CN117983982B - Laser cutting device and cutting method thereof - Google Patents
Laser cutting device and cutting method thereof Download PDFInfo
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- CN117983982B CN117983982B CN202410407048.8A CN202410407048A CN117983982B CN 117983982 B CN117983982 B CN 117983982B CN 202410407048 A CN202410407048 A CN 202410407048A CN 117983982 B CN117983982 B CN 117983982B
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 99
- 238000005520 cutting process Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 15
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- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 22
- 239000000779 smoke Substances 0.000 claims description 19
- 230000002457 bidirectional effect Effects 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
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- 238000009434 installation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
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- 230000003044 adaptive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
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Abstract
The invention discloses a laser cutting device and a cutting method thereof, and relates to the technical field of laser cutting. According to the invention, the self-adaptive distance adjuster is arranged, the two-way screw rod is rotated, the clamping plates clamp and limit the two sides of the plate, in the process, the water diversion solution in the second corrugated expansion pipe can enter the liquid storage pipe under the extraction of the piston rod, meanwhile, the distance between the moving plate and the second L-shaped connecting pipe is reduced, so that the moving distance of the clamping plates is equal to the moving distance of the moving plate towards the second L-shaped connecting pipe, and the reciprocating moving distance of the laser cutting head is changed, so that the moving distance of the laser cutting head is adjusted according to the width of the plate, the independent adjustment of the moving distance of the laser cutting head by a worker is not required, the labor intensity of the worker is reduced, and the cutting efficiency of the equipment on the plate is improved.
Description
Technical Field
The invention relates to the technical field of laser cutting, in particular to a laser cutting device and a laser cutting method.
Background
The laser cutting is to melt and evaporate the workpiece by the energy released when the laser beam irradiates the surface of the workpiece so as to achieve the purposes of cutting and carving, along with the development of laser technology, the laser application field is larger and larger, and along with the appearance of a high-power laser, the laser cutting application is wider and wider at present, the laser cutting adopts invisible light to replace the traditional mechanical knife, the deformation is small, the repeatability is good, and burrs are avoided.
Generally inconvenient to adjust the activity of laser cutting head according to the width of plate when cutting the plate, in order to prevent that the distance that the laser cutting head removed from being greater than the width of plate and influence cutting efficiency, laser cutting head travel distance from being less than the plate width and influence cutting effect, lead to still needing to carry out independent regulation to the travel distance of laser cutting head to the plate of different width, complex operation has also reduced the cutting efficiency to the plate simultaneously.
Disclosure of Invention
The invention aims at: in order to solve the problem that the moving distance of the laser cutting head cannot be conveniently adjusted according to the width of the plate, a laser cutting device and a cutting method thereof are provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a laser cutting device, includes places the board, place the top of board and install U type support frame, spacing frame is installed on the top of U type support frame, spacing frame's inboard is provided with the cutting movable part, spacing frame's inboard is connected with the mount pad with U type support frame sliding connection through the cutting movable part, laser cutting head is installed to the bottom of mount pad, the flue gas filter unit that links to each other with laser cutting head is installed in spacing frame's outside, place the top of board and be provided with the self-adaptation distance adjuster that links to each other with the cutting movable part.
As still further aspects of the invention: the cutting moving part comprises a rotating shaft which is rotationally connected to two ends of a limiting frame through a bearing, a gear ring which is located outside the limiting frame is arranged at one end of the rotating shaft, a second L-shaped connecting pipe which is located inside the limiting frame is arranged at one end of the rotating shaft which is far away from the gear ring, a limiting guide rod is inserted onto the second L-shaped connecting pipe, a moving plate is arranged at one end of the limiting guide rod which is far away from the second L-shaped connecting pipe, a clamping pin is arranged on the moving plate, a straight slot sliding rail which is located outside the clamping pin is arranged at the top of the mounting seat, a positioning frame is arranged at one side of the limiting frame, a telescopic cylinder is arranged at one side of the positioning frame which is far away from the limiting frame, and a shifting rack which is meshed with the gear ring is arranged at one end of the telescopic cylinder is far away from the movable frame.
As still further aspects of the invention: the length of one side of the shifting rack with the latch is half of the circumference of the outer side of the rotating shaft, and the length of the straight groove sliding rail is larger than the maximum distance between the moving plate and the center of the rotating shaft.
As still further aspects of the invention: the self-adaptive distance adjuster comprises a bidirectional screw rod arranged at the top of a placing plate and positioned at one side of a U-shaped supporting frame, a laser cutting head is arranged at one side of the U-shaped supporting frame away from the bidirectional screw rod, a clamping plate which is in sliding connection with the laser cutting head is sleeved on the bidirectional screw rod, a U-shaped guide pull rod is arranged at the top of the clamping plate, one end of a rotating shaft away from a second L-shaped connecting pipe is rotationally connected with a first L-shaped connecting pipe which penetrates through a gear ring, one end of the first L-shaped connecting pipe is provided with a liquid storage pipe positioned outside a limiting frame, a piston rod is inserted into the liquid storage pipe, one end of the piston rod away from the liquid storage pipe is provided with a push rod connected with the U-shaped guide pull rod, a second corrugated telescopic pipe is arranged between the second L-shaped connecting pipe and a moving plate, and a pressing spring which is connected with the second L-shaped connecting pipe and positioned outside the second corrugated telescopic pipe is arranged on the moving plate.
As still further aspects of the invention: the diameter of the inner wall of the liquid storage tube is equal to that of the inner wall of the second corrugated expansion tube.
As still further aspects of the invention: the number of the clamping plates is two, the two clamping plates are symmetrically arranged along the vertical central axis of the bidirectional screw rod, and only one clamping plate is connected with the pushing rod through the U-shaped pull rod.
As still further aspects of the invention: the flue gas filtering unit is including installing in the side that spacing frame kept away from locating rack one side links the frame, the side that spacing frame was kept away from to the side is installed first ripple flexible pipe, the side that the side was kept away from to first ripple flexible pipe is installed the connecting plate, the one end of connecting plate is provided with first check valve, the side is installed the exhaust end of linking the frame and is placed the storehouse with active carbon, the side is provided with the second check valve even the bottom of frame, the dust filtration storehouse is installed to the bottom of second check valve, the annular gas collecting channel that is located the laser cutting head outside is installed to the bottom of mount pad, be provided with the coupling hose who links to each other with dust filtration storehouse on the annular gas collecting channel, the limiting push rod that runs through the side and links to each other with the connecting plate is installed to the outer wall of straight flute slide rail.
As still further aspects of the invention: the air inlet of the second one-way valve is connected with the dust filtering bin, the air outlet of the second one-way valve is connected with the side connecting frame, and the air inlet end of the first one-way valve is connected with the connecting plate (422).
As still further aspects of the invention: the extension length of the first corrugated expansion pipe is equal to the maximum distance of the straight groove sliding rail.
The invention also discloses a laser cutting method, which adopts the laser cutting device and comprises the following steps:
S1: when cutting the plate, firstly placing the plate to be cut on the top of the placing plate to enable the plate to be positioned below the laser cutting head, then limiting the plate to be detected by operating the self-adaptive distance adjuster, and simultaneously adjusting the moving distance of the laser cutting head;
S2: starting a laser cutting head and a cutting movable piece, enabling the laser cutting head to horizontally move along the transverse central axis of the placing plate through the operation of the cutting movable piece, and cutting the plate through the operation of the laser cutting head in the process;
s3: when the laser cutting head cuts the plate, the smoke filtering unit filters and purifies smoke generated by cutting through the movement of the laser cutting head;
s4: closing the laser cutting head after cutting is completed and enabling the cut plate to lose limit by operating the self-adaptive distance adjuster;
S5: and taking the cut plate.
Compared with the prior art, the invention has the beneficial effects that:
1. The movable frame drives the shifting rack to stretch through the stretching of the telescopic cylinder by arranging the cutting movable piece, so that the shifting rack drives the gear ring to rotate, the rotating shaft drives the bayonet lock to rotate through the second L-shaped connecting pipe, the limiting guide rod and the moving plate, so that the bayonet lock drives the straight slot sliding rail to move in the horizontal direction, the laser cutting head moves, and the smoothness of cutting the plate piece by the laser cutting head is improved;
2. Through setting up the self-adaptation distance regulator, place the plate and rotate two-way lead screw behind the board of placing, splint carry out the centre gripping spacing to the both sides of plate, the piston rod just can be pulled along with the removal of splint to the direction that keeps away from the stock solution pipe to the push away the position pole in this process, the inside water solution of second ripple flexible pipe just can get into the stock solution intraduct under the extraction of piston rod this moment, the interval of movable plate and second L type connecting tube reduces simultaneously, make the travel distance of splint equal with the travel distance of movable plate towards second L type connecting tube, so alright make the reciprocating travel distance of laser cutting head change, thereby come to adjust the travel distance of laser cutting head according to the width of plate, do not need the staff to carry out independent adjustment to the travel distance of laser cutting head, not only alleviateed staff's intensity of labour, simultaneously also improved the cutting efficiency of equipment to the plate;
3. Through setting up smoke filter unit, the inboard of first ripple flexible pipe is negative pressure state when the straight flute slide rail drives laser cutting head and removes, so alright make the laser cutting head get into in the flexible pipe of first ripple through annular gas collecting channel, coupling hose, dust filtration storehouse, the second check valve, filter the dust granule in the smoke and dust through dust filtration storehouse this moment, when laser cutting head resumes, the straight flute slide rail drives the connecting plate and moves towards the side even frame through spacing push rod, thereby make the inboard gas of first ripple flexible pipe place the storehouse and discharge through first check valve, activated carbon, thereby come to filter, purify the smoke and dust that the cutting of laser cutting head produced to the panel spare, thereby improve operational environment, prevent that the smoke and dust that the cutting produced from causing the influence to staff's health, the security of equipment use has been improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the placement plate of the present invention;
FIG. 3 is a schematic view of the internal structure of the limiting frame of the present invention;
FIG. 4 is a schematic diagram illustrating the connection between a rotating shaft and a straight slot rail according to the present invention;
FIG. 5 is a schematic diagram of the connection of the side frame to the mobile plate according to the present invention;
FIG. 6 is a schematic illustration of the connection of a liquid storage tube to a second bellows of the present invention;
FIG. 7 is a schematic view of the structure of the smoke filter unit of the present invention;
fig. 8 is a schematic diagram of the connection between the rotating shaft and the movable frame according to the present invention.
In the figure: 1. placing a plate; 2. a U-shaped supporting frame; 3. a limit frame; 401. a two-way screw rod; 402. a clamping plate; 403. a U-shaped pull rod; 404. placing activated carbon in a bin; 405. a first one-way valve; 406. a side connecting frame; 407. a limiting push rod; 408. a rotation shaft; 409. straight slot slide rail; 410. a pushing rod; 411. a telescopic cylinder; 412. a positioning frame; 413. a movable frame; 414. a laser cutting head; 415. a mounting base; 416. a liquid storage tube; 417. a first L-shaped connecting pipe; 418. a second L-shaped connecting pipe; 419. a connecting hose; 420. a dust filtering bin; 421. a second one-way valve; 422. a connecting plate; 423. a first bellows; 424. a gear ring; 425. a limit guide rod; 426. a moving plate; 427. a bayonet lock; 428. a second bellows; 429. a pressing spring; 430. a piston rod; 431. a shifting rack; 432. an annular gas collecting hood.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Referring to fig. 1 to 8, in an embodiment of the invention, a laser cutting device includes a placement plate 1, a U-shaped support frame 2 is installed at the top of the placement plate 1, a limiting frame 3 is installed at the top of the U-shaped support frame 2, a cutting moving member is disposed at the inner side of the limiting frame 3, an installation seat 415 slidably connected with the U-shaped support frame 2 is connected to the inner side of the limiting frame 3 through the cutting moving member, a laser cutting head 414 is installed at the bottom end of the installation seat 415, a smoke filtering unit connected with the laser cutting head 414 is installed at the outer side of the limiting frame 3, and a self-adaptive distance adjuster connected with the cutting moving member is disposed at the top of the placement plate 1.
In this embodiment: when cutting board, will wait to cut the board and place the top of board 1 earlier, make it be located the below of laser cutting head 414, afterwards carry out spacingly to wait to survey the board through the operation self-adaptation distance regulator, simultaneously adjust the travel distance of laser cutting head 414, start laser cutting head 414 and cutting movable part, make laser cutting head 414 carry out horizontal migration along the horizontal axis of placing board 1 through the function of cutting movable part, carry out cutting treatment to board through the function of laser cutting head 414 in this process, when laser cutting head 414 cuts board, make flue gas filter unit filter, purify the flue gas that the cutting produced through the removal of laser cutting head 414, close laser cutting head 414 and make the board after cutting lose spacingly through the operation self-adaptation distance regulator after the cutting is accomplished, afterwards take the board after cutting.
Referring to fig. 1, 3, 4, 5 and 8, the cutting moving member includes a rotating shaft 408 rotatably connected to two ends of the limiting frame 3 through bearings, a gear ring 424 located outside the limiting frame 3 is installed at one end of the rotating shaft 408, a second L-shaped connecting tube 418 located inside the limiting frame 3 is installed at one end of the rotating shaft 408 away from the gear ring 424, a limiting guide rod 425 is inserted onto the second L-shaped connecting tube 418, a moving plate 426 is installed at one end of the limiting guide rod 425 away from the second L-shaped connecting tube 418, a locking pin 427 is provided on the moving plate 426, a straight slot sliding rail 409 located outside the locking pin 427 is installed at the top of the installation seat 415, a positioning frame 412 is installed at one side of the limiting frame 3, a telescopic cylinder 411 is installed at one side of the positioning frame 412 away from the limiting frame 3, a moving frame 413 slidably connected with the positioning frame 412 is connected to an output end of the telescopic cylinder 411, and a shifting rack 431 meshed with the gear ring 424 is provided at one end of the moving frame 413 away from the telescopic cylinder 411.
In this embodiment: the telescopic cylinder 411 is started, the movable frame 413 is stretched through the stretching of the telescopic cylinder 411 to push the shifting rack 431 to stretch, so that the shifting rack 431 drives the gear ring 424 to rotate, the rotating shaft 408 drives the clamping pin 427 to rotate through the second L-shaped connecting pipe 418, the limiting guide rod 425 and the moving plate 426, the clamping pin 427 drives the straight groove sliding rail 409 to move in the horizontal direction, and the laser cutting head 414 is enabled to move, so that the smoothness of cutting of the plate by the laser cutting head 414 is improved.
Referring to fig. 8, the length of the shifting rack 431 on one side of the latch is half of the circumference of the outer side of the rotation shaft 408, and the length of the straight slot sliding rail 409 is greater than the maximum distance between the movable plate 426 and the center of the rotation shaft 408.
In this embodiment: by providing this structure, the rotation shaft 408 is restored after one hundred and eighty degrees of rotation when the expansion cylinder 411 is contracted once, so that the laser cutting head 414 is reciprocated once in the horizontal direction.
Referring to fig. 1, 2,3, 4, 5 and 6, the adaptive distance adjuster includes a bi-directional screw rod 401 disposed at the top of the placement plate 1 and located at one side of the U-shaped support frame 2, a laser cutting head 414 is mounted at one side of the U-shaped support frame 2 far away from the bi-directional screw rod 401, a clamping plate 402 slidably connected with the laser cutting head 414 is sleeved on the bi-directional screw rod 401, a U-shaped pull rod 403 is mounted at the top of the clamping plate 402, one end of the rotation shaft 408 far away from the second L-shaped connecting tube 418 is rotatably connected with a first L-shaped connecting tube 417 penetrating through the gear ring 424, one end of the first L-shaped connecting tube 417 is mounted with a liquid storage tube 416 located outside the limiting frame 3, a piston rod 430 is inserted into the liquid storage tube 416, a second corrugated expansion tube 428 is disposed between the second L-shaped connecting tube 418 and the moving plate 426, and a pressing spring 429 located outside the second corrugated expansion tube 428 is disposed on the moving plate 426.
In this embodiment: after the plate is placed on the placement plate 1, the bidirectional screw rod 401 is rotated, two clamping plates 402 symmetrically arranged on the bidirectional screw rod 401 are moved in opposite directions through rotation of the bidirectional screw rod 401, so that two sides of the plate are clamped and limited by the clamping plates 402, in the process, the push rod 410 pulls the piston rod 430 along with movement of the clamping plates 402 in a direction away from the liquid storage tube 416, at the moment, water solution in the second corrugated expansion tube 428 enters the liquid storage tube 416 under the extraction of the piston rod 430, meanwhile, the push spring 429 pulls the movable plate 426 under the action of elastic restoring force, the moving distance between the movable plate 426 and the second L-shaped connecting tube 418 is reduced, the moving distance of the clamping plates 402 is equal to the moving distance between the movable plate 426 and the second L-shaped connecting tube 418, the reciprocating moving distance of the laser cutting head 414 is changed, when the rotating shaft 408 rotates by one hundred and eighty degrees, the moving distance of the laser cutting head 414 is the width of the plate, the moving distance of the laser cutting head 414 is adjusted according to the width of the plate, the moving distance of the laser cutting head 414 is not required by a worker, and the working efficiency of the worker is not only adjusted, but also the cutting efficiency of the worker is improved.
Referring to FIG. 6, the diameter of the inner wall of the liquid storage tube 416 is equal to the diameter of the inner wall of the second bellows 428.
In this embodiment: by setting the structure, the moving distance of the piston rod 430 is equal to the moving distance of the moving plate 426, so that the laser cutting head 414 moves to the edge of the plate when the clamping plate 402 clamps and limits the plate, and the cutting accuracy is improved.
Referring to fig. 1 and 2, two clamping plates 402 are provided, and the two clamping plates 402 are symmetrically arranged along the vertical central axis of the bidirectional screw rod 401, and only one clamping plate 402 of the two clamping plates 402 is connected with the push rod 410 through a U-shaped pull rod 403.
In this embodiment: by arranging the structure, when the bidirectional screw rod 401 rotates, the clamping plate 402 drives the piston rod 430 to move towards the direction away from the liquid storage tube 416 through the U-shaped pull rod 403 and the pushing rod 410, so that the piston rod 430 can stably extract the aqueous solution in the second corrugated telescopic tube 428.
Referring to fig. 1, 3,4 and 7, the smoke filtering unit includes a side connecting frame 406 installed on one side of the limiting frame 3 far away from the positioning frame 412, a first corrugated telescopic tube 423 installed on one side of the side connecting frame 406 far away from the limiting frame 3, a connecting plate 422 installed on one side of the first corrugated telescopic tube 423 far away from the side connecting frame 406, a first one-way valve 405 installed at one end of the connecting plate 422, an active carbon placing bin 404 installed at an exhaust end of the side connecting frame 406, a second one-way valve 421 installed at a bottom of the side connecting frame 406, a dust filtering bin 420 installed at a bottom end of the second one-way valve 421, an annular gas collecting cover 432 installed at a bottom of the mounting seat 415 and located outside the laser cutting head 414, a connecting hose 419 connected with the dust filtering bin 420 installed on the annular gas collecting cover 432, and a limiting push rod 407 penetrating the side connecting frame 406 and connected with the connecting plate 422 installed on an outer wall of the straight slot slide rail 409.
In this embodiment: when the straight slot sliding rail 409 drives the laser cutting head 414 to move, the straight slot sliding rail 409 pushes the limiting push rod 407 to move, at this time, the limiting push rod 407 pushes the connecting plate 422 to move towards a direction far away from the side connecting frame 406, at this time, the first corrugated telescopic pipe 423 stretches, the space between the side connecting frame 406 and the connecting plate 422 increases, so that the inner side of the first corrugated telescopic pipe 423 is in a negative pressure state, the smoke dust generated by cutting a plate by the laser cutting head 414 enters the first corrugated telescopic pipe 423 through the annular gas collecting cover 432, the connecting hose 419, the dust filtering bin 420 and the second one-way valve 421, at this time, dust particles in the smoke dust are filtered through the dust filtering bin 420, and when the laser cutting head 414 is restored, the limiting push rod 407 drives the connecting plate 422 to move towards the side connecting frame 406, so that gas on the inner side of the first corrugated telescopic pipe 423 is discharged through the first one-way valve 405 and the active carbon placing bin 404, the smoke dust generated by cutting the plate by the laser cutting head 414 is filtered and purified, so that the working environment is improved, the influence on the body safety of workers caused by cutting smoke dust is prevented.
Referring to fig. 4 and 7, an air inlet of the second check valve 421 is connected to the dust filtering bin 420, an air outlet of the second check valve 421 is connected to the side connecting frame 406, and an air inlet end of the first check valve 405 is connected to the connecting plate 422.
In this embodiment: by providing this structure, the gas inside the first bellows 423 flows in one direction, and thus the flue gas around the laser cutting head 414 is extracted in one direction.
Referring to fig. 4 and 7, the extension length of the first bellows 423 is equal to the maximum distance moved by the straight slot rail 409.
In this embodiment: by providing this structure, the expansion and contraction of the first bellows 423 and the movement of the stopper push rod 407 are synchronized.
The following provides a laser cutting method by combining the laser cutting device, which specifically comprises the following steps:
S1: when cutting a plate, firstly placing the plate to be cut on the top of the placing plate 1 to be positioned below the laser cutting head 414, rotating the bidirectional screw rod 401, and moving two clamping plates 402 symmetrically arranged on the bidirectional screw rod 401 in opposite directions by rotating the bidirectional screw rod 401 to clamp and limit two sides of the plate by the clamping plates 402, wherein in the process, the push rod 410 pulls the piston rod 430 along with the movement of the clamping plates 402 in a direction away from the liquid storage tube 416, at the same time, partial water solution in the second corrugated expansion tube 428 enters the liquid storage tube 416 under the extraction of the piston rod 430, and simultaneously, the compression spring 429 pulls the moving plate 426 under the action of elastic restoring force, so that the distance between the moving plate 426 and the second L-shaped connecting tube 418 is reduced, and the moving distance of the clamping plates 402 is equal to the moving distance of the moving plate 426 towards the second L-shaped connecting tube 418, so that the reciprocating moving distance of the laser cutting head 414 is changed;
S2: starting a telescopic cylinder 411, and enabling a movable frame 413 to push a shifting rack 431 to stretch through stretching of the telescopic cylinder 411, so that the shifting rack 431 drives a gear ring 424 to rotate, and a rotating shaft 408 drives a clamping pin 427 to rotate through a second L-shaped connecting pipe 418, a limiting guide rod 425 and a moving plate 426, so that the clamping pin 427 drives a straight groove sliding rail 409 to move in the horizontal direction, and a laser cutting head 414 is enabled to move;
s3: when the straight groove slide rail 409 drives the laser cutting head 414 to move, the straight groove slide rail 409 pushes the limiting push rod 407 to move, at the moment, the limiting push rod 407 pushes the connecting plate 422 to move towards a direction far away from the side connecting frame 406, at the moment, the first corrugated telescopic pipe 423 stretches, the space between the side connecting frame 406 and the connecting plate 422 increases, so that the inner side of the first corrugated telescopic pipe 423 is in a negative pressure state, smoke dust generated by cutting a plate piece by the laser cutting head 414 enters the first corrugated telescopic pipe 423 through the annular gas collecting cover 432, the connecting hose 419, the dust filtering bin 420 and the second one-way valve 421, at the moment, dust particles in the smoke dust are filtered through the dust filtering bin 420, and when the laser cutting head 414 is restored, the straight groove slide rail 409 drives the connecting plate 422 to move towards the side connecting frame 406 through the limiting push rod 407, so that gas on the inner side of the first corrugated telescopic pipe 423 is discharged through the first one-way valve 405 and the active carbon placing bin 404, and the smoke dust generated by cutting the plate piece by the laser cutting head 414 is filtered and purified, so that the working environment is improved, the influence on the body safety of workers caused by the smoke dust generated by cutting is prevented;
S4: after cutting is completed, the laser cutting head 414 is closed and the cut plate is taken out.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a laser cutting device, includes places board (1), its characterized in that, place the top of board (1) and install U type support frame (2), spacing frame (3) are installed on the top of U type support frame (2), the inboard of spacing frame (3) is provided with the cutting movable part, the inboard of spacing frame (3) be connected with through the cutting movable part with U type support frame (2) sliding connection's mount pad (415), laser cutting head (414) are installed to the bottom of mount pad (415), the flue gas filter unit that links to each other with laser cutting head (414) is installed in the outside of spacing frame (3), the top of placing board (1) is provided with the self-adaptation distance adjuster that links to each other with the cutting movable part;
The cutting movable piece comprises a rotating shaft (408) which is rotationally connected to two ends of a limiting frame (3) through a bearing, one end of the rotating shaft (408) is provided with a gear ring (424) which is positioned on the outer side of the limiting frame (3), one end of the rotating shaft (408) which is far away from the gear ring (424) is provided with a second L-shaped connecting pipe (418) which is positioned on the inner side of the limiting frame (3), the second L-shaped connecting pipe (418) is inserted with a limiting guide rod (425), one end of the limiting guide rod (425) which is far away from the second L-shaped connecting pipe (418) is provided with a movable plate (426), the movable plate (426) is provided with a bayonet lock (427), the top of the mounting seat (415) is provided with a straight slot sliding rail (409) which is positioned on the outer side of the bayonet lock (427), one side of the limiting frame (3) is provided with a positioning frame (412), one side of the positioning frame (412) which is far away from the limiting frame (3) is provided with a telescopic cylinder (411), the output end of the telescopic cylinder (411) is connected with a movable frame (413) which is in sliding connection with the positioning frame (412), one side of the telescopic cylinder (431) which is far away from the circumference of the rotary frame (411), one side of the rotary frame (408) is provided with a rotary frame, the length of the straight groove sliding rail (409) is larger than the maximum distance between the moving plate (426) and the circle center of the rotating shaft (408);
The self-adaptive distance adjuster comprises a bidirectional screw rod (401) arranged at the top of a placing plate (1) and positioned at one side of a U-shaped supporting frame (2), a laser cutting head (414) is arranged at one side of the U-shaped supporting frame (2) away from the bidirectional screw rod (401), a clamping plate (402) is sleeved on the bidirectional screw rod (401), a U-shaped guide pull rod (403) is arranged at the top of the clamping plate (402), a first L-shaped connecting pipe (417) penetrating through a gear ring (424) is rotatably connected with one end of a rotating shaft (408) away from a second L-shaped connecting pipe (418), a liquid storage pipe (416) positioned at the outer side of a limiting frame (3) is arranged at one end of the first L-shaped connecting pipe (417), a piston rod (430) is inserted into one end of the liquid storage pipe (416), a push rod (410) connected with the U-shaped guide pull rod (403) is arranged at one end of the piston rod (430) away from the liquid storage pipe (416), a second telescopic pipe (428) is arranged between the second L-shaped connecting pipe (418) and a moving plate (426), a second telescopic pipe (428) is rotatably connected with one end of the second L-shaped connecting pipe (426) and a second corrugated pipe (426) and a water storage pipe (428) is arranged at the outer side of the second corrugated pipe (428), the diameter of the inner wall of the liquid storage pipe (416) is equal to that of the inner wall of the second corrugated expansion pipe (428);
two clamping plates (402) are arranged in number, the two clamping plates (402) are symmetrically arranged along the vertical central axis of the bidirectional screw rod (401), and only one clamping plate (402) in the two clamping plates (402) is connected with the pushing rod (410) through a U-shaped pull rod (403);
The flue gas filtering unit is including installing in the side that spacing frame (3) kept away from locating rack (412) one side links frame (406), side is kept away from one side that spacing frame (3) is installed flexible pipe (423) of first ripple, connecting plate (422) are installed to one side that side is kept away from to flexible pipe (423) of first ripple, one end of connecting plate (422) is provided with first check valve (405), side is equipped with active carbon and places storehouse (404) in the exhaust end of frame (406), the bottom that side links frame (406) is provided with second check valve (421), dust filtration storehouse (420) are installed to the bottom of second check valve (421), annular gas collecting channel (432) that are located laser cutting head (414) outside are installed to the bottom of mount pad (415), be provided with on annular gas collecting channel (432) with dust filtration storehouse (420) continuous coupling hose (419), the outer wall of straight flute slide rail (409) is installed and is run through side and is placed storehouse (406) and push rod (407) continuous spacing with connecting plate (407).
2. A laser cutting device according to claim 1, characterized in that the air inlet of the second one-way valve (421) is connected to the dust filtering bin (420), the air outlet of the second one-way valve (421) is connected to the side connecting frame (406), and the air inlet end of the first one-way valve (405) is connected to the connecting plate (422).
3. A laser cutting device according to claim 1, characterized in that the extension length of the first bellows (423) is equal to the maximum distance moved by the straight slot rail (409).
4. A laser cutting method, characterized by being applied to the laser cutting device as claimed in any one of claims 1 to 3, comprising the steps of:
S1: when cutting the plate, firstly placing the plate to be cut on the top of the placing plate (1) to enable the plate to be cut to be positioned below the laser cutting head (414), then limiting the plate to be detected by operating the self-adaptive distance adjuster, and adjusting the moving distance of the laser cutting head (414);
s2: starting a laser cutting head (414) and a cutting movable piece, enabling the laser cutting head (414) to horizontally move along the transverse central axis of the placing plate (1) through the operation of the cutting movable piece, and cutting the plate through the operation of the laser cutting head (414) in the process;
S3: when the laser cutting head (414) cuts the plate, the smoke filtering unit filters and purifies smoke generated by cutting through the movement of the laser cutting head (414);
s4: closing the laser cutting head (414) after cutting is completed and enabling the cut plate to lose limit by operating the self-adaptive distance adjuster;
S5: and taking the cut plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410407048.8A CN117983982B (en) | 2024-04-07 | 2024-04-07 | Laser cutting device and cutting method thereof |
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| CN202410407048.8A CN117983982B (en) | 2024-04-07 | 2024-04-07 | Laser cutting device and cutting method thereof |
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| CN117983982B true CN117983982B (en) | 2024-06-04 |
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| CN117983982A (en) | 2024-05-07 |
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