CN107838442A - A kind of high accuracy cutting shafting - Google Patents
A kind of high accuracy cutting shafting Download PDFInfo
- Publication number
- CN107838442A CN107838442A CN201711370038.8A CN201711370038A CN107838442A CN 107838442 A CN107838442 A CN 107838442A CN 201711370038 A CN201711370038 A CN 201711370038A CN 107838442 A CN107838442 A CN 107838442A
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- CN
- China
- Prior art keywords
- shafting
- high accuracy
- rotor
- support set
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention provides a kind of high accuracy cutting shafting, rotor is connected to workpiece spindle by the second support set, stator is connected to workpiece spindle casing, the first support set is provided between front support disk and rotor, first support set is connected by screw in workpiece spindle casing, two groups of bearings are provided between first support set and workpiece spindle, side of the front support disk away from the first support set is connected with the first sealing platen, air admission hole is located between support set and stator, the both ends of rotor are connected to bearing group and contiguous block, bearing is connected between contiguous block and cutter shaft, bearing group is by oil communication in oil inlet, oil inlet is connected with oil seal plug.A kind of high accuracy cutting shafting of the present invention, by changing original kind of drive, and closed-loop control is realized in feedback regulation, so that the precision of machine cut shafting greatly improves, while also uses hermetic seal, reduces heating during cutting.
Description
Technical field
The invention belongs to mechanical design field, more particularly, to a kind of high accuracy cutting shafting.
Background technology
Lathe is very important equipment in machining, and the quality of lathe depends on the machining accuracy of lathe, at present
Most of cutting shaftings use belt transmission, easily because vibration causes processing generation error during transmission.
The content of the invention
In view of this, the present invention is directed to propose a kind of high accuracy cutting shafting, changes the kind of drive, and increase feedback is adjusted
Section so that the precision of lathe greatly improves.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of high accuracy cutting shafting, including：Workpiece shafting and cutter shafting, workpiece shafting and cutter shafting connect respectively
In the both ends of lathe.
The workpiece shafting includes stator, rotor and workpiece spindle, and the rotor is connected to workpiece spindle by the second support set,
Stator is connected to workpiece spindle casing, and the both ends of the workpiece spindle are connected to front support disk and rear support disk, the front support
The first support set is provided between disk and rotor, the first support set is connected by screw in workpiece spindle casing, the first support set and work
Two groups of bearings are provided between part axle, end ring is provided between two groups of bearings, side of the front support disk away from the first support set connects
The first sealing platen is connected to, the rear support disk is connected to workpiece spindle casing, and workpiece spindle casing, which is dug, air admission hole, and air admission hole is located at
Between second support set and stator, air admission hole is connected with airtight blocking.
The cutter shafting includes stator, rotor and cutter shaft, and the rotor is connected to cutter shaft, and stator is connected to cutter
Axle box, the both ends of rotor are connected to bearing group and contiguous block, bearing, contiguous block are connected between contiguous block and cutter shaft
Digging has oil circuit, and one end of oil circuit is communicated in bearing, and the other end of oil circuit is communicated in oil inlet, and oil inlet is connected with oil seal plug,
For bearing group by oil communication in oil inlet, oil inlet is connected with oil seal plug.
Further, second support set is provided with two, and two the second support sets are respectively arranged on the both ends of rotor.
Further, the second support set close to the rear support disk is connected with Circular gratings.
Further, the end ring, which is dug, oil circuit, and oil communication is in the bearing of end ring both sides.
Further, connected between the rear support disk and workpiece spindle by bearing.
Further, the one end of the contiguous block away from stator is connected with protective cover, and protective cover is connected with encoder.
Further, the described one end of cutter axle box away from bearing group is connected with dust cover, the protective cover, contiguous block
With encoder in dust cover.
Further, the described one end of front support disk away from contiguous block is connected with the first seal disc.
Further, the cutter shaft is connected with the second sealing platen close to one end of bearing group, the second sealing platen with
Be provided with gas-tight ring between bearing group, gas-tight ring, which is dug, gas circuit, wherein one end of gas circuit be communicated in gas-tight ring and the second seal disc it
Between, the other end of gas-tight ring is communicated in air inlet, and air inlet is connected with airtight blocking.
Relative to prior art, a kind of high accuracy cutting shafting of the present invention has the advantage that：
A kind of high accuracy cutting shafting of the present invention, by changing original kind of drive, and feedback regulation reality
Existing closed-loop control, so that the precision of machine cut shafting greatly improves, while also uses hermetic seal, reduce hair during cutting
Heat.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of workpiece shafting in the present invention；
Fig. 2 is the structural representation of cutter shafting in the present invention.
Description of reference numerals：
1- rear support disks；2- end rings；The support sets of 3- first；4- workpiece spindles；5- front support disks；The sealing pressures of 6- first
Disk；7- air admission holes；The support sets of 8- second；9- cutter shafts；10- dust covers；11- gas-tight rings；12- protective covers；13- stators；14- connects
Connect block；16- second seals platen；17- rotors；The airtight blockings of 18-；19- oil seal plugs；20- encoders；21- workpiece spindle casings；
22- Circular gratings；23- cutter axle boxes；24- bearing groups.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Fig. 1~2, a kind of high accuracy cutting shafting, including：Workpiece shafting and cutter shafting, workpiece shafting and knife
Tool shafting is connected to the both ends of lathe.
The workpiece shafting includes stator 13, rotor 17 and workpiece spindle 4, and the rotor 17 is connected by the second support set 8
In workpiece spindle 4, stator 13 is connected to workpiece spindle casing 21, and the both ends of the workpiece spindle 4 are connected to front support disk 5 and rear branch
Support plate 1, is provided with the first support set 3 between the front support disk 5 and rotor 17, the first support set 3 is connected by screw in workpiece
Axle box 21, two groups of bearings are provided between the first support set 3 and workpiece spindle 4, end ring 2, preceding branch are provided between two groups of bearings
Side of the support plate 5 away from the first support set 3 is connected with the first sealing platen 6, and the rear support disk 1 is connected to workpiece spindle casing
21, the body of workpiece axle box 21, which is dug, air admission hole 7, and air admission hole 7 is located between the second support set 8 and stator 13, and air admission hole 7 is connected with gas
Sealing-plug 18.
The cutter shafting includes stator 13, rotor 17 and cutter shaft 9, and the rotor 17 is connected to cutter shaft 9, stator 13
Cutter axle box 23 is connected to, the both ends of rotor 17 are connected to bearing group 24 and contiguous block 14, contiguous block 14 and cutter shaft 9
Between be connected with bearing, contiguous block 14, which is dug, oil circuit, and one end of oil circuit is communicated in bearing, and the other end of oil circuit is communicated in oil-feed
Mouthful, oil inlet is connected with oil seal plug 19, and for bearing group 24 by oil communication in oil inlet, oil inlet is connected with oil seal plug
19。
Second support set 8 is provided with two, and two the second support sets 8 are respectively arranged on the both ends of rotor 17.
The second support set 8 close to the rear support disk 1 is connected with Circular gratings 22.
The end ring 2, which is dug, oil circuit, and oil communication is in the bearing of the both sides of end ring 2.
Connected between the rear support disk 1 and workpiece spindle 4 by bearing.
The described one end of contiguous block 14 away from stator 13 is connected with protective cover 12, and protective cover 12 is connected with encoder 20.
The described one end of cutter axle box 23 away from bearing group 24 is connected with dust cover 10, the protective cover 12, contiguous block
14 and encoder 20 in the dust cover 10.
The described one end of front support disk 5 away from contiguous block 14 is connected with the first seal disc 6.
The cutter shaft 9 is connected with the second sealing platen 16, the second sealing platen 16 and axle close to one end of bearing group 24
Hold and be provided with gas-tight ring 11 between group 24, the digging of gas-tight ring 11 has a gas circuit, and it is close that wherein one end of gas circuit is communicated in gas-tight ring 11 and second
Between closing disk 16, the other end of gas-tight ring 11 is communicated in air inlet, and air inlet is connected with airtight blocking 18.
The device operation principle, in use, two rotors 17 drive workpiece spindle 4 and cutter shaft 9 to rotate respectively, cutting it is same
When encoder 20 rotation error of cutter shaft 9 is detected, Circular gratings 22 detect to the rotation error of workpiece spindle 4, and
Error is fed back, facilitates timely corrected parameter, passes through hermetic seal so that reduces cutting heating, extend shafting uses the longevity
Life.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
- A kind of 1. high accuracy cutting shafting, it is characterised in that：Including：Workpiece shafting and cutter shafting, workpiece shafting and cutter shaft System is connected to the both ends of lathe；The workpiece shafting includes stator (13), rotor (17) and workpiece spindle (4), and the rotor (17) passes through the second support set (8) workpiece spindle (4) is connected to, stator (13) is connected to workpiece spindle casing (21), and the both ends of the workpiece spindle (4) are connected to Front support disk (5) and rear support disk (1), are provided with the first support set (3) between the front support disk (5) and rotor (17), and first Support set (3), which is connected by screw between workpiece spindle casing (21), the first support set (3) and workpiece spindle (4), is provided with two groups of axles Hold, end ring (2) is provided between two groups of bearings, it is close that side of the front support disk (5) away from the first support set (3) is connected with first Platen (6) is sealed, the rear support disk (1) is connected to workpiece spindle casing (21), and workpiece axle box (21) body, which is dug, air admission hole (7), enters Stomata (7) is located between the second support set (8) and stator (13), and air admission hole (7) is connected with airtight blocking (18)；The cutter shafting includes stator (13), rotor (17) and cutter shaft (9), and the rotor (17) is connected to cutter shaft (9), Stator (13) is connected to cutter axle box (23), and the both ends of rotor (17) are connected to bearing group (24) and contiguous block (14), Bearing is connected between contiguous block (14) and cutter shaft (9), contiguous block (14), which is dug, oil circuit, and one end of oil circuit is communicated in bearing, The other end of oil circuit is communicated in oil inlet, and oil inlet is connected with oil seal plug (19), and bearing group (24) is by oil communication in entering Hydraulic fluid port, oil inlet are connected with oil seal plug (19).
- A kind of 2. high accuracy cutting shafting according to claim 1, it is characterised in that：Second support set (8) is provided with Two, two the second support sets (8) are respectively arranged on the both ends of rotor (17).
- A kind of 3. high accuracy cutting shafting according to claim 2, it is characterised in that：Close to the rear support disk (1) Second support set (8) is connected with Circular gratings (22).
- A kind of 4. high accuracy cutting shafting according to claim 1, it is characterised in that：The end ring (2), which is dug, oil Road, oil communication is in the bearing of end ring (2) both sides.
- A kind of 5. high accuracy cutting shafting according to claim 3, it is characterised in that：The rear support disk (1) and workpiece Axle is connected between (4) by bearing.
- A kind of 6. high accuracy cutting shafting according to claim 1, it is characterised in that：The contiguous block (14) is away from stator (13) one end is connected with protective cover (12), and protective cover (12) is connected with encoder (20).
- A kind of 7. high accuracy cutting shafting according to claim 6, it is characterised in that：The cutter axle box (23) is remote One end of bearing group (24) is connected with dust cover (10), and the protective cover (12), contiguous block (14) and encoder (20) are located at In dust cover (10).
- A kind of 8. high accuracy cutting shafting according to claim 1, it is characterised in that：The front support disk (5) is away from even The one end for connecing block (14) is connected with the first seal disc (6).
- A kind of 9. high accuracy cutting shafting according to claim 8, it is characterised in that：The cutter shaft (9) is close to bearing One end of group (24) is connected with the second sealing platen (16), and gas-tight ring is provided between the second sealing platen (16) and bearing group (24) (11), gas-tight ring (11), which is dug, gas circuit, and wherein one end of gas circuit is communicated between gas-tight ring (11) and the second seal disc (16), gas The other end of close ring (11) is communicated in air inlet, and air inlet is connected with airtight blocking (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370038.8A CN107838442B (en) | 2017-12-18 | 2017-12-18 | High-precision cutting shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370038.8A CN107838442B (en) | 2017-12-18 | 2017-12-18 | High-precision cutting shafting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107838442A true CN107838442A (en) | 2018-03-27 |
| CN107838442B CN107838442B (en) | 2023-10-20 |
Family
ID=61664306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711370038.8A Active CN107838442B (en) | 2017-12-18 | 2017-12-18 | High-precision cutting shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107838442B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0256524U (en) * | 1988-10-20 | 1990-04-24 | ||
| TW491743B (en) * | 2001-09-28 | 2002-06-21 | Ind Tech Res Inst | Internal active compensation method and device for axial swinging of rotatory shaft tool |
| JP2009297811A (en) * | 2008-06-11 | 2009-12-24 | Jtekt Corp | Main spindle device of machine tool |
| EP2559506A2 (en) * | 2011-08-15 | 2013-02-20 | Leistritz Produktionstechnik Gmbh | Machining device, in particular whirling unit |
| DE102013104923B3 (en) * | 2013-05-14 | 2014-09-11 | Hochschule Furtwangen | Device for vibration-assisted workpiece machining |
| CN203917945U (en) * | 2014-04-16 | 2014-11-05 | 张家港乙腾机械有限公司 | A kind of direct-drive type zero transmission gear-hobbing machine tool spindle device |
| CN207952647U (en) * | 2017-12-18 | 2018-10-12 | 天津精诚机床股份有限公司 | A kind of high-precision cutting shafting |
-
2017
- 2017-12-18 CN CN201711370038.8A patent/CN107838442B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0256524U (en) * | 1988-10-20 | 1990-04-24 | ||
| TW491743B (en) * | 2001-09-28 | 2002-06-21 | Ind Tech Res Inst | Internal active compensation method and device for axial swinging of rotatory shaft tool |
| JP2009297811A (en) * | 2008-06-11 | 2009-12-24 | Jtekt Corp | Main spindle device of machine tool |
| EP2559506A2 (en) * | 2011-08-15 | 2013-02-20 | Leistritz Produktionstechnik Gmbh | Machining device, in particular whirling unit |
| DE102013104923B3 (en) * | 2013-05-14 | 2014-09-11 | Hochschule Furtwangen | Device for vibration-assisted workpiece machining |
| CN203917945U (en) * | 2014-04-16 | 2014-11-05 | 张家港乙腾机械有限公司 | A kind of direct-drive type zero transmission gear-hobbing machine tool spindle device |
| CN207952647U (en) * | 2017-12-18 | 2018-10-12 | 天津精诚机床股份有限公司 | A kind of high-precision cutting shafting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107838442B (en) | 2023-10-20 |
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