CN103706932A - Fixed-length method for section cutting - Google Patents
Fixed-length method for section cutting Download PDFInfo
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- CN103706932A CN103706932A CN201310675880.8A CN201310675880A CN103706932A CN 103706932 A CN103706932 A CN 103706932A CN 201310675880 A CN201310675880 A CN 201310675880A CN 103706932 A CN103706932 A CN 103706932A
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- section bar
- fixed length
- section
- rollgang
- cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
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Abstract
The invention provides a fixed-length method for section cutting. A rollgang pushes a section forwards, a sensor of a fixed-length cart descends along linear slide rails to just block the section, the front end of the section impacts on a sensor blocking plate, the sensor sends out a signal to two clamping cylinders which clamp the section, and the rollgang stops; a robot measures datum points of X, Y and Z axes to cut the section; the fixed-length cart automatically retreats to one operating area after the section is clamped, the clamping cylinders loosen the section till the robot cuts one operating area, the rollgang restarts, and the processes are repeated to cut a next operating area till the whole section is cut. The method can adapt to various sections and changes of section specifications and size, and is good in cutting quality, high in fixed-length precision and high in automation degree.
Description
Technical field
A kind of fixed length method that the present invention relates to section bar cutting, for surface trimming section bar, belongs to automatic machining equipment technical field.
Background technology
In shipbuilding, use section bar as keel, strengthen shell, section bar must carry out fixed length cutting processing before welding with shell, and fixed length cutting comprises that cutting goes out profile length and on section bar, cuts at a certain distance circular hole, elliptical aperture, discharge orifice.
The surface trimming of section bar can be placed on section bar on cutting bed, by numerical control cutting machine, carrys out surface trimming.The method is applicable to the plane cutting with flame oxygen, if when cutting and carrying out solid cutting with plasma, large-area smoke abatement and dust control facility, can significantly increase device fabrication cost.
The surface trimming of shipbuilding system section bar, is mostly placed on streamline and fixes a point to cut.Can do like this cutting room of a sealing, the flue dust that cutting is produced aspirates away from cutting room, by smoke abatement and dust control, discharges after up to standard again.
On streamline, cut section bar, classical fixed length method is the dolly by a digital driven by servomotor, on dolly, there is hydraulic clamping device, with hydraulic clamping device, " bite " section bar, dolly fixed length linear drives, drive section bar fixed length to move, it is very successful that the method is used in the cutting of single type section bar, for example be used in during steel pipe cuts off, the top tube wall that hydraulic clamping device on dolly is bitten pipe end pushes steel pipe, as steel pipe specifications vary, hydraulic clamping device is done corresponding rise and fall, can automatically bite tube wall.
As needs cut multiple section bar on same flow waterline, hydraulic clamping device Automatic-searching clamping point becomes the difficult problem in application.In shipbuilding, conventional section bar has band steel, flat-bulb steel, equal leg angle, unequal angle, T-steel etc., and the dimensions of every kind of section bar has tens kinds, and hydraulic clamping device Automatic-searching clamping point is absolutely not easy.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of variation that can adapt to all kinds of section bars and section bar specification, and cut quality is good, and fixed length precision is high, the fixed length method of the section bar cutting that automaticity is high.
In order to solve the problems of the technologies described above, technical scheme of the present invention is to provide a kind of fixed length method of section bar cutting, for section bar cutting streamline, it is characterized in that: section bar cutting streamline comprises bin stock frame, and bin stock frame is arranged on a side of rollgang; The installation of sensors of fixed length dolly is on one group of line slideway, and sensor bezel can be along this line slide rail oscilaltion, and oil cylinder promotes sensor to setting height; The fixed length method of section bar cutting is comprised of following 4 steps:
Step 1: section bar to be cut is placed on the bin stock frame of streamline, while starting working, the lateral transfer bar under bin stock frame lifts, and section bar is pushed to rollgang from bin stock frame;
Step 2: rollgang pushes section bar forward under the driving of drive unit;
Step 3: the sensor of fixed length dolly drops to the height that just in time blocks section bar along line slide rail, block above rollgang; Section bar front end bumps against sensor bezel, and sensor sends signal to clamping cylinder, and two clamping cylinders eject, and section bar is clamped, and rollgang stops carrying;
Step 4: the positional information that robot sends by the sensor of fixed length dolly is as the fixed length benchmark of X-axis, the laser range finder that robot carries is measured the limit of section bar as the fixed length benchmark of Y-axis, laser range finder is measured the face to be cut of section bar and the distance of cutting torch as the fixed length benchmark of Z axis, robot, with three datum marks of X-axis, Y-axis, Z axis, cuts section bar in order;
Press the working range definition operation area of robot, fixed length dolly after section bar is clamped, operation area of automatic backing, oil cylinder promotes sensor; Treat the complete operation area of robotic cutting, clamping cylinder unclamps, and rollgang is restarted, repeating step 2～step 4, and robot cuts next operation area; Cut operation area one by one, until cut whole section bar.
Preferably, in described step 1, rollgang is comprised of the roller of spaced set, and roller rotates under the driving of motor and decelerator, and section bar to be cut is pushed forward.
Preferably, in described step 2, the guide rail of fixed length dolly is processed by rectangular steel pipe, in the upper plane of rectangular steel pipe He on left surface, one group of line slideway is installed respectively, in the upper plane of rectangular steel pipe, tooth bar is also installed.
Preferably, described robot will remeasure out X-axis, Y-axis, three datum marks of Z axis before each operation area is cut.
The fixed length method of section bar cutting provided by the invention adopts roller-way automatic transport section bar, and cutting the first two oil cylinder clamps section bar; On fixed length dolly, feeler is installed, after section bar collision feeler, is fed back dolly position dimension; Robot carries limit and the height that laser range finder is measured shaped steel, and realizes the three-dimensional cutting in full position with the plasma cutting-torch of clamping.
Compared to existing technology, the beneficial effect of the fixed length method of section bar cutting provided by the invention is:
1, operation area of the every replacing of robot, all will remeasure and upgrade X, Y, Z coordinate basis, the coordinate basis of each operation area is that scene records immediately like this, is also correctly the most reliable, even if section bar has lateral bending or twisted phenomena, also can make cutting error minimize;
2, the cutting operation district of robot is between two oil cylinder clamping points, and the thermal deformation that cutting produces is retrained by two clamping points, can not cause the displacement of operation area coordinate basis;
3, robot can carry out solid, the cutting of full position in operation area, if the cutting vertical plane of T-steel is, the inclined plane of flat-bulb steel;
While 4, cutting, operating personnel do not need to enter cutting room, by robot, automatically complete cutting; Exhausting and smoke abatement and dust control are installed in cutting room, free from environmental pollution;
5, sensor is hit face liftable, can be suitable for the cutting of the numerous specifications of all kinds of section bars.
Accompanying drawing explanation
Fig. 1 is section bar cutting streamline front view;
Fig. 2 is section bar cutting streamline top view;
Fig. 3 is section bar cutting streamline left view;
Fig. 4 is cutting room front view;
Fig. 5 is cutting roof view.
The specific embodiment
For the present invention is become apparent, hereby with a preferred embodiment, and coordinate accompanying drawing to be described in detail below.
The section bar cutting streamline in a shipyard of take is example, this streamline can cut hundreds of specification of band steel, flat-bulb steel, equal leg angle, unequal angle, five kinds of section bars of T-steel, cutting HP * 300 * 12 flat-bulb steel of take is below example, narration specific embodiment of the invention method.
Fig. 1～Fig. 3 is respectively section bar cutting streamline front view, top view and left view.The roller diameter of rollgang 1 is φ 100mm, long 650mm, spacing 800mm.Robot 2 selects ABB AB to produce.CUT and cutting torch 13 are selected Hypon company product, model MAX200.
The guide rail of fixed length dolly 4 is processed by the rectangular steel pipe 5 of 200mm*200mm*12mm, in the upper plane of rectangular steel pipe 5 He on left surface, 1 group of first line slideway 9 is installed respectively, in the upper plane of rectangular steel pipe 5, tooth bar 10 is also installed.
In conjunction with Fig. 4 and Fig. 5, the sensor 3 of fixed length dolly 4 is arranged on one pair of second line slideway 12, and oil cylinder 11 promotes sensor 3 to needs height.
Workpiece requires: HP * 300 * 12 flat-bulb steel, and 12 meters of length, 25 ° of an end-grain cutting positive bevel, 25 ° of an end-grain cutting counter-slope mouth, uniform 10 100 * 50 elliptical apertures, elliptical aperture center is far from sideline 80mm.
There is HP * 300 * 12 flat-bulb steel, long 13 meters, can be for cutting.By driving, material is winched on bin stock frame 6, the lateral transfer bar 7 under bin stock frame lifts, and section bar is pushed to rollgang 1 from bin stock frame 6.
The roller turn of rollgang pushes section bar forward, fixed length dolly 4 is parked in from the place of center, operation area 1300mm, sensor 3 drops to the height that just in time blocks flat-bulb steel along line slide rail 12, block above rollgang, section bar front end bumps against sensor bezel, and sensor 3 sends signal, and two clamping cylinders 8 eject, section bar is clamped, and rollgang 1 stops carrying.
The positional information that robot 2 sends by the sensor of fixed length dolly 43 is as X-axis fixed length benchmark, the laser range finder 14 that robot 2 carries is measured the limit of section bar as the fixed length benchmark of Y-axis, laser range finder 14 is measured the face to be cut of section bar and the distance of cutting torch as the fixed length benchmark of Z axis, there have been X-axis, Y-axis, three datum marks of Z axis in robot 2, just can to section bar, cut in order.
The operation head of district 2000mm of robot, 25 ° of positive bevels are first being cut by robot from the place of stub bar 300mm, and after the stub bar of 300mm cuts, it is benchmark that later X-axis coordinate be take 25 ° of positive bevel places.Then from groove 1090.9mm place as X-axis coordinate, from 80mm place, sideline, as Y-axis coordinate, cut 100 * 50 elliptical apertures, oil cylinder 8 clamping and release, rollgang 1 is restarted, section bar reach, now fixed length dolly 4 is parked in from the place of center, operation area 3000mm, and 25 ° of positive bevels of section bar hit on the sensor 3 of fixed length dolly 4, sensor 3 sends signal, two clamping cylinders 8 eject, and section bar is clamped, and rollgang 1 stops carrying.Robot 2 is with new X-axis, Y-axis, three coordinate parameters of Z axis, on section bar, cut two 100 * 50 elliptical apertures, the centre-to-centre spacing of elliptical aperture is 1090.9mm, elliptical aperture is also 1090.9mm from the distance of groove termination, fixed length dolly 4 retreats 2000mm again, then cuts two 100 * 50 elliptical apertures ... finally cut 25 ° of counter-slope mouths.
Through measuring section bar overall length, be 12002mm, qualified; The centre-to-centre spacing of each elliptical aperture is 1090.9 ± 1.5mm, in scope, qualified.Whole ball band steel has 5mm lateral bending in 12 meters of length, but elliptical aperture center is all controlled within the scope of 80 ± 1.5mm far from sideline distance, as does not have each operation area to upgrade the function of coordinate, and 80 ± 1.5mm size cannot guarantee.
Main points of the present invention are: when section bar bumps against sensor, roller-way carries motor not stop at once, section bar also will hit for the second time under inertia force effect, for the third time, when oil cylinder clamps section bar, the displacement of section bar can make again section bar push away and hit sensor, and multiple impact will make fixed length dolly move, change original long parameter, during robotic cutting, after clashing into for the last time, be of a size of datum mark, eliminate so to greatest extent measure error, improved the precision of section bar fixed length cutting.
Claims (4)
1. a fixed length method for section bar cutting, for section bar cutting streamline, is characterized in that: section bar cutting streamline comprises bin stock frame, and bin stock frame is arranged on a side of rollgang (1); The sensor (3) of fixed length dolly (4) is arranged on one group of line slideway, and sensor bezel can be along this line slide rail oscilaltion, and oil cylinder (11) promotes sensor (3) to setting height; The fixed length method of section bar cutting is comprised of following 4 steps:
Step 1: section bar to be cut is placed on the bin stock frame of streamline, while starting working, the lateral transfer bar under bin stock frame lifts, and section bar is pushed to rollgang (1) from bin stock frame;
Step 2: rollgang (1) pushes section bar forward under the driving of drive unit;
Step 3: the sensor (3) of fixed length dolly (4) drops to the height that just in time blocks section bar along line slide rail, blocks in rollgang (1) top; Section bar front end bumps against sensor bezel, and sensor (3) sends signal to clamping cylinder (8), and two clamping cylinders (8) eject, and section bar is clamped, and rollgang (1) stops carrying;
Step 4: the positional information that robot (2) sends by the sensor of fixed length dolly (3) is as the fixed length benchmark of X-axis, the laser range finder that robot (2) carries is measured the limit of section bar as the fixed length benchmark of Y-axis, laser range finder is measured the face to be cut of section bar and the distance of cutting torch as the fixed length benchmark of Z axis, robot (2), with three datum marks of X-axis, Y-axis, Z axis, cuts section bar in order;
Press the working range definition operation area of robot, fixed length dolly (4) after section bar is clamped, operation area of automatic backing, oil cylinder (11) promotes sensor (3); Treat that robot (2) has cut an operation area, clamping cylinder (8) unclamps, and rollgang (1) is restarted, repeating step 2～step 4, and robot (2) cuts next operation area; Cut operation area one by one, until cut whole section bar.
2. the fixed length method that a kind of section bar as claimed in claim 1 cuts, it is characterized in that: in described step 1, rollgang (1) is comprised of the roller of spaced set, and roller rotates under the driving of motor and decelerator, and section bar to be cut is pushed forward.
3. the fixed length method that a kind of section bar as claimed in claim 1 cuts, it is characterized in that: in described step 2, the guide rail of fixed length dolly (4) is processed by rectangular steel pipe (5), in the upper plane of rectangular steel pipe (5) He on left surface, one group of line slideway is installed respectively, tooth bar (10) is also installed in the upper plane of rectangular steel pipe (5).
4. the fixed length method of a kind of section bar cutting as claimed in claim 1, is characterized in that: described robot will remeasure out X-axis, Y-axis, three datum marks of Z axis before each operation area is cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675880.8A CN103706932A (en) | 2013-12-11 | 2013-12-11 | Fixed-length method for section cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675880.8A CN103706932A (en) | 2013-12-11 | 2013-12-11 | Fixed-length method for section cutting |
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| Publication Number | Publication Date |
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| CN103706932A true CN103706932A (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310675880.8A Withdrawn CN103706932A (en) | 2013-12-11 | 2013-12-11 | Fixed-length method for section cutting |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070275A (en) * | 2014-06-12 | 2014-10-01 | 沪东中华造船(集团)有限公司 | Fixed-length system for precision cutting of large profiles for LNG (Liquefied Natural Gas) ship |
| CN104384690A (en) * | 2014-10-10 | 2015-03-04 | 沪东中华造船(集团)有限公司 | Length fixing method for profile cutting |
| CN104842052A (en) * | 2015-06-02 | 2015-08-19 | 宁波金凤焊割机械制造有限公司 | Main engine of flat-bulb steel cutting machine |
| CN104842053A (en) * | 2015-06-02 | 2015-08-19 | 宁波金凤焊割机械制造有限公司 | Flat-bulb steel cutting machine production line |
| CN105458451A (en) * | 2016-01-29 | 2016-04-06 | 成都鑫泽机械有限公司 | Fixed-dimension and fixed-angle cutting system and method for H-section steel |
| CN105599150A (en) * | 2015-12-28 | 2016-05-25 | 浙江开元新型墙体材料有限公司 | Side scrap longitudinal cutting and positioning device for autoclaved sand aerated board |
| CN105983805A (en) * | 2015-06-01 | 2016-10-05 | 绍兴文理学院 | Automatic laser sizing cutter for aluminum profiles |
| CN109175794A (en) * | 2018-08-03 | 2019-01-11 | 杭州友邦焊锡材料有限公司 | The automation integrated machine of tin bar |
| CN110125528A (en) * | 2019-05-10 | 2019-08-16 | 成都固特机械有限责任公司 | A kind of laser ranging automatic cut-to-length control method |
| CN110899897A (en) * | 2019-10-29 | 2020-03-24 | 新兴铸管股份有限公司 | Infrared monitoring control method for continuous casting flame cutting and post-cutting conveying device |
| CN112882463A (en) * | 2021-01-11 | 2021-06-01 | 成都海瑞斯轨道交通设备有限公司 | Cutting robot system for overhauling wagon body of railway wagon |
| CN114043574A (en) * | 2021-11-19 | 2022-02-15 | 山东银丰生命科学研究院 | Device and method for self-adaptively cutting articles by using robot water jet |
-
2013
- 2013-12-11 CN CN201310675880.8A patent/CN103706932A/en not_active Withdrawn
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070275A (en) * | 2014-06-12 | 2014-10-01 | 沪东中华造船(集团)有限公司 | Fixed-length system for precision cutting of large profiles for LNG (Liquefied Natural Gas) ship |
| CN104384690A (en) * | 2014-10-10 | 2015-03-04 | 沪东中华造船(集团)有限公司 | Length fixing method for profile cutting |
| CN105983805A (en) * | 2015-06-01 | 2016-10-05 | 绍兴文理学院 | Automatic laser sizing cutter for aluminum profiles |
| CN104842052A (en) * | 2015-06-02 | 2015-08-19 | 宁波金凤焊割机械制造有限公司 | Main engine of flat-bulb steel cutting machine |
| CN104842053A (en) * | 2015-06-02 | 2015-08-19 | 宁波金凤焊割机械制造有限公司 | Flat-bulb steel cutting machine production line |
| CN104842053B (en) * | 2015-06-02 | 2017-05-17 | 宁波金凤焊割机械制造有限公司 | Flat-bulb steel cutting machine production line |
| CN104842052B (en) * | 2015-06-02 | 2017-05-17 | 宁波金凤焊割机械制造有限公司 | Main engine of flat-bulb steel cutting machine |
| CN105599150B (en) * | 2015-12-28 | 2018-10-12 | 浙江开元新型墙体材料有限公司 | The longitudinal sectional rim charge positioning device of steam pressure sand aerating plank |
| CN105599150A (en) * | 2015-12-28 | 2016-05-25 | 浙江开元新型墙体材料有限公司 | Side scrap longitudinal cutting and positioning device for autoclaved sand aerated board |
| CN105458451A (en) * | 2016-01-29 | 2016-04-06 | 成都鑫泽机械有限公司 | Fixed-dimension and fixed-angle cutting system and method for H-section steel |
| CN109175794A (en) * | 2018-08-03 | 2019-01-11 | 杭州友邦焊锡材料有限公司 | The automation integrated machine of tin bar |
| CN110125528A (en) * | 2019-05-10 | 2019-08-16 | 成都固特机械有限责任公司 | A kind of laser ranging automatic cut-to-length control method |
| CN110899897A (en) * | 2019-10-29 | 2020-03-24 | 新兴铸管股份有限公司 | Infrared monitoring control method for continuous casting flame cutting and post-cutting conveying device |
| CN110899897B (en) * | 2019-10-29 | 2021-07-23 | 新兴铸管股份有限公司 | Infrared monitoring control method for continuous casting flame cutting and post-cutting conveying device |
| CN112882463A (en) * | 2021-01-11 | 2021-06-01 | 成都海瑞斯轨道交通设备有限公司 | Cutting robot system for overhauling wagon body of railway wagon |
| CN114043574A (en) * | 2021-11-19 | 2022-02-15 | 山东银丰生命科学研究院 | Device and method for self-adaptively cutting articles by using robot water jet |
| CN114043574B (en) * | 2021-11-19 | 2024-05-28 | 山东银丰生命科学研究院 | Method for self-adaptively cutting articles by using robot water knife |
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Application publication date: 20140409 |