JP3463265B2 - Lubrication structure of the nut for adjusting the thickness of the injection molding machine - Google Patents
Lubrication structure of the nut for adjusting the thickness of the injection molding machineInfo
- Publication number
- JP3463265B2 JP3463265B2 JP2001108600A JP2001108600A JP3463265B2 JP 3463265 B2 JP3463265 B2 JP 3463265B2 JP 2001108600 A JP2001108600 A JP 2001108600A JP 2001108600 A JP2001108600 A JP 2001108600A JP 3463265 B2 JP3463265 B2 JP 3463265B2
- Authority
- JP
- Japan
- Prior art keywords
- adjusting nut
- thickness adjusting
- mold thickness
- hole
- end plate
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/83—Lubricating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1751—Adjustment means allowing the use of moulds of different thicknesses
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、射出成形機の金型
厚さ調整ナットの給脂構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a greasing structure for a mold thickness adjusting nut of an injection molding machine.
【０００２】[0002]
【従来の技術】射出成形機の構造は通常、図８に示すよ
うなものが知られている。即ち、ベース１００上には、
射出装置１０１と金型装置１０２と型締装置１０３とが
設けられている。射出装置１０１はスクリュ移動手段１
０４と加熱シリンダ１０５を主体とし、金型装置１０２
は、二つの対向する固定金型１０６および可動金型１０
７が固定盤１０８と可動盤１０９にそれぞれ取り付けら
れて構成されている。なお、型締装置１０３はトグル駆
動手段１１０とトグル機構１１１とを備えたトグル式型
締機構から成り、可動盤１０９を固定盤１０８に対して
移動させて型締めおよび型開きを行うようになってい
る。また、トグル駆動手段１１０として、油圧シリンダ
を使用したものが示されているが、油圧シリンダに替え
て電動モータによりねじ軸とナットを介してトグル機構
を駆動するものが電動式射出成形機において採用されて
いる。2. Description of the Related Art The structure of an injection molding machine is generally known as shown in FIG. That is, on the base 100,
An injection device 101, a mold device 102, and a mold clamping device 103 are provided. The injection device 101 is the screw moving means 1
04 and the heating cylinder 105 as main components, and the mold device 102.
Are two opposed fixed molds 106 and movable molds 10.
7 are attached to a fixed plate 108 and a movable plate 109, respectively. The mold clamping device 103 is composed of a toggle type mold clamping mechanism including a toggle driving means 110 and a toggle mechanism 111, and moves the movable platen 109 with respect to the fixed platen 108 to perform mold clamping and mold opening. ing. Further, as the toggle drive means 110, one using a hydraulic cylinder is shown, but one using an electric motor instead of the hydraulic cylinder to drive a toggle mechanism via a screw shaft and a nut is adopted in an electric injection molding machine. Has been done.
【０００３】なお、トグル駆動手段１１０とトグル機構
１１１はエンドプレート１１２に設けられている。この
エンドプレート１１２は複数本のタイバー２を介して固
定盤１０８に結ばれており、タイバー２にはさらに可動
盤１０９が摺動自在に取り付けられている。トグル式型
締機構においては、型締完了状態時におけるエンドプレ
ート１１２と可動盤１０９との間の距離が常に一定とな
る。従って、使用対象となる金型の厚みの変化に対応し
て適確な型締動作を行なうためには、タイバー２の有効
長、即ち、固定盤１０８とエンドプレート１１２との間
の距離を変化させて型厚（固定盤１０８と可動盤１０９
との間の距離）を調整する必要がある。このため、トグ
ル式型締機構を備えた射出成形機では、エンドプレート
１１２の裏面に型厚調整ナット３を回転自在に取り付け
て固定盤１０８に固設されたタイバー２の先端を螺合さ
せ、型厚調整ナット３の回転によってタイバー２の有効
長を変化させて型厚を調整している。The toggle drive means 110 and the toggle mechanism 111 are provided on the end plate 112. The end plate 112 is connected to the fixed platen 108 via a plurality of tie bars 2, and a movable platen 109 is further slidably attached to the tie bar 2. In the toggle type mold clamping mechanism, the distance between the end plate 112 and the movable plate 109 is always constant when the mold clamping is completed. Therefore, in order to perform a proper mold clamping operation in response to a change in the thickness of the mold to be used, the effective length of the tie bar 2, that is, the distance between the fixed plate 108 and the end plate 112 is changed. Let the mold thickness (fixed plate 108 and movable plate 109
It is necessary to adjust the distance). Therefore, in an injection molding machine equipped with a toggle type mold clamping mechanism, the mold thickness adjusting nut 3 is rotatably attached to the back surface of the end plate 112, and the tip of the tie bar 2 fixed to the fixed plate 108 is screwed. Rotation of the mold thickness adjusting nut 3 changes the effective length of the tie bar 2 to adjust the mold thickness.
【０００４】前記トグル式型締機構における型厚調整機
構の一例を図９、図１０に示す。即ち、前記タイバー２
はエンドプレート１１２および固定盤１０８（図８参
照）の四隅に横設されるように配置され、エンドプレー
ト１１２の裏面の四隅（図１０参照）にはタイバー２の
端部に形成されたオネジ２ａと螺合する型厚調整ナット
３が、取付け板４により回転自在かつ軸方向に移動不能
に取り付けられている。なお、各型厚調整ナット３には
歯車等の動力伝達手段５が一体的に取り付けられてい
る。また、４つの動力伝達手段５はギヤードモータ等の
駆動源６により、駆動源６に取り付けられた駆動歯車７
および駆動歯車７と噛合う大径歯車８を介して同期回転
されるようになっている。そして、同期回転される動力
伝達手段５により各型厚調整ナット３が回転されてエン
ドプレート１１２がタイバー２の軸方向に移動し、前記
固定盤１０８とエンドプレート１１２との平行を保った
まま４本のタイバー２の有効長、即ち、固定盤１０８と
エンドプレート１１２との間の距離を変化させて型厚を
調整するようになっている。An example of the mold thickness adjusting mechanism in the toggle type mold clamping mechanism is shown in FIGS. 9 and 10. That is, the tie bar 2
Are arranged so as to be laterally installed at the four corners of the end plate 112 and the fixed platen 108 (see FIG. 8), and the male screw 2 a formed at the end of the tie bar 2 is provided at the four corners (see FIG. 10) of the back surface of the end plate 112. A mold thickness adjusting nut 3 that is screwed with is attached by a mounting plate 4 so as to be rotatable and immovable in the axial direction. A power transmission means 5 such as a gear is integrally attached to each mold thickness adjusting nut 3. Further, the four power transmission means 5 are driven by a drive source 6 such as a geared motor, and a drive gear 7 attached to the drive source 6.
Further, it is designed to be synchronously rotated via a large-diameter gear 8 that meshes with the drive gear 7. Then, each mold thickness adjusting nut 3 is rotated by the power transmission means 5 which is rotated synchronously, the end plate 112 is moved in the axial direction of the tie bar 2, and the fixing plate 108 and the end plate 112 are kept parallel to each other. The mold length is adjusted by changing the effective length of the tie bar 2 of the book, that is, the distance between the fixed platen 108 and the end plate 112.
【０００５】このような構成において、型厚調整ナット
３には型締反力を支えるための機能が要求され、エンド
プレート１１２と型厚調整ナット３との接触面には強力
な型締反力が作用して高い面圧が発生する。また、型厚
調整に際しては、型厚調整ナット３が円滑に回転できる
ようにする必要がある。そのため、エンドプレート１１
２および取付け板４と型厚調整ナット３との各接触面に
はグリース等の潤滑油を塗布する必要がある。In such a structure, the mold thickness adjusting nut 3 is required to have a function of supporting the mold clamping reaction force, and the contact surface between the end plate 112 and the mold thickness adjusting nut 3 has a strong mold clamping reaction force. Acts to generate high surface pressure. Further, when adjusting the mold thickness, it is necessary to allow the mold thickness adjusting nut 3 to rotate smoothly. Therefore, the end plate 11
It is necessary to apply lubricating oil such as grease to the contact surfaces between the mold plate 2 and the mounting plate 4 and the mold thickness adjusting nut 3.
【０００６】そして、各接触面に対する従来の給脂構造
は、図１１、図１３において示すように、エンドプレー
ト１１２および取付け板４の２個所（Ａ、Ｂ）から潤滑
油の供給を行う構成とされている。即ち、エンドプレー
ト１１２の給脂個所Ａから給脂された潤滑油は、エンド
プレート１１２内の給脂供給路１１２ａを通り型厚調整
ナット３の第１の段部３ｂの一方の側面部９に設けられ
た第１の油溝３ｄに供給され、前記一方の側面部９とエ
ンドプレート１１２の裏面の穴部１１２ｂの側面部１１
２ｃとが接する接面部１３を潤滑する。さらに、前記第
１の油溝３ｄに供給された潤滑油は第１の油溝３ｄと連
通する型厚調整ナット３の第１の段部３ｂに穿孔された
油孔３ｅを通り前記第１の段部３ｂの他方の側面部１０
と取付け板４の端面部４ａが接する接面部１４を潤滑す
る。なお、取付け板４の給脂個所Ｂから給脂された潤滑
油は、取付け板４内の油孔４ｂおよびリング状溝４ｃを
通り型厚調整ナット３の第２の段部３ｃの外周面部１２
と取付け板４の穴部４ｅとが接する接面部１５を潤滑す
る。即ち、図１２において示すように、給脂個所Ａから
型厚調整ナット３の第１の段部３ｂの一方の側面部９と
他方の側面部１０を潤滑し、給脂個所Ｂから型厚調整ナ
ット３の第２の段部３ｃの外周面部１２を潤滑する。As shown in FIGS. 11 and 13, the conventional greasing structure for each contact surface is such that the lubricating oil is supplied from two points (A, B) of the end plate 112 and the mounting plate 4. Has been done. That is, the lubricating oil lubricated from the greasing point A of the end plate 112 passes through the greasing supply passage 112a in the end plate 112 and reaches one side surface portion 9 of the first step portion 3b of the die thickness adjusting nut 3. The oil is supplied to the provided first oil groove 3d, and the side surface portion 9 of the one side surface portion 9 and the hole portion 112b on the back surface of the end plate 112.
Lubricate the contact surface portion 13 in contact with 2c. Further, the lubricating oil supplied to the first oil groove 3d passes through the oil hole 3e formed in the first step portion 3b of the die thickness adjusting nut 3 communicating with the first oil groove 3d, and the first oil groove 3e is formed. The other side surface portion 10 of the step portion 3b
Lubricate the contact surface portion 14 with which the end surface portion 4a of the mounting plate 4 contacts. The lubricating oil supplied from the greasing point B of the mounting plate 4 passes through the oil hole 4b and the ring-shaped groove 4c in the mounting plate 4, and the outer peripheral surface portion 12 of the second step portion 3c of the die thickness adjusting nut 3
Lubricate the contact surface portion 15 in contact with the hole 4e of the mounting plate 4. That is, as shown in FIG. 12, one side surface portion 9 and the other side surface portion 10 of the first step portion 3b of the mold thickness adjusting nut 3 are lubricated from the greasing point A and the greasing point B is used to adjust the mold thickness. Lubricate the outer peripheral surface portion 12 of the second step portion 3c of the nut 3.
【０００７】[0007]
【発明が解決しようとする課題】上記のように、従来の
型厚調整ナット３の給脂構造においては、給脂個所が複
数のため給脂装置に対する保全作業の煩わしさがあると
ともに、給脂装置を複数設けるため、コストアップにな
るという問題がある。As described above, in the conventional greasing structure of the mold thickness adjusting nut 3, since there are a plurality of greasing points, maintenance work for the greasing device is troublesome and the greasing operation is difficult. Since a plurality of devices are provided, there is a problem of increased cost.
【０００８】そこで、本発明は、給脂個所の削減を図る
ことにより、給脂装置に対する保全作業の煩わしさの解
消とコスト低減ができる射出成形機の型厚調整ナットの
給脂構造を提供することを課題とする。Therefore, the present invention provides a greasing structure for a mold thickness adjusting nut of an injection molding machine, which can eliminate the troublesome maintenance work for the greasing device and reduce the cost by reducing the greasing points. This is an issue.
【０００９】[0009]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、エンドプレートの裏面の穴部に取付け板
により回転自在に取り付けられた型厚調整ナットにおい
て、前記型厚調整ナットの前記エンドプレートの裏面の
穴部と嵌合する第１の段部における外周面部と前記エン
ドプレートの裏面の穴部との間に遊隙部を有するととも
に、前記第１の段部において前記エンドプレートの裏面
の穴部の側面部と接合する一方の側面部上に第１の油溝
を配設し、前記取付け板において前記型厚調整ナットの
第１の段部の他方の側面部と接合する端面部上に第２の
油溝を配設し、前記型厚調整ナットにおいて前記取付け
板の穴部と嵌合する第２の段部の外周面部上に第３の油
溝を前記第２の油溝と連通するように配設し、前記型厚
調整ナットの第１の油溝に臨むように潤滑油を供給する
ための給脂供給路を前記エンドプレートに配設したこと
を特徴とする（請求項１）。In order to solve the above problems, the present invention relates to a mold thickness adjusting nut rotatably mounted by a mounting plate in a hole on the back surface of an end plate. A clearance is provided between the outer peripheral surface portion of the first step portion that fits into the hole on the back surface of the end plate and the hole portion on the back surface of the end plate, and the end plate of the end plate is provided in the first step portion. An end face having a first oil groove disposed on one side surface portion that is joined to the side surface portion of the hole on the back surface and joined to the other side surface portion of the first step portion of the mold thickness adjusting nut in the mounting plate. And a second oil groove is formed on the outer peripheral surface of the second step portion of the die thickness adjusting nut that fits into the hole of the mounting plate. It is arranged so as to communicate with the groove, and The lubrication supply passage for supplying the lubricating oil so as to face the groove, characterized in that disposed in the end plate (claim 1).
【００１０】また、エンドプレートの裏面の穴部に取付
け板により回転自在に取り付けられた型厚調整ナットに
おいて、前記型厚調整ナットの前記エンドプレートの裏
面の穴部と嵌合する第１の段部における外周面部と前記
エンドプレートの裏面の穴部との間に遊隙部を有すると
ともに、前記第１の段部において前記エンドプレートの
裏面の穴部の側面部と接合する一方の側面部上に第１の
油溝を配設し、前記取付け板において前記型厚調整ナッ
トの第１の段部の他方の側面部と接合する端面部上に第
２の油溝を配設し、前記型厚調整ナットにおいて前記取
付け板の穴部と嵌合する第２の段部の外周面部上に第３
の油溝を前記第２の油溝と連通するように配設し、前記
遊隙部に臨むように潤滑油を供給するための給脂供給路
を前記エンドプレートに配設したことを特徴とする（請
求項２）。Further, in the mold thickness adjusting nut rotatably mounted in the hole on the back surface of the end plate by the mounting plate, the first step fitted with the hole on the back surface of the end plate of the mold thickness adjusting nut. Has a clearance between the outer peripheral surface of the end plate and the hole on the back surface of the end plate, and on one side surface portion that joins with the side surface of the hole on the back surface of the end plate in the first step portion. And a second oil groove is provided on an end surface portion of the mounting plate which is joined to the other side surface portion of the first step portion of the die thickness adjusting nut in the mounting plate. In the thickness adjusting nut, a third part is formed on the outer peripheral surface part of the second step part that fits into the hole part of the mounting plate.
Is arranged so as to communicate with the second oil groove, and a greasing supply passage for supplying lubricating oil so as to face the clearance is arranged in the end plate. (Claim 2).
【００１１】さらに、前記第１の油溝は、略円形状に連
続して形成された環状油溝と前記第１の段部の外径端部
から内方へ延設され前記環状油溝と少なくとも1カ所以
上において交差する略直線状油溝とから形成されている
ことを特徴とする（請求項３）。Further, the first oil groove is an annular oil groove formed continuously in a substantially circular shape and an annular oil groove extending inward from an outer diameter end of the first step portion. It is characterized by being formed of substantially linear oil grooves that intersect at at least one place (claim 3).
【００１２】また、本発明において、前記第２の油溝
は、前記第３の油溝と少なくとも1カ所以上において連
通する、型厚調整ナットの直径方向に向けられた略直線
状の溝から形成されていることを特徴とする（請求項
４）。Further, in the present invention, the second oil groove is formed of a substantially linear groove which is communicated with the third oil groove at least at one place and which is oriented in the diameter direction of the die thickness adjusting nut. (Claim 4).
【００１３】さらに、本発明において、前記第３の油溝
は、前記取付け板の穴部と嵌合する前記第２の段部の外
周面上の幅全体に形成されていることを特徴とする（請
求項５）。Furthermore, in the present invention, the third oil groove is formed over the entire width on the outer peripheral surface of the second step portion that fits into the hole portion of the mounting plate. (Claim 5).
【００１４】また、本発明において、前記型厚調整ナッ
トの前記エンドプレートの裏面の穴部と嵌合する段部に
おける外径と前記エンドプレートの裏面の穴部との間に
形成される遊隙は、約１ｍｍ〜２ｍｍであることを特徴
とする（請求項６）。Further, in the present invention, a play formed between the outer diameter of the stepped portion of the mold thickness adjusting nut fitted with the hole on the back surface of the end plate and the hole on the back surface of the end plate. Is about 1 mm to 2 mm (claim 6).
【００１５】[0015]
【発明の実施の形態】以下、図面により本発明の実施の
形態について説明する。図１乃至図６は本発明の第１の
実施の形態に係る射出成形機の型締装置における金型厚
さ調整ナットの給脂構造を示す。同図において、図１１
乃至図１３に示す従来の給脂構造と同じまたは相当部材
には同一符号を付して説明する。図１は型厚調整ナット
３の給脂に係る要部を示し、図２は図１における型厚調
整ナット部における給脂状態を示し、図３は型厚調整ナ
ット部の第１の油溝３ｄの形状を示し、図４および図５
は型厚調整ナット部の第３の油溝３ｆの一形状をそれぞ
れ示し、図６は取付け板４の端面部４ａにおける第２の
油溝４ｄの形状を示し、図７は図１における型厚調整ナ
ット部に供給する潤滑油の給脂口Ａの配置の他の例を示
すものである。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 6 show a greasing structure of a mold thickness adjusting nut in a mold clamping device of an injection molding machine according to a first embodiment of the present invention. In FIG.
The same or corresponding members as those of the conventional greasing structure shown in FIGS. FIG. 1 shows a main part related to greasing of the mold thickness adjusting nut 3, FIG. 2 shows a greasing state in the mold thickness adjusting nut part in FIG. 1, and FIG. 3 is a first oil groove of the mold thickness adjusting nut part. 3d shows the shape of FIG. 4 and FIG.
Shows the shape of the third oil groove 3f of the mold thickness adjusting nut portion, FIG. 6 shows the shape of the second oil groove 4d of the end face portion 4a of the mounting plate 4, and FIG. 7 shows the mold thickness in FIG. It shows another example of the arrangement of the greasing port A of the lubricating oil supplied to the adjusting nut portion.
【００１６】図１に示すように、前記エンドプレート１
１２の裏面の穴部１１２ｂには、ギア等の動力伝達手段
５がボルト等により一体的に取り付けられた該型厚調整
ナット３が、その第１の段部３ｂを嵌合されている。該
型厚調整ナット３は、前記エンドプレート１１２にボル
トで取付けた取付け板４の穴部４ｅに、第２の段部３ｃ
が嵌合されると共に、取付け板４の端面部４ａに側面部
１０を当接されて、軸方向に移動しないように、かつ、
タイバー２と同心の軸回りに回転するようにしてエンド
プレート１１２に支持されている。また、該型厚調整ナ
ット３の内径部のメネジ３ａにはタイバー２のオネジ２
ａ部が螺合されている。As shown in FIG. 1, the end plate 1
In the hole 112b on the back surface of the die 12, the mold thickness adjusting nut 3 to which the power transmission means 5 such as a gear is integrally attached by a bolt or the like is fitted in the first step portion 3b. The mold thickness adjusting nut 3 has a second step portion 3c in a hole portion 4e of a mounting plate 4 attached to the end plate 112 with a bolt.
And the side surface portion 10 is brought into contact with the end surface portion 4a of the mounting plate 4 so as not to move in the axial direction, and
It is supported by the end plate 112 so as to rotate about an axis that is concentric with the tie bar 2. Further, the female screw 3a on the inner diameter portion of the mold thickness adjusting nut 3 is attached to the male screw 2 of the tie bar 2.
The part a is screwed.
【００１７】前記エンドプレート１１２の裏面近傍の上
端部にはグリース等の潤滑油を供給するための給脂口Ａ
が配設されている。該給脂口Ａに外端部が連通する給脂
供給路１１２ａは、直角に折曲されてエンドプレート１
１２に孔明けされており、内端部が穴部１１２ｂの側面
部１１２ｃに開口し、型厚調整ナット３の第１の段部３
ｂの一方の側面部９に設けられた第1の油溝３ｄに臨む
ように形成されている。なお、該給脂口Ａの配設位置は
前記エンドプレート１１２の穴部１１２ｂの直上付近
（図７参照）としても良いし、あるいはエンドプレート
１１２のその他の場所に設けても良い。A greasing port A for supplying lubricating oil such as grease to the upper end near the back surface of the end plate 112.
Is provided. The greasing supply passage 112a whose outer end communicates with the greasing port A is bent at a right angle to form the end plate 1.
12, the inner end portion opens to the side surface portion 112c of the hole portion 112b, and the first step portion 3 of the mold thickness adjusting nut 3 is formed.
It is formed so as to face the first oil groove 3d provided on one side surface portion 9 of b. The greasing port A may be provided at a position immediately above the hole 112b of the end plate 112 (see FIG. 7), or may be provided at another place of the end plate 112.
【００１８】そして、前記型厚調整ナット３がエンドプ
レート１１２の裏面の穴部１１２ｂの側面部１１２ｃと
接する一方の側面部９上には、図３に示すように、型厚
調整ナット３と同心の略円形状に形成された環状油溝３
ｄ１および該環状油溝３ｄ１と少なくとも１箇所以上に
おいて交差する略直線状油溝３ｄ２からなる第１の油溝
３ｄが形成されている。前記略直線状油溝３ｄ２は、型
厚調整ナット３の直径方向に沿って前記第１の段部３ｂ
の外径端から内方へ延設されている。また、該型厚調整
ナット３がエンドプレート１１２の裏面の穴部１１２ｂ
と嵌合する第１の段部３ｂの外周面部１１における外径
寸法は、該穴部１１２ｂの内径との間に約１ｍｍ〜2ｍ
ｍの隙間（遊隙部）を有するようになされている。前記
隙間は射出成形機本体の大型、小型による大きさにも依
るが、約１ｍｍが好ましい。さらに、該型厚調整ナット
３が取付け板４の穴部４ｅと嵌合する第２の段部３ｃの
外周面部１２上には、該第２の段部３ｃの幅全体にわた
り第３の油溝３ｆが形成されている。なお、該第３の油
溝３ｆの形状例を図４および図５において示す。図４に
おける第３の油溝３ｆは、第２の段部３ｃの外周面部１
２上において、他方の側面部１０側の近傍位置と、該近
傍位置から型厚調整ナット３の軸方向に所定間隔離れた
第２の段部３ｃの外端部側（動力伝達手段５側）の位置
とに、それぞれ、型厚調整ナット３の回転軸と同一の中
心を有した２つの円周溝3ｆ1、3ｆ1を設けると共に、前
記２つの円周溝3ｆ1、3ｆ1に連通し、外周面部１２上の
円周方向全域にわたる螺旋溝3ｆ3を設けたものである。
また、図５における第３の油溝３ｆは、第２の段部３ｃ
の外周面部１２上において、他方の側面部１０側の近傍
に型厚調整ナット３の回転軸を中心とした円周溝３ｆ1
を設けると共に、該円周溝３ｆ1に連通し、それに直交
して第２の段部３ｃの幅全体にわたる略直線状溝３ｆ2
を型厚調整ナット３の周方向に略等間隔をあけて複数個
設けたものである。前記第３の油溝３ｆは後述の第２の
油溝４ｄと連通し、かつ該第２の段部３ｃの幅全体にわ
たって設けるものであれば、これらの形状に限る必要は
ない。Then, as shown in FIG. 3, the mold thickness adjusting nut 3 is concentric with the mold thickness adjusting nut 3 on one side surface portion 9 which is in contact with the side surface portion 112c of the hole 112b on the back surface of the end plate 112. Annular groove 3 formed in a substantially circular shape
A first oil groove 3d is formed of a substantially linear oil groove 3d2 that intersects d1 and the annular oil groove 3d1 at at least one location. The substantially linear oil groove 3d2 is formed along the diametrical direction of the mold thickness adjusting nut 3 by the first step portion 3b.
Is extended inward from the outer diameter end. In addition, the mold thickness adjusting nut 3 has a hole 112b on the back surface of the end plate 112.
The outer diameter of the outer peripheral surface portion 11 of the first step portion 3b that fits with the inner diameter of the hole portion 112b is about 1 mm to 2 m.
It has a gap of m (playing space). The gap is preferably about 1 mm, although it depends on the size of the main body of the injection molding machine and the size thereof. Further, a third oil groove is formed over the entire width of the second step portion 3c on the outer peripheral surface portion 12 of the second step portion 3c where the mold thickness adjusting nut 3 fits into the hole portion 4e of the mounting plate 4. 3f is formed. An example of the shape of the third oil groove 3f is shown in FIGS. 4 and 5. The third oil groove 3f in FIG. 4 corresponds to the outer peripheral surface portion 1 of the second step portion 3c.
On the upper side of the second side portion 10 on the other side of the second side portion 10 and the outer end portion side of the second step portion 3c (a power transmission means 5 side) which is separated from the neighboring position by a predetermined distance in the axial direction of the mold thickness adjusting nut 3. And the two circumferential grooves 3f1 and 3f1 having the same center as the rotation axis of the mold thickness adjusting nut 3, respectively, and are connected to the two circumferential grooves 3f1 and 3f1. The spiral groove 3f3 is provided over the entire area in the upper circumferential direction.
Further, the third oil groove 3f in FIG.
On the outer peripheral surface portion 12 of the mold, a circumferential groove 3f1 around the rotation axis of the mold thickness adjusting nut 3 is provided in the vicinity of the other side surface portion 10 side.
And a substantially linear groove 3f2 communicating with the circumferential groove 3f1 and extending orthogonally thereto over the entire width of the second step portion 3c.
A plurality of mold thickness adjusting nuts 3 are provided at substantially equal intervals in the circumferential direction. The third oil groove 3f is not limited to these shapes as long as the third oil groove 3f communicates with a second oil groove 4d described later and is provided over the entire width of the second step portion 3c.
【００１９】さらに、前記型厚調整ナット３をエンドプ
レート１１２の裏面の穴部１１２ｂに軸回りに回転自在
に、軸方向の移動を拘束して支持する取付け板４は、前
記穴部１１２ｂに嵌合する段部１７の端面部４ａ上に、
図６に示すように、前記第３の油溝３ｆと少なくとも１
箇所以上において連通する第２の油溝４ｄが、前記穴部
４ｅの直径方向に向けて略直線状に形成され、穴部４ｅ
の周方向に適宜間隔をあけて複数個配置されている。Further, the mounting plate 4 which supports the die thickness adjusting nut 3 in the hole 112b on the back surface of the end plate 112 so as to be rotatable about the axis and restrains the movement in the axial direction is fitted in the hole 112b. On the end surface portion 4a of the step portion 17 to be joined,
As shown in FIG. 6, the third oil groove 3f and at least one
The second oil groove 4d, which communicates at a place or more, is formed in a substantially straight line in the diameter direction of the hole 4e.
A plurality of them are arranged at appropriate intervals in the circumferential direction.
【００２０】次に、上記のように構成された射出成形機
の型厚調整ナットの給脂構造の作用について説明する。
図示されない自動給脂装置等から配管および管継手等を
介して給脂口Ａに圧送されたグリース等の潤滑油は、給
脂供給路１１２ａによって型厚調整ナット３の第１の段
部３ｂの一方の側面部９上に形成された第１の油溝３ｄ
内に導かれて、前記一方の側面部９とエンドプレート１
１２の裏面の穴部１１２ｂの側面部１１２ｃとが接する
接面部１３に供給される。Next, the operation of the greasing structure of the mold thickness adjusting nut of the injection molding machine configured as described above will be described.
Lubricating oil such as grease, which has been pressure-fed to the greasing port A from a not-shown automatic greasing device or the like through the pipe and the pipe joint, is supplied to the first step portion 3b of the mold thickness adjusting nut 3 by the greasing supply passage 112a. First oil groove 3d formed on one side surface portion 9
Being guided inside, the one side portion 9 and the end plate 1
It is supplied to the contact surface portion 13 in contact with the side surface portion 112c of the hole portion 112b on the back surface of 12.
【００２１】前記第１の油溝３ｄ内に導かれた潤滑油
は、前記油溝３ｄ内を満たすとともに、さらに自動給脂
装置等からの送圧力により前記型厚調整ナット３の第１
の段部３ｂの外形周面部１１とエンドプレート１１２の
裏面の穴部１１２ｂとの間に形成された遊隙部１６を通
り、エンドプレート１１２の裏面の穴部１１２ｂに嵌合
する取付け板４の段部１７の端面部４ａに形成された第
２の油溝４ｄへと導かれ、型厚調整ナット３の第１の段
部３ｂの他方の側面部１０と取付け板４の段部１７の端
面部４ａとが接する接面部１４に供給される。The lubricating oil introduced into the first oil groove 3d fills the oil groove 3d, and the first pressure of the mold thickness adjusting nut 3 is further supplied by a pressure sent from an automatic greasing device or the like.
Of the mounting plate 4 that fits into the hole 112b on the back surface of the end plate 112, passing through the clearance 16 formed between the outer peripheral surface portion 11 of the stepped portion 3b and the hole 112b on the back surface of the end plate 112. It is guided to the second oil groove 4d formed in the end surface portion 4a of the step portion 17, and the other side surface portion 10 of the first step portion 3b of the mold thickness adjusting nut 3 and the end surface of the step portion 17 of the mounting plate 4. It is supplied to the contact surface portion 14 in contact with the portion 4a.
【００２２】また、前記第２の油溝４ｄは型厚調整ナッ
ト３の第２の段部３ｃの外周面部１２上に形成された第
３の油溝３ｆと連通されているため、第２の油溝４ｄへ
導かれた潤滑油はさらに第３の油溝３ｆへと供給され、
型厚調整ナット３の第２の段部３ｃの外周面部１２と取
付け板４の穴部４ｅとが接する接面部１５に供給され
る。Since the second oil groove 4d communicates with the third oil groove 3f formed on the outer peripheral surface portion 12 of the second step portion 3c of the mold thickness adjusting nut 3, the second oil groove 4d is connected to the second oil groove 4d. The lubricating oil guided to the oil groove 4d is further supplied to the third oil groove 3f,
It is supplied to the contact surface portion 15 where the outer peripheral surface portion 12 of the second step portion 3c of the mold thickness adjusting nut 3 and the hole portion 4e of the mounting plate 4 are in contact with each other.
【００２３】上記のように給脂口Ａから供給された潤滑
油は、型厚調整ナット３が隣り合う他の構成部品との回
転接触面部を給脂する。即ち、図２において示すよう
に、給脂口Ａに圧送された潤滑油は、型厚調整ナット３
の一方の側面部９、他方の側面部１０および外周面部１
２に供給される。The lubricating oil supplied from the greasing port A as described above greases the rotary contact surface portion of the mold thickness adjusting nut 3 with other adjacent components. That is, as shown in FIG. 2, the lubricating oil pressure-fed to the greasing port A is not
One side surface portion 9, the other side surface portion 10 and the outer peripheral surface portion 1.
2 is supplied.
【００２４】以上、第１の実施の形態の型厚調整ナット
の給脂構造によれば、エンドプレート１１２の裏面近傍
の上端部に配設された給脂口Ａから供給された潤滑油
は、該型厚調整ナット３の第１の段部３ｂの一方の側面
部９とエンドプレート１１２の裏面の穴部１１２ｂの側
面部１１２ｃとが接する接面部１３に供給され、さらに
潤滑油は前記型厚調整ナット３の第１の段部３ｂの外形
周面部１１とエンドプレート１１２の裏面の穴部１１２
ｂとの間に形成された遊隙部１６を通り、エンドプレー
ト１１２の裏面の穴部１１２ｂに嵌合する取付け板４の
段部１７の端面部４ａと型厚調整ナット３の第１の段部
３ｂの他方の側面部１０とが接する接面部１４に供給さ
れ、さらに潤滑油は型厚調整ナット３の第２の段部３ｃ
の外周面部１２と取付け板４の穴部４ｅとが接する接面
部１５に供給されることにより、型厚調整ナット３が隣
り合う他の構成部品との回転接触面部に対する潤滑油の
供給を１箇所の給脂口Ａから行うことができる。As described above, according to the greasing structure of the mold thickness adjusting nut of the first embodiment, the lubricating oil supplied from the greasing port A arranged at the upper end near the back surface of the end plate 112 is The one side surface portion 9 of the first step portion 3b of the mold thickness adjusting nut 3 and the side surface portion 112c of the hole portion 112b on the rear surface of the end plate 112 are supplied to the contact surface portion 13, and the lubricating oil is further supplied with the above-mentioned mold thickness. The outer peripheral surface portion 11 of the first step portion 3b of the adjusting nut 3 and the hole portion 112 on the back surface of the end plate 112.
The first step of the mold thickness adjusting nut 3 and the end surface 4a of the step 17 of the mounting plate 4 which fits into the hole 112b on the back surface of the end plate 112 through the clearance 16 formed between The lubricating oil is supplied to the contact surface portion 14 in contact with the other side surface portion 10 of the portion 3b, and the lubricating oil is further supplied to the second step portion 3c of the mold thickness adjusting nut 3.
Is supplied to the contact surface portion 15 where the outer peripheral surface portion 12 and the hole portion 4e of the mounting plate 4 are in contact with each other, so that the mold thickness adjusting nut 3 supplies the lubricating oil to the rotary contact surface portion with other adjacent components at one location. It can be performed from the greasing port A.
【００２５】次に、給脂口Ａの配設位置をエンドプレー
ト１１２の裏面近傍の穴部１１２ｂの直上付近に設け、
該給脂口Ａに連通する給脂供給路１１２ｄが遊隙部１６
に臨むようにした型厚調整ナットの給脂構造における作
用について図７により説明する。なお、図２乃至図６に
示す構成は本発明の第２の実施の形態において同一とな
っている。Next, the position of the greasing port A is provided near the rear surface of the end plate 112 and immediately above the hole 112b.
The greasing supply passage 112d communicating with the greasing port A has a clearance portion 16
The action of the grease thickness adjusting nut in the greasing structure so as to face the above will be described with reference to FIG. The configurations shown in FIGS. 2 to 6 are the same in the second embodiment of the present invention.
【００２６】前記給脂口Ａに圧送された潤滑油は、給脂
供給路１１２ｄを経由し、型厚調整ナット３の第１の段
部３ｂの外形周面部１１とエンドプレート１１２の裏面
の穴部１１２ｂとの間に形成された遊隙部１６に直接供
給される。前記遊隙部１６内に供給された潤滑油は、該
遊隙部１６内を満たすとともに、エンドプレート１１２
の裏面に位置する型厚調整ナット３の第１の段部３ｂの
一方の側面部９上に形成された第１の油溝３ｄ内に導か
れて、前記一方の側面部９とエンドプレート１１２の裏
面の穴部１１２ｂの側面部１１２ｃとが接する接面部１
３に供給される。The lubricating oil pumped to the greasing port A passes through the greasing supply passage 112d, and the outer peripheral surface portion 11 of the first step portion 3b of the mold thickness adjusting nut 3 and the hole on the rear surface of the end plate 112. It is directly supplied to the play part 16 formed between the part 112b. The lubricating oil supplied into the clearance 16 fills the clearance 16 and the end plate 112.
Is guided to the inside of the first oil groove 3d formed on one side surface portion 9 of the first step portion 3b of the mold thickness adjusting nut 3 located on the back surface of the one side surface portion 9 and the end plate 112. Contact portion 1 in contact with the side surface portion 112c of the hole portion 112b on the back surface of the
3 is supplied.
【００２７】前記遊隙部１６内に供給された潤滑油は、
さらに自動給脂装置等からの送圧力によりエンドプレー
ト１１２の裏面の穴部１１２ｂに嵌合する取付け板４の
段部１７の端面部４ａに形成された第２の油溝４ｄへと
導かれ、型厚調整ナット３の第１の段部３ｂの他方の側
面部１０と取付け板４の段部１７の端面部４ａとが接す
る接面部１４に供給される。The lubricating oil supplied into the play 16 is
Further, it is guided to the second oil groove 4d formed in the end surface portion 4a of the step portion 17 of the mounting plate 4 which is fitted into the hole portion 112b on the back surface of the end plate 112 by the pressure sent from the automatic greasing device, It is supplied to the contact surface portion 14 where the other side surface portion 10 of the first step portion 3b of the mold thickness adjusting nut 3 and the end surface portion 4a of the step portion 17 of the mounting plate 4 are in contact with each other.
【００２８】なお、型厚調整ナット３の第２の段部３ｃ
の外周面部１２と取付け板４の穴部４ｅとが接する接面
部１５に対する潤滑油の供給は、先に記述した内容と同
様にして行われる。The second step 3c of the mold thickness adjusting nut 3
The lubricating oil is supplied to the contact surface portion 15 where the outer peripheral surface portion 12 and the hole portion 4e of the mounting plate 4 contact each other in the same manner as described above.
【００２９】以上、第２の実施の形態によれば、エンド
プレート１１２の裏面近傍の穴部１１２ｂの直上付近に
配設された給脂供給路１１２ｄから供給された潤滑油
が、先ず、型厚調整ナット３の第１の段部３ｂの外形周
面部１１とエンドプレート１１２の裏面の穴部１１２ｂ
との間に形成された遊隙部１６に供給され、その後、該
遊隙部１６内に供給された潤滑油は、型厚調整ナット３
の側面部９とエンドプレート１１２の裏面の穴部１１２
ｂの側面部１１２ｃとが接する接面部１３に供給される
と同時に、型厚調整ナット３の第１の段部３ｂの他方の
側面部１０と取付け板４の段部１７の端面部４ａとが接
する接面部１４にも供給され、さらに型厚調整ナット３
の第２の段部３ｃの外周面部１２と取付け板４の穴部４
ｅとが接する接面部１５へ供給されることにより、型厚
調整ナット３が隣り合う他の構成部品との回転接触面部
に対する潤滑油の供給を１箇所の給脂口Ａから行うこと
ができる。As described above, according to the second embodiment, the lubricating oil supplied from the greasing supply passage 112d arranged immediately above the hole 112b in the vicinity of the back surface of the end plate 112 is the first to have the mold thickness. The outer peripheral surface portion 11 of the first step portion 3b of the adjusting nut 3 and the hole portion 112b on the back surface of the end plate 112.
The lubricating oil supplied to the play space 16 formed between the mold space and the play space 16 is then supplied to the mold thickness adjusting nut 3
Holes 9 on the side surface 9 and the back surface of the end plate 112
While being supplied to the contact surface portion 13 in contact with the side surface portion 112c of b, the other side surface portion 10 of the first step portion 3b of the mold thickness adjusting nut 3 and the end surface portion 4a of the step portion 17 of the mounting plate 4 are provided. It is also supplied to the contact surface portion 14 that comes into contact, and further the mold thickness adjusting nut 3
The outer peripheral surface portion 12 of the second step portion 3c and the hole portion 4 of the mounting plate 4.
By supplying to the contact surface portion 15 which is in contact with e, the lubricating oil can be supplied to the rotary contact surface portion of the mold thickness adjusting nut 3 with another adjacent component from one greasing port A.
【００３０】[0030]
【発明の効果】以上詳細に説明したことから明らかなよ
うに、本発明は以下の効果を奏する。請求項１に係る型
厚調整ナットの給脂構造によれば、エンドプレートの裏
面近傍の上端部に前記型厚調整ナットの第１の油溝に臨
むように潤滑油を供給するための給脂供給路を配設し、
前記給脂供給路から供給された潤滑油は、先ず前記型厚
調整ナットの一方の側面部とエンドプレートの裏面の穴
部の側面部とが接する接面部に供給され、さらに前記型
厚調整ナットの第１の段部の外周面部とエンドプレート
の裏面の穴部との間の遊隙部を通り、取付け板の段部の
端面部と型厚調整ナットの第１の段部の他方の側面部と
が接する接面部に供給され、さらに、型厚調整ナットの
第２の段部の外周面部と取付け板の穴部とが接する接面
部に供給されることにより、型厚調整ナットが隣り合う
他の構成部品との回転接触面部に対する潤滑油の供給を
１箇所の給脂供給路から行うことができる。したがっ
て、給脂個所を１箇所としたことにより給脂装置に対す
る保全作業の煩わしさが軽減されるとともに、給脂装置
の設置コストも軽減できる。As is apparent from the above description, the present invention has the following effects. According to the greasing structure of the mold thickness adjusting nut according to claim 1, the greasing structure for supplying the lubricating oil to the upper end portion near the back surface of the end plate so as to face the first oil groove of the mold thickness adjusting nut. Arrange a supply path,
The lubricating oil supplied from the greasing supply passage is first supplied to the contact surface portion where one side surface portion of the mold thickness adjusting nut and the side surface portion of the hole on the back surface of the end plate contact each other, and further the mold thickness adjusting nut. Through the clearance between the outer peripheral surface of the first step and the hole on the back surface of the end plate, and the end surface of the step of the mounting plate and the other side surface of the first step of the mold thickness adjusting nut. Is supplied to a contact surface portion that is in contact with the mold thickness adjusting nut, and is further supplied to a contact surface portion that is in contact with the outer peripheral surface portion of the second step portion of the mold thickness adjusting nut and the hole portion of the mounting plate, so that the mold thickness adjusting nuts are adjacent to each other. Lubricating oil can be supplied to the rotary contact surface portion with other components from one greasing supply passage. Therefore, by having only one greasing point, the troublesome maintenance work for the greasing apparatus can be reduced, and the installation cost of the greasing apparatus can be reduced.
【００３１】請求項２に係る型厚調整ナットの給脂構造
によれば、エンドプレートの裏面近傍の穴部の直上付近
上に配設された給脂供給路から供給された潤滑油は、先
ず前記型厚調整ナットの第１の段部の外周面部とエンド
プレートの裏面の穴部との間の遊隙部に供給され、次い
で該遊隙部内に供給された潤滑油は、型厚調整ナットの
側面部とエンドプレートの裏面の穴部の側面部とが接す
る接面部に供給されると同時に型厚調整ナットの第１の
段部の他方の側面部と取付け板の段部の端面部とが接す
る接面部にも供給され、さらに、型厚調整ナットの第２
の段部の外周面部と取付け板の穴部とが接する接面部へ
供給されることにより、型厚調整ナットが隣り合う他の
構成部品との回転接触面部に対する潤滑油の供給を１箇
所の給脂供給路から行うことができる。したがって、給
脂個所を１箇所としたことにより給脂装置に対する保全
作業の煩わしさが軽減されるとともに、給脂装置の設置
コストも軽減できる。According to the greasing structure of the mold thickness adjusting nut according to the second aspect, the lubricating oil supplied from the greasing supply passage provided immediately above the hole near the back surface of the end plate is first supplied. The lubricating oil supplied to the clearance between the outer peripheral surface of the first step portion of the mold thickness adjusting nut and the hole on the back surface of the end plate, and then supplied to the clearance is the lubricating oil supplied to the mold thickness adjusting nut. Is supplied to the contact surface where the side surface of the mold and the side surface of the hole on the rear surface of the end plate contact each other, and at the same time, the other side surface of the first step of the mold thickness adjusting nut and the end surface of the step of the mounting plate. Is also supplied to the contact surface part where the
Is supplied to the contact surface where the outer peripheral surface of the step and the hole of the mounting plate are in contact with each other, so that the mold thickness adjusting nut supplies the lubricating oil to the rotary contact surface with other adjacent components at one location. It can be done from the fat supply channel. Therefore, by having only one greasing point, the troublesome maintenance work for the greasing apparatus can be reduced, and the installation cost of the greasing apparatus can be reduced.
【００３２】請求項３に係る型厚調整ナットの給脂構造
によれば、型厚調整ナットの第１の段部の一方の側面部
上に連続した環状油溝と該環状油溝と少なくとも1個所
以上において交差する略直線状油溝とから形成される第
１の油溝を設けたため、エンドプレートの裏面の穴部の
側面部と前記型厚調整ナットの第１の段部の一方の側面
部とが接する接面部の全体に給脂供給路から給脂される
潤滑油が行き渡り、該接面部が良好に潤滑されるので、
前記型厚調整ナットは円滑に回転できる。According to the greasing structure of the die thickness adjusting nut according to the third aspect, the annular oil groove continuous on one side surface of the first step portion of the die thickness adjusting nut, and the at least one annular oil groove. Since the first oil groove formed by the substantially linear oil grooves intersecting at the points or more is provided, the side surface portion of the hole on the back surface of the end plate and one side surface of the first step portion of the mold thickness adjusting nut. Since the lubricating oil supplied from the greasing supply passage is spread over the entire contact surface portion in contact with the portion, the contact surface portion is satisfactorily lubricated,
The mold thickness adjusting nut can rotate smoothly.
【００３３】請求項４に係る型厚調整ナットの給脂構造
によれば、取付け板が前記型厚調整ナットの第１の段部
の他方の側面部と接する側面部上に直径方向に向けられ
た略直線状の第２の油溝を前記型厚調整ナットの第２の
段部の外周面部上の第３の油溝に対し少なくとも1個所
以上において連通するように設けたため、前記型厚調整
ナットの第１の段部の他方の側面部と取付け板が前記第
１の段部の他方の側面部に接する側面部とが接する接面
部の全体が前記遊隙部から給脂される潤滑油により良好
に潤滑されるので、前記型厚調整ナットは円滑に回転で
きるとともに、前記型厚調整ナットの第２の段部の外周
面部上の第３の油溝に対して給脂することができる。According to the greasing structure of the die thickness adjusting nut according to the fourth aspect, the mounting plate is oriented in the diametrical direction on the side surface portion which is in contact with the other side surface portion of the first step portion of the die thickness adjusting nut. Since the substantially linear second oil groove is provided so as to communicate with at least one third oil groove on the outer peripheral surface of the second step portion of the mold thickness adjusting nut, the mold thickness adjusting nut Lubricating oil in which the entire contact surface portion where the other side surface portion of the first step portion of the nut and the side surface portion where the mounting plate contacts the other side surface portion of the first step portion are in contact with each other from the clearance portion Since the mold thickness adjusting nut can be smoothly rotated, it is possible to lubricate the third oil groove on the outer peripheral surface portion of the second step portion of the mold thickness adjusting nut. .
【００３４】請求項５に係る型厚調整ナットの給脂構造
によれば、前記型厚調整ナットの第２の段部の外周面部
上に第３の油溝を設けたため、前記型厚調整ナットの第
２の段部の外周面部と取付け板の穴部とが接する接面部
の全体が第２の油溝から給脂される潤滑油によりを潤滑
されるので、前記型厚調整ナットは一層円滑に回転でき
る。According to the greasing structure of the mold thickness adjusting nut according to the fifth aspect, since the third oil groove is provided on the outer peripheral surface of the second step portion of the mold thickness adjusting nut, the mold thickness adjusting nut is provided. Since the entire outer surface of the outer peripheral surface of the second step and the hole of the mounting plate contact each other is lubricated by the lubricating oil supplied from the second oil groove, the mold thickness adjusting nut is smoother. Can be rotated to.
【００３５】請求項６に係る型厚調整ナットの給脂構造
によれば、前記型厚調整ナットの第１の段部の外周面部
とエンドプレートの裏面の穴部との間に形成される遊隙
部の遊隙が約１ｍｍ〜２ｍｍであるため、該遊隙部に隣
接する油溝に対するグリース等の潤滑油が通り易くな
る。According to the greasing structure of the mold thickness adjusting nut according to the sixth aspect, there is a play formed between the outer peripheral surface of the first step portion of the mold thickness adjusting nut and the hole on the back surface of the end plate. Since the clearance of the clearance is about 1 mm to 2 mm, the lubricating oil such as grease easily passes through the oil groove adjacent to the clearance.
【図１】 本発明の一実施の形態に係る型厚調整ナット
の給脂構造を示す断面図である。FIG. 1 is a cross-sectional view showing a greasing structure of a mold thickness adjusting nut according to an embodiment of the present invention.
【図２】 同じく型厚調整ナット部における給脂状態を
示す断面図である。FIG. 2 is a sectional view showing a greasing state in the mold thickness adjusting nut portion as well.
【図３】 図２のＸ矢視図である。3 is a view on arrow X of FIG. 2. FIG.
【図４】 本発明の一実施の形態に係る型厚調整ナット
の第２の段部の外周面部に形成される油溝の一形状（第
３の油溝３ｆ）を示す図である。FIG. 4 is a diagram showing one shape of an oil groove (third oil groove 3f) formed on the outer peripheral surface of the second step portion of the mold thickness adjusting nut according to the embodiment of the present invention.
【図５】 同じく型厚調整ナットの第２の段部の外周面
部に形成される油溝の他の形状（第３の油溝３ｆ）を示
す図である。FIG. 5 is a view showing another shape (third oil groove 3f) of the oil groove formed on the outer peripheral surface of the second step portion of the mold thickness adjusting nut.
【図６】 図１における取付け板４のＹ矢視図である。6 is a Y arrow view of the mounting plate 4 in FIG. 1. FIG.
【図７】 図１における型厚調整ナット部に供給する潤
滑油の給脂口の配置の他の例を示す断面図である。FIG. 7 is a cross-sectional view showing another example of the arrangement of the greasing ports for the lubricating oil supplied to the mold thickness adjusting nut portion in FIG.
【図８】 トグル式型締機構を備えた射出成形機の側面
図である。FIG. 8 is a side view of an injection molding machine including a toggle type mold clamping mechanism.
【図９】 トグル式型締機構における型厚調整機構の要
部を一部断面で示した側面図である。FIG. 9 is a side view showing a partial cross section of a main part of a mold thickness adjusting mechanism in a toggle type mold clamping mechanism.
【図10】 図９のＺ矢視図である。FIG. 10 is a Z arrow view of FIG. 9.
【図11】 従来の射出成形機の型厚調整ナットの給脂構
造を示す断面図である。FIG. 11 is a sectional view showing a greasing structure of a mold thickness adjusting nut of a conventional injection molding machine.
【図12】 同じく型厚調整ナット部における給脂状態を
示す断面図である。FIG. 12 is a sectional view showing a greasing state in the mold thickness adjusting nut portion.
【図13】 図１２のＷ矢視図である。13 is a view on arrow W of FIG. 12.
112…エンドプレート、112ａ…給脂供給路、112ｂ…穴
部、112ｃ…側面部、112ｄ…給脂供給路、２…タイバ
ー、２ａ…オネジ、３…型厚調整ナット、３ａ…メネ
ジ、３ｂ…第1の段部、３ｃ…第２の段部、３ｄ…第1の
油溝、３ｅ…油孔、３ｆ…第３の油溝、４…取付け板、
４ａ…端面部、４ｂ…油孔、４ｃ…リング状溝、４ｄ…
第２の油溝、４ｅ…穴部、５…動力伝達手段、９…一方
の側面部、10…他方の側面部、11…外周面部、12…外周
面部、13…接面部、14…接面部、15…接面部、16…遊隙
部、17…段部、18…型厚調整機構、Ａ…給脂口、Ｂ…給
脂口112 ... End plate, 112a ... Grease supply passage, 112b ... Hole, 112c ... Side portion, 112d ... Grease supply passage, 2 ... Tie bar, 2a ... Male screw, 3 ... Mold thickness adjusting nut, 3a ... Female screw, 3b ... 1st step part, 3c ... 2nd step part, 3d ... 1st oil groove, 3e ... Oil hole, 3f ... 3rd oil groove, 4 ... Mounting plate,
4a ... End face part, 4b ... Oil hole, 4c ... Ring groove, 4d ...
Second oil groove, 4e ... Hole portion, 5 ... Power transmission means, 9 ... One side surface portion, 10 ... Other side surface portion, 11 ... Outer peripheral surface portion, 12 ... Outer peripheral surface portion, 13 ... Contact surface portion, 14 ... Contact surface portion , 15 ... contact surface part, 16 ... play part, 17 ... step part, 18 ... mold thickness adjusting mechanism, A ... greasing port, B ... greasing port
Claims (6)
により回転自在に取り付けられた型厚調整ナットにおい
て、前記型厚調整ナットの前記エンドプレートの裏面の
穴部と嵌合する第１の段部における外周面部と前記エン
ドプレートの裏面の穴部との間に遊隙部を有するととも
に、前記第１の段部において前記エンドプレートの裏面
の穴部の側面部と接合する一方の側面部上に第１の油溝
を配設し、前記取付け板において前記型厚調整ナットの
第１の段部の他方の側面部と接合する端面部上に第２の
油溝を配設し、前記型厚調整ナットにおいて前記取付け
板の穴部と嵌合する第２の段部の外周面部上に第３の油
溝を前記第２の油溝と連通するように配設し、前記型厚
調整ナットの第１の油溝に臨むように潤滑油を供給する
ための給脂供給路を前記エンドプレートに配設したこと
を特徴とする射出成形機の型厚調整ナットの給脂構造。1. A mold thickness adjusting nut rotatably mounted in a hole on the back surface of an end plate by a mounting plate, the first step engaging with a hole on the back surface of the end plate of the mold thickness adjusting nut. Has a clearance between the outer peripheral surface of the end plate and the hole on the back surface of the end plate, and on one side surface portion that joins with the side surface of the hole on the back surface of the end plate in the first step portion. And a second oil groove is provided on an end surface portion of the mounting plate which is joined to the other side surface portion of the first step portion of the die thickness adjusting nut in the mounting plate. In the thickness adjusting nut, a third oil groove is provided on the outer peripheral surface portion of the second step portion that fits into the hole of the mounting plate so as to communicate with the second oil groove, and the mold thickness adjusting nut is provided. The greasing supply passage for supplying lubricating oil so as to face the first oil groove of A greasing structure for a mold thickness adjusting nut of an injection molding machine, which is arranged on the end plate.
板により回転自在に取り付けられた型厚調整ナットにお
いて、前記型厚調整ナットの前記エンドプレートの裏面
の穴部と嵌合する第１の段部における外周面部と前記エ
ンドプレートの裏面の穴部との間に遊隙部を有するとと
もに、前記第１の段部において前記エンドプレートの裏
面の穴部の側面部と接合する一方の側面部上に第１の油
溝を配設し、前記取付け板において前記型厚調整ナット
の第１の段部の他方の側面部と接合する端面部上に第２
の油溝を配設し、前記型厚調整ナットにおいて前記取付
け板の穴部と嵌合する第２の段部の外周面部上に第３の
油溝を前記第２の油溝と連通するように配設し、前記遊
隙部に臨むように潤滑油を供給するための給脂供給路を
前記エンドプレートに配設したことを特徴とする射出成
形機の型厚調整ナットの給脂構造。2. A mold thickness adjusting nut rotatably attached to a hole on the back surface of an end plate by a mounting plate, the first step engaging with a hole on the back surface of the end plate of the mold thickness adjusting nut. Has a clearance between the outer peripheral surface of the end plate and the hole on the back surface of the end plate, and on one side surface portion that joins with the side surface of the hole on the back surface of the end plate in the first step portion. A first oil groove on the end face portion of the mounting plate that joins with the other side face portion of the first step portion of the mold thickness adjusting nut.
So that the third oil groove communicates with the second oil groove on the outer peripheral surface portion of the second step portion that fits into the hole of the mounting plate in the mold thickness adjusting nut. A greasing structure for a mold thickness adjusting nut of an injection molding machine, wherein a greasing supply passage for supplying lubricating oil so as to face the play portion is arranged on the end plate.
て形成された環状油溝と前記第１の段部の外径端部から
内方へ延設され前記環状油溝と少なくとも1個所以上に
おいて交差する略直線状油溝とから形成されていること
を特徴とする請求項１または２に記載の射出成形機の型
厚調整ナットの給脂構造。3. The first oil groove is an annular oil groove continuously formed in a substantially circular shape, and the first oil groove extends inward from an outer diameter end of the first stepped portion. 3. A greasing structure for a mold thickness adjusting nut of an injection molding machine according to claim 1 or 2, wherein the greasing structure is formed by intersecting substantially linear oil grooves at at least one place.
少なくとも1個所以上において連通する、型厚調整ナッ
トの直径方向に向けられた略直線状の溝から形成されて
いることを特徴とする請求項１〜３のいずれかに記載の
射出成形機の型厚調整ナットの給脂構造。4. The second oil groove is formed of a substantially linear groove which is in communication with the third oil groove at least at one location and which is oriented in the diametrical direction of the mold thickness adjusting nut. The greasing structure of the mold thickness adjusting nut of the injection molding machine according to any one of claims 1 to 3.
部と嵌合する前記第２の段部の外周面上の幅全体に形成
されていることを特徴とする請求項１〜４のいずれかに
記載の射出成形機の型厚調整ナットの給脂構造。5. The third oil groove is formed over the entire width on the outer peripheral surface of the second step portion that fits into the hole portion of the mounting plate. 4. The greasing structure of the mold thickness adjusting nut of the injection molding machine according to any one of 4 above.
ートの裏面の穴部と嵌合する段部における外径と前記エ
ンドプレートの裏面の穴部との間に形成される遊隙は、
約１ｍｍ〜２ｍｍであることを特徴とする請求項１〜５
のいずれかに記載の射出成形機の型厚調整ナットの給脂
構造。6. The clearance formed between the outer diameter of the stepped portion of the mold thickness adjusting nut that fits into the hole on the back surface of the end plate and the hole on the back surface of the end plate,
It is about 1 mm to 2 mm, and it is characterized in that
4. A greasing structure for a mold thickness adjusting nut of the injection molding machine according to any one of 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001108600A JP3463265B2 (en) | 2001-04-06 | 2001-04-06 | Lubrication structure of the nut for adjusting the thickness of the injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001108600A JP3463265B2 (en) | 2001-04-06 | 2001-04-06 | Lubrication structure of the nut for adjusting the thickness of the injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002307514A JP2002307514A (en) | 2002-10-23 |
| JP3463265B2 true JP3463265B2 (en) | 2003-11-05 |
Family
ID=18960706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001108600A Expired - Fee Related JP3463265B2 (en) | 2001-04-06 | 2001-04-06 | Lubrication structure of the nut for adjusting the thickness of the injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3463265B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228006A (en) * | 2013-06-10 | 2014-12-24 | 发那科株式会社 | sliding bearing of injection molding machine |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320087A (en) * | 2011-09-06 | 2012-01-18 | 凡嘉科技（无锡）有限公司 | Slide block pressing strip structure |
| JP5766673B2 (en) * | 2012-09-11 | 2015-08-19 | 住友重機械工業株式会社 | Injection molding machine |
| AT14594U1 (en) * | 2014-09-04 | 2016-02-15 | Engel Austria Gmbh | Closing unit for a molding machine |
| JP7434034B2 (en) | 2020-03-31 | 2024-02-20 | 住友重機械工業株式会社 | Injection molding machine |
| CN112810093A (en) * | 2021-02-18 | 2021-05-18 | 泰瑞机器股份有限公司 | Toggle rod type injection molding machine mould clamping mechanism |
| CN115971965B (en) * | 2022-12-30 | 2023-12-19 | 淮阴工学院 | Lubricating device for machine tool machining fixture |
-
2001
- 2001-04-06 JP JP2001108600A patent/JP3463265B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228006A (en) * | 2013-06-10 | 2014-12-24 | 发那科株式会社 | sliding bearing of injection molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002307514A (en) | 2002-10-23 |
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