CN115922113A - Laser opening positioning method and opener - Google Patents
Laser opening positioning method and opener Download PDFInfo
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- CN115922113A CN115922113A CN202310050981.XA CN202310050981A CN115922113A CN 115922113 A CN115922113 A CN 115922113A CN 202310050981 A CN202310050981 A CN 202310050981A CN 115922113 A CN115922113 A CN 115922113A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 120
- 239000010959 steel Substances 0.000 claims abstract description 120
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 230000000694 effects Effects 0.000 claims abstract description 23
- 238000004088 simulation Methods 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000010586 diagram Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to the technical field of ladle laser processing, and particularly discloses a laser opening positioning method and a laser opening device, wherein the laser opening positioning method comprises the following steps: placing the steel ladle on a jig platform, establishing a three-dimensional coordinate system by using a jig platform plane, and establishing a peripheral outline drawing of the steel ladle through a scanner; marking a shell area of a shell steel plate in a peripheral outline drawing based on the thickness of the shell steel plate used by the steel ladle, and sequentially constructing an insulating layer, an inner lining and a working layer in the shell area; recording coordinate data sets of a shell area, a heat insulation layer, a lining and each part of a working layer which form a steel ladle; constructing a water outlet hole in a shell area based on a three-dimensional simulation effect diagram of the steel ladle, and sending the position coordinate of the water outlet hole to a controller; the controller controls the track of the laser opening device and the laser power to complete the opening. This application is through the motion trail and the laser power of control laser opening dress to guarantee at a trompil in-process, completion that can be automatic is to the opening of each position apopore.
Description
Technical Field
The invention relates to the technical field of ladle laser processing, in particular to a laser opening positioning method and a mouth gag.
Background
Ladles (ladles, ladles and ladles) are mainly used in the steel making industry for containing molten steel, and further process operations such as refining treatment and the like are carried out on the molten steel in the ladles. The ladle is a large steel casting. The ladle mainly comprises three parts, namely a shell, a lining and a sliding water gap. The lining is mainly a layer of steel plate, in order to prevent the molten steel from burning through the ladle; the working layer is directly contacted with molten steel and slag, and can be directly affected by mechanical scouring and rapid cooling and heating, so that the ladle is easy to peel off, and the service life of the ladle is related to the quality of the layer. In the molten steel melting process, a large amount of water vapor is generally generated, if the water vapor cannot be completely discharged, the defects of product quality can be generated when the water vapor is used in a product, the aperture of a water outlet of a steel ladle is generally required to be small and accurate, the drilling of a traditional drilling machine cannot meet the precision requirement, and openings cannot be uniformly arranged.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a laser opening positioning method and a mouth gag.
The technical scheme adopted by the invention is as follows:
the invention provides a laser opening positioning method, which comprises the following steps:
1) Placing the steel ladle on a jig platform, arranging a mark line on the jig platform to determine the placing position of the steel ladle on the jig platform, scanning the steel ladle by using a scanner, establishing a three-dimensional coordinate system by using the plane of the jig platform, and performing three-dimensional scanning on the steel ladle by using the scanner to establish a peripheral outline drawing of the steel ladle;
2) Marking a shell area of the shell steel plate in a peripheral outline drawing based on the thickness of the shell steel plate used by the steel ladle, constructing a heat-insulating layer in the shell area, constructing a lining in the heat-insulating layer, and constructing a working layer on the inner side of the lining; constructing a three-dimensional simulation effect graph of the steel ladle according to the three-dimensional simulation effect graph; recording coordinate data sets of the shell area, the heat insulation layer, the lining and each part of the working layer which form the steel ladle;
3) Building water outlet holes in a shell area based on a three-dimensional simulation effect diagram of the steel ladle, building the aperture and the depth of the water outlet holes, and calibrating the position coordinate of each water outlet hole based on a coordinate data set; sending the position coordinates of each water outlet hole to a controller of the laser opening device;
4) The controller sets first laser power of the laser opening device based on the set aperture and depth of the water outlet, so that when the laser opening device is used for opening holes, the set first laser power enables laser beams to be accurately punctured to the working layer from the shell area; and the controller determines the initial position of the initial water outlet hole on the shell area by setting a marking line on the jig platform, the controller calibrates the second position of the second water outlet hole based on the initial position of the initial water outlet hole, calibrates the third position of the third water outlet hole by the second position of the second water outlet hole, and so on, thereby setting the motion track of the laser opening device.
Further, in step 3), the method further comprises: calibrating a first region of a working layer and a second region of a lining at the position of a sliding nozzle of a ladle based on a three-dimensional simulation effect diagram of the ladle, respectively obtaining coordinate sets of the first region and the second region based on a coordinate data set, and sending the coordinate sets of the first region and the second region to a controller;
and step 4 further comprises: the controller sets the second laser power of the laser opening device based on the thickness of the working layer, so that the set second laser power cannot break down the working layer when the laser opening device opens the groove along the center of the sliding water gap.
The present invention also provides a mouth gag, comprising:
the jig platform is used for placing the steel ladle;
setting a marking line on the jig platform, wherein the marking line is used for calibrating the specific position of the steel ladle on the jig platform;
the two sides of the jig platform are provided with brackets, the brackets are provided with moving mechanisms, and the moving mechanisms are provided with scanners and laser opening devices;
the moving mechanism is used for driving the scanner and the laser opening device X, Y, Z to move so as to complete the scanning of the steel ladle and the opening of the water outlet and the notch;
a controller having a first control section and a second control section;
the first control part is provided with a first control module which is used for controlling the moving mechanism to move along the X, Y, Z axis in the process that the scanner scans the steel ladle;
the second control part is provided with a motion logic control module and a second control module;
the motion logic control module is used for setting a first laser power of the laser opening device based on the set aperture and depth of the water outlet, and the set first laser power enables a laser beam to be punctured to the working layer from the shell area accurately; the motion logic control module determines the initial position of an initial water outlet hole in the shell area by setting a marking line on the jig platform, calibrates the second position of a second water outlet hole based on the initial position of the initial water outlet hole, calibrates the third position of a third water outlet hole based on the second position of the second water outlet hole, and so on, thereby setting the motion track of the laser opening device;
the first laser power is matched one by one according to each water outlet, and forms a control logic together with the motion trail, and sends the control logic to a second control module,
and the second control module completes the opening operation of the water outlets according to the motion track and the first laser power corresponding to each water outlet.
Furthermore, the left side, the right side, the front side and the rear side of the jig platform are respectively provided with a positioning cylinder, the first control module is provided with a stroke control unit of the positioning cylinder, and the positioning cylinder moves the steel ladle to a set position of the jig platform under the control of the stroke control unit.
Further, the moving mechanism includes:
the X-axis linear guide post device comprises a movable support, wherein a square frame body is arranged above the movable support, two groups of X-axis supports are respectively arranged on two sides of the frame body, an X-axis linear guide screw is arranged on one group of X-axis supports, an X-axis auxiliary guide post is arranged on the other group of X-axis supports, and an X-axis driving motor is arranged at the position of the X-axis linear guide screw;
an X-axis sliding block is arranged on the X-axis linear lead screw, an X-axis linear nut is embedded in the X-axis sliding block, and an X-axis sliding hole is formed in one side of the X-axis linear nut, wherein one end of the X-axis sliding hole is installed on the X-axis auxiliary guide pillar, and one end of the X-axis linear nut is installed on the X-axis linear lead screw;
two groups of Y-axis supports are arranged at the lower parts of the two sliding blocks, wherein a Y-axis linear lead screw is arranged on one group of Y-axis supports, a Y-axis auxiliary guide post is arranged on the other group of Y-axis supports, a Y-axis driving motor is arranged at the Y-axis linear lead screw, and the Y-axis driving motor is arranged on one Y-axis support;
a Y-axis slide block, wherein a Y-axis linear nut is embedded in the Y-axis slide block, and a Y-axis slide hole is arranged on one side of the Y-axis linear nut, wherein one end of the Y-axis slide hole is arranged on the Y-axis auxiliary guide pillar, and one end of the Y-axis linear nut is arranged on the Y-axis linear lead screw;
a telescopic cylinder is arranged at the lower part of the Y-axis sliding block, a substrate is arranged at the lower part of the telescopic cylinder, and a scanner and a laser opening device are arranged at the lower part of the substrate.
Further, the motion logic control module is further configured to set a second laser power of the laser opening device based on the thickness of the working layer, so that the set second laser power does not break down the working layer when the laser opening device opens a groove along the center of the sliding gate.
In this application, through placing the ladle on the tool platform, through 4 location cylinders that set up on the tool platform move together, set for the stroke of each location cylinder is unanimous, places the ladle after on the tool platform, and pneumatic location cylinder moves, and 4 location cylinders just can remove the ladle to the settlement position of tool platform. The ladle does not need to be moved repeatedly for initial position positioning.
After the steel ladle is placed on the platform, the first control unit controls the moving mechanism to move along a X, Y, Z shaft so as to drive the scanner to scan the steel ladle, and during scanning, the scanner takes a mark line arranged on the jig platform as a reference to calibrate an initial scanning position; the method comprises the steps of establishing a three-dimensional coordinate system by using a jig platform plane, carrying out three-dimensional scanning on a steel ladle by using a scanner to establish a peripheral outline drawing of the steel ladle, and determining the thickness of a steel plate used in a shell area of different steel ladles, so that the shell area and the thickness of the shell area of a shell steel plate are marked in the peripheral outline drawing based on the thickness of the shell steel plate used by the steel ladle, and the setting of a heat-insulating layer, the setting of an inner lining and the setting of a working layer of each steel ladle are also determined, so that the heat-insulating layer, the inner lining and the working layer can be constructed in the peripheral outline drawing according to the determined thickness of the shell area and the shell area; constructing a three-dimensional simulation effect graph of the ladle according to the three-dimensional simulation effect graph; recording coordinate data sets of the shell area, the heat insulation layer, the lining and each part of the working layer which form the steel ladle; building water outlet holes and positions of the water outlets in a shell area based on a three-dimensional simulation effect diagram of the steel ladle, and calibrating position coordinates of the water outlet holes based on a coordinate data set, wherein the steel ladle has certain difference in overall thickness at different positions, so that the water outlet holes at different positions have different aperture requirements and depths; in the process of tapping the water outlet, the required set laser power is different, the laser power is larger in the area with a thicker ladle thickness to ensure that the whole ladle can be punctured, and the laser power is smaller in the area with a thinner ladle thickness to ensure that the working layer of the steel ladle on the opposite side cannot be damaged while the whole ladle can be punctured; that is to say, each apopore should correspond a definite laser power, simultaneously, according to the movement track of the position stroke laser opening device of each apopore to guarantee in the trompil in-process, can automatic completion to the opening of each position apopore.
Generally, the position of the water outlet hole is arranged along the upper part of the ladle, and the aperture of the water outlet hole is required to be generally set to be 3-10 mm in order to ensure the smooth discharge of baking moisture.
Drawings
The invention is illustrated and described only by way of example and not by way of limitation in the scope of the invention as set forth in the following drawings, in which:
FIG. 1 is a schematic flow diagram of a process of the present invention;
FIG. 2 is a schematic view of the apparatus of the present invention;
in the figure: 1. a jig platform; 2. a ladle; 3. positioning the air cylinder; 4. a support; 5. moving the support; 6. a frame body; 7. an X-axis support; 8. an X-axis linear lead screw; 9. an X-axis auxiliary guide post; 10. an X-axis drive motor; 11. an X-axis slider; 12. a Y-axis support; 13. a Y-axis linear lead screw; 14. a Y-axis auxiliary guide post; 15. a telescopic cylinder; 16. a substrate; 17. a scanner; 18. a laser opening device; 19. and a Y-axis slider.
Detailed Description
In order to make the objects, technical solutions, design methods, and advantages of the present invention more apparent, the present invention will be further described in detail by specific embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The ladle that this application set up mainly comprises triplex: the outer casing, inside lining and sliding gate valve.
Generally, in the manufacturing process of the steel ladle, the shell of the steel ladle is formed by welding cast steel plates, and the thicknesses of the steel plates on the wall and the bottom of the ladle are between 15-31 mm and 23-41 mm. Reinforcing ribs and reinforcing hoops are specially welded at the waist part of the ladle shell.
The lining of the ladle mainly comprises a heat-insulating layer, a lining steel plate and a working layer. The heat-insulating layer is mainly used for reducing the loss of heat; the lining steel plate is mainly used for preventing molten steel from burning through a ladle; the working layer is directly contacted with molten steel and slag, and the sliding water gap of the ladle is used for controlling the size of molten steel flow and further controlling the height of the liquid level of the tundish.
Based on the steel ladle, the application provides a technology for processing the steel ladle, in particular to a technology for opening water outlet holes in the steel ladle by laser.
Example 1
Referring to fig. 1 to 2, the present invention provides a laser opening positioning method, including:
1) Placing the steel ladle on a jig platform, arranging a mark line on the jig platform to determine the placing position of the steel ladle on the jig platform, scanning the steel ladle by using a scanner, establishing a three-dimensional coordinate system by using the plane of the jig platform, and performing three-dimensional scanning on the steel ladle by using the scanner to establish a peripheral outline drawing of the steel ladle;
2) Marking a shell area of the shell steel plate in a peripheral outline drawing based on the thickness of the shell steel plate used by the steel ladle, constructing a heat-insulating layer in the shell area, constructing a lining in the heat-insulating layer, and constructing a working layer on the inner side of the lining; constructing a three-dimensional simulation effect graph of the ladle according to the three-dimensional simulation effect graph; recording coordinate data sets of the shell area, the heat insulation layer, the lining and each part of the working layer which form the steel ladle;
3) Building water outlet holes in a shell area based on a three-dimensional simulation effect diagram of a steel ladle, building the aperture and the depth of each water outlet hole, and calibrating the position coordinate of each water outlet hole based on a coordinate data set; sending the position coordinates of each water outlet hole to a controller of the laser opening device;
4) The controller sets first laser power of the laser opening device based on the set aperture and depth of the water outlet, so that when the laser opening device is used for opening holes, the set first laser power enables laser beams to be accurately punctured to the working layer from the shell area; and the controller determines the initial position of the initial water outlet hole on the shell area by setting a marking line on the jig platform, the controller calibrates the second position of the second water outlet hole based on the initial position of the initial water outlet hole, calibrates the third position of the third water outlet hole by the second position of the second water outlet hole, and so on, thereby setting the motion track of the laser opening device.
Further, in step 3), the method further comprises: calibrating a first region of a working layer and a second region of a lining at the position of a sliding nozzle of a ladle based on a three-dimensional simulation effect diagram of the ladle, respectively obtaining coordinate sets of the first region and the second region based on a coordinate data set, and sending the coordinate sets of the first region and the second region to a controller;
and step 4 further comprises: the controller sets a second laser power of the laser opening device based on the thickness of the working layer, so that the set second laser power cannot puncture the working layer when the laser opening device opens the groove along the center of the sliding water gap.
In the above, the left side, the right side, the front side and the rear side of the jig platform are respectively provided with a positioning cylinder, the first control module is provided with a stroke control unit of the positioning cylinder, and the positioning cylinder moves the steel ladle to a set position of the jig platform under the control of the stroke control unit. Through placing the ladle on the tool platform, through 4 location cylinders that set up on the tool platform act together, set for the stroke of each location cylinder is unanimous, places the ladle on the tool platform after, and pneumatic location cylinder acts, and 4 location cylinders just can remove the ladle to the settlement position of tool platform. The ladle does not need to be moved repeatedly for initial position positioning.
After the steel ladle is placed on the platform, the first control unit controls the moving mechanism to move along the X, Y, Z shaft to drive the scanner to scan the steel ladle, and during scanning, the scanner takes a mark line arranged on the jig platform as a reference to calibrate the initial scanning position; the method comprises the steps of establishing a three-dimensional coordinate system by using a jig platform plane, performing three-dimensional scanning on a steel ladle by using a scanner to establish a peripheral outline drawing of the steel ladle, and determining the thickness of a steel plate used in a shell area of different steel ladles, so that the thickness of the shell area and the thickness of the shell area of a shell steel plate are marked in the peripheral outline drawing based on the thickness of the shell steel plate used by the steel ladle, and the setting of a heat-insulating layer, the setting of an inner lining and the setting of a working layer of each steel ladle are also determined, so that the heat-insulating layer, the inner lining and the working layer can be constructed in the peripheral outline drawing according to the determined thickness of the shell area and the shell area; constructing a three-dimensional simulation effect graph of the steel ladle according to the three-dimensional simulation effect graph; recording coordinate data sets of the shell area, the heat insulation layer, the lining and each part of the working layer which form the steel ladle; building water outlet holes and the positions of the water outlets in a shell area based on a three-dimensional simulation effect diagram of the steel ladle, calibrating the position coordinates of the water outlet holes based on a coordinate data set, and having different requirements on the aperture and the depth of the water outlet holes at different positions due to certain differences of the overall thickness of the steel ladle at different positions; in the process of tapping the water outlet, the required set laser power is different, the laser power is larger in the area with a thicker ladle thickness to ensure that the whole ladle can be punctured, and the laser power is smaller in the area with a thinner ladle thickness to ensure that the working layer of the steel ladle on the opposite side cannot be damaged while the whole ladle can be punctured; that is to say, each apopore should correspond a definite laser power, simultaneously, according to the movement track of the position stroke laser opening device of each apopore to guarantee in the trompil in-process, can automatic completion to the opening of each position apopore.
Example 2
Embodiment 2 is a basic part of embodiment 1, and in order to ensure that embodiment 1 can be effectively implemented, the present invention further provides a mouth gag, as shown in fig. 2, comprising:
the jig platform 1 is used for placing the steel ladle 2;
arranging a marking line on the jig platform 1, wherein the marking line is used for calibrating the specific position of the steel ladle 2 on the jig platform 1;
the two sides of the jig platform 1 are provided with brackets 4, the brackets 4 are provided with a moving mechanism, and the moving mechanism is provided with a scanner 17 and a laser opening device 18;
the moving mechanism is used for driving the scanner 17 and the laser opening device 18X, Y, Z to move axially so as to complete the scanning of the steel ladle 2 and the opening of the water outlet and the notch;
a controller having a first control section and a second control section;
the first control part is provided with a first control module which is used for controlling the moving mechanism to move along the X, Y, Z axis in the process that the scanner 17 scans the steel ladle 2;
the second control part is provided with a motion logic control module and a second control module;
the motion logic control module is used for setting a first laser power of the laser opening device 18 based on the set aperture and depth of the water outlet, and the set first laser power enables a laser beam to be accurately punctured to the working layer from the shell area; the motion logic control module determines the initial position of the initial water outlet hole on the shell area by setting a marking line on the jig platform 1, calibrates the second position of the second water outlet hole based on the initial position of the initial water outlet hole, calibrates the third position of the third water outlet hole based on the second position of the second water outlet hole, and so on, thereby setting the motion track of the laser opening device 18;
the first laser power is matched one by one according to each water outlet, and forms a control logic together with the motion trail, and sends the control logic to a second control module,
and the second control module finishes the opening operation of the water outlets according to the motion track and the first laser power corresponding to each water outlet.
Furthermore, the left side, the right side, the front side and the rear side of the jig platform 1 are respectively provided with a positioning cylinder 3, a stroke control unit of the positioning cylinder 3 is arranged on the first control module, and the positioning cylinder 3 moves the steel ladle 2 to a set position of the jig platform 1 under the control of the stroke control unit.
Further, the moving mechanism includes:
the X-axis linear guide device comprises a movable support 5, wherein a square frame body 6 is arranged above the movable support 5, two groups of X-axis supports 7 are respectively arranged on two sides of the frame body 6, an X-axis linear lead screw 8 is arranged on one group of X-axis supports 7, an X-axis auxiliary guide post 9 is arranged on the other group of X-axis supports 7, and an X-axis driving motor 10 is arranged at the position of the X-axis linear lead screw 8;
an X-axis slider 11 is arranged on the X-axis linear lead screw 8, an X-axis linear nut is embedded in the X-axis slider 11, the X-axis linear nut is in threaded connection with the X-axis linear lead screw 8, and an X-axis sliding hole is formed in one side of the X-axis linear nut, wherein one end of the X-axis sliding hole is installed on the X-axis auxiliary guide pillar 9, and one end of the X-axis linear nut is installed on the X-axis linear lead screw 8;
two groups of Y-axis supports 12 are arranged at the lower parts of the two sliding blocks, wherein a Y-axis linear lead screw 13 is arranged on one group of Y-axis supports 12, a Y-axis auxiliary guide post 14 is arranged on the other group of Y-axis supports 12, a Y-axis driving motor is arranged at the Y-axis linear lead screw 13, and the Y-axis driving motor is arranged on one Y-axis support 12;
a Y-axis linear nut is embedded in the Y-axis sliding block 19 and one side of the Y-axis linear nut is provided with a Y-axis sliding hole, wherein one end of the Y-axis sliding hole is arranged on the Y-axis auxiliary guide post 14, and one end of the Y-axis linear nut is arranged on the Y-axis linear lead screw 13;
a telescopic cylinder 15 is provided below the Y-axis slider 19, a substrate 16 is provided below the telescopic cylinder 15, and a scanner 17 and a laser opening device 18 are provided below the substrate 16.
The process that the moving mechanism is used for driving the scanner 17 and the laser opening device 18X, Y, Z to move comprises the following steps: x axle driving motor 10 drives X axle linear lead screw 8 and rotates, and then drives X axle slider 11 and makes linear motion on X axle linear lead screw 8, for the accuracy nature of guaranteeing the motion of X axle slider 11, this application adopts X axle auxiliary guide pillar 9 to play the effect of location direction, and X axle driving motor 10's corotation and reversal have realized the linear reciprocating motion (X axle motion) of X axle slider 11. The movement of the X-axis slider 11 completes the X-axis movement of the scanner 17 and the laser opening device 18 based on the connection relationship of the scanner 17 and the laser opening device 18 with the moving mechanism.
Because the Y-axis support 12 is arranged at the lower part of the X-axis slide block 11, the Y-axis support 12 moves along with the X-axis slide block 11 in an X-axis manner, the Y-axis drive motor drives the Y-axis linear lead screw 13 to rotate, and further drives the Y-axis slide block 19 to move linearly on the Y-axis linear lead screw 13, in order to ensure the movement accuracy of the Y-axis slide block 19, the Y-axis auxiliary guide pillar 14 is adopted to play a role in positioning and guiding, and the linear reciprocating motion (Y-axis motion) of the Y-axis slide block 19 is realized by the positive rotation and the reverse rotation of the Y-axis drive motor. The movement of the Y-axis slider 19 is completed based on the connection relationship of the scanner 17 and the laser opening device 18 with the moving mechanism.
Because telescopic cylinder 15 is located the lower part of Y axle slider 19, consequently telescopic cylinder 15 is the Y axle motion along with Y axle slider 19, and telescopic cylinder 15's drive end is connected with base plate 16, and scanner 17 and laser opening device 18 set up on base plate 16, and telescopic cylinder 15 drives base plate 16 and has accomplished the removal of scanner 17 and laser opening device 18Z axle when reciprocating.
Further, the motion logic control module is further configured to set a second laser power of the laser opening device 18 based on the thickness of the working layer, so that when the laser opening device 18 slots along the center of the sliding gate, the set second laser power does not puncture the working layer.
In this application, through placing ladle 2 on tool platform 1, through 4 location cylinders 3 that set up on tool platform 1 move together, set for the stroke of each location cylinder 3 is unanimous, places ladle 2 on tool platform 1 after, and pneumatic location cylinder 3 moves, and 4 location cylinders 3 just can remove ladle 2 to the settlement position of tool platform 1. The initial position location is performed without repeatedly moving the ladle 2.
After the steel ladle 2 is placed on the platform, the first control unit controls the moving mechanism to move along the X, Y, Z shaft to drive the scanner 17 to scan the steel ladle 2, and during scanning, the scanner 17 takes a mark line arranged on the jig platform 1 as a reference to calibrate the initial scanning position; a three-dimensional coordinate system is established by a plane of the jig platform 1, the steel ladle 2 is scanned in three dimensions by the scanner 17 to establish a peripheral outline drawing of the steel ladle 2, and for different steel ladles 2, the thickness of the steel plate used in the shell area is determined, so that the shell area of the shell steel plate and the thickness of the shell area are marked in the peripheral outline drawing based on the thickness of the shell steel plate used by the steel ladle 2, and the setting of the heat-insulating layer, the setting of the lining and the setting of the working layer of each steel ladle 2 are also determined, so that the heat-insulating layer, the lining and the working layer can be established in the peripheral outline drawing according to the determined thickness of the shell area and the shell area; constructing a three-dimensional simulation effect graph of the ladle 2 according to the three-dimensional simulation effect graph; recording coordinate data sets of the shell area, the heat insulation layer, the lining and each part of the working layer which form the steel ladle 2; building water outlet holes and positions of the water outlets in a shell area based on a three-dimensional simulation effect diagram of the steel ladle 2, and calibrating position coordinates of the water outlet holes based on a coordinate data set, wherein the overall thicknesses of the steel ladle 2 at different positions have certain differences, so that the aperture requirements and the depths of the water outlet holes at different positions are different; in the process of opening the water outlet, the set laser power is required to be different, the laser power is larger in the area with a little thick steel ladle 2, the whole steel ladle 2 can be punctured, and the laser power is smaller in the area with a little thin steel ladle 2, so that the working layer of the steel ladle on the opposite side cannot be damaged while the whole steel ladle 2 can be punctured; that is to say, each water outlet hole corresponds to a certain laser power, and simultaneously, according to the movement track of the position stroke laser opening device 18 of each water outlet hole, the opening of each position water outlet hole can be automatically completed in one hole opening process.
Generally, the position of the water outlet hole is arranged along the upper part of the ladle, and the aperture of the water outlet hole is required to be generally set to be 3-10 mm in order to ensure the smooth discharge of baking moisture.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (6)
1. The laser opening positioning method is characterized by comprising the following steps:
1) Placing the steel ladle on a jig platform, arranging a mark line on the jig platform to determine the placing position of the steel ladle on the jig platform, scanning the steel ladle by using a scanner, establishing a three-dimensional coordinate system by using the plane of the jig platform, and performing three-dimensional scanning on the steel ladle by using the scanner to establish a peripheral outline drawing of the steel ladle;
2) Marking a shell area of the shell steel plate in a peripheral outline drawing based on the thickness of the shell steel plate used by the steel ladle, constructing a heat-insulating layer in the shell area, constructing a lining in the heat-insulating layer, and constructing a working layer on the inner side of the lining; constructing a three-dimensional simulation effect graph of the steel ladle according to the three-dimensional simulation effect graph; recording coordinate data sets of the shell area, the heat insulation layer, the lining and each part of the working layer which form the steel ladle;
3) Building water outlet holes in a shell area based on a three-dimensional simulation effect diagram of the steel ladle, building the aperture and the depth of the water outlet holes, and calibrating the position coordinate of each water outlet hole based on a coordinate data set; sending the position coordinates of each water outlet hole to a controller of the laser opening device;
4) The controller sets first laser power of the laser opening device based on the set aperture and depth of the water outlet, so that when the laser opening device is used for opening holes, the set first laser power enables laser beams to be accurately punctured to the working layer from the shell area; and the controller determines the initial position of the initial water outlet hole on the shell area by setting a marking line on the jig platform, the controller calibrates the second position of the second water outlet hole based on the initial position of the initial water outlet hole, calibrates the third position of the third water outlet hole by the second position of the second water outlet hole, and so on, thereby setting the motion track of the laser opening device.
2. The laser aperture positioning method according to claim 1, further comprising, in step 3): calibrating a first region of a working layer and a second region of a lining at the position of a sliding nozzle of a ladle based on a three-dimensional simulation effect diagram of the ladle, respectively obtaining coordinate sets of the first region and the second region based on a coordinate data set, and sending the coordinate sets of the first region and the second region to a controller;
and step 4 further comprises: the controller sets the second laser power of the laser opening device based on the thickness of the working layer, so that the set second laser power cannot break down the working layer when the laser opening device opens the groove along the center of the sliding water gap.
3. The mouth gag, its characterized in that includes:
the jig platform is used for placing the steel ladle;
setting a marking line on the jig platform, wherein the marking line is used for calibrating the specific position of the steel ladle on the jig platform;
the two sides of the jig platform are provided with brackets, the brackets are provided with moving mechanisms, and the moving mechanisms are provided with scanners and laser opening devices;
the moving mechanism is used for driving the scanner and the laser opening device X, Y, Z to move so as to complete the scanning of the steel ladle and the opening of the water outlet and the notch;
a controller having a first control section and a second control section;
the first control part is provided with a first control module which is used for controlling the moving mechanism to move along the X, Y, Z axis in the process that the scanner scans the steel ladle;
the second control part is provided with a motion logic control module and a second control module;
the motion logic control module is used for setting a first laser power of the laser opening device based on the set aperture and depth of the water outlet, and the set first laser power enables a laser beam to be accurately punctured to the working layer from the shell area; the motion logic control module determines the initial position of an initial water outlet hole in the shell area by setting a marking line on the jig platform, calibrates the second position of a second water outlet hole based on the initial position of the initial water outlet hole, calibrates the third position of a third water outlet hole based on the second position of the second water outlet hole, and so on, thereby setting the motion track of the laser opening device;
the first laser power is matched one by one according to each water outlet, and forms a control logic together with the motion trail, and sends the control logic to a second control module,
and the second control module completes the opening operation of the water outlets according to the motion track and the first laser power corresponding to each water outlet.
4. The mouth gag of claim 3, wherein the left and right sides and the front and rear sides of the jig platform are respectively provided with a positioning cylinder, the first control module is provided with a stroke control unit of the positioning cylinder, and the positioning cylinder moves the ladle to a set position of the jig platform under the control of the stroke control unit.
5. The mouth gag of claim 3, wherein the moving mechanism comprises:
the X-axis linear guide post device comprises a movable support, wherein a square frame body is arranged above the movable support, two groups of X-axis supports are respectively arranged on two sides of the frame body, an X-axis linear guide screw is arranged on one group of X-axis supports, an X-axis auxiliary guide post is arranged on the other group of X-axis supports, and an X-axis driving motor is arranged at the position of the X-axis linear guide screw;
an X-axis sliding block is arranged on the X-axis linear lead screw, an X-axis linear nut is embedded in the X-axis sliding block, and an X-axis sliding hole is formed in one side of the X-axis linear nut, wherein one end of the X-axis sliding hole is installed on the X-axis auxiliary guide pillar, and one end of the X-axis linear nut is installed on the X-axis linear lead screw;
two groups of Y-axis supports are arranged at the lower parts of the two sliding blocks, wherein a Y-axis linear lead screw is arranged on one group of Y-axis supports, a Y-axis auxiliary guide post is arranged on the other group of Y-axis supports, a Y-axis driving motor is arranged at the Y-axis linear lead screw, and the Y-axis driving motor is arranged on one Y-axis support;
a Y-axis linear nut is embedded in the Y-axis sliding block, and a Y-axis sliding hole is formed in one side of the Y-axis linear nut, wherein one end of the Y-axis sliding hole is installed on the Y-axis auxiliary guide pillar, and one end of the Y-axis linear nut is installed on the Y-axis linear lead screw;
a telescopic cylinder is arranged at the lower part of the Y-axis sliding block, a substrate is arranged at the lower part of the telescopic cylinder, and a scanner and a laser opening device are arranged at the lower part of the substrate.
6. The opener of claim 3, wherein the motion logic control module is further configured to set a second laser power of the laser opening device based on the thickness of the working layer such that the set second laser power does not break down the working layer when the laser opening device is grooved along the center of the sliding gate valve.
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