CN215171626U - High-speed high-rigidity waterproof grinding wheel electric spindle structure - Google Patents
High-speed high-rigidity waterproof grinding wheel electric spindle structure Download PDFInfo
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- CN215171626U CN215171626U CN202121367784.3U CN202121367784U CN215171626U CN 215171626 U CN215171626 U CN 215171626U CN 202121367784 U CN202121367784 U CN 202121367784U CN 215171626 U CN215171626 U CN 215171626U
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- main shaft
- grinding wheel
- rotor
- waterproof
- overcoat
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Abstract
The utility model relates to a waterproof emery wheel electricity main shaft structure of high-speed high rigidity, including the main shaft overcoat, be equipped with main shaft, stator, rotor, preceding combination bearing and back combination bearing in the main shaft overcoat, preceding combination bearing, rotor and back combination bearing overlap in proper order from the front backward on the main shaft, the stator sets up between main shaft overcoat and rotor, rotor and stator phase-match, the front end housing is connected to the front end of main shaft overcoat, the cover is equipped with waterproof circle after the main shaft stretches out the front end housing, be equipped with the sealing washer between main shaft and the front end housing, adopt labyrinth seal between waterproof circle and the main shaft. The utility model discloses a combination sealing waterproof nature is good, and the rotational speed is high, and the rigidity is high, and stability is strong, and it is little to generate heat, and processing part surface quality is high, and is applicable in high accuracy equipment.
Description
Technical Field
The utility model relates to a machine-building technical field, concretely relates to high-speed high rigidity waterproof emery wheel electricity main shaft structure.
Background
The grinding wheel shaft that grinding machine used usually adopts ordinary motor to drive, and the motor rotates and drives the rotation of motor band pulley, and then drives the belt pulley rotation of grinding wheel shaft through the belt, drives the grinding wheel rotation of grinding wheel shaft installation simultaneously, carries out abrasive machining to the work piece, but this kind of grinding wheel shaft passes through belt drive's structure setting, and motor drive belt drives the main shaft and rotates and can produce the vibration, and the grinding process is unstable, can not satisfy the requirement of present generation high efficiency high accuracy. 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, a grinding wheel spindle driven by the electric spindle is partially adopted, the electric spindle needs to be cooled aiming at the problem that the electric spindle has large heat productivity, and the grinding wheel electric spindle can be damaged if cooling water enters the electric spindle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the aforesaid not enough, provide a high-speed high rigidity waterproof grinding wheel electricity main shaft structure, adopt combination sealing waterproof nature good, the rotational speed is high, and the rigidity is high, and stability is strong, and it is little to generate heat, and processing part surface quality is high, and is applicable in high accuracy equipment.
The purpose of the utility model is realized like this:
the utility model provides a waterproof emery wheel electricity main shaft structure of high-speed high rigidity, includes the main shaft overcoat, be equipped with main shaft, stator, rotor, preceding combination bearing and back combination bearing in the main shaft overcoat, preceding combination bearing, rotor and back combination bearing overlap in proper order from preceding backward on the main shaft, the stator sets up between main shaft overcoat and rotor, rotor and stator phase-match, the front end housing is connected to the front end of main shaft overcoat, the cover is equipped with waterproof circle after the main shaft stretches out the front end housing, be equipped with the sealing washer between main shaft and the front end housing, adopt labyrinth seal between waterproof circle and the main shaft.
Preferably, the rear combination bearing is located between main shaft and the rear bearing seat, the rear bearing seat passes through the tang with the main shaft overcoat and is connected, the rear end cap is connected to the rear bearing seat, and the rear end cap is sealed to the main shaft rear end, the rear end portion cover of main shaft is equipped with the toothed disc, is equipped with the encoder outward from the toothed disc, the encoder is fixed on the rear bearing seat, encoder and toothed disc phase-match.
Preferably, the rear end cover is provided with a joint, the spindle is sleeved with a cooling water channel, and the joint is communicated with the cooling water channel.
Preferably, the rear end cover and the rear bearing seat are sealed through an O-shaped ring, and the O-shaped ring is arranged on the end face of the rear end cover.
Preferably, the front end of the main shaft is connected with a grinding wheel flange pressing cover plate, and the main shaft and the grinding wheel flange pressing cover plate are sealed through an end face oil seal.
The utility model has the advantages that:
the utility model discloses a combination sealing form, waterproof performance is good, can be used to abominable use occasion.
The utility model discloses the main shaft rotational speed is high, and axial stability is good, and workpiece surface machining precision is high.
The utility model discloses long service life, application range is wide.
The utility model discloses the main shaft generates heat for a short time, and is efficient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: a main shaft 1; a main shaft outer sleeve 2; a front end cover 3; a waterproof ring 4; a front combination bearing 5; a rear combination bearing 6; a seal ring 7; a gear wheel 8; an O-shaped ring 9; a rotor 10; a stator 11; an end face oil seal 12; the grinding wheel flange compresses the cover plate 13; an encoder 14; a rear end cap 15; a rear bearing support 16.
Detailed Description
Referring to fig. 1, the utility model relates to a high-speed high rigidity waterproof emery wheel electricity main shaft structure, including main shaft overcoat 2, be equipped with main shaft 1, stator 11, rotor 10, preceding combination bearing 5 and back combination bearing 6 in the main shaft overcoat 2, preceding combination bearing 5, rotor 10 and back combination bearing 6 overlap in proper order from preceding backward on main shaft 1, stator 11 sets up between main shaft overcoat 2 and rotor 10, rotor 10 and stator 11 phase-match, front end connection front end housing 3 of main shaft overcoat 2, main shaft 1 stretches out the cover behind front end housing 3 and is equipped with waterproof circle 4, be equipped with sealing washer 7 between main shaft 1 and the front end housing 3, sealing washer 7 is the VA sealing washer, adopt labyrinth seal between waterproof circle 4 and the main shaft 1, and the main shaft front end carries out the combination seal through clearance seal, labyrinth seal and sealing washer 7, to the main shaft front end, to high-speed high rigidity electricity main shaft structure, The spindle has good waterproof performance at low speed, static state and expansion with heat and contraction with cold, and has good comprehensive waterproof performance, simple structure and low cost.
Rear combined bearing 6 is located between main shaft 1 and the rear bearing seat 16, rear bearing seat 16 passes through the tang with main shaft overcoat 2 and is connected, rear end cover 15 is connected to rear bearing seat 16, and rear end cover 15 is sealed to the main shaft rear end, the rear end cover of main shaft 1 is equipped with toothed disc 8, and toothed disc 8 is equipped with encoder 14 outward, encoder 14 is fixed on rear bearing seat 16, encoder 14 and toothed disc 8 phase-matches, and the control main shaft is rotatory.
The front combined bearing 5 and the rear combined bearing 6 both adopt high-precision double-row cylindrical roller bearings and angular contact bearings, and the two bearings are combined for use and respectively bear radial force and axial force, so that the radial run-out and axial run-out precision is respectively guaranteed, the precision is high, and the bearing capacity is large. The bearing installation adopts clearance adjustment structure, improves the rigidity and the rotational speed of main shaft, reduces the main shaft and generates heat the temperature rise.
The rear end cover 15 is provided with a joint, the spindle sleeve 2 is provided with a cooling water channel, and the joint is communicated with the cooling water channel.
The rear end cover 15 and the rear bearing seat 16 are sealed by an O-ring, and the O-ring is arranged on the end surface of the rear end cover 15.
The front end of the main shaft 1 is connected with a grinding wheel flange pressing cover plate 13, and the main shaft 1 and the grinding wheel flange pressing cover plate 13 are sealed through end face oil seals.
The use of the combined bearing greatly improves the rigidity and the rotating speed of the main shaft, the combined sealing form consisting of the gap seal, the labyrinth seal and the VA seal ring on the main shaft has good waterproof performance on the main shaft at high speed, low speed, static state and expansion with heat and contraction with cold of the main shaft, the comprehensive waterproof performance is good, the used waterproof and dustproof structure adopts a sealing mode without heating and abrasion, the high waterproof sealing characteristic of the main shaft is ensured, and the reliability is improved.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a high-speed high rigidity waterproof emery wheel electricity main shaft structure which characterized in that: including main shaft overcoat (2), be equipped with main shaft (1), stator (11), rotor (10), preceding combination bearing (5) and back combination bearing (6) in main shaft overcoat (2), preceding combination bearing (5), rotor (10) and back combination bearing (6) are established in proper order in the past and are established on main shaft (1), stator (11) set up between main shaft overcoat (2) and rotor (10), rotor (10) and stator (11) phase-match, front end housing (3) is connected to the front end of main shaft overcoat (2), main shaft (1) stretches out the cover behind front end housing (3) and is equipped with waterproof circle (4), be equipped with between main shaft (1) and front end housing (3) sealing washer (7), adopt labyrinth seal between waterproof circle (4) and main shaft (1).
2. The electric spindle structure for the high-speed and high-rigidity waterproof grinding wheel according to claim 1, characterized in that: rear combination bearing (6) are located between main shaft (1) and rear bearing seat (16), rear bearing seat (16) are connected through the tang with main shaft overcoat (2), rear end cap (15) is connected in rear bearing seat (16), and rear end cap (15) are sealed to the main shaft rear end, the back tip cover of main shaft (1) is equipped with toothed disc (8), and toothed disc (8) are equipped with encoder (14) outward, encoder (14) are fixed on rear bearing seat (16), encoder (14) and toothed disc (8) phase-match.
3. The electric spindle structure for the high-speed and high-rigidity waterproof grinding wheel according to claim 2, characterized in that: the rear end cover (15) is provided with a joint, the spindle sleeve (2) is provided with a cooling water channel, and the joint is communicated with the cooling water channel.
4. The electric spindle structure for the high-speed and high-rigidity waterproof grinding wheel according to claim 2, characterized in that: the rear end cover (15) and the rear bearing seat (16) are sealed through an O-shaped ring, and the O-shaped ring is arranged on the end face of the rear end cover (15).
5. The electric spindle structure for the high-speed and high-rigidity waterproof grinding wheel according to claim 1, characterized in that: the front end of the main shaft (1) is connected with a grinding wheel flange pressing cover plate (13), and the main shaft (1) and the grinding wheel flange pressing cover plate (13) are sealed through end face oil seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367784.3U CN215171626U (en) | 2021-06-21 | 2021-06-21 | High-speed high-rigidity waterproof grinding wheel electric spindle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367784.3U CN215171626U (en) | 2021-06-21 | 2021-06-21 | High-speed high-rigidity waterproof grinding wheel electric spindle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171626U true CN215171626U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121367784.3U Active CN215171626U (en) | 2021-06-21 | 2021-06-21 | High-speed high-rigidity waterproof grinding wheel electric spindle structure |
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| Country | Link |
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| CN (1) | CN215171626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431125A (en) * | 2022-08-23 | 2022-12-06 | 安徽领琢智能科技有限公司 | Integrated constant-force air-cooled grinding machine for flexibly grinding iron casting and using method thereof |
-
2021
- 2021-06-21 CN CN202121367784.3U patent/CN215171626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431125A (en) * | 2022-08-23 | 2022-12-06 | 安徽领琢智能科技有限公司 | Integrated constant-force air-cooled grinding machine for flexibly grinding iron casting and using method thereof |
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