CN114147345A - Laser cutting machine capable of automatically adjusting focusing of laser beam - Google Patents
Laser cutting machine capable of automatically adjusting focusing of laser beam Download PDFInfo
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- CN114147345A CN114147345A CN202210117897.0A CN202210117897A CN114147345A CN 114147345 A CN114147345 A CN 114147345A CN 202210117897 A CN202210117897 A CN 202210117897A CN 114147345 A CN114147345 A CN 114147345A
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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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- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
- B23K26/048—Automatically focusing the laser beam by controlling the distance between laser head 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The invention relates to the technical field of laser cutting machines, and discloses a laser cutting machine capable of automatically adjusting laser beam focusing, which comprises a rack, a workbench, a cross beam and a laser head, wherein the cross beam is connected to the inner wall of the rack in a sliding manner; when the regulation of laser head has surpassed the slip control range of supporting the board, alright rotate the adjustment motor for the output shaft of adjustment motor is on the second screw rod, and simultaneously, trapezoidal plate adsorbs the bottom of fixing the fine-tuning board on the attachment strap, and the rotation of second screw rod just can drive the attachment strap and slide and rise, and the slip of attachment strap rises just can drive trapezoidal plate and laser head and carry out the rising regulation that continues, thereby realizes the high adjustment of focusing of laser head to thicker panel.
Description
Technical Field
The invention relates to the technical field of laser cutting machines, in particular to a laser cutting machine capable of automatically adjusting focusing of laser beams.
Background
The laser cutting machine focuses laser emitted from a laser into a laser beam with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to make the workpiece reach a melting point or a boiling point, and simultaneously, the high-pressure gas coaxial with the laser beam blows away the molten or gasified metal.
Laser cutting machine on the existing market all need adjust focusing of laser head when using, should focus the adjustment just for the vertical height adjustment between laser head and the work piece to adopt the fine setting technique to adjust the height of laser head mostly, when the work piece was thick, laser cutting machine's fine setting just is difficult to satisfy the demand of focusing of laser head, leads to thick work piece to be difficult to carry out cutting process on laser cutting machine.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the laser cutting machine capable of automatically adjusting the focusing of the laser beam, which has the advantage of switching the focusing adjustment mode and solves the problem that a thicker workpiece is difficult to cut on the laser cutting machine.
(II) technical scheme
In order to achieve the purpose of converting the focusing adjustment mode, the invention provides the following technical scheme: the utility model provides a but laser cutting machine that automatically regulated laser beam was focused, includes frame, workstation, sliding connection in the crossbeam and the laser head of frame inner wall, inside the workstation was fixed in the frame, still includes regulating plate, trapezoidal plate, supports board, accommodate motor and second screw rod, regulating plate sliding connection in crossbeam, trapezoidal plate passes through linkage plate fixed connection in the laser head to through linkage plate sliding connection in regulating plate, trapezoidal plate is located and supports the board upper surface, first screw rod meshes in and supports the board, accommodate motor's output shaft magnetism connects in the one end of first screw rod and second screw rod, the fixed riser that is provided with in inside of regulating plate, accommodate motor rotates and connects in the riser, the outer wall of riser slides and is provided with the attachment strap, the attachment strap meshes in the second screw rod, the top magnetism of trapezoidal plate connects in the attachment strap.
Preferably, the motor-driven trolley further comprises a first motor and a first screw rod, the first motor is fixed inside the rack, the output end of the first motor is in transmission connection with the first screw rod, sliding blocks are fixedly arranged at two ends of the cross beam, and the first screw rod penetrates through and is in meshing connection with the sliding blocks.
Preferably, the motor further comprises a second motor and a second screw rod, the second motor is fixed outside one end of the cross beam, two ends of the second screw rod are rotatably connected to the cross beam, and the output end of the second motor is in transmission connection with the second screw rod.
Preferably, still including being the fixed block of L form, fixed block sliding connection is in the crossbeam, and one end meshing connects in the second lead screw, and other end fixed connection is in the regulating plate.
Preferably, the outer wall of frame inner wall, the inside and the regulating plate of crossbeam has all seted up the spout, the slider sliding connection that the crossbeam set up through both ends in the spout of frame inner wall, fixed block sliding connection is in the inside spout of crossbeam, connection plate sliding connection is in the spout of regulating plate outer wall.
Preferably, a turntable is arranged in the vertical plate, the turntable is connected to the vertical plate in a rotating mode, the adjusting motor is fixed to one side wall of the turntable, a transmission motor is fixedly arranged on the inner wall of the adjusting plate, and an output shaft of the transmission motor is connected to the turntable in a transmission mode.
Preferably, an output shaft of the adjusting motor is fixedly provided with a telescopic rod, one end of the telescopic rod is fixedly provided with a first electromagnetic plate, one ends of the first screw rod and the second screw rod are both fixedly provided with a magnetic block, and the first electromagnetic plate is matched with the magnetic block.
Preferably, the outer wall of the second screw rod is sleeved with a sleeve shaft, the sleeve shaft is in threaded engagement with the second screw rod, the attachment strap is fixedly connected to the outer wall of the sleeve shaft, the bottom of the vertical plate is fixedly connected to the supporting plate, the supporting plate is fixedly connected to the inner wall of the adjusting plate, and the abutting plate is slidably connected to the upper surface of the supporting plate.
Preferably, the top of trapezoidal board is fixed and is provided with the metal block, access board intermediate position department is equipped with the fine tuning board, the bottom of fine tuning board and with the corresponding position department of metal block is fixed and is equipped with the second electromagnetic plate, the metal block magnetism connect in the second electromagnetic plate.
Preferably, the fixed fine setting motor that is equipped with in inside of access board, the output transmission of fine setting motor connect in, the both sides of fine setting board are equipped with the swash plate, swash plate sliding connection is in the access board to the meshing is connected in two-way screw rod.
(III) advantageous effects
Compared with the prior art, the invention provides the laser cutting machine capable of automatically adjusting the focusing of the laser beam, which has the following beneficial effects:
1. the laser cutting machine capable of automatically adjusting the focusing of the laser beam comprises a vertical plate, wherein an adjusting motor capable of rotating to change the reverse direction of an output shaft is arranged on the vertical plate, when the output shaft of the adjusting motor is connected onto a first screw rod, the adjusting motor can drive a supporting plate to slide through the output shaft, because inclined planes between the supporting plate and a trapezoidal plate are arranged oppositely, the sliding of the supporting plate can drive the trapezoidal plate to ascend and synchronously drive a laser head to ascend in height, when the adjustment of the laser head exceeds the sliding adjustment range of the supporting plate, the adjusting motor can be rotated, so that the output shaft of the adjusting motor is connected onto a second screw rod, meanwhile, the trapezoidal plate is adsorbed and fixed at the bottom of a fine adjustment plate on the supporting plate, the rotation of the second screw rod can drive the supporting plate to slide and ascend, the sliding and ascending of the supporting plate can drive the trapezoidal plate and the laser head to carry out continuous ascending adjustment, thereby realizing the adjustment of the focusing height of the laser head to the thicker plate.
2. This but laser cutting machine of automatically regulated laser beam focusing, ladder-shaped plate is fixed on the fine-tuning piece at attachment strap middle part through the mode that magnetism connects in the in-process that uses, when the maximum height adjustment of support plate to ladder-shaped plate is not conform to the focusing adjustment of laser head, alright fix its magnetism through the metal block on fine-tuning plate, rise through the continuation of attachment strap afterwards and drive ladder-shaped plate and rise to the height that realizes the laser head continuation is focused and is adjusted.
3. This but laser cutting machine that automatically regulated laser beam was focused, one end through at first screw rod and second screw rod sets up the magnetic path, and first electromagnetic plate through the regulation motor output shaft control its with first screw rod and second screw rod be connected, when first electromagnetic plate is not electrified, the metal system of first electromagnetic plate makes its and first screw rod and the magnetism on the second screw rod be connected, when first electromagnetic plate is electrified, the magnetism that first electromagnetic plate produced is the same with the magnetism on the magnetic path, make first electromagnetic plate and magnetic path repel each other, the regulation motor just loses the connection with between first screw rod or the second screw rod this moment, alright rotate by oneself and switch, and then satisfy the switching to the not co-altitude of laser head.
4. This but laser cutting machine that automatically regulated laser beam was focused, connect on the fine-tuning board as trapezoidal plate magnetism, and when adjusting trapezoidal plate and laser head through the second screw rod, the rotation of second screw rod drives the attachment strap and rises, and realize the coarse adjustment to the laser head, after the coarse adjustment, alright drive the two-way screw rod on the output through fine setting motor and rotate, two-way screw rod drives two swash plates and removes in opposite directions, under the extrusion of two swash plates, realize the fine setting after the laser head coarse adjustment, make the speed of the high adjustment of focusing of laser head faster and the degree of accuracy is higher.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a cross beam structure according to the present invention;
FIG. 3 is a partial cross-sectional structural view of a beam according to the present invention;
FIG. 4 is a schematic view of an adjusting plate according to the present invention;
FIG. 5 is a schematic view of the trapezoidal plate connection structure of the present invention;
FIG. 6 is a schematic view of the inner structure of the adjusting plate according to the present invention;
FIG. 7 is a schematic view of a first screw drive configuration of the present invention;
FIG. 8 is a schematic view of the construction of the strap of the present invention;
FIG. 9 is a schematic view of the internal structure of the strap of the present invention;
FIG. 10 is a schematic view of the structure of the motor after rotation is adjusted;
FIG. 11 is a schematic view of a second screw drive configuration of the present invention.
In the figure: 1. a frame; 2. a work table; 3. a cross beam; 4. an adjusting plate; 5. a laser head; 6. a first motor; 7. a first lead screw; 8. a second motor; 9. a second lead screw; 10. a slider; 11. a fixed block; 12. a connector tile; 13. a trapezoidal plate; 14. a resisting plate; 15. a first screw; 16. a support plate; 17. adjusting the motor; 18. a turntable; 19. a drive motor; 20. a vertical plate; 21. a butt strap; 22. a sleeve shaft; 23. a second screw; 24. a first electromagnetic plate; 25. a telescopic rod; 26. a magnetic block; 27. a metal block; 28. a second electromagnetic plate; 29. a fine adjustment plate; 30. a sloping plate; 31. a bidirectional screw; 32. and (5) finely adjusting the motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-6 and 10, a laser cutting machine capable of automatically adjusting focusing of a laser beam includes a frame 1, a worktable 2, a beam 3 slidably connected to an inner wall of the frame 1, a laser head 5, a worktable 2 fixed inside the frame 1, an adjusting plate 4, a trapezoidal plate 13, a support plate 14, an adjusting motor 17, and a second screw 23, wherein the adjusting plate 4 is slidably connected to the beam 3, the trapezoidal plate 13 is fixedly connected to the laser head 5 through a connecting plate 12 and slidably connected to the adjusting plate 4 through the connecting plate 12, the trapezoidal plate 13 is located on an upper surface of the support plate 14, the first screw 15 is engaged with the support plate 14, an output shaft of the adjusting motor 17 is magnetically connected to one end of the first screw 15 and the second screw 23, a vertical plate 20 is fixedly disposed inside the adjusting plate 4, the adjusting motor 17 is rotatably connected to the vertical plate 20, an attachment plate 21 is slidably disposed on an outer wall of the vertical plate 20, the attachment plate 21 is engaged with the second screw 23, the top of the trapezoidal plate 13 is magnetically connected with the butt strap 21; the automatic feeding device is characterized by further comprising a first motor 6 and a first screw rod 7, wherein the first motor 6 is fixed inside the rack 1, the output end of the first motor is in transmission connection with the first screw rod 7, two ends of the cross beam 3 are fixedly provided with sliding blocks 10, and the first screw rod 7 penetrates through and is in meshing connection with the sliding blocks 10; the device also comprises a second motor 8 and a second screw rod 9, wherein the second motor 8 is fixed outside one end of the cross beam 3, two ends of the second screw rod 9 are rotatably connected to the cross beam 3, and the output end of the second motor 8 is in transmission connection with the second screw rod 9; the device also comprises an L-shaped fixed block 11, the fixed block 11 is connected to the cross beam 3 in a sliding manner, one end of the fixed block is connected to the second screw rod 9 in a meshed manner, and the other end of the fixed block is fixedly connected to the adjusting plate 4; the inner wall of the frame 1, the inner part of the cross beam 3 and the outer wall of the adjusting plate 4 are provided with sliding grooves, the cross beam 3 is connected with the sliding grooves of the inner wall of the frame 1 through sliding blocks 10 arranged at two ends, the fixed block 11 is connected with the sliding grooves of the inner part of the cross beam 3 in a sliding mode, and the connecting plate 12 is connected with the sliding grooves of the outer wall of the adjusting plate 4 in a sliding mode.
The working principle is that in the using process, a workpiece to be processed is firstly placed on the workbench 2, then the laser head 5 is used for cutting the workpiece, when the position of the laser head 5 needs to be adjusted, firstly, the first motor 6 starts to work, the first motor 6 drives the first screw rod 7 at the output end to rotate, due to the thread meshing connection relationship between the slide block 10 and the first screw rod 7, the rotation of the first screw rod 7 can drive the slide block 10 to move on the first screw rod 7, meanwhile, the two ends of the cross beam 3 can slide in the sliding groove on the inner wall of the rack 1 through the slide block 10, at the moment, the slide of the cross beam 3 can drive the laser head 5 to move transversely, secondly, when the second motor 8 starts to work, the second screw rod 9 at the output end can be driven to rotate, the rotation of the second screw rod 9 can drive the fixed block 11 meshed thereon to move, the fixing block 11 is enabled to move in the sliding groove formed in the beam 3, and because the fixing block 11 is in an L shape, one end of the fixing block 11, which is far away from the second screw rod 9, is fixedly connected to the adjusting plate 4, and then the movement of the fixing block 11 can synchronously drive the laser head 5 on the adjusting plate 4 to move longitudinally, under the action of the first motor 6 and the second motor 8, the transverse and longitudinal movement adjustment of the laser head 5 can be realized, and the fixing block is adapted to the processing of a workpiece, when the focusing adjustment of the laser head 5 needs to be performed, the adjusting motor 17 can be started, the first screw rod 15 on the output shaft is driven to rotate by the rotation of the output shaft of the adjusting motor 17, the rotation of the first screw rod 15 drives the abutting plate 14 to slide on the supporting plate 16, and the inclined surfaces of the abutting plate 14 and the trapezoidal plate 13 are arranged oppositely, so that the sliding of the abutting plate 14 can push the trapezoidal plate 13 to ascend, and the ascending of the trapezoidal plate 13 drives the laser head 5 to perform height adjustment, and then the sliding of the abutting plate 14 can realize the fine adjustment of the height of the laser head 5, when the height adjustment of the abutting plate 14 does not meet the height focusing adjustment of the laser head 5, the transmission motor 19 can be started, the rotating disc 18 on the output is driven to rotate on the vertical plate 20 through the rotation of the transmission motor 19, the adjusting motor 17 is driven to rotate while rotating, the output shaft of the adjusting motor 17 is magnetically connected on the second screw rod 23, and the second screw rod 23 is utilized to perform subsequent height focusing adjustment on the output shaft.
To sum up, in the laser cutting machine capable of automatically adjusting the focusing of the laser beam, the adjusting motor 17 capable of rotating to change the reverse direction of the output shaft is arranged on the vertical plate 20, when the output shaft of the adjusting motor 17 is connected to the first screw 15, the adjusting motor 17 can drive the abutting plate 14 to slide through the output shaft, because the inclined planes between the abutting plate 14 and the trapezoidal plate 13 are arranged oppositely, the sliding of the abutting plate 14 can drive the trapezoidal plate 13 to ascend, and synchronously drive the laser head 5 to ascend in height, when the adjustment of the laser head 5 exceeds the sliding adjustment range of the abutting plate 14, the adjusting motor 17 can be rotated, so that the output shaft of the adjusting motor 17 is connected to the second screw 23, meanwhile, the trapezoidal plate 13 adsorbs the bottom of the fine adjustment plate 29 fixed on the butt plate 21, the rotation of the second screw 23 can drive the butt plate 21 to ascend in a sliding manner, the sliding and rising of the butt strap 21 drives the trapezoidal plate 13 and the laser head 5 to perform continuous rising adjustment, so that the focusing height of the laser head 5 on the thick plate is adjusted.
Example two
Referring to fig. 6, 7, 10 and 11, a laser cutting machine capable of automatically adjusting focusing of a laser beam comprises a frame 1, a worktable 2, a beam 3 and a laser head 5 slidably connected to an inner wall of the frame 1, the worktable 2 is fixed inside the frame 1, and further comprises an adjusting plate 4, a trapezoidal plate 13, a supporting plate 14, an adjusting motor 17 and a second screw 23, the adjusting plate 4 is slidably connected to the beam 3, the trapezoidal plate 13 is fixedly connected to the laser head 5 through a connecting plate 12 and slidably connected to the adjusting plate 4 through the connecting plate 12, the trapezoidal plate 13 is located on an upper surface of the supporting plate 14, the first screw 15 is engaged with the supporting plate 14, an output shaft of the adjusting motor 17 is magnetically connected to one end of the first screw 15 and the second screw 23, a vertical plate 20 is fixedly arranged inside the adjusting plate 4, the adjusting motor 17 is rotatably connected to the vertical plate 20, an attachment plate 21 is slidably arranged on an outer wall of the vertical plate 20, the attachment plate 21 is engaged with the second screw 23, the top of the trapezoidal plate 13 is magnetically connected with the butt strap 21; a turntable 18 is arranged in the vertical plate 20, the turntable 18 is rotatably connected to the vertical plate 20, the adjusting motor 17 is fixed on one side wall of the turntable 18, a transmission motor 19 is fixedly arranged on the inner wall of the adjusting plate 4, and an output shaft of the transmission motor 19 is in transmission connection with the turntable 18; an output shaft of the adjusting motor 17 is fixedly provided with a telescopic rod 25, one end of the telescopic rod 25 is fixedly provided with a first electromagnetic plate 24, one ends of the first screw rod 15 and the second screw rod 23 are both fixedly provided with a magnetic block 26, and the first electromagnetic plate 24 is matched with the magnetic block 26; the outer wall of the second screw 23 is sleeved with a sleeve shaft 22, the sleeve shaft 22 is in threaded engagement with the second screw 23, the lapping plate 21 is fixedly connected to the outer wall of the sleeve shaft 22, the bottom of the vertical plate 20 is fixedly connected to the supporting plate 16, the supporting plate 16 is fixedly connected to the inner wall of the adjusting plate 4, and the abutting plate 14 is slidably connected to the upper surface of the supporting plate 16.
The working principle is that in the using process, a workpiece to be processed is firstly placed on the workbench 2, then the laser head 5 is used for cutting the workpiece, when the position of the laser head 5 needs to be adjusted, firstly, the first motor 6 starts to work, the first motor 6 drives the first screw rod 7 at the output end to rotate, due to the thread meshing connection relationship between the slide block 10 and the first screw rod 7, the rotation of the first screw rod 7 can drive the slide block 10 to move on the first screw rod 7, meanwhile, the two ends of the cross beam 3 can slide in the sliding groove on the inner wall of the rack 1 through the slide block 10, at the moment, the slide of the cross beam 3 can drive the laser head 5 to move transversely, secondly, when the second motor 8 starts to work, the second screw rod 9 at the output end can be driven to rotate, the rotation of the second screw rod 9 can drive the fixed block 11 meshed thereon to move, the fixed block 11 moves in the sliding groove formed in the beam 3, and because the fixed block 11 is in an L shape, one end of the fixed block 11, which is far away from the second screw rod 9, is fixedly connected to the adjusting plate 4, so that the movement of the fixed block 11 can synchronously drive the laser head 5 on the adjusting plate 4 to move longitudinally, under the action of the first motor 6 and the second motor 8, the transverse and longitudinal movement adjustment of the laser head 5 can be realized, and the fixed block is adaptive to the processing of a workpiece, when the height adjustment of the abutting plate 14 does not meet the height focusing adjustment of the laser head 5, the adjusting motor 17 can control the first screw rod 15 to drive the abutting plate 14 to push the trapezoidal plate 13 to the highest position, at the moment, the top of the trapezoidal plate 13 is contacted with the bottom of the fine adjustment plate 29, and then the power supply of the second electromagnetic plate 28 at the bottom of the fine adjustment plate 29 is switched on, so that the second electromagnetic plate 28 generates magnetism to adsorb the metal block 27 at the top of the trapezoidal plate 13, therefore, the trapezoidal plate 13 is magnetically fixed at the bottom of the fine adjustment plate 29 through the metal block 27, then the power supply of the first electromagnetic plate 24 is switched on, so that the first electromagnetic plate 24 generates the same magnetism as the corresponding magnetic block 26, the first electromagnetic plate 24 is separated from the magnetic block 26 according to the principle that like poles repel each other, meanwhile, the telescopic rod 25 is adaptively contracted in the process that the two repel each other, then the transmission motor 19 drives the rotary disc 18 on the output shaft to rotate on the vertical plate 20 and drives the adjusting motor 17 to rotate, so that the output shaft of the adjusting motor 17 corresponds to the second screw 23, then the power supply of the first electromagnetic plate 24 on the output shaft is turned off, so that the magnetic block is demagnetized, due to the arrangement of the metal material of the first electromagnetic plate 24, the first electromagnetic plate 24 is attracted to the magnetic block 26 at one end of the second screw 23 after being demagnetized, and the telescopic rod 25 on the output shaft is adaptively stretched in the attracting process, after first electromagnetic plate 24 magnetism connects on second screw 23, the output shaft of adjusting motor 17 just can connect on second screw 23, start adjusting motor 17 afterwards, drive second screw 23 through adjusting motor 17's output shaft and rotate, the rotation of second screw 23 drives sleeve shaft 22 and attachment strap 21 and carries out the rising motion, trapezoidal plate 13 of fine tuning board 29 bottom moves along with the rising of attachment strap 21 simultaneously, realize the subsequent altitude mixture control of laser head 5 under second screw 23's effect, otherwise, adjusting motor 17 only need reverse implementation on being converted to first screw 15 from second screw 23.
In summary, according to the laser cutting machine capable of automatically adjusting the focusing of the laser beam, the magnetic block 26 is arranged at one end of the first screw rod 15 and one end of the second screw rod 23, the connection between the first electromagnetic plate 24 and the first screw rod 15 and the connection between the first electromagnetic plate 24 and the second screw rod 23 are controlled by adjusting the first electromagnetic plate 24 of the output shaft of the motor 17, when the first electromagnetic plate 24 is not electrified, the metal of the first electromagnetic plate 24 enables the first electromagnetic plate 24 to be magnetically connected with the magnetic block 26 on the first screw rod 15 and the second screw rod 23, when the first electromagnetic plate 24 is electrified, the magnetism generated by the first electromagnetic plate 24 is the same as the magnetism generated on the magnetic block 26, so that the first electromagnetic plate 24 and the magnetic block 26 repel each other, at this time, the adjustment motor 17 loses the connection with the first screw rod 15 or the second screw rod 23, and can be automatically rotated and switched, and further the switching of different heights of the laser head 5 is satisfied.
EXAMPLE III
Referring to fig. 8-9, a laser cutting machine capable of automatically adjusting focusing of laser beams comprises a frame 1, a worktable 2, a beam 3 and a laser head 5 slidably connected to an inner wall of the frame 1, the worktable 2 is fixed inside the frame 1, the laser cutting machine further comprises an adjusting plate 4, a trapezoidal plate 13, a supporting plate 14, an adjusting motor 17 and a second screw 23, the adjusting plate 4 is slidably connected to the beam 3, the trapezoidal plate 13 is fixedly connected to the laser head 5 through a connecting plate 12 and slidably connected to the adjusting plate 4 through the connecting plate 12, the trapezoidal plate 13 is located on an upper surface of the supporting plate 14, the first screw 15 is engaged with the supporting plate 14, an output shaft of the adjusting motor 17 is magnetically connected to one end of the first screw 15 and one end of the second screw 23, a vertical plate 20 is fixedly arranged inside the adjusting plate 4, the adjusting motor 17 is rotatably connected to the vertical plate 20, an attachment plate 21 is slidably arranged on an outer wall of the vertical plate 20, the attachment plate 21 is engaged with the second screw 23, the top of the trapezoidal plate 13 is magnetically connected with the butt strap 21; a metal block 27 is fixedly arranged at the top of the trapezoidal plate 13, a fine adjustment plate 29 is arranged at the middle position of the butt strap 21, a second electromagnetic plate 28 is fixedly arranged at the bottom of the fine adjustment plate 29 and at the position corresponding to the metal block 27, and the metal block 27 is magnetically connected to the second electromagnetic plate 28; a fine adjustment motor 32 is fixedly arranged inside the butt strap 21, the output end of the fine adjustment motor 32 is in transmission connection with a bidirectional screw 31, inclined plates 30 are arranged on two sides of a fine adjustment plate 29, and the inclined plates 30 are in sliding connection with the butt strap 21 and are in meshed connection with the bidirectional screw 31.
The working principle is that in the using process, a workpiece to be processed is firstly placed on the workbench 2, then the laser head 5 is used for cutting the workpiece, when the position of the laser head 5 needs to be adjusted, firstly, the first motor 6 starts to work, the first motor 6 drives the first screw rod 7 at the output end to rotate, due to the thread meshing connection relationship between the slide block 10 and the first screw rod 7, the rotation of the first screw rod 7 can drive the slide block 10 to move on the first screw rod 7, meanwhile, the two ends of the cross beam 3 can slide in the sliding groove on the inner wall of the rack 1 through the slide block 10, at the moment, the slide of the cross beam 3 can drive the laser head 5 to move transversely, secondly, when the second motor 8 starts to work, the second screw rod 9 at the output end can be driven to rotate, the rotation of the second screw rod 9 can drive the fixed block 11 meshed thereon to move, the fixed block 11 moves in the sliding groove formed in the beam 3, and because the fixed block 11 is in an L shape, one end of the fixed block 11 far away from the second screw rod 9 is fixedly connected to the adjusting plate 4, and then the movement of the fixed block 11 can synchronously drive the laser head 5 on the adjusting plate 4 to move longitudinally, under the action of the first motor 6 and the second motor 8, the transverse and longitudinal movement adjustment of the laser head 5 can be realized, and the fixed block is adapted to the processing of a workpiece, after the trapezoidal plate 13 is roughly adjusted to a certain extent through the rotation of the second screw rod 23, the fine adjustment motor 32 can be started to rotate, the fine adjustment motor 32 drives the bidirectional screw rod 31 on the output end to rotate, the bidirectional screw rod 31 is positioned on one side of the fine adjustment plate 29, and the bidirectional screw rod 31 is provided with two opposite threads and respectively corresponds to the two inclined plates 30, so that the two inclined plates 30 can be driven to move oppositely when the bidirectional screw rod 31 rotates, and the laser head 5 can realize fine adjustment on the basis of coarse adjustment of the second screw 23, so that the focusing adjustment speed of a thicker workpiece is further increased.
To sum up, according to the laser cutting machine capable of automatically adjusting the focusing of the laser beam, when the trapezoidal plate 13 is magnetically connected to the fine adjustment plate 29 and the trapezoidal plate 13 and the laser head 5 are adjusted by the second screw 23, the second screw 23 rotates to drive the butt strap 21 to ascend, coarse adjustment of the laser head 5 is realized, after coarse adjustment, the fine adjustment motor 32 can drive the bidirectional screw 31 on the output end to rotate, the bidirectional screw 31 drives the two inclined plates 30 to move in opposite directions, and fine adjustment after coarse adjustment of the laser head 5 is realized under the extrusion effect of the two inclined plates 30, so that the speed of height focusing adjustment of the laser head 5 is faster and the accuracy is higher.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a but laser cutting machine that automatically regulated laser beam was focused, includes frame (1), workstation (2), sliding connection in crossbeam (3) and laser head (5) of frame (1) inner wall, inside frame (1), its characterized in that were fixed in workstation (2): the laser welding device is characterized by further comprising an adjusting plate (4), a trapezoidal plate (13), a supporting plate (14), an adjusting motor (17), a second screw rod (23) and a first screw rod (15), wherein the adjusting plate (4) is connected to the cross beam (3) in a sliding mode, the trapezoidal plate (13) is fixedly connected to the laser head (5) through a connecting plate (12) and is connected to the adjusting plate (4) in a sliding mode through the connecting plate (12), the trapezoidal plate (13) is located on the upper surface of the supporting plate (14), the first screw rod (15) is meshed with the supporting plate (14), an output shaft of the adjusting motor (17) is magnetically connected to one end of the first screw rod (15) and one end of the second screw rod (23), a vertical plate (20) is fixedly arranged inside the adjusting plate (4), the adjusting motor (17) is rotatably connected to the vertical plate (20), a butt plate (21) is arranged on the outer wall of the vertical plate (20) in a sliding mode, and the butt plate (21) is meshed with the second screw rod (23), the top of the trapezoidal plate (13) is magnetically connected with the butt strap (21).
2. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 1, wherein: still include first motor (6) and first lead screw (7), inside first motor (6) were fixed in frame (1), and the output transmission connected in first lead screw (7), the fixed slider (10) that is equipped with in both ends of crossbeam (3), first lead screw (7) run through and the meshing is connected in slider (10).
3. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 2, wherein: the novel motor is characterized by further comprising a second motor (8) and a second screw rod (9), wherein the second motor (8) is fixed to the outer portion of one end of the cross beam (3), the two ends of the second screw rod (9) are rotatably connected to the cross beam (3), and the output end of the second motor (8) is in transmission connection with the second screw rod (9).
4. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 3, wherein: still including being fixed block (11) of L form, fixed block (11) sliding connection is in crossbeam (3), and one end meshing connects in second lead screw (9), and other end fixed connection is in regulating plate (4).
5. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 4, wherein: the spout has all been seted up to the outer wall of frame (1) inner wall, crossbeam (3) inside and regulating plate (4), slider (10) sliding connection in the spout of frame (1) inner wall that crossbeam (3) set up through both ends, fixed block (11) sliding connection in the spout of crossbeam (3) inside, link up board (12) sliding connection in the spout of regulating plate (4) outer wall.
6. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 1, wherein: the vertical plate (20) is internally provided with a turntable (18), the turntable (18) is connected to the vertical plate (20) in a rotating mode, the adjusting motor (17) is fixed to one side wall of the turntable (18), the inner wall of the adjusting plate (4) is fixedly provided with a transmission motor (19), and an output shaft of the transmission motor (19) is connected to the turntable (18) in a transmission mode.
7. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 1, wherein: an expansion rod (25) is fixedly arranged on an output shaft of the adjusting motor (17), a first electromagnetic plate (24) is fixedly arranged at one end of the expansion rod (25), magnetic blocks (26) are fixedly arranged at one ends of the first screw rod (15) and the second screw rod (23), and the first electromagnetic plate (24) is matched with the magnetic blocks (26).
8. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 1, wherein: the outer wall cover of second screw rod (23) is equipped with cover axle (22), cover axle (22) screw thread meshes in second screw rod (23), attachment strap (21) fixed connection is in cover axle (22) outer wall, the bottom fixed connection of riser (20) is in backup pad (16), backup pad (16) fixed connection is in regulating plate (4) inner wall, support board (14) sliding connection is in backup pad (16) upper surface.
9. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 1, wherein: the fixed metal block (27) that is provided with in top of trapezoidal plate (13), attachment strap (21) intermediate position department is equipped with fine tuning board (29), the bottom of fine tuning board (29) and with the corresponding position department of metal block (27) is fixed and is equipped with second electromagnetic plate (28), metal block (27) magnetism connect in second electromagnetic plate (28).
10. The laser cutting machine capable of automatically adjusting the focusing of the laser beam according to claim 9, wherein: the inside fixed fine setting motor (32) that is equipped with of attachment strap (21), the output transmission of fine setting motor (32) is connected in two-way screw rod (31), the both sides of fine setting board (29) are equipped with swash plate (30), swash plate (30) sliding connection is in attachment strap (21) to the meshing is connected in two-way screw rod (31).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210117897.0A CN114147345A (en) | 2022-02-08 | 2022-02-08 | Laser cutting machine capable of automatically adjusting focusing of laser beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210117897.0A CN114147345A (en) | 2022-02-08 | 2022-02-08 | Laser cutting machine capable of automatically adjusting focusing of laser beam |
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| CN114147345A true CN114147345A (en) | 2022-03-08 |
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| CN202210117897.0A Pending CN114147345A (en) | 2022-02-08 | 2022-02-08 | Laser cutting machine capable of automatically adjusting focusing of laser beam |
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