CN218836109U - Belt type precision numerical control lathe mechanical main shaft unit - Google Patents
Belt type precision numerical control lathe mechanical main shaft unit Download PDFInfo
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- CN218836109U CN218836109U CN202223349523.6U CN202223349523U CN218836109U CN 218836109 U CN218836109 U CN 218836109U CN 202223349523 U CN202223349523 U CN 202223349523U CN 218836109 U CN218836109 U CN 218836109U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a belt type precision numerical control lathe mechanical spindle unit, including the main shaft body and a main shaft barrel, the main shaft body movable mounting is in the inboard middle position of main shaft barrel, two sets of second bearings have been cup jointed between the main shaft body and the one end of main shaft barrel, three sets of first bearings have been cup jointed between the other end of main shaft body and main shaft barrel, first bearing and second bearing are angular contact ball bearing, and the centre of two sets of first bearings and second bearing all is equipped with the second gasket, all be equipped with the first gasket that is used for cooperating first bearing and second bearing use between the main shaft body and the main shaft barrel; the sealing groove in the bearing gland is matched for forming a reasonable labyrinth waterproof groove structure between the main shaft body and the main shaft barrel, the service life of the first bearing and the second bearing is guaranteed, the prepressing of the bearing is adjusted through the second gasket in the middle of the bearing, the bearing is kept in a better pretightening force state, the rigidity and the precision of the main shaft are improved, and the service life of the main shaft is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the numerical control lathe is relevant, specifically be accurate numerical control lathe mechanical spindle unit of belt formula.
Background
The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system can logically process and decode a program specified by a control code or other symbolic instructions, represent the program by coded numbers, input the coded numbers into a numerical control device through an information carrier, send various control signals by the numerical control device through arithmetic processing, control the action of a machine tool, and automatically machine parts according to the shape and the size required by a drawing.
Patent document CN106112020B discloses a digit control machine tool main shaft, including headstock, casing, front bearing, headstock and toolchanger, the headstock is installed in the casing left side, the main shaft connector is installed in the headstock left side, headstock internally mounted has the main shaft, and main shaft internally mounted main shaft rotor, spacing pin is installed on the headstock right side, and just spacing pin right side installs the front bearing, front bearing internally mounted has displacement sensor, and the displacement sensor right side installs the rotor pad, toolchanger surface mounting has the display screen. Through the stability of main shaft, through two dish type springs of rear bearing internally mounted, can carry out real time monitoring and the effect of protection to main shaft rotor's rotation state for main shaft rotor can work under optimum, improves main shaft rotor's high efficiency and stability.
The lathe mechanical spindle unit has certain defects when in use, the traditional lathe mechanical spindle unit has poor waterproof effect, and only a single sealing ring structure is used for waterproof protection, so that a bearing structure in the lathe mechanical spindle unit is easy to rust, and the stability of the lathe mechanical spindle unit when in use is reduced; secondly, the rigidity of the lathe mechanical spindle unit is poor, and the internal spindle body of the lathe mechanical spindle unit is easily damaged in the long-time running process, so that the service life of the lathe mechanical spindle unit is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be:
1. the traditional lathe mechanical spindle unit has poor waterproof effect, and only a single sealing ring structure is used for waterproof protection, so that a bearing structure in the lathe mechanical spindle unit is easy to rust, and the stability of the lathe mechanical spindle unit in use is reduced;
2. the rigidity of the lathe mechanical spindle unit is poor, and the internal spindle body of the lathe mechanical spindle unit is easy to damage in the long-time running process, so that the service life of the lathe mechanical spindle unit is shortened.
The purpose of the utility model can be realized by the following technical scheme:
belt formula precision numerical control lathe machinery main shaft unit, including the main shaft body and a main shaft section of thick bamboo, the main shaft body movable mounting has two sets of second bearings between the inboard middle part position of a main shaft section of thick bamboo, cup joint three first bearings of group between the one end of main shaft body and a main shaft section of thick bamboo, first bearing and second bearing are angular contact ball bearing, and the centre of two sets of first bearings and second bearing all is equipped with the second gasket, all be equipped with the first gasket that is used for cooperating first bearing and second bearing use between the main shaft body and a main shaft section of thick bamboo.
As a further technical scheme of the utility model, the fixed bearing gland that has cup jointed of one end surface of the main shaft body, the fixed synchronizing wheel that has cup jointed of the other end of the main shaft body utilizes bearing gland's setting, can play sealed fixed action to the bearing arrangement of installation between the main shaft body and the main shaft section of thick bamboo.
As a further technical scheme of the utility model, one end position between the main shaft body and the main shaft section of thick bamboo is equipped with outer spacer, and the surface of outer spacer has cup jointed interior spacer, through the annular groove butt joint between outer spacer and the interior spacer, utilize outer spacer and interior spacer to form double box formula spacer structure, when not influencing the main shaft body and main shaft section of thick bamboo pivoted, promote the leakproofness of the main shaft body and a main shaft section of thick bamboo.
As the utility model discloses a further technical scheme, cup jointed waterproof gland between the other end of main shaft section of thick bamboo and the main shaft body, the section of thick bamboo nut is installed to the tip of main shaft section of thick bamboo, utilizes waterproof gland's setting, plays sealed effect to two sets of second bearings of main shaft section of thick bamboo and the main shaft body other end, avoids the second bearing corrosion of intaking.
As a further technical scheme of the utility model, the one end that the surface of the main shaft body is located the synchronizing wheel is provided with the brake block, one side of brake block is provided with the hydro-cylinder connection pad.
As a further technical scheme of the utility model, be equipped with sealed spacer sleeve between the main shaft body and the brake block, one side of synchronizing wheel is equipped with the encoder, all is equipped with the lock nut who is used for fixing first bearing and second bearing and uses between main shaft section of thick bamboo and the main shaft body.
The utility model has the advantages that: the utility model discloses a set up outer spacer and inner spacer, when this belt type precision numerical control lathe machinery main shaft unit uses, utilize outer spacer and inner spacer to fix the main shaft body and the one end of main shaft section of thick bamboo, can effectively promote the leakproofness between main shaft body and the main shaft section of thick bamboo, dock through the ring groove between outer spacer and the inner spacer, make and rotate between outer spacer and the inner spacer and operate, inner spacer directly cup joints the surface at the main shaft body, outer spacer fixes the inboard at the main shaft section of thick bamboo, outer spacer and inner spacer form the double-unit formula spacer structure between main shaft body and the main shaft section of thick bamboo, when not influencing main shaft body and main shaft section of thick bamboo rotation, promote the leakproofness of main shaft body and main shaft section of thick bamboo, cooperate the seal groove in the bearing gland, make to form reasonable labyrinth water proof tank structure between main shaft body and the main shaft section of thick bamboo, the life of first bearing and second bearing has been guaranteed, adjust the pre-compaction of bearing through the second gasket in the middle of bearing, make the bearing keep in a better pretightning force state, the rigidity and the precision of main shaft have been improved, promote its life;
through the arrangement of the two groups of second bearings and the three groups of first bearings, when the belt type precision numerical control lathe mechanical main shaft unit is used, the front and rear bearings adopt an angular contact ball bearing structure with three front bearings and two rear bearings, the stability between the main shaft body and the main shaft barrel is improved, and the high rigidity of the main shaft body is greatly ensured by the front and rear spans of the two groups of second bearings and the three groups of first bearings.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings. FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an overall structure diagram of the middle combined bayonet of the present invention.
In the figure: 1. a main shaft body; 2. a bearing gland; 3. a main shaft cylinder; 4. a first bearing; 5. a second bearing; 6. a barrel nut; 7. a synchronizing wheel; 8. sealing the spacer bush; 9. an oil cylinder connecting plate; 10. a brake pad; 11. an encoder; 12. a waterproof gland; 13. a first gasket; 14. a second gasket; 15. locking the nut; 16. an outer spacer sleeve; 17. an inner spacer sleeve.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the belt type mechanical spindle unit of the precise numerical control lathe comprises a spindle body 1 and a spindle barrel 3, wherein the spindle body 1 is movably mounted in the middle position of the inner side of the spindle barrel 3, two sets of second bearings 5 are sleeved between one ends of the spindle body 1 and the spindle barrel 3, three sets of first bearings 4 are sleeved between the other ends of the spindle body 1 and the spindle barrel 3, the first bearings 4 and the second bearings 5 are angular contact ball bearings, second gaskets 14 are arranged between the two sets of first bearings 4 and the two sets of second bearings 5, and first gaskets 13 used for matching the first bearings 4 and the second bearings 5 are arranged between the spindle body 1 and the spindle barrel 3.
The bearing gland 2 is fixedly sleeved on the outer surface of one end of the main shaft body 1, the synchronizing wheel 7 is fixedly sleeved on the other end of the main shaft body 1, and the bearing structure arranged between the main shaft body 1 and the main shaft barrel 3 can be sealed and fixed by the aid of the bearing gland 2.
An outer spacer bush 16 is arranged at one end between the main shaft body 1 and the main shaft barrel 3, an inner spacer bush 17 is sleeved on the outer surface of the outer spacer bush 16, the outer spacer bush 16 and the inner spacer bush 17 are in butt joint through an annular clamping groove, a double-combined spacer bush structure is formed by the outer spacer bush 16 and the inner spacer bush 17, and the sealing performance of the main shaft body 1 and the main shaft barrel 3 is improved while the rotation of the main shaft body 1 and the main shaft barrel 3 is not influenced.
The waterproof gland 12 is sleeved between the other ends of the spindle barrel 3 and the spindle body 1, the spindle barrel nut 6 is installed at the end part of the spindle barrel 3, the spindle barrel 3 and the two groups of second bearings 5 at the other ends of the spindle body 1 are sealed by the aid of the waterproof gland 12, and water inlet corrosion of the second bearings 5 is avoided.
One end of the outer surface of the main shaft body 1, which is positioned at the synchronous wheel 7, is provided with a brake pad 10, and one side of the brake pad 10 is provided with an oil cylinder connecting disc 9.
A sealing spacer 8 is arranged between the main shaft body 1 and the brake pad 10, an encoder 11 is arranged on one side of the synchronizing wheel 7, and locking nuts 15 used for fixing the first bearing 4 and the second bearing 5 are arranged between the main shaft barrel 3 and the main shaft body 1.
The belt type precision numerical control lathe mechanical spindle unit is provided with the outer spacer 16 and the inner spacer 17, when the belt type precision numerical control lathe mechanical spindle unit is used, one end of the spindle body 1 and one end of the spindle barrel 3 are fixed by the outer spacer 16 and the inner spacer 17, the sealing property between the spindle body 1 and the spindle barrel 3 can be effectively improved, the outer spacer 16 and the inner spacer 17 are butted through an annular clamping groove, the outer spacer 16 and the inner spacer 17 can be rotationally operated, the inner spacer 17 is directly sleeved on the outer surface of the spindle body 1, the outer spacer 16 is fixedly sleeved on the inner side of the spindle barrel 3, the outer spacer 16 and the spindle barrel 17 form a double-recombination spacer structure between the spindle body 1 and the spindle barrel 3, the sealing property of the spindle body 1 and the spindle barrel 3 is improved while the rotation of the spindle body 1 and the spindle barrel 3 are not influenced, a reasonable labyrinth waterproof groove structure is formed between the spindle body 1 and the spindle barrel 3 by matching with a sealing groove in the bearing gland 2, the service life of a first bearing 4 and the second bearing 5 is ensured, the sealing force of a second bearing gasket is adjusted, the service life of the bearing is improved, and the service life of the bearing is improved, and the preload of the bearing is improved, and the service life of the bearing is improved;
through the arrangement of the two groups of second bearings 5 and the three groups of first bearings 4, when the belt type precision numerical control lathe mechanical main shaft unit is used, the front and rear bearings adopt an angular contact ball bearing structure with three front bearings and two rear bearings, the stability between the main shaft body 1 and the main shaft barrel 3 is improved, and the front and rear spans of the two groups of second bearings 5 and the three groups of first bearings 4 greatly ensure that the main shaft body 1 has higher rigidity.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. Belt formula precision numerical control lathe machinery main shaft unit, its characterized in that, including main shaft body (1) and main shaft barrel (3), main shaft body (1) movable mounting has two sets of second bearings (5) between the inboard middle part position of main shaft barrel (3), cup jointed between the one end of main shaft body (1) and main shaft barrel (3), cup jointed three first bearings (4) of group between the other end of main shaft body (1) and main shaft barrel (3), first bearing (4) and second bearing (5) are angular contact ball bearing, and the centre of two sets of first bearings (4) and second bearing (5) all is equipped with second gasket (14), all be equipped with between main shaft body (1) and main shaft barrel (3) and be used for cooperating first gasket (13) that first bearing (4) and second bearing (5) used.
2. The belt type mechanical spindle unit of the precise numerically controlled lathe according to claim 1, wherein a bearing gland (2) is fixedly sleeved on the outer surface of one end of the spindle body (1), and a synchronizing wheel (7) is fixedly sleeved on the other end of the spindle body (1).
3. The belt type mechanical spindle unit of the precise numerical control lathe according to claim 1, wherein an outer spacer sleeve (16) is arranged at one end between the spindle body (1) and the spindle barrel (3), an inner spacer sleeve (17) is sleeved on the outer surface of the outer spacer sleeve (16), and the outer spacer sleeve (16) and the inner spacer sleeve (17) are butted through an annular clamping groove.
4. The belt type precision numerically controlled lathe mechanical spindle unit according to claim 3, wherein a waterproof gland (12) is sleeved between the spindle barrel (3) and the other end of the spindle body (1), and a spindle barrel nut (6) is mounted at the end of the spindle barrel (3).
5. The belt type mechanical spindle unit of the precise numerical control lathe according to claim 2, wherein a brake pad (10) is arranged at one end, positioned on the synchronous wheel (7), of the outer surface of the spindle body (1), and a cylinder connecting disc (9) is arranged at one side of the brake pad (10).
6. The belt type precision numerically controlled lathe mechanical spindle unit according to claim 5, wherein a sealing spacer (8) is arranged between the spindle body (1) and the brake pad (10), an encoder (11) is arranged on one side of the synchronizing wheel (7), and a locking nut (15) used for fixing the first bearing (4) and the second bearing (5) is arranged between the spindle barrel (3) and the spindle body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223349523.6U CN218836109U (en) | 2022-12-13 | 2022-12-13 | Belt type precision numerical control lathe mechanical main shaft unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223349523.6U CN218836109U (en) | 2022-12-13 | 2022-12-13 | Belt type precision numerical control lathe mechanical main shaft unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218836109U true CN218836109U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223349523.6U Active CN218836109U (en) | 2022-12-13 | 2022-12-13 | Belt type precision numerical control lathe mechanical main shaft unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218836109U (en) |
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2022
- 2022-12-13 CN CN202223349523.6U patent/CN218836109U/en active Active
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