200831973 •九、發明說明： •【發明所屬之技術領域】 本發明涉及紫外膠固化裝置，尤其涉及一種應用於鏡 頭模組之紫外膠固化裝置及鏡頭模組組裝方法。 【先前技術】 近年來’隨著光學產品之發展，鏡頭模組之應用範圍 持續擴大，如數位相機、具有照相功能之手機等電子產品。 對於電子產品，特別係消費性電子產品，其發展趨勢係輕 、里化與薄型化，相應設置於其内之鏡頭模组也變得越來越 小’精岔度之要求也越來越高，所以鏡頭模組之組裝工藝 也需要更高之精確度和穩定性，以保證生產效率與良率。 一般地，鏡頭模組之組裝過程如下： 首先，將光學鏡片組裝於鏡筒中； 然後將一間隔環相鄰於所述光學鏡片設置，並在鏡筒 内壁與間隔環之間點設紫外膠； ( 提供一紫外光源，所述紫外光源發出紫外光線對鏡筒 内壁與間隔環之間之紫外膠照射，以固化所述紫外膠達到 鏡向内壁與間隔環之枯接；以及 在間隔環表面點設紫外膠’將一紅外截止濾光片設置 於所述間隔環表面並由所述紫外膠枯接，對所述紫加 以紫外光照射固化。 ^ 紫外光線照射紫外膠之過程中，所述紫外膠會發生膨 脹，因此在紫外光線照射鏡筒内壁與間隔環之間之^外膠 時，可能會由於固化過程中紫外膠之膨脹而使鏡筒與間隔 200831973 •環發生相對位移，從而使間隔環之軸向相對於鏡筒之軸向 .發生偏轉；另外，紫外膠固化過程中之膨脹還可能使紅外 截止濾光片在間隔環表面局部翹起而影響紅外截止濾光片 之在鏡頭模組中之光學性能，從而大大影響了組裝良率。 【發明内容】 有鑒於此，有必要提供一種可以提高組裝良率之紫外 膠固化裝置與鏡頭模組組裝方法。 一種紫外膠固化裝置，用於固化鏡頭模組中元件之間 之紫外膠，其包括一個紫外光源及一個鏡頭模組壓合裝 置。所述紫外光源用於發出紫外光線對所述鏡頭模組中元 件之間之紫外膠照射，所述鏡頭模㈣合裝置用於對所 鏡頭模組中之元件壓合。 -種鏡頭模組組裝方法，採用了上述的紫外膠固化裝 置’其包括以下步驟··提供一鏡筒、一鏡片組及一間： 將鏡片組組裝於鏡筒中；將間隔環相鄰於所述鏡片也設置 ，在鏡，内壁與間隔環之間點設紫外膠；壓合所述間隔 衣並提供紫外光源對所述紫外膠照射達到固化，以 鏡筒内壁與間隔環之粘接。 相較於先前技術，所述之紫外膠固化 頭模組壓合裝置對所述鏡頭模 了鏡 夕卜截止濾、光片)壓合，有效防止間隔環在紫外膠 表移動，同時防止紅外截止滤光片在間隔環 局。卩翹起，從而提高鏡頭模組之組裝良率。 另外，所述鏡頭模組組裝方法之紫外膠固化步驟中由 200831973 於對所述鏡頭模組中之元件加以壓合，有效提高組裝良率。 -【實施方式】 下面將結合附圖，對本發明作進一步之詳細說明。 。月參閱圖1及圖2，為本發明實施例之紫外膠固化装 :、待、、且裝之鏡頭权組1 〇之組合示意圖。所述鏡頭模 組10為半成品，其包括一個鏡筒12、設置於鏡筒12内之 鏡片組14以及設置於鏡片組14 一側之間隔環16等元件。 所述間隔環16與鏡筒12内側之間通過紫外膠18粘接。鏡 片組14可以為一個鏡片，也可以為多個鏡片之組合，本實 施例以兩個鏡片之組合為例。 、 所述紫外膠固化裝置20包括一個托盤22、一個紫外 光源24以及一個鏡頭模組壓合裝置26。所述托盤22用於 盛放所述鏡頭模組1〇，其表面設置多個成陣列排列之放置 槽222，本實施例為便於說明，以放置槽222之個數為4 加以忒明，所述鏡頭模組忉放置於所述放置槽222内。放 置槽222之大小與鏡頭模組1〇相適應，以保證鏡頭模組200831973 • Nine, invention description: • Technical field of the invention The present invention relates to an ultraviolet glue curing device, and more particularly to an ultraviolet glue curing device and a lens module assembly method applied to a lens module. [Prior Art] In recent years, with the development of optical products, the application range of lens modules has continued to expand, such as digital cameras and electronic products with camera functions. For electronic products, especially consumer electronic products, the development trend is light, deep and thin, and the corresponding lens modules are also getting smaller and smaller. Therefore, the assembly process of the lens module also requires higher precision and stability to ensure production efficiency and yield. Generally, the assembly process of the lens module is as follows: First, the optical lens is assembled in the lens barrel; then a spacer ring is disposed adjacent to the optical lens, and an ultraviolet glue is disposed between the inner wall of the lens barrel and the spacer ring; (providing an ultraviolet light source, the ultraviolet light source emitting ultraviolet light to irradiate the ultraviolet glue between the inner wall of the lens barrel and the spacer ring to cure the ultraviolet glue to reach the inner wall of the mirror and the spacer ring; and the surface of the spacer ring An ultraviolet gel is disposed on the surface of the spacer ring and is exposed by the ultraviolet glue to cure the purple light by ultraviolet light. ^ During the ultraviolet light irradiation of the ultraviolet glue, the ultraviolet The glue will swell, so when the ultraviolet light illuminates the outer glue between the inner wall of the lens barrel and the spacer ring, the lens barrel may be displaced relative to the spacer 200831973 • due to the expansion of the ultraviolet glue during the curing process, thereby making the interval The axial direction of the ring is deflected relative to the axial direction of the lens barrel; in addition, the expansion during the curing of the ultraviolet glue can also cause the infrared cut filter to be partially lifted on the surface of the spacer ring. The optical performance of the infrared cut filter in the lens module is greatly affected, thereby greatly affecting the assembly yield. [Invention] In view of the above, it is necessary to provide an ultraviolet glue curing device and a lens mold which can improve the assembly yield. Assembly method. An ultraviolet glue curing device for curing ultraviolet glue between components in a lens module, comprising an ultraviolet light source and a lens module pressing device. The ultraviolet light source is for emitting ultraviolet light to the The ultraviolet light is irradiated between the components in the lens module, and the lens mold (four) is used for pressing the components in the lens module. - The lens module assembly method uses the above ultraviolet glue curing device The method includes the following steps: providing a lens barrel, a lens group and a room: assembling the lens group in the lens barrel; positioning the spacer ring adjacent to the lens, and setting a UV glue between the mirror, the inner wall and the spacer ring Pressing the spacer and providing an ultraviolet light source to irradiate the ultraviolet glue to cure, and bonding the inner wall of the lens barrel to the spacer ring. Compared with the prior art, the ultraviolet Curing head module means for pressing the lens to the lens mold Bu Xi cut filter, an optical sheet) laminated, the spacer ring moving effectively prevent the glue in the ultraviolet, infrared cut filter while preventing the spacer ring Bureau. The cockroach lifts up to improve the assembly yield of the lens module. In addition, in the ultraviolet glue curing step of the lens module assembly method, the components in the lens module are pressed by 200831973 to effectively improve the assembly yield. - [Embodiment] The present invention will be further described in detail below with reference to the accompanying drawings. . Referring to FIG. 1 and FIG. 2, FIG. 1 is a schematic diagram showing the combination of the lens assembly of the ultraviolet glue curing device, the standby, and the lens. The lens module 10 is a semi-finished product, and includes a lens barrel 12, a lens group 14 disposed in the lens barrel 12, and a spacer ring 16 disposed on one side of the lens group 14. The spacer ring 16 is bonded to the inner side of the lens barrel 12 by an ultraviolet glue 18. The lens group 14 may be a single lens or a combination of a plurality of lenses. This embodiment is exemplified by a combination of two lenses. The ultraviolet glue curing device 20 includes a tray 22, an ultraviolet light source 24, and a lens module pressing device 26. The tray 22 is configured to hold the lens module 1 and has a plurality of placement slots 222 arranged in an array on the surface thereof. For convenience of description, the number of the slots 222 is 4, which is illustrated in the embodiment. The lens module 忉 is placed in the placement slot 222. The size of the placement slot 222 is adapted to the lens module 1 to ensure the lens module
ίο可以很好地定位於放置槽222内而不會與托盤22發生 相對移動。 X 所述紫外光源24可以發出紫外光線242，用於固化所 述i外膠18，以達到鏡筒12與間隔環16之間之牢固粘 接。所述鏡頭模組壓合裝置26包括一個透明板262、多個 a又置於所述透明板262表面之壓合塊264。所述透明板 用於將壓合塊264裝設於其上，其材料為有機玻璃材料或 玻璃等，優選所述有機玻璃材料為透明壓克力材料（AcryHc 200831973The ίο can be positioned well within the placement slot 222 without relative movement with the tray 22. X The ultraviolet light source 24 can emit ultraviolet light 242 for curing the outer rubber 18 to achieve a firm bond between the lens barrel 12 and the spacer ring 16. The lens module pressing device 26 includes a transparent plate 262, and a plurality of pressing blocks 264 which are placed on the surface of the transparent plate 262. The transparent plate is used for mounting the pressing block 264 thereon, and the material thereof is a plexiglass material or glass, etc., preferably, the plexiglass material is a transparent acrylic material (AcryHc 200831973)
Materials)。當然，所述透明板262也可以為其他透明材 料，只要可以被紫外光線242穿透即可。所述壓合塊264 在透明板262表面之排列方式與放置槽222在托盤22上之 排列方式相對應，以達到壓合塊264對設置於放置槽222 内之鏡頭模組10之壓合。 本實施例中所述壓合塊264為圓柱狀，其包括一圓錐 狀端部266。所述間隔環16之中心為一圓形通孔m2，所 述端部266可以進入所述通孔162並抵壓在通孔162之内 側’達到對間隔環16之壓合。所述壓合塊264之外徑小於 鏡筒12，以使紫外光線242可以進入鏡筒12内固化所述 紫外膠18。 所述紫外膠固化裝置20還包括若干夾具28，用於鏡 頭模組壓合裝置26與鏡頭模組1〇之相互位置固定和調節 壓合塊264對所述間隔環16之壓力。所述夾具28包括一 L形托板282、一端部設置有螺帽284之螺柱286及一壓 力調節板288。托盤22設置於所述L形托板282之一表面， L形托板282之一端設置有螺孔（圖未示），所述螺孔内侧 設置有内螺紋。所述螺柱286之外表面設置有外螺紋 2862，螺孔内側之内螺紋與外螺紋2862可相互嚙合。所述 壓力調節板288表面設置有通孔（圖未示），所述通孔尺寸 小於所述螺帽284而大於所述螺柱286，螺柱286穿過壓 力調節板288表面之通孔與所述螺孔内側之内螺紋嚙合連 接。壓力調節板288與L形托板282形成一“匸”形區（未 標示），所述透明板262與托盤.22設置於“匚”形區内， 200831973 所逸透明板262被壓力調節板2如α『 .對P1隐f u p 板288所壓合。所述壓合塊264 對間隔％ 16之壓力大小可以通 技板加之-f^；螺柱286進入匕形 所述28還可以為其他形式，只要能夠達到 =拉、、且壓合裝置26與鏡頭模組1〇之相互位置固定 郎壓合塊26 4對所述間隔環丄6之麗力之目的即可。° 所述壓合塊264材料可以為銅、不鑛鋼、塑膠等 專，只要可以達到對間隔環16壓合之目的即可。可以理 解，所述壓合塊264之端部266之形狀還可以為其他形狀， 如圖3所示，歷合塊264a之端部2輸形狀可以為圓錐台 (削去尖端之圓錐）；如圖4所示，壓合塊26仆之端部26^ 形狀可以為球形之一部分。 相較於先前技術，本實施例之紫外膠固化裝置由於 採用了鏡頭模組壓合裝置26,在對鏡筒12與間隔環“之 紫外膠18加以固化之過程中通過壓合塊264對間隔環托 以一定之壓力加以壓合，因此可以有效防止間隔環在^紫外 膠18固化過程中由於紫外膠18之膨脹而發生與鏡筒 之間之位移，使固化後之紫外膠18在間隔環16與鏡筒Η 之間之分佈更加均勻。 如圖5所示，本發明還提供另一實施例之鏡頭模組壓 合裝置36。鏡頭模組壓合裝置36用於壓合另_鏡頭模組 40。所述鏡頭模組40與第一實施例之鏡頭模組4〇基本相 同’不同之處在於間隔環16安裝於鏡筒12内之後，在門 隔環16表面會設置一紅外截止濾、光片30，所述紅外截止 200831973 濾光片30與間隔環16之間也採用紫外膠48加以粘接。本 .實施例之鏡難組壓合裝置36肖第—實施狀鏡頭模組 壓合裝置26基本相同’不同之處在於本實施例之壓合塊 364之整體為一圓柱體，其端部為—平面，用於壓合所述 紅外截止it光片30。考慮到紅外截止濾光片％為較精密 之光學鏡片’壓合塊364之材料可以為特氟綸⑽㈣等材 質較軟之材料。 本實施例之鏡頭模組壓合裝置％用於紫外光線％ 固化紫外膠48時對所述紅外截止濾光片％加以壓合，從 可乂防止、、工外截止濾光片3〇由於紫外膠料膨脹而造成 之在間隔環16表面之翹起，同時也使紅外截止濾光片％ 與間隔環16之間之紫外膠48之分佈更均勻。 可以理解，本發明實施例之紫外膠固化裝置還可以應 用於f他之鏡頭模組中元件組裝過程中需要用到紫外膠^ J矛之If況，並不限於上述實施例中之間隔環盘红外截 止濾光片之組裝。 〃、 一請結合圖2與圖5，本發明還提供另一實施例之一種 鏡頭核組組裝方法。所述鏡頭模組組裝方法包括以下步驟： 將鏡片組14組裝於鏡筒12中； 將間隔環16相鄰於所述鏡片組14設置並在鏡筒12 内壁與間隔環16之間點設紫外膠is ; a壓合所述間隔環16，同時提供紫外光源24對所述紫 外膠18照射達到固化，以達到鏡筒12内壁與間隔環μ 間之枯接，本實施例采用鏡頭模組壓合裝置26對所述間 π 200831973 隔環壓合； 在間隔環16表面點設紫外膠48，將紅外截止遽光片 3〇設置於所述間隔環16表面並由所述紫外膠48祕； 壓合所述紅外截止濾光片30,同時提供紫外光源24 '、隔環Μ之粘接，本實施例提供鏡頭模组壓人，詈 36對所述紅外截止濾光片30壓合。 、。、 θ綜上所述，本發明確已符合發明專利之要件，爰依法 $出專射4 °惟’以上所述者僅為本發明之較佳實施方 發明之範圍並不以上述實施方式為限，舉凡熟習本 二^之人士援依本發明之精神所作之等效修飾或變化， 白應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 圖丄係本發明實施例紫外膠固化I置與鏡頭模組組合 圖2係沿圖1中ΙΜΙ方向之截面示意圖 圖3和圖4係圖2中之壓合塊之另 面示意圖。 兩種實施方式之截 圖5係本發明第 示意圖。 一實施例之鏡頭模組壓合裝 置之戴面 【主要元件符號說明】 12 16 18,48 鏡碩模組 10,40鏡筒 鏡片組 14 間隔環 通孔 162 紫外膠 12 200831973 托盤 放置槽 紫外光線 透明板 夾具 L形托板 螺柱 壓力調節板 22 紫外膠固化裝置 20 222 紫外光源 24 242 鏡頭模組壓合裝置 26,36 262 壓合塊 264,264a，264b，364 28 端部 266,266a，266b 282 螺帽 284 286 外螺紋 2862 288 紅外截止濾光片 30 13Materials). Of course, the transparent plate 262 may also be other transparent materials as long as it can be penetrated by the ultraviolet light 242. The arrangement of the pressing blocks 264 on the surface of the transparent plate 262 corresponds to the arrangement of the placing grooves 222 on the tray 22 to achieve the pressing of the pressing block 264 against the lens module 10 disposed in the placing groove 222. The press block 264 in this embodiment is cylindrical and includes a conical end 266. The center of the spacer ring 16 is a circular through hole m2, and the end portion 266 can enter the through hole 162 and press against the inner side of the through hole 162 to achieve the pressing of the spacer ring 16. The outer diameter of the press block 264 is smaller than the lens barrel 12, so that the ultraviolet light 242 can enter the lens barrel 12 to cure the ultraviolet glue 18. The UV adhesive curing device 20 further includes a plurality of clamps 28 for mutually fixing the position of the lens module pressing device 26 and the lens module 1 and adjusting the pressure of the pressing block 264 against the spacer ring 16. The jig 28 includes an L-shaped plate 282, a stud 286 having a nut 284 at one end, and a pressure regulating plate 288. The tray 22 is disposed on one surface of the L-shaped pallet 282, and one end of the L-shaped pallet 282 is provided with a screw hole (not shown), and an inner thread is disposed inside the screw hole. The outer surface of the stud 286 is provided with an external thread 2862, and the inner thread and the outer thread 2862 of the inner side of the screw hole can mesh with each other. The surface of the pressure regulating plate 288 is provided with a through hole (not shown), the through hole is smaller than the nut 284 and larger than the stud 286, and the stud 286 passes through the through hole of the surface of the pressure regulating plate 288. The inner thread of the inner side of the screw hole is meshed and connected. The pressure regulating plate 288 and the L-shaped plate 282 form a "匸" shaped area (not labeled), the transparent plate 262 and the tray .22 are disposed in the "匚" shaped area, and the transparent plate 262 of the 200831973 is pressed by the pressure regulating plate. 2 such as α ". The P1 hidden fup board 288 is pressed. The pressure of the pressing block 264 to the interval % 16 may be increased by the technique board; the stud 286 may be in other shapes, as long as the pull-up, and the pressing device 26 can be The mutual position of the lens module 1 is fixed to the purpose of the force of the spacer ring 266. ° The material of the pressing block 264 may be copper, non-mineral steel, plastic, etc., as long as the purpose of pressing the spacer ring 16 can be achieved. It can be understood that the shape of the end portion 266 of the pressing block 264 can also be other shapes. As shown in FIG. 3, the end portion 2 of the circumscribing block 264a can be shaped as a truncated cone (a truncated cone); As shown in Fig. 4, the shape of the end portion 26 of the pressing block 26 may be a spherical portion. Compared with the prior art, the ultraviolet glue curing device of the embodiment adopts the lens module pressing device 26, and is separated by the pressing block 264 during the curing process of the lens barrel 12 and the spacer ring "the ultraviolet glue 18". The ring support is pressed at a certain pressure, so that the displacement of the spacer ring between the lens barrel and the lens barrel due to the expansion of the ultraviolet glue 18 during the curing process of the ultraviolet glue 18 can be effectively prevented, so that the cured ultraviolet glue 18 is in the spacer ring. The distribution between the lens 16 and the lens barrel 更加 is more uniform. As shown in Fig. 5, the present invention further provides a lens module pressing device 36 of another embodiment. The lens module pressing device 36 is used for pressing another lens module. The lens module 40 is substantially the same as the lens module 4 of the first embodiment. The difference is that after the spacer ring 16 is mounted in the lens barrel 12, an infrared cut filter is disposed on the surface of the door spacer ring 16. , the optical film 30, the infrared cut-off 200831973 filter 30 and the spacer ring 16 are also bonded by the ultraviolet glue 48. The mirror difficult group pressing device 36 of the embodiment is the first embodiment - the lens module is pressed The device 26 is basically the same 'the difference lies in this The pressing block 364 of the embodiment is a cylinder as a whole, and its end is a plane for pressing the infrared cut-off light sheet 30. Considering that the infrared cut filter is a more precise optical lens 'pressure The material of the block 364 may be a soft material such as Teflon (10) (four). The lens module pressing device of the embodiment is used for ultraviolet light%. When the ultraviolet glue 48 is cured, the infrared cut filter is pressed. In combination, the yoke prevention, the external cut filter 3 〇 is caused by the expansion of the ultraviolet rubber compound, and the ultraviolet ray between the infrared cut filter and the spacer ring 16 is also caused. The distribution of the glue 48 is more uniform. It can be understood that the ultraviolet glue curing device of the embodiment of the invention can also be applied to the component of the lens assembly in the lens assembly process, which is not limited to the above. The assembly of the spacer ring infrared cut filter in the embodiment. 〃, please refer to FIG. 2 and FIG. 5, the present invention further provides a lens core assembly method according to another embodiment. The lens module assembly method includes The following steps: The lens 14 is assembled in the lens barrel 12; the spacer ring 16 is disposed adjacent to the lens group 14 and an ultraviolet glue is disposed between the inner wall of the lens barrel 12 and the spacer ring 16; a presses the spacer ring 16 while providing The ultraviolet light source 24 irradiates the ultraviolet glue 18 to cure, so as to achieve the connection between the inner wall of the lens barrel 12 and the spacer ring μ. In this embodiment, the lens module pressing device 26 is used to press the intermediate ring π 200831973; An ultraviolet gel 48 is disposed on the surface of the spacer ring 16 , and an infrared cut-off phosphor sheet 3 is disposed on the surface of the spacer ring 16 and secreted by the ultraviolet gel 48; the infrared cut filter 30 is pressed together, and ultraviolet light is provided. The light source 24' and the spacer ring are bonded. In this embodiment, the lens module is pressed, and the 詈36 is pressed against the infrared cut filter 30. ,. In view of the above, the present invention has indeed met the requirements of the invention patent, and the above is only a special range of 4 °, but the above is only the scope of the invention of the preferred embodiment of the present invention. The equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are to be included in the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 2 is a cross-sectional view along the ΙΜΙ direction of FIG. 1 and FIG. 4 is a cross-sectional view of the embossed block of FIG. Schematic diagram. Figure 5 of the two embodiments is a schematic view of the present invention. The lens of the lens module pressing device of one embodiment [main component symbol description] 12 16 18, 48 mirror master module 10, 40 lens barrel lens group 14 spacer ring through hole 162 ultraviolet glue 12 200831973 tray placement groove ultraviolet light Transparent plate clamp L-shaped pallet stud pressure regulating plate 22 UV adhesive curing device 20 222 UV light source 24 242 Lens module pressing device 26, 36 262 Pressing block 264, 264a, 264b, 364 28 End 266, 266a, 266b 282 Nut 284 286 External thread 2862 288 Infrared cut filter 30 13