CN101898253B - Numerical control machine - Google Patents
Numerical control machine Download PDFInfo
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- CN101898253B CN101898253B CN 200910302778 CN200910302778A CN101898253B CN 101898253 B CN101898253 B CN 101898253B CN 200910302778 CN200910302778 CN 200910302778 CN 200910302778 A CN200910302778 A CN 200910302778A CN 101898253 B CN101898253 B CN 101898253B
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- control machine
- workpiece
- machine tool
- digit control
- finder
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 15
- 210000004209 hair Anatomy 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000003708 edge detection Methods 0.000 description 3
- 238000002372 labelling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention relates to a numerical control machine comprising a chuck, a working platform, a tool and a servo gear, wherein the chuck and the servo gear are fixed on the working platform; the chuck is used for clamping a workpiece, and the servo gear is used for driving the tool. The numerical control machine also comprises an observation device, a driving device and a controller. The driving device is fixed on the working platform, the observation device is fixed on the driving device, and the window of the observation device does not have a sign. The controller and the driving device are electrically connected; and the controller comprises a position module, a moving module and a calculating module. The moving module controls the driving device to shift the observation device to make the sign aligned at a tool nose in the window and the surface of the workpiece to be processed; the position module is used for acquiring the coordinates of the sign, the tool nose and the surface of the workpiece to be processed when the sign, the tool nose and the surface are aligned; the calculating module is used for calculating displacement between the coordinate of the tool nose and the coordinate of the surface of the workpiece to be processed; and the numerical control machine takes the obtained displacement as the displacement of the tool relative to the workpiece in tool setting. In the invention, the observation device is utilized to obtain the displacement of the tool when in tool setting, and the tool and the workpiece do not need to contact, thereby preventing the tool damage caused by careless operation.
Description
Technical field
The present invention relates to a kind of Digit Control Machine Tool.
Background technology
Before numerically controlled lathe carries out face processing, all must carry out the action of tool setting.Tool setting be exactly to find out to want the position that processing work begins to process, and set the coordinate of this position, so that control turning amount and determine the feed position.Present numerically controlled lathe all is the tool setting mode of using hand usually, is about to set its coordinate points after cutter moves to the contact of wish machined surface again.
Yet because the method needs manually to adjust the tool displacement amount, in case therefore often careless manipulation will cause cutter to knock workpiece and rupture, especially the cutter price of super precision lathe processing is not striking especially.
Summary of the invention
In view of this, be necessary to provide a kind of Digit Control Machine Tool of collision workpiece when preventing the cutter contraposition.
A kind of Digit Control Machine Tool, it comprises chuck, workbench, cutter and servomechanism installation.Described chuck and servomechanism installation are fixed on the described workbench, and described chuck is used for holding workpiece, and described cutter is driven by described servomechanism installation and realizes motion.Described Digit Control Machine Tool also comprises finder, drive unit and controller, described drive unit is fixed on the described workbench, described finder is fixed on the described drive unit, be provided with mark in the described finder form, described controller is electrically connected with described drive unit, described controller comprises position module, mobile module and computing module, described drive unit moves described finder to described mobile module so that described mark aligns with point of a knife or the described workpiece surface to be machined of form for controlling, the coordinate that described position module is used for obtaining described mark when aliging with point of a knife, and the coordinate when obtaining described mark and aliging with described workpiece surface to be machined, the amount of movement of the displacement that the displacement between the coordinate that described computing module is used for calculating described point of a knife and the coordinate of described workpiece surface to be machined, described Digit Control Machine Tool obtain described computing module relative workpiece of servomechanism installation driving cutter during as tool setting.
Digit Control Machine Tool provided by the invention utilizes finder can obtain cutter and workpiece to want displacement between the machined surface, thereby the displacement that cutter need to move relative to workpiece when obtaining tool setting, because cutter does not directly contact with workpiece, so can prevent the tool damage that careless manipulation causes.
Description of drawings
Fig. 1 is the schematic diagram of Digit Control Machine Tool provided by the invention.
Fig. 2 is the module diagram of the controller of digital controlled machine tool of Fig. 1.
Form schematic diagram when Fig. 3 is Digit Control Machine Tool the first alignment of Fig. 1.
Form schematic diagram when Fig. 4 is Digit Control Machine Tool the second alignment of Fig. 1.
The specific embodiment
See also Fig. 1 to Fig. 3, the Digit Control Machine Tool 100 that provides for embodiment of the present invention.In the present embodiment, described Digit Control Machine Tool 100 is numerically controlled lathes.Described Digit Control Machine Tool 100 comprises finder 10, display 20, drive unit 30, controller 40, chuck 50, workbench 60, cutter 70 and servomechanism installation 80.Described drive unit 30, chuck 50, servomechanism installation 80 are installed on the workbench 60.
Described chuck 50 is used for holding workpiece 200.Described workpiece 200 is under the drive of described chuck 50, around the rotary middle spindle OO ' of chuck 50 rotation.Described workpiece 200 has surface to be machined 210.In the present embodiment, described workpiece 200 is cylinders, and the surface to be machined 210 of described workpiece 200 comprises sidewall 211 and end face 212.Described cutter 70 is lathe tools, and described cutter 70 comprises handle of a knife 71 and point of a knife 72.The handle of a knife 71 of described cutter 70 is fixed on the described servomechanism installation 80.It is mobile along the rotary middle spindle OO ' of chuck 50 that described servomechanism installation 80 both can drive described cutter 70, also can move along the horizontal direction X perpendicular to described central shaft OO '.In the present embodiment, described servomechanism installation 80 is stepper motors.
Described finder 10 can be high-power microscope, also can be high multiple video camera.In the present embodiment, described finder 10 is high multiple video cameras.See also Fig. 3, be provided with mark 12 in the form 11 of described finder 10.Described mark 12 can be the marks such as x-ray, cross hairs or square frame.In the present embodiment, described mark 12 is cross hairs.Described mark 12 comprises along the horizontal line 120 of the rotary middle spindle OO ' direction of described chuck 50 and the ordinate 121 vertical with horizontal line 120.The image that described display 20 is used for described finder 10 is observed shows, and observes and operation with convenient.Described drive unit 30 is stepper motors.Described finder 10 is fixed on the described drive unit 30.In the present embodiment, it is mobile along the rotary middle spindle OO ' of chuck 50 that described drive unit 30 can drive described finder 10, can also drive described finder 10 and move along the horizontal direction X perpendicular to described central shaft OO '.Described controller 40 is electrically connected with described drive unit 30.
See also Fig. 2, described controller 40 comprises mobile module 41, position module 42 and computing module 43.
See also Fig. 1, Fig. 2 and Fig. 4, described drive unit 30 moves described finder 10 to described mobile module 41 so that the marks 12 in the form 11 of described finder 10 align with point of a knife 72 or with described workpiece 200 surfaces to be machined 210 for controlling.When described Digit Control Machine Tool 100 was used for processing the diameter of described workpiece 200, the described drive unit 30 of described mobile module 41 controls moved described finder 10 so that the horizontal line 120 of the mark 12 in described finder 10 forms 11 aligns with the sidewall 211 of described workpiece 200.When described Digit Control Machine Tool 100 was used for processing the length of described workpiece 200, the described drive unit 30 of described mobile module 41 controls moved described finder 10 so that the ordinate 121 of the mark 12 in described finder 10 forms 11 aligns with the end face 212 of described workpiece 200.In the present embodiment, take the length of processing described workpiece 200 as example.The described drive unit 30 of described mobile module 41 controls moves described finder 10 so that the ordinate 121 of the mark 12 in described finder 10 forms 11 aligns with described point of a knife 72 first, moves described finder 10 again so that the ordinate 121 of the mark 12 in described finder 10 forms 11 aligns with the end face 212 of described workpiece 200.Described mobile module 41 can have the operator by watching described display 20 to set the parameter of described mobile module 41, thereby mobile described finder 10 also can utilize the edge detection technology automatically to identify and control.In the present embodiment, the operator utilizes described Digit Control Machine Tool 100 manually to set the parameter of described mobile module 41 by watching described display 20, thus mobile described finder 10.
Coordinate when form 11 internal labelings 12 that described position module 42 is used for obtaining described finder 10 are alignd with described point of a knife 72, the coordinate when form 11 internal labelings 12 that reach described finder 10 are alignd with described workpiece 200 surfaces to be machined 210.
See also Fig. 4, described position module 42 can manually be set by the operator, the coordinate in the time of also can aliging with point of a knife 72 by the described mark 12 of software automatic acquisition.In the present embodiment, the operator is by watching described display 20, when the ordinate 121 of described mark 12 aligns with point of a knife 72, drive the current coordinate figure that finder 10 moves by reading drive unit 30, and manually this coordinate figure is established to the coordinate of described position module 42 as described point of a knife 72.Certainly, if utilize the edge detection technology, then detect first the edge of point of a knife 72, judge again whether point of a knife 72 aligns with the ordinate 121 of described mark 12, when alignment, automatically give described position module 42 with current setting coordinate, as the coordinate of point of a knife 72.
See also Fig. 3, described position module 42 can manually be set by the operator, the coordinate in the time of also can aliging with point of a knife 72 by the described mark 12 of software automatic acquisition.In the present embodiment, the operator is by watching described display 20, when the ordinate 121 of described mark 12 aligns with the end face 212 of described workpiece 200, drive the current coordinate figure that finder 10 moves by reading drive unit 30, and manually this coordinate figure is established to the coordinate of described position module 42 as the end face 212 of workpiece 200.Certainly, if utilize the edge detection technology, then detect first the edge of the end face 212 of described workpiece 200, whether the end face 212 of judging again described workpiece 200 aligns with the ordinate 121 of described mark 12, automatically give described position module 42 with current setting coordinate when when alignment, as the coordinate of the end face 212 of described workpiece 200.
Described computing module 43 is for the displacement between the coordinate of the coordinate that calculates described point of a knife 72 and described workpiece 200 surfaces to be machined 210.In the present embodiment, described computing module 43 obtains the coordinate between the coordinate of the coordinate of described point of a knife 72 and described workpiece 200 end faces 212, and do poor the processing, move to the displacement that described workpiece 200 surfaces to be machined 210 need to move thereby obtain described point of a knife 72.The displacement that described Digit Control Machine Tool 100 obtains described computing module 43 during as tool setting servomechanism installation 80 drive the amount of movement of cutters 70 relative workpiece.
Digit Control Machine Tool provided by the invention utilizes finder can obtain cutter and workpiece to want displacement between the machined surface, thereby the displacement that cutter need to move relative to workpiece when obtaining tool setting, because cutter does not directly contact with workpiece, so can prevent the tool damage that careless manipulation causes.
Those skilled in the art will be appreciated that; above embodiment only is that the present invention is described; and be not to be used as limitation of the invention; as long as within connotation scope of the present invention, appropriate change and variation that above embodiment is done all drop within the scope of protection of present invention.
Claims (6)
1. Digit Control Machine Tool, it comprises chuck, workbench, cutter and servomechanism installation, described chuck and servomechanism installation are fixed on the described workbench, described chuck is used for holding workpiece, described cutter is driven by described servomechanism installation and realizes motion, it is characterized in that, described Digit Control Machine Tool also comprises finder, drive unit and controller, described drive unit is fixed on the described workbench, described finder is fixed on the described drive unit, be provided with mark in the described finder form, described controller is electrically connected with described drive unit, described controller comprises position module, mobile module and computing module, described drive unit moves described finder to described mobile module so that described mark aligns with point of a knife or the described workpiece surface to be machined of form for controlling, the coordinate that described position module is used for obtaining described mark when aliging with point of a knife, and the coordinate when obtaining described mark and aliging with described workpiece surface to be machined, displacement between the coordinate when coordinate when described computing module is used for calculating described mark and aligns with described point of a knife aligns with described workpiece surface to be machined with described mark, described Digit Control Machine Tool be the amount of movement of the relative workpiece of servomechanism installation driving cutter during as tool setting with the displacement of described computing module acquisition.
2. Digit Control Machine Tool as claimed in claim 1 is characterized in that, the mark that arranges in the described finder form is cross hairs.
3. Digit Control Machine Tool as claimed in claim 1 is characterized in that, described Digit Control Machine Tool also comprises display, and described display is used for showing the image that described finder obtains.
4. Digit Control Machine Tool as claimed in claim 1 is characterized in that, described drive unit is stepper motor.
5. Digit Control Machine Tool as claimed in claim 1 is characterized in that, described Digit Control Machine Tool utilizes point of a knife in the edge identification finder and the surface to be machined of workpiece.
6. Digit Control Machine Tool as claimed in claim 1 is characterized in that, described servomechanism installation is stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910302778 CN101898253B (en) | 2009-05-31 | 2009-05-31 | Numerical control machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910302778 CN101898253B (en) | 2009-05-31 | 2009-05-31 | Numerical control machine |
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| CN101898253A CN101898253A (en) | 2010-12-01 |
| CN101898253B true CN101898253B (en) | 2013-03-20 |
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| CN 200910302778 Expired - Fee Related CN101898253B (en) | 2009-05-31 | 2009-05-31 | Numerical control machine |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056930A (en) * | 2012-12-23 | 2013-04-24 | 胥超 | Outline learning method of woodwork sample workpiece |
| CN104190963B (en) * | 2014-07-07 | 2016-06-08 | 昆明学院 | A kind of numerical control lathe adjusting tool device based on machine vision and presetting cutter method |
| CN107479500B (en) * | 2017-07-05 | 2019-10-15 | 汕头大学 | A numerical control system and method for motion positioning of a machining center with a vision device |
| CN107214533A (en) * | 2017-07-12 | 2017-09-29 | 重庆帅能机床制造有限公司 | A kind of intelligent Combined machine tool |
| CN109345500B (en) * | 2018-08-02 | 2021-08-13 | 西安交通大学 | A method for calculating the position of the tool nose point of a machine tool based on machine vision |
| WO2020174585A1 (en) | 2019-02-26 | 2020-09-03 | 国立大学法人東海国立大学機構 | Cutting device and contact position identification program |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141014A (en) * | 1994-10-31 | 1997-01-22 | 菲利浦电子有限公司 | Method of measuring a reference position of a tool relative to a workpiece, and machine tool for carrying out said method |
| EP1327495A1 (en) * | 2000-10-16 | 2003-07-16 | Makino Milling Machine Co. Ltd. | Measuring method and device, machine tool having such device, and work processing method |
| CN200951465Y (en) * | 2004-04-16 | 2007-09-26 | Jobs股份公司 | Blade adapter used for gang tool, and gang tool therewith |
| CN101101484A (en) * | 2007-08-01 | 2008-01-09 | 暨南大学 | A two-dimensional positioning device based on machine vision |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008023692A (en) * | 2006-07-25 | 2008-02-07 | Mitsubishi Electric Corp | Numerical value control device |
| JP5217137B2 (en) * | 2006-09-22 | 2013-06-19 | 日産自動車株式会社 | Touch probe measuring method and measuring apparatus |
-
2009
- 2009-05-31 CN CN 200910302778 patent/CN101898253B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141014A (en) * | 1994-10-31 | 1997-01-22 | 菲利浦电子有限公司 | Method of measuring a reference position of a tool relative to a workpiece, and machine tool for carrying out said method |
| EP1327495A1 (en) * | 2000-10-16 | 2003-07-16 | Makino Milling Machine Co. Ltd. | Measuring method and device, machine tool having such device, and work processing method |
| CN200951465Y (en) * | 2004-04-16 | 2007-09-26 | Jobs股份公司 | Blade adapter used for gang tool, and gang tool therewith |
| CN101101484A (en) * | 2007-08-01 | 2008-01-09 | 暨南大学 | A two-dimensional positioning device based on machine vision |
Non-Patent Citations (2)
| Title |
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| JP特开2008-23692A 2008.02.07 |
| JP特开2008-76309A 2008.04.03 |
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| CN101898253A (en) | 2010-12-01 |
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Owner name: BEIJING DIAMOND + SPARK SCIENCE + TECHNOLOGY SHARE Free format text: FORMER OWNER: HONGFUJIN PRECISE INDUSTRY (SHENZHEN) CO., LTD. Effective date: 20150617 Free format text: FORMER OWNER: HONGFUJIN PRECISE INDUSTRY CO., LTD. Effective date: 20150617 |
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Effective date of registration: 20150617 Address after: 100089 Beijing Haidian District Zizhuyuan Road No. 116 A block 701 Patentee after: Beijing Diamond & Spark Science & Technology Share Co., Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Patentee before: Hon Hai Precision Industry Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20160531 |