CN210848835U - Collision protection device for optical fiber laser cutting machine - Google Patents

Abstract

The utility model belongs to the field of laser cutting machine application and production, and particularly discloses a collision protection device for an optical fiber laser cutting machine, which comprises a base (1), a bracket (2), a top plate (3), a lifting device (4), a cutting machine mounting frame (5), a cutting workbench (6), a controller (7), a lifting device reinforcing plate (41), a telescopic shaft (42), a vibration sensor (51) and an optical fiber laser cutting machine body (52); the utility model discloses it is rational in infrastructure, have good collision protection mechanism, can protect laser cutting machine not receive the damage.

Description

Collision protection device for optical fiber laser cutting machine

Technical Field

The utility model belongs to laser cutting machine uses the production field, specifically discloses a collision protection device for optic fibre laser cutting machine.

Background

Laser cutting is achieved by applying high power density energy generated after laser focusing. Under the control of a computer, the laser is discharged through pulses, so that controlled pulse laser with high repetition frequency is output, a light beam with certain frequency and certain pulse width is formed, the pulse laser beam is conducted and reflected through a light path and focused on the surface of a processed object through a focusing lens group to form fine and high-energy-density light spots, and the focal spots are positioned near a surface to be processed to instantly melt or gasify the processed material at high temperature. Each high-energy laser pulse can be used for sputtering a fine hole on the surface of the object, and under the control of computer the laser processing head and the material to be processed can be continuously and relatively moved to make point-punching according to the pre-drawn pattern so as to make the object be processed into the required form. Compared with the traditional oxyacetylene and plasma cutting process, the laser cutting process has the advantages of high laser cutting speed, narrow cutting seam, small heat affected zone, good verticality of cutting seam edge, smooth edge cutting and multiple types of materials capable of being cut by laser. The fiber laser cutting machine is a laser cutting machine which uses a fiber laser generator as a light source, the fiber laser machine is a novel fiber laser which is newly developed internationally and outputs a laser beam with high energy density, the laser beam is gathered on the surface of a workpiece, an area irradiated by a superfine focus light spot on the workpiece is instantly melted and gasified, and the light spot irradiation position is moved through a numerical control mechanical system to realize automatic cutting. Compared with the gas laser machine and the solid laser machine which are huge in size, the laser machine has obvious advantages, and has gradually developed into an important candidate in the fields of high-precision laser processing, laser radar systems, space technology, laser medicine and the like. However, due to the high precision of the optical fiber laser cutting machine, the optical fiber laser cutting machine is very sensitive to vibration, the precision of the optical fiber laser cutting machine is reduced even a machine is damaged due to small collision, and the conventional anti-collision protection device is complex in structure, high in cost and difficult to popularize and apply.

SUMMERY OF THE UTILITY MODEL

To above not enough, the utility model discloses a collision protection device for optic fibre laser cutting machine.

The technical scheme of the utility model as follows:

a collision protection device for an optical fiber laser cutting machine comprises a base, a support, a top plate, a lifting device, a cutting machine mounting frame, a cutting workbench, a controller, a lifting device reinforcing plate, a telescopic shaft, a vibration sensor and an optical fiber laser cutting machine body; the support stands between the base and the top plate, the lifting device is arranged on the top of the top plate, and a lifting device reinforcing plate is arranged between the lifting device and the top plate; the telescopic shaft of the lifting device extends downwards below the top plate; the cutting machine mounting frame is mounted at the lower end of the telescopic shaft; the vibration sensor is arranged on the side of the cutting machine mounting frame; the optical fiber laser cutting machine body is arranged below the cutting machine mounting frame; the lower part of the optical fiber laser cutting machine body is right opposite to a cutting workbench arranged on the base; the controller is installed in the side of support, the controller with elevating gear, shock transducer, optic fibre laser cutting machine body electric connection. The collision protection device of optic fibre laser cutting machine of design, rational in infrastructure, the design is brief, optic fibre laser cutting machine body simple to operate, the adjustment is easy, can shut down immediately under the condition that has the collision vibrations to take place, reduces the harm and takes place.

Further, according to the collision protection device for the optical fiber laser cutting machine, the surface of the cutting workbench is provided with the titanium alloy coating. The titanium alloy coating has high strength, corrosion resistance, high hardness and long service life as a surface layer of the workbench.

Further, according to the collision protection device for the optical fiber laser cutting machine, the rollers are mounted below the base. After the installation gyro wheel, this device of removal that can be convenient, the adaptability of production has been stronger.

Further, according to the collision protection device for the optical fiber laser cutting machine, the interior of the cutting workbench is hollow, and a high-energy lithium battery is installed in the cutting workbench; the high-energy lithium battery is electrically connected with the controller, the lifting device, the vibration sensor and the optical fiber laser cutting machine body. The power supply is provided by a high-energy battery, the power supply limitation is eliminated, and the device is suitable for various working environments.

Further, according to the collision protection device for the optical fiber laser cutting machine, the touch liquid crystal screen is mounted on the controller. The touch liquid crystal screen is arranged on the controller, so that parameters can be displayed in real time, and the touch liquid crystal screen can be touched and controlled to be clear at a glance.

Further, in the collision protection device for the optical fiber laser cutting machine, an alarm is mounted on the top plate; the alarm is electrically connected with the vibration sensor and the controller. After collision or vibration occurs, the alarm gives an alarm to remind an operator.

Further, according to the collision protection device for the optical fiber laser cutting machine, the lifting device is an electric cylinder. The electric cylinder is a modularized product which integrates a servo motor and a lead screw, converts the rotary motion of the servo motor into linear motion, and simultaneously converts the best advantages of the servo motor, namely accurate rotating speed control, accurate revolution control and accurate torque control into accurate speed control, accurate position control and accurate thrust control; realize high accuracy linear motion, use electronic jar for the location of optic fibre laser cutting machine body is more accurate and then the cutting is more accurate.

According to the above technical scheme, the utility model discloses following beneficial effect has:

(1) the optical fiber laser cutting machine is convenient to install, easy to adjust and easy to maintain, and can be immediately stopped under the condition that collision and vibration occur, so that damage is reduced;

(2) the mobile power supply has the advantages of low manufacturing cost, good mobility, suitability for most working scenes and suitability for industrial application of enterprises of various scales, and is provided with the rollers and the standby battery;

(3) the electric cylinder is used for driving, so that the optical fiber laser cutting machine body is more accurate in positioning and more accurate in cutting.

Drawings

Fig. 1 is a schematic diagram of embodiment 1 of the present invention;

fig. 2 is a schematic diagram of embodiment 2 of the present invention;

fig. 3 is an electrical connection diagram of embodiment 2 of the present invention;

wherein: the device comprises a base 1, a support 2, a top plate 3, a lifting device 4, a cutting machine mounting frame 5, a cutting workbench 6, a controller 7, idler wheels 8, an alarm 9, a lifting device reinforcing plate 41, a telescopic shaft 42, a vibration sensor 51, an optical fiber laser cutting machine body 52, a titanium alloy coating 61 and a high-energy lithium battery 62.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the collision protection device for the fiber laser cutting machine is characterized by comprising a base 1, a support 2, a top plate 3, a lifting device 4, a cutting machine mounting frame 5, a cutting workbench 6, a controller 7, a lifting device reinforcing plate 41, a telescopic shaft 42, a vibration sensor 51 and a fiber laser cutting machine body 52; the support 2 stands on the base 1 and between the top plates 3, the lifting device 4 is installed on the top of the top plate 3, and a lifting device reinforcing plate 41 is arranged between the lifting device 4 and the top plate 3; the telescopic shaft 42 of the lifting device 4 extends downwards below the top plate 3; the cutter mounting frame 5 is mounted at the lower end of the telescopic shaft 42; the vibration sensor 51 is arranged on the side of the cutting machine mounting frame 5; the optical fiber laser cutting machine body 52 is arranged below the cutting machine mounting frame 5; the lower part of the optical fiber laser cutting machine body 52 is right opposite to the cutting workbench 6 arranged on the base 1; the controller 7 is installed on the side of the bracket 2, and the controller 7 is electrically connected with the lifting device 4, the vibration sensor 51 and the optical fiber laser cutting machine body 52.

When in work: controller 7 control elevating gear 4 starts, telescopic shaft 42 up-and-down motion, drive the optic fibre laser cutting machine body 52 on the cutting machine mounting bracket 5 and move suitable position, the work piece that will wait to cut is put on cutting table 6, the workman is manual or use controller 7 to the optic fibre laser cutting machine body 52 to cut the work piece, when the collision takes place, the emergence of vibrations is perceived to vibrations sensor 51, send signal at once for controller 7, the work of controller 7 signaling stop elevating gear 4 and optic fibre laser cutting machine body 52, prevent that optic fibre laser cutting machine body 52 from damaging or laser emission direction transmission direction skew, lead to cutting the mistake.

Example 2

As shown in fig. 2 and 3, the collision protection device for the optical fiber laser cutting machine comprises a base 1, a support 2, a top plate 3, a lifting device 4, a cutting machine mounting frame 5, a cutting workbench 6, a controller 7, a roller 8, an alarm 9, a lifting device reinforcing plate 41, a telescopic shaft 42, a vibration sensor 51, an optical fiber laser cutting machine body 52, a titanium alloy coating 61 and a high-energy lithium battery 62; the support 2 stands on the base 1 and between the top plates 3, the lifting device 4 is installed on the top of the top plate 3, and a lifting device reinforcing plate 41 is arranged between the lifting device 4 and the top plate 3; the telescopic shaft 42 of the lifting device 4 extends downwards below the top plate 3; the cutter mounting frame 5 is mounted at the lower end of the telescopic shaft 42; the vibration sensor 51 is arranged on the side of the cutting machine mounting frame 5; the optical fiber laser cutting machine body 52 is arranged below the cutting machine mounting frame 5; the lower part of the optical fiber laser cutting machine body 52 is right opposite to the cutting workbench 6 arranged on the base 1, and particularly, the surface of the cutting workbench 6 is provided with a titanium alloy coating 61; the controller 7 is installed on the side of the bracket 2, and the controller 7 is electrically connected with the lifting device 4, the vibration sensor 51 and the optical fiber laser cutting machine body 52; further, a roller 8 is arranged below the base 1; in particular, the cutting table 6 is hollow inside, in which a high-energy lithium battery 62 is mounted; the high-energy lithium battery is electrically connected with the controller 7, the lifting device 4, the vibration sensor 51 and the optical fiber laser cutting machine body 52; preferably, the controller 7 is provided with a touch liquid crystal screen 71; further, an alarm 9 is mounted on the top plate 3; the alarm 9 is electrically connected with the vibration sensor 51 and the controller 7; in particular, the lifting device 4 is an electric cylinder.

When in work: the controller 7 controls the electric cylinder of the lifting device 4 to start, the telescopic shaft 42 moves up and down to drive the optical fiber laser cutting machine body 52 on the cutting machine mounting frame 5 to move to a proper position, a workpiece to be cut is placed on the titanium alloy coating 61 on the cutting workbench 6, a worker manually or by using the controller 7 to cut the workpiece by using the optical fiber laser cutting machine body 52, when collision occurs, the vibration sensor 51 senses the occurrence of vibration and immediately sends a signal to the controller 7, the controller 7 sends a signal to stop the working of the lifting device 4 and the optical fiber laser cutting machine body 52, the optical fiber laser cutting machine body 52 is prevented from being damaged or the emission direction of laser deviates, so that cutting errors are caused, and meanwhile, the alarm 9 gives an alarm; when the device needs to be moved to work, the roller 8 is used for moving the device, and the high-energy lithium battery 62 is started to supply power to the device.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention can not be limited thereby, and the simple equivalent changes and modifications made according to the claims and the utility model also belong to the protection scope of the present invention.

Claims (7)

1. A collision protection device for an optical fiber laser cutting machine is characterized by comprising a base (1), a support (2), a top plate (3), a lifting device (4), a cutting machine mounting frame (5), a cutting workbench (6), a controller (7), a lifting device reinforcing plate (41), a telescopic shaft (42), a vibration sensor (51) and an optical fiber laser cutting machine body (52); the support (2) is erected on the base (1) and between the top plate (3), the lifting device (4) is installed at the top of the top plate (3), and a lifting device reinforcing plate (41) is arranged between the lifting device (4) and the top plate (3); a telescopic shaft (42) of the lifting device (4) extends downwards below the top plate (3); the cutting machine mounting frame (5) is mounted at the lower end of the telescopic shaft (42); the vibration sensor (51) is installed on the side of the cutting machine mounting frame (5); the optical fiber laser cutting machine body (52) is mounted below the cutting machine mounting frame (5); the lower part of the optical fiber laser cutting machine body (52) is right opposite to a cutting workbench (6) arranged on the base (1); the controller (7) is installed on the side of the support (2), and the controller (7) is electrically connected with the lifting device (4), the vibration sensor (51) and the optical fiber laser cutting machine body (52).

2. A collision protection apparatus for an optical fiber laser cutting machine according to claim 1, wherein the surface of the cutting table (6) has a titanium alloy coating (61).

3. A collision protection apparatus for a fiber laser cutting machine according to claim 1, wherein rollers (8) are installed below the base (1).

4. A collision protection apparatus for an optical fiber laser cutting machine according to claim 3, wherein the inside of the cutting table (6) is hollow, in which a high-energy lithium battery (62) is installed; the high-energy lithium battery is electrically connected with the controller (7), the lifting device (4), the vibration sensor (51) and the optical fiber laser cutting machine body (52).

5. The collision protection device for the fiber laser cutting machine according to claim 1, wherein a touch liquid crystal screen (71) is mounted on the controller (7).

6. A collision protection apparatus for a fiber laser cutting machine according to claim 1, wherein an alarm (9) is installed on the top plate (3); the alarm (9) is electrically connected with the vibration sensor (51) and the controller (7).

7. The collision protection device for an optical fiber laser cutting machine according to claim 1, wherein the lifting device (4) is an electric cylinder.

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