CN109940291A - Double cross beam type laser cutting machines and moving method - Google Patents
Double cross beam type laser cutting machines and moving method Download PDFInfo
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- CN109940291A CN109940291A CN201910305541.8A CN201910305541A CN109940291A CN 109940291 A CN109940291 A CN 109940291A CN 201910305541 A CN201910305541 A CN 201910305541A CN 109940291 A CN109940291 A CN 109940291A
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000010365 information processing Effects 0.000 claims abstract description 7
- 239000013598 vector Substances 0.000 claims description 67
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The invention discloses double cross beam type laser cutting machines and moving methods, laser cutting machine includes two cantilevers being vertically arranged, girder is fixedly installed between the cantilever, the both ends of the girder are fixedly connected with the top of two cantilevers respectively, the side of the cantilever slidably connects auxiliary girder, the side of the auxiliary girder slidably connects laser tool apron, and the laser tool apron and girder are located at the opposite sides of auxiliary girder；Moving method includes, acquisition of information, information processing, data operation, preliminary data judgement, the judgement of an advanced data, advanced two data judge, first servo motor drives the movement of laser tool apron and first servo motor and the second servo motor that laser tool apron is driven to move simultaneously.Double cross beam type laser cutting machines of the invention share stroke by auxiliary girder for girder, can reduce the time-consuming of total travel in this way, improve processing efficiency；In addition, reducing the overall length of rack gear, to reduce influence of the degree of disturbing to rack gear, while the difficulty of processing of rack gear is reduced.
Description
Technical field
The invention belongs to laser cutting machine technical field, in particular to double cross beam type laser cutting machines and moving method.
Background technique
Laser cutting machine is the laser that will launch from laser, through light path system, is focused into the laser of high power density
Beam.Laser beam is irradiated to workpiece surface, and workpiece is made to reach fusing point or boiling point, at the same the high pressure gas coaxial with light beam will melt or
Gasified metal is blown away.With the movement of light beam and workpiece relative position, material is finally set to form joint-cutting, to reach the mesh of cutting
's.
The cutting head that existing laser cutting machine is typically provided with moving beam and is slidably connected with moving beam is being cut through
When needs are from when being moved to the crossbeam other end for one section of crossbeam in journey, laser cutting head will be across entire crossbeam, in this way can wave
It is time-consuming, working efficiency is reduced, especially for the laser cutting machine of big stroke, time-consuming problem is more obvious.
Summary of the invention
The present invention the above-mentioned prior art there are aiming at the problem that, double cross beam type laser cutting machines and moving method are provided.
The present invention is realized by following technological means solves above-mentioned technical problem:
Double cross beam type laser cutting machines, the cantilever being vertically arranged including two are fixedly installed with girder between the cantilever,
The both ends of the girder are fixedly connected with the top of two cantilevers respectively, and the side of the cantilever slidably connects auxiliary girder, described
The side of auxiliary girder slidably connects laser tool apron, and the laser tool apron and girder are located at the opposite sides of auxiliary girder.
Further, parallel main rack gear and the first guide rail are fixedly installed on the top surface of the girder, the auxiliary girder
First servo motor is installed on top surface, the main tooth being adapted to main rack gear is fixedly installed on the rotor of the first servo motor
It takes turns, is additionally provided with the first slide opening being adapted to the first guide rail on the auxiliary girder.
Further, the first servo motor is centrally positioned on the length direction of auxiliary girder.
Further, the side of the auxiliary girder is equipped with slide slot, is fixedly installed with secondary rack gear on the side wall of slide slot, described
Two sides outside slide slot are equipped with the second parallel guide rail, and the laser tool apron is equipped with the joint face of auxiliary girder and is adapted to slide slot
Protrusion attachment base, be fixedly installed with the second servo motor in the attachment base, it is solid on the rotor of second servo motor
Dingan County is equipped with pinion, and the laser tool apron is equipped with the second slide opening being adapted to the second guide rail.
Further, the half of of length no more than girder length of the auxiliary girder, not less than the one third of girder length.
The moving method of the laser tool apron of double cross beam type laser cutting machines, comprising the following steps:
(1) location information and laser tool apron of the auxiliary girder on girder acquisition of information: are obtained respectively by grating scale in pair
Location information on beam；
(2) information processing: by grating scale acquisition location information be for data processing, obtain laser tool apron relative vector and absolutely
To the absolute vectors of vector and auxiliary girder；
(3) data operation: the location information for obtaining the mobile target point of laser tool apron is simultaneously converted to corresponding vector value, and swashs
The vector value of light-knife seat makees adduction operation, calculates the mobile data vector of laser tool apron；
(4) preliminary data judges: judging whether mobile data vector and the relative vector of laser tool apron are in the same direction, if so, holding
Row step (5), if it is not, executing step (6)；
(5) advanced data judgement: whether the mould for judging the relative vector of laser tool apron is maximum value, if so, executing step
Suddenly (7)；If it is not, executing step (8)；
(6) advanced two data judgement: whether the mould for judging the relative vector of laser tool apron is zero, if so, executing step
(7)；If it is not, executing step (8)；
(7) first servo motor starts, driving laser tool apron movement；
(8) first servo motor starts simultaneously with the second servo motor, driving laser tool apron movement.
Further, in step (1) acquisition of information, location information of the auxiliary girder on girder is distance value m, laser knife
Location information of the seat on auxiliary girder is distance value n, and the measuring and calculating point of range information is ipsilateral.
Further, in step (2) information processing, the absolute vectors be using the measuring and calculating of girder point as starting point,
The relative vector is using the measuring and calculating of auxiliary girder point as starting point；Wherein, the absolute vectors of auxiliary girder isWhereinLaser
The relative vector of tool apron isWhereinThe absolute vectors of laser tool apron isWherein
Further, in step (3) data operation, the location information of the mobile target point of laser tool apron is preset value,
The measuring and calculating point distance value of mobile target point and girder is l, and the absolute vectors of the mobile target point of the laser tool apron is with the survey of girder
Calculating point is starting point, and corresponding vector is absolute vectorsWherein,Again willWithMake adduction operation and obtains laser
The mobile data vector of tool apron
Further, in the advanced data judgement of the step (5), the maximum value of the relative vector mould of laser tool apron is pre-
It is the range of auxiliary girder if value；When the relative vector mould of laser tool apron is zero in the advanced two data judgement of step (6),
That is the laser knife seat measuring and calculating starting point that is located at auxiliary girder.
The invention has the benefit that double cross beam type laser cutting machines of the invention are added between girder and laser tool apron
One auxiliary girder, auxiliary girder and laser tool apron are equipped with independent driving mechanism, and auxiliary girder can share stroke for girder, in this way can drop
The time-consuming of low total travel improves processing efficiency；In addition, a toothed rack can be divided into two sections by double-girder type structure of the invention, one
End is fixed on girder, and another is fixed on auxiliary girder, and the overall length of two rack gears is the total kilometres of lathe, and every section of rack gear in this way is just
It is designed to short, to reduce influence of the degree of disturbing to rack gear, while reducing the difficulty of processing of rack gear.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of auxiliary girder of the present invention；
Fig. 3 is the structural schematic diagram of laser tool apron of the present invention；
Fig. 4 is the mobile schematic diagram of laser tool apron of the present invention；
Fig. 5 is that the mobile target point of laser tool apron of the embodiment of the present invention is located at laser tool apron and calculates starting point with absolute vectors and prolongs
Schematic diagram on long line；
Fig. 6 be the mobile target point of laser tool apron of the present invention be located at laser tool apron and absolute vectors calculate starting point line it
Between schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment
As shown in Figure 1, double cross beam type laser cutting machines, including two cantilevers being vertically arranged 10, between the cantilever 10
It is fixedly installed with girder 20, the both ends of the girder 20 are fixedly connected with the top of two cantilevers 10 respectively, the cantilever 10
Side slidably connects auxiliary girder 30, and the side of the auxiliary girder 30 slidably connects laser tool apron 40, the laser tool apron 40 and master
Beam 20 is located at the opposite sides of auxiliary girder 30.
Double cross beam type laser cutting machines of the invention are additionally arranged an auxiliary girder 30 between girder 20 and laser tool apron 40, secondary
Beam 30 and laser tool apron 40 are equipped with independent driving mechanism, and auxiliary girder 30 can share stroke for girder 20.As shown in figure 4, working as
When laser tool apron 40 needs to carry out big stroke to be moved to B from A, total shift motion is L1, can be decomposed into auxiliary girder when moving
The shift motion L2 of 30 opposite girders 20 and the sum of the shift motion L3 of the opposite auxiliary girder 30 of laser tool apron 40, laser tool apron 40 and pair
Beam 30 drives simultaneously, just can reduce the time-consuming of total travel in this way, improves processing efficiency.In addition, the laser for big stroke is cut
Cutting mill, the rack gear used is also very long, however its longer degree of disturbing of metal rack gear is bigger, and long-term work is caused to be bent
Deformation is serious, in this way influence machining accuracy；One toothed rack can be divided into two sections by double-girder type structure of the invention, and one end is fixed on master
On beam 20, another is fixed on auxiliary girder 30, and the overall length of two rack gears is the total kilometres of lathe, and every section of rack gear so is just designed to
Short to reduce influence of the degree of disturbing to rack gear, while reducing the difficulty of processing of rack gear.
As illustrated in fig. 1 and 2, in the present embodiment, parallel 21 He of main rack gear is fixedly installed on the top surface of the girder 20
First guide rail 22, is equipped with first servo motor 31 on the top surface of the auxiliary girder 30, on the rotor of the first servo motor 31
It is fixedly installed with the master gear 32 being adapted to main rack gear 21, it is sliding that first be adapted to the first guide rail 22 is additionally provided on the auxiliary girder 30
Hole 33.
Girder 20 is to be slidably connected with auxiliary girder 30, is moved convenient for driving laser tool apron 40, using rack pinion structure
It drives auxiliary girder 30 to move, while the first guide rail 22 is set and is used to cooperate the degree of stability for guaranteeing that auxiliary girder 30 moves with auxiliary girder 30.
Wherein, as illustrated in fig. 1 and 2, the first servo motor 31 is centrally positioned on the length direction of auxiliary girder 30.First
Servo motor 31 mainly drives the rotation of master gear 32 to be fixedly installed with to drive auxiliary girder 30 to move, on girder 20 and master gear
The main rack gears 21 of 32 adaptations, after first servo motor 31 to be arranged in the centre of auxiliary girder 30, the main rack gear that is adapted to master gear 32
21 are also required to be centrally mounted on girder 20, and there are also spaces more than needed at 21 both ends of rack gear main in this way for rack gear extension, thus just
The both ends setting surplus section guarantee auxiliary girder 30 of Yu Zhu rack gear 21 is fully mated with girder 20.
Wherein, as shown in Figures 2 and 3, the side of the auxiliary girder 30 is equipped with slide slot 34, fixed peace on the side wall of slide slot 34
Equipped with secondary rack gear 35, the two sides outside the slide slot 34 are equipped with the second parallel guide rail 36, the laser tool apron 40 and auxiliary girder 30
Joint face be equipped with the attachment base 41 of protrusion being adapted to slide slot 34, be fixedly installed with the second servo in the attachment base 41
Motor 42, is fixedly installed with pinion 43 on the rotor of second servo motor 42, and the laser tool apron 40 is equipped with and the
Second slide opening 44 of two guide rails 36 adaptation.
Auxiliary girder 30 is sliding convenient for laser tool apron 40 and auxiliary girder 30 by setting slide slot 34 and attachment base 41 for decomposing stroke
Dynamic connection, laser tool apron 40 and auxiliary girder 30 are also moved using rack pinion structure driving laser tool apron 40, while being arranged the
Two guide rails 36 are used to cooperate the stability for guaranteeing that laser tool apron 40 moves with laser tool apron 40.The conducting wire of second servo motor 42 can
Directly to be drawn from 41 lateral opening hole of attachment base, can also be drawn from the top surface aperture of laser tool apron 40.
In the present embodiment, the half of 20 length of of length no more than girder of the auxiliary girder 30, not less than 20 length of girder
One third.The effect of auxiliary girder 30 is that decomposition stroke will be excessive if the length of auxiliary girder 30 is too long, and laser tool apron 40 is caused to exist
Stroke on auxiliary girder 30 is too long, and loses the effect of girder 20；If the length of auxiliary girder 30 is too short, lead to the row of the decomposition of auxiliary girder 30
Journey is too short, and loses decomposition.So the half of 20 length of of length no more than girder of control auxiliary girder 30, is not less than girder
The one third of 20 length can farthest guarantee that auxiliary girder 30 decomposes the effect of stroke, while not influence the work of girder 20.
The present embodiment additionally provides the moving method of the laser tool apron of double cross beam type laser cutting machines, comprising the following steps:
(1) location information and laser tool apron of the auxiliary girder 30 on girder 20 acquisition of information: are obtained respectively by grating scale
40 location information on auxiliary girder；
(2) information processing: by grating scale acquisition location information be for data processing, obtain laser tool apron 40 relative vector and
The absolute vectors of absolute vectors and auxiliary girder 30；
(3) data operation: obtaining the location information of the mobile target point of laser tool apron 40 and be converted to corresponding vector value, with
The vector value of laser tool apron 40 makees adduction operation, calculates the mobile data vector of laser tool apron 40；
(4) preliminary data judges: judge whether mobile data vector and the relative vector of laser tool apron 40 are in the same direction, if so,
It executes step (5), if it is not, executing step (6)；
(5) advanced data judgement: whether the mould for judging the relative vector of laser tool apron 40 is maximum value, if so, executing
Step (7)；If it is not, executing step (8)；
(6) advanced two data judgement: whether the mould for judging the relative vector of laser tool apron 40 is zero, if so, executing step
(7)；If it is not, executing step (8)；
(7) first servo motor 31 starts, and driving laser tool apron 40 moves；
(8) first servo motor 31 starts simultaneously with the second servo motor 42, and driving laser tool apron 40 moves.
Wherein, in step (1) acquisition of information, location information of the auxiliary girder 30 on girder 20 is range information, laser tool apron
40 location information on auxiliary girder 30 is range information, and the measuring and calculating point of range information is ipsilateral.That is, auxiliary girder 30 is on girder 20
Distance value calculate since the left end of girder 20, then laser tool apron 40 on auxiliary girder 30 distance value also from the left end of auxiliary girder 30
Start to calculate, finally, obtaining auxiliary girder 30 in distance value m and laser tool apron 40 the distance value n on auxiliary girder 30 on girder 20.
In step (2) information processing, the absolute vectors is the relative vector using the measuring and calculating of girder 20 point as starting point
It is using the measuring and calculating of auxiliary girder 30 point as starting point.By the distance value calculated in step (1), it can be deduced that, the absolute vectors of auxiliary girder 30
ForWhereinThe relative vector of laser tool apron 40 isWhereinThe absolute vectors of laser tool apron 40 is
WhereinIn the present embodiment, auxiliary girder 30, girder 20 and laser tool apron 40 are considered as in the same horizontal line.
In step (3) data operation, the location information of the mobile target point of laser tool apron 40 is preset value, mobile target point with
The measuring and calculating point distance value of girder 20 is l, and the absolute vectors of the mobile target point of the laser tool apron 40 is with the measuring and calculating point of girder 20
Starting point, corresponding vector are absolute vectorsWherein,Again willWithMake adduction operation and obtains laser tool apron 40
Mobile data vectorAs shown in Figure 5, when the mobile target point of laser tool apron 40 is located at laser tool apron 40 and absolute vectors is surveyed
When counting on the extended line of initial point, l > m+n,At this timeWithIn the same direction；As shown in Figure 6,
When the mobile target point of laser tool apron 40 is located between laser tool apron 40 and the line of absolute vectors measuring and calculating starting point, l < m+n,At this point,WithReversely.
In the advanced data judgement of step (5), the maximum value of the relative vector mould of laser tool apron 40 is preset value, is auxiliary girder
30 range, i.e. laser tool apron 40 are located at the right end of auxiliary girder 30；Laser tool apron 40 in the advanced two data judgement of step (6)
Relative vector mould when being zero, i.e. the left end measuring and calculating starting point that is located at auxiliary girder 30 of laser tool apron 40.
It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. pair cross beam type laser cutting machine, including two cantilevers being vertically arranged (10), which is characterized in that the cantilever (10) it
Between be fixedly installed with girder (20), the both ends of the girder (20) are fixedly connected with the top of two cantilevers (10) respectively, described
The side of cantilever (10) slidably connects auxiliary girder (30), and the side of the auxiliary girder (30) slidably connects laser tool apron (40), institute
It states laser tool apron (40) and girder (20) and is located at the opposite sides of auxiliary girder (30).
2. double cross beam type laser cutting machines according to claim 1, which is characterized in that solid on the top surface of the girder (20)
Dingan County is equipped with parallel main rack gear (21) and the first guide rail (22), is equipped with first servo motor on the top surface of the auxiliary girder (30)
(31), the master gear (32) being adapted to main rack gear (21) is fixedly installed on the rotor of the first servo motor (31), it is described
The first slide opening (33) being adapted to the first guide rail (22) is additionally provided on auxiliary girder (30).
3. double cross beam type laser cutting machines according to claim 2, which is characterized in that the first servo motor (31) occupies
It is middle to be arranged on the length direction of auxiliary girder (30).
4. double cross beam type laser cutting machines according to claim 1, which is characterized in that the side of the auxiliary girder (30) is equipped with
Slide slot (34) is fixedly installed with secondary rack gear (35) on the side wall of slide slot (34), and the two sides of the slide slot (34) outside are equipped with
Parallel the second guide rail (36), the laser tool apron (40) and the joint face of auxiliary girder (30) are equipped with to be adapted to slide slot (34)
The attachment base (41) of protrusion, the attachment base (41) is interior to be fixedly installed with the second servo motor (42), second servo motor
(42) it is fixedly installed on rotor pinion (43), the laser tool apron (40) is equipped with the be adapted to the second guide rail (36)
Two slide openings (44).
5. double cross beam type laser cutting machines according to claim 1, which is characterized in that the length of the auxiliary girder (30) does not surpass
The half of girder (20) length is crossed, the one third of girder (20) length is not less than.
6. the moving method of the laser tool apron of any double cross beam type laser cutting machines, special according to claim 1~5
Sign is, comprising the following steps:
(1) location information and laser tool apron of the auxiliary girder (30) on girder (20) acquisition of information: are obtained respectively by grating scale
(40) location information on auxiliary girder；
(2) information processing: by grating scale acquisition location information be for data processing, obtain laser tool apron (40) relative vector and absolutely
To the absolute vectors of vector and auxiliary girder (30)；
(3) data operation: the location information for obtaining laser tool apron (40) mobile target point is simultaneously converted to corresponding vector value, and swashs
The vector value of light-knife seat (40) makees adduction operation, calculates the mobile data vector of laser tool apron (40)；
(4) preliminary data judges: judging whether mobile data vector and the relative vector of laser tool apron (40) are in the same direction, if so, holding
Row step (5), if it is not, executing step (6)；
(5) advanced data judgement: whether the mould for judging the relative vector of laser tool apron (40) is maximum value, if so, executing step
Suddenly (7)；If it is not, executing step (8)；
(6) advanced two data judgement: whether the mould for judging the relative vector of laser tool apron (40) is zero, if so, executing step
(7)；If it is not, executing step (8)；
(7) first servo motor (31) starts, driving laser tool apron (40) movement；
(8) first servo motor (31) starts simultaneously with the second servo motor (42), driving laser tool apron (40) movement.
7. the moving method of the laser tool apron of double cross beam type laser cutting machines according to claim 6, which is characterized in that institute
It states in step (1) acquisition of information, location information of the auxiliary girder (30) on girder (20) is distance value m, and laser tool apron (40) is in pair
Location information on beam (30) is distance value n, and the measuring and calculating point of range information is ipsilateral.
8. the moving method of the laser tool apron of double cross beam type laser cutting machines according to claim 6, which is characterized in that institute
State in step (2) information processing, the absolute vectors be using the measuring and calculating point of girder (20) as starting point, the relative vector be with
The measuring and calculating point of auxiliary girder (30) is starting point；Wherein, the absolute vectors of auxiliary girder (30) isWhereinLaser tool apron (40)
Relative vector beWhereinThe absolute vectors of laser tool apron (40) isWherein
9. the moving method of the laser tool apron of double cross beam type laser cutting machines according to claim 6, which is characterized in that institute
It states in step (3) data operation, the location information of the mobile target point of laser tool apron (40) is preset value, mobile target point and girder
(20) measuring and calculating point distance value is l, and the absolute vectors of the mobile target point of the laser tool apron (40) is with the measuring and calculating point of girder (20)
For starting point, corresponding vector is absolute vectorsWherein,Again willWithMake adduction operation and obtains laser tool apron
(40) mobile data vector
10. the moving method of the laser tool apron of double cross beam type laser cutting machines according to claim 6, which is characterized in that
In the advanced data judgement of step (5), the maximum value of the relative vector mould of laser tool apron (40) is preset value, is auxiliary girder
(30) range；When the relative vector mould of laser tool apron (40) is zero in the advanced two data judgement of step (6), that is, swash
Light-knife seat (40) is located at the measuring and calculating starting point of auxiliary girder (30).
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