CN108723588B - Laser plate cutting method - Google Patents
Laser plate cutting method Download PDFInfo
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- CN108723588B CN108723588B CN201810851477.9A CN201810851477A CN108723588B CN 108723588 B CN108723588 B CN 108723588B CN 201810851477 A CN201810851477 A CN 201810851477A CN 108723588 B CN108723588 B CN 108723588B
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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Abstract
The invention discloses a laser plate cutting method, which comprises the following steps: firstly, performing edge inspection on a plate to be cut to obtain the initial point position and the inclination angle of the plate; inputting the initial point position and the inclination angle of the plate obtained in the step one into a laser control panel, and calculating angle data of the laser head to be adjusted; and step three, inputting angle data of the laser head to be adjusted into the laser head so as to adjust the angle of the laser head. According to the laser plate cutting method, the first step, the second step and the third step are arranged, so that the original position and the inclination angle of the plate can be effectively detected during laser cutting, and the angle of the laser head can be adjusted.
Description
Technical Field
The invention relates to a laser cutting method, in particular to a laser plate cutting method.
Background
In the laser cutting processing trade, the condition of panel angular tilt on the operation panel can take place often, if to adjust panel can be very inconvenient, if keep the slope to process then can extravagant panel, so current laser processing's in-process just needs the manual work to adjust the position of panel after the panel angular tilt appears, only cut after the adjustment is complete again, will increase laser cutting's process like this, reduced laser cutting's efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a laser plate cutting method capable of adjusting the position of a laser head along with the inclination of a plate.
In order to achieve the purpose, the invention provides the following technical scheme: a laser plate cutting method comprises the following steps:
firstly, performing edge inspection on a plate to be cut to obtain the initial point position and the inclination angle of the plate;
inputting the initial point position and the inclination angle of the plate obtained in the step one into a laser control panel, and calculating angle data of the laser head to be adjusted;
and step three, inputting angle data of the laser head to be adjusted into the laser head so as to adjust the angle of the laser head. As a further improvement of the present invention, the border patrol in the step one specifically includes the following steps:
step one, setting the current position of a laser head as a point P0, simultaneously arranging a capacitance sensor for detecting the edge of a plate on the laser head, when the laser head moves along the X axis of a machine tool and the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P1, when the laser head moves along the Y axis of the machine tool from a point P0 and the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P2, starting from the point P0 again, moving for h distance along the X axis of the machine tool, and moving along the Y axis until the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P3;
and step two, taking the P1 point, the P2 point, the P3 point and the h obtained in the step one by one as calculation data, analyzing and calculating the calculation data, and obtaining the initial point position and the inclination angle of the plate.
As a further improvement of the invention, the analysis and calculation steps in the second step are as follows:
measuring the X-axis distance between a P0 point and a P1 point as a, the Y-axis distance between a P0 point and a P2 point as b, the Y-axis distance between the P0 point and a P3 point as c, and determining the coordinate of a P0 point as (X, Y);
step two, the angle α of the plate inclination is calculated as arctan (h/c-b) according to the following formula;
calculating the Y-axis distance E between the starting point position of the plate and a point P0 and the X-axis distance F between the starting point position of the plate and a point P0 according to the following formulas;
F＝btan α-Etan α：
E＝Ftan α-atan α。
and a step two, a step four, subtracting the corresponding Y-axis distance E and the X-axis distance F from the coordinate value of P0 to obtain the position coordinates of the starting point of the plate, namely (X-F, Y-E).
As a further improvement of the present invention, the laser head in step three is an angle-adjustable laser head structure, the laser head structure includes a head, an upper base and a lower base, the head is hinged on the lower base and is used for emitting laser, the upper base is fixedly connected with the external base, the lower base is rotatably connected on the lower side surface of the upper base, a rotating device for driving the lower base is arranged on the upper base, a turning device for driving the head to turn is arranged on the lower base, both the rotating device and the turning device are coupled with the external laser control panel to receive signals of the external laser control panel, and after the head is driven to turn, the lower base is driven to rotate to complete adjustment of the head angle.
As a further improvement of the present invention, the rotating device includes a rotating motor, a body of the rotating motor is fixed in the upper base, a rotating shaft of the rotating motor penetrates into the lower base and is connected with the lower base, the turning device includes a turning pump, a first bellows and a second bellows, the turning pump is fixed at a position of the lower base close to a head hinge point, the rotating shaft of the rotating motor is in switching linkage with the turning pump and the lower base, one end of the first bellows is fixed at one side of the head, the other end of the first bellows is connected with and communicated with the turning pump, one end of the second bellows is fixed at one side of the head opposite to the first bellows, the other end of the second bellows is connected with and communicated with the turning pump, wherein the turning pump has two connecting ports, an end of the first bellows and an end of the second bellows are respectively connected with and communicated with the two connecting ports, the first bellows and, And the second corrugated pipe and the overturning pump are filled with power liquid, so that the power liquid is controlled by the overturning pump to be injected into the first corrugated pipe or the second corrugated pipe.
As a further improvement of the invention, a gear is coaxially sleeved on a rotating shaft of the rotating motor, the overturning pump is arranged in a lower base and close to the rotating shaft of the rotating motor, a driving gear for driving an impeller in the overturning pump to rotate is arranged on the lower base, a rotating disc is arranged above the overturning pump and coaxially fixed on the rotating shaft of the rotating motor and arranged above the gear, an expansion column is fixedly connected to the upper end surface of the gear, the lower end of the expansion column is fixedly connected with the upper end surface of the gear, the upper end of the expansion column is fixedly connected with the lower end surface of the rotating disc, a rotating hole with a shape matched with the gear is coaxially arranged on the lower base relative to the rotating shaft of the rotating motor, the expansion column is coupled with an external laser control panel to expand and contract under the control of the laser control panel, when the expansion column is controlled by the laser control panel to extend, the gear slides downwards along the, and the gear is meshed with the driving gear to drive the driving gear to rotate, and when the laser control panel controls the telescopic column to shorten, the gear rises along the rotating shaft of the rotating motor and is meshed with the hole wall of the rotating hole to drive the lower base to rotate.
As a further improvement of the invention, the section of the rotating shaft of the rotating motor is hexagonal, the circle center of the gear is provided with a hexagonal hole, and when the gear is sleeved on the rotating shaft of the rotating motor, the hexagonal hole is matched with the rotating shaft of the rotating motor.
As a further improvement of the invention, a rotating ring is coaxially fixed on the upper end surface of the lower base, a rotating edge is arranged on the inner ring wall at the upper end of the rotating ring, a coaxial ring groove is arranged on the side surface of the upper base close to the lower end of the upper base, a plurality of balls are arranged on the groove wall at the lower side of the ring groove in a rolling manner, when the lower base is rotatably connected to the upper base, the rotating edge is embedded into the ring groove, and the lower end surface of the rotating edge is abutted against the plurality of balls.
The laser head has the beneficial effects that the initial point position and the inclination angle of the plate can be effectively obtained in an edge-tracking mode through the arrangement of the step one, then the laser head can be effectively adjusted according to the detected initial point position and the detected inclination angle of the plate through the cooperation of the step two and the step three, and further the problems of plate waste caused by the fact that the plate is finally cut due to the inclination of the plate and low cutting efficiency caused by the fact that the position of the plate needs to be adjusted in the cutting process are well solved.
Drawings
FIG. 1 is a schematic view of the edge-tracking calculation geometry of the laser plate cutting method of the present invention
FIG. 2 is an overall structural view of a laser head structure employed in the laser plate cutting method of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is an exploded view of fig. 2.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1 to 4, a laser plate cutting method of the present embodiment includes the following steps:
firstly, performing edge inspection on a plate to be cut to obtain the initial point position and the inclination angle of the plate;
inputting the initial point position and the inclination angle of the plate obtained in the step one into a laser control panel, and calculating angle data of the laser head to be adjusted;
and step three, inputting angle data to be adjusted by the laser head into the laser head to adjust the angle of the laser head, when the method of the embodiment is used for carrying out laser cutting operation, firstly executing the step one, detecting the initial point position and the inclined angle of the plate by using an edge inspection method, then calculating the angle to be adjusted by the laser head through the step two, and finally, adjusting the angle of the laser head effectively through the setting of the step three, so that the problem of material waste caused by the inclination of the plate in the cutting process of the laser head is solved, and meanwhile, the position of the plate is not required to be adjusted.
As an improved specific implementation, the border patrol in the step one specifically includes the following steps:
step one, setting the current position of a laser head as a point P0, simultaneously arranging a capacitance sensor for detecting the edge of a plate on the laser head, when the laser head moves along the X axis of a machine tool and the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P1, when the laser head moves along the Y axis of the machine tool from a point P0 and the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P2, starting from the point P0 again, moving for h distance along the X axis of the machine tool, and moving along the Y axis until the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P3;
and step two, the P1 point, the P2 point, the P3 point and the h obtained in the step one by one are used as calculation data, the calculation data are analyzed and calculated to obtain the starting point position and the inclination angle of the plate, and the starting point position and the inclination angle of the plate can be patrolled in the process of moving and cutting by the laser head by adopting the steps one by one and the step two, so that the edge patrolling efficiency is increased, and the automatic edge patrolling technology is effectively combined with the laser head.
As a specific embodiment of the improvement, the analyzing and calculating step in the second step is as follows:
measuring the X-axis distance between a P0 point and a P1 point as a, the Y-axis distance between a P0 point and a P2 point as b, the Y-axis distance between the P0 point and a P3 point as c, and determining the coordinate of a P0 point as (X, Y);
step two, the angle α of the plate inclination is calculated as arctan (h/c-b) according to the following formula;
calculating the Y-axis distance E between the starting point position of the plate and a point P0 and the X-axis distance F between the starting point position of the plate and a point P0 according to the following formulas;
F＝btan α-Etan α：
E＝Ftan α-atan α。
step two, step four, subtract corresponding Y-axis distance E and X-axis distance F from the coordinate value of P0 to obtain the coordinates of the starting point position of the plate, namely, (X-F, Y-E), the specific calculation process is as shown in FIG. 1, firstly, the obtained points P0, P1, P2 and P3 are supplemented into a right triangle, then, P0 and P2 are connected, two adjacent edges of the plate are matched with the coordinate axis of the machine tool, so that the two adjacent edges are vertical, the intersection point between the two adjacent edges is the starting point position of the plate, so that the two formulas can be obtained according to the trigonometric function principle and some corner theorems by using the position of the auxiliary line in FIG. 1, thus, the calculation of the inclined angle α and the coordinates of the starting point position of the plate can be simply and effectively realized, and the data used by the laser head moving distance is the laser head, so that the laser cutting equipment can directly obtain the basic data without additional sensing equipment for detection.
As an improved specific embodiment, the laser head in step three is a laser head structure with an adjustable angle, the laser head structure includes a head 1, an upper base 2 and a lower base 3, the head 1 is hinged on the lower base 3 and is used for emitting laser, the upper base 2 is fixedly connected with an external base, the lower base 3 is rotatably connected on the lower side surface of the upper base 2, the upper base 2 is provided with a rotating device 4 for driving the lower base 3, the lower base 3 is provided with a turnover device 5 for driving the head 1 to turn over, the rotating device 4 and the turnover device 5 are both coupled with an external laser control panel to receive signals of the external laser control panel, after the head 1 is driven to turn over, the lower base 3 is driven to rotate, the adjustment of the angle of the head 1 is completed, in the process of using the laser head structure of this embodiment, only the head 1, the lower base 3, and the, The upper base 2 and the lower base 3 are mounted on the base of the laser cutting head, when the inclination of the plate is detected by the above steps and the angle of the head 1 is adjusted, firstly the laser control panel outputs a signal to the turnover device 5, then the turnover device 5 turns the head 1 over on the premise that the head 1 is hinged with the lower base 3, the head 1 is turned over from the vertical downward direction to tilt according to the angle of the plate, then the laser control panel outputs a signal to the rotating device 4, the rotating device 4 drives the upper base 2 and the head 1 to rotate, so that the head 1 and the plate are perpendicular to each other, thereby avoiding the problem of material waste in the plate cutting process, and also avoiding the need of adjusting the plate as in the prior art, thereby well avoiding the problem of cutting efficiency reduction, for example, if the plate inclines downwards by 1 degree towards the east direction relative to the machine tool, the laser control at this time firstly outputs a signal to the turnover device 5, so that the turnover device 5 drives the head 1 to turn and tilt by 1 degree first, then, the signal is output to the rotating device 4, so that the rotating device 4 rotates to enable the tilted part of the head part 1 to face the west direction, the head part 1 is vertical to the plate, the problem of waste of the plate material after cutting is avoided, wherein the present embodiment can detect whether the head 1 is perpendicular to the plate material by providing a distance sensor on the head 1, because the distance between the head 1 and the plate is shortest when the head is vertical, closed-loop control is realized, the head 1 is ensured to be vertical to the plate after adjustment, and the tilting direction of the head 1 before adjustment, such as the east direction, can also be directly preset, so that the rotation adjustment is carried out based on the tilting direction.
As a modified specific embodiment, the rotating device 4 includes a rotating motor 41, a body of the rotating motor 41 is fixed in the upper base 2, a rotating shaft of the rotating motor 41 penetrates into the lower base 3 and is connected with the lower base 3, the reversing device 5 includes a reversing pump 51, a first bellows 52 and a second bellows 53, the reversing pump 51 is fixed at a position of the lower base 3 near a hinge point of the head 1, the rotating shaft of the rotating motor 41 is in switching linkage with the reversing pump 51 and the lower base 3, one end of the first bellows 52 is fixed at one side of the head 1, the other end is connected with and communicated with the reversing pump 51, one end of the second bellows 53 is fixed at a side of the head 1 opposite to the first bellows 52, the other end is connected with and communicated with the reversing pump 51, wherein the reversing pump 51 has two connecting ports, an end of the first bellows 52 and an end of the second bellows 53 are respectively connected with and communicated with the two connecting ports, the first bellows 52, the second bellows 53 and the turn-over pump 51 are filled with power fluid, and are controlled by the turn-over pump 51 to be injected into the first bellows 52 or the second bellows 53, and in the process that the turn-over device 5 drives the head 1 to turn over and tilt, a rotation signal is output to the rotation motor 41 through the laser control panel, and the rotation motor 41 rotates, so that the corresponding turn-over pump 51 rotates, for example, in the embodiment, the first bellows 52 is set to be in the east direction, the second bellows 53 is set to be in the west direction, and then when the turn-over pump 51 rotates forward, the power fluid is injected into the second bellows 53 from the first bellows 52, so that the first bellows 52 is shortened, and the second bellows 53 is extended, so that the head 1 turns over and tilts towards the east direction under the action of the first bellows 52 and the second bellows 53, and then a signal is input into the rotation motor 41 through the laser control panel, make the rotatory base 3 of driving down of rotating electrical machines 41 rotatory, will originally the east rotate to the head 1 of perk and change to the direction that needs, so alright effectual realization is to the adjustment of head 1, and simple structure, the less occasion of volume like this of being applicable to the laser head that can be fine, wherein the pivot and the upset pump 51 and the lower base 3 switching linkage of rotating electrical machines 41 in this embodiment, promptly or the pivot and the upset pump 51 linkage of rotating electrical machines 41, or the pivot and the lower base 3 linkage of rotating electrical machines 41, the condition of synchronous linkage can not exist between the two, rotating electrical machines 41 in this embodiment is mini step motor simultaneously.
As a modified specific embodiment, the rotating shaft of the rotating motor 41 is coaxially sleeved with a gear 411, the reversing pump 51 is disposed in the lower base 3 at a position close to the rotating shaft of the rotating motor 41, a driving gear 54 for driving the inner impeller thereof to rotate is disposed thereon, a rotating disc 31 is disposed above the lower base 3 relative to the reversing pump 51, the rotating disc 31 is coaxially fixed on the rotating shaft of the rotating motor 41 and disposed above the gear 411, an extension column 412 is fixedly connected to an upper end surface of the gear 411, a lower end of the extension column 412 is fixedly connected to an upper end surface of the gear 411, an upper end of the extension column is fixedly connected to a lower end surface of the rotating disc 31, a rotating hole 32 with a shape matched with the gear 411 is coaxially disposed on the rotating shaft of the lower base 3 relative to the rotating motor 41, the extension column 412 is coupled to an external laser control board to extend and retract under the control of the, when the laser control panel controls the telescopic column 412 to extend, the gear 411 slides downwards along the rotating shaft of the rotating motor 41, engages with the driving gear 54, and drives the driving gear 54 to rotate, when the laser control panel controls the telescopic column 412 to extend, the gear 411 rises along the rotating shaft of the rotating motor 41, engages with the hole wall of the rotating hole 32, and drives the lower base 3 to rotate, during the switching linkage process of the rotating motor 41, the telescopic column 412 is controlled by the laser control panel to extend, for example, at the beginning of adjustment, when the rotating shaft of the rotating motor 41 needs to be linked with the overturning pump 51, the laser control panel controls the telescopic column 412 to extend, so that the corresponding gear 411 is pushed to slide downwards and then engages with the driving gear 54, which is that the rotating motor 41 rotates by a certain angle, the driving gear 54 correspondingly rotates by a certain angle, and the impeller in the overturning pump 51 correspondingly rotates by a certain angle, thus, part of the power fluid in the first bellows 52 is pumped into the second bellows 53, then when the rotating shaft of the rotating motor 41 needs to be linked with the lower base 3, the laser control panel controls the telescopic column 412 to shorten, so that the gear 411 will rise upwards and then be embedded into the rotating hole 32, at this time, the rotating motor 41 rotates again, and then the corresponding lower base 3 will rotate, so that the effect of switching and linking the rotating shaft of the rotating motor 41 with the turnover pump 51 and the lower base 3 by using the telescopic column 412 is effectively realized, therefore, compared with the mode of respectively controlling two motors, the whole structure volume is effectively simplified, the problem of large burden of the laser head caused by arranging two motors at the laser head is avoided, and meanwhile, the telescopic column 412 in the embodiment can be realized by matching an electromagnet, a magnet and a spring, for example, the magnet is fixed on the gear 411, the electromagnet is fixed on the rotating disc 31, then the magnet and the electromagnet are connected at two ends of the spring, and in the normal state, the spring pulls the magnet to be in the middle position, namely, the gear 411 is between the rotating hole 32 and the driving gear 54, is not embedded into the rotating hole 32, and is not meshed with the driving gear 54, then when the laser control panel output signal wants to extend the telescopic column 412, the electromagnet generates the magnetic force repulsive to the magnet, so that the magnet moves down, the spring stretches, the extension of the telescopic column 412 is completed, when the laser control panel output signal wants to shorten the telescopic column 412, the electromagnet generates the magnetic force attractive to the magnet, so that the magnet moves up, the spring is compressed, the shortening of the telescopic column 412 is completed, thus the extension and shortening of the telescopic column 412 can be controlled by the laser control panel simply and effectively, and the magnetic force of the electromagnet is generated quickly, so that the switching efficiency can be increased, the adjusting efficiency of the angle of the head part 1 is further increased, and the power supply of the electromagnet only rotates for a certain angle without rotating for a plurality of circles due to the fact that the rotating disc 31 rotates for a certain angle in the adjusting process, so that the power supply can be directly connected with the electromagnet through a conducting wire.
As an improved specific implementation manner, the cross section of the rotating shaft of the rotating motor 41 is hexagonal, the circle center of the gear 411 is provided with a hexagonal hole, when the gear 411 is sleeved on the rotating shaft of the rotating motor 41, the hexagonal hole is matched with the rotating shaft of the rotating motor 41, the arrangement of the hexagon is adopted, the gear 411 can slide up and down, and can rotate along with the rotating shaft of the rotating motor 41, and the hexagon is more convenient to process compared with other non-circular shapes.
As a modified specific embodiment, a rotating ring 33 is coaxially fixed on the upper end surface of the lower base 3, a rotating edge is arranged on the inner annular wall of the upper end of the rotating ring 33, a coaxial annular groove is arranged on the side surface of the upper base 2 near the lower end thereof, a plurality of balls are arranged on the groove wall of the lower side of the annular groove in a rolling manner, when the lower base 3 is rotatably connected to the upper base 2, the rotating edge is embedded into the annular groove, and the lower end surface of the rotating edge is abutted against the plurality of balls, through the arrangement of the balls, the friction between the rotating edge and the annular groove can be effectively reduced, so that the lower base 3 can better rotate, but the lower base 3 in this embodiment can be rotatably mounted on the upper base 2 in a manner that the rotating edge is made of a deformable material, in a manner that the rotating edge is forcibly pushed up, or in a manner that the entire rotating ring 33 is disconnected, then, after the rotating edge is wound to be embedded into the annular groove, the broken part is welded or bonded, and then the lower end of the rotating ring 33 is welded or bonded with the upper end face of the lower base 3.
In conclusion, according to the method of the embodiment, the angle of the laser head can be effectively adjusted after the plate is subjected to edge inspection through the arrangement of the first step, the second step and the third step, so that the problems of material waste caused by plate inclination and low cutting efficiency caused by the need of plate adjustment in the technology are effectively solved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. A laser plate cutting method is characterized by comprising the following steps:
firstly, performing edge inspection on a plate to be cut to obtain the initial point position and the inclination angle of the plate;
inputting the initial point position and the inclination angle of the plate obtained in the step one into a laser control panel, and calculating angle data of the laser head to be adjusted;
inputting angle data to be adjusted of the laser head into the laser head to adjust the angle of the laser head; the laser head in the third step is a laser head structure with an adjustable angle, the laser head structure comprises a head part (1), an upper base (2) and a lower base (3), the head part (1) is hinged on the lower base (3), and is used for emitting laser, the upper base (2) is fixedly connected with the external base, the lower base (3) is rotatably connected with the lower side surface of the upper base (2), the upper base (2) is provided with a rotating device (4) for driving the lower base (3), the lower base (3) is provided with a turnover device (5) for driving the head (1) to turn over, the rotating device (4) and the overturning device (5) are both coupled with an external laser control panel, after the head (1) is driven to turn over by receiving a signal of an external laser control panel, the lower base (3) is driven to rotate to complete the adjustment of the angle of the head (1);
the rotating device (4) comprises a rotating motor (41), the body of the rotating motor (41) is fixed in the upper base (2), the rotating shaft of the rotating motor (41) penetrates into the lower base (3) and is connected with the lower base (3), the overturning device (5) comprises an overturning pump (51), a first corrugated pipe (52) and a second corrugated pipe (53), the overturning pump (51) is fixed at the position, close to the hinge point of the head (1), of the lower base (3), the rotating shaft of the rotating motor (41) is in switching linkage with the overturning pump (51) and the lower base (3), one end of the first corrugated pipe (52) is fixed on one side of the head (1), the other end of the first corrugated pipe is connected with the overturning pump (51) and is communicated with the overturning pump, one end of the second corrugated pipe (53) is fixed on one side, opposite to the first corrugated pipe (52), of the other end of the second corrugated pipe is connected with the overturning pump (51) and is communicated with the overturning pump, the reversing pump (51) is provided with two connecting ports, the end part of the first corrugated pipe (52) and the end part of the second corrugated pipe (53) are respectively connected with the two connecting ports and are communicated with each other, and the first corrugated pipe (52), the second corrugated pipe (53) and the reversing pump (51) are filled with power liquid to be controlled by the reversing pump (51) to be injected into the first corrugated pipe (52) or the second corrugated pipe (53).
2. The laser plate cutting method according to claim 1, wherein the edge tracking in the first step specifically comprises the following steps:
step one, setting the current position of a laser head as a point P0, simultaneously arranging a capacitance sensor for detecting the edge of a plate on the laser head, when the laser head moves along the X axis of a machine tool and the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P1, when the laser head moves along the Y axis of the machine tool from a point P0 and the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P2, starting from the point P0 again, moving for h distance along the X axis of the machine tool, and moving along the Y axis until the capacitance sensor detects the edge of the plate, recording the position of the laser head as a point P3;
and step two, taking the P1 point, the P2 point, the P3 point and the h obtained in the step one by one as calculation data, analyzing and calculating the calculation data, and obtaining the initial point position and the inclination angle of the plate.
3. The laser plate cutting method according to claim 2, characterized in that: the analysis and calculation in the first step and the second step are as follows:
measuring the X-axis distance between a P0 point and a P1 point as a, the Y-axis distance between a P0 point and a P2 point as b, the Y-axis distance between the P0 point and a P3 point as c, and determining the coordinate of a P0 point as (X, Y);
step two, the angle α of the plate inclination is calculated as arctan (h/c-b) according to the following formula;
calculating the Y-axis distance E between the starting point position of the plate and a point P0 and the X-axis distance F between the starting point position of the plate and a point P0 according to the following formulas;
F＝btanα-Etanα；
E＝Ftanα-atanα；
and a step two, a step four, subtracting the corresponding Y-axis distance E and the X-axis distance F from the coordinate value of P0 to obtain the position coordinates of the starting point of the plate, namely (X-F, Y-E).
4. The laser plate cutting method according to claim 1, wherein: a gear (411) is coaxially sleeved on a rotating shaft of the rotating motor (41), the overturning pump (51) is arranged in the lower base (3) and is close to the rotating shaft of the rotating motor (41), a driving gear (54) for driving an impeller in the overturning pump to rotate is arranged on the overturning pump, a rotating disc (31) is arranged above the lower base (3) relative to the overturning pump (51), the rotating disc (31) is coaxially fixed on the rotating shaft of the rotating motor (41) and is arranged above the gear (411), a telescopic column (412) is fixedly connected to the upper end face of the gear (411), the lower end of the telescopic column (412) is fixedly connected with the upper end face of the gear (411), the upper end of the telescopic column is fixedly connected with the lower end face of the rotating disc (31), and a rotating hole (32) with a shape matched with the gear (411) is coaxially arranged on the rotating shaft of the lower base (3) relative to the rotating motor (, the flexible post (412) is coupled with outside laser control board to receive laser control board control and stretch out and draw back, when the flexible post (412) of laser control board control is elongated, gear (411) slide down along the pivot of rotating electrical machines (41), mesh mutually with drive gear (54), drive gear (54) and rotate, when the flexible post (412) of laser control board control shortens, gear (411) rise along the pivot of rotating electrical machines (41), mesh mutually with the pore wall of rotatory hole (32), base (3) is rotatory under the drive.
5. The laser plate cutting method according to claim 4, wherein: the section of the rotating shaft of the rotating motor (41) is hexagonal, a hexagonal hole is formed in the circle center of the gear (411), and when the gear (411) is sleeved on the rotating shaft of the rotating motor (41), the hexagonal hole is matched with the rotating shaft of the rotating motor (41).
6. The laser plate cutting method according to claim 5, wherein: the upper end face of the lower base (3) is coaxially fixed with a rotating ring (33), a rotating edge is arranged on the inner ring wall of the upper end of the rotating ring (33), a coaxial ring groove is formed in the position, close to the lower end, of the side face of the upper base (2), a plurality of balls are arranged on the groove wall of the lower side of the ring groove in a rolling mode, when the lower base (3) is rotatably connected to the upper base (2), the rotating edge is embedded into the ring groove, and the lower end face of the rotating edge abuts against the plurality of balls.
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| CN110293323B (en) * | 2019-06-06 | 2020-03-20 | 济南邦德激光股份有限公司 | Intelligent batch cutting processing method, CNC control system, laser cutting machine and storage medium |
| CN110170751A (en) * | 2019-06-06 | 2019-08-27 | 济南邦德激光股份有限公司 | A kind of laser cutting automatic tracing-edge method, system and equipment |
| CN113253673B (en) * | 2020-04-23 | 2022-05-06 | 大族激光科技产业集团股份有限公司 | Conductor plate boundary point positioning method, controller, device and storage medium |
| CN111633348B (en) * | 2020-05-19 | 2022-08-26 | 大族激光科技产业集团股份有限公司 | Laser cutting edge searching method, device, equipment and readable medium |
| CN111644758B (en) * | 2020-06-12 | 2021-12-10 | 上海柏楚电子科技股份有限公司 | Plate detection method and device, cutting control method and device and electronic equipment |
| CN112286140A (en) * | 2020-10-14 | 2021-01-29 | 上海气焊机厂有限公司 | Method, device and equipment for determining cutting information and storage medium |
| CN112327749A (en) * | 2020-11-25 | 2021-02-05 | 上海维宏电子科技股份有限公司 | Method for realizing edge-finding correction processing based on capacitive sensor |
| CN113878405B (en) * | 2021-09-24 | 2023-01-03 | 沪工智能科技（苏州）有限公司 | Edge searching method for rough edge steel plate |
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Address after: 325000 No. 4258, 3rd road, Binhai Park, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Pentium laser (Zhejiang) Co.,Ltd. Address before: 325000 no.4258, 3rd road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: PENTA LASER (WENZHOU) Co.,Ltd. |
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