CN216028109U - Air-cooled air floatation motorized spindle - Google Patents
Air-cooled air floatation motorized spindle Download PDFInfo
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- CN216028109U CN216028109U CN202122308961.7U CN202122308961U CN216028109U CN 216028109 U CN216028109 U CN 216028109U CN 202122308961 U CN202122308961 U CN 202122308961U CN 216028109 U CN216028109 U CN 216028109U
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Abstract
The utility model particularly relates to an air-cooled air-floatation electric spindle, which comprises an electric spindle shell, a cylinder assembly and a spindle bearing seat, wherein the electric spindle shell is internally and horizontally provided with an electric spindle body, the outer surface of the rotor body is provided with a stator body, the inner wall of the electric spindle shell is provided with a stator cooling jacket, a second bearing is arranged inside the spindle bearing seat, the surface of the second bearing is provided with a bearing cooling jacket, and the right end of the spindle bearing seat is fixedly connected with the cylinder assembly. Meanwhile, the long-term usability of the electric spindle is improved.
Description
Technical Field
The utility model belongs to the technical field of electric spindles, and particularly relates to an air-cooled air floatation electric spindle.
Background
The electric spindle is a new technology which integrates a machine tool spindle and a spindle motor into a whole and appears in the field of numerical control machines in recent years. With the demands of economic development and technology soaring, more and more new technologies are continuously emerging, the machining industry is also in the war, and the technical innovation of the electric spindle industry which occupies the leading position is very obvious. As the precision of oil pumps and oil nozzles is higher and higher, the precision of non-ferrous metal forming and processing and highlight industries is higher and higher, and the electric spindle is forced to develop towards high rotating speed and high power. The conventional ball bearing motorized spindle is limited by the bearing, and the rotation speed thereof is difficult to further increase. Therefore, the high rotating speed of the electric spindle industry must be researched and developed on the air-floatation spindle, and in the prior art, the spindle assembly for the air-floatation electric spindle adopts an aluminum water jacket, so that the structure is complex, heat dissipation is not facilitated, and the product is easy to deform and the spindle is unstable in use in the use process.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an air-cooled air-floating motorized spindle to solve the above-mentioned problems.
In order to achieve the purpose, the utility model provides the following technical scheme: an air-cooled air floatation electric spindle comprises an electric spindle shell, an air cylinder assembly and a spindle bearing seat, wherein an electric spindle body is horizontally arranged inside the electric spindle shell, a first bearing is arranged inside the left side of the electric spindle shell and is sleeved on the left side of the surface of the electric spindle body, a rotor body is sleeved at one end, located inside the electric spindle shell, of the electric spindle body, a stator body is arranged on the outer surface of the rotor body, a stator cooling sleeve is arranged on the inner wall of the electric spindle shell, first spiral channel pipes are uniformly arranged inside the stator cooling sleeve, the output end of each first spiral channel pipe is connected with an output channel, a communicating pipeline is arranged at the input end of each first spiral channel pipe, the spindle bearing seat is arranged on the right side of the electric spindle shell, a second bearing is arranged inside the spindle bearing seat, and is sleeved on the right end of the surface of the electric spindle body, the surface of the second bearing is provided with a bearing cooling jacket, a second spiral channel pipe is arranged inside the bearing cooling jacket, and the right end of the main shaft bearing seat is fixedly connected with the air cylinder assembly.
As a further optimization of the technical scheme, the cylinder assembly comprises a cylinder cover, a first cylinder spacer, a second cylinder spacer and a screw, the cylinder head and the first cylinder diaphragm form a first chamber, the first cylinder diaphragm and the second cylinder diaphragm form a second chamber, the first chamber and the second chamber are respectively provided with a first piston and a second piston, the first cylinder spacer, the second piston and the second cylinder spacer are respectively provided with a sealing ring, so that the sealing effect between the first piston, the first cylinder spacer, the second piston and the second cylinder spacer can be ensured, a sealing rubber ring is arranged between the cylinder cover and the first piston to strengthen the sealing property in the cylinder component, a push rod is arranged at the lower end of the center of the second piston, a round hole is arranged on the first piston, the screw rod penetrates through the round hole to be connected with the push rod, and one end of the push rod penetrates through the end extending to the electric spindle body and is movably arranged inside the electric spindle body.
As a further optimization of the technical scheme, one end of the output channel arranged on the first spiral channel pipe penetrates and extends to the outside of the end face of the electric spindle shell, so that the effect of cooling liquid on circulating cooling in the electric spindle shell is achieved.
As a further optimization of the technical scheme, a branch pipe is arranged at the output end of the second spiral channel pipe, one end of the branch pipe is communicated with one end of the communicating pipeline in a penetrating manner, the input end of the second spiral channel pipe is connected with a channel inlet pipe, and one end of the channel inlet pipe penetrates and extends to the outside of the main shaft bearing seat, so that the cooling effect on the bearing is realized.
As a further optimization of the technical scheme, a protection shaft sleeve is sleeved at one end of the electric spindle body, which is located outside the left side of the electric spindle shell, and a dustproof rubber ring is connected to one end of the protection shaft sleeve and the left side of the electric spindle shell, so that the sealing property between the electric spindle body and the electric spindle shell can be improved.
The utility model has the technical effects and advantages that: the air-cooled air-floatation electric spindle comprises a first spiral channel pipe, a second spiral channel pipe, a stator body, a rotor body, a first spiral channel pipe, a second spiral channel pipe, a cooling liquid inlet pipe, a cooling liquid outlet pipe, a first spiral channel pipe, a second spiral channel pipe and a second spiral channel pipe, a third spiral channel pipe, a second spiral channel pipe, a third spiral, thereby improving the efficiency of its operation.
Through the arrangement that the branch pipe arranged on the second spiral channel pipe is communicated with one end of the communicating pipeline in a penetrating way, the cooling liquid can be conveyed into the communicating pipeline through the branch pipe, and the cooling liquid is conveyed into the first spiral channel pipe through the communicating pipeline for circulating reflux, thereby reducing the influence of the rotor body and the stator body on the precision of the stator cooling jacket under high-speed rotation, thereby directly cooling the rotor body and the stator body, improving the long-term usability of the electric main shaft, the arrangement of the cylinder assembly formed by combining the cylinder cover, the first cylinder spacer, the second cylinder spacer and the screw can reduce the weight bias of the electric spindle body during rotation, thereby can ensure the life-span of electric main shaft body, the one end through the protection axle sleeve is connected with dustproof rubber ring with the left surface of electric main shaft shell, can prevent the entering of dust, avoids producing the problem appearance that friction caused its wearing and tearing itself between electric main shaft body and the dust.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front internal view of the cylinder assembly of the present invention;
FIG. 3 is an enlarged view of the utility model at A in FIG. 1.
In the figure: 1. an electric spindle housing; 2. a cylinder assembly; 3. a main shaft bearing seat; 4. an electric spindle body; 5. a stator body; 6. a rotor body; 7. a stator cooling jacket; 8. a first spiral channel tube; 9. an output channel; 10. a communicating pipe; 11. a first bearing; 12. a channel inlet pipe; 13. a bearing cooling jacket; 14. a second bearing; 15. a second spiral channel tube; 16. a branch pipe; 17. a cylinder head; 18. a first cylinder diaphragm; 19. a second cylinder spacer; 20. a push rod; 21. a screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an air-cooled air floatation electric spindle comprises an electric spindle shell 1, an air cylinder assembly 2 and a spindle bearing seat 3, wherein an electric spindle body 4 is horizontally arranged in the electric spindle shell 1, the stability of output driving force can be ensured through the arrangement of the electric spindle body 4, a first bearing 11 is arranged in the left side of the electric spindle shell 1, the stability of the electric spindle body 4 in the rotating process can be improved through the arrangement of the first bearing 11, the first bearing 11 is sleeved on the left side of the surface of the electric spindle body 4 and can play a role in supporting and fixing the electric spindle body 4, a protective shaft sleeve is sleeved at one end, located outside the left side of the electric spindle shell 1, of the electric spindle body 4, a dustproof rubber ring is connected with one end of the protective shaft sleeve and the left side of the electric spindle shell 1, the dustproof sealing performance of the air floatation electric spindle is enhanced, a rotor body 6 is sleeved at one end, located inside the electric spindle shell 1, of the electric spindle body 4, the rotor body 6 is provided to improve the power for rotating the stator body 5.
The outer surface of the rotor body 6 is provided with a stator body 5, the efficiency of the output shaft kinetic energy of the electric main shaft body 4 can be improved through the arrangement of the stator body 5, the inner wall of the electric main shaft shell 1 is provided with a stator cooling jacket 7, the effect of cooling the stator body 5 is realized, the inner part of the stator cooling jacket 7 is uniformly provided with a first spiral channel pipe 8, the first spiral channel pipe 8 is arranged to realize the cooling effect on the interior of the electric main shaft shell 1, the output end of the first spiral channel pipe 8 is connected with the output channel 9, the recycling of the cooling liquid can be realized, one end of an output channel 9 arranged on the first spiral channel pipe 8 penetrates and extends to the outside of the end surface of the electric spindle shell 1, so that the cooling liquid can be conveniently circulated and cooled, and the input end of the first spiral channel pipe 8 is provided with a communicating pipeline 10, and the communicating pipeline 10 is arranged to facilitate the communication with the branch pipe 16.
The main shaft bearing seat 3 is arranged at the right side of the electric main shaft shell 1, a second bearing 14 is arranged inside the main shaft bearing seat 3, the second bearing 14 is arranged to facilitate the rotation and fixation of one end of the electric main shaft body 4, the second bearing 14 is sleeved at the right end of the surface of the electric main shaft body 4, the surface of the second bearing 14 is provided with a bearing cooling sleeve 13, a second spiral channel pipe 15 is arranged in the bearing cooling jacket 13, and a branch pipe 16 is arranged at the output end of the second spiral channel pipe 15, so that the communication with the communication pipeline 10 is facilitated, one end of the branch pipe 16 and one end of the communicating pipeline 10 are communicated, the input end of the second spiral channel pipe 15 is connected with the channel inlet pipe 12, circulation input of cooling liquid is facilitated, one end of the channel inlet pipe 12 penetrates through the outer portion of the spindle bearing seat 3, the right end of the spindle bearing seat 3 is fixedly connected with the air cylinder assembly 2, and stability of the air cylinder assembly 2 in the working process can be improved.
The cylinder assembly 2 comprises a cylinder cover 17, a first cylinder spacer 18, a second cylinder spacer 19 and a screw 21, wherein the cylinder cover 17 and the first cylinder spacer 18 form a first chamber, the first cylinder spacer 18 and the second cylinder spacer 19 form a second chamber, a first piston is respectively arranged in the first chamber and the second chamber, the second piston, first piston, all be equipped with the sealing washer on first cylinder spacer 18 and the second piston, the second cylinder spacer 19, can guarantee its leakproofness effect, be equipped with the sealing rubber ring between cylinder head 17 and the first piston, strengthen the inside leakproofness of cylinder subassembly, push rod 20 has been installed to the center department lower extreme of second piston, be provided with the round hole on the first piston, screw rod 21 passes the round hole of establishing and is connected with push rod 20, the inside activity setting of one end that extends to electricity main shaft body 4 is run through to the one end of push rod 20, stability when can guaranteeing electricity main shaft body 4 high-speed rotation.
Specifically, when in use, the channel inlet pipe 12 arranged on the second spiral channel pipe 15 is firstly communicated with the cooling liquid, so that the cooling liquid is input into the second spiral channel pipe 15 through the channel inlet pipe 12, can forcibly remove the heat generated by the rotating electric spindle body 4, and simultaneously can remove the heat generated by the friction between the second bearing 14 and the air, thereby reducing the overall heat generation of the electric main shaft body 4 in the using process, ensuring the stability of the electric main shaft body 4 in the using process, through the arrangement that the branch pipe 16 arranged on the second spiral channel pipe 15 is communicated with one end of the communication pipeline 10 in a penetrating way, the cooling liquid can be conveyed into the communication pipeline 10 through the branch pipe 16, and the cooling liquid is conveyed into the first spiral channel pipe 8 through the communication pipeline 10 for circulation and backflow, thereby reducing the influence of the accuracy of the rotor body 6 and the stator body 5 and the stator cooling jacket 7 under high-speed rotation.
Through stator body 5, rotor body 6 directly adorns the setting on electric main shaft body 4, in this electric main shaft working process, can make electric main shaft body 4 through accurate dynamic balance correction, have good gyration precision and stability, can form a perfect air supporting electric main shaft unit simultaneously, and cut the device circular telegram back rotor body 6 and directly drive electric main shaft body 4 operation work, thereby can improve the efficiency of its work, through cylinder head 17, first cylinder spacer 18, second cylinder spacer 19, the setting of the cylinder subassembly 2 that screw rod 21 combination constitutes, the unbalance in the time of can reducing the rotation of electric main shaft body 4, thereby can guarantee the life-span of electric main shaft body.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides an air-cooled air supporting electricity main shaft, includes electricity main shaft shell (1), cylinder assembly (2), main shaft bearing frame (3), its characterized in that: the electric spindle is characterized in that an electric spindle body (4) is horizontally arranged in the electric spindle shell (1), a first bearing (11) is arranged inside the left side of the electric spindle shell (1), the first bearing (11) is sleeved on the left side of the surface of the electric spindle body (4), a rotor body (6) is sleeved at one end, located inside the electric spindle shell (1), of the electric spindle body (4), a stator body (5) is arranged on the outer surface of the rotor body (6), a stator cooling jacket (7) is arranged on the inner wall of the electric spindle shell (1), first spiral channel pipes (8) are uniformly arranged inside the stator cooling jacket (7), the output end of each first spiral channel pipe (8) is connected with an output channel (9), the input end of each first spiral channel pipe (8) is provided with a communicating pipeline (10), and the spindle bearing seat (3) is arranged on the right side of the electric spindle shell (1), the spindle bearing seat is characterized in that a second bearing (14) is arranged inside the spindle bearing seat (3), the second bearing (14) is sleeved at the right end of the surface of the electric spindle body (4), a bearing cooling sleeve (13) is arranged on the surface of the second bearing (14), a second spiral channel pipe (15) is arranged inside the bearing cooling sleeve (13), and the right end of the spindle bearing seat (3) is fixedly connected with the air cylinder assembly (2).
2. The air-cooled air-bearing motorized spindle of claim 1, wherein: the cylinder assembly (2) comprises a cylinder cover (17), a first cylinder spacer (18), a second cylinder spacer (19) and a screw (21), the cylinder head (17) and the first cylinder diaphragm (18) form a first chamber, the first cylinder diaphragm (18) and the second cylinder diaphragm (19) form a second chamber, a first piston and a second piston are respectively arranged in the first cavity and the second cavity, sealing rings are respectively arranged on the first piston, a first cylinder spacer (18), the second piston and a second cylinder spacer (19), a sealing rubber ring is arranged between the cylinder cover (17) and the first piston, a push rod (20) is arranged at the lower end of the center of the second piston, the first piston is provided with a round hole, the screw rod (21) passes through the round hole and is connected with the push rod (20), one end of the push rod (20) penetrates through the end extending to the electric spindle body (4) and is movably arranged inside.
3. The air-cooled air-bearing motorized spindle of claim 1, wherein: one end of an output channel (9) arranged on the first spiral channel pipe (8) penetrates and extends to the outside of the end face of the electric spindle shell (1).
4. The air-cooled air-bearing motorized spindle of claim 1, wherein: the output end of the second spiral channel pipe (15) is provided with a branch pipe (16), one end of the branch pipe (16) is communicated with one end of the communicating pipeline (10) in a penetrating mode, the input end of the second spiral channel pipe (15) is connected with a channel inlet pipe (12), and one end of the channel inlet pipe (12) extends to the outside of the spindle bearing seat (3) in a penetrating mode.
5. The air-cooled air-bearing motorized spindle of claim 1, wherein: the electric spindle is characterized in that a protective shaft sleeve is sleeved at one end, located outside the left side of the electric spindle shell (1), of the electric spindle body (4), and a dustproof rubber ring is connected to one end of the protective shaft sleeve and the left side of the electric spindle shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308961.7U CN216028109U (en) | 2021-09-23 | 2021-09-23 | Air-cooled air floatation motorized spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308961.7U CN216028109U (en) | 2021-09-23 | 2021-09-23 | Air-cooled air floatation motorized spindle |
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| Publication Number | Publication Date |
|---|---|
| CN216028109U true CN216028109U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122308961.7U Active CN216028109U (en) | 2021-09-23 | 2021-09-23 | Air-cooled air floatation motorized spindle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555874A (en) * | 2022-11-21 | 2023-01-03 | 海阳市长川电机有限公司 | Electric spindle with cooling protection function |
| CN115781522A (en) * | 2022-12-28 | 2023-03-14 | 哈尔滨工业大学 | Grinding electric spindle with internal spiral grinding fluid supply channel |
-
2021
- 2021-09-23 CN CN202122308961.7U patent/CN216028109U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555874A (en) * | 2022-11-21 | 2023-01-03 | 海阳市长川电机有限公司 | Electric spindle with cooling protection function |
| CN115781522A (en) * | 2022-12-28 | 2023-03-14 | 哈尔滨工业大学 | Grinding electric spindle with internal spiral grinding fluid supply channel |
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