CN203076921U - Rotary working table for numerical control turning machine - Google Patents
Rotary working table for numerical control turning machine Download PDFInfo
- Publication number
- CN203076921U CN203076921U CN 201320071325 CN201320071325U CN203076921U CN 203076921 U CN203076921 U CN 203076921U CN 201320071325 CN201320071325 CN 201320071325 CN 201320071325 U CN201320071325 U CN 201320071325U CN 203076921 U CN203076921 U CN 203076921U
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- Prior art keywords
- worm
- main shaft
- gear
- gear ring
- worm screw
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Abstract
The utility model discloses a rotary working table for a numerical control turning machine. The rotary working table comprises a box, a front end cover, a rear end cover, a main shaft, a working table surface, a three-gear ring meshing mechanism, an oil cylinder, and a driving mechanism for driving the main shaft to rotate, wherein the three-gear ring meshing mechanism comprises an outer gear ring, an inner gear ring and a locking gear ring; the outer gear ring is fixedly connected with the front end cover; the inner gear ring is sleeved on the main shaft and is fixedly connected with the main shaft; the locking gear ring is sleeved on the main shaft through a gear ring inner sleeve; the front end cover and the rear end cover are fixedly connected to the box; the main shaft is rotatably supported on the front end cover and the rear end cover; the working table surface 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 and is engaged with or disengaged from the outer gear ring and the inner gear ring; the driving mechanism comprises a worm gear assembly, a worm, a coupling and a motor; an output shaft of the motor is fixedly connected with one end of the worm through the coupling; and the worm gear assembly is sleeved on the main shaft. A transmission part of the rotary working table is simple in structure; a plurality of intermediate transmission links are eliminated; and the motor is directly adopted to drive the worm to rotate, therefore, the transmission accuracy and the transmission efficiency are improved.
Description
Technical field
The utility model relates to a kind of Digit Control Machine Tool rotary table, is 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 the 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 back 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 back 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 all are to realize workbench transposition campaign by device for revolving and driving, all be to make table positions by latch or fluted disc, existing these type rotary table ubiquity complex structures, little, the maintenance adjustment difficulty in space, can not realize defectives such as equation graduation and differential calibration simultaneously, 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 in the utility model is the defective that overcomes prior art, and a kind of Digit Control Machine Tool rotary table is provided, and its running part is simple in structure, some middle 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, the technical solution of the utility model is: a kind of Digit Control Machine Tool rotary table, 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 fixedlyed connected with drive end bearing bracket, ring gear is sleeved on the main shaft, and fixedly connected with main shaft, the locking gear ring is by being sleeved in the gear ring on the main shaft, drive end bearing bracket and rear end cap all are fixedly connected on the casing, main shaft can be rotated to support on drive end bearing bracket and the 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 so that 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 fixedlyed connected with the end of worm screw by shaft coupling, and Worm-gear assembly is sleeved on the main shaft.
Further, be provided with the worm screw supporting device in the described casing, this worm screw supporting device comprises cover in bearing block, locking nut and the worm screw, bearing block is installed in the casing, the other end of worm screw can be rotated to support in the bearing block by bearing, locking nut is sleeved on the worm screw in the worm screw by being threaded on the worm screw, and overlaps a side that is positioned at locking nut in the worm screw.
Further, described Worm-gear assembly comprises cover in worm gear and the worm gear, is sleeved on the main shaft in the worm gear, and worm gear is fixedly connected in the worm gear and puts, worm gear and worm engaging.
Further, put in the 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 installed on the casing.
After having adopted technique scheme, the utility model not only can be realized equation graduation, and the calibration that can finish differential (0.001 °) moves, when branches such as needs execution revolution action, 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 the main shaft, main shaft just and then rotates, again because work top is fixedly mounted on the front end of main shaft, work top is and then rotation just, and when forwarding assigned address to, system sends signal, oil cylinder control locking gear ring, make the engagement of locking gear ring and ring gear and external toothing lock, main shaft just stops operating, thereby work top stops operating, to specified angle, thereby finish transposition action, the utility model 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 middle transmission link to bring has improved the reliability and the precision of workbench effectively.
Description of drawings
Fig. 1 is the structural representation of Digit Control Machine Tool of the present utility model with rotary table;
Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment
Content of the present utility model is easier to be expressly understood in order to make, according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail below,
As Fig. 1, shown in 2, a kind of Digit Control Machine Tool rotary table, 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 fixedlyed connected with drive end bearing bracket 5, ring gear 7 is sleeved on the main shaft 2, and fixedly connected with main shaft 2, locking gear ring 8 is sleeved on the main shaft 2 by cover 10 in the gear ring, drive end bearing bracket 5 and rear end cap 16 all are fixedly connected on the casing 1, main shaft 2 can be rotated to support on drive end bearing bracket 5 and the 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 so that 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 fixedlyed connected with the end of worm screw 21 by shaft coupling 24, and Worm-gear assembly is sleeved on the main shaft 2.The utility model 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 middle transmission link to bring has improved the reliability and the precision of workbench effectively.
As shown in Figure 2, be provided with the worm screw supporting device in the casing 1, this worm screw supporting device comprises cover 20 in bearing block 18, locking nut 19 and the worm screw, bearing block 18 is installed in the casing 1, the other end of worm screw 21 can be rotated to support in the bearing block 18 by bearing, locking nut 19 is by being threaded on the worm screw 21, and cover 20 is sleeved on the worm screw 21 in the worm screw, and the interior cover 20 of worm screw is positioned at a side of locking nut 19.
As shown in Figure 1, Worm-gear assembly comprises cover 13 in worm gear 14 and the worm gear, and cover 13 is sleeved on the main shaft 2 in the worm gear, and worm gear 14 is fixedly connected on the interior cover 13 of worm gear, worm gear 14 and worm screw 21 engagements.
Be set with dividing plate 11 on the cover 10 in the gear ring, 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 installed on the casing 1.
Operation principle of the present utility model is as follows:
The utility model not only can be realized equation graduation, and the calibration that can finish differential (0.001 °) moves, when branches such as needs execution revolution action, 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 the main shaft 2, main shaft 2 just and then rotates, and again because work top 9 is fixedly mounted on the front end of main shaft 2, work top 9 is and then rotation just, when forwarding assigned address to, system sends signal, and oil cylinder 4 control locking gear rings 8 make and lock 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, and to specified angle, thereby finishes transposition action.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. Digit Control Machine Tool rotary table, 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 fixedlyed connected with drive end bearing bracket (5), ring gear (7) is sleeved on the main shaft (2), and fixedly connected with main shaft (2), locking gear ring (8) is sleeved on the main shaft (2) by cover (10) in the gear ring, drive end bearing bracket (5) and rear end cap (16) all are fixedly connected on the casing (1), main shaft (2) can be rotated to support on drive end bearing bracket (5) and the 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) so that lock gear ring (8) and moves axially on main shaft (2) with external toothing (3) and ring gear (7) and mesh or disengaging, 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 fixedlyed connected with the end of worm screw (21) by shaft coupling (24), and Worm-gear assembly is sleeved on the main shaft (2).
2. Digit Control Machine Tool rotary table 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), cover (20) in locking nut (19) and the worm screw, bearing block (18) is installed in the casing (1), the other end of worm screw (21) can be rotated to support in the bearing block (18) by bearing, locking nut (19) is by being threaded on the worm screw (21), cover (20) is sleeved on the worm screw (21) in the worm screw, and overlaps the side that (20) are positioned at locking nut (19) in the worm screw.
3. Digit Control Machine Tool rotary table according to claim 1, it is characterized in that: described Worm-gear assembly comprises cover (13) in worm gear (14) and the worm gear, cover (13) is sleeved on the main shaft (2) in the worm gear, worm gear (14) is fixedly connected on and overlaps in the worm gear on (13), worm gear (14) and worm screw (21) engagement.
4. Digit Control Machine Tool rotary table according to claim 1 is characterized in that: be set with dividing plate (11) on the cover (10) in the described gear ring, and dividing plate (11) is positioned between locking gear ring (8) and the Worm-gear assembly.
5. Digit Control Machine Tool rotary table according to claim 1 is characterized in that: be covered with motor cover (26) in the periphery of motor (23), this motor cover (26) is installed on the casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320071325 CN203076921U (en) | 2013-02-07 | 2013-02-07 | Rotary working table for numerical control turning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320071325 CN203076921U (en) | 2013-02-07 | 2013-02-07 | Rotary working table for numerical control turning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203076921U true CN203076921U (en) | 2013-07-24 |
Family
ID=48822796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320071325 Expired - Lifetime CN203076921U (en) | 2013-02-07 | 2013-02-07 | Rotary working table for numerical control turning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203076921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111852A (en) * | 2013-02-07 | 2013-05-22 | 常州市宏达机床数控设备有限公司 | Rotating table used for numerically-control machine tool |
-
2013
- 2013-02-07 CN CN 201320071325 patent/CN203076921U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111852A (en) * | 2013-02-07 | 2013-05-22 | 常州市宏达机床数控设备有限公司 | Rotating table used for numerically-control machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Yaoguan town Qi line 213011 Wujin District Jiangsu city of Changzhou province 1 8 kilometers Patentee after: JIANGSU HONGDA NUMERICAL CONTROL SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 213011, 1.8 kilometers, Qi Xiang highway, Changzhou, Jiangsu, Qishuyan Patentee before: CHANGZHOU HONGDA MACHINE TOOL CNC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |