JP2000308931A - Chucking mechanism for thin plate - Google Patents
Chucking mechanism for thin plateInfo
- Publication number
- JP2000308931A JP2000308931A JP11116795A JP11679599A JP2000308931A JP 2000308931 A JP2000308931 A JP 2000308931A JP 11116795 A JP11116795 A JP 11116795A JP 11679599 A JP11679599 A JP 11679599A JP 2000308931 A JP2000308931 A JP 2000308931A
- Authority
- JP
- Japan
- Prior art keywords
- thin plate
- plate
- claws
- chucking mechanism
- holding
- 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.)
- Pending
Links
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明はプリント基板、セラ
ミック板、水晶板等の変形し易い薄板を機械的にチャッ
キングする機構の改良に関し、特に薄板に反り等の変形
がある場合にチャッキング用の爪が薄板を破損すること
を有効に防止することができる薄板のチャッキング機構
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a mechanism for mechanically chucking easily deformable thin plates such as a printed board, a ceramic plate, a quartz plate, etc. The present invention relates to a thin plate chucking mechanism that can effectively prevent the nail of the thin plate from breaking the thin plate.
【0002】[0002]
【従来の技術】各種電子機器の電装部に使用されるプリ
ント基板や、電子部品に使用される水晶素板、セラミッ
ク板等は、要求に応じて1.0mm以下の薄板状に構成
されるが、これらの薄板を所定の組み付け部位に移動し
たり、移載する作業を自動的に行う場合には、機械的な
チャッキング機構が使用される。図4は従来のチャッキ
ング機構の一例を示す斜視図であり、断面コ字状の爪1
を有した2つのチャック2を薄板3の両端縁に接近させ
て、爪1の凹部1a内に薄板の両端縁を嵌合させること
により、薄板を保持して運搬する。図5(a) (b) 及び
(c) はコ字状爪により薄板をチャッキングする手順を示
す略図であり、まず(a) (b) に示すように薄板3を、退
避位置にある2つの爪1の間の所定位置に移動させ、そ
の後(c) に示すように両爪1を薄板3の両端縁に向けて
夫々接近させることにより、各爪1の凹部1a内に薄板
3の両端縁を嵌合保持する。しかし、図6(a) (b) に示
すように薄板3に反り等の変形がある場合、上記のチャ
ッキング機構を用いてチャッキングを行おうとすると、
図6(b) に示すようにチャッキング不良が発生し、場合
によっては薄板3が破損する事態も発生する。このよう
な事態の発生は、チャッキング装置の稼働率の低下や、
手直しに伴う工数の増大等の不具合をもたらしている。2. Description of the Related Art Printed circuit boards used for the electrical components of various electronic devices and quartz plates and ceramic plates used for electronic components are formed into thin plates of 1.0 mm or less as required. In the case where these thin plates are moved to a predetermined assembly site or the operation of transferring the thin plates is automatically performed, a mechanical chucking mechanism is used. FIG. 4 is a perspective view showing an example of a conventional chucking mechanism.
The two chucks 2 having the above are brought close to the both edges of the thin plate 3, and the both edges of the thin plate are fitted into the concave portions 1a of the claws 1 to hold and transport the thin plate. Figures 5 (a), (b) and
(c) is a schematic view showing a procedure for chucking the thin plate with the U-shaped claw. First, as shown in (a) and (b), the thin plate 3 is moved to a predetermined position between the two claws 1 at the retracted position. Then, as shown in (c), the both claws 1 are moved toward the both ends of the thin plate 3 so that the two ends of the thin plate 3 are fitted and held in the concave portions 1a of the respective claws 1. However, when the thin plate 3 is deformed such as warpage as shown in FIGS. 6 (a) and 6 (b), when the chucking is performed using the above-described chucking mechanism,
As shown in FIG. 6B, a chucking failure occurs, and in some cases, the thin plate 3 may be damaged. Occurrence of such a situation may be caused by a decrease in the operating rate of the chucking device,
Problems such as an increase in the number of man-hours due to the rework are brought about.
【0003】[0003]
【発明が解決しようとする課題】本発明が解決しようと
する課題は、略コ字状爪をチャッキング対象物としての
薄板の端縁に接近させてチャックするように構成された
チャッキング機構において、薄板の反りや撓み等の変形
に起因して確実なチャックが阻害され、薄板を破損させ
たり、機械の稼働率を低下させたり、手直しの為に工数
が増加するという不具合を解決することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a chucking mechanism configured to chuck a substantially U-shaped claw by approaching an edge of a thin plate as an object to be chucked. In order to solve the problem that the reliable chuck is hindered due to deformation such as warpage or bending of the thin plate, the thin plate is damaged, the operation rate of the machine is reduced, and the number of man-hours for rework is increased. is there.
【0004】[0004]
【課題を解決するための手段】上記課題を解決するた
め、請求項1の発明は、変形し易い薄板の両端縁に対し
て断面略コ字状の2つの爪を接近させることにより各略
コ字状爪の凹所内にて薄板両端縁を保持し、2つの爪を
離間方向へ移動させることにより薄板を離脱させるチャ
ッキング機構において、上記略コ字状爪を構成する奥側
の保持板の幅を、手前側の保持板の幅よりも大きく構成
したことを特徴とする。請求項2の発明は、上記2つの
爪間に上記薄板を位置決めする際に、各爪の奥側の保持
板間の間隔が薄板の幅よりも狭くなるように、各爪の位
置を設定したことを特徴とする。請求項3の発明は、上
記手前側の保持板の内壁をテーパー状に構成したことを
特徴とする。請求項4の発明は、上記2つの爪を構成す
る奥側の保持板の端縁を入子式に嵌合し合う凹凸形状と
したことを特徴とする。In order to solve the above-mentioned problems, the invention according to claim 1 is characterized in that each claw is approximated by bringing two claws having a substantially U-shaped cross section close to both ends of a thin plate which is easily deformed. In the chucking mechanism for holding the both edges of the thin plate in the concave portion of the U-shaped claw and detaching the thin plate by moving the two claws in the separating direction, the chucking mechanism on the back side constituting the substantially U-shaped claw is provided. The width is configured to be larger than the width of the holding plate on the front side. In the invention of claim 2, when positioning the thin plate between the two claws, the positions of the claws are set so that the interval between the holding plates on the back side of each nail is smaller than the width of the thin plate. It is characterized by the following. The invention according to claim 3 is characterized in that the inner wall of the near-side holding plate is formed in a tapered shape. The invention according to claim 4 is characterized in that the edges of the holding plate on the back side constituting the two claws are formed in an uneven shape so as to fit in a telescopic manner.
【0005】[0005]
【発明の実施の形態】以下、本発明を図面に示した実施
の形態により詳細に説明する。図1(a) は本発明の一実
施の形態としてのチャッキング機構の構成説明図であ
り、(b) は爪の構成を示す断面図である。このチャッキ
ング機構は、矢印方向へ進退可能に構成された2つのチ
ャック10と、各チャック10に一体化された爪11と
を有する。各爪11は薄板20の両端縁をチャックし易
いように凹所11aを有した略コ字状の平面形状を有し
ている。即ち、各爪11は、奥側の保持板12と、手前
側の保持板13と、両保持板12、13間に位置する凹
所11aとから成り、奥側の保持板12の幅は、手前側
の保持板13の幅よりも長く設定されている。また、図
1(b) にも示すように奥側の保持板12の内壁12aを
フラットに構成する一方で、手前側の保持板13の内壁
13aをテーパー状に傾斜させる。このように手前側の
保持板13の幅を短くすると共に、内壁13aにテーパ
ー部を形成するのは、薄板を凹所11a内に入れ易くす
る為の配慮である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. FIG. 1A is an explanatory diagram of a configuration of a chucking mechanism according to an embodiment of the present invention, and FIG. 1B is a cross-sectional view illustrating a configuration of a claw. This chucking mechanism has two chucks 10 configured to be able to advance and retreat in the direction of the arrow, and claws 11 integrated with each chuck 10. Each of the claws 11 has a substantially U-shaped planar shape having a concave portion 11a so as to easily chuck both end edges of the thin plate 20. That is, each claw 11 includes a holding plate 12 on the back side, a holding plate 13 on the near side, and a recess 11a located between the holding plates 12, 13, and the width of the holding plate 12 on the back side is The width is set longer than the width of the holding plate 13 on the near side. Further, as shown in FIG. 1B, the inner wall 12a of the holding plate 12 on the far side is made flat while the inner wall 13a of the holding plate 13 on the near side is tapered. The reason why the width of the holding plate 13 on the near side is reduced and the tapered portion is formed on the inner wall 13a is to make it easier to insert the thin plate into the recess 11a.
【0006】両爪11により薄板をチャックする方法と
しては、図2(a) に示した如く2つの爪11の奥方の保
持板12の両端部間の距離Wが薄板20の幅Lよりも狭
くなるように、2つの爪11の間隔を設定しておき、こ
の状態で押え板15によって薄板20を2つの爪11間
に押し込む。この際、図2(b) に示すように薄板20の
幅Lよりも狭い間隔である距離Wを隔てて対峙した2つ
の奥側の保持板12に薄板が当接し、押え板15の加圧
力により当接状態を保持される。従って、薄板20に反
り等の変形があったとしても、両保持板12と押え板1
5との間に挟持されることにより変形がある程度一時的
に矯正される。この状態で、(c) に示すように両爪11
を薄板の両端縁に向けて移動することにより、手前側の
保持板13が薄板の端縁にかかる程度に接近した時点で
押え板15を退避させる。続いて、(d) に示すように押
え板15の退避後に更に両爪11を接近方向へ移動させ
ることにより、チャッキングが完了する。なお、(b) の
状態において薄板の両端縁に多少の反り、変形等が残っ
ていたとしても、手前側の保持板12の内壁をテーパー
状にしたので、各端縁を無理なく凹所11a内に導くこ
とができる。As shown in FIG. 2 (a), a method of chucking a thin plate with both claws 11 is such that the distance W between both ends of the holding plate 12 at the back of the two claws 11 is smaller than the width L of the thin plate 20. In this state, the interval between the two claws 11 is set, and in this state, the thin plate 20 is pushed between the two claws 11 by the holding plate 15. At this time, as shown in FIG. 2 (b), the thin plate abuts against two holding plates 12 on the back side facing each other at a distance W, which is a distance smaller than the width L of the thin plate 20, and the pressing force of the pressing plate 15 is applied. Keeps the contact state. Therefore, even if the thin plate 20 is deformed such as warpage, both the holding plates 12 and the holding plate 1
5, the deformation is temporarily corrected to some extent. In this state, as shown in FIG.
Is moved toward both end edges of the thin plate, and when the holding plate 13 on the near side approaches the edge of the thin plate, the presser plate 15 is retracted. Subsequently, the chucking is completed by further moving the claws 11 in the approaching direction after the retraction of the presser plate 15 as shown in FIG. In the state shown in FIG. 2B, even if the edges of the thin plate are slightly warped or deformed, the inner wall of the holding plate 12 on the front side is tapered, so that each edge is easily recessed 11a. Can lead inside.
【0007】上記実施例では、図2(b) の状態における
両保持板12間の間隔Wが広い為、押え板15により加
圧したとしても十分に反り等の変形を矯正することがで
きない。理想的には、図3(b) に示した如く両保持板1
2の端部同士が接触する程度にその長さを設定すること
が好ましい。しかし、この構成では、保持板12が邪魔
となって各爪がそれ以上内側へ移動できず、薄板をチャ
ッキングすることが不可能である。そこで、本発明の第
2の実施の形態では、図3(a) に示すように奥側の保持
板12の端縁に互いに嵌合し合う凹凸16を設け、入子
式に嵌合させることにより、上記の理想的な構造を実現
した。つまり、図3(a) に示した離間状態であっても押
し込まれた薄板を凹凸16を構成する各突部16aによ
って保持することができるので、押え板15との間で挟
圧することにより反り等を十分に矯正した上で、薄板両
端縁を各爪の凹所によって確実に嵌合把持することがで
きる。また、その後、両爪を接近方向へ移動させる際に
は、一方の凸部が一方の凹部内に完全に嵌合するまでの
距離の分だけマージンが存することとなり、薄板を十分
に保持することができる。In the above embodiment, since the distance W between the two holding plates 12 in the state shown in FIG. 2B is wide, even if pressure is applied by the holding plate 15, deformation such as warpage cannot be sufficiently corrected. Ideally, as shown in FIG.
It is preferable to set the length so that the two end portions contact each other. However, in this configuration, the holding plate 12 is in the way and the claws cannot move further inward, so that it is impossible to chuck the thin plate. Therefore, in the second embodiment of the present invention, as shown in FIG. As a result, the above-described ideal structure was realized. In other words, even in the separated state shown in FIG. 3 (a), the pressed thin plate can be held by the projections 16a constituting the unevenness 16, so that the warp is generated by clamping the thin plate with the pressing plate 15. After sufficient correction, the both edges of the thin plate can be securely fitted and gripped by the recesses of the claws. Further, when the claws are moved in the approaching direction thereafter, there is a margin for the distance until one of the protrusions is completely fitted into the one of the recesses, so that the thin plate is sufficiently held. Can be.
【0008】[0008]
【発明の効果】以上のように本発明では、略コ字状爪を
チャッキング対象物としての薄板の端縁に接近させてチ
ャックするように構成されたチャッキング機構におい
て、薄板の反りや撓み等の変形に起因して確実なチャッ
クが阻害され、薄板を破損させたり、機械の稼働率を低
下させたり、手直しの為に工数が増加するという不具合
を解決することができる。即ち、請求項1の発明は、変
形し易い薄板の両端縁に対して断面略コ字状の2つの爪
を接近させることにより各略コ字状爪の凹所内にて薄板
両端縁を保持し、2つの爪を離間方向へ移動させること
により薄板を離脱させるチャッキング機構において、略
コ字状爪を構成する奥側の保持板の幅を、手前側の保持
板の幅よりも大きく構成した。この為、手前側から薄板
を両爪間に押し込み、位置決めしてから両爪を接近させ
て薄板両端縁を保持する作業を実施するに際して、手前
側の保持板が障害とならないため、反り等の変形を有し
た薄板を確実にチャックすることができる。請求項2の
発明では、上記2つの爪間に上記薄板を位置決めする際
に、各爪の奥側の保持板間の間隔が薄板の幅よりも狭く
なるように、各爪の位置を設定したので、押え板等を用
いて薄板を爪間に押し込み位置決めする時に、奥側の保
持板間にて薄板を確実に支承し、押え板との間で挟圧す
ることにより反り等の変形を一時的に矯正し、両爪の凹
所内にて薄板を確実に嵌合保持することが可能となる。
請求項3の発明では、上記手前側の保持板の内壁をテー
パー状に構成したので、反りを有した薄板の端縁をテー
パー部により確実にガイドし、各爪の凹所内に薄板の端
縁を無理なく確実に導くことができる。請求項4の発明
では、上記2つの爪を構成する奥側の保持板の端縁を入
子式に嵌合し合う凹凸形状としたので、2つの爪間に薄
板を押し込む際に、奥側の保持板により確実に薄板を支
承することができる一方で、その後に両爪を接近方向へ
移動させるためのマージンを十分に確保することができ
る。As described above, according to the present invention, there is provided a chucking mechanism in which a substantially U-shaped claw is brought close to an edge of a thin plate as an object to be chucked and chucked. Deformation such as deformation can hinder a reliable chuck, break a thin plate, reduce the operating rate of a machine, or increase the number of man-hours for rework. In other words, the invention of claim 1 holds the two ends of the thin plate in the recesses of the substantially U-shaped claws by bringing two claws having a substantially U-shaped cross section close to the both ends of the thin plate which is easily deformed. In the chucking mechanism for detaching the thin plate by moving the two claws in the separating direction, the width of the back side holding plate constituting the substantially U-shaped claw is configured to be larger than the width of the front side holding plate. . For this reason, when the thin plate is pushed between the two claws from the near side, and the two claws are brought close to each other to perform the work of holding the both ends of the thin plate, the holding plate on the near side does not become an obstacle, so that there is no warpage. The deformed thin plate can be reliably chucked. In the invention of claim 2, when positioning the thin plate between the two claws, the positions of the claws are set such that the distance between the holding plates on the back side of each nail is smaller than the width of the thin plate. Therefore, when pressing the thin plate between the claws using a holding plate or the like and positioning it, securely support the thin plate between the holding plates on the back side and temporarily compress deformation between the holding plate and warp etc. And the thin plate can be securely fitted and held in the recesses of both claws.
According to the third aspect of the present invention, since the inner wall of the holding plate on the front side is tapered, the edge of the warped thin plate is reliably guided by the tapered portion, and the edge of the thin plate is inserted into the recess of each claw. Can be guided without difficulty. According to the fourth aspect of the present invention, since the edge of the back side holding plate constituting the two claws is formed into an uneven shape to be fitted in a telescopic manner, when the thin plate is pushed between the two claws, the back side is pushed. While the thin plate can be reliably supported by the holding plate, a sufficient margin for subsequently moving both claws in the approaching direction can be secured.
【図1】(a) は本発明の一実施の形態としてのチャッキ
ング機構の構成説明図であり、(b) は爪の構成を示す断
面図。FIG. 1A is a configuration explanatory view of a chucking mechanism according to an embodiment of the present invention, and FIG. 1B is a cross-sectional view illustrating a configuration of a claw.
【図2】(a) 乃至(d) は本発明の爪により薄板をチャッ
クする方法を説明する図。FIGS. 2A to 2D are diagrams illustrating a method of chucking a thin plate with a claw according to the present invention.
【図3】(a) は本発明の変形例の説明図、(b) は従来の
欠点を示す図。FIG. 3A is an explanatory view of a modification of the present invention, and FIG. 3B is a view showing a conventional defect.
【図4】従来例の説明図。FIG. 4 is an explanatory diagram of a conventional example.
【図5】(a) (b) 及び(c) は従来例のチャッキング機構
によるチャッキング手順の説明図。5 (a), (b) and (c) are explanatory views of a chucking procedure by a conventional chucking mechanism.
【図6】(a) 及び(b) は従来例の欠点を説明する為の
図。FIGS. 6A and 6B are diagrams for explaining the disadvantages of the conventional example.
10 チャック、11 爪、11a 凹所、12 奥側
の保持板、12a 内壁、13 手前側の保持板、13
a 内壁、15 押え板、20 薄板。Reference Signs List 10 chuck, 11 claw, 11a recess, 12 back holding plate, 12a inner wall, 13 front holding plate, 13
a Inner wall, 15 holding plate, 20 thin plate.
Claims (4)
コ字状の2つの爪を接近させることにより各略コ字状爪
の凹所内にて薄板両端縁を保持し、2つの爪を離間方向
へ移動させることにより薄板を離脱させるチャッキング
機構において、 上記略コ字状爪を構成する奥側の保持板の幅を、手前側
の保持板の幅よりも大きく構成したことを特徴とする薄
板のチャッキング機構。1. A method for holding two ends of a thin plate in a recess of each substantially U-shaped claw by bringing two claws having a substantially U-shaped cross section close to both end edges of the thin plate which is easily deformed. In the chucking mechanism for detaching the thin plate by moving the thin plate in the separating direction, the width of the back side holding plate constituting the substantially U-shaped claw is configured to be larger than the width of the front side holding plate. A chucking mechanism for thin plates.
る際に、各爪の奥側の保持板間の間隔が薄板の幅よりも
狭くなるように、各爪の位置を設定したことを特徴とす
る請求項1記載の薄板のチャッキング機構。2. When positioning the thin plate between the two claws, the positions of the claws are set such that the distance between the holding plates on the back side of each nail is smaller than the width of the thin plate. The chucking mechanism for a thin plate according to claim 1, wherein:
に構成したことを特徴とする請求項1又は2記載の薄板
のチャッキング機構。3. The thin plate chucking mechanism according to claim 1, wherein an inner wall of the holding plate on the front side is tapered.
端縁を入子式に嵌合し合う凹凸形状としたことを特徴と
する請求項1、2、又は3記載の薄板のチャッキング機
構。4. The thin plate according to claim 1, 2 or 3, wherein the edges of the holding plate on the rear side constituting the two claws are formed in an uneven shape so as to fit in a telescopic manner. Chucking mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11116795A JP2000308931A (en) | 1999-04-23 | 1999-04-23 | Chucking mechanism for thin plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11116795A JP2000308931A (en) | 1999-04-23 | 1999-04-23 | Chucking mechanism for thin plate |
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JP2000308931A true JP2000308931A (en) | 2000-11-07 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002210627A (en) * | 2001-01-16 | 2002-07-30 | Honda Motor Co Ltd | Transfer type working system |
JP2009052957A (en) * | 2007-08-24 | 2009-03-12 | Nidec-Read Corp | Holding mechanism, and device equipped with holding mechanism |
CN104625268A (en) * | 2015-01-16 | 2015-05-20 | 哈尔滨飞机工业集团有限责任公司 | Thin plate clamping device for linear cutting |
CN113427280A (en) * | 2021-07-23 | 2021-09-24 | 江苏中科玻尔科技有限公司 | Multi-station workbench turnover device |
-
1999
- 1999-04-23 JP JP11116795A patent/JP2000308931A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002210627A (en) * | 2001-01-16 | 2002-07-30 | Honda Motor Co Ltd | Transfer type working system |
JP2009052957A (en) * | 2007-08-24 | 2009-03-12 | Nidec-Read Corp | Holding mechanism, and device equipped with holding mechanism |
CN104625268A (en) * | 2015-01-16 | 2015-05-20 | 哈尔滨飞机工业集团有限责任公司 | Thin plate clamping device for linear cutting |
CN113427280A (en) * | 2021-07-23 | 2021-09-24 | 江苏中科玻尔科技有限公司 | Multi-station workbench turnover device |
CN113427280B (en) * | 2021-07-23 | 2022-04-12 | 江苏中科玻尔科技有限公司 | Multi-station workbench turnover device |
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