CN107838442B - High-precision cutting shafting - Google Patents
High-precision cutting shafting Download PDFInfo
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- CN107838442B CN107838442B CN201711370038.8A CN201711370038A CN107838442B CN 107838442 B CN107838442 B CN 107838442B CN 201711370038 A CN201711370038 A CN 201711370038A CN 107838442 B CN107838442 B CN 107838442B
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- shaft
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- bearing
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- 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 high-precision cutting shafting, which is characterized in that a rotor is connected with a workpiece shaft through a second support sleeve, a stator is connected with the workpiece shaft box, a first support sleeve is arranged between a front support disc and the rotor, the first support sleeve is connected with the workpiece shaft box through screws, two groups of bearings are arranged between the first support sleeve and the workpiece shaft, one side, far away from the first support sleeve, of the front support disc is connected with a first sealing pressure disc, an air inlet is arranged between the support sleeve and the stator, two ends of the rotor are respectively connected with a bearing group and a connecting block, a bearing is connected between the connecting block and a cutter shaft, the bearing groups are communicated with an oil inlet through an oil way, and the oil inlet is connected with an oil sealing plug. According to the high-precision cutting shafting, the original transmission mode is changed, and the feedback adjustment is adopted to realize closed-loop control, so that the precision of the machine tool cutting shafting is greatly improved, and meanwhile, the air seal is adopted, so that the heating during cutting is reduced.
Description
Technical Field
The invention belongs to the field of mechanical design, and particularly relates to a high-precision cutting shafting.
Background
The machine tool is very important equipment in machining, the quality of the machine tool depends on the machining precision of the machine tool, most of the current cutting shafting adopts belt transmission, and errors are easily generated in machining due to vibration during transmission.
Disclosure of Invention
In view of the above, the present invention aims to provide a high-precision cutting shafting, change the transmission mode, and increase feedback adjustment, so that the precision of the machine tool is greatly improved.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a high precision cutting shafting comprising: the workpiece shafting and the cutter shafting are respectively connected to two ends of the machine tool.
The workpiece shaft system comprises a stator, a rotor and a workpiece shaft, wherein the rotor is connected to the workpiece shaft through a second supporting sleeve, the stator is connected to the workpiece shaft box, two ends of the workpiece shaft are respectively connected with a front supporting disc and a rear supporting disc, a first supporting sleeve is arranged between the front supporting disc and the rotor and connected to the workpiece shaft box through screws, two groups of bearings are arranged between the first supporting sleeve and the workpiece shaft, a bearing retainer ring is arranged between the two groups of bearings, one side, far away from the first supporting sleeve, of the front supporting disc is connected with a first sealing pressure disc, the rear supporting disc is connected to the workpiece shaft box, an air inlet hole is dug in the workpiece shaft box, the air inlet hole is arranged between the second supporting sleeve and the stator, and the air inlet hole is connected with an air sealing plug.
The cutter shafting comprises a stator, a rotor and a cutter shaft, wherein the rotor is connected with the cutter shaft, the stator is connected with the cutter shaft box, two ends of the rotor are respectively connected with a bearing group and a connecting block, a bearing is connected between the connecting block and the cutter shaft, an oil way is dug in the connecting block, one end of the oil way is communicated with the bearing, the other end of the oil way is communicated with an oil inlet, the oil inlet is connected with an oil sealing plug, the bearing groups are communicated with the oil inlet through the oil way, and the oil inlet is connected with the oil sealing plug.
Further, two second support sleeves are arranged, and the two second support sleeves are respectively arranged at two ends of the rotor.
Further, a second support sleeve close to the rear support plate is connected with a circular grating.
Furthermore, the bearing retainer ring is dug with an oil circuit, and the oil circuit is communicated with bearings at two sides of the bearing retainer ring.
Further, the rear supporting disc is connected with the workpiece shaft through a bearing.
Further, one end of the connecting block, which is far away from the stator, is connected with a protecting cover, and the protecting cover is connected with an encoder.
Further, one end of the cutter axle box body, which is far away from the bearing group, is connected with a dust cover, and the protection cover, the connection block and the encoder are all arranged in the dust cover.
Further, one end of the front supporting disc, which is far away from the connecting block, is connected with a first sealing disc.
Further, one end of the cutter shaft, which is close to the bearing group, is connected with a second sealing pressure plate, an airtight ring is arranged between the second sealing pressure plate and the bearing group, an air passage is dug in the airtight ring, one end of the air passage is communicated between the airtight ring and the second sealing plate, the other end of the airtight ring is communicated with an air inlet, and the air inlet is connected with an air sealing plug.
Compared with the prior art, the high-precision cutting shafting has the following advantages:
according to the high-precision cutting shafting, the original transmission mode is changed, and the feedback adjustment is adopted to realize closed-loop control, so that the precision of the machine tool cutting shafting is greatly improved, and meanwhile, the air seal is adopted, so that the heating during cutting is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a shaft system of a work piece according to the present invention;
fig. 2 is a schematic structural view of a cutter shaft system in the present invention.
Reference numerals illustrate:
1-a rear support plate; 2-a bearing retainer ring; 3-a first support sleeve; 4-a workpiece shaft; 5-a front support plate; 6-a first sealing platen; 7-an air inlet hole; 8-a second support sleeve; 9-a cutter shaft; 10-a dust cover; 11-an airtight ring; 12-protecting cover; 13-a stator; 14-connecting blocks; 16-a second sealing platen; 17-rotor; 18-an air sealing plug; 19-an oil sealing plug; a 20-encoder; 21-a workpiece axle box body; 22-circular grating; 23-cutter shaft box body; 24-bearing set.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 2, a high precision cutting shaft system includes: the workpiece shafting and the cutter shafting are respectively connected to two ends of the machine tool.
The workpiece shaft system comprises a stator 13, a rotor 17 and a workpiece shaft 4, the rotor 17 is connected to the workpiece shaft 4 through a second supporting sleeve 8, the stator 13 is connected to a workpiece shaft box 21, two ends of the workpiece shaft 4 are respectively connected with a front supporting disc 5 and a rear supporting disc 1, a first supporting sleeve 3 is arranged between the front supporting disc 5 and the rotor 17, the first supporting sleeve 3 is connected to the workpiece shaft box 21 through screws, two groups of bearings are arranged between the first supporting sleeve 3 and the workpiece shaft 4, a bearing retainer ring 2 is arranged between the two groups of bearings, one side, far away from the first supporting sleeve 3, of the front supporting disc 5 is connected with a first sealing pressure disc 6, the rear supporting disc 1 is connected to the workpiece shaft box 21, an air inlet 7 is dug in the workpiece shaft box 21, the air inlet 7 is arranged between the second supporting sleeve 8 and the stator 13, and the air inlet 7 is connected with an airtight plug 18.
The cutter shaft system comprises a stator 13, a rotor 17 and a cutter shaft 9, the rotor 17 is connected with the cutter shaft 9, the stator 13 is connected with a cutter shaft box 23, two ends of the rotor 17 are respectively connected with a bearing group 24 and a connecting block 14, a bearing is connected between the connecting block 14 and the cutter shaft 9, an oil way is dug in the connecting block 14, one end of the oil way is communicated with the bearing, the other end of the oil way is communicated with an oil inlet, the oil inlet is connected with an oil seal plug 19, the bearing group 24 is communicated with the oil inlet through the oil way, and the oil inlet is connected with the oil seal plug 19.
The number of the second supporting sleeves 8 is two, and the two second supporting sleeves 8 are respectively arranged at two ends of the rotor 17.
A circular grating 22 is connected to the second support sleeve 8 adjacent to the rear support plate 1.
The bearing retainer ring 2 is provided with an oil path which is communicated with bearings on two sides of the bearing retainer ring 2.
The rear support disc 1 is connected with the workpiece shaft 4 through a bearing.
The end of connecting block 14 that keeps away from stator 13 is connected with safety cover 12, and safety cover 12 is connected with encoder 20.
The end of the cutter shaft box 23, which is far away from the bearing set 24, is connected with a dust cover 10, and the protection cover 12, the connection block 14 and the encoder 20 are all arranged in the dust cover 10.
The end of the front support disc 5, which is far away from the connecting block 14, is connected with a first sealing disc 6.
The cutter shaft 9 is connected with a second sealing pressure plate 16 near one end of the bearing set 24, an airtight ring 11 is arranged between the second sealing pressure plate 16 and the bearing set 24, an air passage is dug in the airtight ring 11, one end of the air passage is communicated between the airtight ring 11 and the second sealing plate 16, the other end of the airtight ring 11 is communicated with an air inlet, and the air inlet is connected with an airtight plug 18.
The device theory of operation, during the use, two rotors 17 drive work piece axle 4 and cutter axle 9 rotation respectively, and encoder 20 detects the rotation error of cutter axle 9 when cutting, and circular grating 22 detects the rotation error of work piece axle 4 to with the error feedback, convenient in time revise the parameter, through airtight, make the reduction cutting generate heat, extension shafting life.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. A high-precision cutting shafting is characterized in that: comprising the following steps: the workpiece shafting and the cutter shafting are respectively connected to two ends of the machine tool;
the workpiece shaft system comprises a stator (13), a rotor (17) and a workpiece shaft (4), wherein the rotor (17) is connected to the workpiece shaft (4) through a second supporting sleeve (8), the stator (13) is connected to a workpiece shaft box (21), two ends of the workpiece shaft (4) are respectively connected with a front supporting disc (5) and a rear supporting disc (1), a first supporting sleeve (3) is arranged between the front supporting disc (5) and the rotor (17), the first supporting sleeve (3) is connected to the workpiece shaft box (21) through screws, two groups of bearings are arranged between the first supporting sleeve (3) and the workpiece shaft (4), a bearing retainer ring (2) is arranged between the two groups of bearings, one side, far away from the first supporting sleeve (3), of the front supporting disc (5) is connected with a first sealing pressure disc (6), the rear supporting disc (1) is connected to the workpiece shaft box (21), an air inlet hole (7) is dug in the workpiece shaft box (21), and the air inlet hole (7) is arranged between the second supporting sleeve (8) and the stator (13), and the air inlet hole (7) is connected with an airtight plug (18).
The cutter shaft system comprises a stator (13), a rotor (17) and a cutter shaft (9), wherein the rotor (17) is connected to the cutter shaft (9), the stator (13) is connected to a cutter shaft box (23), two ends of the rotor (17) are respectively connected with a bearing group (24) and a connecting block (14), a bearing is connected between the connecting block (14) and the cutter shaft (9), an oil way is dug in the connecting block (14), one end of the oil way is communicated with the bearing, the other end of the oil way is communicated with an oil inlet, the oil inlet is connected with an oil seal plug (19), the bearing group (24) is communicated with the oil inlet through the oil way, and the oil inlet is connected with the oil seal plug (19); two second support sleeves (8) are arranged, and the two second support sleeves (8) are respectively arranged at two ends of the rotor (17); the bearing retainer ring (2) is provided with an oil path in a digging mode, and the oil path is communicated with bearings on two sides of the bearing retainer ring (2).
2. A high precision cutting shaft as defined in claim 1, wherein: a second supporting sleeve (8) close to the rear supporting disc (1) is connected with a circular grating (22).
3. A high precision cutting shaft as defined in claim 2, wherein: the rear supporting disc (1) is connected with the workpiece shaft (4) through a bearing.
4. A high precision cutting shaft as defined in claim 1, wherein: one end of the connecting block (14) far away from the stator (13) is connected with a protecting cover (12), and the protecting cover (12) is connected with an encoder (20).
5. The high precision cutting shaft system of claim 4, wherein: one end of the cutter axle box body (23) far away from the bearing group (24) is connected with a dust cover (10), and the protection cover (12), the connecting block (14) and the encoder (20) are all arranged in the dust cover (10).
6. A high precision cutting shaft as defined in claim 1, wherein: one end of the front support disc (5) far away from the connecting block (14) is connected with a first sealing pressure disc (6).
7. The high precision cutting shaft system of claim 6, wherein: one end of the cutter shaft (9) close to the bearing group (24) is connected with a second sealing pressure plate (16), an airtight ring (11) is arranged between the second sealing pressure plate (16) and the bearing group (24), an air passage is dug in the airtight ring (11), one end of the air passage is communicated between the airtight ring (11) and the second sealing pressure plate (16), the other end of the airtight ring (11) is communicated with an air inlet, and the air inlet is connected with an airtight plug (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 CN107838442A (en) | 2018-03-27 |
| CN107838442B true CN107838442B (en) | 2023-10-20 |
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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 |
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| Country | Link |
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| CN (1) | CN107838442B (en) |
Citations (6)
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (6)
| 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 |
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| Publication number | Publication date |
|---|---|
| CN107838442A (en) | 2018-03-27 |
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