JPH08188426A - Apparatus for forming optical element having center mechanism - Google Patents

Apparatus for forming optical element having center mechanism

Info

Publication number
JPH08188426A
JPH08188426A JP259695A JP259695A JPH08188426A JP H08188426 A JPH08188426 A JP H08188426A JP 259695 A JP259695 A JP 259695A JP 259695 A JP259695 A JP 259695A JP H08188426 A JPH08188426 A JP H08188426A
Authority
JP
Japan
Prior art keywords
mold
rotating
shaft
axis
optical element
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.)
Withdrawn
Application number
JP259695A
Other languages
Japanese (ja)
Inventor
Takashi Kobayashi
高志 小林
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.)
Olympus Corp
Original Assignee
Olympus Optical 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
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP259695A priority Critical patent/JPH08188426A/en
Publication of JPH08188426A publication Critical patent/JPH08188426A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/16Gearing or controlling mechanisms specially adapted for glass presses

Abstract

PURPOSE: To provide an apparatus for forming an optical element equipped with a centering mechanism capable of remarkably reducing the resistance force in regulating the shaft center aligning, enabling the positional regulation of a top and a bottom metallic forces with a high accuracy and remarkably reducing the regulation time. CONSTITUTION: This apparatus for forming an optical element is obtained by installing a freely rotatable upper mount 2, holding a top metallic force 1 and having a rotating shaft 13 eccentric to the shaft center 11 of a forming surface 14 of the top metallic force 1, providing a freely rotatable and freely vertically movable lower mount 5, holding a lower bottom metallic force 4 and having a rotating shaft 12 eccentric to the shaft center 16 of a forming surface 15 of the bottom metallic force 4, further arranging a rotating mechanism capable of individually rotating both the upper and the lower mounts 2 and 5 with the rotating shafts 13 and 12 as the centers, thereby rotating both the top and the bottom metallic forces 1 and 4 through both the upper and the lower mounts 2 and 5 with the respective rotating shafts 13 and 12 as the centers and aligning the shaft center 11 of the forming surface 14 with the shaft center 16 of the forming surface 15.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、加熱軟化したガラス素
材を成形型により、加圧成形して光学素子を成形する芯
出し機構を備えた光学素子成形装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical element molding apparatus provided with a centering mechanism for molding an optical element by press-molding a glass material which has been softened by heating with a molding die.

【0002】[0002]

【従来の技術】請求項1〜4に対する従来技術として
は、特開平2−307831号公報がある。図5および
図6を用いて従来技術を説明する。上金型61の基端部
を保持したマウント62を固定した方形のスライド板6
3と、支柱64に支持され、スライド板63を上金型6
1の軸心78に対して直角な方向へ摺動自在に保持する
案内板65と、スライド板63の辺(側面)4方向に設
置され、スライド板63を案内板65に沿って直角4方
向にそれぞれ微動させる4個のガイド機構66を有する
移動手段とから構成されている。
2. Description of the Related Art Japanese Patent Application Laid-Open No. 2-307831 discloses a conventional technology for claims 1 to 4. A conventional technique will be described with reference to FIGS. 5 and 6. A rectangular slide plate 6 to which a mount 62 holding the base end of an upper die 61 is fixed
3 and the slide plate 63 supported by the column 64 and the upper mold 6
The guide plate 65 that slidably holds in the direction perpendicular to the axis 78 of the first slide plate 63 and the side (side surface) of the slide plate 63 are installed in four directions. And a moving means having four guide mechanisms 66 for making fine movements.

【0003】各ガイド機構66は、長手方向に傾斜面6
7を持ち、その傾斜面67をスライド板63の一辺に対
向させて案内板65に固定したガイドブロック68と、
スライド板63とガイドブロック68との間に配置さ
れ、スライド板63の一辺とガイドブロック68に形成
した傾斜面67がなす角度に等しい角度を有するクサビ
69と、ガイドブロック68の端面に固定した取付部材
70に螺着され、その先端でクサビ69の端面を押圧し
てクサビ69をガイドブロック68の傾斜面67に沿っ
て移動させるクサビ移動ネジ71とから構成されてい
る。このガイド機構66には、スライド板63の隣り合
う一方の2辺において、軸心合わせ用の測長器72が測
長器用ホルダー73を介してガイドブロック68に固定
されており、測長器72の先端は、ネジを介してスライ
ド板63上に固定した測定ブロック74に当接可能とな
っている。また、スライド板63の隣り合う他の2辺に
おいて、スライド板63に対するクサビ69およびガイ
ドブロック68は、側面側よりスライド板63のネジ孔
75にねじ込まれたネジ76により固定されるようにな
っている。
Each guide mechanism 66 has an inclined surface 6 in the longitudinal direction.
7, a guide block 68 fixed to the guide plate 65 with its inclined surface 67 facing one side of the slide plate 63,
A wedge 69 disposed between the slide plate 63 and the guide block 68 and having an angle equal to the angle formed by one side of the slide plate 63 and the inclined surface 67 formed on the guide block 68, and an attachment fixed to the end surface of the guide block 68. A wedge moving screw 71 is screwed to the member 70 and pushes the end surface of the wedge 69 with its tip to move the wedge 69 along the inclined surface 67 of the guide block 68. In this guide mechanism 66, a length measuring device 72 for axial center alignment is fixed to a guide block 68 via a length measuring device holder 73 on two adjacent two sides of the slide plate 63. The tip of can be brought into contact with the measurement block 74 fixed on the slide plate 63 via a screw. Further, on the other two adjacent sides of the slide plate 63, the wedge 69 and the guide block 68 for the slide plate 63 are fixed by the screws 76 screwed into the screw holes 75 of the slide plate 63 from the side surface side. There is.

【0004】上記構成のガイド機構66により上金型6
1の軸心合わせを行うには、クサビ移動ネジ70により
クサビ69を移動させ、クサビ69に当接するガイドブ
ロック68の傾斜面67の作用によってクサビ69の移
動方向と直交する方向にスライド板63を押圧移動する
ことで、スライド板63とガイドブロック68の間の隙
間を調整する。この動作を全てのガイド機構66につい
て行い、スライド板63を他の直交するガイド機構66
を案内として微動させて、軸心合わせを行う。このと
き、スライド板63の移動量は測長器72により計測さ
れる。そして、軸心合わせが終了したとき、スライド板
63は、4本の固定ボルト77を手作業により締め付け
ることで案内板65に固定される。
The upper die 6 is formed by the guide mechanism 66 having the above-mentioned structure.
In order to perform the axis alignment of No. 1, the wedge 69 is moved by the wedge moving screw 70, and the slide plate 63 is moved in the direction orthogonal to the moving direction of the wedge 69 by the action of the inclined surface 67 of the guide block 68 that abuts on the wedge 69. By pressing and moving, the gap between the slide plate 63 and the guide block 68 is adjusted. This operation is performed for all the guide mechanisms 66, and the slide plate 63 is moved to another orthogonal guide mechanism 66.
Make a slight movement as a guide to align the axes. At this time, the amount of movement of the slide plate 63 is measured by the length measuring device 72. Then, when the axis alignment is completed, the slide plate 63 is fixed to the guide plate 65 by manually tightening the four fixing bolts 77.

【0005】[0005]

【発明が解決しようとする課題】しかし、従来技術にあ
っては、以下のような問題点があった。ガイド機構66
のガイドブロック68と、スライド板63が面接触で、
かつクサビ69の押し込み状態によりスライド板63を
規制する接触面に劣化が生じ滑り抵抗が増加したり、接
触圧が大き過ぎる場合、スライド板63を微動させる際
にスティックスリップ(ビビリ)現象が生じ、高精度に
移動させることができないという問題点があった。ま
た、軸心合わせの調整を行うに際し、クサビ69の微
動、スライド板63の固定等に多くの固定用、調整用ネ
ジを使用しているため、調整作業に多大な工数がかかる
問題点があった。
However, the prior art has the following problems. Guide mechanism 66
Guide block 68 and slide plate 63 are in surface contact,
In addition, when the wedge 69 is pushed in, the contact surface that regulates the slide plate 63 deteriorates and the sliding resistance increases, or if the contact pressure is too large, a stick-slip phenomenon occurs when the slide plate 63 is slightly moved, There is a problem that it cannot be moved with high precision. In addition, when adjusting the axial center, many fixing and adjusting screws are used for fine movement of the wedge 69 and fixing of the slide plate 63, so that there is a problem that a lot of man-hours are required for the adjusting work. It was

【0006】本発明は、上記従来技術の問題点に鑑みて
なされたもので、請求項1〜4の発明は、軸心合わせの
調整の際の抵抗力を大幅に低減し、高精度な上下金型の
位置調整を可能とし、かつ、調整時間を大幅に削減した
芯出し機構を備えた光学素子成形装置を提供することを
目的とする。
The present invention has been made in view of the above-mentioned problems of the prior art, and the inventions of claims 1 to 4 significantly reduce the resistance force at the time of adjustment of the axis alignment, and highly accurate vertical movement. It is an object of the present invention to provide an optical element molding apparatus equipped with a centering mechanism capable of adjusting the position of a mold and significantly reducing the adjustment time.

【0007】[0007]

【課題を解決するための手段】上記課題を解決するため
に、請求項1の発明は、上下一対の金型と、前記一方の
金型を保持しこの金型の成形面の軸心に対して偏心した
回転軸を有する回転自在なマウントと、前記他方の金型
を保持しこの金型の成形面の軸心に対して偏心した回転
軸を有する回転自在かつ上下動自在なマウントと、前記
回転軸を中心に前記両マウントを個別に回転させる回転
機構とを備えて構成した。
In order to solve the above-mentioned problems, the invention of claim 1 holds a pair of upper and lower molds and one of the molds, and holds the mold on the axis of the molding surface of the mold. And a rotatable mount having an eccentric rotation shaft, and a rotatable and vertically movable mount that holds the other mold and has a rotation shaft that is eccentric to the shaft center of the molding surface of the mold, And a rotation mechanism for individually rotating the both mounts about a rotation axis.

【0008】また、請求項2の発明は、請求項1におけ
る回転機構を、両回転軸にそれぞれ設けた目盛り付の回
転用部材および前記両マウントの回転を固定し得る手段
から構成した。
According to a second aspect of the present invention, the rotating mechanism according to the first aspect comprises a rotating member provided with scales on both rotary shafts and a means for fixing the rotation of the both mounts.

【0009】さらに、請求項3の発明は、請求項1にお
ける回転機構を、自動制御により前記両マウントを回動
かつその回転を固定する手段により構成した。
Further, in the invention of claim 3, the rotating mechanism in claim 1 is constituted by means for rotating the both mounts and fixing the rotation by automatic control.

【0010】そして、請求項4の発明は、請求項1にあ
って、前記上下一対の金型のプレス軸が、一方の金型の
成形面の軸心に対して偏心した回転軸および他方の金型
の成形面の軸心に対して偏心した回転軸と平行でかつ前
記両回転軸の間に位置するように構成した。
According to a fourth aspect of the present invention, in the first aspect, the press shafts of the pair of upper and lower molds are eccentric with respect to the shaft center of the molding surface of one mold and the press shaft of the other mold. It is arranged such that it is positioned parallel to the rotation axis eccentric to the axis of the molding surface of the mold and between the both rotation axes.

【0011】[0011]

【作用】図1および図2を用いて、請求項1,4の作用
を説明する。図1は上下両金型の周辺を示した断面図、
図2は上下両金型の成形面の軸心位置の調整時の軌跡を
示している。上金型1を保持する上マウント2は上ベー
ス3により矢印7の方向へ回転自在に保持され、下金型
4を保持する下マウント5は可動軸6により矢印8の方
向へ回転自在に保持されるとともに、下金型4は可動軸
6の移動(矢印9の方向)により上金型1に対して接近
・離反自在に設けられており、このとき、前記上金型1
の成形面14の軸心11と上マウント2の回転中心であ
る軸心13との間にはm1 の距離が有り、また下金型4
の成形面15の軸心16と下マウント5の回転中心であ
る軸心12との間にはm2 の距離が有るものと仮定す
る。
The operation of claims 1 and 4 will be described with reference to FIGS. FIG. 1 is a sectional view showing the periphery of both upper and lower molds,
FIG. 2 shows loci when adjusting the axial center positions of the molding surfaces of the upper and lower molds. The upper mount 2 holding the upper mold 1 is rotatably held in the direction of arrow 7 by the upper base 3, and the lower mount 5 holding the lower mold 4 is held rotatably in the direction of arrow 8 by the movable shaft 6. At the same time, the lower die 4 is provided so as to move toward and away from the upper die 1 by the movement of the movable shaft 6 (in the direction of arrow 9).
There is a distance of m 1 between the axis 11 of the molding surface 14 and the axis 13 which is the center of rotation of the upper mount 2, and the lower mold 4
It is assumed that there is a distance of m 2 between the axis 16 of the molding surface 15 and the axis 12 that is the rotation center of the lower mount 5.

【0012】図2を用いて、芯合わせの原理を説明す
る。上金型1の成形面14の軸心11上に有る中心点を
aとする。また、下金型4の成形面15の軸心16上に
有る中心点をbとする。さらに、上マウント2の回転す
る軸心13と下マウント5の回転する軸心12の距離を
Lとする。
The principle of centering will be described with reference to FIG. A center point on the axis 11 of the molding surface 14 of the upper mold 1 is defined as a. Further, the center point of the molding surface 15 of the lower mold 4 on the axis 16 is represented by b. Further, the distance between the rotating shaft center 13 of the upper mount 2 and the rotating shaft center 12 of the lower mount 5 is L.

【0013】上金型1の成形面14の軸心(中心点)a
と下金型4の成形面15の軸心(中心点)bとを一致さ
せるためには、上金型1を軸心13を中心に矢印17の
方向へ角度θ1 だけ回転させ、かつ下型4を軸心12を
中心に矢印18の方向へ角度θ2 だけ回転させること
で、両成形面4,15の軸心a,bをc点上で一致させ
ることが可能になる。回転角θ1 ,θ2 は、下式により
求められる。 L≦m1 +m2 ・・・式(3) θ1 =cos-1((m1 2+L2 −m2 2)/(2・m1 ・L))・・式(1) θ2 =sin-1(m1 ・sinθ1 /m2 ) ・・・式(2)
Axial center (center point) a of the molding surface 14 of the upper mold 1.
In order to match the shaft center (center point) b of the molding surface 15 of the lower mold 4, the upper mold 1 is rotated about the shaft center 13 in the direction of the arrow 17 by an angle θ 1 , and By rotating the mold 4 about the shaft center 12 in the direction of the arrow 18 by an angle θ 2 , the shaft centers a and b of both molding surfaces 4 and 15 can be aligned on the point c. The rotation angles θ 1 and θ 2 are calculated by the following equations. L ≦ m 1 + m 2 ... Equation (3) θ 1 = cos −1 ((m 1 2 + L 2 −m 2 2 ) / (2 · m 1 · L)) Equation (1) θ 2 = sin −1 (m 1 · sin θ 1 / m 2 ) ... Formula (2)

【0014】そして、請求項2にあっては、回転用部材
に設けた目盛りを基準にして前記回転角θ1 ,θ2 だけ
上下両マウント2,5が回動され、固定手段により上下
両金型1,4は成形面14,15が一致された状態を維
持する。
In the second aspect, the upper and lower mounts 2 and 5 are rotated by the rotation angles θ 1 and θ 2 on the basis of the scale provided on the rotating member, and the upper and lower mounts are fixed by the fixing means. The molds 1 and 4 keep the molding surfaces 14 and 15 aligned.

【0015】また、請求項3にあっては、自動制御によ
り、前記回転角θ1 ,θ2 だけ上下両マウントが回動さ
れ、その後上下両マウントが固定される。
According to the third aspect of the invention, the upper and lower mounts are rotated by the rotation angles θ 1 and θ 2 by automatic control, and then the upper and lower mounts are fixed.

【0016】[0016]

【実施例】【Example】

[実施例1]図3は本発明の実施例1を示す断面図であ
る。以下、図3を用いて実施例1を説明する。上金型1
の外周には型加熱ヒータ20が設置されており、上金型
1は成形面14を下に向けた状態で、上マウント2に固
定ネジ19により保持されている。上マウント2は、プ
レス軸16に対して偏心した回転軸10を有しており、
この回転軸10の軸心13を中心にしてスラストベアリ
ング21,23とラジアルベアリング22とにより、矢
印27の方向へ回動自在に上ベース3に保持されてい
る。回転軸10の上端は上ベース2の上方に突出されて
おり、回転軸10の上端には角度目盛りの付いた回転軸
回転用のツマミ24が設けられている。
[Embodiment 1] FIG. 3 is a sectional view showing Embodiment 1 of the present invention. Example 1 will be described below with reference to FIG. Upper mold 1
A mold heater 20 is installed on the outer periphery of the upper mold 1, and the upper mold 1 is held by the fixing screw 19 on the upper mount 2 with the molding surface 14 facing downward. The upper mount 2 has a rotary shaft 10 that is eccentric with respect to the press shaft 16,
Thrust bearings 21 and 23 and a radial bearing 22 around the axis 13 of the rotary shaft 10 are rotatably held on the upper base 3 in the direction of arrow 27. The upper end of the rotary shaft 10 is projected above the upper base 2, and the rotary shaft 10 is provided with a knob 24 for rotating the rotary shaft with an angle scale.

【0017】上ベース3には、その側面から回転軸10
の外周面に到達するネジ孔26が設けられ、このネジ孔
26に回転軸10の回転を規制する固定ネジ25がねじ
込まれている。この上ベース3は、架台33上に設けた
側面壁28の上端部に設置されており、上ベース3と側
面壁28と架台33とで囲まれる空間により成形室29
が形成されている。
The upper base 3 has a rotary shaft 10 on its side surface.
A screw hole 26 reaching the outer peripheral surface of the rotary shaft 10 is provided, and a fixing screw 25 that restricts rotation of the rotary shaft 10 is screwed into the screw hole 26. The upper base 3 is installed at the upper end of the side wall 28 provided on the pedestal 33, and is formed by a space surrounded by the upper base 3, the side wall 28, and the pedestal 33.
Are formed.

【0018】下金型4は、上金型1と対向するように、
その成形面15を上に向けた状態で、下マウント5に固
定ネジ31により保持されるとともに、下金型4の外周
には、上金型1と同様に、型加熱ヒータ30が設置され
ている。下マウント5は、プレス軸16に対して偏心し
た可動軸(回転軸)6を有しており、この可動軸6を介
して架台33にボールリテーナーなどのガイド32によ
って上下動(矢印9の方向)かつ可動軸6の軸心12を
中心にして回動自在(矢印41の方向)に保持されてい
る。可動軸6の下端は架台33の下方に突出されてお
り、可動軸10の下端に歯幅の厚い歯車34が設けられ
ている。この歯車34には、架台33に回動自在に保持
された軸35に固着した歯幅の薄い歯車36が噛み合わ
されており、軸35には角度目盛りの付いた軸回転用の
ツマミ39が設けられている。前記歯車34の歯幅は、
下金型4の上下動範囲内において前記歯車36との噛み
合わせが外れない長さに設定されている。架台33には
軸35の外周面に到達するネジ孔37が設けられ、ネジ
孔37に軸35の回転を規制する固定ネジ38がねじ込
まれている。
The lower mold 4 faces the upper mold 1,
While holding the molding surface 15 upward, the lower mount 5 is held by a fixing screw 31, and a mold heater 30 is installed on the outer periphery of the lower mold 4 as in the upper mold 1. There is. The lower mount 5 has a movable shaft (rotary shaft) 6 which is eccentric with respect to the press shaft 16, and moves vertically (in the direction of arrow 9) by a guide 32 such as a ball retainer on a pedestal 33 via the movable shaft 6. ) And is rotatably held (in the direction of arrow 41) about the axis 12 of the movable shaft 6. A lower end of the movable shaft 6 projects below the pedestal 33, and a gear 34 having a large tooth width is provided at the lower end of the movable shaft 10. A gear 36 having a small tooth width fixed to a shaft 35 rotatably held on a frame 33 is meshed with the gear 34, and a shaft rotation knob 39 having an angle scale is provided on the shaft 35. Has been. The tooth width of the gear 34 is
The length is set so that the lower die 4 does not come out of mesh with the gear 36 within the vertical movement range. A screw hole 37 that reaches the outer peripheral surface of the shaft 35 is provided in the gantry 33, and a fixing screw 38 that restricts rotation of the shaft 35 is screwed into the screw hole 37.

【0019】次に、実施例1の作用を説明する。プレス
軸16に対して、上下両金型1,4の成形面14,15
の軸心(図1のa,bに相当)にズレが発生している場
合、ズレ量と偏心量(図1のLに相当)とから上下マウ
ント2,5の回転角度を前記式(1)、(2)により求
める。
Next, the operation of the first embodiment will be described. With respect to the press shaft 16, the molding surfaces 14, 15 of the upper and lower molds 1, 4
When a deviation occurs in the axis center of (corresponding to “a” and “b” in FIG. 1), the rotation angle of the upper and lower mounts 2, 5 is calculated from the formula (1 ), (2).

【0020】次に、固定ネジ25,38を緩めた後、ツ
マミ24およびツマミ39を回動させ、所定の角度(式
(1)、(2)により求めた角度)だけ、上マウント2
および下マウント5を回転させて上下両金型1,4の成
形面14,15の軸心を一致させる。回動後、再度、固
定ネジ25,38を締めて上下マウント2,5を固定さ
せ、調整を終了する。
Next, after loosening the fixing screws 25 and 38, the knob 24 and the knob 39 are rotated, and the upper mount 2 is rotated by a predetermined angle (the angle obtained by the equations (1) and (2)).
Then, the lower mount 5 is rotated to match the axes of the molding surfaces 14 and 15 of the upper and lower molds 1 and 4. After the rotation, the fixing screws 25 and 38 are tightened again to fix the upper and lower mounts 2 and 5, and the adjustment is completed.

【0021】本実施例によれば、ツマミ24,39に付
けられた目盛りを目安にして角度を合わせるので、上下
両金型1,4の成形面14,15の軸心合わせに際し
て、従来の測長器などの特殊な測定器が不要で、手作業
で容易に調整が可能となる。
According to the present embodiment, since the angles are matched with the scales attached to the knobs 24, 39 as a guide, the conventional measuring method is used when the axial centers of the molding surfaces 14, 15 of the upper and lower molds 1, 4 are aligned. No special measuring instruments such as long instruments are needed, and adjustments can be made easily by hand.

【0022】[実施例2]図4は本発明の実施例2を示
す断面図である。以下、図4を用いて実施例2を説明す
る。なお、実施例1と同じ構成部分については同一符号
を付し、その説明を省略する。上マウント2の回転軸1
0には、実施例1のツマミ24に代えて、歯車41が固
着されている。この歯車41には、上ベース3に設けた
モーターベース43に固設された保持(固定)機能付き
位置決め用モーター44に取り付けた歯車42が噛み合
わされており、位置決めモーター44の駆動により歯車
42を矢印45の方向に回動し、歯車41を介して回動
軸10を矢印27の方向に回動し得るようになってい
る。位置決め用モーター44には、ステッピングモータ
ーやブレーキ付サーボモーター、クラッチ付インダクシ
ョンモーターが用いられる。
[Second Embodiment] FIG. 4 is a sectional view showing a second embodiment of the present invention. The second embodiment will be described below with reference to FIG. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. Rotation axis 1 of upper mount 2
In place of the knob 24 of the first embodiment, a gear 41 is fixed to 0. A gear 42 mounted on a positioning motor 44 having a holding (fixing) function fixedly mounted on a motor base 43 provided on the upper base 3 is meshed with the gear 41, and the gear 42 is driven by the positioning motor 44. The rotary shaft 10 can be rotated in the direction of arrow 45 and the rotary shaft 10 can be rotated in the direction of arrow 27 via the gear 41. As the positioning motor 44, a stepping motor, a servo motor with a brake, or an induction motor with a clutch is used.

【0023】一方、可動軸6に設けた歯車34には、架
台33に固設した位置決め用モーター46に取り付けた
歯車47が噛み合わされており、位置決め用モーター4
6の駆動により歯車47を矢印40の方向に回動させ、
歯車34を介して可動軸6を矢印41の方向に回動し得
るようになっている。この位置決め用モーター46に
は、前記位置決め用モーター44と同様のものが用いら
れている。
On the other hand, the gear 34 provided on the movable shaft 6 is meshed with a gear 47 attached to a positioning motor 46 fixedly mounted on the pedestal 33.
6 drives the gear 47 to rotate in the direction of arrow 40,
The movable shaft 6 can be rotated in the direction of arrow 41 via the gear 34. As the positioning motor 46, the same one as the positioning motor 44 is used.

【0024】前記位置決め用モーター44および位置決
め用モーター46には、位置決め用モーター44,46
の回転量および回転方向を制御する外部コントローラー
48が接続されている。
The positioning motor 44 and the positioning motor 46 include the positioning motors 44 and 46.
An external controller 48 for controlling the rotation amount and the rotation direction of the is connected.

【0025】次に、本実施例の作用について説明する。
実施例1と同様に、上マウント2と下マウント5の回転
角度が求められた後、位置決め用モーター44,46を
外部コントローラー48により所定量だけ回動させ、上
下両マウント2,5を回転することで成形面14,16
の軸心の調整を行う。位置決め用モーター44,46に
は、モーター軸を保持しその回転を規制する機能を有す
るため、上下両マウント2,5を所定量だけ回転させた
後に上下両マウント2,5が回転することは無い。
Next, the operation of this embodiment will be described.
Similar to the first embodiment, after the rotation angles of the upper mount 2 and the lower mount 5 are obtained, the positioning motors 44 and 46 are rotated by a predetermined amount by the external controller 48 to rotate the upper and lower mounts 2 and 5. The molding surfaces 14, 16
Adjust the axis center of. Since the positioning motors 44 and 46 have a function of holding the motor shaft and restricting the rotation thereof, the upper and lower mounts 2 and 5 do not rotate after the upper and lower mounts 2 and 5 are rotated by a predetermined amount. .

【0026】本実施例によれば、外部コントローラー4
8を制御することで、自動的に上下両マウント2,5の
回転が可能となり、上下両金型1,4の成形面14,1
5の軸心合わせに際して、大幅な調整時間の削減が可能
となる。
According to this embodiment, the external controller 4
By controlling 8, the upper and lower mounts 2 and 5 can be automatically rotated, and the molding surfaces 14 and 1 of the upper and lower molds 1 and 4 can be automatically rotated.
It is possible to significantly reduce the adjustment time when aligning the 5th axis.

【0027】[0027]

【発明の効果】以上のように、本発明の請求項1〜4に
よれば、上金型および下金型を保持したそれぞれのマウ
ントを回転させて、上下両金型の軸心を合わせるように
したので、調整時に可動する箇所は全てベアリングを介
して動作するため、従来のようなスティックスリップ現
象は発生せず、スムーズで高精度な調整が可能となる。
また、調整時の作業箇所も従来に比べて大幅に少なく、
短時間で調整をすることが可能となる。
As described above, according to the first to fourth aspects of the present invention, the mounts holding the upper mold and the lower mold are rotated to align the axes of the upper and lower molds. Therefore, since all the movable parts during the adjustment work via the bearings, the stick-slip phenomenon unlike the conventional case does not occur, and the smooth and highly accurate adjustment can be performed.
Also, the number of work points during adjustment is significantly less than before,
It is possible to make adjustments in a short time.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の作用を説明するための断面図である。FIG. 1 is a cross-sectional view for explaining the operation of the present invention.

【図2】本発明の作用を説明するための説明図である。FIG. 2 is an explanatory diagram for explaining the operation of the present invention.

【図3】本発明の実施例1を示す断面図である。FIG. 3 is a cross-sectional view showing a first embodiment of the present invention.

【図4】本発明の実施例2を示す断面図である。FIG. 4 is a sectional view showing a second embodiment of the present invention.

【図5】従来技術を一部破断して示す平面図である。FIG. 5 is a plan view showing the prior art with a part thereof broken away.

【図6】従来技術を左半分破断して示す正面図である。FIG. 6 is a front view showing a conventional technique with its left half cut away.

【符号の説明】[Explanation of symbols]

1 上金型 2 上マウント 4 下金型 5 下マウント 6 可動軸 11 上金型成形面の軸心 12 下マウント回転軸の軸心 13 上マウント回転軸の軸心 14 上金型の成形面 15 下金型の成形面 16 下金型成形面の軸心 1 Upper mold 2 Upper mount 4 Lower mold 5 Lower mount 6 Movable shaft 11 Shaft center of upper mold molding surface 12 Shaft center of lower mount rotary shaft 13 Shaft center of upper mount rotary shaft 14 Molding surface of upper mold 15 Mold surface of lower mold 16 Shaft center of mold surface of lower mold

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 上下一対の金型と、前記一方の金型を保
持しこの金型の成形面の軸心に対して偏心した回転軸を
有する回転自在なマウントと、前記他方の金型を保持し
この金型の成形面の軸心に対して偏心した回転軸を有す
る回転自在かつ上下動自在なマウントと、前記回転軸を
中心に前記両マウントを個別に回転させる回転機構とを
備えたことを特徴とする芯出し機構を備えた光学素子成
形装置。
1. A pair of upper and lower molds, a rotatable mount holding the one mold and having a rotation shaft eccentric with respect to an axis of a molding surface of the mold, and the other mold. A rotatable and vertically movable mount having a rotating shaft that is held and eccentric with respect to the axis of the molding surface of the mold, and a rotating mechanism that individually rotates both mounts around the rotating shaft are provided. An optical element molding apparatus having a centering mechanism characterized by the above.
【請求項2】 前記回転機構は、両回転軸にそれぞれ設
けた目盛り付の回転用部材および前記両マウントの回転
を固定し得る手段からなることを特徴とする請求項1記
載の芯出し機構を備えた光学素子成形装置。
2. The centering mechanism according to claim 1, wherein the rotating mechanism comprises a rotating member with a scale provided on each of the rotating shafts and a means for fixing the rotation of the both mounts. Optical element molding equipment equipped.
【請求項3】 前記回転機構は、自動制御により前記両
マウントを回動かつその回転を固定する手段を有するこ
とを特徴とする請求項1記載の芯出し機構を備えた光学
素子成形装置。
3. The optical element molding apparatus with a centering mechanism according to claim 1, wherein the rotating mechanism has means for rotating the both mounts and fixing the rotation by automatic control.
【請求項4】 前記上下一対の金型のプレス軸は、一方
の金型の成形面の軸心に対して偏心した回転軸および他
方の金型の成形面の軸心に対して偏心した回転軸と平行
でかつ前記両回転軸の間に位置することを特徴とする請
求項1記載の芯出し機構を備えた光学素子成形装置。
4. The press shafts of the pair of upper and lower molds rotate about an axis of rotation that is eccentric to the axis of the molding surface of one mold and that about the axis of the molding surface of the other mold. The optical element molding apparatus having a centering mechanism according to claim 1, wherein the optical element molding apparatus is positioned parallel to an axis and between the both rotation axes.
JP259695A 1995-01-11 1995-01-11 Apparatus for forming optical element having center mechanism Withdrawn JPH08188426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP259695A JPH08188426A (en) 1995-01-11 1995-01-11 Apparatus for forming optical element having center mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP259695A JPH08188426A (en) 1995-01-11 1995-01-11 Apparatus for forming optical element having center mechanism

Publications (1)

Publication Number Publication Date
JPH08188426A true JPH08188426A (en) 1996-07-23

Family

ID=11533773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP259695A Withdrawn JPH08188426A (en) 1995-01-11 1995-01-11 Apparatus for forming optical element having center mechanism

Country Status (1)

Country Link
JP (1) JPH08188426A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006088461A (en) * 2004-09-22 2006-04-06 Ricoh Co Ltd Mold, molding member molding method, injection molding machine, molding member and image forming apparatus
JP2009119886A (en) * 2009-03-12 2009-06-04 Konica Minolta Holdings Inc Optical element molding apparatus
JP2009119885A (en) * 2009-03-12 2009-06-04 Konica Minolta Holdings Inc Optical element molding apparatus
JP2009167096A (en) * 2009-03-12 2009-07-30 Konica Minolta Holdings Inc Apparatus for molding optical element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006088461A (en) * 2004-09-22 2006-04-06 Ricoh Co Ltd Mold, molding member molding method, injection molding machine, molding member and image forming apparatus
JP2009119886A (en) * 2009-03-12 2009-06-04 Konica Minolta Holdings Inc Optical element molding apparatus
JP2009119885A (en) * 2009-03-12 2009-06-04 Konica Minolta Holdings Inc Optical element molding apparatus
JP2009167096A (en) * 2009-03-12 2009-07-30 Konica Minolta Holdings Inc Apparatus for molding optical element

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