TW201114673A - Web joint device, web joint method and manufacturing method of functional films - Google Patents

Abstract

The present invention will not generate contamination such as dusts. and increase joint precision and quality of web. Web 34 of an old roll 26 and web 54 of a new roll 30 are simultaneously cut off with an upper blade drum 42 and a lower blade drum 44. The clamping pressure towards the web 34 and the web 54 due to the upper blade drum 42 and the lower blade drum 44 is weakened, and the cut web 34 is withdrawn. The cut web 34 and web 54 are transported by the lower blade drum 44, and clamped by the lower blade drum 44 and a first joint drum 46 while a joint tape kept on the first joint drum 46 is adhered to the rear end of the web 34 and the front end of the web 54 so as to perform the jointing operation.

Description

201114673 VI. Description of the Invention: [Technical Field] The present invention relates to a web bonding apparatus, a web bonding method, and a method of manufacturing a functional film, and more particularly to A roll paper joining device, a web joining method, and a method of producing a functional film, in which an end of a roll of an old roll and a paper end of a new roll are butted against each other. [Prior Art] As a prior art web-engaging device, there is known a so-called butt-joining device H. When the web is joined, the rear end of the web of the old reel and the reel of the new reel are made. In a state in which the leading end of the roll paper is butted, a tape is placed on both to attach and join the both (the web-engaging device disclosed in Patent Document 1 has a drum) 'With the cutting blade, it can rotate at the same speed as the transport speed of the roll paper; the cutting and joining drum can be rotated at the same speed as the transport speed of the roll paper; and the drum can be engaged. The strip is held in a peeling manner and can be rotated at a speed θ speed with respect to the transport speed of the web. In the paper joining device, the drums and the reel of the old reel are lost by the respective drums. Paper, and at the same time, the old and new webs are cut and joined, and the web is cut and joined at a high speed. 3 [Prior Art Document] [Patent Document] [Patent Document 1] Japanese Patent Publication No. 2007 62952 201114673 However, the web of Patent Document 1 In the butt jointing apparatus, there is a problem that the discomfort is δ, which is a step of requiring cleanliness (clearness (cle)) (for example, a manufacturing process of a functional film used in a liquid crystal display device). In this case, the cutting drum and the joining drum are disposed on the lower side with respect to the transport path of the roll paper, and the cutting drum is disposed on the upper side. Therefore, the rotation of the cutting drum, the cutting and joining drum, and the joining drum are performed. A guide member having a triangular cross-sectional shape is provided in a substantially triangular-shaped space portion surrounded by the outer circumference, and the guide member guides the web at the time of joining to prevent it from being displaced from the web transport path. The member and the web are often rubbed to generate contamination such as dust. In the joining device of Patent Document 1, the rear end of the unwound old web and the new reel are cut. The front end of the web is connected. On the other hand, the remaining portion of the web of the old reel after cutting is in a state of being wound around the old reel. Then, by facing the old reel and the web Direction of movement Rotating in the opposite direction to wind the remaining web after cutting on the old reel. At this time, in the state where the web of the new reel is held by the guiding member and the cutting and engaging drum, the paper is taken out. The web of the old reel is wound up. Therefore, the web of the old reel and the web of the new reel are often rubbed to generate contaminants such as dust. The present invention is directed to this. The purpose of the invention is to provide a web joining device, a web joining method, and a method for manufacturing a functional film, which can prevent contaminants such as dust and improve joint precision, and can be 201114673 juu tyyu

Improve the quality of the web so that it can be applied to steps that require high cleanliness (cleanliness). In order to achieve the above object, the web jamming device of the present invention is a web joining device comprising: a turret mechanism rotatably supporting the first and first reels to enable winding a first reel having a first web and a second reel having a second reel wound; a cutting engagement mechanism for cutting the first web and the second web Engaging; extracting the first web that is not joined to the second web before joining the first web by the joining belt by φ and the take-up mechanism part. Further, the cutting and splicing mechanism includes: an upper blade, which is provided with respect to the transport path of the first and second webs, and has a cutting blade on the upper side; and a lower blade drum relative to the first and second a transfer path of the roll paper disposed on the lower side and having a cutting blade; and a bonding drum that holds the bonding tape and is disposed on the upper side with respect to the transport path of the roll paper, and the upper blade drum, the lower blade drum, and the The engagement drum is driven in synchronization with the roll and the conveyance speed of the paper, and the upper blade drum and the lower blade drum are configured to sandwich the rear end portion of the first roll paper and the front end portion of the second roll paper On the one hand, the joint is cut at the same time, and the nip between the first web and the second web is weakened after the break, and the lower blade 豉 and the engaging drum are configured to be crimped and cut off. The rear end portion of the first web and the front web of the second web are attached to the joint portion on the one hand. In order to achieve the above object, the hair _ paper joining method includes the following steps. The first roll to be wound with the first roll is wound with the second roll 7 201114673. «;w / paper The two reels are rewindably disposed on the rotatable turret (by the Ting) mechanism, rewinding the first web; and disposed on the upper side by having a cutting blade and a conveying path with respect to the web The upper blade drum and the lower blade 配置 disposed on the lower side with the cutting blade and the transport path with respect to the roll paper, on the one hand, pinch the rear end portion of the first roll paper and the second roll paper The front end portion is simultaneously cut to form a joint portion; after the joint portion is formed, the pressure between the first web and the second web after the upper blade drum and the lower blade drum pair are cut off is weakened Extracting a portion of the first roll paper that is not joined to the second roll paper; and holding the joint tape and arranging it on the upper side by the transport path with respect to the first and second roll papers Engaging the drum with the lower blade drum described above, Said front seat on the rear-end portion of the first web and the second web, on the one hand is attached to the bonding tape joint. In order to achieve the above object, a method for producing a functional film of the present invention is characterized by comprising at least the steps of: rewinding a first web, applying a coating liquid onto the first web, and applying the coating Liquid drying; bonding the first web and the second web by a joining method as described above; and rewinding the second web to apply a coating liquid on the second web, The coating liquid was dried. In the present invention, the so-called butt joint method is employed, in which the web is joined, and the rear end of the web of the reel is connected to the front end of the web of the new reel, and the bonding tape is attached. Attached to the joint to join. By arranging the upper blade 'on the upper side and the lower side to arrange the lower blade drum with respect to the transport path of the roll paper, the lower blade drum functions as the guide member 201114673. Thereby, the guide member is not required. Therefore, the problem that the guide member rubs against the web to generate contaminants such as dust does not occur. Moreover, the web and the new roll of the old reel are simultaneously cut by the upper blade drum and the lower blade drum. After the roll of the roll, the clamping pressure of the upper and lower blade drums on the two webs is weakened. In this state, the old roll of the old roll is also taken out by withdrawing the cut paper of the old roll. The problem that the web is rubbed against the web of the new reel to generate contaminants such as dust or the back of the web at the same time when the back end of the old web is taken out is not 9 (Effect of the Invention) According to the present invention, in the butting engagement of the rolls, no contaminants such as dust are generated and the joining precision can be improved, and the quality of the roll paper can be improved to be applicable to high demands. Cleanliness (cleanliness) The above and other objects, features, and advantages of the present invention will become more apparent from the aspects of the invention. The preferred embodiments of the present invention are described in the following preferred embodiments of the present invention, which may be modified by various methods without departing from the scope of the present invention, and other implementations other than the present embodiment may be utilized. Therefore, all modifications within the scope of the present invention are included in the scope of the claims. The preferred embodiments of the web joining apparatus and method of the present invention will now be described with reference to the accompanying drawings. The form of the web is connected to 201114673 wf ^ 2^*·*· the overall view of the device 10. As shown in Fig. ,, the web joint device 10 includes = turret 12, as a turret mechanism; Paper cut-off joint unit 70 (unit) 14 as a cut-and-join mechanism; roll paper conveying device 16' as a transfer device for new roll paper; and roll paper lifting device 18' as a cut-off device The take-up mechanism of the web has a turret arm 20. The turret arm 20 is rotatably mounted on the strut 22 with the shaft 24 as a fulcrum. At one end of the turret arm 20' The old reel 26 for rewinding the web is rotatably supported by the shaft 28 as a rotating shaft. At the other end, the shaft 32 is rotatably supported to start the rewinding of the web. Reel 30. Rewinding web 34 from old reel 26. The shaft 28 and shaft 32 of the turret unit 12 are provided with a clutch device (not shown) for instantaneous switching to rewind with the web In the opposite direction, the roll paper 34 is guided to the cut-and-join unit 14 via a guide roller 36. The lift device 18 is provided with an air cylinder 38 and an arm 40 coupled to one end of the cylinder 38. . The other end of the cylinder 38 is fixed to the cutting engagement unit 14. The arm 40 is hinged to the cutting engagement unit 14 at the bottom end. The arm 40 supports the guide roller 36 in a rotatable state at one end thereof. By elongating the rod of the cylinder 38, the arm 40 is rotated downward with the bottom end as the center. The guide roller 36 moves downward as the arm 40 moves. In the present embodiment, the cylinder and the arm are used to move the guide, but the guide roller may be moved by using a linear guide cylinder, a hydraulic cylinder, a motor drive or the like. 201114673. The roll paper cutting unit 14 includes an upper blade drum 42 disposed on the upper side of the conveyance path of the roll paper 34, and a lower blade drum 44 disposed on the lower side of the conveyance path of the roll paper 34. The i-joining drum is disposed on the upper side of the conveyance path of the reel 34, and the second engagement drum 48 is disposed on the lower side of the conveyance path of the roll paper 34. Each of the drums 42, 44, 46, 48 is disposed in the casing 50. The drums 42, 44, 46, 48 are synchronously rotated by power from a drive motor (not shown). The roll paper 34 is guided by the guide rolls 52 via the drums 42, s, 46, and = and wound around a winding device (not shown). The layout (rolling angle) of the web f (the path angle) is not limited to the present cross-section, and the structure may be inclined as a whole. The leading end portion of the new roll 3 of the roll paper μ is smashed by the lower blade fJU4 until it is ready for engagement until it is joined to the rear end of the paper roll 34. 2. A seamless looped chain as a mobile device is attached to the chain 66, 66, which is stranded, a few flat, and a m μ u ΑΑ ^ Λ 构件 member 68. The chains 66 and 66 are disposed at a wider interval than the width of the roll paper 54. The sprocket 70, 70 a ', 66 is at a position below the joint position 3G of the cut joint unit 而. The direction moves around. The holding member 68 is moved around the chain 66 and the surrounding arrow. The garment % is moved synchronously, and the clamp is held, and the front end of the paper 54 is conveyed to the lower blade drum by the front end of the grip member 68 by the == front end of the grip member 68, and the reel of the new reel 30 is driven. Surrounding with the sprocket 71; more: the key stop wheel = 66, 66 can be mounted in the frame 201114673 50 by the sprocket 71. The holding member 68 is composed of two elongated plates. The plates are formed to be wider than the width of the roll paper 54, and are formed to be able to sandwich the entire width of the front end portion of the roll paper 54 over the entire area. The roll paper 54 is supported by the guide rolls 56 so as not to contact the roll paper 34, or is slackened downward. Next, the configuration of each drum will be described with reference to Fig. 2 . The upper blade drum 42 is provided with a rotating shaft 42A and an outer peripheral member 42B attached to the rotating shaft 42A. The outer peripheral member 42B has an arcuate outer peripheral surface. The outer peripheral member 42B is provided with a cutting blade 42C' on its surface, and the cutting blade 42C is held by the elastic member 42D. The upper blade drum 42 is rotated counterclockwise about the rotation shaft 42A. The step portion 42E is formed on the surface of the outer peripheral member 42B on the upstream side of the cutting blade 42C with respect to the rotational direction. The step portion 42E is recessed from the surface of the elastic member 42D by a depth l (about 1 mm to 10 mm). Here, the focus is on preventing the upper blade drum 42 and the lower blade drum 44 from niping the web by recessing the step portion 42E. Therefore, L can also be larger than 10 mm. The lower blade drum 44 includes a rotating shaft 44A and an outer peripheral member 44B attached to the rotating shaft 44A. The lower blade cymbal 44 composed of the rotating shaft 44A and the outer peripheral member 44B is formed in a fan shape in cross section. A cutting blade #桃 is attached to the surface of the outer peripheral member 44B. The cutting blade is composed of a plate-like flat surface. By pressing the cutting blade 42C of the upper blade drum 42 against the cutting blade 44C, the cutting paper is pressed by the cutting blade #42C and the cutting blade #44C. A vent hole 44D is formed in the surface of the outer peripheral member 44B. An air suction device (not shown) is connected to the vent hole 44D. The vent 44D can be sucked to absorb the web by pumping 12 201114673. The first engagement drum 46 includes a rotation shaft 46A and an outer peripheral member 46B attached to the rotation shaft 46A. The first engaging drum 46 composed of the rotating shaft 46A and the outer peripheral member 46B is formed in a fan shape in cross section. A vent hole 46C is formed in the surface of the outer peripheral member 46B. An air suction device (not shown) is connected to the vent hole 46C. The vent hole 46C detachably adsorbs the joint tape 8〇. The second engagement drum 48 includes a rotation shaft 48A and an outer peripheral member 48B attached to the rotation shaft 48A. The second bonding drum 48 composed of the rotating shaft 48A and the outer peripheral member 48B is formed to have a circular cross section. A vent hole is formed in the watch © for the outer peripheral member. An air suction device (not shown) is connected to the vent hole 48C. The vent hole 48C detachably adsorbs the joint tape 82. Similarly, the second engagement drum 48 may be fan-shaped in the same manner as the first engagement drum 46. The cut-and-engagement unit 14 of the μ-web is subjected to drive control so that the rear end portion of the roll paper 34 from the old reel 26 approaches the reel-cut joint unit Μ. Furthermore, the old reel 26 # can be joined midway. _, the cutting engagement unit The driving of the crucible is performed not only when the rear end portion of the roll paper 34 approaches, but also in the middle. The paper web joining method of the web paper joining device 10 constructed as described above is sequentially turned over. First, in Fig. 1, the chain 66, 66j of the conveying device 16 is moved to cause the holding member 68 to be located in a new reel as shown in Fig.

In 30 54 ^ ^ ^Reverse... The gripper member 6 is used to extend the entire width of the entire landline web 54. By this, =

S 13 201114673 The transfer preparation work of the paper 54 is completed. The key strips 66, 66 are then surrounded by the web 54. Then, the width of = is held by the lower blade chamber branch 4 of the cutting and joining unit 14. The winding 54 becomes a standby state for bonding. The money roll paper % is wound around a winding device (not shown), and is wound until the roll paper is engaged. The roll paper 34 is continuously wound until the remaining amount is reduced. Let each drumstick 44 hold the joint Γ Γ = === factory. The first bonding drum 46 is adsorbed and maintained, and the bonding belt is oscillated as shown in Fig. 4. When there is little, each drum ^ ^ when the old roll of the roll paper 34 has the remaining amount of 44 from the original _. __ 4^, 4= synchronous rotation. Figure 4 shows the state of the lower knife > ί & step. Turn sand with the same blade. Further, the first and second engaging drums 46 are rotated counterclockwise from the origin counterclockwise: r and the reel =2 == and the 筮1& person, the cymbal cymbal 44 are synchronized, the upper knives only ^self ° 政 46 46 from the origin Rotate 112 counterclockwise. . As shown in Fig. 5 and a field rotates 112 自 from the origin, the mouth 5 does not, the pressure (sound roll paper 34 is synchronized with the roll = 42 (four) IX, the underarm blade drum 44, the upper blade drum 4 turns 2 201114673 W / The first engaging drum 46 is rotated counterclockwise from the origin by 118% as shown in Fig. 6. When rotated from the origin 118, the web is pinched (clamped) by the upper blade drum 42 and the lower blade drum 44. In the state of 34 and the roll paper 54, the roll paper 34 and the roll paper are pinched (clamped) by the lower blade drum 44 and the first engaging drum 46, and the lower blade drum 44 is shown from the origin (Fig. 7). The clockwise rotation is 136°. In synchronization with the lower blade drum 44, the upper blade drum 42 and the first engagement tube 46 are rotated counterclockwise 136 from the origin. As shown in Fig. 7, when rotating from the origin At 136, the upper blade drum 42 and the lower blade drum 44 are simultaneously cut off by the upper blade drum 42 and the lower blade drum 44 in a state where the upper blade drum 42 and the lower blade drum 44 are lost (clamped) by the roll paper 34 and the roll paper 54. The paper 34 and the roll paper %. Thereby, the roll paper 34 is cut into the roll paper 34 wound on the winder and the roll paper 34 remaining after the cutting. Moreover, the roll paper 54 is cut. Broken into a connection; ^ The roll paper 54 of the roll paper 34 is separated from the discarded roll paper 54. Then, Fig. 8 shows a state in which the lower blade drum 44 is rotated clockwise 143 from the origin (in.) in synchronization with the lower blade drum 44. In the manner, the upper blade drum 10 and the first engagement drum are rotated counterclockwise from the origin 143. As shown in Fig. 8, when the M3 is rotated from the origin, the upper blade drum 42 and the lower blade drum 44 are opposed to the paper 34. 34 Β Β Β 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 42. Thereby, the gap between the upper blade drum 42 and the lower blade drum 44 is widened, and the upper plate drum 42 and the lower blade drum 44 are substantially free from pressure loss of the web 34, 3, and the reel Paper 54A, 54B. Therefore, 'web 34B is formed with web 54a

S 15 201114673 is the state of simple contact. 203. = Figure 9 shows the shape L of the lower blade drum 44 rotating clockwise from the origin (〇.). The upper blade and the first engagement drum 46 are rotated counterclockwise from the origin by 2〇3 in synchronization with the lower blade drum 44. . Then 42 drums from 143. Rotate to 203. Until then, the guide parent % moved in the downward direction by raising and lowering ^. As the guide light 36 moves, the transport path of the roll paper MB between the guide roller % and the sheet bundle 44 becomes long. With this = 34 Β 贝 上 on the self-reel 54 被 is extracted. The lifting of the guide roller % is carried out by means of a lifting device as described in the above. Back as shown in Figure 9, when rotating 2〇3 from the origin. At the same time, the joint belt 80 secured by the second weeping drum is sandwiched by the second weaving drum 46 and the lower blade drum, and is attached to the rear end of the web 34A and the web 54 on the one hand. The joint formed by the front end. Before the joining tape 8 is attached to the joint portion, it is important to take out the roll paper 34B. As shown in Fig. 9, the joined web 34A and the web 54A are supported by the lower blade drum 44 and transported to the attachment position of the bonding tape 8''. Therefore, in the present invention, the lower blade drum 44 functions as a guiding member, so that no guiding member is required. The problem with the 'previous web joining device, i.e., the contaminants caused by the guiding members, is prevented. Moreover, the web 34B and the web 54A are only in simple contact and are not firmly adhered together. As a result, the "back roll 34B of the old reel does not strongly rub against the roll paper 54A of the new reel" and the roll paper 34B is taken out. Therefore, contaminants caused by the withdrawal of the web of the old reel are prevented. Moreover, the problem of close contact at the front end of the 201114673 roll of the new roll at the same time as the rear end of the old roll is taken out is also prevented. In the present embodiment, 'the guide roller 3 34B is made. However, 'it is not limited to this: *vibrate the paper to rotate, so as to extract the web from the end of the motor, the reel is reversed 25S〇^<t ^ I? Cityman & Gogur 1 Rotate 258 from the origin. At the time, when the 0 is connected to the 0, the bonding belt 82 is held, and the brother 2 2 is engaged with the drum core, and on the other hand: :=== is attached = on the opposite side to the surface to which the bonding tape 8 贴 is attached On the surface. Then, Fig. 11 shows the state of the lower blade drum 44 from the origin (as shown in Fig. π, when rotated 272 from the origin), ten: the engagement drum 46 and the second engagement drum 48 are engaged with each other. Then, the guide roller 36 is moved in the upward direction to reset to the original position. With the rotation of the lower blade drum 44, the cut web 5 is dropped to the lower side. The front end of the web 54 is in the In a state where the continuation member 68 is held, the chain is moved around and transported to the upstream side of the roll paper conveying device 16 until the next joining. Alternatively, a recovery container may be provided below the lower blade drum 44. In order to recover the cut web 54 Β. Next, Fig. 12 shows the sorrow of the lower blade drum 44 rotated clockwise from the origin (〇.) as shown in Fig. 12, when rotated 293 from the origin. The contact of the web 54Α with the respective drums 42, 44, 46, 48 is completed. At this moment, the engagement of the rear end of the web 34Α with the leading end of the web 54Α is substantially completed. The roll paper 34 is wound around a winding device (not shown), and the guide roller 36 is returned to the original position. Holding new drum turret

S 17 201114673 The device also rotates in unison with the completion of the engagement. The new roll moves to the position and the roll of the new roll becomes the roll of the old roll. . . . . Next, Fig. 13 shows a state in which the lower blade drum 44 is rotated clockwise by 32 〇 from the origin (0.). As shown in Figure 13, when rotated 320 from the origin. At this time, the roll paper 54 passes between the drums 42, 44, 46, 48 as the roll paper 34, and is wound around the winding device. At this time, preparation for feeding the second bonding drum 48 is started. σ ° When the drums 42, 44, 48, and 48 are further rotated, the initial state shown in Fig. 3 is stopped and the rotation is stopped. It becomes a standby state for connecting the webs to each other. According to the embodiment of the present invention described above, it is not necessary to guide the web at the time of joining to prevent it from deviating from the guide member j of the web transport path so that the guide member and the reel do not occur. The paper is rubbed to cause problems such as dust and the like. Moreover, the problem that the guiding member rubs against the web to cause scratches on the web does not occur. Further, after the web of the old reel and the web of the new reel are simultaneously cut by the upper blade drum and the lower blade drum, the upper blade drum and the lower blade drum are weakened, and the paper is sandwiched. The withdrawal of the web of the old reel which is broken in this state does not cause the problem that the web of the old reel rubs against the web of the new reel to generate contaminants such as dust. Therefore, contaminants such as dust are not generated and the joining accuracy can be improved, and the quality of the web can be improved to be applicable to a step requiring high cleanliness (cleanness). Next, FIG. 14 shows the configuration of a manufacturing line of a functional film (manufacturing 201114673 line). The manufacturing line includes a roll paper joining device 10 including a turret device 12 and a cutting and joining unit 14, a coating device 60, a drying device 62, and a winding device 64 for web. A coating liquid is applied to the surface of the roll paper 34 fed from the old reel 26 by the coating device 60. Although the die coater is exemplified as the coating device 60, the present invention is not limited thereto, and a bar coater, a gravure coater, or a roll coater may be used. (transfer roll coater)

Coater), reverse roll coater, etc., extrusion coater, fountaill coater, curtain coater, dip coating A dip c〇ater, a spray coater or a slide funnel is used as a coating device. As the coating liquid applied to the roll paper 34, a coating liquid having a hard coat property, a coating liquid having antireflection property after drying, a coating liquid containing a liquid crystal mixture, or the like can be used. The roll paper 34 coated with the coating liquid is conveyed to the drying device 62. The web 34 after the drying is completed is wound by the winding device 64. A hot air drying device is used as a drying device 62 'wire limited' but which can divide a plurality of dry zones of the thief. Different drying conditions can be set for each of the plurality of drying zones. In addition to the drying method by hot air, a drying method by infrared rays can also be applied. M m paper-engaging device 1G to perform the roll of the old reel work ^ New reel 3G slab paper 54 (four) _. Then, the new volume is applied/placed = the position of the barrel 26. The new reel 30 becomes the old reel 26, and the straw is coated with a coating liquid by the coating device 60 on the surface of the web 34 fed from the old _26 19 201114673, f ytJii. The roll paper 34 coated with the coating liquid is transferred to the drying agent 62. The web 34 after the end of drying is wound by the winding device 64. Thus, a functional film is continuously produced. The winding device 64 is provided with a turret mechanism to continuously wind the web. [Examples] Hereinafter, the present invention will be described in more detail by exemplifying specific examples of the invention. [Example 1] A surface of a roll paper 34 of an old reel 26 fed at 30 m/min was coated with a hard coat coating liquid of 15 cc/m 2 by a bar coater, and dried at 80 ° C. After 3 minutes, the winding device 64 is used to wind up the web 34 after drying. Then, the butt joint of the web is performed using the web joining device 1 所示 shown in Fig. 1 . The upper blade drum 42 has a diameter of 351.9 mm. The lower blade drum 44 has a diameter of 351.9 mm, and the first engaging drum 46 has a diameter of 352.5 mm. The step of the surface of the upper blade drum 42 is 5 mm. For the web ‘a triacetyl cellulose (TAC) having a width of 1490 mm and a thickness of 80 μm was used. The joint between the rear end of the roll of the old reel and the end of the newly wound roll paper and the roll of the cut old roll were visually observed by an observer. Figure 15 shows the results of the observation. As shown in Fig. 15, in the range of 1 mm from the rear end of the roll paper 34A, within the range of 4000 mm from the leading end of the roll paper 54A, from the front end of the roll paper 34B, 1 〇〇 0 Within the range of mm, almost no scratches were observed. The new reel 30 is then moved to the position of the old reel 26. The new reel 20 201114673 W > ^ ^ ΛΧ 3〇 becomes the old reel 26, and the surface of the web 34 fed from the old reel 26 is coated with a hard coat by 15 cc/m2 by means of a bar coater. The coating liquid was dried at 80 C for 3 minutes', and the winding paper 34 was wound by the winding device 64. [Comparative Example 1]

The butt joint of the web is performed using the web joining device shown in Japanese Laid-Open Patent Publication No. 2007-62952. The same roll paper as in Example 1 was used and set to the same conveyance speed.

Figure 16 shows the observation results. As shown in Fig. 16, in the range of 400 to 600 mm from the rear end of the roll paper 34A, a scratch of 1 mm in length and a pitch of 5 mm is generated throughout the entire visibility of the roll paper 34A. 1. On the other hand, on the roll paper 54A, a scratch 1〇2 having a length of 80 mm and a pitch of 8 mm was produced in a range of 5 〇〇 to 6 〇〇 mm from the front end. A scratch 103 having a length of 5 mm and a pitch of 15 faces is produced in the range of 1100 to ML from the front end. In the range of 1400 to 4000 mm from the front end, a length of 500 faces or more and a pitch of 1 〇匪 _ 1 〇 4 are generated. Further, a scratch 1 〇 5 having a length of 1000 mm and a pitch of 3 mm was produced in a range from the front end of the web 34B. In the comparative example ι, it was more difficult, so the dust from the web would have almost no scratches in the example 1, so it can be understood that the Ϊ paper 34Α, 34Β, 54Α was not wiped by the clock member. Wipe to the web 54Α. In the example, the dust caused by the friction of the drum paper, the gray paper caused by the old web and the new reel=Mo*, the batch will not rub the 4 wealth g

S 21 201114673 Although the present invention has been disclosed in the above preferred embodiments, the present invention is defined, and any person skilled in the art, in the scope and scope, may make some changes and retouching, so the scope of the present invention is attached. The scope defined in the scope of application for patent application shall prevail. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a configuration diagram of a web paper joining device of the present invention. Fig. 2 is a configuration diagram of a cutting and joining unit of a roll paper. Fig. 3 is an explanatory view of the operation of cutting the single handle of the roll paper.

Fig. 4 is an operation of the cutting and joining unit of the roll paper. Fig. 5 is a second explanatory view of the cutting and joining unit shaft of the roll paper. Fig. 6 is a view showing the cutting engagement unit of the roll paper. Fig. 7 is a view showing the cutting engagement unit shaft of the roll paper. Fig. 8 is a view showing the cutting engagement of the roll paper. Fig. 9 is a cutting engagement of the roll paper. Single 4 action description diagram. It is the operation diagram of the web (4) broken joint single (10). Fig. 11 is an explanatory view of the operation of the splicing unit of the roll paper.

=12 is an operation explanatory diagram of the cutting and joining unit of the roll paper. Fig. 13 is a view showing a cutting and joining unit of a roll paper. Fig. 13 is a view showing a configuration of a functional film. Fig. 15 is a view showing a configuration of a roll of the present invention. A diagram of the surface state of the paper. m and heart Figure I6 is a diagram of the surface state of the money received before the table. And the volume of the interface is the same. [Main component symbol description] 22 201114673 ίο : Web paper joining device 12 : turret device 14 : Cutting and engaging unit 16 : conveying device 18 : lifting device 20 : turret arm 22 : struts 24 , 28, 32: Shaft • 26: Old reel 30: New reel 34, 34A, 34B, 54, 54A, 54B: Web 36, 52, 56: Guide roller 38: Cylinder 40: Arm 42: Upper blade Drum 44: lower blade drum φ 46: first engagement drum 48: second engagement drums 42A, 44A, 46A, 48A: rotary shafts 42B, 44B, 46B, 48B: outer peripheral members 42C, 44C, 48C: cutting blade 42D: Elastic member 42E: step portion 44D, 46C: vent hole 23 201114673 X/ t ^ ^ Λ Λ 50: frame 66: chain 68: holding member 70, 71: sprocket 80, 82: joint tape 100, 101, 102 , 103, 104, 105: scratches

twenty four

Claims (1)

201114673 VII. Patent application scope: a kind of web-joining device, a rotating frame mechanism, rotatably included. The second reel wound with the first-rolling paper can be re-wound with two reels; The first process of concealing and winding the second web:::: to: the above-mentioned first web and the above (four) The portion of the first roll paper of the second web, and the cutting and joining mechanism includes: the drum is disposed on the upper side with respect to the transport path of the first and second webs Cutting the blade; lowering: the two-piece drum is disposed on the lower side with respect to the transport path of the first and second webs and has a cutting blade; and the cymbal is placed on the yoke, maintaining the joint belt and opposing The transport path of the roll paper = 2 : ί = = bring the above-mentioned first-roll paper and the upper part is 'extracted and not joined to the second crepe paper, and the remaining one is equipped with the above-mentioned upper blade drum, the lower blade drum The engagement drum is driven in synchronization with the conveyance speed of the first and second webs, and the upper blade drum and the lower blade drum are configured to lose the rear end portion of the first web and the The front end portion of the second web is simultaneously cut to form a joint portion, and the nip pressure between the first web and the second web is weakened after the cutting, and the lower blade drum and the engaging drum are configured as On the one hand, pressure loss cuts 25 201114673 The second - an end portion of the rear end portion of the web and the second web, on the one hand to the bonding tape is attached to the joint. The above-mentioned drawing mechanism is a lifting mechanism which is disposed between the above-mentioned moving frame mechanism and the upper blade drum to make the remaining unjoined The portion of the previous web is lifted and lowered to change the transport path of the first web that is not joined to the second roll. 3. The web joining device according to claim 2, wherein the eight extracting means is a motor, and the motor reverses the first reel to extract the direction opposite to the conveying direction. The first web of paper joined to the second web described above. A method of joining webs, comprising the steps of: - rewinding a first reel wound with a first web and a second reel wound with a second web Disposed on the rotatable turret mechanism; rewinding the first web; the upper blade drum disposed on the upper side with the cutting blade and the conveying path with respect to the web, and the cutting blade And a lower blade drum disposed on the lower side with respect to the conveyance path of the roll paper, and pinching the rear end portion of the first roll paper and the front end portion of the second roll paper, and simultaneously cutting off Forming a joint portion; after forming the joint portion, weakening the pinching of the first web and the second web after the upper blade drum and the lower blade pair are cut 26 201114673 jo\j /yyii force extraction a portion that is not joined to the second web and the paper; and the above-mentioned holding tape is held by the bonding drum disposed on the upper side with respect to the upper conveying path f and the lower blade The above-mentioned rear end portion of the first web End '- with regard to bonded joint portion is attached to the web 5. The joining method according to item 4 of the patent application range, which is The step of drawing the first roll paper includes the step of changing the transport path of the first roll paper that is not joined to the second roll paper. 6. The method of joining webs according to claim 4, wherein the step of extracting the first web comprises: drawing the second web that is not joined to the second web in a direction opposite to the conveying direction. The above steps of the first web. 7. A method of producing a functional film, comprising the steps of: rewinding a web, applying a coating liquid onto the first web, and drying the coating liquid; The joining method according to any one of claims 4 to 6, wherein the first web and the second web are joined; and the second web is rewinded to the second reel A coating liquid is applied to the paper, and the coating liquid is dried. S 27