CN208961008U - A kind of main axle structure for machining center - Google Patents
A kind of main axle structure for machining center Download PDFInfo
- Publication number
- CN208961008U CN208961008U CN201821691223.7U CN201821691223U CN208961008U CN 208961008 U CN208961008 U CN 208961008U CN 201821691223 U CN201821691223 U CN 201821691223U CN 208961008 U CN208961008 U CN 208961008U
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- spindle
- main body
- axle sleeve
- sleeve
- oil cylinder
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Abstract
The utility model discloses a kind of main axle structures for machining center, it is covered including front end, butterfly spring, spindle main body and ring spray water inlet, the side of the spindle main body is provided with axle sleeve, and the bottom end of axle sleeve is equipped with curtain air admission hole, the surface of the axle sleeve is provided with ring spray water inlet, and cooling water inlet is installed on the axle sleeve of ring spray water inlet one end, front end capping is installed in the spindle main body of the axle sleeve side, and front end covers the side far from axle sleeve and is evenly arranged with nozzle of cutting fluid, the front end covers the side far from axle sleeve and is provided with protection ring, the top and bottom end of front end capping side are mounted on locating piece, the front end capping is internally provided with air curtain ring, the other side of the spindle main body is provided with rear end capping.The utility model by selection lock sleeve, and by six bolts be inserted into central spindle lockhole inner shafts to locking with enhance shaft coupling reducing sleeve and between coupling mechanism force, realize the good locking of central spindle Yu shaft coupling reducing sleeve.
Description
Technical field
The utility model relates to spindle technology field, specially a kind of main axle structure for machining center.
Background technique
The main shaft of machining center is adopted between main shaft and motor as a kind of vertical direct coupled high-speed rotary main shaft (8000rpm)
Be driven with the form of shaft coupling, and rely solely on 6 screw locking main shafts between shaft coupling and central spindle it is easy to appear
Fatigue fracture, therefore need to provide additional coupling mechanism force to maintain the continuous-stable of main shaft to rotate；Facilitate accurate measurements numerically-controlled machine tool
The specific location of knife handle in exchanging knives process needs to increase sensor detection and sensing chip to realize the automation process of tool changing；By
Main shaft is protected in running at high speed will lead to and generate a large amount of water mist in cutting process in such main shaft, simple labyrinth seal
It acts on less desirable, is badly in need of a kind of new and effective protection mechanism；Since main shaft high speed rotation can generate a large amount of heat, heat
Amount can not conduct in time and will lead to bearing running hot locking or burn out, main shaft heat caused by cutting equally can to cutting performance and
Workpiece surface generate adverse effect, it is that cooling is helped by hydraulic that simple metal conduction, which is unable to satisfy requirement, it is existing in
There are many problems or defects for heart main shaft:
First, the coupling mechanism force between shaft coupling reducing sleeve and central spindle is inadequate.
Second, the automatic tool changer not detection to knife handle position in the process.
Third, waterproof ability is poor, inadequate to the protection inside main shaft.
4th, do not make main shaft bearing temperature, tool temperature control within a certain range.
Utility model content
The purpose of this utility model is to provide a kind of main axle structures for machining center, to solve above-mentioned background technique
Coupling mechanism force between the shaft coupling reducing sleeve and central spindle of middle proposition not enough, the not inspection to knife handle position during automatic tool changer
Survey, waterproof ability it is poor, to inside main shaft protection not enough and do not make main shaft bearing temperature, tool temperature control in a certain range
Within the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of main axle structure for machining center,
Including front end capping, butterfly spring, spindle main body and ring spray water inlet, the side of the spindle main body is provided with axle sleeve, and axis
The bottom end of set is equipped with curtain air admission hole, and the surface of the axle sleeve is provided with ring spray water inlet, and the axis of ring spray water inlet one end
It puts on and cooling water inlet is installed, front end capping is installed, and front end is covered far from axis in the spindle main body of the axle sleeve side
The side of set is evenly arranged with nozzle of cutting fluid, and the front end covers the side far from axle sleeve and is provided with protection ring, the front end
The top and bottom end for covering side are mounted on locating piece, and the front end capping is internally provided with air curtain ring, the main shaft master
The other side of body is provided with rear end capping, and rear end covers the side far from spindle main body and is provided with oil cylinder, inside the oil cylinder
Top and bottom end be mounted on block of forging a knife, the oil cylinder is provided with oil cylinder gland, and oil cylinder pressure far from the side that rear end covers
Be provided with piston on the inner sidewall of lid, the inside of the oil cylinder gland is fixed with shaft coupling reducing sleeve, and shaft coupling reducing sleeve with
It is provided with expansion sleeve between piston, position detection piece, the work are provided between the piston and the outside of shaft coupling reducing sleeve
Plug is internal to be provided with lock sleeve between broaching tool bar, and the piston is provided with spiral sink far from the side of spindle main body.
Preferably, the oil cylinder gland is equipped with sensor stand, and sensor branch far from the bottom end of rear end capping side
It is in weldedization structure between frame and oil cylinder gland.
Preferably, it is fixed with central spindle lockhole between the piston and oil cylinder gland, is between the piston and oil cylinder gland
Dismantle mounting structure.
Preferably, the spindle main body is internally provided with central spindle, and the side inside central spindle is provided with BT taper hole, described
The side of central spindle, which is provided with, is internally provided with broaching tool bar, and broaching tool bar with the mutually matched fan air groove of air curtain ring, the central spindle
Above and below central spindle inside be provided with butterfly spring, the butterfly spring symmetrically divides about the horizontal center line of central spindle
Cloth.
Preferably, spiral sink is evenly arranged on the outside of the spindle main body, the spiral sink is in spindle main body
Lateral wall is equally distributed.
Preferably, the surface of the spindle main body is provided with chrome layer.
Compared with prior art, the utility model has the beneficial effects that the main axle structure structure for being used for machining center is closed
Reason, has the advantage that
1, by selection lock sleeve, and central spindle lockhole inner shaft is inserted into locking to enhance shaft coupling switching by six bolts
Set and between coupling mechanism force, realize the good locking of central spindle Yu shaft coupling reducing sleeve.
2, by increasing sensor stand and the design position detection lug on piston on axle sleeve, knife in exchanging knives process is realized
The position control of handle realizes the accurate control of exchanging knives process.
3, by designing air curtain ring and protection ring on front end covers, cooperation central spindle whirlwind slot realize front-end of spindle sealing gland,
Air curtain and whirlwind slot composite structure realize the protection to main shaft internal bearings.
4, by forming comprehensive cooling to cutter and workpiece everywhere in front-end of spindle design, axle sleeve installs outer diameter and designs spiral shell
Spin slot leads to control of the cooling oil realization to bearing temperature, and ring spray controls the temperature of cutter and workpiece in process；Spiral shell
The temperature rise control of bearing is realized after the logical oil of rotation cooling bath.
Detailed description of the invention
Fig. 1 faces the schematic diagram of the section structure for the utility model；
Fig. 2 is enlarged structure schematic diagram at A in the utility model Fig. 1；
Fig. 3 is enlarged structure schematic diagram at B in the utility model Fig. 1；
Fig. 4 is the axle sleeve frontal perspective structural schematic diagram of the utility model；
Fig. 5 is the shaft coupling reducing sleeve frontal perspective structural schematic diagram of the utility model.
In figure: 1, front end covers；2, nozzle of cutting fluid；3, protection ring；4, locating piece；5, BT50 taper hole；6, central spindle；7, gas
Curtain ring；8, curtain air admission hole；9, butterfly spring；10, broaching tool bar；11, it forges a knife block；12, sensor stand；13, expansion sleeve；14,
Shaft coupling reducing sleeve；15, position detection piece；16, piston；17, oil cylinder gland；18, oil cylinder；19, rear end covers；20, main shaft master
Body；21, spiral sink；22, axle sleeve；23, lock sleeve；24, central spindle lockhole；25, fan air groove；26, ring spray water inlet；27, cooling
Water inlet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, a kind of embodiment provided by the utility model: a kind of main axle structure for machining center, packet
It includes front end capping 1, butterfly spring 9, spindle main body 20 and ring spray water inlet 26, the side of spindle main body 20 and is provided with axle sleeve 22,
And the bottom end of axle sleeve 22 is equipped with curtain air admission hole 8, and the surface of spindle main body 20 is provided with chrome layer, increase wear resistance,
Prolong the service life, the outside of spindle main body 20 is evenly arranged with spiral sink 21, and spiral sink 21 is in the outer of spindle main body 20
Side wall is equally distributed, and spindle main body 20 is internally provided with central spindle 6, and the side inside central spindle 6 is provided with BT50 taper hole
5, the side of central spindle 6, which is provided with, is internally provided with broaching tool bar 10, and drawing with the mutually matched fan air groove 25 of air curtain ring 7, central spindle 6
Butterfly spring 9, horizontal center line pair of the butterfly spring 9 about central spindle 6 are provided with inside central spindle 6 above and below knife bar 10
Claim distribution, optimize the structure of the present apparatus, improve cooling effect, the surface of axle sleeve 22 is provided with ring spray water inlet 26, and ring spray into
Cooling water inlet 27 is installed on the axle sleeve 22 of 26 one end of the mouth of a river, front end capping is installed in the spindle main body 20 of 22 side of axle sleeve
1, and front end covers 1 side far from axle sleeve 22 and is evenly arranged with nozzle of cutting fluid 2, front end covers 1 side far from axle sleeve 22
It is provided with protection ring 3, front end covers the top of 1 side and bottom end is mounted on locating piece 4, and front end capping 1 is internally provided with
Air curtain ring 7, the other side of spindle main body 20 is provided with rear end capping 19, and rear end covers 19 sides far from spindle main body 20 and sets
It is equipped with oil cylinder 18, the top and bottom end inside oil cylinder 18 are mounted on block 11 of forging a knife, side of the oil cylinder 18 far from rear end capping 19
It is provided with oil cylinder gland 17, and is provided with piston 16 on the inner sidewall of oil cylinder gland 17, it is solid between piston 16 and oil cylinder gland 17
Surely there is central spindle lockhole 24, convenient for disassembly and assembly in disassembly mounting structure between piston 16 and oil cylinder gland 17, easy to repair and replacement,
Oil cylinder gland 17 is equipped with sensor stand 12, and sensor stand 12 and oil cylinder gland far from the bottom end that rear end covers 19 sides
It is in weldedization structure between 17, increases the stability of structure, the inside of oil cylinder gland 17 is fixed with shaft coupling reducing sleeve 14,
And expansion sleeve 13 is provided between shaft coupling reducing sleeve 14 and piston 16, it is set between piston 16 and the outside of shaft coupling reducing sleeve 14
It is equipped with position detection piece 15, is provided with lock sleeve 23 between 16 inside of piston and broaching tool bar 10, piston 16 is far from spindle main body 20
Side be provided with spiral sink 21.
Working principle: in use, by lock sleeve 23 by axial locking in six bolts insertion central spindle lockholes 24 to enhance
Coupling mechanism force between shaft coupling reducing sleeve 14 and central spindle 6 realizes the good locking of central spindle 6 Yu shaft coupling reducing sleeve 14, later
Increase sensor stand 12 and the design position detection lug 15 on piston 16 on axle sleeve 22, realizes the position of knife handle in exchanging knives process
Control is set, the accurate control of exchanging knives process is realized, passes through design air curtain ring 7 and protection ring 3, fitted shaft in front end capping 1
6 whirlwind slot of core realizes that front-end of spindle sealing gland, air curtain ring 7 and 3 composite structure of protection ring realize the protection to main shaft internal bearings,
Nozzle of cutting fluid 2 forms comprehensive cooling to cutter and workpiece everywhere for front-end of spindle design, and axle sleeve 22 installs outer diameter and designs spiral
Slot leads to control of the cooling oil realization to temperature, and ring spray controls the temperature of cutter and workpiece in process；Butterfly spring 9
The temperature rise control of bearing is realized after the logical oil of cooling bath.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of main axle structure for machining center, including front end capping (1), butterfly spring (9), spindle main body (20) and ring
The spirt mouth of a river (26), it is characterised in that: the side of the spindle main body (20) is provided with axle sleeve (22), and the bottom end of axle sleeve (22)
It is equipped with curtain air admission hole (8), the surface of the axle sleeve (22) is provided with ring spray water inlet (26), and ring spray water inlet (26) one
It is equipped with cooling water inlet (27) on the axle sleeve (22) at end, front end is installed in the spindle main body (20) of axle sleeve (22) side
It covers (1), and front end capping (1) is evenly arranged with nozzle of cutting fluid (2) far from the side of axle sleeve (22), the front end capping
(1) side far from axle sleeve (22) is provided with protection ring (3), and the top and bottom end of the front end capping (1) side are mounted on
Locating piece (4), the front end capping (1) are internally provided with air curtain ring (7), and the other side of the spindle main body (20) is provided with
Rear end covers (19), and rear end capping (19) is provided with oil cylinder (18) far from the side of spindle main body (20), the oil cylinder (18)
Internal top and bottom end is mounted on block of forging a knife (11), and the oil cylinder (18) is provided with oil far from the side of rear end capping (19)
Cylinder gland (17), and piston (16) are provided on the inner sidewall of oil cylinder gland (17), the inside of the oil cylinder gland (17) is fixed
Have shaft coupling reducing sleeve (14), and is provided with expansion sleeve (13), the piston between shaft coupling reducing sleeve (14) and piston (16)
(16) it is provided between the outside of shaft coupling reducing sleeve (14) position detection piece (15), piston (16) inside and broaching tool bar
(10) it is provided between lock sleeve (23), the piston (16) is provided with spiral sink far from the side of spindle main body (20)
(21).
2. a kind of main axle structure for machining center according to claim 1, it is characterised in that: the oil cylinder gland
(17) bottom end far from rear end capping (19) side is equipped with sensor stand (12), and sensor stand (12) and oil cylinder gland
It (17) is in weldedization structure between.
3. a kind of main axle structure for machining center according to claim 1, it is characterised in that: the piston (16) with
It is fixed between oil cylinder gland (17) central spindle lockhole (24), in disassembly installation knot between the piston (16) and oil cylinder gland (17)
Structure.
4. a kind of main axle structure for machining center according to claim 1, it is characterised in that: the spindle main body
(20) be internally provided with central spindle (6), and the internal side of central spindle (6) is provided with BT50 taper hole (5), the one of the central spindle (6)
Side is provided with to be internally provided with broaching tool bar (10) with air curtain ring (7) mutually matched fan air groove (25), the central spindle (6), and
It is provided with butterfly spring (9) inside central spindle (6) above and below broaching tool bar (10), the butterfly spring (9) is about central spindle
(6) horizontal center line is symmetrical.
5. a kind of main axle structure for machining center according to claim 1, it is characterised in that: the spindle main body
(20) it is evenly arranged on the outside of spiral sink (21), the spiral sink (21) is between the lateral wall of spindle main body (20) is in equal
Away from distribution.
6. a kind of main axle structure for machining center according to claim 1, it is characterised in that: the spindle main body
(20) surface is provided with chrome layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691223.7U CN208961008U (en) | 2018-10-18 | 2018-10-18 | A kind of main axle structure for machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691223.7U CN208961008U (en) | 2018-10-18 | 2018-10-18 | A kind of main axle structure for machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208961008U true CN208961008U (en) | 2019-06-11 |
Family
ID=66758264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821691223.7U Active CN208961008U (en) | 2018-10-18 | 2018-10-18 | A kind of main axle structure for machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208961008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480417A (en) * | 2019-09-05 | 2019-11-22 | 深圳市爱贝科精密机械有限公司 | A kind of cooling device and method for main shaft |
| CN116833818A (en) * | 2023-08-31 | 2023-10-03 | 山东豪迈数控机床有限公司 | Air seal ring spraying mechanism for main shaft |
-
2018
- 2018-10-18 CN CN201821691223.7U patent/CN208961008U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480417A (en) * | 2019-09-05 | 2019-11-22 | 深圳市爱贝科精密机械有限公司 | A kind of cooling device and method for main shaft |
| CN116833818A (en) * | 2023-08-31 | 2023-10-03 | 山东豪迈数控机床有限公司 | Air seal ring spraying mechanism for main shaft |
| CN116833818B (en) * | 2023-08-31 | 2023-11-24 | 山东豪迈数控机床有限公司 | Air seal ring spraying mechanism for main shaft |
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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 Spindle Structure for Machining Centers Effective date of registration: 20221017 Granted publication date: 20190611 Pledgee: Bank of China Co.,Ltd. Dongguan Branch Pledgor: DONGGUAN PINZHANG ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980018452 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |