CN-224222991-U - Laser cutting machine

CN224222991UCN 224222991 UCN224222991 UCN 224222991UCN-224222991-U

Abstract

The utility model provides a laser cutting machine which comprises a frame, a cross beam, a sliding seat, a mounting plate, a first driving mechanism, a second driving mechanism, a third driving mechanism, a superposition driving mechanism and a laser cutting head. The superposition driving mechanism is arranged on the mounting plate and is in transmission connection with the laser cutting head. The superposition driving mechanism is used for driving the laser cutting head to move along a first direction. The utility model adds the superposition driving mechanism, only needs to drive the laser cutting head when the superposition driving mechanism is started, has light driving load, large jerk and acceleration when in safe operation, low energy consumption, flexible control and stable movement, and can quickly reach the cutting speed in the first direction and the second direction when the superposition driving mechanism and the first driving mechanism are both started to coaxially superpose, thereby shortening the starting time, shortening the crossing time of cutting patterns, shortening the braking time and improving the cutting efficiency.

Inventors

WANG JIANYE
LIU JIBIN
WEI NAIRONG

Assignees

广东库迪二机激光装备有限公司
宝钢激光技术有限公司
柳州宝钢汽车钢材部件有限公司

Dates

Publication Date: 20260512
Application Date: 20250512

Claims (10)

1. The laser cutting machine is characterized by comprising a frame, a cross beam matched with the frame in a moving mode along a first direction, a sliding seat arranged on the cross beam and matched with the cross beam in a moving mode along a second direction, a mounting plate arranged on the sliding seat and matched with the sliding seat in a moving mode along a third direction, a first driving mechanism, a second driving mechanism, a third driving mechanism, a superposition driving mechanism and a laser cutting head, wherein the first driving mechanism is in transmission connection with the cross beam and used for driving the cross beam to move along the first direction, the second driving mechanism is in transmission connection with the sliding seat and used for driving the sliding seat to move along the second direction, the third driving mechanism is in transmission connection with the mounting plate and used for driving the mounting plate to move along the third direction, the superposition driving mechanism is arranged on the mounting plate and in transmission connection with the laser cutting head, and the superposition driving mechanism is used for driving the laser cutting head to move along the first direction and is perpendicular to any two of the first direction, the second direction and the third direction.
2. The laser cutting machine according to claim 1, wherein a length of the cutting pattern on the workpiece to be cut in the first direction is set to a first length, the stack driving mechanism is activated when the first length is within a stroke range of the stack driving mechanism, the first driving mechanism is not activated, and both the stack driving mechanism and the first driving mechanism are activated when the first length exceeds the stroke range of the stack driving mechanism.
3. The laser cutting machine of any one of claims 1 or 2, wherein the stack drive mechanism comprises a mounting body mounted on the mounting plate, and a drive module mounted on the mounting body, the drive module being drivingly connected to the laser cutting head and configured to drive the laser cutting head to move in the first direction.
4. A laser cutting machine according to claim 3 wherein the mounting body comprises a first mounting section and a second mounting section arranged at an included angle, the first mounting section being fixed to the mounting plate, the second mounting section being located on a side of the first mounting section remote from the mounting plate and connected to one end of the first mounting section, the laser cutting head being located on a side of the second mounting section adjacent to the other end of the first mounting section.
5. A laser cutting machine according to claim 3 wherein the drive module comprises a linear motor provided with a first output shaft, the first output shaft being connected to the mounting body, the linear motor being in moving engagement with the mounting body in the first direction, the laser cutting head being mounted on the linear motor.
6. A laser cutting machine according to claim 3 wherein the drive module comprises a drive member, a transmission assembly and a mounting base, the mounting base is in movable engagement with the mounting body in the first direction, the laser cutting head is mounted on the mounting base, the drive member is mounted on the mounting body and is in driving connection with the transmission assembly, and the transmission assembly is in driving connection with the mounting base so as to enable the laser cutting head to be driven to reciprocate in the first direction by the mounting base.
7. The laser cutting machine of claim 6, wherein the driving member includes a servo motor having a second output shaft, the transmission assembly includes a transmission gear sleeved on the second output shaft, and a transmission rack disposed along the first direction and mounted on the mounting base, and the transmission gear is meshed with the transmission rack.
8. The laser cutting machine of claim 7, wherein the driving member further comprises a gear motor provided with a third output shaft, the second output shaft is in transmission connection with the gear motor, and the transmission gear is sleeved on the third output shaft.
9. The laser cutting machine of claim 6, wherein the driving module further comprises a transmission screw rod in transmission connection with the transmission assembly and a transmission female sleeve mounted on the mounting seat, the transmission screw rod is arranged along the first direction and is in rotation connection with the mounting body, and the transmission female sleeve is sleeved on the transmission screw rod and is matched with the transmission screw rod to form a screw nut structure.
10. The laser cutting machine according to claim 9, wherein the driving member comprises a driving motor provided with a fourth output shaft, the transmission assembly comprises a driving wheel, a driven wheel and a synchronous belt, the driving wheel is sleeved on the fourth output shaft, the driven wheel is sleeved on the transmission screw rod, and the synchronous belt is sleeved on the outer side wall of the driving wheel and the outer side wall of the driven wheel.

Description

Laser cutting machine Technical Field The utility model relates to the technical field of laser processing numerical control, in particular to a laser cutting machine. Background Laser cutters are becoming popular as an important device in modern manufacturing, replacing traditional mechanical cutting methods, due to their unique advantages. Unlike traditional mechanical cutter, the laser cutting machine utilizes laser technology to cut, has not only removed the demand of mould from like this, has still reduced cutting force by a wide margin, has reduced heat affected zone and deformation for the incision is smoother, the precision is higher and cutting speed is faster. Meanwhile, as the laser cutting patterns are flexible and can be typeset automatically, the utilization rate of materials is obviously improved, the processing cost is reduced, and the laser cutting patterns become an important tool for promoting the upgrade of manufacturing industry. However, in the practical use of the laser cutting machine, the running speed of the laser cutting head on the X axis is limited, resulting in difficulty in improving the cutting efficiency. Disclosure of utility model Based on the above, it is necessary to provide a laser cutting machine for solving the problem that the cutting efficiency is difficult to improve due to the limited running speed of the laser cutting head on the X axis in the conventional laser cutting machine. The technical scheme is as follows: In one aspect, a laser cutting machine is provided, including a frame, a crossbeam that moves along a first direction with the frame, a slide that is mounted on the crossbeam and moves along a second direction with the crossbeam, a mounting plate that is mounted on the slide and moves along a third direction with the slide, a first driving mechanism, a second driving mechanism, a third driving mechanism, a superposition driving mechanism and a laser cutting head, wherein the first driving mechanism is in transmission connection with the crossbeam and is used for driving the crossbeam to move along the first direction, the second driving mechanism is in transmission connection with the slide and is used for driving the slide to move along the second direction, the third driving mechanism is in transmission connection with the mounting plate and is used for driving the mounting plate to move along the third direction, the superposition driving mechanism is mounted on the mounting plate and is in transmission connection with the laser cutting head, and the superposition driving mechanism is used for driving the laser cutting head to move along the first direction, and the second direction and the third direction are perpendicular to each other. In the laser cutting machine in the above embodiment, when the length of the cutting pattern on the workpiece to be cut along the first direction is within the travel range of the superposition driving mechanism, the first driving mechanism is not started, the second driving mechanism and the superposition driving mechanism cooperate to drive the laser cutting head to move, the moving area can completely cover the outline of the cutting pattern, the laser cutting head is ensured to be capable of cutting the corresponding cutting pattern on the workpiece to be cut, and meanwhile, the superposition driving mechanism is lower in energy consumption than the first driving mechanism, and is more energy-saving and environment-friendly. When the length of the cutting pattern on the piece to be cut along the first direction exceeds the travel range of the superposition driving mechanism, the first driving mechanism and the superposition driving mechanism are both started and drive the laser cutting head to move in cooperation with the second driving mechanism, so that the laser cutting head can reach the cutting speed in the first direction and the second direction more quickly, the cutting efficiency is improved, and meanwhile, the average load of the first driving mechanism, the second driving mechanism and the superposition driving mechanism is reduced, the energy consumption is reduced, and the cutting machine is more energy-saving and environment-friendly. Compared with the laser cutting machine in the prior art, the laser cutting machine has the advantages that the superposition driving mechanism is added, only the laser cutting head is required to be driven when the superposition driving mechanism is started, the driving load is light, the jerk and the acceleration are large when the laser cutting machine is in safe operation, the energy consumption is low, the operation is flexible, the movement is stable, when the superposition driving mechanism and the first driving mechanism are both started to coaxially superpose, the laser cutting head can reach the cutting speed in the first direction and the second direction, the starting time is shortened, the crossing time of cutting patterns is shortened, the braking time i