CN112517934B - Power spindle for compensating regular polygon turning errors and compensation method - Google Patents
Power spindle for compensating regular polygon turning errors and compensation method Download PDFInfo
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- CN112517934B CN112517934B CN202011645569.5A CN202011645569A CN112517934B CN 112517934 B CN112517934 B CN 112517934B CN 202011645569 A CN202011645569 A CN 202011645569A CN 112517934 B CN112517934 B CN 112517934B
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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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- 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
- B23Q23/00—Arrangements for compensating for irregularities or wear, e.g. of ways, of setting mechanisms
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
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Abstract
The invention discloses a power main shaft for compensating regular polygon turning errors and a compensation method, wherein the power main shaft for compensating regular polygon turning errors mainly comprises a servo motor, a support frame, a power cutter head, a micro-motion cutter device, a profiling motor, a profiling bracket, a positioning groove, a profiling, an end cover nut and a support table; the power cutter head and the workpiece spindle are positioned at the initial position and then rotate at a certain rotation speed ratio to carry out compound turning, the return spring drives the roller on the cutter handle to be clung to the profiling die and be positioned at the initial position, the profiling die and the power cutter head start rotating in the same direction and the same phase at the same time with a certain speed difference, and the profiling die and the return spring drive the cutter handle to dynamically move a certain micro displacement in the radial direction along the cutter hole of the power cutter head to carry out turning compensation, so that the power spindle for processing the regular polygon workpiece with the regular polygon turning error compensation can change the center distance from the cutter head to the axis of the workpiece in real time to carry out turning error compensation, and the precision of the turned regular polygon workpiece meets the requirement.
Description
Technical Field
The invention relates to a finish machining device for turning a regular polygon workpiece, in particular to a power spindle for compensating the turning error of the regular polygon, and also relates to a compensation method of a dynamic profiling.
Background
The cross section of the regular polygon workpiece is the workpiece of the regular polygon, the turning processing of the regular polygon workpiece mainly refers to the processing of the workpieces of square, regular hexagon, regular octagon and the like, and the regular polygon workpiece has wide application in the market. The traditional method for processing the regular polygon workpiece is to mill each surface of the regular polygon workpiece by a milling machine, and each surface is processed by clamping and processing in a divided manner. The invention patent of the profile turning and peeling device and the profile turning and peeling method applied by the inventor is provided with the following patent numbers: the invention relates to ZL201310065947.6, which is mainly equipment and a processing method for turning regular polygon, wherein the processing method for turning regular polygon adopts a planetary gear train cycloid principle, namely a cutter head spindle and a workpiece axis are arranged in parallel and rotate at a certain rotation speed ratio to form a compound turning motion, the track of a cutter point relative to the workpiece axis is a periodically repeated closed cycloid curve which is approximately straight, and the outline part surrounded by the curve track is approximately regular polygon, so that the turning regular polygon is an approximate processing method, and the larger the processing range is, the lower the precision is. In order to improve the machining precision and the machining range of the turning regular polygon workpiece, the power spindle device and the error compensation method for the regular polygon turning error compensation, which are applied by the inventor, have the following patent numbers: the invention adopts high-technology components such as piezoelectric ceramics, grating scales and the like, has high cost and complex application conditions, and is difficult to industrialize. In order to reduce development cost and simplify equipment structure, the invention adopts a dynamic profiling technology to carry out error compensation, so that the precision of the turned regular polygon workpiece meets the requirement.
Disclosure of Invention
According to the problems, the invention mainly solves the problems of low machining precision, small machining range, high cost and the like of the conventional turning regular polygon workpiece.
The invention provides a power spindle for compensating regular polygon turning errors, which comprises a servo motor, a support frame, a power cutter head, a micro-motion cutter device, a profiling motor, a profiling bracket, a positioning groove, a profiling, an end cover nut and a support table, wherein the support frame is arranged on the support frame; the servo motor is connected with the support frame through bolts; the support frame is fixedly connected with the support table; the servo motor is fixedly connected with the power cutterhead; the power cutter head is radially provided with a plurality of cutter holes, each cutter hole is a through hole, the cross section of the front end of each cutter hole is regular polygon, the cross section of the rear end of each cutter hole is circular, and the tail part of each cutter hole is provided with a convex tubular structure and external threads; the profiling motor is connected with the profiling bracket through bolts; the profiling bracket is provided with a positioning groove, and is connected with the supporting table through the positioning groove by bolts; calculating an error compensation value according to the shape and the size of the workpiece required to be processed, wherein the shape of the profiling is an approximate polygon drawn according to the error compensation value, and the profiling is fixedly connected with a profiling motor; a hole is formed in the middle of the end cover nut and matched with external threads of the convex tubular structure of the cutter Kong Weibu of the power cutter head, and the cutter handle can penetrate through the end cover nut when being installed; the main shaft of the power cutterhead is arranged in parallel with the main shaft of the workpiece.
The micro-motion cutter device comprises a cutter head, a cutter handle, a positioning nut, a reset spring and a roller; the tool bit and the handle of a knife fixed connection, the front end of handle of a knife is regular polygon cross-section and with the positive many polygon cross-section hole sliding fit of power blade disc's sword hole front end, the rear end of handle of a knife is circular cross-section and is equipped with the screw thread, the handle of a knife afterbody is located to the gyro wheel, reset spring locates the handle of a knife middle part, set nut locates the handle of a knife rear end and with handle of a knife screw thread fit, set nut's position decides reset spring's pretightning force value, reset spring drive gyro wheel removes along the profiling appearance, profiling and reset spring drive handle of a knife follow the sword hole of power blade disc in radial dynamic motion certain little displacement carry out the turning compensation jointly.
A compensation method of a power main shaft for compensating a regular polygon turning error is characterized by comprising the following steps: the power cutter head and the workpiece spindle are rotated at a certain rotation speed ratio after being positioned at an initial position, the return spring drives the roller on the cutter handle to be clung to the profiling die and be positioned at the initial position, the profiling die and the power cutter head are rotated in the same direction and the same phase at the same time at a certain speed difference, the profile of the profiling die is similar to a polygon with error compensation, and the speed difference profiling die and the return spring jointly drive the cutter handle to move a certain micro displacement in the radial direction along a cutter hole of the power cutter head to carry out turning compensation, so that the power spindle for turning error compensation can be used for machining a regular polygon workpiece, and the center distance from a cutter head to the axis of the workpiece can be changed in real time, thereby completing turning error compensation, and the precision of the turned regular polygon workpiece meets the requirements.
Compared with the prior art, the invention has the following advantages:
at present, the turning method of the regular polygon is a compound turning motion adopting the cycloid principle of a planetary gear train, and the turned outline is approximate to the regular polygon, so that the turning method is approximate to the turning method, and only a regular polygon workpiece with small section and low precision can be turned. The invention relates to a power spindle for compensating the turning error of a regular polygon, which improves the machining precision through a dynamic profiling technology, reduces the machining cost and simplifies the equipment structure.
Drawings
Fig. 1 is a schematic structural view of a power spindle device for compensating regular polygon turning errors according to the present invention.
Fig. 2 is a schematic view of the micro-cutter device of the present invention.
Detailed Description
In order to describe the technical content, constructional features, achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
In the technical process of researching the turning of the regular polygon, the technical staff of the invention find that the existing turning of the regular polygon workpiece has low machining precision, small machining range, high cost and the like, and in order to solve the problems, the technical staff adopts a dynamic profiling technology to carry out error compensation method to improve the machining precision.
With reference to fig. 1 and 2, the invention provides a power spindle for compensating a regular polygon turning error, which comprises a servo motor 1, a support frame 2, a power cutter head 3, a micro-cutter device 4, a profiling motor 5, a profiling bracket 6, a positioning groove 7, a profiling 8, an end cover nut 9 and a support table 10; the servo motor 1 is connected with the support frame 2 through bolts; the support frame 2 is fixedly connected with the support table 10; the servo motor 1 is fixedly connected with the power cutterhead 3; the power cutter head 3 is radially provided with a plurality of cutter holes, each cutter hole is a through hole, the cross section of the front end of each cutter hole is regular polygon, the cross section of the rear end of each cutter hole is circular, and the tail part of each cutter hole is of a convex tubular structure and is provided with external threads; the profiling motor 5 is connected with the profiling bracket 6 through bolts; the profiling bracket 6 is provided with a positioning groove 7, and the profiling bracket 6 is connected with the supporting table 10 through the positioning groove 7 by bolts; calculating an error compensation value according to the shape and the size of the turned regular polygon workpiece, wherein the outline shape of the profiling 8 is an approximate polygon drawn according to the error compensation value, and the profiling 8 is fixedly connected with the profiling motor 5; a hole is formed in the middle of the end cover nut 9 and matched with external threads of the convex tubular structure of the cutter Kong Weibu of the power cutter head 3, and the cutter handle 42 can penetrate through the end cover nut 9 when being installed; the main shaft of the power cutterhead 3 is arranged in parallel with the main shaft of the workpiece.
The micro-motion cutter device 4 comprises a cutter head 41, a cutter handle 42, a positioning nut 43, a return spring 44 and a roller 45; the tool bit 41 is fixedly connected with the tool shank 42, the front end of the tool shank 42 is of a regular polygon cross section and is in sliding fit with a regular polygon cross section hole at the front end of a cutter hole of the power cutter head 3, the rear end of the tool shank 42 is of a round cross section and is provided with threads, the roller 45 is arranged at the tail part of the tool shank 42, the reset spring 44 is arranged in the middle of the tool shank 42, the positioning nut 43 is arranged at the rear end of the tool shank 42 and is in threaded fit with the tool shank 42, the position of the positioning nut 43 determines the pretightening force value of the reset spring 44, the reset spring 44 drives the roller 45 to move along the profile of the profiling 8, and the profiling 8 and the reset spring 44 jointly drive the tool shank 42 to move in a certain micro-displacement in a radial dynamic mode along the cutter hole of the power cutter head 3 to carry out turning compensation.
A compensation method of a power main shaft for compensating a regular polygon turning error is characterized by comprising the following steps: after the power cutter head 3 and the workpiece spindle are positioned at the initial position, the power cutter head 3 and the workpiece spindle are rotated at a certain rotation speed ratio to perform compound turning, the return spring 44 drives the roller 45 on the cutter handle 42 to be tightly attached to the profiling 8 to be positioned at the initial position, the profiling 8 is in an approximate polygon shape with error compensation, because the speed difference profiling 8 and the power cutter head 3 rotate in the same direction and in the same phase at the same time with a certain speed difference, the profiling 8 and the return spring 44 jointly drive the cutter handle 42 to dynamically move in a certain micro-displacement in the radial direction along the cutter hole of the power cutter head 3 to perform turning compensation, the power spindle for ensuring the turning error compensation of the regular polygon can change the center distance from the cutter head 41 to the axis of the workpiece in real time, thereby completing the turning error compensation, and the precision of the turned regular polygon workpiece meets the requirements.
Claims (1)
1. A power main shaft for compensating the turning error of a regular polygon is characterized in that: the power spindle device comprises a servo motor, a support frame, a power cutter head, a micro-cutter device, a profiling motor, a profiling bracket, a positioning groove, a profiling, an end cover nut and a support table; the servo motor is connected with the support frame through bolts; the support frame is fixedly connected with the support table; the servo motor is fixedly connected with the power cutterhead; the power cutter head is radially provided with a plurality of cutter holes, each cutter hole is a through hole, the cross section of the front end of each cutter hole is regular polygon, the cross section of the rear end of each cutter hole is circular, and the tail part of each cutter hole is of a convex tubular structure and is provided with external threads; the profiling motor is connected with the profiling bracket through bolts; the profiling bracket is provided with the positioning groove, and is connected with the supporting table through the positioning groove by bolts; the profiling is fixedly connected with the profiling motor; a hole is formed in the middle of the end cover nut and matched with external threads of the convex tubular structure of the cutter Kong Weibu of the power cutter head; the power cutterhead main shaft is arranged in parallel with the workpiece main shaft;
the micro-motion cutter device comprises a cutter head, a cutter handle, a positioning nut, a reset spring and a roller; the cutter head is fixedly connected with the cutter handle, the front end of the cutter handle is of a regular polygon section and is in sliding fit with a regular polygon section hole at the front end of a cutter hole of the power cutter head, the rear end of the cutter handle is of a circular section and is provided with threads, the idler wheel is arranged at the tail part of the cutter handle, the reset spring is arranged at the middle part of the cutter handle, and the positioning nut is arranged at the rear end of the cutter handle and is in threaded fit with the cutter handle;
the power cutterhead and the workpiece spindle are positioned at an initial position and then rotate at a certain rotation speed ratio to perform compound turning, the return spring drives the roller on the cutter handle to be clung to the profiling at the initial position, the profiling and the power cutterhead start rotating at the same direction and the same phase at the same time with a certain speed difference, the profile of the profiling is an approximate polygon with error compensation, and the profiling and the return spring jointly drive the cutter handle to move in a certain micro-displacement in the radial direction along the cutter hole of the power cutterhead for performing turning compensation because of the speed difference, so that the power spindle for processing the regular polygon turning error compensation can change the center distance from the cutter head to the workpiece axis in real time to complete the turning error compensation, and the precision of the turned regular polygon workpiece meets the requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011645569.5A CN112517934B (en) | 2020-12-29 | 2020-12-29 | Power spindle for compensating regular polygon turning errors and compensation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011645569.5A CN112517934B (en) | 2020-12-29 | 2020-12-29 | Power spindle for compensating regular polygon turning errors and compensation method |
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| Publication Number | Publication Date |
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| CN112517934A CN112517934A (en) | 2021-03-19 |
| CN112517934B true CN112517934B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011645569.5A Active CN112517934B (en) | 2020-12-29 | 2020-12-29 | Power spindle for compensating regular polygon turning errors and compensation method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147056Y (en) * | 1993-01-08 | 1993-11-24 | 冯冠大 | Working parts rest type rotator working machine |
| CN203109241U (en) * | 2013-01-24 | 2013-08-07 | 嘉兴学院 | Section bar turning and peeling device |
| CN206677668U (en) * | 2017-04-27 | 2017-11-28 | 南京信息工程大学 | A kind of horizontal turning center cutting force compensation control system |
| CN107470657A (en) * | 2017-09-27 | 2017-12-15 | 嘉兴学院 | The power spindle device and error compensating method of regular polygon turning error compensation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6157171B2 (en) * | 2013-03-28 | 2017-07-05 | シチズン時計株式会社 | Polygon processing apparatus and polygon processing method |
-
2020
- 2020-12-29 CN CN202011645569.5A patent/CN112517934B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147056Y (en) * | 1993-01-08 | 1993-11-24 | 冯冠大 | Working parts rest type rotator working machine |
| CN203109241U (en) * | 2013-01-24 | 2013-08-07 | 嘉兴学院 | Section bar turning and peeling device |
| CN206677668U (en) * | 2017-04-27 | 2017-11-28 | 南京信息工程大学 | A kind of horizontal turning center cutting force compensation control system |
| CN107470657A (en) * | 2017-09-27 | 2017-12-15 | 嘉兴学院 | The power spindle device and error compensating method of regular polygon turning error compensation |
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| CN112517934A (en) | 2021-03-19 |
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Address after: 314031 2 building, Photovoltaic Science Park, 1288 Kang He road, Xiuzhou District, Jiaxing, Zhejiang. Applicant after: JIAXING University Address before: 314001 Yuexiu South Road, Nanhu District, Jiaxing, Zhejiang Province, No. 56 Applicant before: JIAXING University |
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