TWI769579B - Reinforced film tape supply device - Google Patents

Reinforced film tape supply device Download PDF

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Publication number
TWI769579B
TWI769579B TW109139417A TW109139417A TWI769579B TW I769579 B TWI769579 B TW I769579B TW 109139417 A TW109139417 A TW 109139417A TW 109139417 A TW109139417 A TW 109139417A TW I769579 B TWI769579 B TW I769579B
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Taiwan
Prior art keywords
tape
reinforcing film
mounting
belt
guide
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TW109139417A
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Chinese (zh)
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TW202203801A (en
Inventor
田村真暉
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日商Ｙｋｋ股份有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/021—Multiple web roll supports
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/28—Registering, tensioning, smoothing or guiding webs longitudinally by longitudinally-extending strips, tubes, plates, or wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/113—Size
    • B65H2701/1133—Size of webs
    • B65H2701/11332—Size of webs strip, tape, narrow web

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  • Replacement Of Web Rolls (AREA)
  • Moulding By Coating Moulds (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

本發明提供一種能夠減輕作業員的負擔並且實現成本降低的加強膜帶供給裝置。本發明涉及加強膜帶供給裝置，其用於供給黏接於拉鏈鏈條的夾著間隔部的區域的加強膜。加強膜帶供給裝置包括：帶輥保持部，其能夠保持帶輥，該帶輥是作為所述加強膜的加強膜帶的供給源；以及帶導向部，其能夠裝卸自由地安裝於所述帶輥保持部的安裝部。所述帶導向部將從所述帶輥保持部所保持的所述帶輥繞出的加強膜帶朝向所述加強膜相對於所述拉鏈鏈條的黏接位置引導。The present invention provides a reinforcing film tape supply device capable of reducing the burden on the operator and realizing cost reduction. The present invention relates to a reinforcing film tape supply device for supplying a reinforcing film adhered to a region of a fastener chain sandwiching a partition. The reinforcing film tape supply device includes: a tape roll holding portion capable of holding a tape roll that is a supply source of the reinforcing film tape serving as the reinforcing film; and a tape guide portion detachably attached to the tape Mounting part of the roller holding part. The tape guide portion guides the reinforcing film tape unwound from the tape roll held by the tape roll holding portion toward the bonding position of the reinforcing film with respect to the fastener chain.

Description

加強膜帶供給裝置Reinforced film tape feeder

本發明涉及一種加強膜帶供給裝置，特別涉及用於在拉鏈的製造過程中將加強膜黏接於拉鏈鏈條的夾著間隔部的區域時供給作為加強膜的加強膜帶的加強膜帶供給裝置。The present invention relates to a reinforcement film tape supply device, in particular, to a reinforcement film tape supply device for supplying a reinforcement film tape as a reinforcement film when the reinforcement film is adhered to a region sandwiching a partition portion of a fastener chain in a manufacturing process of a slide fastener .

參照圖1～圖4，例如在基於連續的拉鏈鏈條10連續地製造具有合成樹脂製嚙合元件（鏈牙）列的拉鏈1的情況下，在左右一對長條狀的拉鏈帶11的各相對緣部射出成形出合成樹脂製的鏈牙列12而形成拉鏈鏈條10，接著，在拉鏈鏈條10的長度方向上每隔規定間隔地局部去除鏈牙列12來形成間隔部13。然後，在加強膜黏接設備中，將加強膜14b黏接於拉鏈鏈條10的表背兩面中的夾著間隔部13的一部分的區域。接著，對加強膜14b進行穿孔而得到穿孔部15（圖4中切斷後示出），進而射出成形出打開件16和/或上止部17，並安裝拉頭18。然後，拉鏈鏈條10從加強膜14b中途被切斷，來量產拉鏈1。加強膜14b起到如下效果：在打開件16射出成形時能夠提高熔融樹脂的附著力，並且加強作為最終製品的拉鏈1的長度方向兩端部。Referring to FIGS. 1 to 4 , for example, when a slide fastener 1 having a row of synthetic resin engaging elements (elements) is continuously manufactured based on the continuous fastener chain 10 , the opposite sides of the pair of left and right long fastener tapes 11 are opposite each other. The edge part injection-molded the element row 12 made of synthetic resin to form the fastener chain 10 , and then partially removed the element row 12 at predetermined intervals in the longitudinal direction of the fastener chain 10 to form the partitions 13 . Then, in the reinforcement film bonding apparatus, the reinforcement film 14b is bonded to the area|region which pinches a part of the spacer part 13 among the front-back both surfaces of the fastener chain 10. Next, the reinforcement film 14b is perforated to obtain the perforated part 15 (shown after cutting in FIG. 4 ), the opening member 16 and/or the upper stop part 17 are injection-molded, and the slider 18 is attached. And the fastener chain 10 is cut|disconnected in the middle from the reinforcement film 14b, and the slide fastener 1 is mass-produced. The reinforcement film 14b has the effect of improving the adhesion of molten resin at the time of injection molding of the opening tool 16, and strengthening the longitudinal direction both ends of the slide fastener 1 which is a final product.

上述的加強膜黏接設備中的加強膜相對於拉鏈鏈條的黏接是一邊從加強膜帶供給單元供給作為加強膜的加強膜帶一邊進行的。國際公開第2015019453號（專利文獻1）公開了加強膜帶供給單元的一例。如專利文獻1的圖5等所示，該加強膜帶供給單元由帶輥保持部和導向部一體構成，該帶輥保持部能夠在上下保持兩根事先將加強膜帶捲繞成輥狀而得到的帶輥，該導向部從帶輥保持部的上下中間部水平地延伸，能夠將從各帶輥繞出的加強膜帶朝向加強膜的黏接位置引導。該加強膜帶供給單元被安裝於加強膜黏接設備的規定部位來使用。The bonding of the reinforcing film to the fastener chain in the above-mentioned reinforcing film bonding apparatus is performed while supplying the reinforcing film tape as the reinforcing film from the reinforcing film tape supply unit. International Publication No. 2015019453 (Patent Document 1) discloses an example of a reinforcing film tape supply unit. As shown in FIG. 5 and the like of Patent Document 1, the reinforcing film tape supply unit is integrally constituted by a tape roll holding portion and a guide portion which can hold two pieces of reinforcing film tapes previously wound in a roll shape at the top and bottom. In the obtained belt roll, the guide portion extends horizontally from the upper and lower middle portions of the belt roll holding portion, and can guide the reinforcement film tape unwound from each belt roll toward the bonding position of the reinforcement film. This reinforcement film tape supply unit is used by being attached to a predetermined part of the reinforcement film bonding equipment.

專利文獻1的加強膜供給裝置的使用方式如下：準備由帶輥保持部保持兩根帶輥的多個加強膜供給裝置，如果在加強膜黏接設備中正在使用的加強膜供給裝置的加強膜帶用盡，則更換為新的加強膜供給裝置。The usage of the reinforcing film supplying device of Patent Document 1 is as follows: a plurality of reinforcing film supplying devices holding two tape rolls are prepared by the tape roll holding portion, and if the reinforcing film supplying device of the reinforcing film supplying device is used in the reinforcing film bonding equipment When the belt is exhausted, replace it with a new reinforcement film supply device.

但是，上述加強膜供給單元中，由於帶輥保持部和導向部是一體的，所以即使在帶輥保持部未保持兩根帶輥的狀態下重量也較重，在帶輥保持部保持兩根帶輥的狀態下會更重，因此作業員的負擔較大。例如，在將加強膜供給單元精確且可靠地安裝於加強膜黏接設備的規定部位或者更換加強膜供給單元時作業員的負擔較大。另外，上述加強膜供給單元因導向部的尺寸較大等而使1個單元的成本增加，並且由於事先準備多個如上述那樣保持兩根帶輥的加強膜供給單元，所以這也導致成本上升。 現有技術文獻 專利文獻However, in the reinforcing film supply unit described above, since the belt roll holding part and the guide part are integrated, the weight is heavy even when the belt roll holding part does not hold the two belt rolls, and the belt roll holding part holds two belt rolls. It will be heavier in the state with rollers, so the burden on the operator is large. For example, when the reinforcement film supply unit is accurately and reliably installed in a predetermined position of the reinforcement film bonding apparatus, or when the reinforcement film supply unit is replaced, the burden on the operator is large. In addition, the above-mentioned reinforcement film supply unit increases the cost of one unit due to the large size of the guide portion, etc., and because a plurality of reinforcement film supply units that hold the two belt rollers as described above are prepared in advance, this also leads to an increase in cost. . prior art literature Patent Literature

專利文獻1：國際公開第2015019453號Patent Document 1: International Publication No. 2015019453

本發明是鑒於上述問題而完成的，提供一種能夠減輕作業員的負擔並且實現成本降低的加強膜帶供給裝置。The present invention has been made in view of the above-mentioned problems, and provides a reinforcement film tape supply device that can reduce the burden on the operator and achieve cost reduction.

為了解決上述問題，根據本發明，提供一種加強膜帶供給裝置，其用於供給黏接於拉鏈鏈條的夾著間隔部的區域的加強膜，所述加強膜帶供給裝置包括：帶輥保持部，其能夠保持帶輥，該帶輥是作為所述加強膜的加強膜帶的供給源；以及帶導向部，其能夠裝卸自由地安裝於所述帶輥保持部的安裝部，所述帶導向部將從所述帶輥保持部所保持的所述帶輥繞出的加強膜帶朝向所述加強膜相對於所述拉鏈鏈條的黏接位置引導。在本發明的一實施方式中，所述帶輥保持部包括能夠保持用於分別向所述拉鏈鏈條的表背供給加強膜的兩個帶輥的兩個帶輥保持部。In order to solve the above-mentioned problems, according to the present invention, there is provided a reinforcing film tape supply device for supplying a reinforcing film bonded to a region of a fastener chain sandwiching a spacer, the reinforcing film tape supply device including a tape roller holding portion , which can hold a belt roll, which is a supply source of the reinforcing film tape serving as the reinforcing film; The portion guides the reinforcing film tape unwound from the tape roll held by the tape roll holding portion toward the bonding position of the reinforcing film with respect to the fastener chain. In one Embodiment of this invention, the said tape roll holding|maintenance part includes the two tape roll holding|maintenance part which can hold|maintain the two tape rolls for supplying a reinforcement film to the front and back of the said fastener chain, respectively.

在本發明中，能夠使帶輥保持部和帶導向部分離，將帶導向部裝卸自由地安裝於帶輥保持部的安裝部。由此，作業員能夠分別對帶輥保持部和帶導向部進行處理，因此能夠減輕作業員的負擔。例如，能夠將帶輥保持部固定於加強膜黏接設備，將帶導向部相對於帶輥保持部的安裝部進行裝卸。在該情況下，由於僅對與帶輥保持部分離而重量較輕的帶導向部進行裝卸，所以與對現有的帶輥保持部和導向部為一體且在帶輥保持部保持兩個帶輥的加強膜供給單元進行處理的情況相比能夠減少作業員的負擔。另外，在導向部不需要與帶輥保持部的連結部分等，從而能夠減小導向部的尺寸，能夠相應地削減成本。而且，通過使多個帶輥保持部共有1個帶導向部等，能夠進一步實現成本降低。In the present invention, the tape roller holding portion and the tape guide portion can be separated from each other, and the tape guide portion can be detachably attached to the mounting portion of the tape roller holding portion. Thereby, since the operator can handle the tape roller holding portion and the tape guide portion separately, the burden on the operator can be reduced. For example, the tape roll holding portion can be fixed to the reinforcement film bonding equipment, and the tape guide portion can be attached to and detached from the attachment portion of the tape roll holding portion. In this case, since only the belt guide part which is separated from the belt roller holding part and has a light weight is attached and detached, the belt roller holding part and the guide part are integrated with the existing belt roller holding part and the two belt rollers are held in the belt roller holding part. Compared with the case where the reinforcement film supply unit performs processing, the burden on the operator can be reduced. In addition, the guide portion does not require a connection portion with the belt roller holding portion, etc., so that the size of the guide portion can be reduced, and the cost can be reduced accordingly. Furthermore, cost reduction can be further achieved by sharing one tape guide portion among the plurality of tape roller holding portions.

作為加強膜帶，能夠使用採用尼龍類或聚酯類等熔點較低的合成樹脂形成的加強膜帶，但是不限定於此。As the reinforcing film tape, a reinforcing film tape formed of a synthetic resin having a relatively low melting point such as nylon or polyester can be used, but is not limited to this.

在本發明的一實施方式中，所述帶導向部和所述安裝部中的至少一方包括定位機構，該定位機構用於將所述帶導向部定位於所述安裝部中的安裝位置。在本實施方式中，通過設置於帶輥保持部的安裝部和帶導向部中的至少一方的定位機構，能夠容易地將帶導向部定位於安裝部中的安裝位置。作為定位機構的例子，能夠列舉可彼此卡合的卡合部及被卡合部、或者可彼此磁性地吸引的磁鐵及鐵磁性體等金屬等，但是不限定於此。作為被卡合部的例子，能夠列舉凹部、切缺部、孔等，作為卡合部的例子，能夠列舉可與凹部、切缺部、孔等嵌合的凸部、突起、銷、延設部等，但是不限定於此。In one embodiment of the present invention, at least one of the tape guide portion and the attachment portion includes a positioning mechanism for positioning the tape guide portion at an attachment position in the attachment portion. In the present embodiment, the tape guide portion can be easily positioned at the attachment position in the attachment portion by the positioning mechanism provided in at least one of the attachment portion of the tape roller holding portion and the tape guide portion. Examples of the positioning mechanism include, but are not limited to, an engaging portion and a to-be-engaged portion that can engage with each other, a magnet and a metal such as a ferromagnetic body that can be magnetically attracted to each other. Examples of the engaged portion include a concave portion, a cutout portion, a hole, and the like. part, etc., but not limited to this.

在本實施方式中，所述帶導向部及所述安裝部分別具有在所述帶導向部被定位於所述安裝位置的狀態下彼此接觸的安裝位置決定面。在本實施方式中，帶導向部的被卡合部或卡合部剛一與帶輥保持部的安裝部的卡合部或被卡合部卡合，帶導向部的安裝位置決定面就與安裝部的安裝位置決定面彼此接觸，因此能夠容易且精確地將帶導向部配置在安裝部中的安裝位置。In the present embodiment, the tape guide portion and the mounting portion each have mounting position determination surfaces that are in contact with each other in a state where the tape guide portion is positioned at the mounting position. In this embodiment, as soon as the engaged portion or the engaging portion of the tape guide portion is engaged with the engaging portion or the engaged portion of the mounting portion of the tape roller holding portion, the mounting position determination surface of the tape guide portion is directly related to the mounting position of the tape guide portion. The installation position determination surfaces of the parts are in contact with each other, so that the belt guide can be easily and accurately arranged at the installation position in the installation part.

在本發明的一實施方式中，所述帶導向部及所述安裝部包括位置固定機構，該位置固定機構用於將被定位於所述安裝位置處的帶導向部固定於所述安裝部。在本實施方式中，能夠通過位置固定機構將配置於帶輥保持部的安裝部的安裝位置處的帶導向部固定。作為位置固定機構的例子，能夠使用螺栓、快動杆（quick lever）、夾具等，但是不限定於此。In one embodiment of the present invention, the tape guide portion and the attachment portion include a position fixing mechanism for fixing the tape guide portion positioned at the attachment position to the attachment portion. In the present embodiment, the tape guide portion arranged at the attachment position of the attachment portion of the tape roller holding portion can be fixed by the position fixing mechanism. As an example of the position fixing mechanism, a bolt, a quick lever, a jig, or the like can be used, but it is not limited thereto.

在本發明的一實施方式中，所述定位機構包括設置於所述安裝部或所述帶導向部的磁鐵。 發明效果In one embodiment of the present invention, the positioning mechanism includes a magnet provided on the mounting portion or the belt guide portion. Invention effect

在本發明中，由於帶輥保持部和帶導向部分離，所以作業員能夠分別對帶輥保持部和帶導向部進行處理。因此，能夠減輕作業員的負擔。另外，在導向部不需要與帶輥保持部的連結部分等，從而能夠減小導向部的尺寸，能夠相應地削減成本。而且，通過使多個帶輥保持部共有1個帶導向部等，能夠進一步實現成本降低。In the present invention, since the belt roller holding portion and the belt guide portion are separated from each other, the operator can handle the belt roller holding portion and the belt guide portion separately. Therefore, the burden on the operator can be reduced. In addition, the guide portion does not require a connection portion with the belt roller holding portion, etc., so that the size of the guide portion can be reduced, and the cost can be reduced accordingly. Furthermore, cost reduction can be further achieved by sharing one tape guide portion among the plurality of tape roller holding portions.

以下，基於附圖，對本發明的實施方式進行說明，但是本發明不限定於這樣的實施方式。圖1是將連續的拉鏈鏈條10在長度方向上截取示出的俯視圖。拉鏈鏈條10包括左右一對拉鏈帶11和在各拉鏈帶11的相對緣部射出成形出的合成樹脂製的鏈牙列12。鏈牙列12例如採用聚縮醛、聚醯胺（尼龍）、聚丙烯、聚對苯二甲酸丁二醇酯、聚對苯二甲酸乙二醇酯、或者它們的組合構成，但是不限定於此。拉鏈鏈條10一邊在未圖示的輸送路徑中被向下游（圖1～圖3的紙面中的下方）輸送一邊被實施各種加工，最終得到圖4所示的拉鏈1。圖2是表示在拉鏈鏈條10的長度方向上每隔規定間隔地去除鏈牙列12而形成間隔部13的狀態的與圖1同樣的俯視圖。圖3是表示在拉鏈鏈條10的夾著間隔部13的矩形區域黏接有加強膜14b的狀態的與圖1同樣的俯視圖。圖4是完成後的拉鏈1的俯視圖。通過後述的加強膜黏接設備100，加強膜14b被黏接於拉鏈鏈條10的表背兩個面中夾著間隔部13的輸送方向上游側（圖3的紙面中的上方）大致一半部分的矩形區域。在將加強膜14b黏接於拉鏈鏈條10之後，加強膜14b的一部分被打穿而成為穿孔部15（在圖4中在拉鏈1的長度方向上下端分離地示出），在穿孔部15射出成形出打開件16。加強膜14b起到如下效果：在打開件16射出成形時能夠提高熔融樹脂的附著力，並且加強作為最終製品的拉鏈1的長度方向的兩端部。進一步，在拉鏈鏈條10射出成形出上止部17、或者將拉頭18穿到鏈牙列12上等之後，在加強膜14b的中途將連續的拉鏈鏈條10切斷，製造出圖4所示的拉鏈1。Hereinafter, an embodiment of the present invention will be described based on the drawings, but the present invention is not limited to such an embodiment. FIG. 1 : is the top view which cut out the continuous fastener chain 10 in the longitudinal direction, and showed it. The fastener chain 10 includes a pair of left and right fastener tapes 11 , and synthetic resin element rows 12 that are injection-molded on opposing edges of the fastener tapes 11 . The element row 12 is constituted by, for example, polyacetal, polyamide (nylon), polypropylene, polybutylene terephthalate, polyethylene terephthalate, or a combination thereof, but is not limited to this. The fastener chain 10 is subjected to various processes while being conveyed downstream (downward in the paper surface of FIGS. 1 to 3 ) in a conveyance path not shown, and finally the slide fastener 1 shown in FIG. 4 is obtained. FIG. 2 : is the same plan view as FIG. 1 which shows the state which removed the element row 12 every predetermined space|interval in the longitudinal direction of the fastener chain 10, and formed the spacer part 13. FIG. FIG. 3 is a plan view similar to FIG. 1 , showing a state in which the reinforcing film 14 b is adhered to the rectangular region of the fastener chain 10 sandwiching the partition 13 . FIG. 4 is a plan view of the completed slide fastener 1 . The reinforcing film 14b is adhered to approximately half of the upstream side in the conveyance direction (the upper part in the drawing of FIG. 3 ) of the front and back surfaces of the fastener chain 10 with the spacer 13 sandwiched therebetween by the reinforcing film bonding apparatus 100 described later. rectangular area. After the reinforcing film 14b is adhered to the fastener chain 10, a part of the reinforcing film 14b is pierced to form a perforated portion 15 (in FIG. 4, the upper and lower ends in the longitudinal direction of the slide fastener 1 are shown separated from each other), and injected through the perforated portion 15 The opening piece 16 is formed. The reinforcing film 14b has the effect of enhancing the adhesion of the molten resin at the time of injection molding of the opening tool 16, and strengthening both ends in the longitudinal direction of the slide fastener 1 as a final product. Furthermore, after the fastener chain 10 is injection-molded with the top stop 17 or the slider 18 is inserted into the element row 12, the continuous fastener chain 10 is cut in the middle of the reinforcing film 14b, and the fastener chain 10 shown in FIG. 4 is produced. zipper 1.

圖5是概略地表示本發明的一實施方式涉及的加強膜帶供給裝置20的側視圖。加強膜帶供給裝置20是加強膜黏接設備100所具有的單元。以下，將除了加強膜帶供給裝置20以外的加強膜黏接設備100稱為“設備部101”。方便起見，在圖5（及圖9）中用矩形框101表示設備部101。設備部101包括圖5中示出頂端部的夾鉗110。以下，關於包括加強膜帶供給裝置20的加強膜黏接設備100的上下方向，設為基於圖5、圖9及圖13的紙面而言的上下方向。參照圖5，加強膜帶供給裝置20包括帶輥保持部30、以及裝卸自由地安裝於帶輥保持部30的帶導向部40。帶輥保持部30包括：保持杆31，其能夠在上下保持兩個事先將加強膜帶14a捲繞成輥狀而得到的帶輥14；以及固定杆32，其用於使保持杆31相對於設備部101固定在規定的位置。各帶輥14是黏接於拉鏈鏈條10的加強膜14b的供給源。保持杆31在上下端部具有軸部31a，帶輥14的中心部與各軸部31a嵌合。由此，帶輥14以能夠旋轉的方式被保持杆31保持。加強膜帶14a的繞出端被夾鉗110向拉鏈鏈條10上的加強膜14b的黏接位置S（參照圖13）拉拽，由此各帶輥14能夠一邊沿圖5的箭頭方向旋轉一邊使加強膜帶14a繞出。固定杆32的一端部與保持杆31的上下方向中間部連結。固定杆32的另一端部與設備部101的未圖示的框架連結。FIG. 5 is a side view schematically showing a reinforcement film tape supply device 20 according to an embodiment of the present invention. The reinforcing film tape supply device 20 is a unit included in the reinforcing film bonding apparatus 100 . Hereinafter, the reinforcement film bonding apparatus 100 other than the reinforcement film tape supply apparatus 20 is called "equipment part 101". For convenience, the device portion 101 is represented by a rectangular frame 101 in FIG. 5 (and FIG. 9 ). The device portion 101 includes a clamp 110 of which the tip portion is shown in FIG. 5 . Hereinafter, regarding the up-down direction of the reinforcement-film bonding apparatus 100 including the reinforcement-film tape supply apparatus 20, let it be the up-down direction based on the paper surface of FIG.5, FIG.9, and FIG.13. 5 , the reinforcement film tape supply device 20 includes a tape roll holding portion 30 and a tape guide portion 40 detachably attached to the tape roll holding portion 30 . The tape roll holding part 30 includes: a holding rod 31 capable of holding two tape rolls 14 obtained by winding the reinforcing film tape 14a in a roll shape in advance; and a fixing rod 32 for holding the holding rod 31 relative to The device portion 101 is fixed at a predetermined position. Each tape roll 14 is a supply source of the reinforcement film 14b adhered to the fastener chain 10. The holding rod 31 has shaft portions 31a at the upper and lower ends, and the center portion of the belt roller 14 is fitted to each shaft portion 31a. Thereby, the belt roller 14 is rotatably held by the holding rod 31 . The unwinding end of the reinforcing film tape 14a is pulled by the clamp 110 to the bonding position S (see FIG. 13 ) of the reinforcing film 14b on the fastener chain 10 , whereby each tape roller 14 can rotate in the direction of the arrow in FIG. 5 . The reinforcing film tape 14a is unwound. One end portion of the fixing rod 32 is connected to the vertical middle portion of the holding rod 31 . The other end portion of the fixing rod 32 is connected to a frame (not shown) of the device portion 101 .

帶導向部40裝卸自由地安裝於安裝部33，該安裝部33在本實施方式中設置於帶輥保持部30的固定杆32（參照圖9）。安裝部33配置在固定杆32中的靠近夾鉗110的黏接位置S的一側。圖5是帶導向部40已被安裝於安裝部33的狀態。與此相對，圖9是帶導向部40被安裝於安裝部33之前的狀態。The tape guide portion 40 is detachably attached to the attachment portion 33 provided on the fixing rod 32 (see FIG. 9 ) of the tape roller holding portion 30 in the present embodiment. The attachment portion 33 is arranged on the side of the fixing rod 32 close to the bonding position S of the clamp 110 . FIG. 5 is a state in which the tape guide portion 40 has been attached to the attachment portion 33 . On the other hand, FIG. 9 shows a state before the tape guide portion 40 is attached to the attachment portion 33 .

圖6是帶導向部40的立體圖。圖7是帶導向部40的俯視圖。圖8是沿著圖7的C－C線的帶導向部40的截面圖。帶導向部40包括長方形板狀的導向主體41、以及與導向主體41的長度方向一端部連結的導向頭42。分別從帶輥保持部30的上下的帶輥14繞出的加強膜帶14a沿著導向主體41的表背面被向由圖6的箭頭B所示的供給側（朝向黏接位置S的一側）輸送。以下，關於帶導向部40，將供給側B設為供給方向中的“前方”，與供給側B相反的一側設為供給方向中的“後方”。在導向主體41的表背面分別設置有帶接收部43及帶排出部44。帶接收部43及帶排出部44以相同的方式設置於導向主體41的表背面，因此關於表背中一方的帶接收部43及帶排出部44的說明及附圖標記也適用於表背中另一方的帶接收部43及帶排出部44。FIG. 6 is a perspective view of the belt guide 40 . FIG. 7 is a plan view of the belt guide 40 . FIG. 8 is a cross-sectional view of the tape guide 40 taken along line CC of FIG. 7 . The belt guide portion 40 includes a rectangular plate-shaped guide body 41 and a guide head 42 connected to one end portion of the guide body 41 in the longitudinal direction. The reinforcing film tapes 14a respectively unwound from the upper and lower tape rollers 14 of the tape roller holding portion 30 are directed to the supply side (the side toward the bonding position S) indicated by the arrow B in FIG. 6 along the front and back of the guide body 41 . )delivery. Hereinafter, regarding the tape guide portion 40, the supply side B is referred to as the "front" in the supply direction, and the side opposite to the supply side B is referred to as the "rear" in the supply direction. A tape receiving portion 43 and a tape discharging portion 44 are respectively provided on the front and back surfaces of the guide body 41 . The tape receiving portion 43 and the tape discharging portion 44 are provided on the front and back of the guide body 41 in the same manner, so the description and reference numerals concerning the tape receiving portion 43 and the tape discharging portion 44 on one of the front and back are also applicable to the other on the front and back. The tape receiving portion 43 and the tape discharging portion 44 are provided.

帶接收部43配置在與導向主體41的長度方向中間相比靠供給方向後方的位置。帶接收部43具有與導向主體41的寬度方向（與長度方向及厚度方向垂直的方向）的長度相同的長度，通過銷或螺釘等固定於導向主體41。帶接收部43規定帶入口43a，該帶入口43a用於使加強膜帶14a穿過，是帶接收部43與導向主體41的表背面之間的間隙。從帶輥14繞出的加強膜帶14a從供給方向後方被帶入口43a接收，朝向供給側B穿過帶入口43a。The tape receiver 43 is arranged at a position rearward in the supply direction with respect to the middle of the guide body 41 in the longitudinal direction. The tape receiver 43 has the same length as the width direction (direction perpendicular to the longitudinal direction and the thickness direction) of the guide body 41 , and is fixed to the guide body 41 with pins, screws, or the like. The tape receiving portion 43 defines a tape inlet 43 a through which the reinforcing film tape 14 a is passed, and is a gap between the tape receiving portion 43 and the front and back surfaces of the guide body 41 . The reinforcing film tape 14a unwound from the tape roll 14 is received by the tape inlet 43a from the rear in the supply direction, and passes through the tape inlet 43a toward the supply side B. As shown in FIG.

帶排出部44配置於導向主體41的供給方向前端部。除了相對於導向主體41所處的位置以外，帶排出部44為與帶接收部43相同的結構，具有與導向主體41的寬度方向長度相同的長度，由銷或螺釘等固定於導向主體41。帶排出部44規定帶出口44a，該帶出口44a用於使加強膜帶14a穿過，是帶排出部44與導向主體41的表背面之間的間隙。穿過帶接收部43的帶入口43a的加強膜帶14a沿著導向主體41的表背面被向供給側B輸送，並穿過帶排出部44的帶出口44a。此外，也可以在導向主體41的表背面中的帶入口43a與帶出口44a之間設置較淺的槽狀的帶引導路徑。The tape discharge portion 44 is arranged at the front end portion of the guide body 41 in the feeding direction. The tape discharge portion 44 has the same structure as the tape receiving portion 43 except for its position relative to the guide body 41 , has the same length as the widthwise length of the guide body 41 , and is fixed to the guide body 41 by pins or screws. The tape discharge portion 44 defines a tape outlet 44 a for passing the reinforcing film tape 14 a , and is a gap between the tape discharge portion 44 and the front and back surfaces of the guide body 41 . The reinforcing film tape 14 a passing through the tape inlet 43 a of the tape receiving portion 43 is conveyed toward the supply side B along the front and rear surfaces of the guide body 41 , and passes through the tape outlet 44 a of the tape discharge portion 44 . In addition, a shallow groove-shaped tape guide path may be provided between the tape inlet 43a and the tape outlet 44a on the front and back surfaces of the guide body 41 .

導向頭42包括與導向主體41的表背的帶出口44a對應的上下兩個縫隙42a。各縫隙42a在導向頭42的一側部開口。從導向主體41的表背的帶排出部44的帶出口44a穿過的加強膜帶14a接下來從導向頭42的各縫隙42a穿過。雖然詳細情況將在後面說明，但是在上下兩條加強膜帶14a從上下兩個縫隙42a向供給側B突出時，上下的加強膜帶14a的繞出端被夾鉗110握持，各加強膜帶14a以規定量被夾鉗110向供給側B即黏接位置S側拉出（參照圖13）。接著，上下的加強膜帶14a從導向頭42的前端面42b被切割器130切斷。接著，在通過夾鉗110使被切斷的上下的加強膜帶14a移動至黏接位置S之後，在黏接位置S處被超音波熔接於拉鏈鏈條10的表背面。The guide head 42 includes two upper and lower slits 42 a corresponding to the belt outlet 44 a of the front and back of the guide body 41 . Each slit 42a is opened on one side of the guide head 42 . The reinforcing film tape 14a passed through the tape outlet 44a of the tape discharge portion 44 of the front and back of the guide body 41 is passed through each slit 42a of the guide head 42 next. Although the details will be described later, when the upper and lower reinforcing film tapes 14a protrude from the upper and lower two slits 42a to the supply side B, the unwinding ends of the upper and lower reinforcing film tapes 14a are grasped by the clamps 110, and each reinforcing film The tape 14a is pulled out to the supply side B, that is, the bonding position S side by the clamp 110 by a predetermined amount (see FIG. 13 ). Next, the upper and lower reinforcing film tapes 14a are cut by the cutter 130 from the front end surface 42b of the guide head 42 . Next, the upper and lower reinforcing film tapes 14a that have been cut are moved to the bonding position S by the clamps 110, and then ultrasonically welded to the front and back surfaces of the fastener chain 10 at the bonding position S.

帶導向部40在導向主體41的表背還包括帶按壓部45。帶按壓部45是細長的板簧。帶按壓部45的基端部由銷或螺釘等固定於帶接收部43的寬度方向中間部。帶按壓部45的頂端部在帶接收部43的供給方向前方且為寬度方向中間部以較弱的力彈性地按壓導向主體41的表背面。在夾鉗110將加強膜帶14a向供給側B拉拽時，帶按壓部45容許將加強膜帶14a向供給方向前方送出，但是阻止加強膜帶14a要向供給方向後方返回的情況發生。另外，帶按壓部45能夠抑制加強膜帶14a相對於供給方向向上下方向及左右方向移動（偏移）。The belt guide portion 40 further includes a belt pressing portion 45 on the front and back of the guide body 41 . The belt pressing portion 45 is an elongated leaf spring. The base end portion of the tape pressing portion 45 is fixed to the widthwise intermediate portion of the tape receiving portion 43 by pins, screws, or the like. The front end portion of the tape pressing portion 45 elastically presses the front and back surfaces of the guide main body 41 with a weak force at the front and the middle portion in the width direction of the tape receiving portion 43 in the supply direction. When the clamp 110 pulls the reinforcing film tape 14a toward the supply side B, the tape pressing portion 45 allows the reinforcing film tape 14a to be fed forward in the supply direction, but prevents the reinforcing film tape 14a from returning to the back in the supply direction. Moreover, the tape pressing part 45 can suppress the movement (shift) of the reinforcement film tape 14a in the up-down direction and the left-right direction with respect to the supply direction.

帶導向部40的導向主體41在帶接收部43與帶排出部44之間的一側部（設為左側部）設置有以從左側面40a向右側凹陷的方式切掉而得到的3個凹部46a、46a、46b。其中的供給方向前方的兩個凹部46a是能夠與後述的安裝部33的銷34卡合的被卡合部。該兩個凹部46a及銷34是將帶導向部40安裝於安裝部33時的定位機構的構成要素。另外，供給方向後方的剩餘的1個凹部46b是後述的位置固定機構的一構成要素。雖然將在後面說明，但是導向主體41的左側面40a作為帶導向部40側的安裝位置決定面40a發揮功能。凹部46a是用於將帶導向部40裝卸自由地安裝於安裝部33的結構，該安裝部33設置於帶輥保持部30的固定杆32。圖9是表示帶導向部40被安裝於安裝部33之前的狀態的與圖5大致同樣的側視圖。安裝部33包括：安裝上部33a；安裝下部33b；以及安裝側部33c，其規定安裝上部33a和安裝下部33b之間的一側面33ca。雖然將在後面說明，但是安裝側部33c的一側面33ca作為安裝部33側的安裝位置決定面發揮功能。圖10是將安裝部33的安裝下部33b的上表面與安裝側部33c一起示出的俯視圖。在安裝上部33a和安裝下部33b之間事先設置有兩個銷34，該兩個銷34是用於與帶導向部40的導向主體41的供給方向前方的兩個凹部46a嵌合的卡合部。另外，圖10～圖12中的附圖標記35是指用於在帶導向部40的安裝作業的最後使螺栓或快動杆36（參照圖5等）穿過剩餘的凹部46b的孔。孔35也設置於安裝上部33a的對應位置。The guide main body 41 of the tape guide portion 40 is provided with three recesses cut out so as to be recessed from the left side surface 40 a to the right side at one side portion (referred to as the left side portion) between the tape receiving portion 43 and the tape discharge portion 44 . 46a, 46a, 46b. Among them, the two recessed portions 46a in the front in the supply direction are engaged portions that can be engaged with the pins 34 of the mounting portion 33 described later. The two recessed portions 46 a and the pins 34 are constituent elements of the positioning mechanism when the tape guide portion 40 is attached to the attachment portion 33 . In addition, the remaining one recessed part 46b in the back of a supply direction is a component of the position fixing mechanism mentioned later. Although it will be described later, the left side surface 40a of the guide body 41 functions as the attachment position determination surface 40a on the tape guide 40 side. The recessed portion 46 a is a structure for detachably attaching the tape guide portion 40 to the mounting portion 33 provided on the fixing rod 32 of the tape roller holding portion 30 . FIG. 9 is a side view substantially similar to FIG. 5 , showing a state before the tape guide portion 40 is attached to the attachment portion 33 . The attachment portion 33 includes: an attachment upper portion 33a; an attachment lower portion 33b; and an attachment side portion 33c defining one side surface 33ca between the attachment upper portion 33a and the attachment lower portion 33b. Although it will be described later, the one side surface 33ca of the attachment side portion 33c functions as an attachment position determination surface on the attachment portion 33 side. FIG. 10 is a plan view showing the upper surface of the attachment lower portion 33b of the attachment portion 33 together with the attachment side portion 33c. Two pins 34 are provided in advance between the mounting upper portion 33a and the mounting lower portion 33b, and the two pins 34 are engaging portions for engaging with the two recessed portions 46a forward in the supply direction of the guide body 41 of the tape guide portion 40 . In addition, the reference numeral 35 in FIGS. 10 to 12 denotes a hole for passing a bolt or snap lever 36 (see FIG. 5 and the like) through the remaining recessed portion 46b at the end of the attachment operation of the tape guide portion 40 . Holes 35 are also provided at corresponding positions of the mounting upper portion 33a.

圖11是表示即將使帶導向部40的兩個凹部46a與安裝部33的兩個銷34嵌合之前的狀態的俯視圖。圖12是表示帶導向部40的凹部46a與安裝部33的銷34嵌合的狀態的俯視圖。在將帶導向部40向帶輥保持部30的安裝部33安裝的情況下，首先，一邊使帶導向部40的導向主體41的下表面沿著安裝部33的安裝下部33b的上表面一邊使兩個銷34與帶導向部40的兩個凹部46a嵌合（參照圖12）。即，從水平方向（左右方向）將帶導向部40相對於安裝上部33a、安裝下部33b的安裝側部33c***並定位。在圖12的狀態下導向主體41的左側面（帶導向部40側的安裝位置決定面）40a與安裝側部33c的一側面（安裝部33側的安裝位置決定面）33ca緊密接觸，帶導向部40被定位於安裝部33中的安裝位置。這樣，一邊使安裝部33的銷34與帶導向部40的凹部46a卡合一邊將導向主體41的左側面40a推抵於安裝側部33c的一側面33ca，由此能夠抑制帶導向部40相對於安裝部33向前後方向、左右方向及上下方向移動。由此，能夠容易且精確地將帶導向部40配置於安裝部33的安裝位置。然後，通過帶導向部40的剩餘的凹部46b及孔35使螺栓或快動杆36在安裝上部33a和安裝下部33b之間穿過，從而能夠將帶導向部40可靠地固定在安裝上部33a和安裝下部33b之間。方便起見，圖12中示出從孔35穿過的螺栓或快動杆36。圖5及圖9中的附圖標記37是通過凹部46b及孔35使螺栓或快動杆36穿過時的操作杆。在本實施方式中，帶導向部40的凹部46b、安裝部33的孔35、螺栓或快動杆36構成位置固定機構。FIG. 11 is a plan view showing a state just before the two concave portions 46 a of the tape guide portion 40 are fitted to the two pins 34 of the attachment portion 33 . FIG. 12 is a plan view showing a state in which the concave portion 46 a of the tape guide portion 40 is fitted with the pin 34 of the attachment portion 33 . When attaching the tape guide portion 40 to the attachment portion 33 of the tape roller holding portion 30 , first, the lower surface of the guide body 41 of the tape guide portion 40 is aligned with the upper surface of the attachment lower portion 33 b of the attachment portion 33 . The two pins 34 are fitted into the two recesses 46 a of the tape guide 40 (see FIG. 12 ). That is, from the horizontal direction (left-right direction), the tape guide part 40 is inserted and positioned with respect to the attachment side part 33c of the attachment upper part 33a and the attachment lower part 33b. In the state shown in FIG. 12 , the left side surface of the guide body 41 (the mounting position determining surface on the tape guide portion 40 side) 40a is in close contact with the one side surface (the mounting position determining surface on the mounting portion 33 side) 33ca of the mounting side portion 33c, and the tape guide The portion 40 is positioned in the mounting position in the mounting portion 33 . In this way, the left side surface 40a of the guide body 41 is pushed against the one side surface 33ca of the mounting side portion 33c while the pin 34 of the mounting portion 33 is engaged with the recessed portion 46a of the tape guide portion 40, thereby preventing the tape guide portion 40 from opposing each other. The mounting portion 33 moves in the front-rear direction, the left-right direction, and the up-down direction. Thereby, the tape guide portion 40 can be easily and accurately arranged at the attachment position of the attachment portion 33 . Then, through the remaining concave portion 46b and the hole 35 of the tape guide portion 40, the bolt or the snap lever 36 is inserted between the mounting upper portion 33a and the mounting lower portion 33b, so that the tape guide portion 40 can be securely fixed to the mounting upper portion 33a and the mounting portion 33b. Install between the lower parts 33b. For convenience, the bolt or snap-action lever 36 passing through the hole 35 is shown in FIG. 12 . Reference numeral 37 in FIGS. 5 and 9 is an operation lever when the bolt or the snap lever 36 is inserted through the recess 46 b and the hole 35 . In the present embodiment, the concave portion 46b of the belt guide portion 40, the hole 35 of the mounting portion 33, the bolt or the snap-action lever 36 constitute a position fixing mechanism.

圖13是將圖5的矩形框部分A放大概略地示出圖5中省略的設備部101的結構的側視圖，帶導向部40等用截面示出。在圖5中，拉鏈鏈條10在輸送路徑中暫時處於停止的狀態，拉鏈鏈條10的表背中供加強膜14b黏接的區域被定位於規定的黏接位置S。在以下的參照圖13的說明中，左右是基於圖13的紙面而言的。參照圖13，在黏接位置S的左側配置有加強膜帶供給裝置20，在黏接位置S的右側示出位於縮入位置的夾鉗110。夾鉗110能夠在縮入位置與圖5所示的突出位置之間移動。夾鉗110包括上夾爪110a和下夾爪110b，上夾爪110a和下夾爪110b之間成為避開拉鏈鏈條10的空間。當從加強膜帶供給裝置20所保持的上下兩個帶輥14繞出的上下的加強膜帶14a的繞出端穿過帶導向部40的導向頭42的上下兩個縫隙42a而從導向頭42的前端面42b稍稍突出時，該上下的繞出端被上下夾爪110a、110b握持。在該狀態下夾鉗110返回縮入位置，由此上下的加強膜帶14a被夾鉗110拉出所需的長度量。接著，切割器130上升，沿著導向頭42的前端面42b將上下的加強膜帶14a切斷。接著，通過夾鉗110，將上下的加強膜帶14a配置在針對拉鏈鏈條10的表背而言的黏接位置S。接著，配置在黏接位置S的上方的超音波變幅杆120和配置在黏接位置S的下方的砧座121以夾著上下的加強膜帶14a及拉鏈鏈條10的方式彼此靠近，將加強膜帶14a通過超音波熔接而熔接於拉鏈鏈條10的表背面。然後，拉鏈鏈條10在輸送路徑中被向下游輸送，在下一個間隔部13停止輸送，反覆進行上述的步驟。13 is a side view schematically showing the structure of the device portion 101 omitted in FIG. 5 by enlarging the rectangular frame portion A of FIG. 5 , and showing the belt guide portion 40 and the like in cross-section. In FIG. 5, the fastener chain 10 is temporarily stopped in the conveyance path, and the area|region where the reinforcement film 14b adheres among the front and back of the fastener chain 10 is positioned in the predetermined|prescribed adhesion position S. In the following description with reference to FIG. 13 , the left and right are based on the paper surface of FIG. 13 . 13 , the reinforcing film tape supply device 20 is arranged on the left side of the bonding position S, and the clamp 110 in the retracted position is shown on the right side of the bonding position S. As shown in FIG. The jaws 110 are movable between a retracted position and the protruding position shown in FIG. 5 . The clamp 110 includes an upper jaw 110a and a lower jaw 110b, and the space between the upper jaw 110a and the lower jaw 110b is a space avoiding the fastener chain 10 . When the upper and lower reinforcing film tapes 14a unwound from the upper and lower two tape rollers 14 held by the reinforcing film tape feeding device 20 pass through the upper and lower slits 42a of the guide head 42 of the tape guide 40, When the front end surface 42b of 42 slightly protrudes, the upper and lower winding ends are held by the upper and lower jaws 110a and 110b. In this state, the clamp 110 returns to the retracted position, whereby the upper and lower reinforcing film tapes 14a are pulled out by the clamp 110 by the required length. Next, the cutter 130 is raised, and the upper and lower reinforcing film tapes 14a are cut along the front end surface 42b of the guide head 42 . Next, the upper and lower reinforcing film tapes 14 a are arranged at the bonding position S with respect to the front and back of the fastener chain 10 by the clamp 110 . Next, the ultrasonic horn 120 arranged above the bonding position S and the anvil 121 arranged below the bonding position S are brought close to each other so as to sandwich the upper and lower reinforcing film tapes 14a and the fastener chain 10 to reinforce the The film tape 14a is welded to the front and back surfaces of the fastener chain 10 by ultrasonic welding. Then, the fastener chain 10 is conveyed downstream in the conveyance path, the conveyance is stopped at the next partition 13, and the above-mentioned steps are repeated.

圖14是表示帶導向部的變形例的與圖7同樣的俯視圖。除了在兩個凹部46a之外還設置磁鐵47作為定位機構這一點以外，該帶導向部40b與已述的帶導向部40實質上相同。因此，對與帶導向部40共通的結構標注相同的附圖標記並省略說明。帶導向部40b在左側面40a中的凹部46a、46a的供給方向後方設置有磁鐵47。在圖14的實施例中，磁鐵47設置在左側面40a中的帶接收部43的供給方向後方。帶輥保持部30的安裝部33的安裝側部33c中的與磁鐵47對應的部分採用與磁鐵47磁性吸合的鐵磁性體等金屬形成。此外，安裝部33整體也可以採用鐵磁性體等金屬形成。帶導向部40b中，在一邊使安裝部33的銷34與凹部46a、46b嵌合一邊使左側面40a靠近安裝側部33c的一側面33ca時，磁鐵47被安裝部33中的對應部分吸引。由此，容易且精確地將帶導向部40b配置於安裝部33的安裝位置。FIG. 14 is a plan view similar to FIG. 7 showing a modification of the belt guide. This tape guide portion 40b is substantially the same as the tape guide portion 40 described above, except that magnets 47 are provided as positioning means in addition to the two recessed portions 46a. Therefore, the same reference numerals are assigned to the same components as those of the belt guide portion 40, and descriptions thereof will be omitted. The tape guide portion 40b is provided with a magnet 47 rearward in the supply direction of the recessed portions 46a and 46a in the left side surface 40a. In the embodiment of FIG. 14 , the magnet 47 is provided behind the tape receiver 43 in the supply direction in the left side 40a. The part corresponding to the magnet 47 in the attachment side part 33c of the attachment part 33 of the tape roller holding|maintenance part 30 is formed by metal, such as a ferromagnetic body which magnetically attracts with the magnet 47. In addition, the entire attachment portion 33 may be formed of a metal such as a ferromagnetic material. In the tape guide portion 40b, when the left side surface 40a is brought close to the one side surface 33ca of the mounting side portion 33c while the pins 34 of the mounting portion 33 are engaged with the recesses 46a and 46b, the magnet 47 is attracted to the corresponding portion of the mounting portion 33. Thereby, the tape guide part 40b is arrange|positioned at the attachment position of the attachment part 33 easily and accurately.

圖15是表示帶導向部的另一個變形例的與圖7同樣的俯視圖。該帶導向部40c包括作為定位機構的被卡合部的1個凹部46a和作為位置固定機構的一構成要素的1個凹部46b。並且，帶導向部40c的導向主體41a採用與磁鐵磁性吸合的鐵磁性體等金屬形成。雖然未圖示，但是在安裝部33設置有1個銷作為定位機構的卡合部，並且在安裝側部33c的一側面中的供給方向後側（與圖14的帶導向部40b的磁鐵47對應的部分）設置有磁鐵。在將帶導向部40c向帶輥保持部30的安裝部33安裝時，一邊使1個銷與帶導向部40c的1個凹部46a嵌合，一邊使導向主體41a的左側面40a靠近安裝側部33c的一側面33ca。由此，採用鐵磁性體等金屬形成的導向主體41a被安裝部33中的磁鐵吸引，容易且精確地將帶導向部40c配置於安裝部33的安裝位置。然後，與帶導向部40同樣地，通過凹部46b由螺栓或快動杆36將帶導向部40c固定於安裝部33。Fig. 15 is a plan view similar to Fig. 7 showing another modification of the belt guide. The tape guide portion 40c includes one recessed portion 46a serving as an engaged portion of the positioning mechanism, and one recessed portion 46b serving as a component of the position fixing mechanism. In addition, the guide body 41a of the belt guide portion 40c is formed of a metal such as a ferromagnetic body that is magnetically attracted to a magnet. Although not shown, one pin is provided on the mounting portion 33 as an engaging portion of the positioning mechanism, and one side surface of the mounting side portion 33c is on the rear side in the supply direction (same as the magnet 47 with the guide portion 40b in FIG. 14 ). corresponding parts) are provided with magnets. When attaching the tape guide portion 40c to the attachment portion 33 of the tape roller holding portion 30, the left side surface 40a of the guide body 41a is brought closer to the attachment side portion while one pin is fitted into one recessed portion 46a of the tape guide portion 40c. One side of 33c is 33ca. As a result, the guide body 41 a formed of a metal such as a ferromagnetic material is attracted by the magnet in the attachment portion 33 , and the tape guide portion 40 c is easily and accurately arranged at the attachment position of the attachment portion 33 . Then, similarly to the tape guide portion 40, the tape guide portion 40c is fixed to the attachment portion 33 by the bolt or the snap lever 36 through the recessed portion 46b.

圖16是表示帶導向部和安裝部33（參照圖9等）中的安裝側部的變形例的與圖12大致同樣的俯視圖。圖16所示的帶導向部40d的如下結構與帶導向部40不同。即，在帶導向部40d中，設置有作為卡合部的一例的1個凸部46c來替代帶導向部40中的兩個凹部46a。除了凸部46c以外，帶導向部40d的結構與帶導向部40相同，因此使用與帶導向部40相同的附圖標記而省略詳細的說明。凸部46c從帶導向部40d的左側面40a突出。另外，在圖16所示的安裝側部33d中，設置有用於供帶導向部40d的凸部46c嵌合的作為被卡合部的槽部或凹部34a。安裝部33的兩個銷34被去除。帶導向部40d的凸部46c及安裝側部33d的槽部或凹部34a構成定位機構。除了在安裝側部33d設置槽部或凹部34a來替代兩個銷34這一點以外，安裝部33與已述的安裝部33相同，因此使用相同的附圖標記而省略詳細的說明。帶導向部40d從水平方向（左右方向）相對於安裝部33中的安裝上部33a和安裝下部33b之間的安裝側部33d***，帶導向部40d的凸部46c與安裝側部33d的槽部或凹部34a嵌合。然後，通過使螺栓或快動杆36（參照圖5等）穿過帶導向部40d的凹部46b及安裝部33的孔35（參照圖10）進行連結，將帶導向部40d固定於安裝部33。FIG. 16 is a plan view substantially similar to FIG. 12 , showing a modification of the attachment side portion of the tape guide portion and the attachment portion 33 (see FIG. 9 and the like). The tape guide portion 40d shown in FIG. 16 is different from the tape guide portion 40 in the following structure. That is, in the tape guide portion 40d, one convex portion 46c, which is an example of an engaging portion, is provided instead of the two recessed portions 46a in the tape guide portion 40. As shown in FIG. The structure of the tape guide portion 40d is the same as that of the tape guide portion 40 except for the convex portion 46c, and therefore, the same reference numerals as those of the tape guide portion 40 are used, and detailed description is omitted. The convex part 46c protrudes from the left side surface 40a of the tape guide part 40d. Moreover, in the attachment side part 33d shown in FIG. 16, the groove part or recessed part 34a which is a to-be-engaged part for fitting the convex part 46c of the tape guide part 40d is provided. The two pins 34 of the mounting portion 33 are removed. The convex part 46c of the belt guide part 40d and the groove part or the concave part 34a of the attachment side part 33d constitute a positioning mechanism. The mounting portion 33 is the same as the aforementioned mounting portion 33 except that a groove portion or a recessed portion 34 a is provided in the mounting side portion 33 d instead of the two pins 34 , and therefore the same reference numerals are used and detailed explanations are omitted. The tape guide portion 40d is inserted from the horizontal direction (left-right direction) with respect to the mounting side portion 33d between the mounting upper portion 33a and the mounting lower portion 33b of the mounting portion 33, and the convex portion 46c of the tape guide portion 40d and the groove portion of the mounting side portion 33d are inserted Or the recessed part 34a is fitted. Then, the tape guide portion 40d is fixed to the mounting portion 33 by passing a bolt or a snap-action lever 36 (see FIG. 5 etc.) through the concave portion 46b of the tape guide portion 40d and the hole 35 (see FIG. 10 ) of the mounting portion 33 for connection. .

圖17是表示帶導向部和安裝部33（參照圖9等）中的安裝側部的另一變形例的與圖12大致同樣的俯視圖。圖17所示的帶導向部40e的如下結構與帶導向部40不同。即，在帶導向部40e中，在左側面40a的導向頭42側的端部設置有作為被卡合部的一例的1個切缺部46d來替代帶導向部40中的兩個凹部46a。除了切缺部46d以外，帶導向部40e的結構與帶導向部40相同，因此使用與帶導向部40相同的附圖標記而省略詳細的說明。另外，在圖17所示的安裝側部33e中，設置有與帶導向部40e的切缺部46d嵌合的作為卡合部的延設部34b。安裝部33的兩個銷34被去除。帶導向部40e的切缺部46d及安裝側部33e的延設部34b構成定位機構。除了在安裝側部33e設置延設部34b來替代兩個銷34這一點以外，安裝部33與已述的安裝部33相同，因此使用相同的附圖標記而省略詳細的說明。帶導向部40e從水平方向（左右方向）相對於安裝部33中的安裝上部33a和安裝下部33b之間的安裝側部33e***，使安裝側部33e的延設部34b與帶導向部40e的切缺部46d嵌合。然後，通過使螺栓或快動杆36（參照圖5等）穿過帶導向部40e的凹部46b及安裝部33的孔35（參照圖10）進行連結，將帶導向部40e固定於安裝部33。FIG. 17 is a plan view substantially similar to FIG. 12 , showing another modification of the attachment side portion of the tape guide portion and the attachment portion 33 (see FIG. 9 and the like). The tape guide portion 40e shown in FIG. 17 is different from the tape guide portion 40 in the following structure. That is, in the tape guide portion 40e, a single cutout portion 46d as an example of a to-be-engaged portion is provided at the end on the guide head 42 side of the left side surface 40a instead of the two recessed portions 46a in the tape guide portion 40. The tape guide portion 40e has the same structure as the tape guide portion 40 except for the notch portion 46d, and therefore the same reference numerals as those of the tape guide portion 40 are used, and detailed descriptions thereof are omitted. Moreover, in the attachment side part 33e shown in FIG. 17, the extension part 34b which is an engaging part is provided in the notch part 46d of the tape guide part 40e which fits. The two pins 34 of the mounting portion 33 are removed. The notched portion 46d of the tape guide portion 40e and the extension portion 34b of the attachment side portion 33e constitute a positioning mechanism. The attaching part 33 is the same as the attaching part 33 described above except that the extension part 34b is provided on the attaching side part 33e instead of the two pins 34, and therefore the same reference numerals are used and detailed description is omitted. The tape guide portion 40e is inserted from the horizontal direction (left-right direction) with respect to the mounting side portion 33e between the mounting upper portion 33a and the mounting lower portion 33b of the mounting portion 33, and the extension portion 34b of the mounting side portion 33e and the tape guide portion 40e are inserted. The notched portion 46d is fitted. Then, the tape guide portion 40e is fixed to the mounting portion 33 by passing a bolt or a snap-action lever 36 (see FIG. 5 etc.) through the concave portion 46b of the tape guide portion 40e and the hole 35 (see FIG. 10 ) of the mounting portion 33 for connection. .

在以上的說明中，列舉了將帶導向部40、40b、40c、40d、40e從水平方向（左右方向）相對於安裝部33的安裝上部33a和安裝下部33b之間的安裝側部33c、33d、33e安裝的例子，但是本發明不限定於這樣的方式。圖18是表示安裝部的變形例的側視圖。該安裝部33´包括安裝上部33aa和安裝下部33ba，安裝下部33ba包含安裝側部33cb。安裝側部33cb具有安裝位置規定面33cc。在將帶導向部40向安裝部33´安裝的情況下，從上下方向將帶導向部40配置於與安裝上部33aa處於分離狀態的安裝下部33ba。此時，例如通過使端部與安裝上部33aa的螺栓孔連結的狀態下的螺栓36穿過帶導向部40的凹部46b，能夠容易地將帶導向部40配置在規定的位置。然後，配置安裝上部33aa並用操作杆37緊固螺栓36，由此能夠將帶導向部40安裝於安裝部33´。此外，在圖18中省略了帶導向部40的兩個凹部46a和與該凹部46a嵌合的安裝部33´側的兩個銷（34）。In the above description, the attachment side portions 33c and 33d between the attachment upper portion 33a and the attachment lower portion 33b of the attachment portion 33 from the horizontal direction (left-right direction) of the belt guide portions 40, 40b, 40c, 40d, and 40e have been described. , an example of 33e installation, but the present invention is not limited to such a method. FIG. 18 is a side view showing a modification of the attachment portion. The mounting portion 33' includes a mounting upper portion 33aa and a mounting lower portion 33ba, and the mounting lower portion 33ba includes a mounting side portion 33cb. The attachment side portion 33cb has an attachment position defining surface 33cc. When attaching the tape guide part 40 to the attachment part 33', the tape guide part 40 is arrange|positioned on the attachment lower part 33ba which is separated from the attachment upper part 33aa from an up-down direction. At this time, the tape guide 40 can be easily arranged at a predetermined position by, for example, passing the bolt 36 with the end connected to the bolt hole of the attachment upper portion 33aa through the recess 46b of the tape guide 40 . Then, by arranging the mounting upper part 33aa and tightening the bolts 36 with the operating lever 37, the tape guide part 40 can be mounted on the mounting part 33'. In addition, in FIG. 18, the two recessed parts 46a of the tape guide part 40 and the two pins (34) on the side of the mounting part 33' which are fitted into the recessed parts 46a are omitted.

在以上的實施方式中，列舉了帶導向部40、40b、40c、40d、40e向在帶輥保持部30設置的安裝部33、33´安裝的例子，但是也可以將安裝部設置於設備部101而不設置於帶輥保持部30，將帶導向部40、40b、40c相對於設備部101的安裝部進行裝卸。In the above embodiment, the example in which the tape guides 40, 40b, 40c, 40d, and 40e are attached to the attachment parts 33, 33' provided in the tape roll holding part 30 is given, but the attachment parts may be provided in the equipment part. The tape guide portions 40 , 40 b , and 40 c are attached to and detached from the mounting portion of the equipment portion 101 without being provided in the tape roller holding portion 30 .

1:拉鏈 10:拉鏈鏈條 11:拉鏈帶 12:鏈牙列 13:間隔部 14:帶輥 14a:加強膜帶 14b:加強膜 20:加強膜帶供給裝置 30:帶輥保持部 31:保持杆 31a:軸部 32:固定杆 33、33´:安裝部 33a、33aa:安裝上部 33b、33ba:安裝下部 33c、33cb:安裝側部 33ca、33ba:安裝側部的一側面（安裝部側的安裝位置決定面） 34:銷（定位機構的卡合部） 34a:槽部或凹部（定位機構的被卡合部） 34b:延設部（定位機構的卡合部） 35:孔（位置固定機構） 36:螺栓或快動杆（位置固定機構） 37: 操作杆 40、40b、40c、40d、40e:帶導向部 40a:導向主體的左側面（帶導向部側的安裝位置決定面） 41、41a:導向主體 42:導向頭 42a:縫隙 43:帶接收部 43a:帶入口 44:帶排出部 44a:帶出口 45:帶按壓部 46a:凹部（定位機構的被卡合部） 46b:凹部（位置固定機構） 46c:凸部（定位機構的卡合部） 46d:切缺部（定位機構的被卡合部） 47:磁鐵（定位機構） 100:加強膜黏接設備 101:設備部（加強膜帶供給裝置以外的加強膜黏接設備） 110:夾鉗 120:超音波變幅杆 121:砧座 130:切割器 A:矩形框部分 S:黏接位置1: zipper 10: zipper chain 11: zipper tape 12: Chain teeth 13: Spacer 14: Belt Roller 14a: Reinforced membrane tape 14b: Reinforcing Membrane 20: Reinforced film tape supply device 30: Belt roller holding part 31: Hold the rod 31a: Shaft 32: Fixed rod 33, 33´: Installation part 33a, 33aa: Install the upper part 33b, 33ba: Install the lower part 33c, 33cb: Mounting side 33ca, 33ba: One side of the mounting side (the mounting position determining surface on the mounting side) 34: Pin (the engaging part of the positioning mechanism) 34a: groove or recess (the engaged part of the positioning mechanism) 34b: Extension part (the engaging part of the positioning mechanism) 35: hole (position fixing mechanism) 36: Bolt or snap-action lever (position fixing mechanism) 37: Joystick 40, 40b, 40c, 40d, 40e: with guide 40a: Left side of the guide body (installation position determination surface on the side with the guide) 41, 41a: guide body 42: Guide head 42a: Gap 43: With receiving part 43a: with entrance 44: With discharge part 44a: with exit 45: With pressing part 46a: concave part (the engaged part of the positioning mechanism) 46b: Recess (position fixing mechanism) 46c: convex part (the engaging part of the positioning mechanism) 46d: Notched part (the engaged part of the positioning mechanism) 47: Magnet (positioning mechanism) 100: Reinforced film bonding equipment 101: Equipment Department (Reinforcement film bonding equipment other than reinforcement film tape supply device) 110: Clamps 120: Ultrasonic horn 121: Anvil 130: Cutter A: Rectangular frame part S: Bonding position

圖1是將連續的拉鏈鏈條在長度方向上截取示出的俯視圖。 圖2是表示在拉鏈鏈條的長度方向上每隔規定間隔地去除鏈牙列而形成間隔部的狀態的與圖1同樣的俯視圖。 圖3是表示在拉鏈鏈條的夾著間隔部的矩形區域黏接有加強膜的狀態的與圖1同樣的俯視圖。 圖4是完成後的拉鏈的俯視圖。 圖5是概略地表示本發明的一實施方式涉及的加強膜帶供給裝置的側視圖。 圖6是帶導向部的立體圖。 圖7是帶導向部的俯視圖。 圖8是沿著圖7的C－C線的帶導向部的截面圖。 圖9是表示帶導向部被安裝於安裝部之前的狀態的與圖5大致同樣的側視圖。 圖10是將安裝部的安裝下部的上表面與安裝側部一起示出的俯視圖。 圖11是表示即將使帶導向部的凹部與安裝部的銷嵌合之前的狀態的俯視圖。 圖12是表示帶導向部的凹部與安裝部的銷嵌合的狀態的俯視圖。 圖13是將圖5的矩形框部分A放大而概略地示出圖5中省略的設備部的結構的側視圖。 圖14是表示帶導向部的變形例的與圖7同樣的俯視圖。 圖15是表示帶導向部的另一個變形例的與圖7同樣的俯視圖。 圖16是表示帶導向部和安裝部中的安裝側部的變形例的大致與圖12同樣的俯視圖。 圖17是表示帶導向部和安裝部中的安裝側部的另一變形例的大致與圖12同樣的俯視圖。 圖18是表示安裝部的變形例的側視圖。FIG. 1 is a plan view showing a continuous fastener chain cut out in the longitudinal direction. Fig. 2 is a plan view similar to Fig. 1 showing a state in which element rows are removed at predetermined intervals in the longitudinal direction of the fastener chain to form partitions. Fig. 3 is a plan view similar to Fig. 1 showing a state in which a reinforcing film is adhered to a rectangular region of the fastener chain sandwiching a partition. Fig. 4 is a plan view of the completed slide fastener. 5 is a side view schematically showing a reinforcing film tape supply device according to an embodiment of the present invention. Fig. 6 is a perspective view of a belt guide. Fig. 7 is a plan view of the belt guide. FIG. 8 is a cross-sectional view of the belt guide along line CC of FIG. 7 . FIG. 9 is a side view substantially similar to FIG. 5 , showing a state before the tape guide portion is attached to the attachment portion. FIG. 10 is a plan view showing the upper surface of the mounting lower portion of the mounting portion together with the mounting side portion. FIG. 11 is a plan view showing a state immediately before fitting the concave portion of the tape guide portion with the pin of the mounting portion. 12 is a plan view showing a state in which a concave portion of the tape guide portion is fitted with a pin of the mounting portion. FIG. 13 is a side view schematically showing the configuration of a device portion omitted in FIG. 5 by enlarging the rectangular frame portion A of FIG. 5 . FIG. 14 is a plan view similar to FIG. 7 showing a modification of the belt guide. Fig. 15 is a plan view similar to Fig. 7 showing another modification of the belt guide. FIG. 16 is a plan view substantially similar to FIG. 12 , showing a modified example of the attachment side portion of the tape guide portion and the attachment portion. FIG. 17 is a plan view substantially similar to FIG. 12 , showing another modification of the tape guide portion and the attachment side portion of the attachment portion. FIG. 18 is a side view showing a modification of the attachment portion.

14:帶輥14: Belt Roller

14a:加強膜帶14a: Reinforced membrane tape

20:加強膜帶供給裝置20: Reinforced film tape supply device

30:帶輥保持部30: Belt roller holding part

31:保持杆31: Hold the rod

31a:軸部31a: Shaft

32:固定杆32: Fixed rod

33:安裝部33: Installation Department

33a:安裝上部33a: Install the upper part

33b:安裝下部33b: Install the lower part

36:螺栓或快動杆(位置固定機構)36: Bolt or snap-action lever (position fixing mechanism)

37:操作杆37: Joystick

40:帶導向部40: with guide

100:加強膜黏接設備100: Reinforced film bonding equipment

101:設備部(加強膜帶供給裝置以外的加強膜黏接設備)101: Equipment Department (Reinforcement film bonding equipment other than reinforcement film tape supply device)

110:夾鉗110: Clamps

A:矩形框部分A: Rectangular frame part

Claims (7)

一種加強膜帶供給裝置，其用於供給黏接於拉鏈鏈條（10）的夾著間隔部（13）的區域的加強膜（14b），所述加強膜帶供給裝置（20）包括： 帶輥保持部（30），其能夠保持帶輥（14），該帶輥（14）是作為所述加強膜（14b）的加強膜帶（14a）的供給源；以及 帶導向部（40、40b、40c、40d、40e），其能夠裝卸自由地安裝於所述帶輥保持部（30）的安裝部（33）， 所述帶導向部（40、40b、40c、40d、40e）將從所述帶輥保持部（30）所保持的所述帶輥（14）繞出的加強膜帶（14a）朝向所述加強膜（14b）相對於所述拉鏈鏈條（10）的黏接位置（S）引導。A reinforcing film tape supply device for supplying a reinforcing film (14b) adhered to a region of a fastener chain (10) sandwiching a spacer (13), the reinforcing film tape supply device (20) comprising: a belt roll holding portion (30) capable of holding a belt roll (14), which is a supply source for the reinforcing film tape (14a) serving as the reinforcing film (14b); and a belt guide part (40, 40b, 40c, 40d, 40e) which can be detachably attached to the mounting part (33) of the belt roller holding part (30), The tape guides (40, 40b, 40c, 40d, 40e) direct the reinforcing film tape (14a) unwound from the tape roll (14) held by the tape roll holding portion (30) toward the reinforcement The film (14b) is guided relative to the adhesive position (S) of the zipper chain (10). 如請求項1所述的加強膜帶供給裝置，其中 所述帶輥保持部（30）能夠保持用於分別向所述拉鏈鏈條（10）的表背供給加強膜（14b）的兩個帶輥（14）。The reinforcing film tape feeding device according to claim 1, wherein The said tape roller holding|maintenance part (30) can hold|maintain two tape rollers (14) for supplying a reinforcement film (14b) to the front and back of the said fastener chain (10), respectively. 如請求項1或請求項2所述的加強膜帶供給裝置，其中 所述帶導向部（40、40b、40c、40d、40e）和所述安裝部（33、33´）中的至少一方包括定位機構（34、34a、34b、46a、46c、46d、47），該定位機構（34、34a、34b、46a、46c、46d、47）用於將所述帶導向部（40、40b、40c、40d、40e）定位於所述安裝部（33）中的安裝位置。The reinforcing film tape feeding device according to claim 1 or claim 2, wherein At least one of the belt guide portion (40, 40b, 40c, 40d, 40e) and the mounting portion (33, 33') includes a positioning mechanism (34, 34a, 34b, 46a, 46c, 46d, 47), The positioning mechanisms (34, 34a, 34b, 46a, 46c, 46d, 47) are used to position the belt guides (40, 40b, 40c, 40d, 40e) at the mounting positions in the mounting portion (33) . 如請求項3所述的加強膜帶供給裝置，其中 所述定位機構（34、34a、34b、46a、46c、46d、47）包括：卡合部（34、34b、46c），其設置於所述帶導向部（40、40b、40c、40d、40e）和所述安裝部（33、33´）中的一方；以及被卡合部（46a、34a、46d），其設置於所述帶導向部（40、40b、40c、40d、40e）和所述安裝部（33、33´）中的另一方，並且能夠與所述卡合部（34、34b、46c）卡合。The reinforcing film tape feeding device according to claim 3, wherein The positioning mechanisms (34, 34a, 34b, 46a, 46c, 46d, 47) include: engaging parts (34, 34b, 46c) disposed on the belt guide parts (40, 40b, 40c, 40d, 40e) ) and one of the mounting portion (33, 33´); and the engaged portion (46a, 34a, 46d) provided on the belt guide portion (40, 40b, 40c, 40d, 40e) and the The other of the mounting parts (33, 33') can be engaged with the engaging parts (34, 34b, 46c). 如請求項3所述的加強膜帶供給裝置，其中 所述帶導向部（40、40b、40c、40d、40e）及所述安裝部（33、33´）分別具有在所述帶導向部（40、40b、40c、40d、40e）被定位於所述安裝位置的狀態下彼此接觸的安裝位置決定面（40a、33ca、33cc）。The reinforcing film tape feeding device according to claim 3, wherein The belt guides (40, 40b, 40c, 40d, 40e) and the mounting portions (33, 33´) respectively have a position where the belt guides (40, 40b, 40c, 40d, 40e) are positioned where The mounting position determining surfaces (40a, 33ca, 33cc) that are in contact with each other in the state of the mounting position described above. 如請求項3所述的加強膜帶供給裝置，其中 所述帶導向部（40、40b、40c、40d、40e）及所述安裝部（33、33´）包括位置固定機構（35、36），該位置固定機構（35、36）用於將被定位於所述安裝位置處的帶導向部（40、40b、40c、40d、40e）固定於所述安裝部（33、33´）。The reinforcing film tape feeding device according to claim 3, wherein The belt guide parts (40, 40b, 40c, 40d, 40e) and the mounting parts (33, 33´) include a position fixing mechanism (35, 36), and the position fixing mechanism (35, 36) is used to The belt guides (40, 40b, 40c, 40d, 40e) positioned at the mounting positions are fixed to the mounting portions (33, 33'). 如請求項3所述的加強膜帶供給裝置，其中 所述定位機構（34、34a、34b、46a、46c、46d、47）包括設置於所述安裝部（33）或所述帶導向部（40b）的磁鐵（47）。The reinforcing film tape feeding device according to claim 3, wherein The positioning mechanism (34, 34a, 34b, 46a, 46c, 46d, 47) includes a magnet (47) provided on the mounting portion (33) or the belt guide portion (40b).
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