CN214393335U - High-precision adjustable four-claw rotation center supporting tool for numerical control vehicle - Google Patents
High-precision adjustable four-claw rotation center supporting tool for numerical control vehicle Download PDFInfo
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- CN214393335U CN214393335U CN202120563392.8U CN202120563392U CN214393335U CN 214393335 U CN214393335 U CN 214393335U CN 202120563392 U CN202120563392 U CN 202120563392U CN 214393335 U CN214393335 U CN 214393335U
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- shaped pressing
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Abstract
The utility model relates to a high-precision adjustable four-jaw rotary center supporting tool for a numerical control machine, which solves the technical problem that the other end of a workpiece is easy to greatly deviate to cause the unqualified workpiece after processing because the chuck of the existing numerical control machine clamps and fixes one end of the workpiece, the adjustable clamping device comprises a base, a center sleeve, a support frame, a first cover plate, a second cover plate, an adjusting bolt support sleeve, four adjusting bolts and four arc-shaped pressing blocks, wherein the center sleeve is rotatably connected with the support frame through two bearings, the first cover plate and the second cover plate are respectively fixedly connected with two end faces of the support frame, the center sleeve is connected with the adjusting bolt support sleeve, the four adjusting bolts are respectively connected with four threaded holes in the adjusting bolt support sleeve, the four arc-shaped pressing blocks are respectively fixedly connected with the end parts of the four adjusting bolts, and the bottom of the support frame is fixedly connected with the base through fixing bolts. The utility model discloses extensively be used for digit control machine tool.
Description
Technical Field
The utility model relates to a digit control machine tool technical field particularly, relates to an adjustable four paws of gyration center of numerical control for car high accuracy supports frock.
Background
The numerical control machine tool mainly comprises a machine tool main body, a numerical control device, a servo driving device and the like, wherein the machine tool main body comprises machine parts such as a machine tool body, a base, a stand column, a cross beam, a sliding seat, a workbench, a spindle box, a feeding mechanism, a chuck, a tool rest, an automatic tool changer and the like. Referring to fig. 1 of the attached drawings of the specification, one end of a workpiece 2 is clamped and fixed by a chuck 1 of a numerical control machine tool, and when the workpiece 2 is normally clamped, the central axis of the workpiece coincides with the axis of the chuck 1 of the numerical control machine tool, so that the processing quality can be ensured. However, in actual operation, the other end (unclamped end) of the workpiece 2 is likely to be largely displaced, and the machined thread or other machined surface is displaced from the reference, so that the machined workpiece is not acceptable and cannot be used.
Disclosure of Invention
The utility model discloses a solve the chuck of current digit control machine tool and press from both sides tight fixed work piece one end, the other end of work piece takes place great skew easily and leads to the unqualified technical problem of work piece after the processing, provides an adjustable four paws of gyration center support frock of digital control car-used high accuracy.
The technical scheme of the utility model is that, a digital control vehicle is with adjustable four paws gyration center support frock of high accuracy is provided, which comprises a base, the center cover, the support frame, first apron, the second apron, adjusting bolt supports the cover, first adjusting bolt, the second adjusting bolt, the third adjusting bolt, the fourth adjusting bolt, first arc briquetting, the second arc briquetting, third arc briquetting and fourth arc briquetting, the center cover rotates with the support frame through two bearings and is connected, first apron passes through screw and one terminal surface fixed connection of support frame, the second apron passes through screw and another terminal surface fixed connection of support frame, the first apron is equipped with the center through-hole, the second apron is equipped with the center through-hole, the center cover passes the center through-hole of first apron, the center cover passes the center through-hole of second apron; the central sleeve is connected with the adjusting bolt support sleeve, the adjusting bolt support sleeve is provided with a first threaded hole, a second threaded hole, a third threaded hole and a fourth threaded hole, the first adjusting bolt is connected with the first threaded hole in the adjusting bolt support sleeve, the second adjusting bolt is connected with the second threaded hole in the adjusting bolt support sleeve, the third adjusting bolt is connected with the third threaded hole in the adjusting bolt support sleeve, and the fourth adjusting bolt is connected with the fourth threaded hole in the adjusting bolt support sleeve; the first arc-shaped pressing block is fixedly connected with the end part of the first adjusting bolt, the second arc-shaped pressing block is fixedly connected with the end part of the second adjusting bolt, the third arc-shaped pressing block is fixedly connected with the end part of the third adjusting bolt, and the fourth arc-shaped pressing block is fixedly connected with the end part of the fourth adjusting bolt; the first arc-shaped pressing block, the second arc-shaped pressing block, the third arc-shaped pressing block and the fourth arc-shaped pressing block are positioned on the inner side of the adjusting bolt supporting sleeve; the bottom of the support frame is fixedly connected with the base through a fixing bolt.
Preferably, the adjusting bolt support sleeve is provided with an internal thread, the end of the central sleeve is provided with an external thread, and the internal thread of the adjusting bolt support sleeve is connected with the external thread at the end of the central sleeve.
Preferably, the first arc-shaped pressing block is fixedly connected with the end part of the first adjusting bolt through a screw, the second arc-shaped pressing block is fixedly connected with the end part of the second adjusting bolt through a screw, the third arc-shaped pressing block is fixedly connected with the end part of the third adjusting bolt through a screw, and the fourth arc-shaped pressing block is fixedly connected with the end part of the fourth adjusting bolt through a screw.
The beneficial effects of the utility model are that, the structure is ingenious, easy operation, can adjust the position of the tight end of the not clamp of work piece fast, conveniently, makes the axis of work piece and the axis coincidence of the chuck of digit control machine tool, guarantees processingquality.
Drawings
FIG. 1 is a schematic view of one end of a workpiece clamped in place by a chuck on a numerically controlled machine tool;
FIG. 2 is a schematic illustration of the central axis of the workpiece being offset relative to the axis of the chuck of the numerically controlled machine tool;
FIG. 3 is a schematic structural diagram of a high-precision adjustable four-claw rotation center supporting tool for a numerical control vehicle;
FIG. 4 is a side view of a high-precision adjustable four-claw rotation center supporting tool for a numerical control vehicle;
FIG. 5 is an exploded view of a high-precision adjustable four-jaw rotation center supporting tool for a numerical control vehicle;
FIG. 6 is a schematic structural diagram of the high-precision adjustable four-claw rotation center supporting tool for the numerical control vehicle for positioning the end of the workpiece.
The symbols in the drawings illustrate that:
1. a chuck of a numerically controlled machine tool; 2. the machining tool comprises a workpiece, 3, a base, 4, a fixing bolt, 5, a center sleeve, 6, a support frame, 7, a first cover plate, 8, a second cover plate, 9, a screw, 10, a screw, 11, a bearing, 12, an adjusting bolt support sleeve, 13, a first adjusting bolt, 14, a first arc-shaped pressing block, 15, a second arc-shaped pressing block, 16, a third arc-shaped pressing block, 17, a fourth arc-shaped pressing block, 18, a screw, 19, a second adjusting bolt, 20, a third adjusting bolt, 21, a fourth adjusting bolt, 22, a workpiece to be machined and 23, a chuck.
Detailed Description
As shown in fig. 3-6, the high-precision adjustable four-jaw rotation center supporting tool for the numerical control vehicle includes a base 3, a fixing bolt 4, a center sleeve 5, a supporting frame 6, a first cover plate 7, a second cover plate 8, a bearing 11, an adjusting bolt supporting sleeve 12, a first adjusting bolt 13, a second adjusting bolt 19, a third adjusting bolt 20, a fourth adjusting bolt 21, a first arc-shaped pressing block 14, a second arc-shaped pressing block 15, a third arc-shaped pressing block 16, and a fourth arc-shaped pressing block 17, wherein the center sleeve 5 is rotatably connected with the supporting frame 6 through two bearings 11, the first cover plate 7 is fixedly connected with one end face of the supporting frame 6 through a plurality of screws 9, the second cover plate 8 is fixedly connected with the other end face of the supporting frame 6 through a plurality of screws 10, the center sleeve 5 penetrates through a center through hole of the first cover plate 7, and the center sleeve 5 penetrates through a center through hole of the second cover plate 8. The adjusting bolt support sleeve 12 is provided with internal threads, the end part of the central sleeve 5 is provided with external threads, and the internal threads of the adjusting bolt support sleeve 12 are connected and matched with the external threads at the end part of the central sleeve 5 to realize the connection of the adjusting bolt support sleeve 12 and the end part of the central sleeve 5. The adjusting bolt support sleeve 12 is provided with a first threaded hole 12-1, a second threaded hole, a third threaded hole and a fourth threaded hole, the first adjusting bolt 13 is connected with the first threaded hole 12-1 on the adjusting bolt support sleeve 12, the second adjusting bolt 19 is connected with the second threaded hole of the adjusting bolt support sleeve 12, the third adjusting bolt 20 is connected with the third threaded hole of the adjusting bolt support sleeve 12, and the fourth adjusting bolt 21 is connected with the fourth threaded hole of the adjusting bolt support sleeve 12. The first arc-shaped pressing block 14 is fixedly connected with the end part of the first adjusting bolt 13 through a screw 18, similarly, the second arc-shaped pressing block 15 is fixedly connected with the end part of the second adjusting bolt 19 through a screw, the third arc-shaped pressing block 16 is fixedly connected with the end part of the third adjusting bolt 20 through a screw, and the fourth arc-shaped pressing block 17 is fixedly connected with the end part of the fourth adjusting bolt 21 through a screw. The first arc-shaped pressing block 14, the second arc-shaped pressing block 15, the third arc-shaped pressing block 16 and the fourth arc-shaped pressing block 17 are positioned on the inner side of the adjusting bolt support sleeve 12.
During the use, earlier base 3 fixed mounting is on the V type mesa of digit control machine tool, and reuse four fixing bolt 4 are with the bottom and the base 3 fixed connection of support frame 6 (four fixing bolt 4 pass the bottom of support frame 6 and be connected with the screw hole on the base 3). Then, referring to fig. 6, the workpiece 22 to be processed passes through the center sleeve 5, the chuck 23 clamps the left end of the workpiece 22 to be processed, the dial indicator is used to determine the runout value of the right end of the workpiece 22 to be processed, when the runout value is large, the first adjusting bolt 13, the second adjusting bolt 19, the third adjusting bolt 20 or the fourth adjusting bolt 21 is screwed, so that the first arc pressing block 14, the second arc pressing block 15, the third arc pressing block 16 or the fourth arc pressing block 17 are pressed against the right end of the workpiece 22 to be processed from the radial direction, and the position of the right end of the workpiece 22 to be processed is adjusted (when the four adjusting bolts are used for adjustment, the adjusting bolt support sleeve 12 can be manually rotated to change the positions of the four adjusting bolts) until the runout value of the right end of the workpiece 22 to be processed is detected by the dial indicator (the specific value is determined according to the characteristics of the actual product, for example, the runout value is less than 0.03 mm), the right end of the workpiece 22 to be machined is adjusted in place, the central axis of the workpiece 22 to be machined is overlapped with the axis of the chuck 1 of the numerical control machine tool, the first adjusting bolt 13, the second adjusting bolt 19, the third adjusting bolt 20 and the fourth adjusting bolt 21 are tightened, and the four arc-shaped press blocks clamp and fix the right end of the workpiece 22 to be machined. Finally, the numerically controlled machine tool is started, and the chuck 23 drives the workpiece 22 to be machined to rotate (the center sleeve 5 and the adjusting bolt support sleeve 12 rotate), and threads, annular grooves and the like are machined by the tool.
As shown in figure 4, the bottom of the support frame 6 is provided with a V-shaped groove 6-1, and the V-shaped groove 6-1 is matched with an inverted V-shaped groove of a machine tool, so that the stability of the tool is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as various modifications and variations will be apparent to those skilled in the art.
Claims (3)
1. A high-precision adjustable four-claw rotation center supporting tool for a numerical control vehicle is characterized by comprising a base, a center sleeve, a supporting frame, a first cover plate, a second cover plate, an adjusting bolt supporting sleeve, a first adjusting bolt, a second adjusting bolt, a third adjusting bolt, a fourth adjusting bolt, a first arc-shaped pressing block, a second arc-shaped pressing block, a third arc-shaped pressing block and a fourth arc-shaped pressing block, wherein the center sleeve is rotatably connected with the supporting frame through two bearings, the first cover plate is fixedly connected with one end face of the supporting frame through a screw, the second cover plate is fixedly connected with the other end face of the supporting frame through a screw, the first cover plate is provided with a center through hole, the second cover plate is provided with a center through hole, the center sleeve penetrates through the center through hole of the first cover plate, and the center sleeve penetrates through the center through hole of the second cover plate; the central sleeve is connected with the adjusting bolt support sleeve, the adjusting bolt support sleeve is provided with a first threaded hole, a second threaded hole, a third threaded hole and a fourth threaded hole, the first adjusting bolt is connected with the first threaded hole in the adjusting bolt support sleeve, the second adjusting bolt is connected with the second threaded hole in the adjusting bolt support sleeve, the third adjusting bolt is connected with the third threaded hole in the adjusting bolt support sleeve, and the fourth adjusting bolt is connected with the fourth threaded hole in the adjusting bolt support sleeve; the first arc-shaped pressing block is fixedly connected with the end part of the first adjusting bolt, the second arc-shaped pressing block is fixedly connected with the end part of the second adjusting bolt, the third arc-shaped pressing block is fixedly connected with the end part of the third adjusting bolt, and the fourth arc-shaped pressing block is fixedly connected with the end part of the fourth adjusting bolt; the first arc-shaped pressing block, the second arc-shaped pressing block, the third arc-shaped pressing block and the fourth arc-shaped pressing block are positioned on the inner side of the adjusting bolt supporting sleeve; the bottom of the support frame is fixedly connected with the base through a fixing bolt.
2. The high-precision adjustable four-claw rotation center supporting tool for the numerical control vehicle as claimed in claim 1, wherein the adjusting bolt supporting sleeve is provided with an internal thread, the end of the center sleeve is provided with an external thread, and the internal thread of the adjusting bolt supporting sleeve is connected with the external thread at the end of the center sleeve.
3. The high-precision adjustable four-claw rotation center supporting tool for the numerical control vehicle according to claim 1, wherein the first arc-shaped pressing block is fixedly connected with an end portion of a first adjusting bolt through a screw, the second arc-shaped pressing block is fixedly connected with an end portion of a second adjusting bolt through a screw, the third arc-shaped pressing block is fixedly connected with an end portion of a third adjusting bolt through a screw, and the fourth arc-shaped pressing block is fixedly connected with an end portion of a fourth adjusting bolt through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120563392.8U CN214393335U (en) | 2021-03-18 | 2021-03-18 | High-precision adjustable four-claw rotation center supporting tool for numerical control vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120563392.8U CN214393335U (en) | 2021-03-18 | 2021-03-18 | High-precision adjustable four-claw rotation center supporting tool for numerical control vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214393335U true CN214393335U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120563392.8U Active CN214393335U (en) | 2021-03-18 | 2021-03-18 | High-precision adjustable four-claw rotation center supporting tool for numerical control vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214393335U (en) |
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2021
- 2021-03-18 CN CN202120563392.8U patent/CN214393335U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High precision adjustable four jaw rotary center support tooling for NC lathe Effective date of registration: 20220217 Granted publication date: 20211015 Pledgee: Qi quotient bank Limited by Share Ltd. Weihai Wendeng branch Pledgor: HEHONG NEW MATERIAL SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2022980001641 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230327 Granted publication date: 20211015 Pledgee: Qi quotient bank Limited by Share Ltd. Weihai Wendeng branch Pledgor: HEHONG NEW MATERIAL SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2022980001641 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |