JPH0423210U - - Google Patents
Info
- Publication number
- JPH0423210U JPH0423210U JP6517690U JP6517690U JPH0423210U JP H0423210 U JPH0423210 U JP H0423210U JP 6517690 U JP6517690 U JP 6517690U JP 6517690 U JP6517690 U JP 6517690U JP H0423210 U JPH0423210 U JP H0423210U
- Authority
- JP
- Japan
- Prior art keywords
- threaded rod
- scroll
- radial direction
- reverse thread
- chuck body
- 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
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16004—Jaws movement actuated by one or more spiral grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16045—Jaws movement actuated by screws and nuts or oblique racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/30—Chucks with four jaws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Description
第１図はこの考案の実施例を示す爪チヤツクの
斜視図、第２図は同上のＡ−Ａ線に沿つた断面図
、第３図は第１図のＢ−Ｂ線に沿つた断面図であ
る。
１……爪チヤツク、２……チヤツク本体、３，
３′，４，４′……爪、５……ねじ棒、６……ス
クロール盤、７……ベベルピニオン、８……逆Ｔ
字状溝、９……中間部が括れた溝、５０，５０′
……逆ねじ、５１，７１……キー溝、５２，７２
……キー。
Fig. 1 is a perspective view of a claw chuck showing an embodiment of this invention, Fig. 2 is a sectional view taken along line A-A of the same as above, and Fig. 3 is a sectional view taken along line B-B of Fig. 1. It is. 1...Claw chuck, 2...Chuck body, 3,
3', 4, 4'... pawl, 5... threaded rod, 6... scroll board, 7... bevel pinion, 8... inverted T
Shape groove, 9...groove with narrowed middle part, 50, 50'
... Reverse thread, 51, 71 ... Keyway, 52, 72
……Key.
Claims (1)
体と同心のスクロール盤と径方向ほぼ全長にわた
るねじ棒を互に干渉することなく定位置回転可能
に取り付け、前記ねじ棒には長さ方向の中心から
両側に逆ねじを設け、チヤツク本体に径方向移動
可能に設ける２対の対向爪のうち一方の対向爪を
前記ねじ棒の逆ねじにねじ係合させてねじ棒の回
転操作で接近・離反させ、他方の対向爪はスクロ
ール盤に噛合させてそのスクロール盤の回転操作
で接近又は離反させるようにした爪チヤツク。 A scroll disk concentric with the main body driven by a bevel pinion and a threaded rod extending almost the entire length in the radial direction are installed in the chuck body so that they can rotate in a fixed position without interfering with each other. A reverse thread is provided, and one of the two pairs of opposing claws provided on the chuck body so as to be movable in the radial direction is threadedly engaged with the reverse thread of the threaded rod, and the threaded rod is rotated to approach and separate, and the other The opposing claws are engaged with a scroll disc and can be moved toward or away from each other by rotating the scroll disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6517690U JPH0423210U (en) | 1990-06-20 | 1990-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6517690U JPH0423210U (en) | 1990-06-20 | 1990-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0423210U true JPH0423210U (en) | 1992-02-26 |
Family
ID=31596774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6517690U Pending JPH0423210U (en) | 1990-06-20 | 1990-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834467A (en) * | 2016-06-21 | 2016-08-10 | 北京灵铱科技有限公司 | Three-jaw-chuck type mechanical joint rapid assembling structure |
| CN109396727A (en) * | 2018-12-26 | 2019-03-01 | 孟令许 | A kind of positioning and guiding fixture mold of laser welding |
| CN110978307A (en) * | 2019-12-24 | 2020-04-10 | 南京宝凯通机械设备有限公司 | Fixing tool for lightweight milling of optical lens blank |
-
1990
- 1990-06-20 JP JP6517690U patent/JPH0423210U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834467A (en) * | 2016-06-21 | 2016-08-10 | 北京灵铱科技有限公司 | Three-jaw-chuck type mechanical joint rapid assembling structure |
| CN109396727A (en) * | 2018-12-26 | 2019-03-01 | 孟令许 | A kind of positioning and guiding fixture mold of laser welding |
| CN110978307A (en) * | 2019-12-24 | 2020-04-10 | 南京宝凯通机械设备有限公司 | Fixing tool for lightweight milling of optical lens blank |
| CN110978307B (en) * | 2019-12-24 | 2021-05-11 | 南京宝凯通机械设备有限公司 | Fixing tool for lightweight milling of optical lens blank |