CN213858381U - Hollow rotary table - Google Patents
Hollow rotary table Download PDFInfo
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- CN213858381U CN213858381U CN202022419469.2U CN202022419469U CN213858381U CN 213858381 U CN213858381 U CN 213858381U CN 202022419469 U CN202022419469 U CN 202022419469U CN 213858381 U CN213858381 U CN 213858381U
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- turntable
- rotary table
- hollow
- base
- servo motor
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Abstract
The utility model belongs to the technical field of the digit control machine tool, concretely relates to cavity revolving stage. The hollow rotary table comprises a rotary table base, a hollow rotary table and a servo motor; the turntable is characterized in that a hollow turntable is arranged on the turntable base, the hollow turntable is arranged on the turntable base through a turntable spindle, a servo motor is arranged on one side of the turntable base, the servo motor is connected with the turntable spindle through a connecting sleeve for transmission, and an encircling type brake mechanism is arranged between the turntable base and the hollow turntable. The beneficial effects are as follows: the five-axis cradle rotary table has the advantages of simple structure, compact design, strong universality and applicability, high modularization degree and capability of ensuring the compactness of the integral structure of the five-axis cradle rotary table, and is beneficial to reducing the manufacturing cost of the five-axis cradle rotary table.
Description
Technical Field
The utility model belongs to the technical field of the digit control machine tool, concretely relates to cavity revolving stage.
Background
The inner parts of the existing numerical control indexing disc and the existing five-axis rotary table are basically in a worm gear transmission type structure, the joint points of an input part and an output part of the worm gear transmission type are installed in a meshing state, but certain gaps are required to be left between the joint points, if no gap exists, hard friction is generated between the joint points, so that self loss is caused, the sliding friction transmission is longer along with the use time, the friction gaps are increased, the gaps have great influence on the precision of a workpiece and the stability in machining, and the fact that the rotary indexing rotary table of the workpiece needs frequent reverse movement in machining is particularly obvious; when a workpiece is machined in indexing and positioning mode, the gap of the conventional numerical control indexing turntable increases along with the longer service time, regular maintenance and adjustment are needed, the limit speed borne by the copper worm gear is not high, and high-speed machining is difficult to realize; in the existing numerical control indexing rotary table, a bearing of an output shaft is basically arranged on the circular inner wall of the output shaft, the bearing is small, and the corresponding load capacity is small.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a remedy prior art's defect provides a cavity revolving stage.
The utility model discloses a realize through following technical scheme:
a hollow rotary table comprises a rotary table base, a hollow rotary table and a servo motor; the turntable is characterized in that a hollow turntable is arranged on the turntable base, the hollow turntable is arranged on the turntable base through a turntable spindle, a servo motor is arranged on one side of the turntable base, the servo motor is connected with the turntable spindle through a connecting sleeve for transmission, and an encircling type brake mechanism is arranged between the turntable base and the hollow turntable.
Further, the interior of the rotary table main shaft is of a hollow structure.
Furthermore, a first bearing and a second bearing are arranged between the rotary table main shaft and the rotary table base.
Further, a bottom cover plate is arranged at one end of the rotary table base, a main shaft cover plate is arranged at the other end of the rotary table base, and a first sealing ring, a second sealing ring and a third sealing ring are arranged inside the rotary table base.
Further, the turntable main shaft is located in the turntable base, and a sealing ring is arranged between the turntable main shaft and the turntable base.
Further, the first bearing and the second bearing are both tapered roller bearings.
Furthermore, a turbine is arranged on the rotary table main shaft, and the servo motor is in transmission with the turbine on the rotary table main shaft through a connecting sleeve.
The utility model has the advantages that: the five-axis cradle rotary table has the advantages of simple structure, compact design, strong universality and applicability, high modularization degree and capability of ensuring the compactness of the integral structure of the five-axis cradle rotary table, and is beneficial to reducing the manufacturing cost of the five-axis cradle rotary table.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view a-a of fig. 1.
In the figure, 1 a turntable base, 2 a first bearing, 3 a second bearing, 4 a turntable spindle, 5 a turbine, 6 a sealing ring, 7 a bottom cover plate, 8 a spindle cover plate, 9 a servo motor, 10 an encircling brake mechanism, 11 a hollow turntable, 12 a first sealing ring, 13 a second sealing ring, 14 a third sealing ring and 15 a connecting sleeve.
Detailed Description
The present invention will be further described with reference to the following examples.
Fig. 1 and 2 show an embodiment of the present invention. The utility model relates to a hollow turntable, which comprises a turntable base 1, a hollow turntable 11 and a servo motor 9; the turntable base is characterized in that a hollow turntable 11 is arranged on the turntable base 1, the hollow turntable 11 is arranged on the turntable base 1 through a turntable spindle 4, a servo motor 9 is arranged on one side of the turntable base 1, the servo motor 9 is connected with the turntable spindle 4 through a connecting sleeve 15 for transmission, and an encircling type brake mechanism 10 is arranged between the turntable base 1 and the hollow turntable 11.
Further, the inside of the turntable spindle 4 is of a hollow structure.
Further, a first bearing 2 and a second bearing 3 are arranged between the turntable main shaft 4 and the turntable base 1.
Further, a bottom cover plate 7 is arranged at one end of the turntable base 1, a main shaft cover plate 8 is arranged at the other end of the turntable base 1, and a first sealing ring 12, a second sealing ring 13 and a third sealing ring 14 are arranged inside the turntable base 1.
Further, the turntable main shaft 4 is located in the turntable base 1, and a sealing ring 6 is arranged between the turntable main shaft 4 and the turntable base 1.
Further, the first bearing 2 and the second bearing 3 are both tapered roller bearings.
Further, a turbine 5 is arranged on the turntable spindle 4, and the servo motor 9 is in transmission with the turbine 5 on the turntable spindle 4 through a connecting sleeve 15.
The utility model discloses a hollow turntable, which has simple structure, is driven by a servo motor 9, adopts a hollow structure inside a turntable spindle 4, and is connected and driven by a turbine 5 and a connecting sleeve 15, so that the rotation is more stable and the precision is higher; the compactness of the integral structure of the five-axis cradle rotary table is ensured, the universality and the applicability are strong, the modularization degree is high, and the manufacturing cost of the five-axis cradle rotary table is favorably reduced.
The present invention is not limited to the above embodiments, and any person should learn to make under the teaching of the present invention and the present invention has the same or similar technical solution, and all fall into the protection scope of the present invention.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (7)
1. A hollow rotary table comprises a rotary table base, a hollow rotary table and a servo motor; the turntable is characterized in that a hollow turntable is arranged on the turntable base, the hollow turntable is arranged on the turntable base through a turntable spindle, a servo motor is arranged on one side of the turntable base, the servo motor is connected with the turntable spindle through a connecting sleeve for transmission, and an encircling type brake mechanism is arranged between the turntable base and the hollow turntable.
2. A hollow turret according to claim 1, wherein: the interior of the rotary table main shaft is of a hollow structure.
3. A hollow turret according to claim 1, wherein: and a first bearing and a second bearing are arranged between the turntable main shaft and the turntable base.
4. A hollow turret according to claim 1, wherein: the rotary table is characterized in that a bottom cover plate is arranged at one end of the rotary table base, a main shaft cover plate is arranged at the other end of the rotary table base, and a first sealing ring, a second sealing ring and a third sealing ring are arranged in the rotary table base.
5. A hollow turret according to claim 1, wherein: the rotary table main shaft is positioned in the rotary table base, and a sealing ring is arranged between the rotary table main shaft and the rotary table base.
6. A hollow turret according to claim 3, wherein: the first bearing and the second bearing are both tapered roller bearings.
7. A hollow turret according to claim 1, wherein: the turntable main shaft is provided with a turbine, and the servo motor is in transmission with the turbine on the turntable main shaft through a connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022419469.2U CN213858381U (en) | 2020-10-27 | 2020-10-27 | Hollow rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022419469.2U CN213858381U (en) | 2020-10-27 | 2020-10-27 | Hollow rotary table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213858381U true CN213858381U (en) | 2021-08-03 |
Family
ID=77074922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022419469.2U Active CN213858381U (en) | 2020-10-27 | 2020-10-27 | Hollow rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213858381U (en) |
-
2020
- 2020-10-27 CN CN202022419469.2U patent/CN213858381U/en active Active
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