CN213411102U - High-precision numerical control rotary table - Google Patents
High-precision numerical control rotary table Download PDFInfo
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- CN213411102U CN213411102U CN202022252053.6U CN202022252053U CN213411102U CN 213411102 U CN213411102 U CN 213411102U CN 202022252053 U CN202022252053 U CN 202022252053U CN 213411102 U CN213411102 U CN 213411102U
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Abstract
The utility model discloses a high-precision numerical control rotary table, which comprises a base and a rotary table, wherein two sets of servo motors, speed reducers and gears are arranged on the base; the rotary table is connected with a gear ring through a screw and a pin, and is in meshing transmission with two sets of servo motors, speed reducers and gears on the base through the gear ring; four clamping cylinders are arranged outside the base in the circumferential direction and are mounted on the base, and gaps are formed between the clamping cylinders and the gear ring; when the rotary table rotates to an angle position required by machining, the clamping cylinder clamps the gear ring under the action of the hydraulic plunger, so that the rotary table and a workpiece at any position can be reliably clamped. The utility model discloses can be under guaranteeing numerical control revolving stage high accuracy degree prerequisite, long-time continuous operation linkage, the operation precision does not receive mechanical wear to influence, no longer needs regular pretension to disappear the clearance and maintains, saves cost of maintenance, and the processing property is more stable, efficiency is higher.
Description
Technical Field
The utility model relates to a high-accuracy numerical control revolving platform device is applied to the digit control machine tool trade, belongs to and equips manufacturing technical field.
Background
The existing horizontal machining center and five-axis gantry machining center are widely applied to the fields of aerospace and the like, a machine tool can be more suitable for efficient machining of parts with complex characteristics and rotation by the aid of the high-precision numerical control rotary table, the numerical control rotary table is required to have a high-precision indexing linkage function, the requirements can be met by combining double-motor anti-backlash with an external clamping cylinder, and the anti-backlash of a regular maintenance adjusting structure can be avoided.
Currently, the similar numerical control rotary tables mostly adopt modes of worm and gear driving, spring piece clamping and the like, and because the worm and gear have large heat productivity during operation, long-time continuous arbitrary indexing cannot be realized, the worm and gear structure is easy to wear, and the gap needs to be adjusted regularly; the spring piece is difficult to clamp and maintain and has higher cost.
Disclosure of Invention
The utility model aims to solve the technical problem that to the defect that prior art exists, a high accuracy numerical control revolving platform is provided.
In order to solve the technical problem, the utility model provides a high-precision numerical control rotary table, which comprises a base and a rotary table, wherein two sets of servo motors, speed reducers and gears are arranged on the base; the rotary table is connected with a gear ring through a screw and a pin, and is in meshing transmission with two sets of servo motors, speed reducers and gears on the base through the gear ring; four clamping cylinders are arranged outside the base in the circumferential direction and are mounted on the base, and gaps are formed between the clamping cylinders and the gear ring; when the rotary table rotates to an angle position required by machining, the clamping cylinder clamps the gear ring under the action of the hydraulic plunger, so that the rotary table and a workpiece at any position can be reliably clamped.
The rotary table is supported by a thrust roller bearing and positioned by a tapered roller bearing.
The base is fixed on the ground. The base is provided with the circular grating and the connecting disc which are fixedly connected through bolts, the center of the rotary table is provided with the connecting plate which is connected with the circular grating through a coupler, and thus the feedback control of any graduation of the rotary table is realized.
Has the advantages that: the utility model discloses can be under guaranteeing numerical control revolving stage high accuracy degree prerequisite, long-time continuous operation linkage, the operation precision does not receive mechanical wear to influence, no longer needs regular pretension to disappear the clearance and maintains, saves cost of maintenance, and the processing property is more stable, efficiency is higher. The utility model discloses the graduation linkage, the optional position location of the high accuracy of revolving platform and processing work piece are tight tightly can be realized to satisfy high-grade digit control machine tool to the demand of high accuracy graduation revolving stage functional unit.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic plan view of the structure of the present invention.
In the figure: the device comprises a base 1, a rotary table 2, a clamping cylinder 3, a gear ring 4, a thrust roller bearing 5, a tapered roller bearing 6, a pressing plate 7, a connecting plate 9, a circular grating 10, a connecting plate 11, a servo motor 12, a speed reducer 13 and a gear 14.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1 is a front view showing a schematic structure of the present invention.
Fig. 2 is a schematic plan view of the structure of the present invention.
The utility model provides a high-precision numerical control rotary table, which comprises a base 1 and a rotary table 2, wherein two sets of servo motors 12, a speed reducer 13 and a gear 14 are arranged on the base 1; the rotary table 2 is connected with the gear ring 4 through a screw and a pin, the rotary table 2 is in meshing transmission with the two sets of servo motors 9, the speed reducer 10 and the gear 14 on the base 1 through the gear ring 4 respectively, the servo motor 12 drives the gear ring 4 and the rotary table 2 to rotate randomly, and the two sets of driving electric preloading backlash elimination devices realize high-precision indexing performance; four clamping cylinders 3 are externally arranged on the base 1 in the circumferential direction, the clamping cylinders 3 are arranged on the base 1, and gaps are formed between the clamping cylinders 3 and the gear ring 4; when the rotary table 2 rotates to an angle position required by machining, the clamping cylinder 3 clamps the gear ring under the action of the hydraulic plunger, so that the rotary table and a workpiece at any position can be reliably clamped.
The rotary table 2 is supported by a thrust roller bearing 5 and positioned by a tapered roller bearing 6, and has good bearing capacity and precision stability.
The base 1 is provided with the circular grating 8 which is connected through the connecting disc 11 by bolts, the center of the rotary table 2 is provided with the connecting plate 9, and the connecting plate is connected with the circular grating 10 through the coupler 8, so that the feedback control of the arbitrary graduation of the rotary table 2 is realized.
The base 1 is fixed on the ground, and the rotary table 2 coaxially rotates relative to the base 1.
The utility model discloses a large-scale thrust roller bearing uses with tapered roller bearing's combination, and tapered roller bearing carries out the pre-compaction adjustment through upside clamp plate 7, can guarantee that the revolving platform mesa has the gyration value of beating of ideal, satisfies high-accuracy rotary machining's demand.
The utility model discloses a double gear ring gear drive combines external tight jar of clamp to press from both sides wantonly tightly, guarantees under the high accuracy degree prerequisite of numerical control revolving stage, can the linkage of long-time continuous operation, and the operation precision does not receive mechanical wear to influence, no longer needs regular pretension to disappear the clearance, and the processing property is more stable.
The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.
Claims (4)
1. A high-precision numerical control rotary table is characterized in that: the device comprises a base (1) and a rotary table (2), wherein two sets of servo motors (12) and a speed reducer (13) and a gear (14) are arranged on the base (1); the rotary table (2) is provided with a gear ring (4), and the rotary table (2) is in meshing transmission with two sets of servo motors (12), speed reducers (13) and gears (14) on the base (1) through the gear ring (4); the four clamping cylinders (3) are externally arranged on the base (1) in the circumferential direction, the clamping cylinders (3) are arranged on the base (1), and gaps are formed between the clamping cylinders (3) and the gear ring (4); when the rotary table (2) rotates to a designated position, the clamping cylinder (3) clamps the gear ring through the action of the hydraulic plunger, so that the rotary table and the workpiece at any position can be reliably clamped.
2. The high precision numerically controlled turntable of claim 1, wherein: the rotary table (2) is supported by a thrust roller bearing (5) and positioned by a tapered roller bearing (6).
3. The high precision numerically controlled turntable of claim 1, wherein: the base (1) is provided with the circular grating (10) which is connected with the base through the connecting disc (11) through a bolt, the center of the rotary table (2) is provided with the connecting plate (9) which is connected with the circular grating (10) through the coupler (8), and the feedback control of the arbitrary graduation of the rotary table (2) is realized.
4. A high precision numerically controlled turntable according to claim 1, 2 or 3, wherein: the base (1) is fixed on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022252053.6U CN213411102U (en) | 2020-10-12 | 2020-10-12 | High-precision numerical control rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022252053.6U CN213411102U (en) | 2020-10-12 | 2020-10-12 | High-precision numerical control rotary table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213411102U true CN213411102U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022252053.6U Active CN213411102U (en) | 2020-10-12 | 2020-10-12 | High-precision numerical control rotary table |
Country Status (1)
| Country | Link |
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| CN (1) | CN213411102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681485A (en) * | 2021-09-17 | 2021-11-23 | 奥瑞视（北京）科技有限公司 | Revolving stage is used in ultrasonic wave water logging detection |
| CN115402658A (en) * | 2022-11-02 | 2022-11-29 | 徐州三原环境工程有限公司 | Disc kickoff for solid waste bin |
-
2020
- 2020-10-12 CN CN202022252053.6U patent/CN213411102U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681485A (en) * | 2021-09-17 | 2021-11-23 | 奥瑞视（北京）科技有限公司 | Revolving stage is used in ultrasonic wave water logging detection |
| CN113681485B (en) * | 2021-09-17 | 2023-02-10 | 奥瑞视（北京）科技有限公司 | Revolving stage is used in ultrasonic wave water logging detection |
| CN115402658A (en) * | 2022-11-02 | 2022-11-29 | 徐州三原环境工程有限公司 | Disc kickoff for solid waste bin |
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