JP3764404B2 - Method for adjusting parallelism of press machine - Google Patents

Method for adjusting parallelism of press machine Download PDF

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Publication number
JP3764404B2
JP3764404B2 JP2002150048A JP2002150048A JP3764404B2 JP 3764404 B2 JP3764404 B2 JP 3764404B2 JP 2002150048 A JP2002150048 A JP 2002150048A JP 2002150048 A JP2002150048 A JP 2002150048A JP 3764404 B2 JP3764404 B2 JP 3764404B2
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Japan
Prior art keywords
plate
movable
parallelism
guide
fixed
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Expired - Fee Related
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JP2002150048A
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Japanese (ja)
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JP2003340854A (en
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省二 浦野
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株式会社名機製作所
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  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Press Drives And Press Lines (AREA)

Description

【0001】
【発明の属する技術分野】
プリント配線板等の積層成形品を成形するプレス装置の熱板間の平行度を安定して向上させる技術に関する。
【0002】
【従来の技術】
プレス装置において、熱板間の平行度はそのまま成形品の厚さに反映されるので、平行度を基準の値以内に収めるため従来から様々な手段が採られた。例えば、熱板と固定盤および可動盤との間に配設される断熱板を平行度の不良部分に応じて研削したり、可動盤とラムとの間に平行度の不良部分に応じて適宜な厚さと形状を有するシムを挿入した。
【0003】
【発明が解決しようとする課題】
しかしながら、前記従来のいずれの方法も、恒久的かつ安定的に平行度が確保できるものではなかった。
【0004】
【課題を解決するための手段】
そこで、圧締装置により固定盤に近接・離隔させる可動盤と該固定盤との間に複数の熱板を等間隔に配設し、各熱板の間に挿入した被成形品を圧締装置により熱板とともに上昇させ圧締して成形するプレス装置において、前記移動する可動盤を前記被成形品を有しない熱板と一体にして圧締したとき、前記可動盤がその姿勢を維持できるように可動盤に設けた案内装置を案内部材に密着させる調整手段を設けさらに、前記可動盤が前記固定盤から離隔し下降したとき、前記案内装置が案内部材に密着した状態で下降移動する前記可動盤に当接させる衝止手段を設けたのである。
【0005】
【発明の実施の形態】
図面に基づいて本発明の実施の形態を詳細に説明する。図1はプレス装置の正面図であり、中心線の左側は可動盤が降下し衝止手段が当接したときの状態を示し、中心線の右側は可動盤が被成形品を有しない熱板とともに上昇し圧締したときの状態を示す。図2は図1におけるA−A矢視の部分断面図であり、図3は図1におけるB−B矢視の部分側面図である。
【0006】
プレス装置は、架台11に設けた圧締シリンダ1と、圧締シリンダ1に進退自在に嵌挿したラム2と、ラム2の上部端面に固着した可動盤3と、架台11上面の圧締シリンダ1の鍔に立設した四のタイバ7と、架台11に対向してタイバ7を固着する固定盤6と、前記可動盤3と固定盤6との間に断熱板5,5を介して移動可能に設けた複数の熱板4と、可動盤3が最下降したときに熱板4を可動盤3と固定盤6の間に等間隔に保持する段板9とからなる。なお、プレス成形を真空中で行って、ボイド等のない良好な成形品を得るときは、架台11と固定盤6の間の成形空間をカバ8で覆って真空にする。
【0007】
圧締シリンダ1とラム2は、圧締装置として構成され、圧締シリンダ1に供給される圧油によりラム2を上昇させて可動盤3を固定盤6に近接させるとともに、熱板4の間に挿入された被成形品を、圧締装置から可動盤3を介して押圧し固定盤6およびタイバ7で反力を受けることにより圧締し成形する。圧締装置は前記構成のように油圧によらず、電動モータ等で構成してもよい。
【0008】
可動盤3と固定盤6の間に設けられる熱板4のうち、最下段のものは断熱板5を介して可動盤3に固着され、最上段のものは断熱板5を介して固定盤6に固着されている。可動盤3と固定盤6に固着された熱板を除く他の熱板4は、それぞれの四隅側面に爪10を有する。爪10の長さは上段の熱板4のものほど長く形成され、可動盤3の下降にともなって爪10は上段から順次段板9の段部に係合して衝止されるので、可動盤3が最下降したときには熱板4は可動盤3と固定盤6の間に等間隔で配設される。
【0009】
可動盤3の四隅側面には案内装置19が設けられる。案内装置19は可動盤3の四隅側面に直接固着する取付板12と、取付板12の外方端部に固着した座13と、取付板12の凹部に案内されてタイバ7の方向に移動可能に設けた押板16と、座13に螺合して押板16の端面を押す調整手段としての調整ボルト14と、調整ボルト14を座13にロックするロックナット15とからなる。
【0010】
押板16は、調整ボルト14で押される端面を上下に二有し、それらの反対の端面に鍔状に突出する突出部を有する。該突出部にはタイバ7の軸に直交する方向に形成される凸部20を有する。凸部20は、案内部材としてのタイバ7の外表面の円弧に密着するように形成されたガイドシュ17の反密着面に設けた溝に遊嵌している。凸部20の鍔部斜面と、ガイドシュ17の溝の底面とは、タイバ7の中心軸からの放射線に直交する直線上に形成され、それらは当接している。したがって、ガイドシュ17は押板16の前進に伴って凸部20がガイドシュ17をタイバ7の中心軸からの放射線方向に押圧し、ガイドシュ17が凸部20から離反することなく、ガイドシュ17をタイバ7の外表面に密着させる。ガイドシュ17は押板16の上下端に二設けるように述べたが、押板16の突出部の上下全長に渡って一のガイドシュとなるようにしてもよい。なお、案内部材はタイバ7を共用せず、タイバ7とは別の部材を案内部材として専用に設けてもよい。また、調整手段は押板16を移動・押圧できるものであれば、調整ボルト14でなくてもよい。
【0011】
取付板12の下部端面には、衝止手段としてのボルト18が螺着され、可動盤3の下降が四の該ボルト18で衝止される。
【0012】
次に、前記案内装置、調整手段および衝止手段によって、熱板の平行度を調整する手順について説明する。
まず、相互の熱板4の間に被成形品を挿入せず調整ボルト14を緩めてガイドシュ17がタイバ7に密着しない状態で、圧締シリンダ1に圧油を供給してラム2を上昇させ、各熱板4を可動盤3とともに上昇・圧締させる。図1の中心線の右側はこの状態を示す。このとき、各熱板4は密着し可動盤3も断熱板5を介して熱板4と密着する。そして、可動盤3は各熱板4と断熱板5の板厚精度が蓄積された状態に倣って位置決めされた姿勢となる。
【0013】
次に可動盤3の前記姿勢を維持させながら、各調整ボルト14を順次調整して、全てのガイドシュ17がタイバ7に適度な押圧力をもって密着するようにする。そして、圧締シリンダ1の圧油を開放して可動盤3と熱板4を下降させる。可動盤3が図1の中心線の左側に示すような下降限度位置に到達し前記姿勢を維持した状態で、全てのボルト18が均等に架台11に当接するように各ボルト18の長さを調整する。
【0014】
【発明の効果】
本発明は上記のように構成したので、各熱板間の平行度が高精度に保たれ、しかも繰り返し精度も良好となる。
【図面の簡単な説明】
【図1】プレス装置の正面図であり、中心線の左側は可動盤が降下し衝止手段が当接したときの状態を示し、中心線の右側は可動盤が被成形品を有しない熱板とともに上昇し圧締したときの状態を示す。
【図2】図1におけるA−A矢視の部分断面図である。
【図3】図1におけるB−B矢視の部分側面図である。
【符号の説明】
1 ……… 圧締シリンダ
2 ……… ラム
3 ……… 可動盤
4 ……… 熱板
5 ……… 断熱板
6 ……… 固定盤
7 ……… タイバ(案内部材)
8 ……… カバ
9 ……… 段板
10 …… 爪
11 …… 架台
12 …… 取付板
13 …… 座
14 …… 調整ボルト(調整手段)
15 …… ロックナット
16 …… 押板
17 …… ガイドシュ
18 …… ボルト
19 …… 案内装置
20 …… 凸部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a technique for stably improving the parallelism between hot plates of a press apparatus for forming a laminated molded product such as a printed wiring board.
[0002]
[Prior art]
In the press apparatus, since the parallelism between the hot plates is directly reflected in the thickness of the molded product, various means have been conventionally used in order to keep the parallelism within a reference value. For example, the heat insulating plate disposed between the hot plate and the fixed platen and the movable platen is ground according to the poor parallelism portion, or appropriately between the movable platen and the ram according to the poor parallelism portion. Shims with different thickness and shape were inserted.
[0003]
[Problems to be solved by the invention]
However, none of the conventional methods can ensure the parallelism permanently and stably.
[0004]
[Means for Solving the Problems]
Therefore, a plurality of hot plates are arranged at equal intervals between the movable plate and the fixed plate, which are moved close to and away from the fixed plate by the pressing device, and the molded product inserted between the hot plates is heated by the pressing device. In a press device for forming by pressing together with a plate and pressing, the movable plate is movable so that the movable plate can maintain its posture when the movable plate is pressed together with the hot plate not having the molding target. Adjusting means for bringing the guide device provided on the board into close contact with the guide member is further provided. When the movable plate is moved away from the fixed plate and lowered, the movable plate moves downward while the guide device is in close contact with the guide member. An abutting means for contact is provided.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view of a press apparatus, the left side of the center line shows a state when the movable platen is lowered and the stop means comes into contact, and the right side of the center line is a hot plate where the movable platen has no molded product. The state when it rises and is clamped together is shown. 2 is a partial cross-sectional view taken along the line AA in FIG. 1, and FIG. 3 is a partial side view taken along the line BB in FIG.
[0006]
The press device includes a pressing cylinder 1 provided on a gantry 11, a ram 2 that is inserted into the pressing cylinder 1 so as to be movable forward and backward, a movable plate 3 fixed to the upper end surface of the ram 2, and a pressing cylinder on the upper surface of the gantry 11 The four tie bars 7 erected on the base of 1, the fixed plate 6 that fixes the tie bar 7 so as to face the gantry 11, and the movable plate 3 and the fixed plate 6 are moved through the heat insulating plates 5 and 5 The heat plate 4 includes a plurality of possible heat plates 4 and a step plate 9 that holds the heat plate 4 between the movable plate 3 and the fixed plate 6 at equal intervals when the movable plate 3 is lowered. In addition, when press molding is performed in a vacuum to obtain a good molded product having no voids or the like, the molding space between the gantry 11 and the stationary platen 6 is covered with a cover 8 and evacuated.
[0007]
The pressing cylinder 1 and the ram 2 are configured as a pressing device, and the ram 2 is raised by the pressure oil supplied to the pressing cylinder 1 to bring the movable platen 3 close to the fixed platen 6. The product to be molded inserted into the mold is pressed through the movable platen 3 from the pressure-clamping device and pressed by the stationary platen 6 and the tie bar 7 to be pressed and molded. The pressing device may be configured by an electric motor or the like without depending on the hydraulic pressure as in the above configuration.
[0008]
Of the heat plates 4 provided between the movable platen 3 and the fixed platen 6, the lowermost plate is fixed to the movable platen 3 through the heat insulating plate 5, and the uppermost plate is fixed to the fixed platen 6 through the heat insulating plate 5. It is fixed to. The other hot plates 4 except the hot plate fixed to the movable platen 3 and the fixed platen 6 have claws 10 on the four corner sides. The length of the claw 10 is formed longer as that of the upper heat plate 4, and the claw 10 is engaged with the step portion of the step plate 9 sequentially from the upper step as the movable platen 3 is lowered. When the board 3 is lowered, the hot plate 4 is disposed between the movable board 3 and the fixed board 6 at equal intervals.
[0009]
Guide devices 19 are provided on the four corner sides of the movable platen 3. The guide device 19 is movable in the direction of the tie bar 7 guided by the mounting plate 12 directly fixed to the four corners of the movable platen 3, the seat 13 fixed to the outer end of the mounting plate 12, and the concave portion of the mounting plate 12. And a lock nut 15 for locking the adjustment bolt 14 to the seat 13.
[0010]
The pressing plate 16 has two end surfaces that are pressed by the adjusting bolt 14 in the vertical direction, and has a protruding portion that protrudes like a bowl on the opposite end surface. The protrusion has a protrusion 20 formed in a direction orthogonal to the axis of the tie bar 7. The convex portion 20 is loosely fitted in a groove provided on the anti-contact surface of the guide shoe 17 formed so as to be in close contact with the arc on the outer surface of the tie bar 7 as a guide member. The flange slope of the convex portion 20 and the bottom surface of the groove of the guide shoe 17 are formed on a straight line perpendicular to the radiation from the central axis of the tie bar 7 and are in contact with each other. Therefore, as the push plate 16 advances, the guide shoe 17 presses the guide shoe 17 in the radial direction from the central axis of the tie bar 7, and the guide shoe 17 does not move away from the projection 20. 17 is brought into close contact with the outer surface of the tie bar 7. Although two guide shoes 17 are provided at the upper and lower ends of the pressing plate 16, a single guide shoe may be provided over the entire vertical length of the protruding portion of the pressing plate 16. Note that the tie bar 7 may not be shared by the guide member, and a member other than the tie bar 7 may be provided exclusively as the guide member. Further, the adjusting means may not be the adjusting bolt 14 as long as it can move and press the pressing plate 16.
[0011]
A bolt 18 as a stopping means is screwed to the lower end surface of the mounting plate 12, and the lowering of the movable platen 3 is stopped by the four bolts 18.
[0012]
Next, a procedure for adjusting the parallelism of the hot plate by the guide device, the adjusting means and the stopping means will be described.
First, the ram 2 is raised by supplying pressure oil to the pressing cylinder 1 in a state in which the molded product is not inserted between the heat plates 4 and the adjusting bolt 14 is loosened and the guide shoe 17 is not in close contact with the tie bar 7. Each hot plate 4 is raised and pressed together with the movable platen 3. The right side of the center line in FIG. 1 shows this state. At this time, the hot plates 4 are in close contact with each other, and the movable platen 3 is also in close contact with the hot plate 4 via the heat insulating plate 5. The movable platen 3 is positioned in accordance with a state in which the plate thickness accuracy of each heat plate 4 and heat insulating plate 5 is accumulated.
[0013]
Next, the adjustment bolts 14 are sequentially adjusted while maintaining the posture of the movable platen 3 so that all the guide shoes 17 are in close contact with the tie bar 7 with an appropriate pressing force. Then, the pressure oil in the pressing cylinder 1 is released, and the movable platen 3 and the heat plate 4 are lowered. In a state where the movable platen 3 reaches the lower limit position as shown on the left side of the center line in FIG. adjust.
[0014]
【The invention's effect】
Since the present invention is configured as described above, the parallelism between the hot plates is maintained with high accuracy, and the repetition accuracy is also good.
[Brief description of the drawings]
FIG. 1 is a front view of a press device, and the left side of the center line shows a state when the movable platen is lowered and the stop means comes into contact; The state when the plate is raised and pressed together with the plate is shown.
FIG. 2 is a partial cross-sectional view taken along the line AA in FIG.
FIG. 3 is a partial side view taken along arrow BB in FIG. 1;
[Explanation of symbols]
1 ……… Clamping cylinder 2 ……… Ram 3 ……… Movable platen 4 ……… Heat plate 5 ……… Heat insulation plate 6 ……… Fixed platen 7 ……… Tie bar (guide member)
8 ... Cover 9 ... Step plate 10 ... Claw 11 ... Mount 12 ... Mounting plate 13 ... Seat 14 ... Adjustment bolt (adjustment means)
15 ...... Lock nut 16 ...... Push plate 17 ...... Guide shoe 18 ...... Bolt 19 ...... Guide device 20 ...... Projection

Claims (2)

圧締装置により固定盤に近接・離隔させる可動盤と該固定盤との間に複数の熱板を等間隔に配設し、各熱板の間に挿入した被成形品を圧締装置により熱板とともに上昇させ圧締して成形するプレス装置において、熱板間の平行度を良好に調整する方法であって、前記可動盤の案内装置が案内部材に密着しないように調整手段を設定し、前記可動盤を前記被成形品を有しない熱板と一体にして圧締し、前記可動盤がそのときの姿勢を維持するように案内装置を案内部材に調整手段により密着させることを特徴とするプレス装置の平行度調整方法。 A plurality of hot plates are arranged at regular intervals between the movable platen and the fixed platen that are moved close to and away from the fixed plate by the pressing device, and the molded product inserted between the hot plates is put together with the hot plate by the pressing device. In a press apparatus that is molded by raising and pressing, it is a method for satisfactorily adjusting the parallelism between the hot plates, the adjusting means is set so that the guide device of the movable plate does not adhere to the guide member, and the movable device A pressing device characterized in that a plate is pressed together with a hot plate not having the molded product, and a guide device is brought into close contact with the guide member by an adjusting means so that the movable plate maintains the posture at that time. Parallelism adjustment method. 案内装置を案内部材に調整手段により密着させた後、前記可動盤を前記固定盤から下降して離隔させ、前記案内装置が案内部材に密着した状態で下降移動する前記可動盤を前記姿勢のままで衝止させることを特徴とする請求項1に記載のプレス装置の平行度調整方法。 After the guide device is brought into close contact with the guide member by the adjusting means, the movable plate is lowered from the fixed plate and separated from the fixed plate, and the movable plate moving downward while the guide device is in close contact with the guide member remains in the posture. The parallelism adjustment method for a press apparatus according to claim 1, wherein the parallelism is made to stop by a press.
JP2002150048A 2002-05-24 2002-05-24 Method for adjusting parallelism of press machine Expired - Fee Related JP3764404B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102673198A (en) * 2011-11-28 2012-09-19 合江巨森索具包装有限公司 Hot mould pressing machine for moulding multiple I-shaped wheel discs and trays in one time by consuming bamboo and straw wastes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4920278B2 (en) * 2006-03-24 2012-04-18 Towa株式会社 Molding equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102673198A (en) * 2011-11-28 2012-09-19 合江巨森索具包装有限公司 Hot mould pressing machine for moulding multiple I-shaped wheel discs and trays in one time by consuming bamboo and straw wastes

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