CN213671837U - Lathe spindle braking structure - Google Patents
Lathe spindle braking structure Download PDFInfo
- Publication number
- CN213671837U CN213671837U CN202022539113.2U CN202022539113U CN213671837U CN 213671837 U CN213671837 U CN 213671837U CN 202022539113 U CN202022539113 U CN 202022539113U CN 213671837 U CN213671837 U CN 213671837U
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- China
- Prior art keywords
- ring
- main shaft
- braking structure
- control arm
- brake
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Abstract
The utility model provides a lathe main shaft braking structure belongs to machining equipment technical field. The synchronous ring is connected in the mounting sleeve in a sliding mode, an inner gear ring is arranged in the mounting sleeve, a sector meshed with the inner gear ring is arranged on the brake block, the brake block is connected to the mounting ring in a rotating mode, a brake surface capable of being in contact with a main shaft is arranged on the brake block, and a control arm is arranged on the synchronous ring. The utility model has the advantages of braking efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of machining equipment, a lathe main shaft braking structure is related to.
Background
The main shaft of the lathe is a driving shaft for driving a workpiece to rotate, one end of the main shaft is connected with the driving unit, the other end of the main shaft is connected with the workpiece fixture, the main shaft needs to be braked after the workpiece is machined, so that the main shaft is stopped quickly, the main shaft is braked efficiently, the workpiece assembling and disassembling time can be shortened, and the machining efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lathe main shaft braking structure to the above-mentioned problem that prior art exists, the utility model aims to solve the technical problem that how improve the braking efficiency of main shaft.
The purpose of the utility model can be realized by the following technical proposal: the lathe spindle braking structure is characterized by comprising an installation sleeve, a synchronizing ring and a plurality of brake blocks which are circumferentially and uniformly distributed on the synchronizing ring, wherein the synchronizing ring is connected in the installation sleeve in a sliding mode, an inner gear ring is arranged in the installation sleeve, a sector meshed with the inner gear ring is arranged on each brake block, each brake block is rotatably connected on the installation sleeve, a braking surface capable of being in contact with a spindle is arranged on each brake block, and a control arm is arranged on each synchronizing ring.
Furthermore, the mounting sleeve is provided with an avoiding opening of a line, and the control arm is inserted into the avoiding opening.
Furthermore, a plurality of sliding blocks are arranged on the control ring, a sliding groove is formed in the installation sleeve, and each sliding block is connected in the annular groove in a sliding mode.
The control arm is controlled by an external power unit, such as an electromagnetic valve, the distance between the brake block and the spindle can be adjusted by pulling the outer end of the control arm to enable the synchronous ring to rotate for a certain angle relative to the mounting sleeve, and the brake of the spindle can be realized when the brake surface is contacted with the spindle.
Drawings
Fig. 1 is a sectional view of the present brake structure.
In the figure, 1, a sleeve is installed; 2. a synchronizer ring; 3. a brake pad; 4. an inner gear ring; 5. a toothed fan; 6. a braking surface; 7. a control arm; 8. avoiding the mouth; 9. a slide block.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in figure 1, the synchronous brake device comprises a mounting sleeve 1, a synchronous ring 2 and a plurality of brake blocks 3 which are uniformly distributed on the synchronous ring 2 in the circumferential direction, wherein the synchronous ring 2 is connected in the mounting sleeve 1 in a sliding manner, an inner gear ring 4 is arranged in the mounting sleeve 1, a sector 5 meshed with the inner gear ring 4 is arranged on each brake block 3, each brake block 3 is rotatably connected on the mounting ring, a braking surface 6 capable of being in contact with a spindle is arranged on each brake block 3, and a control arm 7 is arranged on the synchronous ring 2.
The installation sleeve 1 is provided with an avoiding opening 8 of a line, the control arm 7 is inserted into the avoiding opening 8, the control ring is provided with a plurality of sliding blocks 9, the installation sleeve 1 is internally provided with a sliding groove, and the sliding blocks 9 are all slidably connected in the annular groove.
The control arm 7 is controlled by an external power unit, such as an electromagnetic valve, and the like, the outer end of the control arm 7 is pulled to enable the synchronous ring 2 to rotate for a certain angle relative to the mounting sleeve 1, so that the distance between the brake block 3 and the spindle can be adjusted, and the brake of the spindle can be realized when the brake surface 6 is contacted with the spindle.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (3)
1. The utility model provides a lathe main shaft braking structure, its characterized in that, including installation cover (1), synchronizer ring (2) and a plurality of circumference evenly distributed brake pads (3) on synchronizer ring (2), synchronizer ring (2) sliding connection is in installation cover (1), have an ring gear (4) in installation cover (1), have on brake pads (3) with ring gear (4) meshing sector (5), brake pads (3) rotate to be connected on synchronizer ring (2), have on brake pads (3) can with main shaft contact's braking face (6), have a control arm (7) on synchronizer ring (2).
2. Lathe spindle braking structure according to claim 1, characterized in that the mounting sleeve (1) has a line of evasion openings (8), the control arm (7) being inserted in the evasion openings (8).
3. A lathe spindle braking structure according to claim 1, characterized in that the synchronizing ring (2) is provided with a plurality of sliding blocks (9), the mounting sleeve (1) is provided with a sliding groove therein, and each sliding block (9) is slidably connected in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022539113.2U CN213671837U (en) | 2020-11-05 | 2020-11-05 | Lathe spindle braking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022539113.2U CN213671837U (en) | 2020-11-05 | 2020-11-05 | Lathe spindle braking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213671837U true CN213671837U (en) | 2021-07-13 |
Family
ID=76728422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022539113.2U Active CN213671837U (en) | 2020-11-05 | 2020-11-05 | Lathe spindle braking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213671837U (en) |
-
2020
- 2020-11-05 CN CN202022539113.2U patent/CN213671837U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |