CN112404707B - Laser head small displacement driving device for laser cutting equipment - Google Patents
Laser head small displacement driving device for laser cutting equipment Download PDFInfo
- Publication number
- CN112404707B CN112404707B CN202011392130.6A CN202011392130A CN112404707B CN 112404707 B CN112404707 B CN 112404707B CN 202011392130 A CN202011392130 A CN 202011392130A CN 112404707 B CN112404707 B CN 112404707B
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- laser head
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- gears
- fixing frame
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 39
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser head small displacement driving device for laser cutting equipment, which comprises: the laser head fixing frame is characterized in that one end of the laser head fixing frame is fixedly provided with a laser head, and the other end of the laser head fixing frame is provided with at least two gears meshed with each other; one end of the connecting rod is fixed with a gear, one end of the connecting rod, which is far away from the gear, is rotationally connected with the X-axis motors, and the cross section of a closed area defined by the central lines of the two X-axis motors and the two gears is isosceles trapezoid. According to the invention, the two X-axis motors are arranged, the connecting rods are connected between the X-axis motors and the laser head fixing frame, so that the two X-axis motors, the two connecting rods and the laser head fixing frame form an isosceles trapezoid structure, the arrangement can ensure that the cross beam does not need to integrally perform Y-axis movement when the laser cutting equipment performs small-range complex graph cutting, and the arrangement can reduce the impact of the laser cutting equipment caused by frequent acceleration and deceleration in the Y-axis direction, thereby obviously reducing the vibration of a machine tool and improving the cutting precision.
Description
Technical Field
The invention belongs to the field of lathes, relates to laser cutting equipment, and particularly relates to a laser head small-displacement driving device for the laser cutting equipment.
Background
At present, the existing laser cutting equipment generally drives a laser head to move along the X-axis direction by an X-axis motor when in operation, and drives a cross beam to move along the Y-axis direction by a Y-axis motor. Because the whole cross beam is heavier, the frequent acceleration and deceleration can cause the laser cutting equipment to generate obvious vibration, thereby affecting the cutting precision, and in order to reduce the influence of the vibration on the cutting precision, the acceleration of the laser cutting equipment when moving in the Y-axis direction can only be reduced, but the mode can seriously affect the performance of a machine tool; moreover, the beam is relatively heavy, so that the power of the Y-axis motor is relatively high, and the frequent acceleration and deceleration can also increase the energy consumption of the Y-axis motor.
Therefore, how to provide a laser head small displacement driving device for a laser cutting device, so that the problems can be overcome, is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a small-displacement driving device for a laser head of a laser cutting device, which solves the problems that when the laser cutting device cuts a small-range complex graph, the whole beam frequently reciprocates, and the whole device is impacted and the cutting precision is reduced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a laser head small displacement drive arrangement for laser cutting equipment, the laser head is installed on the X axle motor that is responsible for in laser cutting equipment "X" axial direction motion, X axle motor can be on a crossbeam reciprocating motion, the both ends of crossbeam are fixed respectively on two Y axle motors that are responsible for in "Y" axial direction motion, the longeron that is parallel to each other has been arranged at the both ends of crossbeam, Y axle motor can drive the crossbeam is followed longeron reciprocating motion can guarantee all the time at the in-process that removes the crossbeam with the longeron is perpendicular, includes:
The laser head fixing frame is characterized in that one end of the laser head fixing frame is fixedly provided with the laser head, the other end of the laser head fixing frame is provided with at least two gears which are meshed with each other and have vertical axial leads, and the gears can relatively rotate relative to the laser head fixing frame;
The connecting rods are horizontally arranged, the number of the connecting rods is the same as that of the gears, the gears are fixed at one end of each connecting rod, two X-axis motors are arranged, the single power of each X-axis motor is smaller than that of each Y-axis motor, one end of each connecting rod, which is far away from each gear, is rotationally connected with each X-axis motor, and the cross section of a closed area defined by the central lines of the two X-axis motors and the two gears is isosceles trapezoid.
Compared with the prior art, the laser head is fixed on the laser head fixing frame, and the two X-axis motors are arranged, the connecting rods are connected between the X-axis motors and the laser head fixing frame, so that the two X-axis motors, the two connecting rods and the laser head fixing frame form an isosceles trapezoid structure, the arrangement can ensure that the cross beam does not need to integrally perform Y-axis movement when the laser cutting equipment performs small-range complex graph cutting, and the arrangement can greatly reduce the impact of the laser cutting equipment caused by frequent acceleration and deceleration in the Y-axis direction, thereby obviously reducing the vibration of a machine tool, improving the cutting precision and improving the integral performance of the machine tool; and when the small-range complex graph is cut, as only two X-axis motors move and the power of the X-axis motors is smaller than that of the Y-axis motors, the energy consumption of the laser cutting equipment can be greatly reduced.
Preferably, the gears are arranged in pairs, the gears which are arranged oppositely are fixed through a fixed shaft, and the laser head fixing frame is sleeved on the fixed shaft; the connecting rods are arranged in pairs, 4 connecting rods are sleeved at intervals and fixed on the fixed shaft between the laser head fixing frame and the gear. This setting can improve the stability of laser head motion.
Preferably, the cross section of the cross beam is rectangular, two sliding strips are fixed on one side wall of the cross beam, the central line of the sliding strips along the length direction of the cross beam is parallel to the central line of the cross beam along the length direction of the cross beam, one of the two sliding strips is connected with a first fixed block in a sliding manner, the other sliding strip is connected with a second fixed block in a sliding manner, the first fixed block is provided with the X-axis motor, and the second fixed block is rotationally connected with an output shaft of the X-axis motor; a rack is fixed on the side wall of the cross beam and along the length direction of the cross beam, the rack is positioned between the two sliding strips, a driving gear is fixed on the output shaft of the X-axis motor, and the driving gear is meshed with the rack. This setting on the one hand can be stable reliable fixed X axle motor, on the other hand can guarantee that X axle motor can be smooth and easy slide on the crossbeam.
Preferably, the X-axis motor is a servo motor. This arrangement can ensure that the X-axis motor can be accurately controlled.
Preferably, the distance between the axes of the output shafts of the two X-axis motors along the length direction of the cross beam is greater than the distance between the centers of the two gears meshed with each other along the length direction of the cross beam. This setting can guarantee that connecting rod and laser head can be reliable remove, improves its whole operation's stability.
Compared with the prior art, the invention discloses a laser head small-displacement driving device for laser cutting equipment. The following technical effects can be achieved:
The invention discloses a laser head small-displacement driving device for laser cutting equipment, which is characterized in that a laser head is fixed on a laser head fixing frame, two X-axis motors are arranged, a connecting rod is connected between each X-axis motor and the laser head fixing frame, so that the two X-axis motors, the two connecting rods and the laser head fixing frame form an isosceles trapezoid structure, a gear is fixed at one end of the connecting rod, which is far away from a cross beam, and the gears on the two connecting rods are meshed with each other, thereby ensuring that the two X-axis motors move on the cross beam no matter how they move on the cross beam, and the two X-axis motors, the two connecting rods and the laser head fixing frame are always in the isosceles trapezoid structure. The arrangement can ensure that the cross beam does not need to integrally perform Y-axis movement when the laser cutting equipment performs small-range complex pattern cutting, and can greatly reduce the impact of the laser cutting equipment caused by frequent acceleration and deceleration in the Y-axis direction, thereby obviously reducing the vibration of a machine tool, improving the cutting precision and improving the integral performance of the machine tool; and when the small-range complex graph is cut, as only two X-axis motors move and the power of the X-axis motors is smaller than that of the Y-axis motors, the energy consumption of the laser cutting equipment can be greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is an isometric view of a laser head small displacement drive for a laser cutting apparatus;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
Fig. 3 is a top view of a laser head small displacement driving device for a laser cutting apparatus.
In the figure:
The laser head is characterized in that the laser head is 1, the X-axis motor is 2, the output shaft is 20, the cross beam is 3, the Y-axis motor is 4, the longitudinal beam is 5, the laser head fixing frame is 6, the gear is 7, the connecting rod is 8, the fixing shaft is 9, the sliding bar is 10, the fixed block is 11, the fixed block is 12, the rack is 13, and the driving gear is 14.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments 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.
The invention discloses a laser head small-displacement driving device for laser cutting equipment, which is characterized in that a laser head 1 is fixed on a laser head fixing frame 6, two X-axis motors 2 are arranged, a connecting rod 8 is connected between each X-axis motor 2 and the laser head fixing frame 6, so that the two X-axis motors 2, the two connecting rods 8 and the laser head fixing frame 6 form an isosceles trapezoid structure, one end of each connecting rod 8 far away from a cross beam 3 is fixed with a gear 7, and the gears 7 on the two connecting rods 8 are meshed with each other, so that the two X-axis motors 2 always have an isosceles trapezoid structure between each other and the two connecting rods 8 and the laser head fixing frame 6 no matter how they move on the cross beam 3. When the laser cutting equipment needs to cut in a small range, the distance between the two X-axis motors 2 can be changed through the relative movement of the two X-axis motors 2, so that the laser head 1 moves along the Y-axis direction, and meanwhile, the X-axis motors 2 can drive the laser head 1 to move along the X-axis direction, so that the purpose that the small-range cutting can be performed without moving the Y-axis motors 4 is achieved. The arrangement can ensure that the cross beam 3 does not need to integrally perform Y-axis movement when the laser cutting equipment performs small-range complex pattern cutting, and can greatly reduce the impact of the laser cutting equipment caused by frequent acceleration and deceleration in the Y-axis direction, thereby obviously reducing the vibration of a machine tool, improving the cutting precision and improving the integral performance of the machine tool; moreover, when the small-range complex graph is cut, as only two X-axis motors 2 move and the power of the X-axis motors 2 is smaller than that of the Y-axis motors 4, the energy consumption of the laser cutting device can be greatly reduced.
Examples
Referring to fig. 1-3, which are schematic views of the whole and part of the structure of an embodiment of the present invention, the present invention provides a small displacement driving device for a laser head of a laser cutting device, the laser head 1 is mounted on an X-axis motor 2 responsible for moving in an "X" axis direction in the laser cutting device, the X-axis motor 2 can reciprocate on a beam 3, two ends of the beam 3 are respectively fixed on two Y-axis motors 4 responsible for moving in a "Y" axis direction, two parallel stringers 5 are disposed at two ends of the beam 3, the Y-axis motors 4 can drive the beam 3 to reciprocate along the stringers 5, and the beam 3 can be always guaranteed to be perpendicular to the stringers 5 during the moving process, including:
The laser head fixing frame 6, one end of the laser head fixing frame 6 is fixedly provided with the laser head 1 through a bolt, the other end is provided with at least two gears 7 which are meshed with each other and have vertical axial leads, and the gears 7 can relatively rotate relative to the laser head fixing frame 6;
The connecting rods 8 are horizontally arranged, the number of the connecting rods 8 is the same as that of the gears 7, the cross sections of the connecting rods 8 are rectangular, the gears 7 are fixed at one ends of the connecting rods 8, two X-axis motors 2 are arranged, the single power of the X-axis motors is smaller than that of the single Y-axis motor 4, one ends of the connecting rods 8, which are far away from the gears 7, are rotationally connected with the X-axis motors 2, and the cross section of a closed area defined by the central lines of the two X-axis motors 2 and the two gears 7 is isosceles trapezoid.
Further, the gears 7 are arranged in pairs, 4 gears 7 are fixed through a fixed shaft 9, and the laser head fixing frame 6 is sleeved on the fixed shaft 9; the connecting rods 8 are arranged in pairs, 4 connecting rods 8 are sleeved at intervals and fixed on a fixed shaft 9 between the laser head fixing frame 6 and the gear 7.
Further specifically, the cross section of the cross beam 3 is rectangular, two sliding strips 10 are fixed on one side wall of the cross beam through bolts, the center line of the sliding strips 10 along the length direction is parallel to the center line of the cross beam 3 along the length direction, one of the two sliding strips 10 is connected with a first fixed block 11 in a sliding manner, the other sliding strip is connected with a second fixed block 12 in a sliding manner, the first fixed block 11 is provided with an X-axis motor 2, and the second fixed block 12 is rotationally connected with an output shaft 20 of the X-axis motor 2; a rack 13 is fixed on the side wall of the cross beam 3 through bolts along the length direction of the cross beam 3, the rack 13 is positioned between the two sliding strips 10, a driving gear 14 is fixed on an output shaft 20 of the X-axis motor 2, and the driving gear 14 is meshed with the rack 13.
Further specifically, the X-axis motor 2 is a servo motor.
More specifically, the distance between the axes of the output shafts 20 of the two X-axis motors 2 along the length direction of the cross beam 3 is greater than the distance between the centers of the two gears 7 meshed with each other along the length direction of the cross beam 3.
The working principle of the laser head small-displacement driving device for the laser cutting equipment is as follows:
The laser head 1 is fixed on the laser head mount 6 to be provided with two X axle motors 2, be connected with connecting rod 8 between X axle motor 2 and the laser head mount 6, make two X axle motors 2 and two connecting rods 8 and laser head mount 6 constitute an isosceles trapezoid structure, and the one end that crossbeam 3 was kept away from to connecting rod 8 is fixed with gear 7, the gear 7 intermeshing on two connecting rods 8, thereby guarantee that two X axle motors 2 no matter how remove on crossbeam 3, it is isosceles trapezoid structure all the time with between two connecting rods 8 and the laser head mount 6. When the laser cutting equipment needs to cut in a small range, the distance between the two X-axis motors 2 can be changed through the relative movement of the two X-axis motors 2, so that the laser head 1 moves along the Y-axis direction, and meanwhile, the X-axis motors 2 can drive the laser head 1 to move along the X-axis direction, so that the purpose that the small-range cutting can be performed without moving the Y-axis motors 4 is achieved. The arrangement can realize that when the laser cutting device cuts a small-range complex pattern, the cross beam 3 does not need to integrally move along the Y axis, and the laser head 1 can move along the Y axis only by moving the X-axis motor 2 on the cross beam 3.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. Laser head is little displacement drive arrangement for laser cutting equipment, laser head (1) are installed on X axle motor (2) that are responsible for in laser cutting equipment at "X" axis direction motion, X axle motor (2) can reciprocate on a crossbeam (3), the both ends of crossbeam (3) are fixed respectively on two Y axle motors (4) that are responsible for at "Y" axis direction motion, longerons (5) that are parallel to each other have been arranged at the both ends of crossbeam (3), Y axle motor (4) can drive crossbeam (3) are along longeron (5) reciprocating motion, can guarantee all the time at the in-process of removal crossbeam (3) with longeron (5) are perpendicular, a serial communication port, includes:
The laser head fixing frame (6), one end of the laser head fixing frame (6) is fixed with the laser head (1), the other end is provided with at least two gears (7) which are meshed with each other and have vertical axial leads, and the gears (7) can relatively rotate relative to the laser head fixing frame (6);
the connecting rods (8) are horizontally arranged, the number of the connecting rods is the same as that of the gears (7), the gears (7) are fixed at one end of each connecting rod (8), two X-axis motors (2) are arranged, the single power of each X-axis motor is smaller than that of each Y-axis motor (4), one end, far away from each gear (7), of each connecting rod (8) is rotationally connected with each X-axis motor (2), and the cross section of a closed area defined by the central lines of the two X-axis motors (2) and the two gears (7) is isosceles trapezoid;
The gears (7) are arranged in pairs, 4 gears (7) are arranged in pairs, the two gears (7) which are arranged in pairs are fixed through a fixed shaft (9), and the laser head fixing frame (6) is sleeved on the fixed shaft (9); the connecting rods (8) are arranged in pairs, 4 connecting rods (8) which are arranged oppositely are sleeved at intervals and fixed on the fixed shaft (9) between the laser head fixing frame (6) and the gear (7);
The cross section of the cross beam (3) is rectangular, two sliding strips (10) are fixed on one side wall of the cross beam, the central line of the sliding strips (10) along the length direction of the cross beam is parallel to the central line of the cross beam (3) along the length direction of the cross beam, one of the two sliding strips (10) is connected with a first fixed block (11) in a sliding mode, the other sliding strip is connected with a second fixed block (12) in a sliding mode, the first fixed block (11) is provided with the X-axis motor (2), and the second fixed block (12) is connected with an output shaft (20) of the X-axis motor (2) in a rotating mode; a rack (13) is fixed on the side wall of the cross beam (3) and along the length direction of the cross beam (3), the rack (13) is positioned between the two sliding strips (10), a driving gear (14) is fixed on an output shaft (20) of the X-axis motor (2), and the driving gear (14) is meshed with the rack (13).
2. The laser head small displacement driving device for laser cutting equipment according to claim 1, wherein the X-axis motor (2) is a servo motor.
3. A small displacement driving device for laser head of laser cutting equipment according to claim 1, characterized in that the distance between the axes of the output shafts (20) of the two X-axis motors (2) along the length direction of the beam (3) is greater than the distance between the centers of the two gears (7) meshed with each other along the length direction of the beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011392130.6A CN112404707B (en) | 2020-12-01 | 2020-12-01 | Laser head small displacement driving device for laser cutting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011392130.6A CN112404707B (en) | 2020-12-01 | 2020-12-01 | Laser head small displacement driving device for laser cutting equipment |
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| Publication Number | Publication Date |
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| CN112404707A CN112404707A (en) | 2021-02-26 |
| CN112404707B true CN112404707B (en) | 2024-05-14 |
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| CN202011392130.6A Active CN112404707B (en) | 2020-12-01 | 2020-12-01 | Laser head small displacement driving device for laser cutting equipment |
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| CN102211252A (en) * | 2011-05-16 | 2011-10-12 | 江苏扬力数控机床有限公司 | Mounting-type parallel numerical control laser cutting machine |
| CN102303187A (en) * | 2011-08-16 | 2012-01-04 | 江苏扬力数控机床有限公司 | Three-dimensional five-axis computerized numerical control laser cutting machine |
| CN103658980A (en) * | 2013-11-27 | 2014-03-26 | 武汉法利莱切割系统工程有限责任公司 | Main unit of square tube laser cutting machine |
| CN105798469A (en) * | 2016-05-16 | 2016-07-27 | 广州广源激光科技有限公司 | Multi-laser-head laser cutting machine |
| CN108406136A (en) * | 2018-04-20 | 2018-08-17 | 金凯达（佛山）智能装备有限公司 | A kind of laser cutting machine of plank or band |
| CN109848585A (en) * | 2019-04-09 | 2019-06-07 | 东莞市力星激光科技有限公司 | A kind of laser pipe cutter and its Pipe Cutting method |
| CN214161746U (en) * | 2020-12-01 | 2021-09-10 | 河北汉智数控机械有限公司 | Laser head small displacement driving device for laser cutting equipment |
-
2020
- 2020-12-01 CN CN202011392130.6A patent/CN112404707B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211252A (en) * | 2011-05-16 | 2011-10-12 | 江苏扬力数控机床有限公司 | Mounting-type parallel numerical control laser cutting machine |
| CN102303187A (en) * | 2011-08-16 | 2012-01-04 | 江苏扬力数控机床有限公司 | Three-dimensional five-axis computerized numerical control laser cutting machine |
| CN103658980A (en) * | 2013-11-27 | 2014-03-26 | 武汉法利莱切割系统工程有限责任公司 | Main unit of square tube laser cutting machine |
| CN105798469A (en) * | 2016-05-16 | 2016-07-27 | 广州广源激光科技有限公司 | Multi-laser-head laser cutting machine |
| CN108406136A (en) * | 2018-04-20 | 2018-08-17 | 金凯达（佛山）智能装备有限公司 | A kind of laser cutting machine of plank or band |
| CN109848585A (en) * | 2019-04-09 | 2019-06-07 | 东莞市力星激光科技有限公司 | A kind of laser pipe cutter and its Pipe Cutting method |
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