JP4093436B2 - Carrier tape - Google Patents

Carrier tape Download PDF

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Publication number
JP4093436B2
JP4093436B2 JP32785698A JP32785698A JP4093436B2 JP 4093436 B2 JP4093436 B2 JP 4093436B2 JP 32785698 A JP32785698 A JP 32785698A JP 32785698 A JP32785698 A JP 32785698A JP 4093436 B2 JP4093436 B2 JP 4093436B2
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JP
Japan
Prior art keywords
carrier tape
sprocket
preparative
present
engaging portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP32785698A
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Japanese (ja)
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JP2000153873A (en
Inventor
博 今井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Polymer Co Ltd
Original Assignee
Shin Etsu Polymer Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to JP32785698A priority Critical patent/JP4093436B2/en
Publication of JP2000153873A publication Critical patent/JP2000153873A/en
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Publication of JP4093436B2 publication Critical patent/JP4093436B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、各種電子部品や精密部品を多数収納して、保管、搬送し、あるいは基板等への表面実装機の円滑な稼働を行うのに有用なキャリアテープに関する。
【0002】
【従来の技術】
従来のキャリアテープは、図5(a)に示すように、長尺のキャリアテープ11に設けられた電子部品等を収納する部品収納凹部15とキャリアテープの側辺に沿って設けられたスプロケット孔12からなり、このスプロケット孔12は、プレスパンチ金型を用いて、打抜き加工により設けていた。このキャリアテープの移送は、図5(b)に示すように、キャリアテープ11のスプロケット孔12に挿入された歯14を有するギヤ13を回転させて行い、部品収納用凹部15を所定量移動させている。
【0003】
【発明が解決しようとする課題】
一般的なキャリアテープは、原材料として熱可塑性プラスチックシートを用いているため、プレスパンチ金型を用いたスプロケット孔の打抜きでは、加工時にスプロケット孔の周辺部にバリが生じるが、このバリの発生を完全になくすことは、その加工方法上、非常に困難である。また、スプロケット孔の打抜き時に生じる孔周辺部のバリの発生を低レベルに保持しようとした場合、摩耗によるダレを修正するために、頻繁にプレスパンチ金型の研磨を行う必要がある。
【0004】
加えて、近年、表面実装機やチップマウンターに、画像処理装置等の高精度な検査、位置決め装置が急速に導入されており、従来では、問題のないレベルの孔周辺部のバリであっても、これらの装置が誤作動を生じるため使用できなくなってきている。したがって、本発明の課題は、スプロケット孔にバリを一切発生させないキャリアテープを提供することにある。
【0005】
【課題を解決するための手段】
本発明のキャリアテープは、熱可塑性プラスチックシートを用いて形成されるキャリアテープであって、熱可塑性プラスチックシートが、加熱軟化され、部品収納凹部を成形されると同時に、キャリアテープの側辺に沿って凹陥状または突起状の個別のスプロケット用係合部が形成されたものであることを特徴とする。すなわち、従来のキャリアテープのスプロケット孔は、貫通孔であるが、本発明のキャリアテープでは、スプロケット孔を貫通孔とせず、凹陥状または突起状に形成している。
【0006】
【発明の実施の形態】
本発明の凹陥状または突起状のスプロケット用係合部は、キャリアテープのスプロケット用係合部を表面実装機の構造に合わせ、下方からギヤの歯が挿入されるタイプの表面実装機用には突起状に、逆に移送用のギヤの歯が上方から挿入されるタイプの表面実装機用には凹陥状に形成することにより、スプロケット用係合部を設ける際の打抜き加工を不要とし、孔周辺部からのバリの発生を無くしている。本発明の凹陥状または突起状のスプロケット用係合部は、表面実装機のギアの歯を受け入れ、その先端部がスプロケット用係合部の先端面に当接しない大きさに形成することが好ましい。
【0007】
以下、本発明の実施の形態を添付図面に基づいて説明する。図1は、本発明のキャリアテープの部分斜視図であり、図2は、本発明のキャリアテープの他の態様の部分斜視図である。また、図3は、図1のキャリアテープの使用状態を示す部分概略図であり、図4は、図2のキャリアテープの使用状態を示す部分概略図である。図1、図2に示すように、本発明のキャリアテープ1,1’には、側辺に沿って凹陥状または突起状のスプロケット用係合部2,2’が設けられている。
【0008】
図1に示すキャリアテープ1は、図3に示すようにギヤ3の歯4が上方からスプロケット用係合部2に挿入されるタイプの表面実装機用のもので、スプロケット用係合部2が凹陥状に形成され、このスプロケット用係合部2に歯4が挿入されたギヤ3が回転することにより、部品収納用凹部5が所定量移動する。また、図2に示すキャリアテープ1’は、図4に示すように、下方からギヤ3’の歯4’が挿入されるタイプの実装機用のもので、スプロケット用係合部2’が突起状に形成され、このスプロケット用係合部2’に歯4’が挿入されたギヤ3’が回転することにより、部品収納用凹部5’が所定量移動する。
【0009】
本発明のキャリアテープは、一定幅にスリットされた熱可塑性プラスチックシートを加熱軟化させ、部品収納用凹部を単列、あるいは多列成形すると同時に、従来のキャリアテープにおける部品収納用凹部の成形と同様の手法(真空成形法、圧空成形法、及びプレス成形法等)を用い、従来のスプロケット用係合部と同じ位置に、凹陥状または突起状のスプロケット用係合部を成形することにより、容易に製造することができる。
【0010】
【実施例】
以下に、本発明のキャリアテープの実施例を、図に基づき説明するが、本発明はこれらに限定されるものではない。
[実施例1]
幅8mm、スプロケット用係合部のピッチが4mmのキャリアテープを、以下の方法により6列採りにて作製した。幅60mm、厚さ0.25mmのポリスチレン製シートを、予熱ロールおよび加熱ロールにより加熱軟化させ、成形ドラム金型により真空成形法にて、1.45mm×2.2mm、深さ1.4mmの部品収納用凹部5と、内径μ1.60mm、深さの内寸が2.0mmの凹陥状スプロケット用係合部2を連続成形(5m/min)して、図1に示すような本発明のキャリアテープAを作製した。
[実施例2]
また、深さの内寸が2.0mmの突起状スプロケット用係合部2’を成形する他は、実施例1と同様にして、図2に示すような本発明のキャリアテープBを作製した。
【0011】
上記キャリアテープA,Bの収納凹部に、チップ部品(セラミックコンデンサー)を収納したものを、表面実装機に装填して移送させたが、従来のキャリアテープと同様、全く支障なく移送できた。また、従来のキャリアテープのようにスプロケット用係合部にバリが発生しないため、検査、位置決め装置(画像処理装置等)の誤作動は全く無く、表面実装機やチップマウンターに画像処理装置を用いても、誤作動を生じることがなく、円滑な表面実装作業が行えた。
【0012】
【発明の効果】
本発明によれば、従来のスプロケット用係合部を有するキャリアテープのバリに起因する問題点を解決することができる。すなわち、キャリアテープのスプロケット用係合部を設ける際のプレスパンチ金型を不要とし、孔周辺部のバリに起因する検査、位置決め装置(画像処理装置等)の誤作動をなくすことができる。
【図面の簡単な説明】
【図1】 本発明のキャリアテープの部分斜視図である。
【図2】 本発明のキャリアテープの他の態様の部分斜視図である。
【図3】 図3は、図1のキャリアテープの使用状態を示す部分概略図である。
【図4】 図2のキャリアテープの使用状態を示す部分概略図である。
【図5】(a)は、従来のキャリアテープの部分斜視図であり、(b)は、(a)のキャリアテープの使用状態の部分概略図である。
【符号の説明】
1、1’、11 キャリアテープ
2、2’、12 スプロケット用係合部
3、3’、13 ギヤ
4、4’、14 歯
5、5’、15 部品収納用凹部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a carrier tape useful for storing a large number of various electronic components and precision components for storage, transportation, or smooth operation of a surface mounter on a substrate or the like.
[0002]
[Prior art]
As shown in FIG. 5A, the conventional carrier tape has a component storage recess 15 for storing electronic components and the like provided on the long carrier tape 11 and a sprocket hole provided along the side of the carrier tape. This sprocket hole 12 was formed by punching using a press punch die. The carrier tape is transferred by rotating a gear 13 having teeth 14 inserted into the sprocket holes 12 of the carrier tape 11 as shown in FIG. ing.
[0003]
[Problems to be solved by the invention]
Since a general carrier tape uses a thermoplastic sheet as a raw material, when punching a sprocket hole using a press punch die, burrs are generated around the sprocket hole during processing. It is very difficult to completely eliminate the processing method. Further, when it is attempted to keep the burr around the hole generated at the time of punching the sprocket hole at a low level, it is necessary to frequently polish the press punch die in order to correct the sagging due to wear.
[0004]
In addition, in recent years, high-precision inspection and positioning devices such as image processing devices have been rapidly introduced into surface mounters and chip mounters. These devices have become unusable due to malfunctions. Accordingly, an object of the present invention is to provide a carrier tape that does not generate any burrs in sprocket holes.
[0005]
[Means for Solving the Problems]
Carrier tape of the present invention is a carrier tape which is formed by using a thermoplastic plastic sheet, a thermoplastic sheet is heated softened, and at the same time being molded component storage recesses along the sides of the cab Riatepu and characterized in that the concave shape or protruding individual scan Puroke' preparative engaging portion is formed Te. That is, the sprocket hole of the conventional carrier tape is a through hole. However, in the carrier tape of the present invention, the sprocket hole is not formed as a through hole but is formed in a concave shape or a protrusion shape.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Concave-shaped or projection-like sprocket preparative engaging portion of the present invention, position the sprocket preparative engaging portion of the carrier tape on the structure of the surface mounting machine, the type for a surface mounter which the gear teeth from below is inserted the protruding on, by the teeth of the gear for transferring conversely it is for the type of surface mounter which is one we inserted upwardly to form the concave shape, punching in providing a sprocket preparative engagement portion Is eliminated, and the generation of burrs around the hole is eliminated. Concave-shaped or projection-like sprocket preparative engaging portion of the present invention accepts a gear teeth surface mounter, that its leading end portion is formed in a size that does not contact the distal end surface of the sprocket preparative engagement portion Is preferred.
[0007]
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a partial perspective view of the carrier tape of the present invention, and FIG. 2 is a partial perspective view of another embodiment of the carrier tape of the present invention. 3 is a partial schematic view showing the usage state of the carrier tape of FIG. 1, and FIG. 4 is a partial schematic view showing the usage state of the carrier tape of FIG. As shown in FIGS. 1 and 2, the carrier tape 1, 1 'of the present invention, the concave-shaped or projection-like sprocket preparative engaging portion along the sides 2, 2' are provided.
[0008]
Carrier tape 1 shown in Figure 1, those teeth 4 of the gear 3, as shown in FIG. 3 for the type of surface mounter which is inserted from above into sprocket preparative engagement portion 2, sprocket preparative engaging portion 2 is formed concave shape, by the gear 3 which teeth 4 is inserted into the sprocket preparative engagement portion 2 rotates, component housing recess 5 is moved by a predetermined amount. The carrier tape 1 ', as shown in FIG. 4, the gear 3 from below''shown in FIG. 2 but for the type of mounter is inserted, sprocket preparative engaging portion 2' teeth 4 of It is formed in a protruding, 'by the rotation, component housing recess 5' gear 3 which is inserted 'teeth 4' this sprocket preparative engaging portion 2 is moved a predetermined amount.
[0009]
The carrier tape of the present invention heats and softens a thermoplastic sheet slit to a certain width, and forms a single row or multiple rows of concave portions for storing components, and at the same time as the molding of concave portions for storing components in a conventional carrier tape. techniques (vacuum forming, pressure forming, and press molding method, etc.) used, in the same position as the conventional sprocket preparative engaging portion, by molding a concave shape or projecting sprocket preparative engagement portion Can be manufactured easily.
[0010]
【Example】
Examples of the carrier tape of the present invention will be described below with reference to the drawings. However, the present invention is not limited to these examples.
[Example 1]
Width 8 mm, the carrier tape pitch 4mm of sprocket preparative engaging portion, was prepared in six rows picking by the following method. A polystyrene sheet having a width of 60 mm and a thickness of 0.25 mm is heated and softened by a preheating roll and a heating roll, and a vacuum forming method using a molding drum mold to obtain a component having a depth of 1.45 mm × 2.2 mm and a depth of 1.4 mm. a housing recess 5, the inner diameter Myu1.60Mm, inner dimension of depth is 2.0mm the concave-shaped sprocket preparative engaging portion 2 by continuous molding (5 m / min), of the present invention as shown in FIG. 1 Carrier tape A was produced.
[Example 2]
Further, in addition to internal dimensions of the depth to mold the 2.0mm protruding sprocket preparative engaging portion 2 'of, in the same manner as in Example 1, producing a carrier tape B of the present invention as shown in FIG. 2 did.
[0011]
Although the chip parts (ceramic capacitors) stored in the storage recesses of the carrier tapes A and B were loaded into a surface mounter and transferred, they could be transferred without any problem as in the case of conventional carrier tapes. Further, since the burr sprocket preparative engaging portion as in the conventional carrier tape are not generated, inspection, malfunction is absolutely no positioning device (image processing apparatus), an image processing apparatus to the surface mounting apparatus, a chip mounter Even if it was used, there was no malfunction and smooth surface mounting work could be performed.
[0012]
【The invention's effect】
According to the present invention, it is possible to solve the problems caused by the carrier tape of burrs having a conventional sprocket preparative engaging portion. That is, the press punching die when providing the sprocket preparative engaging portion of the carrier tape is unnecessary, the inspection due to the burr hole peripheral portion, can be eliminated malfunction of the positioning device (image processing apparatus).
[Brief description of the drawings]
FIG. 1 is a partial perspective view of a carrier tape of the present invention.
FIG. 2 is a partial perspective view of another embodiment of the carrier tape of the present invention.
FIG. 3 is a partial schematic view showing a usage state of the carrier tape of FIG. 1;
4 is a partial schematic view showing a usage state of the carrier tape of FIG. 2; FIG.
5A is a partial perspective view of a conventional carrier tape, and FIG. 5B is a partial schematic view of the carrier tape in FIG. 5A in use.
[Explanation of symbols]
1,1 ', 11 the carrier tape 2, 2', 12 sprocket preparative engaging portions 3 and 3 ', 13 gears 4,4', 14 teeth 5,5 ', 15 component housing recess

Claims (1)

熱可塑性プラスチックシートを用いて形成されるキャリアテープであって、熱可塑性プラスチックシートが、加熱軟化され、部品収納凹部を成形されると同時に、キャリアテープの側辺に沿って凹陥状または突起状の個別のスプロケット用係合部が形成されたものであることを特徴とするキャリアテープ。 A carrier tape formed using a thermoplastic sheet, a thermoplastic sheet is heated softened, and at the same time being molded component storage recesses, concave shaped or protruding along the sides of the cab Riatepu carrier tape, wherein the this in which engaging portions for individual scan Puroke' bets are formed.
JP32785698A 1998-11-18 1998-11-18 Carrier tape Expired - Lifetime JP4093436B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32785698A JP4093436B2 (en) 1998-11-18 1998-11-18 Carrier tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32785698A JP4093436B2 (en) 1998-11-18 1998-11-18 Carrier tape

Publications (2)

Publication Number Publication Date
JP2000153873A JP2000153873A (en) 2000-06-06
JP4093436B2 true JP4093436B2 (en) 2008-06-04

Family

ID=18203749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32785698A Expired - Lifetime JP4093436B2 (en) 1998-11-18 1998-11-18 Carrier tape

Country Status (1)

Country Link
JP (1) JP4093436B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4713267B2 (en) * 2005-08-01 2011-06-29 株式会社田中技研 Continuous sheet with sprocket holes and its processing tool

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