JPS643608Y2 - - Google Patents
Info
- Publication number
- JPS643608Y2 JPS643608Y2 JP1985056983U JP5698385U JPS643608Y2 JP S643608 Y2 JPS643608 Y2 JP S643608Y2 JP 1985056983 U JP1985056983 U JP 1985056983U JP 5698385 U JP5698385 U JP 5698385U JP S643608 Y2 JPS643608 Y2 JP S643608Y2
- Authority
- JP
- Japan
- Prior art keywords
- workpiece
- rotating member
- centering
- main shaft
- main spindle
- 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
Links
Landscapes
- Gripping On Spindles (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、被加工物支持装置に関する。[Detailed explanation of the idea] (Industrial application field) The present invention relates to a workpiece support device.
（従来の技術）
被加工物支持装置としては、従来から、主軸の
内部に設けられた第１芯出し部材で被加工物の一
端部を支持し、この被加工物の他端部を第２芯出
し部材で支持した状態で、この被加工物を前記主
軸の駆動により回し部材を介して回転させるもの
が知られている（例えば実開昭50−109285号公報
参照）。(Prior Art) As a workpiece support device, conventionally, one end of the workpiece is supported by a first centering member provided inside the main shaft, and the other end of the workpiece is supported by a second centering member. It is known to rotate the workpiece supported by a centering member via a rotation member by driving the main shaft (see, for example, Japanese Utility Model Application Publication No. 109285/1985).
（考案が解決しようとする問題点）
しかしながら、上記従来の被加工物支持装置に
おいては、上記回し部材の係合部が、被加工物の
上記一端部に設けられた係合面に係合したときの
みに被加工物の回転駆動が可能となるため、主軸
の回転数が高い場合には係合が確実に行われない
欠点があつた。このため、被加工物の自動的な取
り付け設定が不可能であつた。(Problem to be solved by the invention) However, in the conventional workpiece support device, the engaging portion of the rotation member engages with the engaging surface provided at the one end of the workpiece. Since rotational drive of the workpiece is possible only at certain times, there is a drawback that engagement cannot be performed reliably when the rotational speed of the main shaft is high. For this reason, it has been impossible to automatically set the attachment of the workpiece.
そこで本考案は、自動的に被加工物を主軸によ
つて回転駆動が可能な状態に取り付け設定が可能
な被加工物支持装置を提供することを目的とする
ものである。 SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a workpiece support device that can automatically attach and set a workpiece in a state where it can be rotated by a main shaft.
（問題点を解決するための手段）
本考案は、主軸の内部に設けられた第１芯出し
部材で被加工物の一端部を支持し、該被加工物の
他端部を第２芯出し部材で支持した状態で、前記
主軸の駆動によりこの被加工物を回転させる被加
工物の支持装置において、前記主軸の端面に、該
主軸の軸と平行な方向に案内部材を突設し、この
案内部材に沿つて主軸の軸方向に移動可能に設け
られ、前記被加工物の前記一端部に部分的に設け
られた係合面と係合する係合部を有する円盤状の
被加工物の回し部材、この回し部材を前記第２芯
出し部材側へ付勢する付勢手段、前記回し部材の
前記第２芯出し部材側への移動量を規制し、該回
し部材を正規位置に位置付けるストツパ部材、前
記回し部材が前記ストツパ部材で規制した正規位
置にあるか否かを検知し、前記被加工物の係合面
が前記回し部材の係合部と係合されず、この回し
部材が前記被加工物に押されて、前記付勢手段の
付勢力に抗して移動し、前記正規位置にない状態
では、前記主軸を予備駆動させる信号を出力する
回し部材位置検出センサ、および上記回し部材位
置検出センサが主軸を予備駆動させる信号を出力
するときには、主軸駆動用モーターを加工の間の
高速回転に比して低速で回転する駆動制御回路を
備えたことを特徴とするものである。(Means for solving the problem) The present invention supports one end of the workpiece with a first centering member provided inside the spindle, and supports the other end of the workpiece with a second centering member. In a support device for a workpiece that rotates the workpiece by driving the main shaft while supported by a member, a guide member is provided on an end surface of the main shaft to protrude in a direction parallel to the axis of the main shaft, and the workpiece is supported by a member. A disk-shaped workpiece is provided movably in the axial direction of the main shaft along the guide member and has an engaging portion that engages with an engaging surface partially provided at the one end of the workpiece. a rotating member; a biasing means for urging the rotating member toward the second centering member; a stopper for regulating the amount of movement of the rotating member toward the second centering member and positioning the rotating member at a normal position; member, detects whether or not the rotating member is in the normal position regulated by the stopper member, and detects whether or not the engaging surface of the workpiece is not engaged with the engaging portion of the rotating member, and the rotating member is in the normal position regulated by the stopper member. a rotating member position detection sensor that is pushed by a workpiece and moves against the biasing force of the biasing means, and outputs a signal for pre-driving the main shaft when it is not in the normal position; and the rotating member The present invention is characterized in that it includes a drive control circuit that rotates the spindle drive motor at a lower speed than the high speed rotation during machining when the position detection sensor outputs a signal for pre-driving the spindle.
（考案の作用および効果）
上記したように、本考案の被加工物支持装置に
おいては、被加工物の係合面が回し部材の係合部
と係合されず、この回し部材が上記被加工物に押
されて、上記付勢手段の付勢力に抗して移動し、
正規位置にない状態では、回し部材位置検出セン
サが、これを検出するとともに、上記主軸を予備
駆動させる信号を出力する。この信号が出力され
ると、主軸の駆動手段であるモータは、該主軸を
例えば２分の１回転させるためにゆつくりと駆動
される。従つて、上記回し部材もゆつくりと回転
し、この結果この回し部材の係合部が被加工部材
の係合面に自動的に係合する。(Operations and Effects of the Invention) As described above, in the workpiece support device of the present invention, the engaging surface of the workpiece is not engaged with the engaging portion of the rotating member, and the rotating member is being pushed by an object and moving against the urging force of the urging means;
If the rotating member position is not in the normal position, the rotating member position detection sensor detects this and outputs a signal to pre-drive the main shaft. When this signal is output, the motor serving as the driving means for the main shaft is slowly driven to rotate the main shaft, for example, by one-half rotation. Therefore, the rotating member also rotates slowly, and as a result, the engaging portion of the rotating member automatically engages with the engaging surface of the workpiece.
以上によつて本考案の被加工物支持装置によれ
ば、手作業を必要とすることなく、自動的に被加
工物を主軸によつて回転駆動が可能な状態に取り
付け設定することができる。 As described above, according to the workpiece support device of the present invention, the workpiece can be automatically mounted and set in a state where it can be rotated by the main shaft without requiring manual work.
（実施例）
以下、添付図面を参照しつつ本考案の好ましい
実施例による被加工物支持装置について説明す
る。(Embodiment) Hereinafter, a workpiece support device according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.
第１図は、本考案の実施例による被加工物支持
装置の正面図であり、この第１図において符号１
は主軸を示す。この主軸１の対向側には、芯押し
台２が配置されている。上記主軸１の上記芯押し
台２側の端部の中央部には、空所３が設けられて
おり、この空所３には第１芯出し部材４が設けら
れている。この第１芯出し部材４は、図示しない
基台に固定されており、従つて固定の芯出し部材
となつている。上記芯押し台２は、上記主軸１に
対して離接できるように摺動可能となつており、
上記第１芯出し部材４に対向して、かつこの芯出
し部材４と同軸に設けられた第２芯出し部材５を
有している。 FIG. 1 is a front view of a workpiece support device according to an embodiment of the present invention, and in FIG.
indicates the main axis. A tailstock 2 is arranged on the opposite side of the main spindle 1. A space 3 is provided in the center of the end of the spindle 1 on the tailstock 2 side, and a first centering member 4 is provided in this space 3. This first centering member 4 is fixed to a base (not shown), and therefore serves as a fixed centering member. The tailstock 2 is slidable so as to be able to move toward and away from the main spindle 1,
A second centering member 5 is provided opposite to the first centering member 4 and coaxially with the centering member 4.
上記主軸１は、基台に回転可能に設けられてお
り、上記第１および第２芯出し部材４および５の
中心軸線のまわりに回転するようになつている。
この主軸１の上記心押し台２側の端面には、この
端面から該心押し台２側へ延びる案内部材６が設
けられている。この案内部材６には、回し部材７
が上記主軸１の軸方向に摺動可能に支持されてい
る。上記回し部材７は、第２図に示されているよ
うに、その芯押し台２側の端部に係合部８を備え
ている。この係合部８は、被加工物Ｗの端部を切
り欠いて形成した係合面WFに係合したとき、上
記回し部材７の回転が被加工物Ｗに伝達されるよ
うになつている。 The main shaft 1 is rotatably mounted on a base and rotates around the central axes of the first and second centering members 4 and 5.
A guide member 6 is provided on the end surface of the main spindle 1 on the tailstock 2 side, and extends from this end surface toward the tailstock 2 side. This guide member 6 includes a turning member 7.
is supported slidably in the axial direction of the main shaft 1. As shown in FIG. 2, the turning member 7 is provided with an engaging portion 8 at its end on the tailstock 2 side. When this engaging portion 8 engages with an engaging surface W F formed by cutting out the end of the workpiece W, the rotation of the rotating member 7 is transmitted to the workpiece W. There is.
上記主軸１は、ギヤトレイン９を介してモータ
１０により回転駆動されるようになつている。こ
のモータ１０は、駆動制御回路１１によつてその
回転駆動が制御されている。この駆動制御回路１
１は、被加工物Ｗの加工を行なう際には主軸１を
高速回転させられるようにモータ１０は高速回転
させ、あるいは後に説明する目的のため主軸１を
低速回転させるように、モータ１０を低速回転さ
せるようになつている。 The main shaft 1 is rotatably driven by a motor 10 via a gear train 9. The rotation of this motor 10 is controlled by a drive control circuit 11. This drive control circuit 1
1, the motor 10 is rotated at high speed so that the main shaft 1 can be rotated at high speed when processing the workpiece W, or the motor 10 is set at low speed so that the main shaft 1 can be rotated at a low speed for the purpose to be explained later. It is designed to rotate.
上記主軸１の上記芯押し台２側の端面と上記回
し部材７の間には、スプリング１２が設けられて
おり、このスプリング１２は、上記回し部材７を
上記芯押し台２側に付勢している。この回し部材
７のスプリング１２による芯押し台２側への移動
量を規制し、この回し部材７を正規位置に位置付
けるため、上記案内部材６の芯押し台２側の端部
には、ストツパ１３が形成されている。 A spring 12 is provided between the end surface of the spindle 1 on the tailstock 2 side and the rotating member 7, and this spring 12 urges the rotating member 7 toward the tailstock 2 side. ing. In order to restrict the amount of movement of the rotating member 7 toward the tailstock 2 by the spring 12 and to position the rotating member 7 at the normal position, a stopper 13 is provided at the end of the guide member 6 on the tailstock 2 side. is formed.
以上の構成において、被加工物Ｗを支持装置で
支持するには、まず受台Ｒに被加工物Ｗを載置し
た状態で該被加工物Ｗを上記第１および第２芯出
し部材４および５と同軸に配置される。次いで、
芯押し台２を主軸１側に移動させ、上記芯出し部
材４，５を被加工物Ｗのセンタ穴W1，W2に係合
させ、この芯出し部材４，５によつて被加工物Ｗ
を回転可能に支持する。このとき、回し部材７の
係合部８が被加工物Ｗの係合面WFにちようど係
合しているときには、主軸１を回転させれば、上
記回し部材７を介して被加工物Ｗを回転させるこ
とができるが、係合していない場合には、上記被
加工物Ｗの回転駆動を行なうことができない。ま
た、この非係合状態においては、回し部材７が被
加工物Ｗの端面で押されて、上記スプリング１２
の力に抗して左方に移動し、上記正規位置から外
れている。 In the above configuration, in order to support the workpiece W with the support device, first, the workpiece W is placed on the pedestal R, and the workpiece W is moved between the first and second centering members 4 and the support device. It is arranged coaxially with 5. Then,
The tail stock 2 is moved to the spindle 1 side, the centering members 4 and 5 are engaged with the center holes W 1 and W 2 of the workpiece W, and the centering members 4 and 5 are used to center the workpiece. W
rotatably supported. At this time, when the engaging portion 8 of the rotating member 7 is just engaged with the engaging surface W F of the workpiece W, when the main shaft 1 is rotated, the rotating member 7 Although the object W can be rotated, when the two are not engaged, the workpiece W cannot be rotationally driven. In addition, in this disengaged state, the rotating member 7 is pushed by the end surface of the workpiece W, and the spring 12
It moves to the left against the force of , and deviates from the above normal position.
そこで本考案においては、上記回し部材７が上
記正規装置にあるか否かを検出する検出装置２０
がこの回し部材７の近傍に設けられている。この
検出装置２０は、例えば近接スイツチで形成され
ており、上記駆動制御回路１１に接続されてお
り、上記回し部材７が上記正規位置にあるとき第
１信号S1を、この回し部材７が正規位置にないと
き第２信号S2をそれぞれ上記駆動制御回路１１に
出力する。この駆動制御回路１１は、上記第１信
号S1を受けたとき、上記モータ１０を被加工物Ｗ
の加工のために高速回転させる。一方、この駆動
制御回路１１は、上記第２信号S2を受けたとき、
モータ１０を低速で例えば1/2回転させる。する
と、主軸１ひいては回し部材７が低速で回転し、
この回し部材７の係合部８が被加工物Ｗの係合面
WFに一致した位置に来ると、上記スプリング１
２の作用により、上記係合部８が係合面WFに係
合するとともに、該回し部材７は、上述の正規位
置に復帰する。この後、上記検出装置２０は回し
部材７が正規位置にあることを検出して第１信号
S1を出力し、これによつてモータ１０を上記と同
様に高速回転させる。 Therefore, in the present invention, a detection device 20 for detecting whether or not the rotating member 7 is in the regular device is provided.
is provided near this rotating member 7. This detection device 20 is formed of, for example, a proximity switch, is connected to the drive control circuit 11, and sends a first signal S1 when the rotating member 7 is in the normal position. When they are not in the respective positions, a second signal S2 is outputted to the drive control circuit 11, respectively. When this drive control circuit 11 receives the first signal S1 , it controls the motor 10 to the workpiece W.
rotate at high speed for machining. On the other hand, when this drive control circuit 11 receives the second signal S2 ,
The motor 10 is rotated at low speed, for example, 1/2 turn. Then, the main shaft 1 and thus the turning member 7 rotate at a low speed,
The engaging portion 8 of this turning member 7 is the engaging surface of the workpiece W.
When it comes to the position corresponding to W F , the above spring 1
2, the engaging portion 8 engages with the engaging surface WF , and the rotating member 7 returns to the normal position described above. After this, the detection device 20 detects that the rotating member 7 is in the normal position and sends a first signal.
S1 is output, thereby causing the motor 10 to rotate at high speed in the same manner as above.
以上のように、本考案においては、回し部材の
係合部が被加工物の係合面と係合していないとき
であつても、それらを自動的に係合させることが
でき、被加工物の加工の自動化を図ることができ
る。 As described above, in the present invention, even when the engaging portion of the rotating member is not engaged with the engaging surface of the workpiece, it is possible to automatically engage the engaging portion of the rotating member with the engaging surface of the workpiece. It is possible to automate the processing of objects.
第１図は、本考案の実施例による被加工物支持
装置の正面図、第２図は、第１図の線−に沿
う断面図である。
１……主軸、２……芯押し台、４……第１芯出
し部材、５……第２芯出し部材、７……回し部
材、８……係合部、１０……モータ、１１……駆
動制御回路、１２……スプリング、１３……スト
ツパ、２０……検出装置、Ｗ……被加工物、WF
……係合面、W1，W2……センタ穴。
FIG. 1 is a front view of a workpiece support device according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along the line - in FIG. 1. DESCRIPTION OF SYMBOLS 1...Main shaft, 2...Tailstock, 4...First centering member, 5...Second centering member, 7...Rotating member, 8...Engaging portion, 10...Motor, 11... ... Drive control circuit, 12 ... Spring, 13 ... Stopper, 20 ... Detection device, W ... Workpiece, W F
... Engaging surface, W 1 , W 2 ... Center hole.
Claims (1)
工物の一端部を支持し、該被加工物の他端部を第
２芯出し部材で支持した状態で、前記主軸の駆動
によりこの被加工物を回転させる被加工物の支持
装置において、前記主軸の端面に、該主軸の軸と
平行な方向に案内部材を突設し、この案内部材に
沿つて主軸の軸方向に移動可能に設けられ、前記
被加工物の前記一端部に部分的に設けられた係合
面と係合する係合部を有する円盤状の被加工物の
回し部材、この回し部材を前記第２芯出し部材側
へ付勢する付勢手段、前記回し部材の前記第２芯
出し部材側への移動量を規制し、該回し部材を正
規位置に位置付けるストツパ部材、前記回し部材
が前記ストツパ部材で規制した正規位置にあるか
否かを検知し、前記被加工物の係合面が前記回し
部材の係合部と係合されず、この回し部材が前記
被加工物に押されて、前記付勢手段の付勢力に抗
して移動し、前記正規位置にない状態では、前記
主軸を予備駆動させる信号を出力する回し部材位
置検出センサ、および上記回し部材位置検出セン
サが主軸を予備駆動させる信号を出力するときに
は、主軸駆動用モーターを加工の間の高速回転に
比して低速で回転する駆動制御回路を備えた被加
工物支持装置。 With one end of the workpiece supported by a first centering member provided inside the main spindle, and the other end of the workpiece supported by a second centering member, the workpiece is driven by the main spindle. In a support device for a workpiece that rotates a workpiece, a guide member is provided on an end face of the main spindle in a direction parallel to the axis of the main spindle, and is provided so as to be movable in the axial direction of the main spindle along the guide member. a disk-shaped workpiece rotating member having an engaging portion that engages with an engaging surface partially provided at the one end of the workpiece; the rotating member being placed on the second centering member side; a stopper member that regulates the amount of movement of the rotating member toward the second centering member and positions the rotating member at a normal position; and a normal position of the rotating member regulated by the stopper member. The engaging surface of the workpiece is not engaged with the engaging part of the turning member, and the turning member is pushed by the workpiece, and the urging means is not applied. a rotating member position detection sensor that outputs a signal for pre-driving the main shaft when the rotating member moves against a force and is not in the normal position; and when the rotating member position detection sensor outputs a signal for pre-driving the main shaft; , a workpiece support device equipped with a drive control circuit that rotates the spindle drive motor at a lower speed than the high speed rotation during machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985056983U JPS643608Y2 (en) | 1985-04-17 | 1985-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985056983U JPS643608Y2 (en) | 1985-04-17 | 1985-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61172710U JPS61172710U (en) | 1986-10-27 |
| JPS643608Y2 true JPS643608Y2 (en) | 1989-01-31 |
Family
ID=30581097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985056983U Expired JPS643608Y2 (en) | 1985-04-17 | 1985-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643608Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328154Y2 (en) * | 1974-02-13 | 1978-07-15 |
-
1985
- 1985-04-17 JP JP1985056983U patent/JPS643608Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61172710U (en) | 1986-10-27 |
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