200800543 ‘ 九、發明說明： 〃 【發明所屬之技術領域】 本發明涉及一種夾持裝置，尤其係一種用於夾持待剪 切鏡片之夾持裝置。 【先前技術】 目前，塑膠鏡片因其成本低而被廣泛應用於數位相 機、攝像手機等消費性電子產品。通常，塑膠鏡片由射出 籲成型法制作。圖1所示為Η型流道成型之塑膠鏡片之示意 圖。該Η型流道成型之成型元件30包括八個一次成型之塑 膠鏡片 321、322、323、324、325、326、327、328，該八 個塑膠鏡片藉由流道料頭36與洗道料頭34連接於一起。對 成型元件30進行剪切之前，需採用一夾持裝置先行將待剪 切塑膠鏡片夾持住。然而，對於該種Η型流道成型之成型 元件30，其塑膠鏡片321與塑膠鏡片322及流道料頭36之間 相隔之距離較近，夾持待剪切塑膠鏡片321時，夾持裝置易 • 於與塑膠鏡片322或/及流道料頭36産生碰撞而導致鏡片損 壞，進而導致鏡片良率不高。 有鑒於此，有必要提供一種夾持裝置，其可避免對鏡 片夾持過程中與其他鏡片或/及流道料頭産生碰撞。 【發明内容】 下面將以具體實施例說明一種夾持裝置，其可避免對 鏡片夾持過程中與其他鏡片或/及流道料頭産生碰撞。 一種夾持裝置，其可用於夾持具有光學區域及環繞該 光學區域之機構區域之待剪切鏡片，該夾持裝置包括相對 5 200800543 設置之第一夾持臂及第二夾持臂以及驅動機構，該驅動機 構與第一及第二夾持臂相連，用於驅動第一夾持臂及第二 夾持臂沿相互靠近或遠離之方向移動，該第一夾持臂及第 二夾持臂分別包括固持機構，以及設置於該固持機構上& 收容部，當第一夾持臂與第二夾持臂之固持機構夾持待剪 切鏡片時，所述收容部將該待剪切鏡片之光學區域收容於 其内。 當利用所述夾持裝置對待剪切鏡片（尤其係Η型流道 成型之待剪切鏡片）進行夾持時，由於其第一夾持臂與第二 夾持臂之固持機構藉由其收容部之設置可沿鏡片光轴方向 從鏡片之兩側對鏡片進行夾持，其可避免因夾持臂與鏡片 或/及流道料頭産生碰撞而導致之鏡片損壞，進而可保證鏡 片良率。 【實施方式】 下面將結合附圖對本發明作進一步詳細說明。 =見圖2 ’本發明實施例提供之失持裝置4〇包括] 撐機構42，夹持臂44、46，及驅動機構48。 料支撐所述夾持臂44及仏。該」 撐機構42包括本體42〇，滑槽422 槽422設於本體·之-側。所 J杆—。所达/ 樣上與滑槽422相對之另—側，該支^杵似可設於本; 係一體的，當外力作用於支撐 *杵424與本體4: 帶動所述本體42〇 一起 …4時，該支撐杆424 . # 〇 424 M ; _柱等，其可耦> 200800543 ’ 於一馬達（圖未示出）以便操作該夹持裝置40。 • 所述夾持臂44包括連接機構444及固持機構446。該 連接機構444 一端與固持機構446相連，另一端與滑槽422 相配合並滑動連接。另外，該連接機構444與滑槽滑動連 接之一端設有通孔4440，該通孔4440之外圍侧壁上設有 内螺紋。所述固持機構446設有收容部4460。通常，待剪 切鏡片具有光學區域及環繞於該光學區域之機構區域。所 _ 述固持機構446之收容部4460之形狀與該待剪切鏡片之光 學區域之形狀相匹配，從而該收容部4460可將所述光學區 域收容於其内。本實施例中，所述固持機構446為一個圓 筒’其收容部4460為圓柱形通孔，該圓柱形通孔之直徑等 於或略大於待剪切鏡片光學區域之直徑。 另一夾持臂46與夾持臂44相對設置，其結構設置與 夹持臂44相同。該夾持臂46包括連接機構464及固持機 構466 ’所述連接機構464包括設有内螺紋之通孔4640， • 所述固持機構466包括收容部4660。 為要說明的是，所述固持機構446、466之收容部4460 及4660並不局限於圓柱形通孔，其還可以係如圖3所示之 東^/凹槽4460a及4660a或如圖4所示之圓柱形凹槽4460b 及4660b等。所述球形凹槽4460a及4660a開口處之直徑 等於或略大於待剪切鏡片光學區域之直徑，並且該球形凹 槽4460a及4660a之深度等於或大於光學區域之高度；所 述圓柱形凹槽4460b及4660b之直徑等於或略大於待剪切 鏡片光學區域之直徑，並且圓柱形凹槽446〇b、466〇b之深 7 200800543 度等於或大於待剪切鏡片光學區域之高度。另外，所述固 持機構446、466之收容部4460及4660也可分別採用不同 之开>狀’例如，固持機構446之收容部4460為圓柱形通孔 而固持機構466之收容部4660為圓柱形凹槽。200800543 ‘ IX. Description of the Invention: 〃 Technical Field of the Invention The present invention relates to a clamping device, and more particularly to a clamping device for holding a lens to be cut. [Prior Art] At present, plastic lenses are widely used in consumer electronic products such as digital cameras and camera phones because of their low cost. Usually, plastic lenses are produced by injection molding. Figure 1 is a schematic view of a plastic lens formed by a meandering flow path. The 流-shaped flow path forming forming element 30 comprises eight one-time forming plastic lenses 321, 322, 323, 324, 325, 326, 327, 328, which are fed by the flow path head 36 and the washing material The heads 34 are connected together. Prior to shearing the forming element 30, a clamping device is required to hold the plastic lens to be cut first. However, for the molding element 30 of the crucible flow path, the distance between the plastic lens 321 and the plastic lens 322 and the flow path head 36 is relatively close, and the clamping device is clamped when the plastic lens 321 is to be sheared. Easy to collide with the plastic lens 322 or / and the flow path head 36, resulting in damage to the lens, resulting in low lens yield. In view of the above, it is desirable to provide a clamping device that avoids collisions with other lenses and/or runner heads during lens clamping. SUMMARY OF THE INVENTION A holding device will be described in the following by means of a specific embodiment which avoids collision with other lenses or/or runner heads during lens clamping. A clamping device for clamping a lens to be cut having an optical region and a mechanism region surrounding the optical region, the clamping device comprising a first clamping arm and a second clamping arm and a driving device disposed relative to 5 200800543 a mechanism, the driving mechanism is connected to the first and second clamping arms for driving the first clamping arm and the second clamping arm to move toward or away from each other, the first clamping arm and the second clamping The arm includes a holding mechanism and a receiving portion disposed on the holding mechanism. When the first clamping arm and the holding mechanism of the second clamping arm hold the lens to be cut, the receiving portion is to be cut. The optical area of the lens is received therein. When the lens is to be clamped by the clamping device, in particular, the lens to be cut, which is formed by the flow path, the holding mechanism of the first clamping arm and the second clamping arm is accommodated by the holding mechanism The arrangement of the lens can clamp the lens from both sides of the lens along the optical axis of the lens, which can avoid lens damage caused by collision between the clamping arm and the lens or/and the flow channel head, thereby ensuring the lens yield. . [Embodiment] Hereinafter, the present invention will be further described in detail with reference to the accompanying drawings. = see Fig. 2 'The detent device 4' provided by the embodiment of the present invention includes a brace mechanism 42, a clamping arm 44, 46, and a drive mechanism 48. The material supports the gripping arms 44 and the weirs. The support mechanism 42 includes a body 42〇, and the slot 422 is provided on the side of the body. J rod —. The other side of the sample is opposite to the chute 422, and the branch can be arranged in the present; when the external force acts on the support * 424 and the body 4: the main body 42 is driven together... 4 At this time, the support rod 424 . . . 〇 424 M; _ column or the like, which can be coupled to a motor (not shown) to operate the clamping device 40. • The clamping arm 44 includes a coupling mechanism 444 and a holding mechanism 446. The connecting mechanism 444 has one end connected to the holding mechanism 446 and the other end being matched with the sliding slot 422 and slidably connected. In addition, one end of the connecting mechanism 444 and the sliding slot of the sliding slot is provided with a through hole 4440, and the peripheral side wall of the through hole 4440 is provided with an internal thread. The holding mechanism 446 is provided with a receiving portion 4460. Typically, the lens to be cut has an optical area and a mechanism area surrounding the optical area. The shape of the receiving portion 4460 of the holding mechanism 446 matches the shape of the optical region of the lens to be cut, so that the receiving portion 4460 can accommodate the optical region therein. In this embodiment, the holding mechanism 446 is a circular cylinder. The receiving portion 4460 is a cylindrical through hole having a diameter equal to or slightly larger than the diameter of the optical region of the lens to be cut. The other clamping arm 46 is disposed opposite the clamping arm 44 and is configured the same as the clamping arm 44. The clamping arm 46 includes a coupling mechanism 464 and a retaining mechanism 466'. The coupling mechanism 464 includes a through hole 4640 having an internal thread. The retaining mechanism 466 includes a receiving portion 4660. It is to be noted that the receiving portions 4460 and 4660 of the holding mechanisms 446, 466 are not limited to the cylindrical through holes, and may also be the east/grooves 4460a and 4660a as shown in FIG. Cylindrical recesses 4460b and 4660b are shown. The diameter of the opening of the spherical recesses 4460a and 4660a is equal to or slightly larger than the diameter of the optical region of the lens to be sheared, and the depth of the spherical recesses 4460a and 4660a is equal to or greater than the height of the optical region; the cylindrical recess 4460b And the diameter of 4660b is equal to or slightly larger than the diameter of the optical region of the lens to be sheared, and the depth of the cylindrical recess 446 〇 b, 466 〇 b is equal to or greater than the height of the optical region of the lens to be sheared. In addition, the accommodating portions 4460 and 4660 of the holding mechanisms 446 and 466 can also be differently opened. For example, the accommodating portion 4460 of the holding mechanism 446 is a cylindrical through hole and the accommodating portion 4660 of the holding mechanism 466 is a cylinder. Shaped groove.
所述驅動機構48包括螺杆480,482及固定裝置484。 所述螺杆480藉由固持裝置484固持於滑槽422内之一端 並可於固持裝置484固持下繞其自身之中心軸線轉動。該 螺杆480之外表面設有可與所述通孔4440外圍侧壁上之内 螺紋相嚙合之外螺紋。所述連接機構444藉由通孔444〇之 内螺紋與螺杆480之外螺紋之相互嚙合而套設於螺杆48〇 上，當螺杆480轉動時，連接機構444可於螺杆48〇之驅 動下帶動夹持臂44之固持機構446沿滑槽422移動。所述 螺杆482藉由固持裝置484固持於滑槽422内與螺杆邮〇 =對之另-端。該螺杆482之結構設置與螺杆伽相似， 二外表面設有可與通孔464〇之内螺紋相嚙合之外螺紋，所 述連接機構464藉由通孔464〇之内螺紋與螺杆48 =之相互喝合而套設於螺杆482上，從而#螺杆482轉動 時’連接機構464可於螺杆482之驅動下帶動失持 固持機構466沿滑槽422移動。 、 優選的，㈣鱗μ 4G還可與電動機⑽ 配己，以驅動螺杆480及482分別繞其 …、出） 動。 、目身之中心軸線轉 參見圖5，下面將且轉+ 流道成型·切鏡片;2==料置4〇夹持_ 8 200800543 向相互t藉由驅動機構48驅動失持臂44及46沿滑槽似 及466::之方向移動’以使失持臂44及46之固持機構料6 =由韓1 之㈣大於所料剪切鏡片321之厚度。本實施 例猎由轉動螺杆480、482來分別驅動夾持臂44之連接機槿 444及夹持臂46之連接機構464，==機構 滑槽422向相互遠離之方向移動。 ' 接著’將該爽持裝置40靠近待剪切鏡片321並使炎持臂The drive mechanism 48 includes screws 480, 482 and a fixture 484. The screw 480 is held by one end of the sliding slot 422 by the holding device 484 and can be rotated about its central axis by the holding device 484. The outer surface of the screw 480 is provided with a thread which is engageable with the internal thread on the peripheral side wall of the through hole 4440. The connecting mechanism 444 is sleeved on the screw 48 by the internal thread of the through hole 444 and the external thread of the screw 480. When the screw 480 rotates, the connecting mechanism 444 can be driven by the screw 48〇. The retaining mechanism 446 of the clamp arm 44 moves along the chute 422. The screw 482 is held in the chute 422 by the holding device 484 and the other end of the screw. The screw 482 is configured similarly to the screw gamma, and the outer surface is provided with a thread that can mesh with the internal thread of the through hole 464, and the connecting mechanism 464 is screwed by the internal thread of the through hole 464 and the screw 48 = When the screw 482 is rotated, the connecting mechanism 464 can drive the lost holding mechanism 466 to move along the sliding slot 422 under the driving of the screw 482. Preferably, the (4) scale μ 4G can also be coupled to the motor (10) to drive the screws 480 and 482 to respectively move around. Refer to Figure 5 for the center axis of the eye, and turn + flow path forming and cutting the lens; 2 ==Material 4〇 Clamp_ 8 200800543 The tweeter arms 44 and 46 are driven by the drive mechanism 48 to each other. Move along the chute and 466:: direction so that the holding mechanism 6 of the misaligned arms 44 and 46 = (4) is larger than the thickness of the shear lens 321 of the material. In the present embodiment, the connecting mechanism 464 of the clamping arm 44 and the connecting mechanism 464 of the clamping arm 46 are respectively driven by the rotating screws 480, 482, and the == mechanism chute 422 is moved away from each other. 'Next' to hold the holding device 40 close to the lens 321 to be cut and to hold the arm
44及46之固持機構446及466位於待剪切鏡片321之沿其光 轴方向之兩侧。 ^後’再藉由驅動機構48驅動夾持臂44及46沿滑槽422 向相互靠近之方向移動並夾持住該待剪切鏡片321。本實施 例藉由轉動螺杆_及482來分肋動祕臂44之連接機構 444及夾持臂46之連接機構464，進而帶動炎持臂做46沿 滑槽422向相互靠近之方向移動以夾持住待剪切鏡片 321並 將待剪切鏡片321之光學區域321〇收容於固持機構446及 466之收容部4460及4660内。另外，當鏡片321被剪切下來 後，所述支撐機構42還可環繞該支撐杆424中心轴線χ_χ之 方向旋轉，以帶動夹持臂44及46對夾持之鏡片321進行翻 面0 本發明實施例利用所述夾持裝置4〇對Η型流道成型 之待剪切鏡片321進行夾持時，由於其夾持臂44及46沿 待剪切鏡片321光軸方向從待剪切鏡片321之兩側對其進 行夾持，其可避免夾持臂44及46與鏡片322或/及流道料 頭36産生碰撞而導致之鏡片損壞，進而可保證鏡片良率。 9 200800543 當然’本發明實施例之夾持裝置40同樣適用於其他形 狀之流道系統，如放射型流道等。 练上所述，本發明符合發明專利要件，爰依法提出專 利申请。惟，以上所述者僅為本發明之較佳實施方式，本 發明之範圍並料上述實施^為限，舉絲習本案技藝 之人士援依本發明之精神所作之等效修飾或變化，皆應涵 蓋於以下申請專利範圍内。 【圖式簡單說明】 圖1係Η型流道成型之塑膠鏡片之示意圖。 圖2係本發明第一實施例失持裝置之結構示意圖 圖3係本發明第二實施例夾持裝置之結構示意圖。 圖4係本發明第三實施例夾持裝置之結構示意圖。 圖5係利用圖2所示夾持裝置夾持η型流道成型之待剪切 鏡片之示意圖。 【主要元件符號說明】 成型元件 30 塑膠鏡片 321，322,323,324, 325,326,327,328 澆道料頭 34 流道料頭 36 夾持裝置 40 支撐機構 42 本體 420 滑槽 422 支撐杆 424 支持臂 44,46 連接機構 444,464 通孔 4440,4640 固持機構 446,466 收容部 4460,4660 驅動機構 48 螺杆 480,482 200800543 3210 固定裝置 484 光學區域The holding mechanisms 446 and 466 of 44 and 46 are located on both sides of the lens 321 to be cut along the optical axis direction thereof. Then, the driving arms 48 and 46 are driven by the driving mechanism 48 to move in the direction of approaching each other along the chute 422 and hold the lens 321 to be cut. In this embodiment, by rotating the screws _ and 482, the connecting mechanism 444 of the arm 44 and the connecting mechanism 464 of the clamping arm 46 are divided, thereby driving the illuminating arms 46 to move along the sliding slot 422 toward each other to clamp. The optical lens 321 of the lens to be cut 321 is held by the lens 321 to be cut and accommodated in the accommodating portions 4460 and 4660 of the holding mechanisms 446 and 466. In addition, after the lens 321 is cut, the support mechanism 42 can also rotate around the central axis χ_χ of the support rod 424 to drive the clamping arms 44 and 46 to face the clamped lens 321 In the embodiment of the invention, when the clamping device 4 is used to clamp the to-be-cut lens 321 formed by the flow path, the clamping arms 44 and 46 are cut from the optical axis of the lens 321 to be cut. The two sides of the 321 are clamped to prevent damage to the lens caused by the collision of the clamping arms 44 and 46 with the lens 322 or/and the flow path head 36, thereby ensuring the lens yield. 9 200800543 Of course, the clamping device 40 of the embodiment of the present invention is equally applicable to other shaped flow path systems, such as radial flow paths and the like. As described above, the present invention complies with the patent requirements of the invention and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application. [Simple description of the drawing] Fig. 1 is a schematic view of a plastic lens formed by a 流-type flow path. 2 is a schematic structural view of a holding device according to a first embodiment of the present invention. FIG. 3 is a schematic structural view of a holding device according to a second embodiment of the present invention. Figure 4 is a schematic view showing the structure of a holding device of a third embodiment of the present invention. Fig. 5 is a schematic view showing the lens to be cut which is formed by sandwiching the n-type flow path by the holding device shown in Fig. 2. [Major component symbol description] Molding component 30 Plastic lens 321, 322, 323, 324, 325, 326, 327, 328 Sprue head 34 Runner head 36 Clamping device 40 Support mechanism 42 Body 420 Chute 422 Support rod 424 Support arm 44, 46 Connection mechanism 444, 464 Hole 4440, 4640 Holding mechanism 446, 466 Housing 4460, 4660 Drive mechanism 48 Screw 480, 482 200800543 3210 Fixing device 484 Optical area
1111