CN111992744A - Rotary positioning system and positioning method thereof - Google Patents
Rotary positioning system and positioning method thereof Download PDFInfo
- Publication number
- CN111992744A CN111992744A CN202010895456.4A CN202010895456A CN111992744A CN 111992744 A CN111992744 A CN 111992744A CN 202010895456 A CN202010895456 A CN 202010895456A CN 111992744 A CN111992744 A CN 111992744A
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- vertical lathe
- annular
- center calibration
- positioning
- tray
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
- B23B25/06—Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
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- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention discloses a rotary positioning system, which is used for positioning a turning tool and comprises a circular workbench rotationally arranged at the top, wherein the circular workbench is coaxially connected with a vertical lathe center calibration base through a clamping and fixing mechanism; compared with the prior art, the vertical lathe center calibrating device is composed of a circular workbench, a clamping and fixing mechanism, a vertical lathe center calibrating base, a vertical lathe center calibrating tray and a positioning block, and is simple in structure; when the turning tool is positioned and adjusted, the vertical lathe center calibration tray is rotated, the vertical lathe cross beam is moved, the positioning block and the vertical lathe cross beam are kept parallel, the vertical lathe center calibration tray stops rotating, and the vertical lathe cross beam is moved to enable the positioning block and the tool tip of the turning tool to be aligned and superposed; the positioning and adjusting process of the turning tool is convenient and quick.
Description
Technical Field
The invention relates to the technical field of lathe adjusting equipment, in particular to a rotary positioning system and a positioning method thereof.
Background
The vertical lathe is called as a vertical lathe for short, and the vertical lathe is mainly used for processing large and heavy workpieces with large diameter and short length and workpieces which are not easy to clamp on a horizontal lathe.
Vertical lathes can be generally classified into single-column type and double-column type. The small vertical lathe is generally made into a single column type, and the large vertical lathe is made into a double column type.
A vertical lathe cross beam is horizontally and slidably arranged on the vertical lathe, a turning tool is mounted on the vertical lathe cross beam, and the turning tool is used for machining; the tool tip of the turning tool needs to be positioned before the turning tool of the vertical lathe starts to be machined, so that the machining precision of the turning tool is improved.
The existing device for positioning and adjusting the turning tool is complex in structure and complex in positioning and adjusting process.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a rotary positioning system to solve the problems that the structure is complex and the process of positioning and adjusting a turning tool is complex in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a gyration positioning system for fix a position the lathe tool, rotate the circular table that sets up including the top, it has merry go round lathe center calibration base to link to each other coaxially through centre gripping fixed establishment on the circular table, the top intermittent type joint of merry go round lathe center calibration base has the merry go round lathe center calibration tray rather than the axial arrangement, and the top of merry go round lathe center calibration tray is connected with along its edge to the locating piece that the center is linear to be arranged.
Compared with the prior art, the invention has the following beneficial effects:
the rotary positioning system is composed of a circular workbench, a clamping and fixing mechanism, a vertical lathe center calibration base, a vertical lathe center calibration tray and a positioning block, and is simple in structure; when the turning tool is positioned and adjusted, the vertical lathe center calibration tray is rotated, the vertical lathe cross beam is moved, the positioning block and the vertical lathe cross beam are kept parallel, the vertical lathe center calibration tray stops rotating, and the vertical lathe cross beam is moved to enable the positioning block and the tool tip of the turning tool to be aligned and superposed; the positioning and adjusting process of the turning tool is convenient and quick.
In order to simplify the positioning adjustment process of the turning tool of the vertical lathe and improve the positioning adjustment precision, the invention also adopts the following technical scheme: a positioning method of a rotary positioning system comprises the following steps:
the method comprises the following steps that firstly, a vertical lathe center calibration base is coaxially connected to a circular workbench which is rotatably arranged through a clamping and fixing mechanism, and the coaxiality of the vertical lathe center calibration base and the circular workbench is not more than 0.02;
step two, intermittently clamping the vertical lathe center calibration tray to the top of the vertical lathe center calibration base, so that the interval between the vertical lathe center calibration tray and the vertical lathe center calibration base is within the range of 0.1-0.2 mm;
moving a vertical lathe cross beam, and rotating a vertical lathe center calibration tray to enable the vertical lathe cross beam to be parallel to the positioning block, wherein the parallelism of the vertical lathe cross beam and the positioning block is not more than 0.01;
and step four, moving the vertical lathe cross beam to align and coincide the tool nose of the turning tool on the vertical lathe cross beam with the positioning block.
Compared with the prior art, the invention has the following beneficial effects:
the positioning method comprises the steps that after a vertical lathe center calibration base is fixed on a circular workbench through a clamping and fixing mechanism, a vertical lathe center calibration tray is clamped to the top of the vertical lathe center calibration base intermittently; the coaxiality among the circular workbench, the vertical lathe center calibration base and the vertical lathe center calibration tray is ensured to be higher through the coaxiality limitation between the vertical lathe center calibration base and the circular workbench and the interval limitation between the vertical lathe center calibration tray and the vertical lathe center calibration base; then, the vertical lathe center calibration tray and the movable cross beam are rotated to ensure that the tool tip of the turning tool is quickly aligned and coincided with the positioning block when the vertical lathe cross beam is moved again after the vertical lathe cross beam and the positioning block are enabled to guarantee high enough parallelism, so that the positioning adjustment precision of the turning tool is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: circular workstation 1, merry go round machine center calibration base 2, merry go round machine center calibration tray 3, locating piece 4, four-jaw chuck 5, annular reinforcement piece 6, spacing portion 7 of annular, annular supporting part 8, annular are prevented moving back board 9, lathe tool 10.
As shown in fig. 1, an embodiment of the present invention provides a rotary positioning system, which is used for positioning a turning tool 10, and includes a circular table 1 with a top rotatably disposed, the circular table 1 is coaxially connected to a vertical lathe center calibration base 2 through a clamping and fixing mechanism, a vertical lathe center calibration tray 3 axially disposed on the top of the vertical lathe center calibration base 2 is intermittently clamped on the top of the vertical lathe center calibration base, and a positioning block 4 linearly disposed along an edge of the vertical lathe center calibration tray 3 toward the center is connected to the top of the vertical lathe center calibration tray 3.
When the turning tool 10 is positioned and adjusted, the vertical lathe center calibration tray 3 is rotated, the vertical lathe cross beam is moved, the positioning block 4 and the vertical lathe cross beam are kept parallel, the vertical lathe center calibration tray 3 stops rotating, and the vertical lathe cross beam is moved to enable the positioning block 4 and the tool tip of the turning tool 10 to be aligned and superposed; the positioning and adjusting process of the turning tool 10 is convenient and fast.
As shown in fig. 2, according to another embodiment of the present invention, the slewing positioning system further includes a structure optimization for the vertical lathe center calibration base 2 and the vertical lathe center calibration tray 3, the adopted vertical lathe center calibration base 2 is annular, and the outer edge of the top of the vertical lathe center calibration base is provided with a positioning step along the circumferential direction; the vertical lathe center calibration tray 3 is annular, and the inner side edge of the bottom of the vertical lathe center calibration tray is provided with matching steps along the circumferential direction of the bottom; the matching ladder is rotationally lapped on the positioning ladder to connect the vertical lathe center calibration tray 3 with the vertical lathe center calibration base 2.
The structural design through location ladder and cooperation ladder improves the degree of coordination when merry go round machine center calibration tray 3 is connected with merry go round machine center calibration base 2 to improve the rear coaxiality that merry go round machine center calibration tray 3 is connected with merry go round machine center calibration base 2, be convenient for improve the precision when lathe tool 10 carries out the positioning adjustment.
With reference to fig. 1 and 2, according to another embodiment of the present invention, the rotary positioning system further comprises a pair of clamping and fixing mechanisms, the clamping and fixing mechanism comprises a four-jaw chuck 5 having a center hole along an axial direction thereof, the four-jaw chuck 5 is of an existing structure, the four-jaw chuck 5 is fixedly mounted on the circular table 1, an annular reinforcing block 6 is connected to a lower side of an inner wall of the center hole of the four-jaw chuck 5 along a circumferential direction thereof, an annular positioning groove is formed at a top of the annular reinforcing block 6 along the circumferential direction thereof, and an annular limiting portion 7 embedded into the annular positioning groove is integrally formed at a bottom of the vertical lathe center calibration base 2; the vertical lathe center calibration base 2 is embedded into the center hole and then clamped and fixed through the clamping jaws of the four-jaw chuck 5.
Firstly, embedding the annular limiting part 7 into the annular positioning groove for pre-positioning, and then adjusting four clamping jaws of the four-jaw chuck 5 to rapidly clamp and fix the four clamping jaws of the four-jaw chuck 5 to the vehicle center calibration base 2; the connection strength of the vertical lathe center calibration base 2 is improved by matching the annular limiting part 7 with the annular positioning groove and using the four-jaw chuck 5, and after the four-jaw chuck 5 is fixed on the circular workbench 1, the installation coaxiality of the circular workbench 1 and the vertical lathe center calibration base 2 is further improved by matching the annular limiting part 7 with the annular positioning groove.
As shown in fig. 2, according to another embodiment of the present invention, the rotary positioning system further includes an annular supporting step formed at the top of the annular reinforcing block 6 and located outside the annular positioning groove, an annular supporting portion 8 formed at the bottom of the vertical lathe central calibration base 2 and located outside the annular limiting portion 7 is integrally formed, and the annular supporting portion 8 abuts against the annular supporting step.
The connection strength between the vertical lathe center calibration base 2 and the annular reinforcing block 6 is improved through the matching of the annular support ladder and the annular support part 8, so that the vertical lathe center calibration base 2 is more stable in working.
As shown in fig. 2, according to another embodiment of the present invention, the rotary positioning system further includes an annular embedding groove formed on the top outer edge of the four-jaw chuck 5 along the circumferential direction thereof, an annular anti-receding plate 9 is movably clamped in the annular embedding groove, and the jaws of the four-jaw chuck 5 move a distance away from the central hole and abut against the annular anti-receding plate 9.
After the annular anti-moving back plate 9 is movably embedded in the annular embedding groove, when the jaws of the four-jaw chuck 5 are prevented from moving away from the central hole, the annular anti-moving back plate 9 is used for limiting to prevent the jaws from moving out of the four-jaw chuck 5; when the jaws need to be removed from the four-jaw chuck 5, the annular anti-withdrawal plate 9 is removed from the annular embedding groove, and the four-jaw chuck 5 is adjusted.
When the annular anti-moving plate 9 is movably embedded in the annular embedding groove, the annular anti-moving plate 9 can be locked and fixed through a plurality of bolts, and the connection firmness of the annular anti-moving plate 9 is improved.
According to another embodiment of the present invention, the positioning method of the slewing positioning system comprises the following steps:
the method comprises the following steps that firstly, a vertical lathe center calibration base 2 is coaxially connected to a circular workbench 1 which is rotatably arranged through a clamping and fixing mechanism, and the coaxiality of the vertical lathe center calibration base 2 and the circular workbench 1 is not more than 0.02;
step two, intermittently clamping the vertical lathe center calibration tray 3 to the top of the vertical lathe center calibration base 2, so that the interval between the vertical lathe center calibration tray 3 and the vertical lathe center calibration base 2 is within the range of 0.1-0.2 mm;
moving a beam of the vertical lathe, and rotating a center calibration tray 3 of the vertical lathe to enable the beam of the vertical lathe to be parallel to the positioning block 4, wherein the parallelism of the beam of the vertical lathe and the positioning block 4 is not more than 0.01; the parallelism between the vertical lathe cross beam and the positioning block 4 can be detected through a dial indicator arranged on the vertical lathe knife 10 frame, so that the parallelism is more accurate;
moving the vertical lathe cross beam to align and coincide the tool nose of the turning tool 10 on the vertical lathe cross beam with the positioning block 4; whether the tool tip of the turning tool 10 is aligned and overlapped with the positioning block 4 or not can be detected by combining a clearance gauge, so that the tool tip of the turning tool 10 is coaxial with the circular workbench 1 of the vertical lathe, and the positioning adjustment of the turning tool 10 is completed.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The utility model provides a gyration positioning system for fix a position the lathe tool, rotate the circular workstation that sets up including the top, its characterized in that, it has merry go round machine center calibration base to link to each other coaxially through centre gripping fixed establishment on the circular workstation, the top intermittent type joint of merry go round machine center calibration base has the merry go round machine center calibration tray rather than the axial arrangement, and the top of merry go round machine center calibration tray is connected with along its edge to the locating piece of central linear arrangement.
2. A rotational positioning system as defined in claim 1, wherein: the vertical lathe center calibration base is annular, and the outer edge of the top of the vertical lathe center calibration base is provided with a positioning ladder along the circumferential direction of the vertical lathe center calibration base; the vertical lathe center calibration tray is annular, and the inner side edge of the bottom of the vertical lathe center calibration tray is provided with matching steps along the circumferential direction of the vertical lathe center calibration tray; the matching ladder is rotationally lapped on the positioning ladder to connect the vertical lathe center calibration tray with the vertical lathe center calibration base.
3. A rotational positioning system as defined in claim 2, wherein: the clamping and fixing mechanism comprises a four-jaw chuck, the center of which is provided with a central hole along the axial direction, the four-jaw chuck is fixedly arranged on a circular workbench, the lower side of the inner wall of the central hole of the four-jaw chuck is connected with an annular reinforcing block along the circumferential direction, the top of the annular reinforcing block is provided with an annular positioning groove along the circumferential direction, and the bottom of the vertical lathe central calibration base is integrally formed with an annular limiting part embedded into the annular positioning groove; the vertical lathe center calibration base is embedded into the center hole and then clamped and fixed through the clamping jaws of the four-jaw chuck.
4. A rotational positioning system as defined in claim 3, wherein: the top of annular reinforcing block is opened has the annular support ladder that is located the annular constant head tank outside, and the bottom integrated into one piece of merry go round machine center calibration base has the annular supporting part that is located the spacing portion outside of annular, and the annular supporting part supports on the annular support ladder on the counterbalance.
5. A rotational positioning system as defined in claim 3, wherein: the top outside edge of the four-jaw chuck is provided with an annular embedding groove along the circumferential direction, the annular embedding groove is movably clamped with an annular anti-moving plate, and the jaws of the four-jaw chuck move for a distance away from the center hole and then abut against the annular anti-moving plate.
6. A method of positioning in a rotary positioning system as claimed in any one of claims 1 to 5, wherein: the method comprises the following steps:
the method comprises the following steps that firstly, a vertical lathe center calibration base is coaxially connected to a circular workbench which is rotatably arranged through a clamping and fixing mechanism, and the coaxiality of the vertical lathe center calibration base and the circular workbench is not more than 0.02;
step two, intermittently clamping the vertical lathe center calibration tray to the top of the vertical lathe center calibration base, so that the interval between the vertical lathe center calibration tray and the vertical lathe center calibration base is within the range of 0.1-0.2 mm;
moving a vertical lathe cross beam, and rotating a vertical lathe center calibration tray to enable the vertical lathe cross beam to be parallel to the positioning block, wherein the parallelism of the vertical lathe cross beam and the positioning block is not more than 0.01;
and step four, moving the vertical lathe cross beam to align and coincide the tool nose of the turning tool on the vertical lathe cross beam with the positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895456.4A CN111992744A (en) | 2020-08-31 | 2020-08-31 | Rotary positioning system and positioning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895456.4A CN111992744A (en) | 2020-08-31 | 2020-08-31 | Rotary positioning system and positioning method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111992744A true CN111992744A (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010895456.4A Pending CN111992744A (en) | 2020-08-31 | 2020-08-31 | Rotary positioning system and positioning method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111992744A (en) |
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2020
- 2020-08-31 CN CN202010895456.4A patent/CN111992744A/en active Pending
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