JPH02117828U - - Google Patents
Info
- Publication number
- JPH02117828U JPH02117828U JP2643689U JP2643689U JPH02117828U JP H02117828 U JPH02117828 U JP H02117828U JP 2643689 U JP2643689 U JP 2643689U JP 2643689 U JP2643689 U JP 2643689U JP H02117828 U JPH02117828 U JP H02117828U
- Authority
- JP
- Japan
- Prior art keywords
- thread cutting
- lead screw
- fixed
- lead
- shaft
- 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.)
- Pending
Links
Landscapes
- Transmission Devices (AREA)
Description
第１図は本考案におけるねじ切り装置の一実施
例を示す部分平面図、第２図は第１図のＸ−Ｘ線
の部分縦断面図、第３図は第２図のＹ−Ｙ線の横
断面図、第４図は他の実施例の一部を示す部分縦
断面図、第５図は第４図のＺ−Ｚ線の横断面図で
あり、第６図及び第７図は、従来のねじ切り装置
の２つの形式の例を示す部分縦断面図である。
１……ねじ切り機構、２，１２……ねじ切り軸
、３，１３……リードスクリユ、３ａ，３ｂ及び
３ｃ……おねじ部、６ａ，６ｂ及び６ｃ……リー
ドナツト、７ａ，７ｂ及び７ｃ……摺動駒、８…
…リードスクリユーホルダ、８ａ……摺動溝、９
……締付片、１０……固定ボルト、１４……スト
ツパリング、１４ａ……割り目、１６……ストツ
パ固定ボルト。
Fig. 1 is a partial plan view showing an embodiment of the thread cutting device of the present invention, Fig. 2 is a partial vertical sectional view taken along the line X-X in Fig. 1, and Fig. 3 is a partial longitudinal sectional view taken along the line Y-Y in Fig. 2. 4 is a partial vertical sectional view showing a part of another embodiment, FIG. 5 is a cross sectional view taken along the Z-Z line in FIG. 4, and FIGS. 6 and 7 are: FIG. 2 is a partial vertical cross-sectional view showing two examples of conventional thread cutting devices. 1... Thread cutting mechanism, 2, 12... Thread cutting shaft, 3, 13... Lead screw, 3a, 3b and 3c... Male thread portion, 6a, 6b and 6c... Lead nut, 7a, 7b and 7c... Sliding Pieces, 8...
...Lead screw holder, 8a...Sliding groove, 9
...Tightening piece, 10... Fixing bolt, 14... Stopper ring, 14a... Split, 16... Stopper fixing bolt.
Claims (1)
ピツチで軸線方向に移動するねじ切り軸によつて
被加工物にねじ切り加工を行なうねじ切り装置に
おいて、所要の複数のピツチの夫々を有する複数
のおねじ部を順次形成したリードスクリユをねじ
切り軸に固定し、該リードスクリユの複数のおね
じ部の夫々に螺合するリードナツトを螺合し、該
リードナツトのそれぞれを必要に応じて該ねじ切
り機構の固定部分に固定するように構成したこと
を特徴とするねじ切り装置。 (2) 上記リードスクリユは、円筒の外面に複数
のおねじ部を順次形成したものである請求項１記
載のねじ切り装置。 (3) 上記ねじ切り軸は、スプライン軸であり、
リードスクリユの一端に固定したストツパリング
の割り目をストツパ固定ボルトによつて締め付け
てリードスクリユをねじ切り軸に固定するように
した請求項１又は２記載のねじ切り装置。 (4) 上記リードナツトのそれぞれに摺動駒を固
定し、この摺動駒はねじ切り機構の固定部分であ
り、リードスクリユ及びリードナツトを覆うリー
ドスクリユーホルダのリードスクリユの軸線に平
行に設けた摺動溝に挿入されており、必要とする
ピツチを有するリードナツトに固定した摺動駒を
締付片を介して固定ボルトを締め付けてリードナ
ツトをリードスクリユーホルダに固定するように
した請求項１乃至３記載のねじ切り装置。[Scope of Claim for Utility Model Registration] (1) A thread cutting device that cuts threads on a workpiece using a thread cutting shaft that is equipped with a thread cutting tool and moves in the axial direction at a required pitch while rotating, A lead screw having a plurality of male threads formed in sequence is fixed to a threaded shaft, a lead nut is screwed into each of the plurality of male threads of the lead screw, and each of the lead nuts is adjusted as necessary. A thread cutting device configured to be fixed to a fixed portion of the thread cutting mechanism. (2) The thread cutting device according to claim 1, wherein the lead screw has a plurality of male threads sequentially formed on the outer surface of a cylinder. (3) The above threaded shaft is a spline shaft,
3. The thread cutting device according to claim 1, wherein the lead screw is fixed to the thread cutting shaft by tightening a stopper fixing bolt through a split in a stopper ring fixed to one end of the lead screw. (4) A sliding piece is fixed to each of the above lead nuts, and this sliding piece is a fixed part of the thread cutting mechanism, and is placed in a sliding groove parallel to the axis of the lead screw of the lead screw holder that covers the lead screw and the lead nut. The thread cutter according to any one of claims 1 to 3, wherein the sliding piece is inserted and fixed to the lead nut having a required pitch, and the fixing bolt is tightened through the tightening piece to fix the lead nut to the lead screw holder. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2643689U JPH02117828U (en) | 1989-03-08 | 1989-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2643689U JPH02117828U (en) | 1989-03-08 | 1989-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02117828U true JPH02117828U (en) | 1990-09-20 |
Family
ID=31248056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2643689U Pending JPH02117828U (en) | 1989-03-08 | 1989-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02117828U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312696B2 (en) * | 1974-04-22 | 1978-05-02 | ||
| JPS551778U (en) * | 1978-06-20 | 1980-01-08 |
-
1989
- 1989-03-08 JP JP2643689U patent/JPH02117828U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312696B2 (en) * | 1974-04-22 | 1978-05-02 | ||
| JPS551778U (en) * | 1978-06-20 | 1980-01-08 |
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