M308492 八、新型說明： 【新型所屬之技術領域】 導線機有關’特别是指-種用於上片機之 【先前技術】 按，上片機係用於輸送一導線举 導線架進行加王，{壯：置人=^ 其他裝置對該 品、去4以及其他的封裝程序， 而達到完成ic封裝的目的；其中，習 白用導線架的置入程序 亍，將各導線架逐-置入上片機。然 下，導㈣Γί疋的置人的方向。在未經管理的情況 :VI卞會有四種置人情形分別為「正面正「正面 m面正向」以及「反面反向」，其中只有「正面正 t疋t麵。按機率來說，以人力置人正確位置的機率 /、有四分之一，具有失誤率高的缺點。 15 如國内公告編號第406865號專利案揭露有一種「晶片 黏貼機」，其内容述及導線架⑴運用多數定位孔(2)以=相 對應的多數定位柱(3)的方式進行檢知的動作。當該導線架 (1) 並非位於「正面正向」（如第一圖所示）的正確位置，= 為「正面反向」或者「反面反向」（如第二圖所示）的狀態時， 該導線架（1)會因為該定位孔(2)方向倒置，使得各該^位孔 (2) 與各該定位柱(3)的位置無法對應，而無法順利置入；藉 以將「正面反向」以及「反面反向」的狀態進行排除，^ 現場工作人員能及時將該導線架（1)進行更正為「正面正向 的狀態，使置入正確位置的機率提高至二分之一。然而， 4 20 M308492 此案之設计無法檢知「反面正向」的狀態，當該導線架〇) 為「反面正向」的位置時，各該定位孔(幻雖可順利置入於 各該定位柱(3)，但是該導線架（1)卻為反面；倘若現場工作 人員未能及時發現此一狀態，將會導致錯誤的加工，仍然 5 具有失誤率高的缺點。 “上所陳，習用上片機具有導線架置入失誤率高的缺 失而有待改進。 【新型内容】 10M308492 VIII, new description: [New technical field] Wire machine related to 'specially refers to the type used in the film machine [previous technology] Press, the film machine is used to transport a wire lift lead frame for King, {Zhuang: set people = ^ other devices for the product, go to 4 and other packaging procedures, to achieve the purpose of ic packaging; in which, Xi white with the lead frame placement procedure 将, each lead frame placed Tablet machine. Then, guide (four) Γ 疋 疋 置 置 。 。. In the unmanaged situation: there are four types of situations in the VI: "positive positive "positive m front positive" and "reverse reverse", of which only "positive positive t疋t". By chance, The probability of placing a man in the right position is one-fourth, which has the disadvantage of high error rate. 15 As disclosed in the domestic publication No. 406865, there is a "wafer adhesive machine" which describes the lead frame (1). The detection operation is performed by using a plurality of positioning holes (2) in a manner corresponding to a plurality of corresponding positioning columns (3). When the lead frame (1) is not in the correct position of "positive front" (as shown in the first figure), = is "positive reverse" or "reverse reverse" (as shown in the second figure) The lead frame (1) is inverted due to the positioning hole (2), so that the position of each of the positioning holes (2) and the positioning post (3) cannot be matched, and the positioning cannot be smoothly performed; The reverse direction and the "reverse reverse" state are eliminated. ^ The field staff can correct the lead frame (1) in time to "positive positive state, increasing the probability of placing the correct position to one-half. However, the design of the 4 20 M308492 case cannot detect the "reverse positive" state. When the lead frame is "reversely positive", each of the positioning holes (the illusion can be smoothly placed in Each of the positioning posts (3), but the lead frame (1) is the reverse side; if the field staff fails to find this state in time, it will lead to erroneous processing, and still has the disadvantage of high error rate. Chen, the conventional tablet machine has a high loss of lead frame placement error and needs to be changed. . [10] The new content
本創作之主要目的在於提供_種用於上片機之導線架 檢知機構，具有提高導線架於置入時準確率之特色。 緣是，為了達成前述目的，依據本創作所提供之一種 用於上片機之導線架檢知機構，包含有一導線架、一光發 身^單元以及光感測單元；其中該導線架一側具有多數透 光區，各該透光區彼此間隔地分佈於該導線架之一侧且鄰 近其端緣；該光發射單元位於該導線架頂侧且可發射一光 束^該光束可穿經該等透光區其中之一；該光感測單元位 =該導線架頂側且對應於該等透光區其中之一，該光感測 早=可接收自該導線架反射之光束，並透過辨識該光束的 狀恶’以得知該導線架是否正確上片。 —人藉此，本創作透過上述結構，運用光學檢知的方式進 行檢測，能夠克服習用之缺失，具有提高導線架於置入 之準確率的特色。 、 5 20 M308492 【實施方式】 為了詳細說明本創作之構造及特點所在，兹舉以下較 佳實施例並配合圖式說明如后，其中·· 第三圖係本創作一較佳實施例之導線架於正確位置的 5 頂視圖。 第四圖係本創作一較佳實施例位於定點位置之動作示 意圖。 第五圖係本創作一較佳實施例之導線架於正面反向之 檢測示意圖。 10 帛六®係本創作—較佳實施例之導線架於反面反向之 檢測示意圖。 第七圖係本創作-較佳實施例之導線架於反面正向之 檢測示意圖。 首先凊茶閱第二圖及第四圖，本創作一較佳實施例所 u提供之一種用於上片機之導線架檢知機構(1〇)，包含有一導 線架(20)、-光發射單元(3〇)以及一光感測單元_。 該導線架(2〇)具有多數晶座⑼，各該晶座用以承 載晶片（圖中未示）；該導線架⑽具有多數拉孔(22)係彼此 間隔地分佈㈣導線架⑽之兩側且鄰近其端緣，用以供上 片機（圖中未示)之勾料爪(23)勾持，使該導線架(2〇)往加工 機具方向前進；該導線架(20)具有多數定位孔(24)係彼此間 隔地分佈於該導線架⑽之一側且鄰近其端緣，且各該拉孔 (22)與各該定位孔(24)彼此相鄰，用以容設多數設於上片機 (圖中未示)之定位柱(25);在本實施例中，該勾料爪(2$與 6 M308492 該定位柱(25)係凸柱的型式；其中，上述之結構與習用者相 同，在此容不贅述。 本創作之特徵在於： …該導線架(20)-側具有多數透光區(26)，各該透光區⑽ 5係為二相互平行之長形穿孔，且彼此間隔地分佈於該導線 架(20)另一側且鄰近其端緣。 ’堞 該光發射單元(3 〇)位於該導線架(2〇)頂側且可發射一 光束(32) ’該光束(32)可穿經該等透光區(26)其中之二而筆 直地往該導線架⑽底側方向投射，該光束(η)投射的方向 10與該導線架(20)垂直。 …該光感測單元(4〇)位於該導線架⑽頂侧且對應於該 等透光區(26)其中之…該光感測單元(4〇)可接收自該導線 架(20)反射之光束(32)，並透過辨識該光束(32)的狀態，藉 以得知該導線架(2G)所置人的位置是否為正確位置，亦即判 15斷該導線架(2〇)是否為「正面正向」。 、在本實施例中’關於該導線架⑽方向的判定係以該透 光，(26)的所在位置為判斷依據。若該透光區㈣與該光發 射單元(30)位於同-侧，則判定該導線架(2〇)方向為「正 向」；若該透光區（26)與該光發射單元(3〇)並非位於同一 2〇側，則判定該導線架(2〇)方向為「反向」。 經由上述結構，當該導線架(2〇)位於正確位置，亦即「正 面正向」的狀態時’各該拉孔(22)會對應地套設於各該勾料 爪(23) ’各該定位孔(24)會對應地套設於各該定位柱(25)， 使該導線架⑽得以順利置入上片機，而往加工方向進行輸 M308492 送，當該導線架(20)經過該光發射單元(3〇)以及該光感測單 元(40)，該導線架(20)會介於該光發射單元(3〇)以及該光感 測單元(40)之間，且該光束(32)會投射於該導線架(2〇)，當 該導線架(20)進入一定點位置(P1)時，該光束(32)會穿經該 5透光區(26)，該光感測單元(4〇)接收不到來自該導線架(20) 反射之光束(32)。此時，即可判定該導線架(2〇)位於「正面 正向」的正確位置。 請參閱第五圖，當該導線架(20)處於「正面反向」的狀 態；倘若上片機具有定位柱(25)之設置，各該定位孔(24)會 1〇因無法對應於各該定位柱(25)進行套設，使得該導線架(2〇) 播法置入上片機。再者，即使上片機因無定位柱(25)的設 计，使该導線架(20)置入該上片機而往加工機具方向輸送， 該導線架(20)也會因該等透光區(26)位於相反側而無法對 應於該光束(32);當該光感測單元(4〇)會接收到來自該導線 I5架(20)反射之光束(32)，即判定該導線架(2〇)並非位於「正 面正向」的正確位置，而驅使上片機停止動作，通知現場 人員進行將該導線架(20)更正的作業。 請參閱第六圖，當該導線架(20)處於「反面反向」的狀 怨，其同樣也會因為各该定位孔(24)會因無法對應於各該定 2〇位柱(25)進行套設，使得該導線架(2〇)無法置入上片機=另 外，由於當該導線架(20)於「反面反向」的狀態時，該等透 光區(26)也是位於相反側而無法對應於該光束(32);其同樣 會因该光感測單元(40)接收到來自該導線架(2〇)反射之光 束(32)，判定該導線架(20)並非位於「正面正向」的正確位 8 M308492 置，而驅使上#機停止軸，通知現場人貞進行將該導線 架(20)更正的作業。 ' 請參閱第七圖，當該導線架(2〇)處於「反面正向」的狀 恶，各該定位孔(24)會對應地套設於各該定位柱(25)，使該 5導線架(20)得以順利置入上片機，而往加工機具方向進行輸 送；當該導線架(20)進入該定點位置(ρι)時，該透光區（26) 將無法對應於該光發射單元(3〇)以及該光感測單元(4…，該 導線架(20)將會遮蔽該光束㈤，使該光束㈤會投射於該 導線架⑽之透光區⑽以外的部分；此時，該光感測單= 10 (4〇)會因接收到來自該導線架(2〇)反射之光束㈤，而判定 該導線架(2〇)位於「反面正向」的錯誤位置，驅使上片機停 止動作，通知現場人員進行將該導線架(20)更正的作業。 如此來，本創作所提供用於上片機之導線架檢知機 構，其運用光學檢知的方式進行檢測，透過該光發射單元⑽ I5發射該光束(32)，該光感測單元(4〇)透過該導線架(2〇)反射 該光束(32)的狀態，可以期該導線架⑽的放置位置以及 放置方向是否正確，可即時停止上片機的運作，避免進行 不必要的錯誤加工。 另外，本創作之透光區可以非對稱圖形直接形成於導 線架於加4域之駐雜，同射㈣職前述實施例 相同之功效。 藉此’本創作運用光學檢知的方式進行檢測，能夠克 服習用之缺失，以達到正確置人導線架的目的，具有提高 導線架於置入時之準確率的特色。 9 20 M308492 綜上所陳，本創作於前揭實施例中所揭露的構成元 件，僅為舉例說明，並非用來限制本案之範圍，其他等效 元件的替代或變化，亦應為本案之申請專利範圍所涵蓋。 M308492 【圖式簡單說明】 第一圖係習用導線架於正面正向之頂視圖。 第二圖係習用導線架於反面反向之頂視圖。 第三圖係本創作一較佳實施例之導線架於正確位置的 5 頂視圖。 第四圖係本創作一較佳實施例位於定點位置之動作示 意圖。 第五圖係本創作-較佳實施例之導線架於正面反向之 檢測示意圖。 10 S六圖係本創作—較佳實關之導線架於反面反向之 檢測示意圖。 第七圖係本創作-較佳實施例之導線架於反面正向之 檢測示意圖。 15【主要元件符號說明】 導線架(20) 拉孔(22) 定位孔(24) 透光區(26) 光束(32) 定點位置(P1) 導線架檢知機構(1 〇) 晶座(21) 勾料爪(23) 定位柱(25) 20 光發射單元(30) 光感測單元(40)The main purpose of this creation is to provide a lead frame inspection mechanism for the upper machine, which has the feature of improving the accuracy of the lead frame when placed. In order to achieve the foregoing objective, a lead frame detecting mechanism for a loading machine provided by the present invention comprises a lead frame, a light emitting body unit and a light sensing unit; wherein the lead frame side Having a plurality of light transmissive regions, each of the light transmissive regions being spaced apart from each other on one side of the lead frame and adjacent to an end edge thereof; the light emitting unit is located on a top side of the lead frame and emits a light beam that can pass through the light beam One of the light-transmitting regions; the light sensing unit position=the top side of the lead frame and corresponding to one of the light-transmitting regions, the light sensing is early=the light beam reflected from the lead frame can be received and transmitted through Identify the shape of the beam to know if the lead frame is correctly filmed. - By this, the author uses the above structure to perform inspection by optical detection, which can overcome the lack of conventional use and has the feature of improving the accuracy of the lead frame placement. 5 20 M308492 [Embodiment] In order to explain the structure and characteristics of the present invention in detail, the following preferred embodiments are described with reference to the drawings, wherein the third figure is a wire of a preferred embodiment of the present invention. 5 top views in the correct position. The fourth figure is an illustration of the action of a preferred embodiment of the present invention at a fixed point position. The fifth figure is a schematic diagram of the detection of the lead frame in the front side of the preferred embodiment of the present invention. The design of the lead frame of the preferred embodiment is reversed on the reverse side. The seventh figure is a schematic view of the detection of the lead frame on the reverse side of the present invention. First, the second and fourth figures of the present invention are provided. A lead frame detecting mechanism (1) for a loading machine provided by a preferred embodiment includes a lead frame (20) and a light. A transmitting unit (3〇) and a light sensing unit_. The lead frame (2) has a plurality of crystal holders (9), each of which is used to carry a wafer (not shown); the lead frame (10) has a plurality of pull holes (22) spaced apart from each other (4) two lead frames (10) Side and adjacent to the end edge thereof for hooking the hooking claw (23) of the upper filming machine (not shown) to advance the lead frame (2〇) toward the processing tool; the lead frame (20) has A plurality of positioning holes (24) are spaced apart from each other on one side of the lead frame (10) and adjacent to the end edges thereof, and each of the positioning holes (22) and each of the positioning holes (24) are adjacent to each other for accommodating a majority a positioning post (25) disposed on a topping machine (not shown); in the embodiment, the hooking claw (2$ and 6 M308492 the positioning post (25) is a type of a stud; wherein, the above The structure is the same as that of the conventional one, and is not described here. The present invention is characterized in that: ... the lead frame (20)-side has a plurality of light transmitting regions (26), and each of the light transmitting regions (10) 5 is two parallel to each other. Perforated, and spaced apart from each other on the other side of the lead frame (20) and adjacent to its end edge. '堞 The light emitting unit (3 〇) is located on the top side of the lead frame (2〇) and can emit a light (32) 'The light beam (32) can be projected straight through the light-transmitting region (26) to the bottom side of the lead frame (10), and the beam (n) is projected in a direction 10 and the lead frame ( 20) vertical. The light sensing unit (4〇) is located on the top side of the lead frame (10) and corresponds to the light transmitting area (26). The light sensing unit (4〇) can be received from the lead frame (20) reflecting the beam (32) and identifying the state of the beam (32), thereby knowing whether the position of the lead frame (2G) is the correct position, that is, determining the lead frame (2) 〇) is "positive positive". In the present embodiment, the determination of the direction of the lead frame (10) is based on the position of the light transmission, (26). If the light transmission area (four) and the light When the transmitting unit (30) is located on the same side, it is determined that the lead frame (2〇) direction is “forward”; if the light transmitting area (26) is not located on the same side of the light emitting unit (3〇), Then, it is determined that the lead frame (2〇) direction is “reverse”. Through the above structure, when the lead frame (2〇) is in the correct position, that is, the “positive forward” state, each of the pull holes (22) Correspondingly disposed on each of the hooking claws (23)' each of the positioning holes (24) is correspondingly sleeved on each of the positioning posts (25), so that the lead frame (10) can be smoothly placed into the loading machine, and The processing direction is sent to M308492, and when the lead frame (20) passes through the light emitting unit (3〇) and the light sensing unit (40), the lead frame (20) will be interposed between the light emitting unit (3〇) And between the light sensing unit (40), and the light beam (32) is projected on the lead frame (2〇), when the lead frame (20) enters a certain point position (P1), the light beam (32) The light transmissive unit (26) is received through the light transmitting unit (26), and the light beam (32) reflected from the lead frame (20) is not received. At this point, it can be determined that the lead frame (2〇) is in the correct position of the "front positive direction". Please refer to the fifth figure. When the lead frame (20) is in the "frontal reverse" state; if the uppering machine has the positioning column (25), each positioning hole (24) will not correspond to each The positioning post (25) is sleeved so that the lead frame (2〇) is placed into the tablet machine. Moreover, even if the top film machine has no design of the positioning post (25), the lead frame (20) is placed in the loading machine and transported to the processing tool, and the lead frame (20) is also transparent. The light zone (26) is located on the opposite side and cannot correspond to the light beam (32); when the light sensing unit (4〇) receives the light beam (32) reflected from the wire I5 frame (20), the wire is determined The frame (2〇) is not in the correct position of the "front positive direction", but drives the tablet machine to stop, and informs the site personnel to perform the work of correcting the lead frame (20). Please refer to the sixth figure. When the lead frame (20) is in the "reverse reverse direction", it will also be because the positioning holes (24) will not correspond to the respective 2 position posts (25). The ferrule is set such that the lead frame (2 〇) cannot be placed in the upper machine = otherwise, since the lead frame (20) is in the "reverse reverse" state, the transparent areas (26) are also located opposite The side cannot correspond to the light beam (32); it also receives the light beam (32) reflected from the lead frame (2) by the light sensing unit (40), and determines that the lead frame (20) is not located at The correct position 8 M308492 of the front positive direction is set, and the upper # machine stop axis is driven to notify the site personnel to perform the work of correcting the lead frame (20). 'Please refer to the seventh figure. When the lead frame (2〇) is in the "reverse positive direction", each positioning hole (24) is correspondingly sleeved on each positioning post (25) to make the 5 wire. The frame (20) can be smoothly placed into the filming machine and transported in the direction of the processing tool; when the lead frame (20) enters the fixed position (ρι), the light transmitting area (26) will not correspond to the light emission. a unit (3〇) and the light sensing unit (4..., the lead frame (20) will shield the light beam (f) so that the light beam (f) will be projected on a portion other than the light transmitting area (10) of the lead frame (10); The light sensing sheet = 10 (4 〇) will receive the light beam (5) reflected from the lead frame (2 ,), and it is determined that the lead frame (2 〇) is in the wrong position of the "reverse positive direction", driving the upper The machine stops the operation and informs the site personnel to perform the work of correcting the lead frame (20). Thus, the present invention provides a lead frame detecting mechanism for the filming machine, which uses an optical detection method to detect and transmit The light emitting unit (10) I5 emits the light beam (32), and the light sensing unit (4〇) reflects the light beam (32) through the lead frame (2〇) The state in which the lead frame (10) is placed and placed in the correct direction can immediately stop the operation of the filming machine and avoid unnecessary erroneous processing. In addition, the light transmissive area of the present invention can be formed directly on the wire by an asymmetrical pattern. It is the same as the above-mentioned embodiment in the same way as the above-mentioned embodiment. This is the use of optical detection to detect the missing, in order to achieve the purpose of correctly placing the lead frame. It has the characteristics of improving the accuracy of the lead frame when it is placed. 9 20 M308492 In summary, the constituent elements disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the case. The substitution or variation of the equivalent components shall also be covered by the scope of the patent application of this case. M308492 [Simple description of the drawings] The first figure is the top view of the conventional lead frame on the front side. The second picture is the conventional lead frame on the reverse side. The top view is the top view of the lead frame in the correct position of the preferred embodiment of the present invention. The fourth figure is a preferred embodiment of the present invention. The schematic diagram of the action at the fixed position. The fifth figure is a schematic diagram of the detection of the lead frame in the front side of the present invention. The 10 S six figure is the creation of the lead frame in the opposite direction. 7 is a schematic diagram of the detection of the lead frame on the reverse side of the present invention. 15 [Description of main components] Lead frame (20) Pull hole (22) Positioning hole (24) Light transmission area ( 26) Beam (32) Fixed position (P1) Lead frame detection mechanism (1 〇) Crystal holder (21) Retaining claw (23) Positioning post (25) 20 Light emitting unit (30) Light sensing unit (40)