200935110 九、發明說明： • 【發明所屬之技術領域】 本發明涉及光學鏡頭製程，尤其涉及一種使鏡筒於鏡 ' 座内精確定位之鏡筒旋入裝置及鏡筒定位方法。 【先前技術】 隨著多媒體技術之飛速發展，數位相機、攝像機及帶 有攝像頭之手機越來越受廣大消費者青睞，於人們對數位 ❹相機、攝像機及手機攝像頭拍攝物體之影像品質提出更古 要求之同時，對數位相機、攝像機及帶有攝像頭之手機等 產品之輕薄化也提出了更高之要求。 相機模組之生產過程中，首先將鏡片、支撐柱、間隔 環及滤光片等光學元件順序組入鏡筒，然後再將鏡筒旋入 鏡座内，鏡筒通過螺紋連接方式固定於鏡座内，鏡座内設 置有影像感測器。定焦相機模組整個光學系統之焦距係固 疋，為了成像，顯像單元位於一倍焦距與二倍焦距之間。 〇 一種鏡筒旋入裝置，包括鏡筒夾具及鏡座轉盤。0該鏡 座^盤用於固定鏡座並帶動其旋轉，該鏡筒爽具用於絲 鏡同。該鏡座轉盤和鏡筒夾具上分別設置有對準儀發射端 和對準儀接收端。該對準儀接收端接收 ㈣ *之訊號後由鏡筒夾具對鏡筒之位置進行調整儀== 置可檢測旋入時鏡筒和鏡座是否對心，惟，該鏡筒旋入裝 置無法檢測影像感測器是精確定位。 、 【發明内容】 有鑒於此’有必要提供一 種使鏡筒於鏡座内精確定位 200935110 .之鏡筒旋入裝置及鏡筒定位方法。 狄一種鏡筒旋人裝置’用來將鏡筒旋人鏡座中，其包括 鏡间土具及固疋裝置，該固定裝置用來固定該鏡座，該鏡 座内設置有影像感測器，該鏡筒夹具用於夾取該鏡筒並移 動、旋轉鏡筒，該鏡筒内容納有光學系統，該鏡筒爽具上 設置有發出平行光之光源，該平行光平行於該光學系統之 光軸，該平行纽過該光學系統後照射至該影像感測器上。 ❹ 一種鏡筒定位方法’其包括以下步驟： 提供一種鏡筒旋入裝置，該鏡筒旋入裝置包括鏡筒夾 具及固疋裝置，該固定裝置用來固定鏡座，該鏡座内設置 有影像感測器，該鏡筒夹具用於夹取鏡筒並移動、旋轉鏡 筒該鏡筒内容納有光學系統，該鏡筒夾具上設置有發出 平订光之光源，該平行光平行於該光學系統之光軸，該平 行光經過該光學系統後照射至該影像感測器上； 將鏡座固定於固定裝置上； ❹ 用鏡筒夾具將鏡筒夾持並旋入鏡座中； 開啟光源； 鏡筒夾具根據影像感測器得到之圖像調整鏡筒旋入鏡 座之深度。 與先前技術相比，本發明實施例鏡筒旋入裝置及鏡筒 定位方法通過即時比較影像感測器上之光斑大小來確定鏡 筒疋否疋位，因此，該鏡筒旋入裝置可準確地將鏡筒旋入 合適之位置，該檢測鏡筒於鏡座内定位之方法能精確地檢 測鏡筒是否定位。 200935110 【實施方式】 ' 下面將結合附圖對本發明作進一步詳細說明。 • 如圖1所示，其為本發明實施例提供之一種鏡筒旋入 ' 裝置10。該旋入裝置10包括鏡筒夹具12和固定裝置14。 鏡筒夾具12用於夾取鏡筒20,鏡筒20内設置有光學 系統210，光學系統210包括鏡片、濾光片、光圈等。鏡筒 夾具12包括夾持部120、機械手臂122和設置於夾持部120 A 上之光源18。 夾持部120為半封閉之圓筒結構，夾持部120 —端之 内壁上設置有與鏡筒20相匹配之嚙齒124，於夾取鏡筒20 時該嚙齒124與鏡筒20外部之齒狀結構相配合，用於固定 並夾取鏡筒20。 機械手臂122固定於夾持部120另一端，用於控制夾 持部120移動和轉動方向，從而將鏡筒20置入鏡座22中。 光源18位於夾持部120中心位置，光源18可發出平 ❿行光，平行光平行於光學系統210之光轴。 固定裝置14用來固定鏡座22，固定裝置14上設置有 一個用來容納鏡座22之容置槽142,鏡座22内設置有影像 感測器220，光源18發出之平行光經過光學系統210後照 射至影像感測器220上。 當然，夾持部120可連接一個驅動馬達，由驅動馬達 驅動夹持部120移動和轉動。200935110 IX. Description of the Invention: • Technical Field of the Invention The present invention relates to an optical lens manufacturing process, and more particularly to a lens barrel screwing device and a lens barrel positioning method for accurately positioning a lens barrel in a mirror housing. [Prior Art] With the rapid development of multimedia technology, digital cameras, camcorders and mobile phones with cameras are increasingly favored by consumers, and the image quality of digital cameras, cameras and mobile phone cameras is more ancient. At the same time, the requirements for digital camera, camcorder and mobile phone with camera are also higher. In the production process of the camera module, the optical components such as the lens, the support column, the spacer ring and the filter are sequentially assembled into the lens barrel, and then the lens barrel is screwed into the lens holder, and the lens barrel is fixed to the mirror by a screw connection. In the seat, an image sensor is arranged in the lens holder. The focal length of the entire optical system of the fixed-focus camera module is fixed. For imaging, the developing unit is located between one focal length and two focal lengths. 〇 A lens barrel screwing device, including a lens barrel holder and a mirror holder turntable. 0 The lens holder is used to fix the mirror holder and drive it to rotate. The tube tube is used for the same mirror. The illuminator turntable and the lens barrel fixture are respectively provided with an aligner emitting end and an aligner receiving end. After receiving the signal signal (4)*, the receiver receives the signal from the lens holder and adjusts the position of the lens barrel. == It can detect whether the lens barrel and the lens holder are opposite to each other when screwing in. However, the lens barrel cannot be screwed into the device. The detection image sensor is precisely positioned. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a lens barrel screwing device and a lens barrel positioning method for accurately positioning the lens barrel in the lens holder. A lens barrel rotation device is used to rotate the lens barrel into the lens holder, which comprises an inter-mirror soil fixture and a fixing device for fixing the lens holder, and an image sensor is arranged in the lens holder. The lens barrel clamp is configured to clamp the lens barrel and move and rotate the lens barrel. The lens barrel houses an optical system, and the lens tube is provided with a light source that emits parallel light, and the parallel light is parallel to the optical system. The optical axis is incident on the image sensor after passing through the optical system.镜 A lens barrel positioning method includes the following steps: providing a lens barrel screwing device, the lens barrel screwing device comprising a lens barrel holder and a fixing device, wherein the fixing device is used for fixing the lens holder, and the lens holder is provided with An image sensor for gripping the lens barrel and moving and rotating the lens barrel. The lens barrel houses an optical system. The lens barrel fixture is provided with a light source for emitting flat light, and the parallel light is parallel to the image. An optical axis of the optical system, the parallel light passes through the optical system and is irradiated onto the image sensor; the lens holder is fixed on the fixing device; 夹持 the lens barrel is clamped and screwed into the lens holder; Light source; The lens barrel fixture adjusts the depth of the lens barrel into the lens holder according to the image obtained by the image sensor. Compared with the prior art, the lens barrel screwing device and the lens barrel positioning method of the embodiment of the present invention determine whether the lens barrel is clamped by instantly comparing the spot size on the image sensor, so that the lens barrel screwing device can be accurately The lens barrel is screwed into a suitable position, and the method of positioning the detecting lens barrel in the lens holder can accurately detect whether the lens barrel is positioned. 200935110 [Embodiment] The present invention will be further described in detail below with reference to the accompanying drawings. • As shown in FIG. 1 , it is a lens barrel screwed into the device 10 according to an embodiment of the present invention. The screwing device 10 includes a barrel clamp 12 and a fixture 14. The lens barrel holder 12 is for gripping the lens barrel 20, and the lens barrel 20 is provided with an optical system 210 including a lens, a filter, an aperture, and the like. The barrel clamp 12 includes a grip portion 120, a robot arm 122, and a light source 18 disposed on the grip portion 120A. The clamping portion 120 is a semi-closed cylindrical structure, and the inner wall of the end portion of the clamping portion 120 is provided with a rod 124 matched with the lens barrel 20, and the rod 124 and the outer portion of the barrel 20 are captured when the barrel 20 is gripped The structure is matched to fix and grip the lens barrel 20. The robot arm 122 is fixed to the other end of the clamping portion 120 for controlling the movement and rotation direction of the clamping portion 120, thereby placing the lens barrel 20 into the lens holder 22. The light source 18 is located at the center of the nip 120, and the light source 18 emits parallel light which is parallel to the optical axis of the optical system 210. The fixing device 14 is used for fixing the lens holder 22. The fixing device 14 is provided with a receiving groove 142 for receiving the lens holder 22. The image sensor 220 is disposed in the lens holder 22, and the parallel light emitted by the light source 18 passes through the optical system. After 210, the image is irradiated onto the image sensor 220. Of course, the gripping portion 120 can be coupled to a drive motor that is driven to move and rotate by the drive motor.
圖2至圖4中，鏡筒20内之光學系統210等效為鏡片 30，00'為光學系統210之光軸、0'為焦點、f為焦距，L 200935110 為光源18發出之平行光，鏡座22内之影像感測器22〇等 效為顯像面板40。 如圖2所示，當鏡筒20旋入鏡座22之位置使得顯像 面板40位於焦點〇'處，即鏡片3〇與顯像面板4〇之間距等 於f’光線L於顯像面板40上之光斑之面積最小，此時 靖20已經精確定位。 〇 ❿ 如圖3所示，當顯像面板40位於鏡片3〇與焦點之 間，即鏡片30與顯像面板40之間距小於f，光線l於頻像 面板40上之光斑之面積大於圖2中顯像面板4〇上光斑之 面積，此時，需要機械手臂122旋轉夾持部12〇使得鏡筒 20旋出鏡座22,從而使鏡片30與顯像面板4〇之間之 增大’以使顯像面板40位於焦點〇'處。 如圖4所示，當顯像面板4〇位於焦點〇,之外，即鏡片 30與顯像面板40之間距大於f，光線L於顯像面板上 之光斑之面積大於圖2中顯像面板4〇上光斑之面積，此 時，需要機械手臂122旋轉夾持部12〇使得鏡筒2〇進一步 旋進鏡座22,從而使鏡片30與顯像面板4〇之間之距離^ 小，以使顯像面板40位於焦點〇'處。 通過比較顯像面板40上之光斑大小可得出鏡筒加旋 進鏡座22中之位置是否符合要求。當光斑之面積 ， 鏡筒20旋進鏡座22中之位置符合要求， ^ 人〈’則不符合 要求，需要機械手臂122旋轉夾持部12〇使 或旋出鏡座22。 使传鏡商20旋進 綜上所述 本發明確已符合發明專利之要件 遂依法 8 200935110 :出：：：明惟’以上所述者僅為本發明之較佳實施方 ^自W限制本案之申請㈣範圍。舉凡孰悉本宰 技盛之人士援依本發明之精神所作之 : 應涵蓋於以下申請專利範圍内。 4飾或變化，皆 【圖式簡單說明】 圖1係本發明實施例鏡筒旋入裝置之示音圖。 圖2係鏡筒旋入定位示意圖。 “ θ ❹ 圖3係鏡筒第一種未定位示意圖。 圖4係鏡筒第二種未定位示意圖。 【主要元件符號說明】 旋入裝置 10 鏡筒夹具 12 固定装置 14 光源 18 鏡筒 20 鏡座 22 鏡片 30 顯像面板 40 失持部 120 機械手臂 122 嗜齒 124 容置槽 142 光學系統 2102 to 4, the optical system 210 in the lens barrel 20 is equivalent to the lens 30, 00' is the optical axis of the optical system 210, 0' is the focus, f is the focal length, and L200935110 is the parallel light emitted by the light source 18, The image sensor 22A in the lens holder 22 is equivalent to the development panel 40. As shown in FIG. 2, when the lens barrel 20 is screwed into the lens holder 22, the development panel 40 is located at the focus 〇', that is, the distance between the lens 3 〇 and the development panel 4 等于 is equal to the f ray L to the development panel 40. The area of the spot is the smallest, and Jing 20 has been accurately positioned. As shown in FIG. 3, when the developing panel 40 is located between the lens 3〇 and the focus, that is, the distance between the lens 30 and the developing panel 40 is less than f, the area of the light spot on the frequency image panel 40 is larger than that of FIG. 2 . The medium imaging panel 4 is on the area of the spot. At this time, the mechanical arm 122 is required to rotate the clamping portion 12 so that the lens barrel 20 is screwed out of the lens holder 22, thereby increasing the gap between the lens 30 and the developing panel 4'. The development panel 40 is placed at the focus 〇'. As shown in FIG. 4, when the developing panel 4 is located outside the focus, that is, the distance between the lens 30 and the developing panel 40 is greater than f, the area of the light spot on the developing panel is larger than that in the developing panel of FIG. 4, the area of the spot on the spot, at this time, the robot arm 122 is required to rotate the clamping portion 12 so that the lens barrel 2 is further screwed into the lens holder 22, so that the distance between the lens 30 and the developing panel 4 is small, so that The development panel 40 is placed at the focus 〇'. By comparing the spot size on the development panel 40, it can be determined whether the position of the lens barrel and the screw-in mirror holder 22 is satisfactory. When the area of the spot, the position of the lens barrel 20 into the lens holder 22 meets the requirements, the person does not meet the requirement, and the robot arm 122 is required to rotate the clamping portion 12 to rotate or rotate the lens holder 22. The present invention has indeed met the requirements of the invention patent. 8 200935110: Out::: Ming Wei' The above is only the preferred embodiment of the present invention. Application (4) scope. Anyone who is aware of the skills of Benjamin is responsible for the spirit of the present invention: It should be covered by the following patents. 4 Decorations or Variations, [Simplified Description of the Drawings] FIG. 1 is a sound diagram of a lens barrel screwing device according to an embodiment of the present invention. Figure 2 is a schematic view of the screw-in positioning of the lens barrel. “θ ❹ Figure 3 is the first unoriented schematic view of the lens barrel. Figure 4 is a second unoriented schematic view of the lens barrel. [Main component symbol description] Screw-in device 10 Tube clamp 12 Fixing device 14 Light source 18 Barrel 20 Mirror Seat 22 Lens 30 Development panel 40 Loss portion 120 Robot arm 122 Tooth 124 accommodating groove 142 Optical system 210