CN201579420U - Automatic-positioning lathe main shaft structure - Google Patents
Automatic-positioning lathe main shaft structure Download PDFInfo
- Publication number
- CN201579420U CN201579420U CN2009203174885U CN200920317488U CN201579420U CN 201579420 U CN201579420 U CN 201579420U CN 2009203174885 U CN2009203174885 U CN 2009203174885U CN 200920317488 U CN200920317488 U CN 200920317488U CN 201579420 U CN201579420 U CN 201579420U
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- CN
- China
- Prior art keywords
- main shaft
- conical sleeve
- external conical
- sleeve
- 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.)
- Expired - Fee Related
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Abstract
An automatic-positioning lathe main shaft structure relates to a lathe component, and comprises a main shaft, a drive plate and a positioning device, wherein the main shaft is a shaft-shaped element with an inner taper hole, the positioning device comprises an outer tapered sleeve, a top spivot and a spring, the outer tapered sleeve is a shaft-shaped element with a boss, the outer tapered sleeve comprises a sleeve shaft portion with a step inner hole and a projection portion with a groove, the top spivot comprises a center portion and a step shaft, the outer taper sleeve and the inner taper hole of the main shaft are matched and connected with a main shaft through a draw rod, the sleeve shaft portion is arranged in the inner tapered hole of the main shaft, the projection portion is projected outside the inner taper hole and fixedly connected with a drive plate, the step shaft of the top spivot is mounted in the inner hole of the outer taper sleeve, the center portion of the top spivot is mounted in the groove of the outer taper sleeve, the top spivot can move left and right in the outer spivot, and the spring which is sleeved on the step shaft in the outer taper sleeve forms an elastic thimble structure. The lathe machine shaft structure with the structure can improve automatic degree of a lathe, and improves working efficiency.
Description
[technical field]
The utility model relates to a kind of turned part, particularly a kind of lathe spindle structure of location automatically that realizes.
[background technology]
At present, no matter be numerically controlled lathe or engine lathe, the clamping structure of lathe spindle front end is generally as described below, there is a joint main shaft to be provided with external screw thread at front-end of spindle, be provided with externally threaded main shaft and be used for installing dial, chuck is connected with main shaft by dial, and the main shaft endoporus is that taper hole is used to install thimble, thimble is positioned in the axis hole of workpiece, and chuck is in order to clamping work pieces.There is following shortcoming in this main axle structure: main shaft can not be located automatically and fast, and the time of clamping workpiece is long, and the stability and the accuracy of location workpiece are poor.Therefore be difficult to process high-precision product with this lathe.
[utility model content]
The lathe spindle structure of the automatic location that the purpose of this utility model provides a kind of automaticity that can further improve and improve lathe, increases work efficiency, flexibility is good.
The technical scheme that the utility model adopts for achieving the above object is: a kind of lathe spindle structure of automatic location, this lathe spindle adopts variable-frequency motor to drive, main axle structure comprises main shaft, dial, positioner, described main shaft is the axle linear element that has an internal taper hole, described positioner comprises external conical sleeve, tail spindle and spring, described external conical sleeve is the axle linear element of a band convex, external conical sleeve comprises the cover axial region of band ladder endoporus and the protuberance of band groove, described tail spindle comprises top tip part and multidiameter, the internal taper hole of external conical sleeve and main shaft cooperates and is connected with main shaft by pull bar, the cover axial region is arranged in the internal taper hole of main shaft, and that protuberance protrudes in internal taper hole is outer and fixedly connected with dial, the multidiameter of tail spindle is installed in the external conical sleeve endoporus, the top tip part of tail spindle is installed in the groove of external conical sleeve, tail spindle can be in external conical sleeve move left and right, the spring of encapsulation on multidiameter forms the elastic top needle construction in the external conical sleeve.
The ladder endoporus of wherein said external conical sleeve is provided with internal thread near pull bar one side, and described pull bar one end is fixedlyed connected with main shaft by nut, and the pull bar other end is connected with the internal thread of described external conical sleeve ladder endoporus by the external screw thread that is arranged on the pull bar.
The multidiameter both sides of wherein said tail spindle are respectively equipped with limited impression, and corresponding limited impression place is provided with the stop screw that cooperates with limited impression on the external conical sleeve.
Owing to adopt said structure, the lathe spindle structure of location automatically of the utility model has following beneficial effect:
1, can further improve and improve lathe automaticity, increase work efficiency, flexibility is good
The lathe spindle structure of the location automatically of the utility model is owing to be provided with the elastic top needle construction, tail spindle in the location during workpiece because the effect tail spindle automatically retractable of spring, cooperate the tail spindle holding device of top tight workpiece together and be provided with on the tail stock outside tail spindle, therefore do not need the gripper chuck clamping of workpieces, saved the time of clamping work pieces, this structure has realized the axial location of main shaft, and the running of main shaft adopts variable-frequency motor to drive, to realize the radial location of main shaft, do not need manual synchronizing, the positioning accuracy height has been saved non-cutting time, has improved operating efficiency and work quality.
2, simple in structure, cost is lower, be easy to apply
The lathe spindle structure of the location automatically of the utility model is owing to only be provided with the external conical sleeve that can locate tail spindle in the internal taper hole of main shaft, and the spring of encapsulation on multidiameter forms the elastic top needle construction in external conical sleeve, can realize workpiece spindle to automatic location, and the radial location of main shaft realizes by regulating the variable-frequency motor parameter, can be according to the processing needs of workpiece accurate location in any one radial position, overall structure is fairly simple, cost is lower, be easy to apply.
The lathe spindle structure of the utility model being located automatically below in conjunction with drawings and Examples is further described.
[description of drawings]
Fig. 1 is the utility model installation diagram of the lathe spindle structure of location automatically.
The element numbers explanation:
The 1-dial, 2-bearing pin, 3-tail spindle, 31-top tip part, the 32-multidiameter, the 33-limited impression, the 4-external conical sleeve, 41-overlaps axial region, the 42-protuberance, 43-ladder endoporus, 44-groove, the 45-spacing hole, 5-stop screw, 6-spring, the 7-main shaft, 71-internal taper hole, 8-pull bar, the 9-nut, 10-locking device, 11-workpiece.
[specific embodiment]
As shown in Figure 1, the utility model lathe spindle structure of location automatically comprises main shaft, dial, positioner, and described dial 1 is connected with main shaft 7.Main shaft 7 is for having 71 linear elements of an internal taper hole, and dial 1 is connected on the main shaft external diameter of main shaft 7 one ends, and by a locking device 10 dial 1 is locked on the main shaft external diameter.
Described positioner comprises external conical sleeve 4, tail spindle 3 and spring 6, and external conical sleeve 4 is the axle linear element of a band convex, and external conical sleeve 4 comprises the cover axial region 41 of band ladder endoporus 43 and the protuberance 42 of band groove 44.Described tail spindle 3 comprises top tip part 31 that is positioned in workpiece 11 axis holes and the multidiameter 32 that is connected with top tip part 31, is respectively equipped with limited impression 33 in multidiameter 32 both sides.The internal taper hole 71 of external conical sleeve 4 and main shaft cooperates and is connected with main shaft 4 by pull bar 8, the ladder endoporus 43 of external conical sleeve 4 is provided with internal thread near pull bar one side, described pull bar 8 one ends are fixedlyed connected with main shaft 7 by nut 9, and pull bar 8 other ends are connected with the internal thread of described external conical sleeve ladder endoporus 43 by the external screw thread that is arranged on the pull bar 8.Cover axial region 41 is arranged in the internal taper hole 71 of main shaft, and that protuberance 42 protrudes in internal taper hole 71 is outer and fixedly connected with dial, and protuberance 42 is fixed on the dial 1 by bearing pin 2.Be provided with spacing hole 45 in addition on the cover axial region 41 of external conical sleeve 4, be provided with stop screw 5 in the spacing hole.The multidiameter 32 of tail spindle 3 is installed in the external conical sleeve ladder endoporus 43, the top tip part 31 of tail spindle is installed in the groove 44 of external conical sleeve, tail spindle 3 can be in external conical sleeve 4 move left and right, the spacing hole 45 and the stop screw 5 in the spacing hole of described external conical sleeve 4 are corresponding with the position of limited impression 33, and the stroke that tail spindle 3 moves in external conical sleeve 4 is by 5 controls of two stop screws.The spring 6 of encapsulation on multidiameter 32 forms the elastic top needle construction in the external conical sleeve 4.
The radial location of main shaft is to regulate the parameter of variable-frequency motor in advance according to the needs of processing work, when processing work, earlier the axis hole of workpiece 11 is aimed at the top tip part 31 of tail spindle, again by the tailstock (not shown) thimble top tight workpiece right-hand member of lathe, tail spindle 3 is holddown spring 6 left, spring produces a reaction force clamping work pieces to the right, and workpiece has just been finished the location and clamped.
Claims (3)
1. automatic lathe spindle structure of location, this lathe spindle adopts variable-frequency motor to drive, main axle structure comprises main shaft, dial, positioner, described main shaft is the axle linear element that has an internal taper hole, it is characterized in that, described positioner comprises external conical sleeve, tail spindle and spring, described external conical sleeve is the axle linear element of a band convex, external conical sleeve comprises the cover axial region of band ladder endoporus and the protuberance of band groove, described tail spindle comprises top tip part and multidiameter, the internal taper hole of external conical sleeve and main shaft cooperates and is connected with main shaft by pull bar, the cover axial region is arranged in the internal taper hole of main shaft, and that protuberance protrudes in internal taper hole is outer and fixedly connected with dial, the multidiameter of tail spindle is installed in the external conical sleeve endoporus, the top tip part of tail spindle is installed in the groove of external conical sleeve, tail spindle can be in external conical sleeve move left and right, the spring of encapsulation on multidiameter forms the elastic top needle construction in the external conical sleeve.
2. the lathe spindle structure of automatic location as claimed in claim 1, it is characterized in that: the ladder endoporus of external conical sleeve is provided with internal thread near pull bar one side, described pull bar one end is fixedlyed connected with main shaft by nut, and the pull bar other end is connected with the internal thread of described external conical sleeve ladder endoporus by the external screw thread that is arranged on the pull bar.
3. the lathe spindle structure of automatic location as claimed in claim 1, it is characterized in that: the multidiameter both sides of described tail spindle are respectively equipped with limited impression, and corresponding limited impression place is provided with the stop screw that cooperates with limited impression on the external conical sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203174885U CN201579420U (en) | 2009-12-15 | 2009-12-15 | Automatic-positioning lathe main shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203174885U CN201579420U (en) | 2009-12-15 | 2009-12-15 | Automatic-positioning lathe main shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201579420U true CN201579420U (en) | 2010-09-15 |
Family
ID=42721413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203174885U Expired - Fee Related CN201579420U (en) | 2009-12-15 | 2009-12-15 | Automatic-positioning lathe main shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201579420U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744680A (en) * | 2012-07-13 | 2012-10-24 | 贵州凯星液力传动机械有限公司 | Grinding clamping device for machining high-strength countersunk shaft and application method of grinding clamping device |
| CN107234475A (en) * | 2017-08-10 | 2017-10-10 | 徐丽亚 | The accurate hard turning bearing outer ring special fixture of machining |
| CN109954896A (en) * | 2017-12-23 | 2019-07-02 | 江西清研扬天科技有限公司 | A kind of chucking device of the tail stock with chuck |
-
2009
- 2009-12-15 CN CN2009203174885U patent/CN201579420U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744680A (en) * | 2012-07-13 | 2012-10-24 | 贵州凯星液力传动机械有限公司 | Grinding clamping device for machining high-strength countersunk shaft and application method of grinding clamping device |
| CN107234475A (en) * | 2017-08-10 | 2017-10-10 | 徐丽亚 | The accurate hard turning bearing outer ring special fixture of machining |
| CN109954896A (en) * | 2017-12-23 | 2019-07-02 | 江西清研扬天科技有限公司 | A kind of chucking device of the tail stock with chuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liuzhou Changhong Machine Manufacturing Co., Ltd. Assignor: Liuzhou CNC Machine Tool Institute Contract record no.: 2012450000046 Denomination of utility model: Automatic-positioning lathe main shaft structure Granted publication date: 20100915 License type: Exclusive License Record date: 20120629 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131215 |