JPH071228Y2 - Assembly device for spring retainer and split cotter - Google Patents
Assembly device for spring retainer and split cotterInfo
- Publication number
- JPH071228Y2 JPH071228Y2 JP1975889U JP1975889U JPH071228Y2 JP H071228 Y2 JPH071228 Y2 JP H071228Y2 JP 1975889 U JP1975889 U JP 1975889U JP 1975889 U JP1975889 U JP 1975889U JP H071228 Y2 JPH071228 Y2 JP H071228Y2
- Authority
- JP
- Japan
- Prior art keywords
- cotter
- retainer
- split
- pressing member
- spring retainer
- 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
Landscapes
- Automatic Assembly (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案はエンジンのシリンダヘッドにおけるスプリング
リテーナ及び分割コッタの組付装置の改良に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an improvement of an assembly device for a spring retainer and a split cotter in a cylinder head of an engine.
（従来の技術） エンジンのシリンダヘッドにはバルブが配設され、これ
らバルブのステム部に分割コッタ及びスプリングリテー
ナを介してバルブスプリングが連結されて、バルブは常
時閉方向に弾発されていることは知られている。(Prior Art) A valve is arranged in a cylinder head of an engine, and a valve spring is connected to a stem portion of the valve through a split cotter and a spring retainer, so that the valve is always elastically closed. Is known.
前記スプリングリテーナ及び分割コッタを効率良くバル
ブステム部へ組付ける為に本出願人は、先に実開昭62−
11539号公報にてリテーナ及びコッタの組付装置を提案
した。In order to efficiently assemble the spring retainer and the split cotter to the valve stem portion, the applicant of the present invention has previously described the actual opening 62-
Japanese Patent No. 11539 proposes a retainer and cotter assembling device.
（考案が解決しようとする課題） しかし、上記組付装置は、無人で迅速にスプリングリテ
ーナ及び分割コッタをバルブステム部に組付けて作業能
率を大幅に向上させることが出来る反面、把持ミス、特
に分割コッタの一方が欠落している場合でもそのまま組
付作業を続け、結果、組付もれの発見が遅れる虞れがあ
る。(Problems to be solved by the invention) However, while the above-described assembly device can unmanned and quickly assemble the spring retainer and the split cotter to the valve stem portion, the work efficiency can be greatly improved. Even if one of the split cotters is missing, the assembling work is continued, and as a result, the discovery of the assembling omission may be delayed.
（課題を解決するための手段） 上記不都合を解決すべく本考案は、スプリングリテーナ
及び分割コッタの組付装置のコッタ検出ロッドをコッタ
押圧部材に遊嵌するとともに、本組付装置にロッド過前
進検知手段を備えたことを特徴とする。(Means for Solving the Problems) In order to solve the above-mentioned inconvenience, the present invention loosely fits the cotter detecting rod of the spring retainer and split cotter assembling device to the cotter pressing member, and the rod excessively advances to this assembling device. It is characterized in that a detection means is provided.
（作用） スプリングリテーナに嵌め合うべき分割コッタの少なく
とも１個の欠落していると、コッタ検出ロッドは残りの
コッタの脇を通って大きく前進し、このことをロッド過
前進検知手段が検知して、分割コッタの欠落を知らしめ
る。(Operation) When at least one of the split cotters to be fitted to the spring retainer is missing, the cotter detection rod advances largely by the side of the remaining cotters, and this is detected by the rod over-advancement detection means. , Notify that the split cotter is missing.
（実施例） 本考案の実施例を添付図面に基づいて以下に説明する。(Embodiment) An embodiment of the present invention will be described below with reference to the accompanying drawings.
第１図は本考案に係るスプリングリテーナ及び分割コッ
タの組付装置側面図である。FIG. 1 is a side view of an assembly device for a spring retainer and a split cotter according to the present invention.
スプリングリテーナ及び分割コッタの組付装置１（以
下、本組付装置と略す）は、図示せぬハンドリング機構
にて少なくとも昇降される移動ベースに連結された基台
３と、この基台にボルト止めされ下方へ延設された二重
円筒状のリテーナ押圧部材４と、このリテーナ押圧部材
内に嵌挿されている円筒状のコッタ押圧部材５と、この
コッタ押圧部材内に嵌挿されているコッタ検出ロッド６
と、前記リテーナ押圧部材の下方に基台３に設けられた
リテーナ把持部材７と、基台３の上面に取付けられたロ
ッド過前進検知手段10とからなる。The spring retainer and split cotter assembling device 1 (hereinafter, abbreviated as this assembling device) comprises a base 3 connected to a moving base that is at least moved up and down by a handling mechanism (not shown), and bolts to this base. And a downwardly extending double-cylindrical retainer pressing member 4, a cylindrical cotter pressing member 5 fitted and inserted in the retainer pressing member, and a cotter fitted and inserted in the cotter pressing member. Detection rod 6
And a retainer gripping member 7 provided on the base 3 below the retainer pressing member, and rod over-advancement detecting means 10 mounted on the upper surface of the base 3.
次に上記構成を詳述する。Next, the above configuration will be described in detail.
前記円筒上のリテーナ押圧部材４は図示する如くスプリ
ングリテーナＲの上面に当接し、リテーナ把持部材７と
協働してリテーナＲを把持する作用を為す。The cylindrical retainer pressing member 4 abuts the upper surface of the spring retainer R as shown in the figure, and cooperates with the retainer gripping member 7 to perform a function of gripping the retainer R.
円筒状のコッタ押圧部材５はスプリングS1で下方へ付勢
され、前進してリテーナＲの内周面に当接し、分割コッ
タC,Cの上面を押すとともに、コッタC,Cの上動を制限す
る作用を為す。The cylindrical cotter pressing member 5 is urged downward by the spring S1, moves forward and contacts the inner peripheral surface of the retainer R, presses the upper surfaces of the divided cotters C, C, and restricts the upward movement of the cotters C, C. Make the action.
コッタ検出ロッド６は、丸先な先端部6aを有し、途中に
バネ受け板6bを備え、後端に遮光部材6cを備えている。
バネ受け板6bにはバネS2が当接し、このバネS2によりコ
ッタ検出ロッド６は下方前進方向へ付勢されている。前
記遮光部材6cはロッド６の径より十分に大きく該ロッド
６の前進方向抜け止めの作用を為す。The cotter detection rod 6 has a rounded tip portion 6a, a spring receiving plate 6b in the middle, and a light blocking member 6c at the rear end.
A spring S2 is in contact with the spring receiving plate 6b, and the spring S2 biases the cotter detecting rod 6 in the downward direction. The light shielding member 6c is sufficiently larger than the diameter of the rod 6 and serves to prevent the rod 6 from coming off in the forward direction.
そして、コッタ検出ロッド６はコッタ押圧部材５にガタ
をもって嵌め込まれていることを特徴とする。The cotter detecting rod 6 is characterized by being fitted into the cotter pressing member 5 with some play.
また、リテーナ把持部材７はリテーナ押圧部材４の外周
面に摺動自在に嵌め合っている円筒状のスライド部材7a
と、このスライド部材にピン7bにて係止された揺動自在
な中間部材7cと、この中間部材の先端ビン7dにて押され
るとともにスライド部材7aにピン7eにて係止され揺動す
る把持爪7f,7fとからなる。The retainer gripping member 7 is a cylindrical slide member 7a slidably fitted on the outer peripheral surface of the retainer pressing member 4.
And a swingable intermediate member 7c locked to this slide member by a pin 7b, and a grip that is pushed by a tip bin 7d of this intermediate member and is locked by a slide member 7a by a pin 7e and swings. It consists of claws 7f and 7f.
このままではスライド部材7aが下方へ抜け落ちるので、
リテーナ押圧部材４にボルト止めされたチャックホルダ
3aとスライド部材7a側ピン7eとの間にバネS3を掛け渡
し、このバネにて常にスライド部材7aを上動せしめてい
る。If this is left as it is, the slide member 7a will fall out,
Chuck holder bolted to retainer pressing member 4
A spring S3 is bridged between the pin 3e and the slide member 7a side pin 7a, and the slide member 7a is always moved upward by this spring.
更に、前記中間部材7cの後端には基台３を貫通した押圧
ロッド8a,8aの先端が当接し、また押圧ロッド8a,8aの後
端は矩形プレート8bに臨んでいる。矩形プレート8bは移
動ベース２下面に下向きに取付けられたシリンダ8cのロ
ッド8d先端に固設されたものである。Further, the rear ends of the intermediate members 7c are in contact with the front ends of the pressing rods 8a, 8a penetrating the base 3, and the rear ends of the pressing rods 8a, 8a face the rectangular plate 8b. The rectangular plate 8b is fixed to the tip of a rod 8d of a cylinder 8c mounted downward on the lower surface of the moving base 2.
前記ロッド過前進検知手段10は、例えば第１図のＡ−Ａ
矢視図である第２図に示すように、基台３上面にビス止
めされた投光器10aと受光器10bとからなる所謂光電子ス
イッチであり、投光器10aから発せられた光線が遮光部
材6cには遮断されるがコッタ検出ロッド６には遮断され
ない位置に配置されている。The rod over-forward detection means 10 is, for example, AA in FIG.
As shown in FIG. 2 which is an arrow view, it is a so-called optoelectronic switch consisting of a light emitter 10a and a light receiver 10b screwed to the upper surface of the base 3, and a light beam emitted from the light emitter 10a is directed to the light shielding member 6c. It is arranged at a position where it is blocked but not blocked by the cotter detection rod 6.
以上の構成からなる本組付装置の作用を次に説明する。The operation of the assembling apparatus having the above structure will be described below.
第３図はスプリングリテーナと分割コッタとの分解斜視
図であり、先ずパレットＰの溝部P1にスプリングリテー
ナＲを嵌め合せ、且つスプリングリテーナに２分割され
たコッタC,Cを嵌め合せておく。FIG. 3 is an exploded perspective view of the spring retainer and the split cotter. First, the spring retainer R is fitted into the groove P1 of the pallet P, and the cotters C and C divided into two are fitted into the spring retainer.
そして、第４図（ａ）に示すように本組付装置１をパレ
ット上のリテーナＲ及びコッタC,Cに臨ませる。Then, as shown in FIG. 4 (a), the assembling apparatus 1 is made to face the retainer R and the cotters C, C on the pallet.
次にシリンダ8cを作動して押圧ロッド8a,8aを前進せし
めると、中間部材7a,7cが摺動し、把持爪7f,7fをピン7
e,7eを中心にして拡開せしめるとともに、スライド部材
7aがバネS3に抗して下方へ先進する。Next, when the cylinder 8c is actuated to move the pressing rods 8a, 8a forward, the intermediate members 7a, 7c slide and the grip claws 7f, 7f are moved to the pin 7
While expanding around e and 7e, slide member
7a advances downward against spring S3.
把持爪7f,7fをパレットの溝部P1へ下ろし、シリンダ8c
のロッド8dを後退せしめると、把持爪7f,7fは閉じてリ
テーナＲの鍔下面に当接するとともにバネS3の作用にて
スライド部材7aと一緒に把持爪7f,7fは後退する。Lower the grip claws 7f, 7f into the groove P1 on the pallet, and press the cylinder 8c.
When the rod 8d is retracted, the gripping claws 7f, 7f are closed and come into contact with the lower surface of the flange of the retainer R, and the gripping claws 7f, 7f are retracted together with the slide member 7a by the action of the spring S3.
把持爪7f,7fとともに後退するリテーナ上面R1にリテー
ナ押圧部材４先端が当り、またコッタC,C上面にコッタ
押圧部材５の先端及びコッタ検出ロッド６の先端部6aが
当接する。The tip of the retainer pressing member 4 contacts the retainer upper surface R1 that retracts together with the grip claws 7f, 7f, and the tips of the cotter pressing member 5 and the tip portion 6a of the cotter detecting rod 6 contact the upper surfaces of the cotters C, C.
特に、コッタ検出ロッド６は長めに構成されているの
で、大きく後退し、基台３上面から遮光部材6cが浮き上
がり、隙間CLを形成する。この隙間CLを投光器10aの光
線が通過する（第４図（ｂ））。In particular, since the cotter detection rod 6 is configured to be long, the cotter detection rod 6 is largely retracted, and the light shielding member 6c is lifted from the upper surface of the base 3 to form the clearance CL. The light beam of the projector 10a passes through this gap CL (Fig. 4 (b)).
本組付装置１をパレットＰから上方へ遠ざけるに際し、
ロッド過前進検知手段10の信号を図示せぬ警報器に入力
し始める。When moving the assembling apparatus 1 away from the pallet P,
A signal from the rod excessive advance detection means 10 is started to be input to an alarm device (not shown).
本組付装置１を第４図（ｂ）に示すシリンダヘッドの当
該バルブステム部Ｖまで移動し、下降即ち前進せしめ
る。The assembling apparatus 1 is moved to the valve stem portion V of the cylinder head shown in FIG. 4 (b), and is lowered or advanced.
前進するスプリングリテーナＲ及びコッタC,Cはバルブ
ステム部Ｖ先端によって貫通される。The forward spring retainer R and the cotters C, C are penetrated by the tip of the valve stem portion V.
次に、シリンダ8cを作動して把持爪7f,7fを拡開し、本
組付装置１を後退せしめるとリテーナＲはバルブスプリ
ングS4で弾発され押し戻され、結果第４図（ｃ）に示す
ように分割コッタC,Cがバルブステム部の環状溝V1に噛
合し、バルブステム部ＶへのリテーナＲ及び分割コッタ
C,Cの組付けを完了する。Next, when the cylinder 8c is operated to open the gripping claws 7f, 7f and retract the assembly device 1, the retainer R is elastically pushed and pushed back by the valve spring S4, and the result is shown in FIG. 4 (c). As described above, the split cotters C, C mesh with the annular groove V1 of the valve stem portion, and the retainer R and the split cotter to the valve stem portion V are provided.
Complete the assembly of C and C.
ところで、第４図（ａ）の状態において万一、コッタC,
Cの一方が欠落していたとすると、組付け不良等作業に
与える影響は大きい。By the way, in the case of FIG.
If one of C is missing, it will have a great effect on work such as improper assembly.
この場合、本組付装置１は第５図に示すように、コッタ
押圧部材５に遊嵌されているコッタ検出ロッド６は傾斜
しながらコッタＣの脇を通って、基台３に遮光部材6cを
当てるまで、大きく前進する。In this case, in the assembly apparatus 1, as shown in FIG. 5, the cotter detecting rod 6 loosely fitted to the cotter pressing member 5 is inclined and passes through the side of the cotter C, and the light shielding member 6c is attached to the base 3. Make a big step forward until you hit.
この遮光部材が投光器10aの光線を遮断するので受光機1
0bは入光が無くなり、これをもってコッタＣのセッティ
ングに異常ありと判断し、警報を発することが可能とな
る。This light-blocking member blocks the light beam from the projector 10a, so the receiver 1
With 0b, no light is received, and it can be judged that the setting of the cotter C is abnormal, and an alarm can be issued.
尚、ロッド過前進検知手段10は、本実施例に示す光電子
スイッチの他、レバー型リミットスイッチや近接スイッ
チでも良く、要はコッタ検出ロッド６の過前進を検出す
るものであればよい。The rod over-advancement detecting means 10 may be a lever-type limit switch or a proximity switch in addition to the optoelectronic switch shown in the present embodiment.
（考案の効果） 以上に述べた如く本考案はコッタ検出ロッドをコッタ押
圧部材に遊嵌するとともに、ロッド過前進検知手段を付
設するだけの簡単な構成によって、分割コッタの欠落を
迅速に発見でき、スプリングリテーナ及びコッタの組付
けの信頼性を向上せしめ、組付作業の能率を高めること
ができる。(Effects of the Invention) As described above, the present invention allows the cotter detection rod to be loosely fitted to the cotter pressing member, and a simple construction in which the rod over-advance detection means is simply attached to quickly find the lack of the split cotter. The reliability of assembling the spring retainer and the cotter can be improved, and the efficiency of the assembling work can be improved.
第１図は本考案に係るスプリングリテーナ及び分割コッ
タの組付装置側面図、 第２図は第１図のＡ−Ａ矢視図、 第３図はスプリングリテーナと分割コッタとの分解斜視
図、 第４図（ａ）〜（ｃ）及び第５図は作用説明図。 １……スプリングリテーナ及び分割コッタの組付装置 ３……基台 ４……リテーナ押圧部材 ５……コッタ押圧部材 ６……コッタ検出ロッド ７……リテーナ把持部材 10……ロッド過前進検知手段 Ｃ……分割コッタ Ｒ……スプリングリテーナFIG. 1 is a side view of a spring retainer and split cotter assembling device according to the present invention, FIG. 2 is a view taken along the line AA of FIG. 1, and FIG. 3 is an exploded perspective view of the spring retainer and split cotter. 4 (a) to (c) and FIG. 5 are operation explanatory views. 1 ...... Assembling device for spring retainer and split cotter 3 ...... Base 4 ...... Retainer pressing member 5 ...... Cotter pressing member 6 ...... Cotter detecting rod 7 ...... Retainer gripping member 10 ...... Rod over-advance detecting means C ...... Split cotter R ...... Spring retainer
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭48−94960（ＪＰ，Ａ) 実開 昭62−81529（ＪＰ，Ｕ) 実開 平１−125130（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-48-94960 (JP, A) Actually open 62-81529 (JP, U) Actually open 1-125130 (JP, U)
Claims (1)
ングリテーナを押圧する円筒状のリテーナ押圧部材を吊
設し、このリテーナ押圧部材内に下端面をもって分割コ
ッタを押圧する円筒状のコッタ押圧部材をスプリングに
抗して上動自在に嵌挿するとともに、前記コッタ押圧部
材内にその下部をもって分割コッタに当接するコッタ検
出ロッドを昇降自在に嵌挿し、更に上記基台に、該リテ
ーナ押圧部材の下方においてスプリングリテーナをその
周囲両側から把持するリテーナ把持部材を設けてなるス
プリングリテーナ及び分割コッタの組付装置において、 前記コッタ検出ロッドは、分割コッタの少なくとも１個
が欠落している際に傾斜して残りのコッタの脇を前進し
得るようにコッタ押圧部材に遊嵌されているとともに、 前記基台には、リテーナ把持部材に把持されているスプ
リングリテーナ及びこのリテーナに嵌まり込んでいる分
割コッタに当接する位置よりもコッタ検出ロッド先端が
大きく前進した際にコッタ検出ロッドを検出するロッド
過前進検知手段を備えたことを特徴とするスプリングリ
テーナ及び分割コッタの組付装置。1. A cylindrical retainer pressing member for pressing a spring retainer with a lower end surface is hung on a vertically movable base, and a cylindrical cotter pressing member for pressing a split cotter with a lower end surface is held in the retainer pressing member. A member is inserted into the cotter pressing member so as to be movable upward, and a cotter detecting rod whose lower portion abuts against the split cotter is vertically inserted into the cotter pressing member. Further, the retainer pressing member is attached to the base. In a device for assembling a spring retainer and a split cotter, which includes a retainer gripping member that grips a spring retainer from both sides around the spring retainer, the cotter detection rod is inclined when at least one split cotter is missing. And is loosely fitted to the cotter pressing member so as to be able to move forward on the side of the remaining cotter, and the base is Equipped with a rod over-advance detection means for detecting the cotter detection rod when the tip of the cotter detection rod is advanced far beyond the position where it contacts the spring retainer held by the tenor holding member and the split cotter fitted in this retainer. A device for assembling a spring retainer and a split cotter, characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975889U JPH071228Y2 (en) | 1989-02-22 | 1989-02-22 | Assembly device for spring retainer and split cotter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975889U JPH071228Y2 (en) | 1989-02-22 | 1989-02-22 | Assembly device for spring retainer and split cotter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02110440U JPH02110440U (en) | 1990-09-04 |
| JPH071228Y2 true JPH071228Y2 (en) | 1995-01-18 |
Family
ID=31235551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975889U Expired - Fee Related JPH071228Y2 (en) | 1989-02-22 | 1989-02-22 | Assembly device for spring retainer and split cotter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071228Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2816373B2 (en) * | 1990-10-18 | 1998-10-27 | 三菱自動車工業株式会社 | Assembling device for retainer cotter |
| JP5772746B2 (en) * | 2012-07-18 | 2015-09-02 | トヨタ自動車株式会社 | Retainer and valve spring mounting method and mounting tool |
| CN107709713B (en) * | 2015-10-26 | 2019-11-05 | 平田机工株式会社 | Assembling device and assemble method |
-
1989
- 1989-02-22 JP JP1975889U patent/JPH071228Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02110440U (en) | 1990-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6907802B2 (en) | Tool for detecting the release of energy | |
| JPH071228Y2 (en) | Assembly device for spring retainer and split cotter | |
| US5551620A (en) | Convertible contact/sequential trip trigger | |
| US4420899A (en) | Automatic pistol with combined magazine control safety and magazine ejection mechanism | |
| US3104395A (en) | Automatic nailer | |
| JP3200652B2 (en) | Electrode tip changer for welding gun | |
| US4313274A (en) | Firing pin safety device for hand firearms | |
| GB1590557A (en) | Hole sensing device for spike driver | |
| US4433459A (en) | High strength push type fastener | |
| US4458578A (en) | Trigger for an automatic firearm having a linear action breech block | |
| JPH03117584A (en) | Automatic tool exchanging device | |
| US4220061A (en) | Turning-tool mounting on a machine tool | |
| JP3144428B2 (en) | Robot chuck device | |
| JPH07158303A (en) | Solenoid for preventing falling of pallet of lifting-lowering type parking space | |
| JPH0637873Y2 (en) | Work clamp device | |
| JP2550871Y2 (en) | Attachment of driving machine | |
| CA2254578C (en) | Position detecting apparatus for forklifts | |
| JPH0915108A (en) | Test machine for umbrella | |
| JPH04204209A (en) | Work detector | |
| DE59300679D1 (en) | Point machine with a hydraulic actuating cylinder. | |
| JPH0632945Y2 (en) | Sheet pallet detector for industrial vehicles | |
| FR2535447A1 (en) | Percussion mechanism for pistol | |
| SU1625686A1 (en) | Gripping means for parts with an opening | |
| JPH02119500U (en) | ||
| JP3232957B2 (en) | Piston ring assembly device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |