CN210615896U - Axle type lathe processing centering positioner - Google Patents
Axle type lathe processing centering positioner Download PDFInfo
- Publication number
- CN210615896U CN210615896U CN201921476850.3U CN201921476850U CN210615896U CN 210615896 U CN210615896 U CN 210615896U CN 201921476850 U CN201921476850 U CN 201921476850U CN 210615896 U CN210615896 U CN 210615896U
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- centering
- lathe
- left end
- axial
- spindle
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Abstract
The utility model discloses an axle type lathe processing centering positioner, including the lathe three-jaw chuck, be fixed with the lathe spindle at the back axial of lathe three-jaw chuck, be equipped with centering positioning base and axial centering regulating spindle in the inside of lathe spindle, open at the axial of the right-hand member of centering positioning base has centering locating hole, the left end of centering positioning base and the right-hand member fixed connection of axial centering regulating spindle, the left end that the lathe spindle was stretched out to the left end of axial centering regulating spindle, centering positioning base's centering locating hole and lathe spindle, the concentric installation of lathe three-jaw chuck, be equipped with centering locking device between the left end of axial centering regulating spindle and lathe spindle. The utility model discloses using this centering positioner, adding man-hour, only needing to adjust length size when beginning to add man-hour, the length is all measured to every piece not needed to the in-process, can guarantee simultaneously that hole and other end excircle are coaxial, when satisfying the product requirement, efficiency improves greatly.
Description
Technical Field
The utility model relates to a lathe work part technical field especially relates to an axle type lathe work centering positioner.
Background
As shown in figure 1, when an inner hole is bored on the end face of a conventional machined long shaft (more than 500 mm), the inner hole is directly bored after being clamped by a chuck, and the other end of the long shaft extends into a lathe spindle, so that the requirement on the coaxiality of the inner hole and the excircle of the other end cannot be ensured, and in addition, each part needs to be measured in length; when the chuck is matched with the center frame for processing, the coaxiality requirement can be ensured, but the efficiency is extremely low, and in addition, each piece also needs to be measured in length.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to remedy prior art's defect, provides an axle type lathe machining centering positioner.
The utility model discloses a realize through following technical scheme:
the centering and positioning device for shaft lathe processing comprises a lathe three-jaw chuck, wherein a lathe spindle is axially fixed on the back face of the lathe three-jaw chuck, a centering and positioning base and an axial centering adjusting shaft are arranged inside the lathe spindle, a centering and positioning hole is axially formed in the right end of the centering and positioning base, the left end of the centering and positioning base is fixedly connected with the right end of the axial centering adjusting shaft, the left end of the axial centering adjusting shaft extends out of the left end of the lathe spindle, the centering and positioning hole of the centering and positioning base is concentrically arranged with the lathe spindle and the lathe three-jaw chuck, and a centering and locking device is arranged between the left end of the axial centering adjusting shaft and the lathe spindle.
The centering locking device comprises a step-shaped connecting nut which is respectively sleeved on the outer sides of a lathe spindle and an axial centering adjusting shaft, the step-shaped connecting nut is fixedly connected with the lathe spindle, and a locking nut and a locking sleeve are respectively arranged between the step-shaped connecting nut and the left end of the axial centering adjusting shaft and are used for fixing the axial centering adjusting shaft so that the axial centering adjusting shaft cannot axially move.
The locking sleeve is a conical sleeve, a plurality of strip-shaped holes are axially formed in the conical end at the left end of the conical sleeve, the locking sleeve is sleeved on the outer side of the left end of the axial centering adjusting shaft, the right end of the locking sleeve abuts against the left end of the stepped connecting nut, the conical holes with the same shape as the conical sleeve are formed in the inner side of the locking nut, the locking nut is located on the outer side of the locking sleeve, and the locking nut is in threaded connection with the stepped connecting nut. The locking nut is in threaded connection with the stepped connecting nut to pull the inner conical surface of the locking nut to slide towards the outer conical surface of the locking sleeve, so that the locking sleeve is contracted towards the axis direction, and the axial centering adjusting shaft is locked.
When the shaft workpiece is machined, the shaft workpiece extends into the lathe spindle from the center hole of the three-jaw chuck, one end of the shaft workpiece extends into the centering positioning hole of the centering positioning base for centering positioning, the other end of the shaft workpiece is clamped by the three-jaw chuck, and then an inner hole is bored on the end face of the lathe. When products with different lengths are switched to be machined, the locking nut is loosened, the axial centering adjusting shaft is pushed and pulled axially, the centering and positioning base moves in the lathe spindle, the distance between the centering and positioning base and the three-jaw chuck is adjusted, the axial centering and positioning adjusting shaft is suitable for machining of shaft workpieces with different lengths and the same outer diameter, after the position is adjusted properly, the locking nut is locked, and in the process of adjusting the length, a positioning and centering hole of the centering and positioning base is concentric with the lathe spindle and the lathe three-jaw chuck all the time.
The utility model has the advantages that: the utility model discloses using this centering positioner, adding man-hour, only needing to adjust length size when beginning to add man-hour, the length is all measured to every piece not needed to the in-process, can guarantee simultaneously that hole and other end excircle are coaxial, when satisfying the product requirement, efficiency improves greatly.
Drawings
FIG. 1 is a partial schematic view of a prior art lathe for machining a bore in an end face of a long shaft lathe.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the structure of the locking sleeve.
Detailed Description
As shown in fig. 2, the centering and positioning device for shaft lathe processing comprises a lathe three-jaw chuck 9, a lathe spindle 5 is axially fixed on the back surface of the lathe three-jaw chuck 9, a centering and positioning base 6 and an axial centering and adjusting shaft 3 are arranged inside the lathe spindle 5, a centering and positioning hole 10 is axially formed in the right end of the centering and positioning base 6, the left end of the centering and positioning base 6 is fixedly connected with the right end of the axial centering and adjusting shaft 3, the left end of the axial centering and adjusting shaft 3 extends out of the left end of the lathe spindle 5, the centering and positioning hole 10 of the centering and positioning base 6 is concentrically installed with the lathe spindle 5 and the lathe three-jaw chuck 9, and a centering and locking device is arranged between the left end of the axial centering and adjusting shaft 3 and the lathe spindle 5.
The centering locking device comprises a step-shaped connecting nut 4 which is respectively sleeved on the outer sides of a lathe spindle 5 and an axial centering adjusting shaft 3, the step-shaped connecting nut 4 is fixedly connected with the lathe spindle 5, a locking nut 2 and a locking sleeve 1 are respectively arranged between the step-shaped connecting nut 4 and the left end of the axial centering adjusting shaft 3, so that the axial centering adjusting shaft 3 is fixedly connected with the lathe spindle 5, and the axial centering adjusting shaft 3 cannot axially move.
As shown in fig. 3, the locking sleeve 1 is a tapered sleeve, a plurality of strip-shaped holes 12 are axially formed in the tapered end at the left end of the tapered sleeve, the locking sleeve 1 is sleeved on the outer side of the left end of the axial centering adjusting shaft 3, the right end of the locking sleeve 1 is abutted against the left end of the stepped coupling nut 4, tapered holes with the same shape as the tapered sleeve are formed in the inner side of the locking nut 2, the locking nut 2 is located on the outer side of the locking sleeve 1, and the locking nut 2 is in threaded connection with the outer side face of the end portion of the stepped coupling nut 4. The locking nut 2 is in threaded connection with the stepped connecting nut 4 to pull the inner conical surface of the locking nut 2 to slide towards the outer conical surface of the locking sleeve 1, so that the locking sleeve 1 is contracted towards the axis direction, and the axial centering adjusting shaft 3 is locked.
The utility model discloses increase a centering positioner, realize centering and location, axial centering regulating spindle 3 and echelonment coupling nut 4 are through lock sleeve 1 and 2 hookups of lock nut, and axial centering regulating spindle 3 and centering positioning base 6 are through packing ring 7 and 8 fixed hookups of screw, and whole centering positioner passes through echelonment coupling nut 4 and 5 hookups of lathe spindle, realizes centering positioning base 6 and 5 concentricity of lathe spindle.
When the shaft workpiece 11 is machined, one end of the shaft workpiece 11 extends into the lathe spindle 5 from the central hole of the three-jaw chuck 9, one end of the shaft workpiece extends into the centering positioning hole of the centering positioning base 6 for centering positioning, the other end of the shaft workpiece is clamped by the three-jaw chuck 9, and then an inner hole is bored on the end face of the lathe. When products with different lengths are switched to be machined, the locking nut 2 is loosened, the axial centering adjusting shaft 3 is pushed and pulled axially, the centering and positioning base 6 is made to move in the lathe spindle, the distance between the centering and positioning base 6 and the three-jaw chuck 9 is adjusted, the axial centering adjusting shaft is suitable for machining of shaft workpieces 11 with different lengths and the same outer diameter, the locking nut 2 is locked after the position is adjusted properly, and in the process of adjusting the length, the positioning and centering hole of the centering and positioning base 6 is concentric with the lathe spindle 5 and the lathe three-jaw chuck 9 all the time.
Claims (3)
1. The utility model provides an axle type lathe machining centering positioner which characterized in that: the lathe three-jaw chuck comprises a lathe three-jaw chuck, a lathe spindle is axially fixed on the back of the lathe three-jaw chuck, a centering positioning base and an axial centering adjusting shaft are arranged inside the lathe spindle, a centering positioning hole is axially formed in the right end of the centering positioning base, the left end of the centering positioning base is fixedly connected with the right end of the axial centering adjusting shaft, the left end of the axial centering adjusting shaft extends out of the left end of the lathe spindle, the centering positioning hole of the centering positioning base is concentrically arranged with the lathe spindle and the lathe three-jaw chuck, and a centering locking device is arranged between the left end of the axial centering adjusting shaft and the lathe spindle.
2. The shaft type lathe machining centering and positioning device as claimed in claim 1, wherein: the centering locking device comprises a step-shaped connecting nut which is respectively sleeved on the outer sides of the lathe spindle and the axial centering adjusting shaft, the step-shaped connecting nut is fixedly connected with the lathe spindle, and a locking nut and a locking sleeve are respectively arranged between the step-shaped connecting nut and the left end of the axial centering adjusting shaft.
3. The shaft type lathe machining centering and positioning device as claimed in claim 2, wherein: the locking sleeve is a conical sleeve, a plurality of strip-shaped holes are axially formed in the conical end at the left end of the conical sleeve, the locking sleeve is sleeved on the outer side of the left end of the axial centering adjusting shaft, the right end of the locking sleeve abuts against the left end of the stepped connecting nut, the conical holes with the same shape as the conical sleeve are formed in the inner side of the locking nut, the locking nut is located on the outer side of the locking sleeve, and the locking nut is in threaded connection with the stepped connecting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476850.3U CN210615896U (en) | 2019-09-03 | 2019-09-03 | Axle type lathe processing centering positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476850.3U CN210615896U (en) | 2019-09-03 | 2019-09-03 | Axle type lathe processing centering positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210615896U true CN210615896U (en) | 2020-05-26 |
Family
ID=70753033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921476850.3U Expired - Fee Related CN210615896U (en) | 2019-09-03 | 2019-09-03 | Axle type lathe processing centering positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210615896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889886A (en) * | 2020-07-22 | 2020-11-06 | 陕西科技大学 | Fixing clamp and method for lifting and adjusting tool |
-
2019
- 2019-09-03 CN CN201921476850.3U patent/CN210615896U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889886A (en) * | 2020-07-22 | 2020-11-06 | 陕西科技大学 | Fixing clamp and method for lifting and adjusting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |