CN109079422B - Numerical control rolling device for shaft workpiece - Google Patents
Numerical control rolling device for shaft workpiece Download PDFInfo
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- CN109079422B CN109079422B CN201811122892.7A CN201811122892A CN109079422B CN 109079422 B CN109079422 B CN 109079422B CN 201811122892 A CN201811122892 A CN 201811122892A CN 109079422 B CN109079422 B CN 109079422B
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- servo motor
- rolling
- numerical control
- workpiece
- screw pair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
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- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention aims to provide a numerical control rolling device for shaft workpieces, which comprises a first servo motor, a belt, a chuck, a rolling assembly, an axial screw pair, a second servo motor, a tailstock, a frame and an axial guide rail, wherein the rolling assembly comprises a supporting plate, third and fourth servo motors, a tool rest, a strain gauge, first and second radial guide rails, a rolling head and first and second radial screw pairs, the rotation of each servo motor is controlled through a numerical control system, and acting force between the rolling head and the workpiece is monitored through the strain gauge, so that the automatic rolling process of the surface of the shaft workpiece is realized. The numerical control rolling device for the shaft workpieces has the advantages of being high in automation degree, reliable in working performance, high in production efficiency and the like.
Description
Technical Field
The invention belongs to the field of mechanical manufacturing process equipment, and relates to a numerical control rolling device for shaft workpieces.
Background
At present, the revolving body type workpiece has wider application, and in the working process, the workpiece is often subjected to cyclic and alternating load, and is easy to generate fatigue failure phenomenon, so that the surface of the workpiece is required to be reinforced, the rolling reinforcing technology is widely applied as an effective surface rolling reinforcing means, and parts with excellent performance can be obtained. The existing rolling device is low in universal automation level and cannot meet the increasing production demands. The invention designs a numerical control rolling device for shaft workpieces, which has the advantages of high automation degree, reliable working performance, high production efficiency and the like.
Disclosure of Invention
The invention aims to provide a numerical control rolling device for shaft workpieces, which realizes the numerical control rolling strengthening process of the surfaces of the shaft workpieces and improves the production efficiency.
In order to achieve the above effects, the present invention adopts the following technical scheme: the numerical control rolling device for the shaft workpieces is characterized by comprising a first servo motor, a belt, a chuck, a rolling assembly, an axial screw pair, a second servo motor, a tailstock, a frame and an axial guide rail, wherein the first servo motor and the chuck are fixed on the frame and are connected through the belt, the workpieces are arranged on the chuck, the axial guide rail is arranged on the frame, the rolling assembly and the tailstock are arranged on the frame through the axial guide rail, and the second servo motor is arranged on the frame and is connected with the rolling assembly through the axial screw pair; the rolling assembly comprises a servo motor III, a tool rest I, a strain gauge I, a rolling head II, a tool rest II, a servo motor IV, a radial lead screw pair II, a radial lead rail II, a supporting plate, a radial lead screw pair I and a radial lead rail I, wherein the servo motor III and the servo motor IV are arranged on the supporting plate, the servo motor III is connected with the tool rest I through the radial lead screw pair I, the servo motor IV is connected with the tool rest II through the radial lead screw pair II, the radial lead rail I and the radial lead rail II are arranged on the supporting plate, the tool rest II is arranged on the supporting plate through the radial lead rail II, the rolling head I is arranged on the tool rest I through threaded fit, the rolling head II is arranged on the tool rest II through threaded fit, the rolling head I is stuck with the strain gauge I, and the rolling head II is stuck with the strain gauge II.
Further, the rotation of the first servo motor is controlled through a numerical control system, the rotation of the chuck is controlled through the belt, the rotation of the second servo motor is controlled through the numerical control system, the rolling assembly is controlled to axially move along a workpiece through the axial screw pair, the rotation of the third servo motor is controlled through the numerical control system, the rolling head is controlled to radially move along the workpiece through the radial screw pair, the rotation of the fourth servo motor is controlled through the numerical control system, and the rolling head is controlled to radially move along the workpiece through the radial screw pair.
Further, when the rolling head I and the rolling head II are in contact with the workpiece, the strain gauge I and the strain gauge II monitor acting forces between the rolling head I and the rolling head II and the workpiece and feed back the acting forces to a numerical control system, the numerical values of the acting forces are set in the numerical control system, when the acting forces fed back by the strain gauge I and the strain gauge II are smaller than a set value, the servo motor I and the servo motor II continuously rotate, so that the rolling head I and the rolling head II continuously extrude the workpiece, and when the acting forces are equal to the set values, the servo motor III and the servo motor IV stop rotating.
Further, after the acting force measured by the first strain gauge and the second strain gauge is equal to the acting force set by the numerical control system, the second servo motor starts to rotate to drive the rolling assembly to axially move along the workpiece.
Drawings
FIG. 1 is a three-dimensional view of the present invention.
FIG. 2 is a second three-dimensional view of the present invention.
FIG. 3 is a three-dimensional view of a rolling assembly according to the present invention.
FIG. 4 is a second three-dimensional view of the rolling assembly of the present invention.
Wherein: 1 servo motor one, 2 belt. The device comprises a chuck 3, a workpiece 4, a rolling assembly 5, an axial lead screw pair 6, a servo motor 7, a tailstock 8, a frame 9, an axial guide rail 10, a servo motor 501, a tool rest 502, a strain gauge 503, a rolling head 504, a strain gauge 505, a rolling head 506, a tool rest 507, a servo motor 508, a radial lead screw pair 509, a radial guide rail 510, a supporting plate 511, a radial lead screw pair 512 and a radial guide rail 513.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, a surface rolling device for shaft workpieces comprises a first servo motor, a 2 belt, a 3 chuck, a 5 rolling assembly, a 6 axial lead screw pair, a second servo motor, an 8 tail seat, a 9 frame and a 10 axial guide rail, wherein the first servo motor and the 3 chuck are fixed on the 9 frame and are connected through the 2 belt, the 4 workpiece is mounted on the 3 chuck, the 10 axial guide rail is mounted on the 9 frame, the 5 rolling assembly and the 8 tail seat are mounted on the 9 frame through the 10 axial guide rail, the second servo motor is mounted on the 9 frame and are connected with the 5 rolling assembly through the 6 axial lead screw pair; the 5 rolling assembly comprises a third servo motor, a first 502 tool rest, a first 503 strain gauge, a first 504 rolling head, a second 505 strain gauge, a second 506 rolling head, a second 507 tool rest, a fourth 508 servo motor, a second 509 radial lead screw pair, a second 510 radial lead rail, a 511 support plate, a first 512 radial lead screw pair, a first 513 radial lead rail, a third 501 servo motor and a fourth 508 servo motor are arranged on the 511 support plate, the third 501 servo motor is connected with the first 502 tool rest through the first 512 radial lead screw pair, the fourth 508 servo motor is connected with the second 507 tool rest through the second 509 radial lead screw pair, the first 513 radial lead rail and the second 510 radial lead rail are arranged on the 511 support plate, the first 502 tool rest is arranged on the 511 support plate through the first 513 radial lead rail, the second 507 tool rest is arranged on the first 502 tool rest through threaded fit, the second 506 rolling head is arranged on the second 507 tool rest through threaded fit, the first 503 strain gauge is adhered on the first 507 rolling head, and the second 505 strain gauge is adhered on the second 506 rolling head.
The rotation of a servo motor I is controlled by a numerical control system, and then a workpiece 4 is driven to rotate by a belt 2 and a chuck 3; the rotation of the servo motor II is controlled by the numerical control system, the rolling assembly 5 is controlled to axially move along the workpiece 4 by the axial lead screw pair 6, the servo motor III is controlled 501 by the numerical control system, the rolling head I is controlled 504 to radially move along the workpiece 4 by the radial lead screw pair 512, the servo motor IV is controlled 508 by the numerical control system, and the rolling head II is controlled 506 to radially move along the workpiece by the radial lead screw pair 509.
When the rolling heads I and 506 contact with the 4 workpieces, the rolling heads I and 506 and the rolling heads 505 monitor the acting force between the rolling heads I and 506 and the 4 workpieces and feed back to the numerical control system, the numerical value of the acting force is set in the numerical control system, when the acting force fed back by the rolling heads I and 505 is smaller than a set value, the servo motors III and 508 rotate continuously, so that the rolling heads I and 506 extrude the 4 workpieces continuously, and when the acting force is equal to the set value, the servo motors III and 508 stop rotating.
When the surface of the 4 workpieces needs to be rolled once with a 500N acting force, the 4 workpieces are clamped on a 3 chuck, then a working coordinate system is established in a numerical control system, starting and ending coordinates of a 5 rolling assembly are determined according to the parts, needing to be rolled, of the 4 workpieces, and the starting and ending coordinates are input into the numerical control system, and meanwhile the acting force 500N and the rotating speed of a 1 servo motor are input. During rolling, the third servo motor 501 and the fourth servo motor 508 start to rotate positively, and the first rolling head 504 and the second rolling head 506 approach and contact 4 workpieces; meanwhile, the first strain gauge 503 and the second strain gauge 505 output the acting force between the rolling heads I and 506 and the workpiece 4, and when the acting force is smaller than 500N set by a numerical control system, the third servo motor 501 and the third servo motor 508 continuously rotate; when the acting force reaches 500N, the third servo motor 501 and the fourth servo motor 508 stop rotating, and meanwhile the first servo motor 1 rotates to drive the 4 workpieces to rotate, and the second servo motor 7 rotates positively to drive the 5 rolling assemblies to axially move along the 4 workpieces; after rolling is finished, the servo motor III and the servo motor 508 are reversed, the rolling heads I and 506 leave the workpiece 4, the servo motor II is reversed to drive the rolling assembly 5 to return to the original point, and rolling is finished.
The foregoing is merely an example of the present invention and is not intended to limit the scope of the present invention, and those skilled in the art should not be able to make any changes or substitutions within the scope of the present invention.
Claims (1)
1. The numerical control rolling device for the shaft workpieces is characterized by comprising a first servo motor, a belt, a chuck, a rolling assembly, an axial screw pair, a second servo motor, a tailstock, a frame and an axial guide rail, wherein the first servo motor and the chuck are fixed on the frame and are connected through the belt, the workpieces are arranged on the chuck, the axial guide rail is arranged on the frame, the rolling assembly and the tailstock are arranged on the frame through the axial guide rail, and the second servo motor is arranged on the frame and is connected with the rolling assembly through the axial screw pair; the rolling assembly comprises a servo motor III, a tool rest I, a strain gauge I, a rolling head I, a strain gauge II, a rolling head II, a tool rest II, a servo motor IV, a radial lead screw pair II, a radial guide rail II, a supporting plate, a radial lead screw pair I and a radial guide rail I, wherein the servo motor III and the servo motor IV are arranged on the supporting plate, the servo motor III is connected with the tool rest I through the radial lead screw pair I, the servo motor IV is connected with the tool rest II through the radial lead screw pair II, the radial guide rail I and the radial guide rail II are arranged on the supporting plate, the tool rest II is arranged on the supporting plate through the radial guide rail II, the rolling head I is arranged on the tool rest I through threaded fit, the rolling head II is arranged on the tool rest II through threaded fit, a strain gauge I is adhered on the rolling head I, and a strain gauge II is adhered on the rolling head II; the numerical control rolling device for the shaft workpiece is characterized in that the rotation of the first servo motor is controlled through a numerical control system, the rotation of the chuck is controlled through the belt, the rotation of the second servo motor is controlled through the numerical control system, the rolling assembly is controlled to axially move along the workpiece through the axial screw pair, the rotation of the third servo motor is controlled through the numerical control system, the rolling head is controlled to radially move along the workpiece through the first radial screw pair, the rotation of the fourth servo motor is controlled through the numerical control system, and the rolling head is controlled to radially move along the workpiece through the second radial screw pair; the numerical control rolling device for the shaft workpiece monitors acting force between the rolling head I and the rolling head II and the workpiece when the rolling head I and the rolling head II are in contact with the workpiece, feeds back the acting force to a numerical control system, sets the value of the acting force in the numerical control system, when the acting force fed back by the strain gauge I and the strain gauge II is smaller than a set value, the servo motor I and the servo motor II continuously rotate to enable the rolling head I and the rolling head II to continuously squeeze the workpiece, and when the acting force is equal to the set value, the servo motor III and the servo motor IV stop rotating; after the acting force measured by the strain gauge I and the strain gauge II is equal to the acting force set by the numerical control system, the servo motor II starts to rotate to drive the rolling assembly to axially move along the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811122892.7A CN109079422B (en) | 2018-09-26 | 2018-09-26 | Numerical control rolling device for shaft workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811122892.7A CN109079422B (en) | 2018-09-26 | 2018-09-26 | Numerical control rolling device for shaft workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN109079422A CN109079422A (en) | 2018-12-25 |
| CN109079422B true CN109079422B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811122892.7A Active CN109079422B (en) | 2018-09-26 | 2018-09-26 | Numerical control rolling device for shaft workpiece |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098086A (en) * | 2019-12-31 | 2020-05-05 | 太原重工轨道交通设备有限公司 | Shaft part surface strengthening method and strengthening effect detection method |
| CN111571118B (en) * | 2020-05-25 | 2021-08-10 | 徐玉芝 | Knurling mechanism for machining rotary surface workpiece |
| CN112877521B (en) * | 2021-01-14 | 2022-05-27 | 上海交通大学 | Surface strengthening device and method for applying elastic stress field to metal workpiece and assisting ultrasonic rolling |
| CN112899454B (en) * | 2021-01-14 | 2022-03-18 | 上海交通大学 | Surface strengthening device and method for applying elastic stress field to metal workpiece and assisting ultrasonic rolling |
| CN113146144B (en) * | 2021-04-22 | 2022-12-06 | 山东博通铝业科技股份有限公司 | Aluminum pipe surface knurling system and processing method |
| CN113275833A (en) * | 2021-06-01 | 2021-08-20 | 莱芜环球汽车零部件有限公司 | Crankshaft fillet rolling machine |
| CN114178777B (en) * | 2021-12-14 | 2023-03-28 | 大连理工大学 | Bolt rolling strengthening equipment and tool setting method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722343A (en) * | 2014-01-24 | 2014-04-16 | 宁波市精恒凯翔机械有限公司 | Three-point outer circle rolling cutter |
| WO2015135084A1 (en) * | 2014-03-11 | 2015-09-17 | Unipart Ag | Device and method for producing a functional shaft |
| CN107097040A (en) * | 2017-06-23 | 2017-08-29 | 安徽工业大学 | A kind of Axle Surface rolling device |
| CN206689676U (en) * | 2017-04-11 | 2017-12-01 | 济南大学 | A kind of lathe workpiece surface rolling device |
| WO2018103030A1 (en) * | 2016-12-07 | 2018-06-14 | 无锡职业技术学院 | Tri-axial ball bearing extrusion jig |
| CN108393650A (en) * | 2018-05-10 | 2018-08-14 | 济南大学 | A kind of rotary type workpiece surface rolling device |
-
2018
- 2018-09-26 CN CN201811122892.7A patent/CN109079422B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722343A (en) * | 2014-01-24 | 2014-04-16 | 宁波市精恒凯翔机械有限公司 | Three-point outer circle rolling cutter |
| WO2015135084A1 (en) * | 2014-03-11 | 2015-09-17 | Unipart Ag | Device and method for producing a functional shaft |
| WO2018103030A1 (en) * | 2016-12-07 | 2018-06-14 | 无锡职业技术学院 | Tri-axial ball bearing extrusion jig |
| CN206689676U (en) * | 2017-04-11 | 2017-12-01 | 济南大学 | A kind of lathe workpiece surface rolling device |
| CN107097040A (en) * | 2017-06-23 | 2017-08-29 | 安徽工业大学 | A kind of Axle Surface rolling device |
| CN108393650A (en) * | 2018-05-10 | 2018-08-14 | 济南大学 | A kind of rotary type workpiece surface rolling device |
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| CN109079422A (en) | 2018-12-25 |
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