CN103111852A - Rotating table used for numerically-control machine tool - Google Patents
Rotating table used for numerically-control machine tool Download PDFInfo
- Publication number
- CN103111852A CN103111852A CN2013100491530A CN201310049153A CN103111852A CN 103111852 A CN103111852 A CN 103111852A CN 2013100491530 A CN2013100491530 A CN 2013100491530A CN 201310049153 A CN201310049153 A CN 201310049153A CN 103111852 A CN103111852 A CN 103111852A
- Authority
- CN
- China
- Prior art keywords
- worm
- main shaft
- gear
- gear ring
- worm screw
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a rotating table used for a numerically-control machine tool. The rotating table comprises a box body, a front end cover, a rear end cover, a main shaft, a working table facet, a three-gear-ring meshing mechanism, an oil cylinder and a driving mechanism driving the main shaft to rotate. The three-gear-ring meshing mechanism comprises an external gear ring, an internal gear ring and a locking gear ring, wherein the external gear ring is fixedly connected with the front end cover, the internal gear ring is sleeved on the main shaft and is fixedly connected with the main shaft, and the locking gear ring is sleeved on the main shaft through the internal gear ring. The front end cover and the rear end cover are both fixedly connected with the box body. The main shaft is rotatably supported on the front end cover and the rear end cover. The working table facet is fixedly sleeved at one end of the main shaft. The oil cylinder is connected with the locking gear ring so that the locking gear ring axially moves on the main shaft to be meshed with or detached from the external gear ring and the internal gear ring. The driving mechanism comprises a worm wheel assembly, a worm, a coupler and a motor, wherein an output shaft of the motor is fixedly connected with one end of the worm through the coupler, and the worm wheel assembly is sleeved on the main shaft. A transmission portion of the rotating table is simple in structure, several middle transmission links are eliminated, the motor directly drives the worm to rotate, transmission precision is improved, and transmission efficiency is improved.
Description
Technical field
The present invention relates to a kind of rotary worktable for numerical control machine, be used for numerical control machining center, numerical control gantry mill, multi-functional combined numerically controlled processing and special purpose machine tool.
Background technology
At present, rotary table is mounted on revolution class multi-station machine tool, is used for realizing a kind of workbench that the multiple working procedure of part processes at one time.The rotary table that generally adopts in mechanical processing industry has following several types usually: the one, rotate by the driven by motor camshaft, and then drive the bearing pin be distributed in the workbench below and make the workbench transposition, the rear switch that puts in place is posted a letter, is made table positions by latch or fluted disc again; The 2nd, make the workbench transposition by angling cylinder, the rear switch that puts in place is posted a letter, is made table positions by latch or fluted disc again.Above-described two kinds of structure rotary tables are all to realize workbench transposition campaign by device for revolving and driving, all to make table positions by latch or fluted disc, existing these type rotary table ubiquity complex structures, space are little, difficulty is adjusted in maintenance, can not realize simultaneously the defectives such as equation graduation and differential calibration, simultaneously, the rotary table of prior art has adopted a lot of intermediate transmission mechanism, causes its transmission accuracy to descend, and transmission efficiency is low.
Summary of the invention
Technical problem to be solved by this invention is the defective that overcomes prior art, and a kind of rotary worktable for numerical control machine is provided, and its running part is simple in structure, some intermediate transmission links have been saved, directly adopt the rotation of motor-driven worm screw, improved transmission accuracy, increased transmission efficiency.
in order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of rotary worktable for numerical control machine, comprise casing, drive end bearing bracket, rear end cap, main shaft, work top, the driving mechanism of three gear ring engaging mechanisms and oil cylinder and drive shaft rotation, three gear ring engaging mechanisms comprise external toothing, ring gear and locking gear ring, external toothing is fixedly connected with drive end bearing bracket, ring gear is sleeved on main shaft, and be fixedly connected with main shaft, the locking gear ring is sleeved on main shaft by the gear ring inner sleeve, drive end bearing bracket and rear end cap all are fixedly connected on casing, main shaft can be rotated to support on drive end bearing bracket and rear end cap, work top is sleeved on an end of main shaft regularly, oil cylinder is connected with the locking gear ring that gear ring moves axially and external toothing and ring gear mesh or disengaging in order to lock on main shaft, driving mechanism comprises Worm-gear assembly, worm screw, shaft coupling and motor, Worm-gear assembly and worm engaging, the output shaft of motor is fixedly connected with the end of worm screw by shaft coupling, Worm-gear assembly is sleeved on main shaft.
Further, be provided with the worm screw supporting device in described casing, this worm screw supporting device comprises bearing block, locking nut and worm screw inner sleeve, bearing block is arranged in casing, the other end of worm screw can be rotated to support in bearing block by bearing, locking nut is threaded connection on worm screw, and the worm screw inner sleeve is sleeved on worm screw, and the worm screw inner sleeve is positioned at a side of locking nut.
Further, described Worm-gear assembly comprises worm gear and worm gear inner sleeve, and the worm gear inner sleeve is sleeved on main shaft, and worm gear is fixedly connected in worm gear and puts, worm gear and worm engaging.
Further, put in described gear ring and be set with dividing plate, and dividing plate is between locking gear ring and Worm-gear assembly.
Further, be covered with motor cover in the periphery of motor, this motor cover is arranged on casing.
after having adopted technique scheme, the present invention not only can realize equation graduation, and the calibration that can complete differential (0.001 °) moves, when minute revolutions such as needs execution are moved, oil cylinder drives the locking gear ring and moves backward, the locking gear ring does not mesh with external toothing and ring gear, the rotation of driven by motor worm gear, because Worm-gear assembly is fixedly set on main shaft, main shaft just and then rotates, be fixedly mounted on again the front end of main shaft due to work top, work top is and then rotation just, when forwarding assigned address to, system sends signal, oil cylinder is controlled the locking gear ring, make locking gear ring and ring gear and external toothing engagement locking, main shaft just stops operating, thereby work top stops operating, to specified angle, thereby complete transposition action, the present invention directly adopts motor to be connected with worm screw, the intermediate links such as gear mechanism in the middle of having saved, the driving error of having avoided the intermediate transmission link to bring, reliability and the precision of workbench have effectively been improved.
Description of drawings
Fig. 1 is the structural representation of rotary worktable for numerical control machine of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment
Content of the present invention is easier to be expressly understood in order to make, and the below is according to specific embodiment and by reference to the accompanying drawings, and the present invention is further detailed explanation,
as Fig. 1, shown in 2, a kind of rotary worktable for numerical control machine, comprise casing 1, drive end bearing bracket 5, rear end cap 16, main shaft 2, work top 9, the driving mechanism of three gear ring engaging mechanisms and oil cylinder 4 and drive shaft 2 rotations, three gear ring engaging mechanisms comprise external toothing 3, ring gear 7 and locking gear ring 8, external toothing 3 is fixedly connected with drive end bearing bracket 5, ring gear 7 is sleeved on main shaft 2, and be fixedly connected with main shaft 2, locking gear ring 8 is sleeved on main shaft 2 by gear ring inner sleeve 10, drive end bearing bracket 5 and rear end cap 16 all are fixedly connected on casing 1, main shaft 2 can be rotated to support on drive end bearing bracket 5 and rear end cap 16, work top 9 is sleeved on an end of main shaft 2 regularly, oil cylinder 4 is connected with locking gear ring 8 that gear ring 8 moves axially and external toothing 3 and ring gear 7 meshes or disengaging in order to lock on main shaft 2, driving mechanism comprises Worm-gear assembly, worm screw 21, shaft coupling 24 and motor 23, Worm-gear assembly and worm screw 21 engagements, the output shaft of motor 23 is fixedly connected with the end of worm screw 21 by shaft coupling 24, Worm-gear assembly is sleeved on main shaft 2.The present invention directly adopts motor 23 to be connected with worm screw 21, the intermediate links such as gear mechanism in the middle of having saved, and the driving error of having avoided the intermediate transmission link to bring has improved reliability and the precision of workbench effectively.
As shown in Figure 2, be provided with the worm screw supporting device in casing 1, this worm screw supporting device comprises bearing block 18, locking nut 19 and worm screw inner sleeve 20, bearing block 18 is arranged in casing 1, the other end of worm screw 21 can be rotated to support in bearing block 18 by bearing, locking nut 19 is threaded connection on worm screw 21, and worm screw inner sleeve 20 is sleeved on worm screw 21, and worm screw inner sleeve 20 is positioned at a side of locking nut 19.
As shown in Figure 1, Worm-gear assembly comprises worm gear 14 and worm gear inner sleeve 13, and worm gear inner sleeve 13 is sleeved on main shaft 2, and worm gear 14 is fixedly connected on worm gear inner sleeve 13, worm gear 14 and worm screw 21 engagements.
Be set with dividing plate 11 on gear ring inner sleeve 10, and dividing plate 11 is between locking gear ring 8 and Worm-gear assembly.
As shown in Figure 2, be covered with motor cover 26 in the periphery of motor 23, this motor cover 26 is arranged on casing 1.
Operation principle of the present invention is as follows:
the present invention not only can realize equation graduation, and the calibration that can complete differential (0.001 °) moves, when minute revolutions such as needs execution are moved, oil cylinder 4 drives locking gear ring 8 and moves backward, locking gear ring 8 does not mesh with external toothing 3 and ring gear 7, motor 23 drives the worm gear rotation, because Worm-gear assembly is fixedly set on main shaft 2, main shaft 2 just and then rotates, be fixedly mounted on again the front end of main shaft 2 due to work top 9, work top 9 is and then rotation just, when forwarding assigned address to, system sends signal, oil cylinder 4 is controlled locking gear ring 8, make locking gear ring 8 and ring gear 7 and external toothing 3 engagement lockings, main shaft 2 just stops operating, thereby work top 9 stops operating, to specified angle, thereby complete transposition action.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. rotary worktable for numerical control machine, comprise casing (1), drive end bearing bracket (5), rear end cap (16), main shaft (2), work top (9), the driving mechanism of three gear ring engaging mechanisms and oil cylinder (4) and drive shaft (2) rotation, three gear ring engaging mechanisms comprise external toothing (3), ring gear (7) and locking gear ring (8), external toothing (3) is fixedly connected with drive end bearing bracket (5), ring gear (7) is sleeved on main shaft (2), and be fixedly connected with main shaft (2), locking gear ring (8) is sleeved on main shaft (2) by gear ring inner sleeve (10), drive end bearing bracket (5) and rear end cap (16) all are fixedly connected on casing (1), main shaft (2) can be rotated to support on drive end bearing bracket (5) and rear end cap (16), work top (9) is sleeved on an end of main shaft (2) regularly, oil cylinder (4) is connected with locking gear ring (8) that gear ring (8) moves axially and external toothing (3) and ring gear (7) mesh or disengaging in order to lock on main shaft (2), it is characterized in that: driving mechanism comprises Worm-gear assembly, worm screw (21), shaft coupling (24) and motor (23), Worm-gear assembly and worm screw (21) engagement, the output shaft of motor (23) is fixedly connected with by the end of shaft coupling (24) with worm screw (21), Worm-gear assembly is sleeved on main shaft (2).
2. rotary worktable for numerical control machine according to claim 1, it is characterized in that: described casing is provided with the worm screw supporting device in (1), this worm screw supporting device comprises bearing block (18), locking nut (19) and worm screw inner sleeve (20), bearing block (18) is arranged in casing (1), the other end of worm screw (21) can be rotated to support in bearing block (18) by bearing, locking nut (19) is threaded connection on worm screw (21), worm screw inner sleeve (20) is sleeved on worm screw (21), and worm screw inner sleeve (20) is positioned at a side of locking nut (19).
3. rotary worktable for numerical control machine according to claim 1, it is characterized in that: described Worm-gear assembly comprises worm gear (14) and worm gear inner sleeve (13), worm gear inner sleeve (13) is sleeved on main shaft (2), worm gear (14) is fixedly connected on worm gear inner sleeve (13), worm gear (14) and worm screw (21) engagement.
4. rotary worktable for numerical control machine according to claim 1, is characterized in that: be set with dividing plate (11) on described gear ring inner sleeve (10), and dividing plate (11) is positioned between locking gear ring (8) and Worm-gear assembly.
5. rotary worktable for numerical control machine according to claim 1, it is characterized in that: be covered with motor cover (26) in the periphery of motor (23), this motor cover (26) is arranged on casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100491530A CN103111852A (en) | 2013-02-07 | 2013-02-07 | Rotating table used for numerically-control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100491530A CN103111852A (en) | 2013-02-07 | 2013-02-07 | Rotating table used for numerically-control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103111852A true CN103111852A (en) | 2013-05-22 |
Family
ID=48410266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100491530A Pending CN103111852A (en) | 2013-02-07 | 2013-02-07 | Rotating table used for numerically-control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103111852A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481068A (en) * | 2013-09-24 | 2014-01-01 | 烟台市三立工业有限公司 | Numerically-controlled vertical rotary working table |
| CN103551865A (en) * | 2013-11-19 | 2014-02-05 | 周永林 | Numerically-controlled hydraulic direct-drive oil cylinder uniformly-divided workbench |
| CN104907888A (en) * | 2015-06-20 | 2015-09-16 | 苏州蓝王机床工具科技有限公司 | Lathe spindle indexing device |
| CN107498362A (en) * | 2017-09-27 | 2017-12-22 | 上海明索重型机械股份有限公司 | The main shaft gear shifting structure of Digit Control Machine Tool |
| WO2020199725A1 (en) * | 2019-04-02 | 2020-10-08 | 陕西科技大学 | Transposition device of inner globoidal cam mechanism |
| CN112059647A (en) * | 2020-09-18 | 2020-12-11 | 东莞市固达机械制造有限公司 | Arbitrary angle rotation seat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3373658A (en) * | 1965-10-19 | 1968-03-19 | Gorton Machine Corp | Metalworking machine |
| CN201316805Y (en) * | 2008-12-23 | 2009-09-30 | 温州东海数控机床有限公司 | Digital control sphere processing turntable |
| CN202278266U (en) * | 2011-10-12 | 2012-06-20 | 武汉国威重型机械制造有限公司 | Single-worm-gear dual-worm dual-motor-driven worm and gear pair |
| CN202356872U (en) * | 2011-12-07 | 2012-08-01 | 常州市宏达机床数控设备有限公司 | Numerical control rotary worktable |
| CN203076921U (en) * | 2013-02-07 | 2013-07-24 | 常州市宏达机床数控设备有限公司 | Rotary working table for numerical control turning machine |
-
2013
- 2013-02-07 CN CN2013100491530A patent/CN103111852A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3373658A (en) * | 1965-10-19 | 1968-03-19 | Gorton Machine Corp | Metalworking machine |
| CN201316805Y (en) * | 2008-12-23 | 2009-09-30 | 温州东海数控机床有限公司 | Digital control sphere processing turntable |
| CN202278266U (en) * | 2011-10-12 | 2012-06-20 | 武汉国威重型机械制造有限公司 | Single-worm-gear dual-worm dual-motor-driven worm and gear pair |
| CN202356872U (en) * | 2011-12-07 | 2012-08-01 | 常州市宏达机床数控设备有限公司 | Numerical control rotary worktable |
| CN203076921U (en) * | 2013-02-07 | 2013-07-24 | 常州市宏达机床数控设备有限公司 | Rotary working table for numerical control turning machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481068A (en) * | 2013-09-24 | 2014-01-01 | 烟台市三立工业有限公司 | Numerically-controlled vertical rotary working table |
| CN103551865A (en) * | 2013-11-19 | 2014-02-05 | 周永林 | Numerically-controlled hydraulic direct-drive oil cylinder uniformly-divided workbench |
| CN103551865B (en) * | 2013-11-19 | 2015-09-30 | 周永林 | Point workbench such as the straight displacement of reservoir oil cylinder of numerical control hydraulic |
| CN104907888A (en) * | 2015-06-20 | 2015-09-16 | 苏州蓝王机床工具科技有限公司 | Lathe spindle indexing device |
| CN104907888B (en) * | 2015-06-20 | 2017-10-03 | 宿迁天成锋精机股份有限公司 | Lathe spindle indexing means |
| CN107498362A (en) * | 2017-09-27 | 2017-12-22 | 上海明索重型机械股份有限公司 | The main shaft gear shifting structure of Digit Control Machine Tool |
| WO2020199725A1 (en) * | 2019-04-02 | 2020-10-08 | 陕西科技大学 | Transposition device of inner globoidal cam mechanism |
| CN112059647A (en) * | 2020-09-18 | 2020-12-11 | 东莞市固达机械制造有限公司 | Arbitrary angle rotation seat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103111852A (en) | Rotating table used for numerically-control machine tool | |
| CN103753333B (en) | The elimination backlash structure of gear drive | |
| CN203409594U (en) | Indexing head | |
| CN102039451B (en) | Planetary fingerlike facing cutter | |
| CN202356872U (en) | Numerical control rotary worktable | |
| CN102773721A (en) | Multi-functional subdivision angle processing angle table | |
| CN101704134A (en) | Variable-angle reversing mechanism on face gear shaping machine dividing tooth transmission chain | |
| CN203076921U (en) | Rotary working table for numerical control turning machine | |
| CN201102110Y (en) | Numerical control spiral bevel gear milling equipment workpiece principal axis transmission device | |
| CN105202153A (en) | Welding manipulator horizontal gun rotating mechanism clearance-less gear and output transmission device | |
| CN205572055U (en) | Cam -type annular indexing means | |
| CN103769948A (en) | Numerical control rotary table of horizontal machining center | |
| CN100443252C (en) | Single-screw drive type double pendulum angle milling head | |
| CN203765309U (en) | Direct drive type numerical control turntable | |
| CN203636505U (en) | Numerical control rotary working table of horizontal machining center | |
| CN203317116U (en) | Zero-transmission six-axis linkage numerical-control milling head | |
| CN202780646U (en) | High-precision lathe | |
| CN202527758U (en) | Inner whirling milling machine capable of linking deflection of cutter head | |
| CN201970133U (en) | Anti-backlash reduction box | |
| EP3677366B1 (en) | Turret tool post | |
| CN106239233A (en) | A kind of chain digital control gear hobbing machine directly drive workbench | |
| CN202726514U (en) | Multi-functional subdivision angle processing angle table | |
| CN201427250Y (en) | Rotational structure of turret | |
| CN102554324B (en) | Cutterhead-deflected linkable internal turbo cutlery | |
| CN205226241U (en) | Transmission in gear reduction box is supplied with in output of digit control machine tool biax |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Yaoguan town Qi line 213011 Wujin District Jiangsu city of Changzhou province 1 8 kilometers Applicant after: JIANGSU HONGDA NUMERICAL CONTROL SCIENCE & TECHNOLOGY CO., LTD. Address before: 213011, 1.8 kilometers, Qi Xiang highway, Changzhou, Jiangsu, Qishuyan Applicant before: Changzhou Hongda Machine Tool CNC Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130522 |