CN106334846A - Intelligent optical automatic threading system and method for medium-speed wire-cut electrical discharge machine - Google Patents
Intelligent optical automatic threading system and method for medium-speed wire-cut electrical discharge machine Download PDFInfo
- Publication number
- CN106334846A CN106334846A CN201610781441.9A CN201610781441A CN106334846A CN 106334846 A CN106334846 A CN 106334846A CN 201610781441 A CN201610781441 A CN 201610781441A CN 106334846 A CN106334846 A CN 106334846A
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- China
- Prior art keywords
- wire
- dimensional movement
- molybdenum filament
- movement mechanism
- cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention discloses an intelligent optical automatic threading system and method for a medium-speed wire-cut electrical discharge machine. The system comprises an industrial camera, a two-dimensional moving mechanism, a wire clip and the wire-cut electrical discharge machine; the two-dimensional moving mechanism is movably placed on an XY numerically-controlled workbench of the wire-cut electrical discharge machine; a molybdenum wire clamped and fixed by the two-dimensional moving mechanism is clipped by the wire clip; and the industrial camera is located on any side outside the wire-cut electrical discharge machine. The method comprises steps as follows: (1) calibration; (2) calculation of a position deviation; (3) compensation of the deviation; (4) automatic threading. The threading method is simple, the position deviation is compensated by the aid of the threading system, the automatic threading function is realized, on one hand, the threading speed is effectively increased, on the other hand, the threading accuracy and quality are improved, the machining efficiency of the medium-speed wire-cut electrical discharge machine is greatly improved, the practicability is high, and the method is an innovation for development of the medium-speed wire-cut technology.
Description
Technical field
The present invention relates to middle wire cutting technique field, more particularly to a kind of middle wire wire cutting machine intelligent optical is automatic
Wear a system and wear a method.
Background technology
With the development of science and technology, the appearance of various advanced manufacturing technologies, change traditional the adding of a lot of industries
Work mode.And wire cutting industry, in nearest a lot of years, technically there is no very big breakthrough and development.And be on the other hand
Because the processing method of wire cutting does not also have other more advanced processing mode can replace.So in existing linear cutting equipment
On carry out technology innovation and upgrading be highly desirable to and be worth.
In line cutting processing, through hole accomplished fluently in advance by processing workpiece, then manually tool-electrode is usually molybdenum
The silk hole that silk passes through equipment worn by silk, is then passed through the through hole accomplished fluently in advance on workpiece.After there is fracture of wire phenomenon in the course of processing,
Need manually to carry out wearing silk operation.In order to ensure the effect processed, equipment wire hole is all very little, and molybdenum filament is also typically diameter
Molybdenum filament for 0.10～0.18mm, sectional dimension is little, and artificial threading difficulty can be big, and efficiency is low, wears a deviation greatly, thus directly
Reduce cutting efficiency and the cut quality of wire cutting machine.
Content of the invention
The invention mainly solves the technical problem of providing a kind of middle wire wire cutting machine intelligent optical automatic wire feed system
And wear a method, in place of can solve the problem that existing artificial threading above shortcomings.
For solving above-mentioned technical problem, one aspect of the present invention is: provides a kind of middle wire wire cutting machine
Intelligent optical automatic wire feed system, including industrial camera, two-dimensional movement mechanism, clamp clip and cutting off machine；
Described two-dimensional movement mechanism is movable to be placed on the xy numerical control table, NC table of described cutting off machine, for clamping mobile molybdenum
Silk；
Described clamp clip is clamped on the molybdenum filament that described two-dimensional movement mechanism grips, for molybdenum filament is sent into wire hole；
Described industrial camera is located at any one side outside described cutting off machine, for the molybdenum filament of Taking Pictures recording clamp clip holding position
Coordinate.
In a preferred embodiment of the present invention, described industrial camera carries camera lens and light source.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provides a kind of middle wire wire cutting
Machine intelligent optical automatic wire feed method, comprises the steps:
(1) before cutting, the position relationship of calibration for cameras and through wires hole, and record two-dimensional movement mechanism at industrial camera and wear silk
Coordinate position at hole；
(2), when cutting, clamped with clamp clip and take pictures at molybdenum filament mobile extremely described industrial camera, calculate molybdenum filament position and simultaneously obtain
With the position deviation in step (1)；
(3) deviation compensation, the position deviation obtaining is compensated the described two-dimensional movement machine of record in step (1) in step (2)
Structure is in the coordinate at wire hole position；
(4) automatic wire feed, according to the coordinate position after compensating in step (3), mobile described two-dimensional movement mechanism is to wire hole
Top, and penetrated molybdenum filament in described wire hole by described clamp clip, complete to wear silk.
In a preferred embodiment of the present invention, in described step (1), described position calibration method is:
The first step, on the optional position of molybdenum filament clamp clip being clipped in the clamping of two-dimensional movement mechanism, mobile described two-dimensional movement
The molybdenum filament of mechanism to clamp clip holding position, to industrial camera, is taken pictures；
Second step, calculates the position of the x/y plane obtaining molybdenum filament at described clamp clip on cutting off machine, and is recorded as working as
The coordinate position (x1, y1) of front two dimension travel mechanism；
3rd step: artificial control moves described two-dimensional movement mechanism, molybdenum filament is delivered to the top of through wires hole, and controls described clamp
Clip is sent into molybdenum filament in wire hole, records the coordinate position (x2, y2) of presently described two-dimensional stage, completes to demarcate.
In a preferred embodiment of the present invention, the computational methods of described molybdenum filament position are vision algorithm.
In a preferred embodiment of the present invention, the position deviation of described molybdenum filament is equal to described two-dimensional movement mechanism described
Position deviation at industrial camera, is also equal to position deviation at wire hole for the described two-dimensional movement mechanism.
The invention has the beneficial effects as follows: a kind of middle wire wire cutting machine intelligent optical automatic wire feed method of the present invention is simple,
It carries out position deviation compensation it is achieved that automatic wire feed function by wearing a system, on the one hand effectively increases and wears a speed, separately
On the one hand improve and wear the accuracy of silk and wear yarn quality, substantially increase the working (machining) efficiency of middle wire wire cutting machine, practicality
By force, it is the innovation that middle wire cutting technique develops.
Specific embodiment
Below presently preferred embodiments of the present invention is described in detail so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that apparent clearly defining thus making to protection scope of the present invention.
The embodiment of the present invention includes:
Embodiment 1
A kind of middle wire wire cutting machine intelligent optical automatic wire feed system, including industrial camera, two-dimensional movement mechanism, clamp clip
And cutting off machine.
Wherein, described cutting off machine is fixed with blank, blank has been accomplished fluently wire hole in advance.
Described two-dimensional movement mechanism is movable to be placed on the xy numerical control table, NC table of cutting off machine, for clamping mobile molybdenum filament
Take pictures to industrial camera and movement carries out wearing silk to wire hole.
Incisory wire electrode is that the free end of molybdenum filament is gripped by described two-dimensional movement mechanism, and clamp clip is clamped in
On the molybdenum filament that described two-dimensional movement mechanism grips, the effect of clamp clip clamping, on the one hand it is used for Taking Pictures recording clamp and press from both sides
The molybdenum filament position of sub- holding position, is on the other hand used for penetrating molybdenum filament in wire hole.
Described industrial camera is located at any one side outside described cutting off machine, for the molybdenum filament of Taking Pictures recording clip holding position
Position.
Wear the method that a system carries out middle wire wire cutting machine intelligent optical automatic wire feed using above-mentioned, concrete steps are such as
Under:
(1) before cutting, the position relationship of calibration for cameras and through wires hole, and record two-dimensional movement mechanism at industrial camera and wear silk
Coordinate position at hole；
Concrete scaling method is:
The first step, on the optional position at molybdenum filament end clamp clip being clipped in the clamping of two-dimensional movement mechanism, mobile two-dimensional movement machine
Structure makes the molybdenum filament of clamp clip holding position move under industrial camera, takes pictures；
Second step, is calculated using vision algorithm and obtains molybdenum filament at the clamp clip taken pictures in step (1) on cutting off machine
The position of x/y plane, and it is recorded as the coordinate position (x1, y1) of current two-dimensional movement mechanism；
3rd step: manually move two-dimensional movement mechanism, molybdenum filament is delivered to the top of through wires hole, and control clamp clip that molybdenum filament is sent
Enter in wire hole, a coordinate position (x2, y2) of two-dimensional stage when record is worn thread, complete to demarcate；
(2), when cutting, clamp molybdenum filament with clamp clip and movement is taken pictures to industrial camera, calculate molybdenum filament using vision algorithm
The position deviation between the coordinate position (x1, y1) in step (1) is simultaneously obtained in position；
(3) deviation compensation, the two-dimensional movement mechanism that the position deviation obtaining in step (2) is compensated record in step (1) exists
Coordinate position (x3, y3) in coordinate position (x2, y2) at wire hole, after being compensated；The position deviation of molybdenum filament is equal to two
Position deviation at industrial camera for the dimension travel mechanism, is also equal to position deviation at wire hole for the two-dimensional movement mechanism；
(4) automatic wire feed, according to the mobile two-dimensional movement mechanism of the coordinate position (x3, y3) after the compensation obtaining in step (3) extremely
The top of wire hole, and accurately penetrated molybdenum filament in wire hole by clamp clip, complete to wear silk.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. a kind of middle wire wire cutting machine intelligent optical automatic wire feed system is it is characterised in that include industrial camera, two-dimensional movement
Mechanism, clamp clip and cutting off machine；
Described two-dimensional movement mechanism is movable to be placed on the xy numerical control table, NC table of described cutting off machine, for clamping mobile molybdenum
Silk；
Described clamp clip is clamped on the molybdenum filament that described two-dimensional movement mechanism grips, for molybdenum filament is sent into wire hole；
Described industrial camera is located at any one side outside described cutting off machine, for the molybdenum filament of Taking Pictures recording clamp clip holding position
Coordinate.
2. middle wire wire cutting machine intelligent optical automatic wire feed system according to claim 1 is it is characterised in that described work
Industry camera carries camera lens and light source.
3. a kind of middle wire wire cutting machine intelligent optical automatic wire feed method is it is characterised in that comprise the steps:
(1) before cutting, the position relationship of calibration for cameras and through wires hole, and record two-dimensional movement mechanism at industrial camera and wear silk
Coordinate position at hole；
(2), when cutting, clamp molybdenum filament with clamp clip and taken pictures to described industrial camera by two-dimensional movement mechanism is mobile, calculate
Molybdenum filament position is simultaneously obtained and the position deviation in step (1)；
(3) deviation compensation, the position deviation obtaining is compensated the described two-dimensional movement machine of record in step (1) in step (2)
Structure is in the coordinate at wire hole position；
(4) automatic wire feed, according to the coordinate position after compensating in step (3), mobile described two-dimensional movement mechanism is to wire hole
Top, and penetrated molybdenum filament in described wire hole by described clamp clip, complete to wear silk.
4. middle wire wire cutting machine intelligent optical automatic wire feed method according to claim 3 is it is characterised in that described step
Suddenly, in (1), described position calibration method is:
The first step, on the optional position of molybdenum filament clamp clip being clipped in the clamping of two-dimensional movement mechanism, mobile described two-dimensional movement
Mechanism makes the molybdenum filament of clamp clip holding position move under industrial camera, takes pictures；
Second step, calculates the position of the x/y plane obtaining molybdenum filament at described clamp clip on cutting off machine, and is recorded as working as
The coordinate position (x1, y1) of front two dimension travel mechanism；
3rd step: manually move described two-dimensional movement mechanism, molybdenum filament is delivered to the top of through wires hole, and control described clamp clip
Molybdenum filament is sent in wire hole, a coordinate position (x2, y2) of described two-dimensional stage when record is worn thread, complete to demarcate.
5. the middle wire wire cutting machine intelligent optical automatic wire feed method according to claim 3 or 4 is it is characterised in that institute
The computational methods stating molybdenum filament position are vision algorithm.
6. middle wire wire cutting machine intelligent optical automatic wire feed method according to claim 3 is it is characterised in that described molybdenum
The position deviation of silk is equal to position deviation at described industrial camera for the described two-dimensional movement mechanism, is also equal to described two-dimensional movement
Position deviation at wire hole for the mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781441.9A CN106334846B (en) | 2016-08-31 | 2016-08-31 | Middle wire wire cutting machine intelligent optical automatic wire feed device and wear a method |
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|---|---|---|---|
| CN201610781441.9A CN106334846B (en) | 2016-08-31 | 2016-08-31 | Middle wire wire cutting machine intelligent optical automatic wire feed device and wear a method |
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| CN106334846B CN106334846B (en) | 2018-12-28 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964858A (en) * | 2017-05-18 | 2017-07-21 | 四川理工学院 | A kind of electric spark linear cutting machine automatic wire feed device and wear a method |
| CN108247157A (en) * | 2017-12-26 | 2018-07-06 | 张家港华裕有色金属材料有限公司 | A kind of manufacturing method of TC4 titanium alloys seamless tube blank |
| CN109664241A (en) * | 2018-12-18 | 2019-04-23 | 大连理工大学 | A kind of micro glass pipe automatic wire feed aligning device and method |
| CN109894693A (en) * | 2019-03-26 | 2019-06-18 | 昆山瑞钧机械科技有限公司 | A kind of upper and lower electrode silk device of line cutting machine intelligence |
| CN111001887A (en) * | 2019-12-27 | 2020-04-14 | 哈尔滨汽轮机厂有限责任公司 | Method for processing small window sleeve window |
| CN114473092A (en) * | 2021-12-27 | 2022-05-13 | 昆山瑞钧机械科技有限公司 | Automatic threading molybdenum wire cutting machine tool and use method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964858A (en) * | 2017-05-18 | 2017-07-21 | 四川理工学院 | A kind of electric spark linear cutting machine automatic wire feed device and wear a method |
| CN106964858B (en) * | 2017-05-18 | 2019-01-25 | 四川理工学院 | A kind of electric spark linear cutting machine automatic wire feed device and wear a method |
| CN108247157A (en) * | 2017-12-26 | 2018-07-06 | 张家港华裕有色金属材料有限公司 | A kind of manufacturing method of TC4 titanium alloys seamless tube blank |
| CN109664241A (en) * | 2018-12-18 | 2019-04-23 | 大连理工大学 | A kind of micro glass pipe automatic wire feed aligning device and method |
| CN109894693A (en) * | 2019-03-26 | 2019-06-18 | 昆山瑞钧机械科技有限公司 | A kind of upper and lower electrode silk device of line cutting machine intelligence |
| CN111001887A (en) * | 2019-12-27 | 2020-04-14 | 哈尔滨汽轮机厂有限责任公司 | Method for processing small window sleeve window |
| CN114473092A (en) * | 2021-12-27 | 2022-05-13 | 昆山瑞钧机械科技有限公司 | Automatic threading molybdenum wire cutting machine tool and use method thereof |
| CN114473092B (en) * | 2021-12-27 | 2024-02-13 | 昆山瑞钧机械科技有限公司 | Automatic threading molybdenum wire cutting machine tool and using method thereof |
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Address after: 215143 South Floor 1, Building B1, No. 83-2, Changping Road, Huangdai Town, Xiangcheng District, Suzhou, Jiangsu Province Patentee after: JIANGSU SERVICS NUMERICAL CONTROL SCIENCE & TECHNOLOGY CO.,LTD. Address before: No. 499, Shigong Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215138 Patentee before: JIANGSU SERVICS NUMERICAL CONTROL SCIENCE & TECHNOLOGY CO.,LTD. |