CN216263518U - Machine tool spindle hole positioning and jacking device - Google Patents
Machine tool spindle hole positioning and jacking device Download PDFInfo
- Publication number
- CN216263518U CN216263518U CN202122662650.0U CN202122662650U CN216263518U CN 216263518 U CN216263518 U CN 216263518U CN 202122662650 U CN202122662650 U CN 202122662650U CN 216263518 U CN216263518 U CN 216263518U
- Authority
- CN
- China
- Prior art keywords
- positioning
- jacking
- sleeve
- nut
- tensioning
- 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.)
- Active
Links
Images
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model relates to the technical field of processing of petroleum logging instruments, in particular to a positioning and jacking device for a spindle hole of a machine tool. The device comprises a jacking core rod, a jacking nut, a tensioning sleeve, a clamping outer cylinder, a sliding sleeve, a positioning cone sleeve, a positioning fixed block and a positioning assembly; the jacking core rod is in threaded connection with a jacking nut, the jacking core rod is fixedly connected with the positioning cone sliding sleeve into a whole, the jacking nut is fixedly connected with the tensioning sleeve into a whole, the tensioning nut is in threaded connection with the tensioning sleeve, the tensioning sleeve is fixedly connected with the sliding sleeve into a whole, the tensioning nut is fixedly connected with the clamping outer cylinder into a whole, and the clamping outer cylinder is fixedly connected with the positioning fixing block into a whole; the positioning fixing block is connected with the positioning assembly through a bolt and can be adjusted in a radial sliding mode. The part to be machined is convenient to install, position and lock in the lathe spindle hole, the support is stable and reliable, the installation and positioning accuracy is improved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of processing of petroleum logging instruments, in particular to a positioning and jacking device for a spindle hole of a machine tool.
Background
In the machining of petroleum logging instruments, pipe parts are often required to be machined, the end excircle of the part is usually clamped in the machining process to ensure the machining precision of the inner hole threads and the sealing surfaces at the end parts of the pipe parts, when the length of the part is smaller than that of a lathe spindle, the tail part of the part is suspended in the lathe spindle, and the tail part of the part swings greatly due to the centrifugal force generated by the rotation of the part driven by the lathe spindle in the machining process, so that the machining quality of the part is reduced, and the machining efficiency is also reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a positioning and jacking device for a machine tool spindle hole, which avoids the tail part of a part in a suspended state in the machine tool spindle hole when the length of the part is smaller than that of the machine tool spindle, is convenient for the part to be processed to be installed, positioned and locked in the machine tool spindle hole, is stable and reliable in support, improves the installation and positioning precision and improves the production efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a machine tool spindle hole positioning and jacking device comprises a jacking core rod, a jacking nut, a tensioning sleeve, a clamping outer cylinder, a sliding sleeve, a positioning cone sleeve, a positioning fixing block and a positioning assembly; the jacking core rod is in threaded connection with a jacking nut, the jacking core rod is fixedly connected with the positioning cone sliding sleeve into a whole, the jacking nut is fixedly connected with the tensioning sleeve into a whole, the tensioning nut is in threaded connection with the tensioning sleeve, the tensioning sleeve is fixedly connected with the sliding sleeve into a whole, the tensioning nut is fixedly connected with the clamping outer cylinder into a whole, and the clamping outer cylinder is fixedly connected with the positioning fixing block into a whole; the positioning fixing block is connected with the positioning assembly through a bolt and can be adjusted in a radial sliding mode.
An inner hexagonal hole is formed in the end of the jacking core rod.
The jacking core rod and the positioning cone sliding sleeve are of an integrated welding structure; the tightening nut and the tightening sleeve are of an integrated welding structure; the tensioning sleeve and the sliding sleeve are of an integrated welding structure; the tightening nut and the clamping outer cylinder are of an integrated welding structure; the clamping outer cylinder and the positioning fixing block are of an integrated welding structure.
The positioning cone sliding sleeve is matched with the top of the machine tool.
Compared with the prior art, the utility model has the beneficial effects that:
1) the positioning cone sliding sleeve is provided with the positioning cone sliding sleeve, adopts a standard taper hole, is matched with a center of a universal lathe, and is good in universality and convenient to use;
2) the utility model adopts the design of radial movement and positioning of the positioning assembly and the positioning fixing block, the adjustment of the overall dimension of the positioning assembly can facilitate the installation, positioning and locking in the lathe spindle hole, the support is stable and reliable, and the structure is simple and safe;
3) the sliding sleeve and the positioning cone sliding sleeve are in sliding fit design, so that the mounting and adjusting are convenient, the clamping time is reduced in the processing of batch parts, the mounting and positioning accuracy is improved, and the production efficiency is greatly improved.
The center is arranged in the spindle hole of the lathe, so that the length range of the part which can be clamped by the lathe is indirectly enlarged, the concentricity is ensured, the processing quality is ensured, and the range and the capability of the part processed by the lathe are expanded; the utility model avoids the tail part of the part in a suspended state in the lathe spindle hole when the length of the part is less than the length of the lathe spindle, is convenient for the part to be processed to be installed, positioned and locked in the lathe spindle hole, has stable and reliable support, improves the installation and positioning precision and improves the production efficiency.
Drawings
FIG. 1 is a front half sectional view showing the structure of the present invention;
fig. 2 is a schematic side view of the structure of the present invention.
In the figure: 1-tightly jacking the core rod; 2-tightening the screw nut; 3-tensioning the screw nut; 4-tensioning the sleeve; 5, clamping the outer cylinder; 6-a sliding sleeve; 7-positioning the cone sliding sleeve; 8, positioning a taper sleeve; 9-positioning a fixed block; 10-a positioning assembly; 11-internal hexagonal holes; 12-a tip; 13-lathe spindle hole; 14-a part; 15-chuck.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a machine tool spindle hole positioning and tightening device comprises a tightening core bar 1, a tightening nut 2, a tightening nut 3, a tightening sleeve 4, a clamping outer cylinder 5, a sliding sleeve 6, a positioning cone sliding sleeve 7, a positioning cone sleeve 8, a positioning fixing block 9 and a positioning assembly 10.
The tail of the jacking core rod 1 is in threaded connection with the jacking nut 2, and the tail end of the jacking core rod 1 is provided with an inner hexagonal hole which is convenient to screw. The head end of the jacking core rod 1 is welded with the positioning cone sliding sleeve 7 into a whole. The positioning cone sliding sleeve 7 adopts a standard taper hole and is matched with a universal lathe center 12, so that the universality is good, and the use is convenient.
The tightening nut 2 and the tightening sleeve 4 are in an integrated welding structure; the tensioning screw nut 3 is in threaded connection with the tensioning sleeve 4; the tensioning sleeve 4 and the sliding sleeve 6 are of an integrated welding structure; the tightening screw nut 3 and the clamping outer cylinder 5 are of an integrated welding structure; the clamping outer cylinder 5 and the positioning fixing block 9 are of an integrated welding structure; the positioning fixing block 9 and the positioning assembly 10 are connected by a T-shaped bolt and can be adjusted in a radial sliding mode.
Before use, the lathe universal center 12 is placed in a taper hole of the positioning taper sliding sleeve 7, and the positioning assembly 10 is preset to be close to the diameter of a lathe spindle hole 13; the positioning device is placed in a lathe spindle hole, the front and rear positions are adjusted according to the length of a processed part 14, the outer cylinder 5 is clamped and clamped by a lathe tail chuck 15 after proper positioning, the jacking nut 2 is screwed to drive the positioning taper sleeve 8 and the positioning assembly 10 to axially move, the positioning assembly 10 is driven to radially move and further clamped in the lathe spindle hole 13 by the conical surfaces of the positioning taper sleeve 8 and the positioning assembly 10, and the outer circle of the positioning assembly 13 is provided with a groove to increase the surface friction force so that the positioning is firmer.
After the part is positioned and pre-clamped, the position and the angle of the tightening nut 2 are kept unchanged, the tightening core rod 1 is screwed to push the positioning cone sliding sleeve 7 to move axially in the positioning cone sleeve 8 so as to position and lock the lathe center 12 in the positioning cone sliding sleeve 7 and the machined part 14, the position of the part 14 is continuously aligned, and the part 14 is clamped, so that the machining can be started.
The utility model adopts the design of radial movement and positioning of the positioning assembly 10 and the positioning fixing block 9, the adjustment of the overall dimension of the positioning assembly 10 can be conveniently installed, positioned and locked in the lathe spindle hole 13, the support is stable and reliable, and the structure is simple and safe.
The utility model adopts the sliding fit design of the sliding sleeve 6 and the positioning cone sliding sleeve 7, is convenient for use and adjustment after installation, reduces the clamping time in the processing of batch parts, improves the installation and positioning precision and greatly improves the production efficiency.
The utility model realizes that the center 12 is arranged in the main shaft hole 13 of the lathe, thus indirectly expanding the length range of the part 14 which can be clamped by the lathe, ensuring the concentricity, ensuring the processing quality and expanding the range and the capability of the part processed by the lathe; the utility model avoids the tail part of the part 14 in a suspended state in the lathe spindle hole 13 when the length of the part 14 is less than the length of the lathe spindle, is convenient for the part 14 to be processed to be installed, positioned and locked in the lathe spindle hole, has stable and reliable support, improves the installation and positioning precision and improves the production efficiency.
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (4)
1. The utility model provides a tight device in lathe spindle hole location top which characterized in that: the device comprises a jacking core rod, a jacking nut, a tensioning sleeve, a clamping outer cylinder, a sliding sleeve, a positioning cone sleeve, a positioning fixed block and a positioning assembly; the jacking core rod is in threaded connection with a jacking nut, the jacking core rod is fixedly connected with the positioning cone sliding sleeve into a whole, the jacking nut is fixedly connected with the tensioning sleeve into a whole, the tensioning nut is in threaded connection with the tensioning sleeve, the tensioning sleeve is fixedly connected with the sliding sleeve into a whole, the tensioning nut is fixedly connected with the clamping outer cylinder into a whole, and the clamping outer cylinder is fixedly connected with the positioning fixing block into a whole; the positioning fixing block is connected with the positioning assembly through a bolt and can be adjusted in a radial sliding mode.
2. The machine tool spindle hole positioning and jacking device as claimed in claim 1, wherein: an inner hexagonal hole is formed in the end of the jacking core rod.
3. The machine tool spindle hole positioning and jacking device as claimed in claim 1, wherein: the jacking core rod and the positioning cone sliding sleeve are of an integrated welding structure; the tightening nut and the tightening sleeve are of an integrated welding structure; the tensioning sleeve and the sliding sleeve are of an integrated welding structure; the tightening nut and the clamping outer cylinder are of an integrated welding structure; the clamping outer cylinder and the positioning fixing block are of an integrated welding structure.
4. The machine tool spindle hole positioning and jacking device as claimed in claim 1, wherein: the positioning cone sliding sleeve is matched with the top of the machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122662650.0U CN216263518U (en) | 2021-11-02 | 2021-11-02 | Machine tool spindle hole positioning and jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122662650.0U CN216263518U (en) | 2021-11-02 | 2021-11-02 | Machine tool spindle hole positioning and jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216263518U true CN216263518U (en) | 2022-04-12 |
Family
ID=81003631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122662650.0U Active CN216263518U (en) | 2021-11-02 | 2021-11-02 | Machine tool spindle hole positioning and jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216263518U (en) |
-
2021
- 2021-11-02 CN CN202122662650.0U patent/CN216263518U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108436124B (en) | Symmetrical three-point type expandable mandrel clamp | |
| CN109663934B (en) | Spindle tail hole center device and method capable of expanding clamping length of lathe | |
| CN216263518U (en) | Machine tool spindle hole positioning and jacking device | |
| CN210848371U (en) | Adjustable boring machine tool | |
| CN218611748U (en) | Tensioning device | |
| CN105665764A (en) | Locking device for torque tool handle collet | |
| CN111957989B (en) | Deep hole groove processing method | |
| CN213410355U (en) | Double-tip turning driving clamp | |
| CN213592346U (en) | Floating conical positioning device | |
| CN204603320U (en) | A kind of lathe spindle tapering positioner | |
| CN212071115U (en) | Machining device for Morse inner taper shank cutter | |
| CN211361513U (en) | Clamp for down-the-hole drill finish turning of big end excircle | |
| CN110561149B (en) | Positioning tool for radially drilling inner gear ring | |
| CN220216975U (en) | Clamping device of gear grinding machine | |
| CN219924652U (en) | Self-centering drill jig sleeve structure for end part of solid bent pull rod | |
| CN219704170U (en) | Frock of eccentric work piece | |
| CN220547933U (en) | Vertical turning mold | |
| CN210147580U (en) | Quick-release mechanism for turning threaded part | |
| CN212599125U (en) | Annular piston drilling clamp for engineering machinery | |
| CN219866145U (en) | Split type face gear and clamping tool of face gear | |
| CN212145336U (en) | Machining clamp for lathe production | |
| CN216370522U (en) | Floating axle tooth gear machining centre gripping frock | |
| CN220463082U (en) | Anti-loose inner supporting rotary chuck | |
| CN220050989U (en) | Adjustable internal diameter strutting arrangement | |
| CN220783752U (en) | Tool clamp for installing boring shaft head and boring shaft tail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |