CN216656359U - Flange type spindle bearing external electric spindle - Google Patents
Flange type spindle bearing external electric spindle Download PDFInfo
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- CN216656359U CN216656359U CN202122915222.4U CN202122915222U CN216656359U CN 216656359 U CN216656359 U CN 216656359U CN 202122915222 U CN202122915222 U CN 202122915222U CN 216656359 U CN216656359 U CN 216656359U
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- main shaft
- bearing
- spindle
- external electric
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- 125000006850 spacer group Chemical group 0.000 claims description 27
- 210000004907 gland Anatomy 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to an external electric spindle of a flange type spindle bearing, and belongs to the technical field of spindles. The rotary oil cylinder is provided with a pull rod, the pull rod is provided with the chuck, the pull rod is sleeved with the main shaft, the main shaft is provided with the main shaft box, the main shaft box is provided with the external electric main shaft in direct connection, the main shaft box is provided with a front boring hole and a rear boring hole, the double-row cylindrical roller bearing and the angular contact ball bearing are arranged in the front boring hole, the double-row cylindrical roller bearing is arranged in the rear boring hole, the rotary oil cylinder is connected with the main shaft through the oil cylinder flange, and the chuck is connected with the main shaft through the flange plate. The utility model solves the problem that the precision and the service life of the spindle of the existing machine tool are influenced because the coaxiality of bearing positions at two ends is difficult to ensure due to the turning and the boring of the spindle box, reduces the requirement of the machine tool spindle on the precision of the boring of the spindle box, and prolongs the service life of the machine tool spindle.
Description
Technical Field
The utility model relates to the technical field of spindles, in particular to an external electric spindle of a flange type spindle bearing.
Background
The machine tool spindle is a shaft which drives a workpiece or a cutter to rotate on a machine tool and generally consists of a spindle, a spindle box, a bearing and a transmission part; the coaxiality of bearing positions at two ends is difficult to ensure due to the turning and boring of a main shaft box of the existing machine tool main shaft, so that the precision and the service life of the machine tool main shaft are influenced; meanwhile, the existing machine tool spindle is generally driven by a belt, so that the torque loss is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides an external electric spindle of a flange type spindle bearing, which aims to solve the problems that the precision and the service life of the spindle are influenced because the coaxiality of bearing positions at two ends is difficult to ensure due to the turning and boring of the spindle box of the existing machine tool spindle, reduce the requirement of the machine tool spindle on the boring precision of the spindle box and prolong the service life of the machine tool spindle.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
an external electric main shaft of a flange type main shaft bearing comprises an electric main shaft main body and a direct-connection external electric main shaft;
the electric main shaft body comprises a rotary oil cylinder, a pull rod, a main shaft box, a chuck, a rear bearing outer spacer, a rear bearing inner spacer, a rear bearing gland, a main shaft rear sleeve, a double-row cylindrical roller bearing, a positioning nut, an angular contact ball bearing, a front bearing rear spacer, a main shaft front sleeve, a front bearing front spacer, a front bearing gland and a flange plate, wherein the pull rod is arranged at a section of the rotary oil cylinder, the chuck is arranged at the right end of the pull rod, the chuck is arranged on the front bearing gland through the flange plate, the pull rod is sleeved with the main shaft, the main shaft is provided with the main shaft box, a boring hole is respectively arranged at the left end and the right end of the main shaft box and is divided into a front boring hole and a rear boring hole, the positioning nut, the front bearing rear spacer, the angular contact ball bearing, the double-row cylindrical roller bearing, the front bearing front spacer and the front bearing gland are sequentially arranged on the main shaft in the rear boring hole from left to right, a main shaft front sleeve is arranged between the angular contact ball bearing and the main shaft box, a rear bearing inner spacer, a double-row cylindrical roller bearing, a rear bearing outer spacer and a positioning screw cap are sequentially arranged on a main shaft in the rear boring hole from right to left, a main shaft rear sleeve is arranged between the main shaft box and the double-row cylindrical roller bearing in the rear boring hole, and a rear bearing gland is also arranged between the main shaft rear sleeve and the rear bearing outer spacer;
the left end of the spindle box is provided with a direct-connection external electric spindle which is sleeved on the spindle.
Furthermore, the main shaft box is provided with a brake support, the brake support is provided with a brake, the left end of the direct-connection external electric main shaft is provided with a brake disc, and the brake disc is in contact with the brake.
Furthermore, the rotary oil cylinder is connected with the direct-connection external electric spindle through an oil cylinder flange, and the brake disc is arranged on the oil cylinder flange.
Furthermore, a switching disc is arranged between the oil cylinder flange and the rotary oil cylinder.
Furthermore, the direct-connection external electric spindle is installed on the spindle box through a connecting disc.
Furthermore, a detector is arranged on the oil cylinder flange.
The utility model has the following beneficial effects: firstly, the utility model adopts the flange sleeve structure to install the bearing, so that the spindle box does not need to turn around and bore holes, the boring precision is easy to achieve, the front bearing and the rear bearing have good coaxiality, the precision of the machine tool spindle is improved, and the service life of the machine tool spindle is prolonged; secondly, the direct-coupled external electric spindle is arranged on the spindle box, so that the direct-coupled external electric spindle is high in rotating speed, stable in precision and convenient to assemble, the torsion loss of the spindle during power transmission can be reduced, and the torsion of the spindle is increased, so that the spindle obtains larger torsion, and the transmission efficiency of the spindle is improved; thirdly, the axial rigidity and the radial bearing capacity of the main shaft are enhanced by adopting the cylindrical roller bearing, so that the main shaft can bear larger cutting force.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a front view of the present invention.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1-2, an external electric spindle of a flange-type spindle bearing comprises an electric spindle body 1 and a direct-coupled external electric spindle 2; the electric spindle body 1 comprises a rotary oil cylinder 11, a pull rod 12, a spindle 13, a spindle box 14, a chuck 15, a rear bearing outer spacer 16, a rear bearing inner spacer 17, a rear bearing gland 18, a spindle rear sleeve 19, a double-row cylindrical roller bearing 1-1, a positioning nut 1-2, an angular contact ball bearing 1-3, a front bearing rear spacer 1-4, a spindle front sleeve 1-5, a front bearing front spacer 1-6, a front bearing gland 1-7 and a flange 5, wherein the pull rod is arranged at the right end of the rotary oil cylinder 11, the chuck 15 is arranged at the right end of the pull rod 12, the chuck 15 is mounted on the front bearing gland 1-7 through the flange 5, the pull rod 12 is sleeved with the spindle 13, the spindle 13 is provided with the spindle box 14, the left end and the right end of the spindle box 14 are respectively provided with a boring hole 3, the boring holes are divided into a front boring hole 31 and a rear boring hole 32, a positioning nut, a front bearing rear spacer 1-4, an angular contact ball bearing 1-3, a double-row cylindrical roller bearing 1-1, a front bearing front spacer 1-6 and a front bearing gland 1-7 are sequentially arranged on a main shaft 13 in the rear boring hole 32 from left to right, a main shaft front sleeve 1-5 is arranged between the angular contact ball bearing 1-3 and a main shaft box 14, a rear bearing inner spacer 17, a double-row cylindrical roller bearing 1-1, a rear bearing outer spacer 16 and a positioning nut 1-2 are sequentially arranged on the main shaft 13 in the rear boring hole 32 from right to left, a main shaft rear sleeve 19 is arranged between the main shaft box 14 and the double-row cylindrical roller bearing 1-1 in the rear boring hole 32, and a rear bearing gland 18 is also arranged between the main shaft rear sleeve 19 and the rear bearing outer spacer 16; the left end of the spindle box 14 is provided with a direct-coupled external electric spindle 2, and the direct-coupled external electric spindle 2 is sleeved on the spindle 13.
The utility model has the following beneficial effects: firstly, the utility model adopts the flange sleeve structure to install the bearing, so that the spindle box does not need to turn around and bore holes, the boring precision is easy to achieve, the front bearing and the rear bearing have good coaxiality, the precision of the machine tool spindle is improved, and the service life of the machine tool spindle is prolonged; secondly, the direct-coupled external electric spindle is arranged on the spindle box, so that the direct-coupled external electric spindle is high in rotating speed, stable in precision and convenient to assemble, the torsion loss of the spindle during power transmission can be reduced, and the torsion of the spindle is increased, so that the spindle obtains larger torsion, and the transmission efficiency of the spindle is improved; thirdly, the axial rigidity and the radial bearing capacity of the main shaft are enhanced by adopting the cylindrical roller bearing, so that the main shaft can bear larger cutting force.
Preferably, the main spindle box is provided with a brake support 4, the brake support 4 is provided with a brake 41, the left end of the direct-connection external electric spindle 2 is provided with a brake disc 42, and the brake disc 42 is in contact with the brake 41.
Preferably, the rotary oil cylinder 11 is connected with the direct-coupled external electric spindle 2 through an oil cylinder flange 6, and the brake disc 42 is arranged on the oil cylinder flange 6.
Preferably, an adapter 7 is further arranged between the cylinder flange 6 and the rotary cylinder 11.
Preferably, the direct-coupled external electric spindle 2 is mounted on the spindle box 14 through the connecting disc 8.
Preferably, the oil cylinder flange 6 is provided with a detector 9.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only for illustrating the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an external electricity main shaft of flange formula main shaft bearing which characterized in that: comprises an electric main shaft main body and a direct-connection external electric main shaft;
the electric main shaft body comprises a rotary oil cylinder, a pull rod, a main shaft box, a chuck, a rear bearing outer spacer, a rear bearing inner spacer, a rear bearing gland, a main shaft rear sleeve, a double-row cylindrical roller bearing, a positioning nut, an angular contact ball bearing, a front bearing rear spacer, a main shaft front sleeve, a front bearing front spacer, a front bearing gland and a flange plate, wherein the pull rod is arranged at a section of the rotary oil cylinder, the chuck is arranged at the right end of the pull rod, the chuck is arranged on the front bearing gland through the flange plate, the pull rod is sleeved with the main shaft, the main shaft is provided with the main shaft box, a boring hole is respectively arranged at the left end and the right end of the main shaft box and is divided into a front boring hole and a rear boring hole, the positioning nut, the front bearing rear spacer, the angular contact ball bearing, the double-row cylindrical roller bearing, the front bearing front spacer and the front bearing gland are sequentially arranged on the main shaft in the rear boring hole from left to right, a main shaft front sleeve is arranged between the angular contact ball bearing and the main shaft box, a rear bearing inner spacer, a double-row cylindrical roller bearing, a rear bearing outer spacer and a positioning screw cap are sequentially arranged on a main shaft in the rear boring hole from right to left, a main shaft rear sleeve is arranged between the main shaft box and the double-row cylindrical roller bearing in the rear boring hole, and a rear bearing gland is also arranged between the main shaft rear sleeve and the rear bearing outer spacer;
the left end of the spindle box is provided with a direct-connection external electric spindle which is sleeved on the spindle.
2. The flange type spindle bearing external electric spindle as claimed in claim 1, wherein: the main shaft box is provided with a brake support, the brake support is provided with a brake, the left end of the direct-connection external electric main shaft is provided with a brake disc, and the brake disc is in contact with the brake.
3. The flange type spindle bearing external electric spindle as claimed in claim 2, wherein: the rotary oil cylinder is connected with the direct-connection external electric main shaft through an oil cylinder flange, and the brake disc is arranged on the oil cylinder flange.
4. The flange type spindle bearing external electric spindle as claimed in claim 3, wherein: and a switching disc is also arranged between the oil cylinder flange and the rotary oil cylinder.
5. The flange type spindle bearing external electric spindle as claimed in claim 1, wherein: the direct-connection external electric spindle is arranged on the spindle box through a connecting disc.
6. The flange type spindle bearing external electric spindle as claimed in claim 4, wherein: and the oil cylinder flange is provided with a detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122915222.4U CN216656359U (en) | 2021-11-25 | 2021-11-25 | Flange type spindle bearing external electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122915222.4U CN216656359U (en) | 2021-11-25 | 2021-11-25 | Flange type spindle bearing external electric spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216656359U true CN216656359U (en) | 2022-06-03 |
Family
ID=81790493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122915222.4U Expired - Fee Related CN216656359U (en) | 2021-11-25 | 2021-11-25 | Flange type spindle bearing external electric spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216656359U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770148A (en) * | 2022-06-20 | 2022-07-22 | 常州市昌隆电机股份有限公司 | Auxiliary driving device of spindle motor |
| CN117300179A (en) * | 2023-11-28 | 2023-12-29 | 佛山市朝铨机械实业有限公司 | Machine tool spindle with built-in rotary oil cylinder |
| CN117798714A (en) * | 2024-02-19 | 2024-04-02 | 东莞市成泰伺服技术有限公司 | Multifunctional mechanical processing power mechanism |
-
2021
- 2021-11-25 CN CN202122915222.4U patent/CN216656359U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770148A (en) * | 2022-06-20 | 2022-07-22 | 常州市昌隆电机股份有限公司 | Auxiliary driving device of spindle motor |
| CN117300179A (en) * | 2023-11-28 | 2023-12-29 | 佛山市朝铨机械实业有限公司 | Machine tool spindle with built-in rotary oil cylinder |
| CN117300179B (en) * | 2023-11-28 | 2024-04-09 | 佛山市朝铨机械实业有限公司 | Machine tool spindle with built-in rotary oil cylinder |
| CN117798714A (en) * | 2024-02-19 | 2024-04-02 | 东莞市成泰伺服技术有限公司 | Multifunctional mechanical processing power mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |