1258421 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種模造鏡片的設備，特別是指一種 了使毛凸不影響成品裝配的射出成形模且。 【先前技術】 如圖1所示，現有一種可模造一鏡片2之射出成形模 具1 ’包含-第一模具單元3及一與該第一模具單元3相對 a史置的第二模具單元4。該第一、二模具單元3、4各具有 一杈座301、401及一裝設在該模座3〇1、4〇1内部的模仁 3〇2、402,該模座301、401具有一可供該模仁3〇2、4〇2 裝設的座孔303、403。 β雖然’利用上述的射出成型模具i可製成該鏡片2，但 是為了順利組裳、取出該模仁302、402，該模仁3〇2、術 的外周面與形成該座孔3〇3、彻的一孔壁之間必須是呈鬆 配合，亦即，在該模仁302、4〇2與該座孔3〇3、4〇3的孔 壁之間會有—縫隙1 ，且形成該鏡片2的塑料會滲入該縫 隙I中，而使得該鏡片2的二鏡面2〇1上各產生一毛凸2〇2 (如圖2所不）。且因該等毛凸搬的存在，使得鏡片2裝 入光學5又備的鏡筒（圖未示）中時’會影響鏡片2的定 位性及光學特性，且該等毛凸2〇2並無法再加工去除。 【發明内容】 本^明之目的，即在提供一種可使毛凸不超出 於鏡片的鏡面且可確保鏡片組配性的可使毛凸不影響成 品裝配的射出成形模具。 7疋’本發明可使毛凸不影響成品裝配的射出成形模 /、疋包3第一模具單元及一沿軸向與該第一模具單元 相對設置的第二模具單元。該第一、二模具單元各具有一 杈座、一沿一軸線裝設在該模座内部之模仁，該模座具有 σ杈面、、一自該合模面凹設的座孔，該模仁是裝設在該 座孔中’並具有一對應該合模面的塑形面、一圍繞在該塑 形面外部的承靠面及一由該承靠面沿該軸線朝該合模面凸 伸的凸緣，該凸緣趨近於形成該座孔的一孔壁。 【實施方式】 有關本务明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之_個較佳實施例的詳細說明中，將可 清楚的呈現。 如圖3與圖4所示，本發明可使毛凸不影響成品裝配 的射出成形模具之較佳實施例，包含一第一模具單元ι〇及 一沿軸向與該第一模具單元1〇相對設置的第二模具單元20 〇 "亥第杈具單元10具有一模座11、一沿一軸線L·裝設 在名模座11内部之模仁12。該模座丨丨具有沿該軸向疊設 鎖固的一模板13及一型板14。該型板14具有一與模板13 相對的端面141、一與該端面141相背的合模面142、一由 名鈿面141貝穿至該合模面i 42且呈階級孔狀的座孔^ 。 名模仁12是裝没在該座孔143中，且製成階級柱狀，並具 有一與該端面141相對的内側面121、一與該内側面121相 为没置且對應該合模面142的塑形面122、一圍繞在該塑形 1258421 面122外部的承靠面123及一由該承靠面123沿該軸線L 朝》亥合杈面142凸伸的凸緣124，該凸緣124緊鄰一由該内 側面121周緣延伸至該承靠面123周緣的外周面125，且趨 近於形成該座孔143的一孔壁144，為了順利組裝、取出該 模仁12，在該孔壁144與該外周面125之間產生一縫隙I , 該第二模具單元2〇具有與該第一模具單元ι〇完全對 稱^構件及結構，亦具有—模座21、—沿—軸線l裝設在 該权座21内部之;^仁22。該模座21具有沿該軸向疊設鎖 固的-模板23及一型板24。該型板24具有一與模板23相 對的端面241、一與該端面241相背的合模面⑷、一由該 端面241貫穿至該合模面242且呈階級孔狀的座孔。該 模仁22是裝設在該座孔243中，且製成階級⑽，並具有 一與該端面24Ϊ相對的内側面221、—與該内側面221相背 設置且對應該合模面242的塑形面222、—圍繞在該塑形面 222外部的承靠面223及一由該承靠面223沿該軸線l朝該 合模面242凸伸的凸緣224，該凸緣224緊鄰—由該内側面 2,21周緣延伸至該承靠面223胃緣的外周面如，且趨近於 形成該座孔243的-孔壁244,為了順利組裝、取出該模仁 22 ’在該孔壁244與該外周面225之間亦產生一縫隙【，。 再如圖3、圖4所示’當第一、二模具單元1〇、2〇互 142' 242對合時，互相對應的模 仁12、22的塑形面122、222、承靠面m3及座孔 ⑷、243之間即形成—模穴，且可將該塑料射人至該模穴 1258421 中，並控制塑料之流純、射料屢力、溫度等條件，促使 塑料滲入隙I’的高度不超過該模仁12、22的承靠面 123 、 223 。 如圖5所示，當塑料冷卻且開啟模具時，就可取出一 鏡片100，該鏡片100具有二相背設置的鏡面11〇、一連結 找等鏡Φ uo周緣之間的環Φ 12〇、二鄰近該環&㈣且 糟由該等凸緣124、224轉寫的凹環13()及二對應該等縫隙 I’且位在該凹環130外部的毛凸14〇，且該等鏡面ιι〇各 具有-對應該塑形® 122、222白令光㈣11〇,及一位在該光 學部no’外部且對應該承靠面123、223的盤面部11〇”，該 毛凸140的高度並未凸出於該盤面部11〇”，且該盤面部 110至該毛凸140端緣之間的一第一高度距離大於或等 於該該毛凸140端緣至該凹環13〇底部之間的一第二高度 距離H2。 因此，即使該鏡片100仍有毛凸14〇的產生，但因毛 凸140未凸出於該鏡面11〇的盤面部11〇”，則當該鏡片ιι〇 、、且農在光學没備的鏡筒（圖未示）中時，鏡片i 〇〇與鏡片 100疋利用呈平整的盤面部100，，互相抵靠，而不會影響組裝 的平整性及光學特性。 雖然圖3之組合剖面圖中只顯示出一對模仁12、22， 但是本發明的模具可作多模射出，當可理解。 准X上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 1258421 屬本發明專利涵蓋之範圍内。 9 1258421 【圖式簡單說明】 圖1是現有一種模造鏡片之模具組合剖面示意圖； 圖2是利用該模具所製成的鏡片剖面圖； _圖3是一組合剖面示意，說明本發明的射出成形模具 勺一較佳實施例； ，十、圖4疋本發明上述較佳實施例之模具局部放大示意圖 况明塑料可滲入縫隙中而形成毛凸；及 圖5疋本奄明上述較佳實施例所製成的鏡片剖面圖。 10 1258421 【主要元件符號說明】 10 第 - 模 具 單 元 222 塑 形 面 11 模 座 223 承 靠 面 L 轴 線 224 凸 緣 12 模 仁 225 外 周 面 12 1 内 側 面 23 模 板 122 塑 形 面 24 型 板 123 承 靠 面 24 1 端 面 124 凸 緣 242 合 模 面 125 外 周 面 243 座 孔 13 模 板 244 孔 壁 14 型 板 100 鏡 片 14 1 端 面 110 鏡 面 142 合 模 面 120 環 面 143 座 孔 13 0 凹 環 144 孔 壁 140 毛 凸 I， 縫 隙 110’ 光 學 部 20 第 二 模 具 單 元 110，， 盤 面 部 2 1 模 座 H1 第 P- _ 高 度 距 離 22 模 仁 H2 第 二 高 度 距 離 22 1 内 側 面 11BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for molding a lens, and more particularly to an injection molding die which does not affect the assembly of the finished product. [Prior Art] As shown in Fig. 1, a conventional injection molding die 1 for molding a lens 2 includes a first die unit 3 and a second die unit 4 opposed to the first die unit 3. The first and second mold units 3, 4 each have a shank 301, 401 and a mold core 3, 2, 402 mounted inside the mold base 3〇1, 4〇1, and the mold bases 301, 401 have A seat hole 303, 403 for the mold core 3〇2, 4〇2. Although the lens 2 can be made by using the above-described injection molding die i, in order to smoothly assemble the mold, the mold cores 302 and 402 are removed, and the outer peripheral surface of the mold is formed and the seat hole 3 3 is formed. There must be a loose fit between the walls of the holes, that is, between the mold cores 302, 4〇2 and the hole walls of the seat holes 3〇3, 4〇3, and a gap 1 is formed and formed. The plastic of the lens 2 will penetrate into the slit I, so that each of the two mirror faces 2〇1 of the lens 2 produces a concavity 2〇2 (not shown in Fig. 2). And because of the existence of the hair embossing, when the lens 2 is loaded into the optical lens 5 (not shown), it will affect the positioning and optical characteristics of the lens 2, and the hair convex 2〇2 Can not be processed and removed. SUMMARY OF THE INVENTION It is an object of the present invention to provide an injection molding die which can make the hair convex not exceed the mirror surface of the lens and ensure the lens assembly property so that the hair convex does not affect the assembly of the finished product. 7疋' The present invention allows the hair projection to not affect the injection molding die of the finished product, the first die unit of the magazine 3, and a second die unit disposed axially opposite the first die unit. The first and second mold units each have a shank and a mold core disposed inside the mold base along an axis, the mold base has a σ杈 surface, and a mold hole recessed from the mold surface, the mold a bene is disposed in the hole of the seat and has a pair of molding faces that should be closed, a bearing surface surrounding the outside of the molding surface, and a bearing surface along the axis toward the clamping surface A raised flange that approximates a wall of the hole forming the seat aperture. [Embodiment] The foregoing and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. As shown in FIG. 3 and FIG. 4, the present invention can improve the preferred embodiment of the injection molding die which does not affect the finished assembly, and includes a first die unit ι and an axial direction and the first die unit. The oppositely disposed second mold unit 20 has a mold base 11 and a mold core 12 mounted inside the mold base 11 along an axis L. The mold base has a template 13 and a template 14 that are stacked and locked along the axial direction. The template 14 has an end surface 141 opposite to the template 13, a mold clamping surface 142 opposite to the end surface 141, and a seat hole formed by the name surface 141 to the mold surface i 42 and having a class hole shape. ^. The mold core 12 is mounted in the seat hole 143 and is formed into a column shape, and has an inner side surface 121 opposite to the end surface 141, and is disposed opposite the inner side surface 121 and corresponds to the mold clamping surface 142. a molding surface 122, a bearing surface 123 surrounding the outer surface of the shaping surface 1258421, and a flange 124 protruding from the bearing surface 123 along the axis L toward the outer surface 142, the flange 124 is adjacent to an outer peripheral surface 125 extending from the periphery of the inner side surface 121 to the periphery of the bearing surface 123, and is adjacent to a hole wall 144 forming the seat hole 143. In order to smoothly assemble and take out the mold core 12, the hole is A gap I is formed between the wall 144 and the outer peripheral surface 125. The second mold unit 2 has a completely symmetrical structure and structure with the first mold unit ι, and also has a mold base 21, and is mounted along the axis It is located inside the right seat 21; The mold base 21 has a template 23 and a mold plate 24 which are interlocked in the axial direction. The template 24 has an end surface 241 opposite to the template 23, a mold clamping surface (4) opposite to the end surface 241, and a seat hole through which the end surface 241 penetrates the mold surface 242 and has a class hole shape. The mold core 22 is mounted in the seat hole 243 and is formed into a class (10) and has an inner side surface 221 opposite to the end surface 24Ϊ, which is disposed opposite to the inner side surface 221 and corresponds to the mold clamping surface 242. a molding surface 222, a bearing surface 223 surrounding the molding surface 222 and a flange 224 protruding from the bearing surface 223 along the axis l toward the clamping surface 242, the flange 224 is adjacent to The outer peripheral surface extending from the peripheral edge of the inner side surface 2, 21 to the stomach edge of the bearing surface 223, for example, and approaching the hole wall 244 forming the seat hole 243, in order to smoothly assemble and take out the mold core 22' in the hole A gap is also formed between the wall 244 and the outer peripheral surface 225. 3 and 4, when the first and second mold units 1〇 and 2〇 142' 242 are joined together, the molding faces 122, 222 and the bearing faces m3 of the corresponding mold cores 12 and 22 are respectively shown. And the hole between the seat holes (4) and 243 forms a cavity, and the plastic can be shot into the cavity 1258421, and the plastic flow, the repeated force, the temperature and the like are controlled to promote the plastic infiltration gap I' The height does not exceed the bearing faces 123, 223 of the mold cores 12, 22. As shown in FIG. 5, when the plastic is cooled and the mold is opened, a lens 100 having a mirror 11 〇 disposed on the opposite phase and a ring Φ 12 之间 between the peripheral edges of the Φ uo, a concave ring 13() adjacent to the ring & (4) and smeared by the flanges 124, 224 and a pair of concavities 14' corresponding to the gap I' and located outside the recessed ring 130, and Each of the mirrors ιι 具有 has a corresponding shape 122, 222, white light (four) 11 〇, and a disk portion 11 〇" outside the optical portion no' and corresponding to the bearing faces 123, 223, the height of the hair projection 140 Not protruding from the disk surface 11"", and a first height distance between the disk surface portion 110 and the edge of the hair projection 140 is greater than or equal to the edge of the hair projection 140 to the bottom of the concave ring 13 A second height distance between the two is H2. Therefore, even if the lens 100 still has the occurrence of the concavity 14〇, since the concavity 140 does not protrude from the disk surface 11〇 of the mirror surface 11〇, when the lens is ιι, In the lens barrel (not shown), the lens i 〇〇 and the lens 100 疋 use the flat disk surface 100 to abut each other without affecting the flatness and optical characteristics of the assembly. Although the combined sectional view of FIG. Only a pair of mold cores 12, 22 are shown, but the mold of the present invention can be multi-mode shot, as can be understood. The above-mentioned X is only a preferred embodiment of the present invention, and cannot be limited thereto. The scope of the present invention, that is, the simple equivalent changes and modifications made by the invention in the scope of the invention and the description of the invention are still within the scope of the patent of the invention. 9 1258421 [Simple description of the diagram] Figure 1 FIG. 2 is a cross-sectional view of a lens formed by using the mold; FIG. 3 is a cross-sectional view showing a preferred embodiment of the injection molding mold spoon of the present invention; Figure 4 A partial enlarged view of the mold of the above preferred embodiment shows that the plastic can penetrate into the slit to form a hair convex; and FIG. 5 is a cross-sectional view of the lens produced by the above preferred embodiment. 10 1258421 [Main component symbol description 】 10 first - mold unit 222 shaping surface 11 mold base 223 bearing surface L axis 224 flange 12 mold core 225 outer peripheral surface 12 1 inner side 23 template 122 shaped surface 24 type plate 123 bearing surface 24 1 end surface 124 Flange 242 Clamping surface 125 Outer peripheral surface 243 Seat hole 13 Template 244 Hole wall 14 Plate 100 Lens 14 1 End face 110 Mirror face 142 Clamping face 120 Toroid 143 Seat hole 13 0 Recessed ring 144 Hole wall 140 Hair convex I, Gap 110' optical portion 20 second mold unit 110,, disk portion 2 1 mold base H1 P-_ height distance 22 mold core H2 second height distance 22 1 inner side 11