 121 of the lens, and the carbon dioxide snow is sprayed for cleaning. The duration may be 0. 1-05 seconds; preferably, after the previous step, the hot air supply system 28 is turned on, and the second surface 122 of the plastic lens is blown with dry and clean hot air to prevent moisture in the air from condensing on the second surface 122 of the plastic lens. The temperature is controlled to 40 ° C 'duration can be 〇.mx 5 seconds; finally 'clean the finished plastic lens 12 into the tray. The advantages of the above processing device and method are: first, the injection molded plastic lens The cutting and cleaning process can be completed at the same time, no need to set a high-grade clean room, under the general environmental conditions / can be carried out 'greatly reduce the production cost of plastic lenses. Secondly, the carbon dioxide spray method uses carbon dioxide _ domain silk, Health Care>} The physical process towel produces the dirt of the two surfaces adsorbed by Delin, which effectively removes the cleaning difficulty and cost of subsequent processing. In summary, the invention complies with the invention patent requirements, and patents according to law Application. However, the above-mentioned only the younger side of the forest side is implemented, and all equivalent modifications or changes made by those who are familiar with Ben New #, such as 纟 && The following application is a simple description of the drawings. The first figure is a schematic view of a semi-finished product of a plastic lens obtained by injection molding. The second figure is a schematic diagram of a processing device for a plastic lens according to an embodiment of the present invention. A schematic diagram of a processing method of a plastic lens according to an embodiment of the present invention. [Description of main component symbols] ~ 12 Scrubbing material head 13 14 Connecting portion 15 121 Second surface 122 20 Shearing device 22 221 Upper shearing knife plastic lock: sheet flow Ball head first surface processing device main body portion 222 Π 39158 lower shearing knife 223 carrying base 224 dioxin squeaking snow spraying device 24 nozzle 241 vacuum adsorption device 26 hot air supply system 28 8