CN212420707U - Single-motor air bag polishing precession mechanism - Google Patents
Single-motor air bag polishing precession mechanism Download PDFInfo
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- CN212420707U CN212420707U CN202020801066.1U CN202020801066U CN212420707U CN 212420707 U CN212420707 U CN 212420707U CN 202020801066 U CN202020801066 U CN 202020801066U CN 212420707 U CN212420707 U CN 212420707U
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Abstract
The utility model provides a single motor gasbag polishing precession mechanism. The utility model discloses a bevel gear that drive arrangement and driven revolution axis, with revolution axis fixed connection's gimbal table, pass through the bearing with the revolution axis and be connected, install autorotation axle on the gimbal table, install in the autorotation axle with bevel gear meshing's bevel gear, the gasbag head is installed to the free end of autorotation axle, the overhead gasbag head handle of a knife that is provided with of gasbag, gasbag head connected system's air feed passageway. The utility model discloses simple structure, reduction lathe load and overall dimension improve the machining precision.
Description
The technical field is as follows:
the utility model relates to a single motor gasbag polishing precession mechanism belongs to optical equipment technical field.
Background art:
with the rapid development of modern space optics technology, ultra-precise, ultra-smooth and complex-surface optical elements are widely applied to optical systems. The traditional processing technology can not meet the requirements of high precision and high surface quality. Precession airbag polishing is a novel optical processing technology appearing in the last 90 th century. The technology takes the air bag as a base body, the fitting degree of the polishing head and the aspheric surface is ensured, the air bag head adopts precession, namely the polishing head rotates around the axis of the polishing head, simultaneously rotates around the normal direction of the central point of the contact area of the air bag and the workpiece, and is matched with the self-feeding motion of a machine tool, the polishing head forms disordered surface textures on the surface of the workpiece, and further the surface quality of an element is improved.
In order to realize precession movement and avoid the problem of cable winding, the precession air bag polishing head used in the existing processing mostly adopts a three-motor control structure in a triangular form. The structure has large volume, complex control and high cost.
The utility model has the following contents:
the utility model aims at the problem that above-mentioned exists provides a single motor gasbag polishing precession mechanism, simple structure, reduction lathe load and overall dimension improve the machining precision.
The above purpose is realized by the following technical scheme:
the utility model provides a single motor gasbag polishing precession mechanism, includes drive arrangement and driven revolution axis, with revolution axis fixed connection's gimbal, pass through the bevel gear that the bearing is connected with the revolution axis, install the axis of rotation on the gimbal, install in the axis of rotation with bevel gear meshing's bevel gear, the gasbag head is installed to the free end of axis of rotation, be provided with gasbag head handle of a knife on the gasbag head, gasbag head connected system's air feed channel.
The single-motor air bag polishing precession mechanism comprises a motor, wherein a motor belt pulley is installed on a motor shaft, and the motor belt pulley is installed on a revolution shaft on the revolution shaft through belt connection.
The single-motor air bag polishing precession mechanism is characterized in that the motor is vertically arranged on the upper end face of the bevel gear through a motor support, and the bevel gear is fixedly arranged.
The single-motor air bag polishing precession mechanism comprises an air supply channel, wherein the air supply channel is arranged on a revolution shaft air guide sliding ring on the top end of a revolution shaft, a revolution shaft air guide sliding ring air inlet is formed in the revolution shaft air guide sliding ring air inlet and is arranged through a revolution shaft air guide hole in the revolution shaft to be communicated with a revolution shaft air guide outlet, the revolution shaft air guide outlet is connected with a revolution shaft air guide sliding ring arranged at the tail end of the revolution shaft through a hose, a revolution shaft air guide sliding ring air inlet is formed in the revolution shaft air guide sliding ring, and the revolution shaft air guide sliding ring air inlet is communicated with an revolution shaft air guide hole in the revolution shaft through a setting.
In the single-motor air bag polishing precession mechanism, a 30-degree precession angle exists between the revolution axis and the rotation axis, and the extension lines of the revolution axis and the rotation axis intersect at the spherical center of the air bag head.
Has the advantages that:
1. the utility model discloses a relative motion between angle bevel gear and the bevel gear is taken, precession motion is realized. The precession type air bag polishing is realized through an extremely simple structure and a single motor, the precession motion control does not exist, and the precision is improved.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
In the figure: 1, a motor; 2 a revolution axis air guide slip ring; 3 a revolution axis; 4 a bevel gear; 5, a balancing stand; 6, an air bag head; 7, a rotation shaft; 8, a bevel gear; 9, a self-rotating shaft air guide slip ring; 10, a motor bracket; 11 air inlet of air guide slip ring of revolution axis; 12 revolution axis pulley; 13 revolution axis air guide holes; 14 revolution axis air outlet; 15 air bag head and handle; 16 air guide holes of the rotation shaft; 17 air inlet of air-guiding slip ring of self-rotating shaft; 18 motor pulley; 19 belts.
The specific implementation mode is as follows:
as shown in fig. 1 to 2, the single-motor airbag polishing precession mechanism of this embodiment includes a driving device and a driving revolution shaft 3, a balance frame 5 fixedly connected with the revolution shaft 3, a bevel gear 4 connected with the revolution shaft 3 through a bearing, and an autorotation shaft 7 on the balance frame 5, the autorotation shaft 7 is provided with a bevel gear 8 engaged with the bevel gear 4, an airbag head 6 is installed at a free end of the autorotation shaft, an airbag head handle 15 is arranged on the airbag head 6, and the airbag head 6 is connected with an air supply passage of a system. The transmission of motion between the spinning shaft 7 and the revolution shaft 3 is performed by the relative motion of the bevel gear 4 and the bevel gear 8. The rotation shaft 7 does circular motion around the axis of the rotation shaft along with the rotation shaft 3, so that the bevel gear 8 performs circular motion on the bevel gear 4 to drive the rotation shaft 7 to rotate, and single-drive precession motion is realized.
The single-motor air bag polishing precession mechanism comprises a motor 1, wherein a motor belt pulley 18 is installed on a motor shaft, and the motor belt pulley 18 is connected and installed on a revolution shaft belt pulley 12 on the revolution shaft through a belt 19.
In the single-motor air bag polishing precession mechanism, the motor 1 is vertically arranged on the upper end face of the bevel gear 4 through a motor bracket 10, and the bevel gear is fixedly arranged.
The single-motor air bag polishing precession mechanism comprises an air supply channel, wherein the air supply channel comprises a revolution shaft air guide sliding ring 2 arranged at the top end of a revolution shaft 3, a revolution shaft air guide sliding ring air inlet 11 is formed in the revolution shaft air guide sliding ring, the revolution shaft air guide sliding ring air inlet 11 is formed in the revolution shaft through a setting, a revolution shaft air guide outlet 14 is communicated with a revolution shaft air guide hole 13 in the revolution shaft, the revolution shaft air guide outlet 14 is connected with a revolution shaft air guide sliding ring 9 arranged at the tail end of the revolution shaft through a hose, a revolution shaft air guide sliding ring air inlet 17 is formed in the revolution shaft air guide sliding ring 9, and the revolution shaft air guide sliding ring air inlet 17 is communicated with an air bag head 6 through a revolution shaft air guide hole 16 in. The air pressure in the air bag is provided by the outside, the air enters the air bag polishing head through the revolution air guide sliding ring, the revolution shaft axis center hole, the rotation shaft air guide sliding ring and the rotation shaft axis center hole, and the rotation shaft air outlet hole is connected with the rotation shaft air guide sliding ring air inlet through a hose.
In the single-motor air bag polishing precession mechanism, a 30-degree precession angle exists between the revolution axis and the rotation axis, and the extension lines of the revolution axis and the rotation axis intersect at the spherical center of the air bag head.
The working process is as follows:
firstly, an air bag head is arranged on a rotating shaft, the external feeding air pressure is adjusted, air enters an air bag polishing head through a revolution air guide sliding ring, a revolution shaft axis center hole, a hose between a rotation shaft air outlet hole and the rotation shaft air guide sliding ring, the rotation shaft air guide sliding ring and the rotation shaft axis center hole, and the air bag head is inflated or deflated to reach a balanced state. The rotation speed of a motor is selected according to machining process parameters, tool setting of a machine tool is carried out, machining codes are generated according to an algorithm, a main shaft and a machining program are started, the main shaft motor drives a revolution shaft to rotate through a belt pulley and a belt, an air inlet of the revolution shaft is kept still due to the existence of an air guide sliding ring, the revolution shaft drives a balance frame to rotate parallel to a bevel gear, the revolution shaft bevel gear does circular motion along with the balance frame on the bevel gear, the revolution shaft bevel gear is driven to rotate, an air bag polishing head generates precession motion, and a workpiece is machined.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention falls within the protection scope of the present invention. The technology not related to the invention can be realized by the prior art.
Claims (5)
1. A single motor air bag polishing precession mechanism is characterized in that: including drive arrangement and driven revolution axis, with revolution axis fixed connection's gimbal, pass through the bevel gear that the bearing is connected with the revolution axis, install rotation axis on the gimbal, the last installation of rotation axis with the bevel gear of bevel gear meshing, the gasbag head is installed to the free end of rotation axis, the overhead gasbag head handle of a knife that is provided with of gasbag, gasbag head connected system's air feed passageway.
2. The single motor bladder polishing precession mechanism of claim 1, wherein: the driving device comprises a motor, a motor belt pulley is installed on a motor shaft, and the motor belt pulley is installed on the revolution shaft through belt connection.
3. The single motor bladder polishing precession mechanism of claim 1, wherein: the motor is vertically installed on the upper end face of the bevel gear through a motor support, and the bevel gear is fixedly arranged.
4. The single motor bladder polishing precession mechanism of claim 1, wherein: air feed channel is including setting up the revolution axis air guide sliding ring on the top of revolution axis, revolution axis air guide sliding ring air inlet has on the revolution axis air guide sliding ring, revolution axis air guide sliding ring air inlet is through setting up revolution axis air guide hole intercommunication revolution axis air guide export in the revolution axis, revolution axis air guide export sets up the revolution axis air guide sliding ring at the rotation axis tail end through the hose connection, have the rotation axis air guide sliding ring air inlet on the rotation axis air guide sliding ring, rotation axis air guide sliding ring air inlet is through setting up rotation axis air guide hole intercommunication in the rotation axis the gasbag head.
5. The single motor bladder polishing precession mechanism of claim 1, wherein: the revolution axis and the rotation axis have a precession angle of 30 degrees, and the extension lines of the revolution axis and the rotation axis are intersected at the spherical center of the air bag head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020801066.1U CN212420707U (en) | 2020-05-14 | 2020-05-14 | Single-motor air bag polishing precession mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020801066.1U CN212420707U (en) | 2020-05-14 | 2020-05-14 | Single-motor air bag polishing precession mechanism |
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| Publication Number | Publication Date |
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| CN212420707U true CN212420707U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020801066.1U Active CN212420707U (en) | 2020-05-14 | 2020-05-14 | Single-motor air bag polishing precession mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500495A (en) * | 2021-07-05 | 2021-10-15 | 燕山大学 | Air bag polishing device with online detection function based on industrial robot |
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2020
- 2020-05-14 CN CN202020801066.1U patent/CN212420707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500495A (en) * | 2021-07-05 | 2021-10-15 | 燕山大学 | Air bag polishing device with online detection function based on industrial robot |
| CN113500495B (en) * | 2021-07-05 | 2022-08-23 | 燕山大学 | Air bag polishing device with online detection function based on industrial robot |
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