M298575 八、 新型說明： 【新型所屬之技術領域】 特別是指一種利用滾筒作 本創作係與撕膜骏置有關 為吸附媒介之撕膜裝置。 5【先前技術】 —智知之撕膜裝置係用以撕除一板件上之 膜具有一前端以及一後端， / 、，以溥 •方’且該撕膜裝置包含有―:：衣置::於該板件之上 該膠帶係捲繞於該供料輪上二一夾塊’ ⑴供料輪下降，使該膠帶垃—：而要撕除缚膜時’先使該 -起，隨後使該供料輪上升°亥而與薄膜黏貼在 於該薄膜之前嫂…々…再移動该夾塊，使該夾塊貼抵 輪與爽塊之門，再將^/亥薄膜可端及該膠帶夹制於該供料 ”件，印可將4= 供料輪與該夾塊向後移動遠離該板 :7將„亥相自該板件表面撕除。 俏於f知之撕膜裳置雖可達到撕膜的目的Μ曰該撕膜壯f 開，且下-板件抵達定位時，才:畢隹後;專:“-板件離 故而撕臈速度較慢，此外二 件之撕膜， 2〇後即f丟棄，十八、、卢魯卜〜。亥膠f相田叩貝且一經使用之 置需A田二 刀Κ費且谷易污染環境，其次，該撕膜裝 成空間的t的空間以作為該夾塊及供料輪移動之用，、造 【新型内容】 4 M298575 於上述缺失，本創作之一目的在於提供_種 置，其撕膜作業較為迅速者 ，、 本創作之另一目的在於提供一種撕膜裝置，其不需使 用膠▼即可將薄膜撕除，而可節省耗材及符合環保要求者。 本創作之另一目的在於提供一種撕膜裝置，其佔用之 空間較小者。 一，為達岫揭目的，本創作之撕膜裝置包含有一基座，一 輸送組件设於該基座’ 一送氣件可升降地設於該基座且位 於及輸送組件之前方，一上滾筒可升降地係設於該基座且 位於忒輸送組件之上方，以及一收膜組件設於該基座且位 於上滾筒之上方’該上滾筒具有一轴孔以及多數氣孔由該 軸=延伸至该上滾筒之周緣，且該軸孔與一抽氣機連接， 4第一收膜組件可與該上滾筒同步移動，且具有一管件以 及一刮刀設於該管件。 【實施方式】 ,為更了解本創作之構造及特點所在，茲舉二較佳實施 例並配合圖示說明如下，其中： 第一圖係本創作第一較佳實施例之立體圖； 第一圖係本創作第一較佳實施例之剖視圖，且係顯示 薄膜撕除前之狀態； 第二圖係本創作第一較佳實施例之剖視圖，且係顯示 薄膜撕除時之狀態； 第四圖係本創作第二較佳實施例之剖視圖，且係顯示 M298575 薄膜撕除前之狀態。 第五圖係本創作第二較佳實施例之剖視圖，且係顯示 薄膜撕除時之狀態。 請參閱第一圖，本創作之第一較佳實施例所提供之撕 5 膜裝置10係配合一抽氣機12使用，用以撕除—板件14頂 面之一薄膜16,該板件14於本實施例係為一用於液b曰顯乂 器之玻璃基板，然亦可為電路板或其他板狀物，該撕膜穿' 置10包含有一基座20、一輸送組件30、一送氣件4〇、二 上滾筒50以及一第一收膜组件60。 10 該輸送組件30具有多數軸承座32設於該基座2〇，夕 數轉軸34可旋轉地設於該等轴承座32，以及多數滾於^ 套設於該等轉軸34，該等滾輪36係用以承載該板=了4 6 該等轉軸34係帶動該等滾輪36同步旌隸，& & Λ ν々疋锝而使板件14朝 一運送方向D前進。 ％ 15 該送氣件4〇具有-箱體42以及多數噴嘴44設於 體42 ’該箱體42係連接-空壓機(圖未示），藉此督M298575 VIII. New description: [New technical field] It refers to a tear film device that uses the drum as the creative system and the tear film to be used as the adsorption medium. 5 [Prior Art] - the known tear film device is used to tear off a film on a plate having a front end and a rear end, /, and to the side of the film and the tear film device contains -:: clothing :: On the plate, the tape is wound on the supply wheel and the two clamps are closed. (1) The feed wheel is lowered, so that the tape is to be removed: when the adhesive film is to be removed, the first time is made. Then, the feeding wheel is raised by half and the film is adhered to the film before the film is 々...々... and then the clamping block is moved, so that the clamping piece is attached to the door of the wheel and the block, and then the film can be terminated. The tape is clamped to the "feed" piece, and the print can move the 4 = feed wheel and the clamp back away from the plate: 7 to tear off the surface of the plate. Although the tear film is set to reach the purpose of tearing the film, the tear film is strong, and the lower-plate member arrives at the position, only after the post: Bi: after: "- the plate is detached from the speed Slower, in addition to the two pieces of tear film, 2 〇 then f discarded, eighteen, Lulub ~. haijia f phase field mussels and once used, the need for A field two knives and the valley is easy to pollute the environment, Secondly, the tear film is installed into the space t space to be used as the clamping block and the feeding wheel to move, and the [new content] 4 M298575 is missing in the above, one of the purposes of the present invention is to provide a kind of tearing The film operation is relatively rapid, and another object of the present invention is to provide a tear film device which can tear the film without using the glue ▼, and can save consumables and meet environmental protection requirements. Another purpose of the creation is Providing a tear film device, which occupies less space. First, for the purpose of Daxie, the tear film device of the present invention comprises a base, and a conveying component is disposed on the base. The pedestal is located in front of the transport assembly, and an upper drum is detachably attached The susceptor is located above the raft conveying assembly, and a film absorbing assembly is disposed on the pedestal and above the upper drum. The upper drum has a shaft hole and a plurality of air holes extend from the shaft to the periphery of the upper drum. And the shaft hole is connected to an air extractor, 4 the first film-receiving assembly is movable synchronously with the upper drum, and has a pipe member and a scraper disposed on the pipe member. [Embodiment], in order to better understand the structure of the present invention The first embodiment is a perspective view of a first preferred embodiment of the present invention, and the first drawing is a cross-sectional view of the first preferred embodiment of the present invention. And showing the state before the film is torn off; the second drawing is a cross-sectional view of the first preferred embodiment of the present invention, and shows the state of the film when it is peeled off; and the fourth drawing is a cross-sectional view of the second preferred embodiment of the present invention. The figure shows the state before the tear-off of the M298575 film. The fifth figure is a cross-sectional view of the second preferred embodiment of the present invention, and shows the state of the film when it is peeled off. Referring to the first figure, the first preferred embodiment of the present invention Example The tearing film device 10 is used in conjunction with an air extractor 12 for tearing off a film 16 on the top surface of the plate member 14. The plate member 14 is used in the present embodiment as a liquid b 曰 display device. The glass substrate, which may also be a circuit board or other board, includes a base 20, a transport assembly 30, a air supply member 4, a second upper roller 50, and a first film-receiving assembly. 60. The transport assembly 30 has a plurality of bearing blocks 32 disposed on the base 2, the U.S. rotating shaft 34 is rotatably disposed on the bearing blocks 32, and a plurality of rollers are disposed on the rotating shafts 34. The roller 36 is used to carry the plate = 4 6 The rotating shaft 34 is used to drive the rollers 36 to synchronize the cymbal, && Λ ν 々疋锝 to advance the plate member 14 in a conveying direction D. The member 4 has a box 42 and a plurality of nozzles 44 are provided in the body 42. The box 42 is connected to an air compressor (not shown).
機可輸送空氣經由該等噴嘴44向外★山 I 之前緣自該板料離·’於設計二 常較該板件14略為向外凸伸，以達到完全❹及 件14之目的，但也因此使得該薄媒16 :隻二板 但即使該賴14之周緣並未凸伸㈣板件 =氣流也可達到㈣效果;此外， ：用 氣壓缸46設於該基座20上，藉此，1、、，尸 糸、、、工由一 〜斤一㈤、 嗓达氣件40可於一第 -位置(如弟二圖)以及一第二位置(如第三圖)之間移動，其 6 20 M298575 中，該第二位置係位於該板件14之運送方向D上。 該上滾筒50係位於該輸送組件3〇之上方，該上滾筒 50具有一軸桿52可旋轉地設於該基座2()，以及一套管54 套没於該轴桿52 ’該套管54具有多數徑向孔542，該軸桿 5 52具有一通孔522，以及多數連接孔524連通該通孔522 與該套管54之徑向孔542，該通孔522形成一軸孔522， 該軸桿52之各連接孔524與該套管54之各徑向孔542共 同形成一氣孔56，此外，該軸孔522係更與該抽氣機12 連接’藉此，該抽氣機12可透過該軸孔522及該等氣孔56 ⑺抽氣，藉此將該薄膜16吸附於該套管54之周壁，該上滾 筒50可於一第三位置(如第二圖）及一第四位置(如第三圖） 之間移動，當該上滾筒50位於該第四位置時，該套管54 係貼抵於該板件14之頂面，該套管54之係由優力膠所製 成’以避免該套管54與該板件14接觸時造成板件14毀損， 15上述之優力膠亦可以橡膠或其他彈性材料取代，此外，該 套管54之周壁設有多數環槽544。 該第—收膜組件60係設於該基座20且位於該上滾筒 50之上方’該第一收膜組件60可與該上滾筒5〇同步移動， 且具有一管件62以及一刮刀64，該管件62具有一抽料道 20 622、一長槽624以及多數吸氣孔626，該抽料道622係更 連接至另一抽氣機（圖未示），藉以將進入該抽料道622内之 薄膜抽出，該長槽624係設於該管件62之底侧且連通該抽 料道622與外界，該等吸氣孔626係設於該管件62之頂側 及後侧’該刮刀64具有一基部642設於該管件62，以及多 7 M298575 數凸部644自# I ^ d，μ ^ 基 伸而出’該等凸部644係插入 w上滾同50套營54之環槽544。 薄膜關骏置10之撕膜過程，請先參閱第二圖，該 =以==於第三位置，該送氣件 該運送方向D浐、* 又°亥等滾輪36之驅動而朝 月丨J進至圖中所示位置；冬兮 達該上滾筒50之下方睥，㈠田_ 14之丽緣到 移動至第四位署 ％弟三圖所示，使該上滾筒50 切芏弟四位置而貼抵於該板件14， 該送氣件4〇移 吏以軋壓缸46推送 薄腺1 ^夕义 一 ，且朝該板件14吹氣，將兮 ^ 56 ^ Η ™ } 米P可將该薄膜16吸附於^ 、 著該板件Μ之前進以及該上滚筒54之表面；隨 由該板件Μ頂面脫離，而附著於該套之 15 20 撕除的目的；當薄膜16隨該上滾汽/ 54之表面’達到 該薄膜16肱、乙展问50方疋轉至該刮刀64時， 雜16將沿者該刮刀64之頂面通過該長样 才 μ抽料這622中，同時透過該等吸氣 〔、、，進入 吸氣，以協助將除下之薄膜16收集於該^抽料逼622 張薄膜16均收容於該管件62，時，、即62内，當整 產生之負壓抽出而集中廢棄，該刮：6=亥抽氣機抽氣 §亥套管54之環槽544，以使該薄膜μ # 644係插入 54之周壁脫離；此外’當該_ 16貼^=自^套管 時，即可使該送氣件40下降而回到第=亥套官54周壁 件14之儿、隹、土成阻礙，杳j k从 置’以免對該板 4之則進造成阻喊，虽该板件14離開該上滚筒 μ上凌筒50料回弟二位置，也可以停留在第四位置等待 8 M298575 下一張板件14的來臨，若 不同，則需微調該上滾茼5G與該滾輪之 =度與前—張板件 張板件得順利通過兩者之間。一 之間隙而使下- 藉此，該撕膜裝置10即 除’由於本發明之撕獏裝置1〇係： 之薄膜16撕 撕臈，相對於習知結構於板 谁 域間進行 該撕膜裳置ω於撕膜過程中完全^^加快’此外， 耗材成本，同時也可減少㈣^不僅節省 的要求，再者，該送氣件4G% 而更加符合環保 組件60尸、需作小幅度之 :2二以及該第-收膜 表面撕除，其空間之佔用亦較為節省/㈣版16自該板件 15 再參閱第四及第五‘撕^創=頂幸面3二，二薄膜，請 具有與該第—較佳實施例中相同之基座(圖 組件84 組件78、送氣件8〇、上滾筒μ以及第一收膜 86以及不同點在於，該撕膜裝罝7G更包含有—下滾筒 8 —fj收膜組件90 ’該下滾冑86係設於該上滚筒 。亥第一收膜組件9〇則位於該下滾筒％之下方。 ，下滾筒86具有與該上滾筒82相同之轴孔船、氣孔 1及％槽（圖未示），該下滾筒86之軸孔862同樣與一 =乳機(圖未示)連接，該下滾筒86可於一第五位置(如第四 圖）及—第六位置（如第五圖）之間移動，當該下滾筒86位於 20 M298575 δ亥第六位置時，該下滚筒86係貼抵於該板件72之底面β 該第二收獏組件90可與該下滾筒86同步移動，且具有與 α亥第收膜組件84相同之管件92以及刮刀94，該第-收 膜組件90之刮刀94同樣插入該下滾筒86之環槽中，惟該 第二收膜組件90管件92之長槽924係位於該管件92 = 側。 貝 15 该撕膜裝置70於撕除前，如第四圖所示，該上、下滾 筒82,86刀別位於第二、第五位置，該送氣件⑽係位於第 二位置二該板件72受該等滾輪782之驅動朝該運送方向D 刖進，當該板件72之前端脫離該輸送組件78而到達該上 筒!2之下方時，如第五圖所示，該上滾筒82係向；移 至弟四位置，該下滚筒86亦向上移動至該第六位置，該 ^下滾筒μ，％分別貼抵於該板件η之頂、底面，並配 ,透過該等氣孔822,864純，以及料刮刀844,94之導 丄紅薄膜74即可自該板件72表面脫離而分別進入該 、弟—收膜組件84,90之抽料道842,922之十。 變化基神’該撕膜裝置於結構上亦具有多種 二二弟：父佳貫施物’該 薄膜，至二1^—6 _來收集貼附於該上滾筒知之 手臂拉除之;二，亦可使用人工或是機械 膜Α朝管件62另移動由^管件62之一端吹氣，使薄 而不限於利用抽氣機產生亦可達到相同功效， 玍乳机抽出，再者，該送氣件4〇之 20 M298575 第一位置亦可位於第二位置之上方或兩側，只要不影響該 板件14之前進即可，該送氣件40、該上滾筒50以及該第 一收膜組件60亦可共同固設於一移動座，並藉由該移動座 進行相對於該基座20之垂直移動，而使送氣件40、上滾筒 5 50及第一收膜組件60同步升降，也可達到撕除薄膜之目 的，舉凡此等易於思及之變化，均應被本創作之申請專利 範圍所涵蓋。 M298575 【圖式簡單說明】 第一圖係本創作第一較佳實施例之立體圖。 第二圖係本創作第一較佳實施例之剖視圖 薄膜撕除前之狀態。 5 第三圖係本創作第一較佳實施例之剖視圖 薄膜撕除時之狀態。 第四圖係本創作第二較佳實施例之剖視圖 薄膜撕除前之狀態。 第五圖係本創作第二較佳實施例之剖視圖 10 薄膜撕除時之狀態。 ，且係顯示 ，且係顯示 ，且係顯示 ，且係顯示 12 M298575 【主要元件符號說明】The machine can deliver air to the outside through the nozzles 44. The front edge of the mountain I is separated from the sheet material. The design is often slightly outwardly protruded from the plate member 14 to achieve the purpose of completely splicing the piece 14, but also Therefore, the thin medium 16 is only two plates, but even if the periphery of the lamella 14 is not protruded (four) plate member = air flow can achieve the effect of (four); in addition, the pneumatic cylinder 46 is provided on the base 20, whereby 1. The corpse, the corpse, the gongs, the gongs, the gongs, the squats, the squats, the squats, the squats, the squats, the squats, the squats, the squats, the squats, the squats, the In the 20 20 M298575, the second position is in the transport direction D of the panel 14. The upper roller 50 is located above the transport assembly 3, the upper roller 50 has a shaft 52 rotatably disposed on the base 2 (), and a sleeve 54 is sleeved on the shaft 52' 54 has a plurality of radial holes 542, the shaft 5 52 has a through hole 522, and a plurality of connecting holes 524 communicate with the through hole 522 and the radial hole 542 of the sleeve 54, the through hole 522 forms a shaft hole 522, the shaft Each of the connecting holes 524 of the rod 52 and the radial holes 542 of the sleeve 54 form an air hole 56. Further, the shaft hole 522 is further connected to the air extractor 12, whereby the air extractor 12 is permeable. The shaft hole 522 and the air holes 56 (7) are evacuated, thereby adsorbing the film 16 to the peripheral wall of the sleeve 54. The upper drum 50 can be in a third position (as shown in the second figure) and a fourth position ( As shown in the third figure, when the upper drum 50 is in the fourth position, the sleeve 54 is fastened against the top surface of the plate member 14. The sleeve 54 is made of superior glue. 'To avoid damage to the plate member 14 when the sleeve 54 is in contact with the plate member 14, 15 the above-mentioned superior glue can also be replaced by rubber or other elastic material, and in addition, the sleeve 54 Most of the peripheral wall of the annular groove 544 is provided. The first film-receiving unit 60 is disposed on the base 20 and above the upper drum 50. The first film-receiving unit 60 can move synchronously with the upper drum 5〇, and has a tube member 62 and a scraper 64. The pipe member 62 has a suction channel 20 622, a long groove 624 and a plurality of suction holes 626, which are further connected to another air extractor (not shown), so as to enter the suction channel 622. The inner film is drawn out, and the long groove 624 is disposed on the bottom side of the tube member 62 and communicates with the suction channel 622 and the outside. The suction holes 626 are disposed on the top side and the rear side of the tube member 62. A base portion 642 is disposed on the tubular member 62, and a plurality of 7 M298575 number convex portions 644 extend from the # I ^ d, μ ^ bases. The convex portions 644 are inserted into the ring groove 544 of the 50 camp 54 . The process of tearing film of the film Guanjun 10, please refer to the second figure first, the === in the third position, the air supply part of the transport direction D浐, * and ° Hai and other wheels 36 drive to the moon 丨J Go to the position shown in the figure; the winter 兮 该 该 该 上 上 上 上 睥 睥 睥 睥 睥 睥 睥 睥 睥 睥 睥 睥 上 上 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ And attached to the plate member 14, the air supply member 4 is moved and pushed by the rolling cylinder 46 to push the thin gland 1 and the air is blown toward the plate member 14, and the 兮^56^ Η TM } m P can be Adhesively adsorbing the film 16 on the surface of the plate member and the surface of the upper roller 54; the purpose of peeling off the cover member 15 When the surface of the upper steam/54 reaches the film 16肱, and the surface of the blade 64 is turned to the blade 64, the impurity 16 will pass the sample of the top surface of the blade 64 to the sample 622. At the same time, through the inhalation [,,, into the inhalation, to assist in collecting the removed film 16 in the pumping 622 sheets of film 16 are contained in the tube member 62, when, that is, within 62, whenThe generated negative pressure is extracted and concentrated, and the scraping is: 6=Hai air extractor pumping the ring groove 544 of the casing 54 so that the film μ 644 is inserted into the peripheral wall of the 54; in addition, when the _ 16 When the ^^ is self-contained, the air supply member 40 can be lowered to return to the child of the 54th wall member 14 of the cover member, and the soil is obstructed, so that the board is not disposed. Into the blockage, although the plate 14 leaves the upper drum μ on the cylinder 50 back to the second position, you can stay in the fourth position and wait for 8 M298575 next plate 14 to come, if different, you need to fine-tune The upper roller 5G and the roller have a degree of smooth transition between the front plate and the front plate member. A gap is then brought down - whereby the tear film device 10 is removed from the sheet by the tearing device according to the tearing device of the present invention: Singing ω in the process of tearing the film completely ^ ^ speeding 'In addition, the cost of consumables, but also can reduce (four) ^ not only save the requirements, in addition, the gas supply parts 4G% and more in line with environmental protection components 60 corpses, need to be small : 2 2 and the first - film surface tearing, the space is also more economical / (four) version 16 from the plate 15 then refer to the fourth and fifth 'tear ^ Chuang = top Xing noodles 3 two, two films, Please have the same base as in the first preferred embodiment (the assembly 84 assembly 78, the air supply member 8〇, the upper roller μ, and the first receiving film 86, and the difference is that the tear film assembly 7G further includes - lower roller 8 - fj film-receiving assembly 90 'The lower roller 86 is attached to the upper roller. The first first film-receiving assembly 9 is located below the lower roller. The lower roller 86 has the upper roller 82 The same shaft hole ship, air hole 1 and % groove (not shown), the shaft hole 862 of the lower roller 86 is also the same as a = milk machine (Figure Connected, the lower roller 86 is movable between a fifth position (such as the fourth figure) and a sixth position (such as the fifth figure), when the lower roller 86 is at the sixth position of 20 M298575 δHai, The lower roller 86 is attached to the bottom surface β of the plate member 72. The second receiving member 90 is movable synchronously with the lower roller 86, and has the same tubular member 92 and the scraper 94 as the αHai film collecting assembly 84. The scraper 94 of the first film-receiving unit 90 is also inserted into the ring groove of the lower drum 86, but the long groove 924 of the pipe member 92 of the second film-receiving unit 90 is located on the side of the pipe member 92 = 1. The tear film device 70 is Before the tearing, as shown in the fourth figure, the upper and lower rollers 82, 86 are located in the second and fifth positions, and the air supply member (10) is located in the second position. The plate member 72 is driven by the rollers 782. Advancing toward the transport direction D, when the front end of the plate member 72 is separated from the transport assembly 78 and reaches below the upper tube ! 2, as shown in the fifth figure, the upper roller 82 is oriented; The lower roller 86 is also moved upward to the sixth position, and the lower roller μ, % are respectively attached to the top and bottom surfaces of the plate η, and are matched The blush film 822, 864 pure, and the blush film 844, 94 of the blush film 844, 94 can be detached from the surface of the plate member 72 and enter the hoppers 842, 922 of the ridge-receiving assembly 84, 90, respectively. The change of the base god's tear film device also has a variety of two or two brothers in the structure: the father of the best application of the 'the film, to two 1 ^ - 6 _ to collect attached to the upper roller knowing the arm to pull out; Alternatively, the manual or mechanical membrane can be used to move the tube 62 to the other end of the tube member 62, so that the thinness is not limited to the use of the air extractor to achieve the same effect, the milking machine is extracted, and further, the air supply member 4〇20 M298575 The first position may also be located above or on both sides of the second position, as long as the plate member 14 is not affected, the air supply member 40, the upper roller 50 and the first film collecting assembly 60 are also The movable seat 40, the upper roller 550 and the first film-receiving assembly 60 can be lifted and lowered simultaneously by the vertical movement of the movable seat with respect to the base 20, and the tearing can also be achieved. In addition to the purpose of the film, all such changes that are easy to think of should be applied for by this creation. Please cover the scope of the patent. M298575 [Simple Description of the Drawings] The first drawing is a perspective view of the first preferred embodiment of the present creation. The second drawing is a cross-sectional view of the first preferred embodiment of the present invention before the film is peeled off. 5 The third drawing is a cross-sectional view of the first preferred embodiment of the present invention when the film is peeled off. The fourth drawing is a cross-sectional view of the second preferred embodiment of the present invention before the film is peeled off. The fifth drawing is a cross-sectional view of the second preferred embodiment of the present invention. The state of the film when it is peeled off. , and the system displays , and the system displays , and the system displays , and the system displays 12 M298575 [Main component symbol description ]
10 1510 15
10撕膜裝置 12抽氣機 14板件 20基座 16薄膜 D運送方向 30輸送組件 32轴承座 36滾輪 34轉軸 40送氣件 42箱體 46氣壓缸 44喷嘴 50上滾筒 52轴桿 522軸孔 524連接孔 54套管 542徑向孔 56氣孔 544環槽 60第一收膜組件 62管件 622抽料道 624長槽 626吸氣孔 64刮刀 644凸部 642基部 70撕膜裝置 72板件 74薄膜 78輸送組件 782滚輪 80送氣件 82上滾筒 822氣孔 84第一收膜組件 842抽料道 844刮刀 86下滚筒 862軸孔 864氣孔 90第二收膜組件 92管件 922抽料道 924長槽 94刮刀 13 2010 tear film device 12 air extractor 14 plate 20 base 16 film D transport direction 30 transport assembly 32 bearing seat 36 roller 34 shaft 40 air supply member 42 box body 46 air cylinder 44 nozzle 50 upper drum 52 shaft rod 522 shaft hole 524 Connection hole 54 sleeve 542 radial hole 56 air hole 544 ring groove 60 first film-receiving assembly 62 pipe member 622 suction channel 624 long groove 626 suction hole 64 blade 644 convex portion 642 base portion 70 tear film device 72 plate 74 film 78 Conveying assembly 782 roller 80 air supply member 82 upper roller 822 air hole 84 first film collecting assembly 842 suction channel 844 scraper 86 lower roller 862 shaft hole 864 air hole 90 second film assembly 92 pipe 922 pumping channel 924 long groove 94 scraper 13 20