CN215091126U - Novel gear grinding machine grinding head assembly - Google Patents
Novel gear grinding machine grinding head assembly Download PDFInfo
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- CN215091126U CN215091126U CN202121187813.8U CN202121187813U CN215091126U CN 215091126 U CN215091126 U CN 215091126U CN 202121187813 U CN202121187813 U CN 202121187813U CN 215091126 U CN215091126 U CN 215091126U
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- main shaft
- bearing
- grinding wheel
- grinding
- pressing
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Abstract
The utility model discloses a novel gear grinding machine bistrique assembly, which comprises a main shaft, angular contact bearing and emery wheel, emery wheel ring flange are equipped with to the front end of main shaft, and double-row roller bearing and servo motor are equipped with to the rear end spindle is equipped with spindle bearing shell and spindle nose casing outward for the oil pocket between spindle bearing shell and the spindle nose casing be equipped with the oiling mouth on the spindle nose casing. The utility model effectively eliminates the axial clearance, and the radial rigidity is also ensured; the flange has the advantages of ensuring the use performance of the flange, being wear-resistant and stable in positioning performance, reducing the weight, enabling the balance of the rotation of the main shaft to be good, being more economical and practical, improving the precision, reducing the weight, saving energy, improving the efficiency, reducing the power loss of the motor and the like.
Description
Technical Field
The utility model belongs to the technical field of the machine tooling, concretely relates to novel gear grinding machine bistrique assembly.
Background
The grinding wheel spindle of the gear grinding machine produced at present in China can only be provided with a grinding wheel with the diameter of about 400, the grinding wheel with the diameter of about 400 is applied to the field of generating grinding, the three-section of the processed tooth direction of the gear grinding machine does not meet the requirement, and the tooth direction has a concave phenomenon. The upper, middle and lower tooth profiles in the tooth thickness direction are relatively large. It is desirable to increase the size of the wheel to mitigate its effect. The utility model discloses a can install 700 emery wheel, this problem of fine solution.
Disclosure of Invention
An object of the utility model is to provide a novel gear grinding machine bistrique assembly to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel gear grinding machine bistrique assembly, includes the main shaft, angular contact bearing and emery wheel are equipped with to the front end of main shaft, and double row roller bearing and servo motor are equipped with to the rear end main shaft is equipped with main shaft bearing shell and main shaft head casing outward be the oil pocket between main shaft bearing shell and the main shaft head casing be equipped with the oiling mouth on the main shaft head casing.
Preferably, the inner end of the angular contact bearing is pressed with the main shaft 7 through a pressing transition gasket and a front pressing nut, and the outer end of the angular contact bearing is pressed with the main shaft through a front bearing outer ring pressing cover.
Preferably, the inner end of the double-row roller bearing is provided with a rear bearing inner labyrinth gasket, and the outer end of the double-row roller bearing is pressed with the main shaft through a rear bearing pressing transition washer, a rear bearing pressing cover and a rear pressing nut.
Preferably, the grinding wheel is mounted on the main shaft through a grinding wheel flange base and a grinding wheel mounting flange, a balancing weight is mounted on the grinding wheel flange base through a jacking screw, and a flange gland is mounted at the front end of the grinding wheel flange base.
Preferably, the front end of the grinding wheel is provided with a grinding wheel pressing ring, and the rear end of the grinding wheel is provided with a grinding wheel housing.
Preferably, a framework oil seal and a wear-resistant ring are arranged between the front bearing outer ring gland and the grinding wheel.
The utility model discloses a technological effect and advantage:
1. the front end angular contact ball bearing and the rear end double-row roller bearing are adopted, so that the axial clearance is effectively eliminated, and the radial rigidity is also ensured;
2. no. 5 spindle oil is added into a spindle bearing shell, and is thrown up through rotation to lubricate and cool a bearing device;
3. the grinding wheel flange base is made of steel parts and is guaranteed to be wear-resistant, the grinding wheel mounting flange and the grinding wheel pressing ring are made of aluminum alloy, the use performance of the flange is guaranteed, wear resistance and stable positioning performance are achieved, weight can be reduced, and the balance of rotation of the main shaft is good. The load on the motor is reduced, and the heating conditions of the motor and the main shaft are reduced;
4. the framework oil seal and the wear-resistant ring are matched for use, so that a sealing effect is achieved, the inner cavity of the bearing shell can store oil to lubricate the main shaft, and meanwhile, the temperature is reduced, and the service life of the main shaft is prolonged;
5. the wear-resistant ring is assembled on the main shaft, so that the abrasion of key parts is reduced, and the wear-resistant ring can be replaced after being abraded, so that the spindle is more economical and practical;
6. the inner rings of the front bearing and the rear bearing are tightly pressed by adopting the compression nuts, so that the precision during assembly is convenient to adjust, and the radial jump and the end jump of the front bearing and the rear bearing can be ensured to be within 2u by adjusting the pressing force of a small screw on the nut, so that the precision is improved;
7. the over-winning assembly amount of the inner ring of the rear bearing can be adjusted by adjusting the thickness of the labyrinth liner of the rear bearing, so that the play of the rear bearing is eliminated, and the rotation precision is improved. The labyrinth plays a role in preventing dust and preventing oil in the inner hole from being thrown out;
8. the middle of the main shaft is designed to be hollow, so that the weight is reduced, the energy is saved, the efficiency is improved, and the power loss of the motor is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numbers in the figures: 1 grinding wheel housing, 2 grinding wheel mounting flanges, 3 grinding wheels, 4 grinding wheel pressing rings, 5 flange pressing covers, 6 front bearing outer ring pressing covers, 7 main shafts, 8 main shaft bearing shells, 9 angular contact bearings, 10 main shaft head shells, 11 double-row roller bearings, 12 rear bearing pressing covers, 14 servo motors, 16 rear pressing nuts, 17 rear bearing pressing transition washers, 18 rear bearing inner labyrinth gaskets, 19 front pressing nuts, 20 pressing transition gaskets, 21 wear-resistant rings, 22 framework oil seals, 24 grinding wheel flange bases, 25 balancing weights and 26 jacking screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 shows the utility model relates to a specific implementation of a novel gear grinding machine bistrique assembly: the grinding machine comprises a main shaft 7, wherein an angular contact bearing 9 and a grinding wheel 3 are arranged at the front end of the main shaft 7, a double-row roller bearing 11 and a servo motor 14 are arranged at the rear end of the main shaft 7, the inner end of the angular contact bearing 9 is tightly pressed with the main shaft 7 through a compression transition gasket 20 and a front compression nut 19, and the outer end of the angular contact bearing is tightly pressed with the main shaft 7 through a front bearing outer ring gland 6; the inner end of the double-row roller bearing 11 is provided with a rear bearing inner labyrinth liner 18, the over-winning assembly amount of the inner ring of the rear bearing can be adjusted by adjusting the thickness of the rear bearing labyrinth liner 18, so that the clearance of the rear bearing is eliminated, the rotation precision is improved, the labyrinth liner can also play a dustproof role, and oil in an inner hole is prevented from being thrown out; the outer end of the main shaft 7 is pressed through a rear bearing pressing transition washer 17, a rear bearing pressing cover 12 and a rear pressing nut 16 so as to be convenient for adjusting the precision during assembly, and the radial run-out and the end run-out of the front bearing and the rear bearing are within 2u by adjusting the pressing force of each nut; a main shaft bearing shell 8 and a main shaft head shell 10 are arranged outside the main shaft 7, an oil cavity is arranged between the main shaft bearing shell 8 and the main shaft head shell 10, and an oil filling port is arranged on the main shaft head shell 10; the grinding wheel 3 is arranged on the main shaft 7 through a grinding wheel flange base 24 and a grinding wheel mounting flange 2, a balancing weight 25 is arranged on the grinding wheel flange base 24 through a jacking screw 26, and a flange gland is arranged at the front end of the grinding wheel flange base 24; the front end of the grinding wheel 3 is provided with a grinding wheel pressing ring 4, and the rear end is provided with a grinding wheel housing 1; and a framework oil seal 22 and a wear-resistant ring 21 are arranged between the front bearing outer ring gland 6 and the grinding wheel to play a role in sealing, so that the inner cavity of the main shaft can store oil to lubricate the main shaft, and meanwhile, the temperature is reduced, and the service life of the main shaft is prolonged.
The front and rear bearing through angle contact bearings of the grinding wheel spindle and the thrust ball bearing are centered, 5# spindle oil is injected into the bearing shell to play a role in lubrication and cooling, and the oil cannot overflow out of the spindle due to the corresponding labyrinth and proper oil quantity. The grinding wheel flange is assembled by matching different materials, the middle main shaft is hollow, the weight is reduced, the energy consumption is reduced, and the main shaft is prevented from being heated too fast. The balancing weight on the flange can be used for dynamic balance adjustment, and vibration of the main shaft during rotation is reduced. The precision is improved.
The applicant further states that the present invention is described by the above embodiments, but the present invention is not limited to the above embodiments, i.e. the present invention is not limited to the above embodiments, and the present invention can be implemented only by relying on the above methods and structures. It should be clear to those skilled in the art that any improvement of the present invention is to the present invention, and the addition of the equivalent replacement of the implementation method and the steps, the selection of the specific mode, etc. all fall within the protection scope and the disclosure scope of the present invention.
The utility model discloses not limited to above-mentioned embodiment, all adopt and the utility model discloses similar structure and method realize the utility model discloses all modes of purpose all are within the protection scope of the utility model.
Claims (6)
1. The utility model provides a novel gear grinding machine bistrique assembly, includes main shaft (7), its characterized in that: the grinding machine is characterized in that an angular contact bearing (9) and a grinding wheel (3) are mounted at the front end of the main shaft (7), a double-row roller bearing (11) and a servo motor (14) are mounted at the rear end of the main shaft (7), a main shaft bearing shell (8) and a main shaft head shell (10) are mounted outside the main shaft (7), an oil cavity is formed between the main shaft bearing shell (8) and the main shaft head shell (10), and an oil injection port is formed in the main shaft head shell (10).
2. The novel grinding head assembly of the gear grinding machine as claimed in claim 1, wherein: the inner end of the angular contact bearing (9) is pressed with the main shaft (7) through a pressing transition gasket (20) and a front pressing nut (19), and the outer end of the angular contact bearing is pressed with the main shaft (7) through a front bearing outer ring gland (6).
3. The novel grinding head assembly of the gear grinding machine as claimed in claim 1, wherein: the inner end of the double-row roller bearing (11) is provided with a rear bearing inner labyrinth gasket (18), and the outer end of the double-row roller bearing is tightly pressed with the main shaft (7) through a rear bearing pressing transition washer (17), a rear bearing pressing cover (12) and a rear pressing nut (16).
4. The novel grinding head assembly of the gear grinding machine as claimed in claim 1, wherein: the grinding wheel (3) is arranged on the main shaft (7) through a grinding wheel flange base (24) and a grinding wheel mounting flange (2), a balancing weight (25) is arranged on the grinding wheel flange base (24) through a jacking screw (26), and a flange gland (5) is arranged at the front end of the grinding wheel flange base (24).
5. The novel gear grinding machine grinding head assembly as claimed in claim 4, wherein: the front end of the grinding wheel (3) is provided with a grinding wheel pressing ring (4), and the rear end is provided with a grinding wheel cover (1).
6. The novel grinding head assembly of the gear grinding machine as claimed in claim 2, wherein: and a framework oil seal (22) and a wear-resistant ring (21) are arranged between the front bearing outer ring gland (6) and the grinding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187813.8U CN215091126U (en) | 2021-05-31 | 2021-05-31 | Novel gear grinding machine grinding head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187813.8U CN215091126U (en) | 2021-05-31 | 2021-05-31 | Novel gear grinding machine grinding head assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215091126U true CN215091126U (en) | 2021-12-10 |
Family
ID=79301427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121187813.8U Active CN215091126U (en) | 2021-05-31 | 2021-05-31 | Novel gear grinding machine grinding head assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215091126U (en) |
-
2021
- 2021-05-31 CN CN202121187813.8U patent/CN215091126U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Type of Gear Grinding Machine Grinding Head Assembly Effective date of registration: 20230426 Granted publication date: 20211210 Pledgee: Bank of Hangzhou Limited by Share Ltd. Shanghai branch Pledgor: SHANGHAI THINKHEAD M&E Co.,Ltd. Registration number: Y2023310000151 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |