CN212682813U

CN212682813U - Small-breadth high-speed precise laser cutting machine

Info

Publication number: CN212682813U
Application number: CN202020487940.9U
Authority: CN
Inventors: 高凯; 张万军
Original assignee: Shanghai Chelorn Laser Technology Co ltd
Current assignee: Shanghai Chelorn Laser Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-03-12
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a small-breadth high-speed precise laser cutting machine, which comprises a cabinet, wherein a marble base and a control box are installed on the upper end surface of the cabinet, a fiber laser and a computer host are installed in the cabinet, two sets of Y-axis linear motion components which are arranged in parallel are installed on the marble base, an X-axis linear motion component is fixed on the two sets of Y-axis linear motion components which are arranged in parallel, a Z-axis lifting component and a CCD camera are connected on the X-axis linear motion component, the lower end of the Z-axis lifting component is connected with a laser cutting head, and an electric capacity heightening device is installed on one side of the laser cutting head; the front side of the control box is provided with a display; the cabinet is provided with a closed cover, the top in the closed cover is provided with a lighting lamp, and the bottom of the cabinet is provided with a material receiving box. The linear motion component in the utility model is driven by a linear motor platform, the structure is greatly simplified, and the weight and the volume are also greatly reduced; the positioning precision is high; the reaction speed is fast, the sensitivity is high, and the tracking effect is good.

Description

Small-breadth high-speed precise laser cutting machine

Technical Field

The utility model relates to a cutting machine especially relates to a high-speed accurate laser cutting machine of small-size face.

Background

Laser cutting means that the workpiece is melted and evaporated by energy released when a laser beam is irradiated on the surface of the workpiece, so that the purposes of cutting and carving are achieved. Laser beam emitted from a laser generator is focused into a laser beam irradiation condition with high power density through a light path system, laser heat is absorbed by a workpiece material, the temperature of the workpiece rises rapidly, after the temperature of the workpiece reaches a boiling point, the material begins to vaporize and form a hole, and the material forms a cutting seam along with the movement of the relative position of the light beam and the workpiece along with high-pressure air flow.

The precision laser cutting machine in the market at present adopts screw rod guide rail drive, does not take the visual function in addition, and the functioning speed of screw rod guide rail is comparatively slow, and long-term operation wearing and tearing are serious, and the precision is not high, and acceleration, positioning accuracy and response speed are comparatively slow. Aiming at small parts, the positioning is difficult by naked eyes, and the tool clamp is also very complex and has higher cost and lower production efficiency. Therefore, it is an urgent problem to be solved by those skilled in the art to develop a small-width high-speed precision laser cutting machine.

Disclosure of Invention

The utility model provides a solve above-mentioned not enough, provide a small-size high-speed accurate laser cutting machine.

The above object of the present invention is achieved by the following technical solutions: a small-breadth high-speed precise laser cutting machine comprises a cabinet, wherein a marble base and a control box are installed on the upper end face of the cabinet, a fiber laser and a computer host are installed in the cabinet, two sets of Y-axis linear motion assemblies which are arranged in parallel are installed on the marble base, an X-axis linear motion assembly is fixed on the two sets of Y-axis linear motion assemblies which are arranged in parallel, a Z-axis lifting assembly and a CCD camera are connected onto the X-axis linear motion assembly, the lower end of the Z-axis lifting assembly is connected with a laser cutting head, and a capacitance heightening device is installed on one side of the laser cutting head; the front side of the control box is provided with a display; the cabinet is provided with a sealing cover, the top in the sealing cover is provided with an illuminating lamp, and the bottom of the cabinet is provided with a material receiving box.

Furthermore, the Y-axis linear motion assembly comprises a Y-axis module base, a Y-axis linear guide rail, a Y-axis linear motor stator, a Y-axis linear motor rotor, a Y-axis grating ruler, a Y-axis optical reading head, a Y-axis sealing plate, a Y-axis dust cover support, a Y-axis organ cover, a Y-axis sliding block and a Y-axis moving plate, wherein the Y-axis module base is fixed on the marble base, the Y-axis linear motor stator is arranged on the Y-axis module base, the Y-axis linear guide rail is arranged on one side of the Y-axis linear motor stator, and the stroke is 600 mm; a Y-axis grating ruler (the grating ruler is also called a grating ruler displacement sensor/a grating ruler sensor, and is a measurement feedback device working by using the optical principle of a grating) is arranged on one side of the Y-axis linear guide rail; a Y-axis sliding block is arranged on the Y-axis linear guide rail and connected with a Y-axis moving plate, a Y-axis linear motor rotor is arranged on one side of the Y-axis sliding block at the bottom of the Y-axis moving plate, a Y-axis optical reading head is arranged on the other side of the Y-axis sliding block, and the Y-axis optical reading head is connected to a Y-axis grating ruler; and two ends of the upper end surface of the Y-axis module base are fixedly connected with Y-axis sealing plates, the inner side ends of the Y-axis sealing plates are provided with Y-axis dustproof cover supports, and the Y-axis organ covers are arranged between the Y-axis dustproof cover supports and the Y-axis sealing plates.

Furthermore, the X-axis linear motion assembly comprises an X-axis module base, an X-axis linear guide rail, an X-axis linear motor stator, an X-axis linear motor rotor, an X-axis grating ruler, an X-axis optical reading head, an X-axis sealing plate, an X-axis dust cover bracket, an X-axis organ cover, an X-axis slider and an X-axis moving plate, wherein the X-axis module base is fixed on the upper end surface of the Y-axis moving plate; an X-axis slider is mounted on the X-axis linear guide rail and connected with an X-axis moving plate, an X-axis linear motor rotor is mounted on one side of the X-axis slider at the bottom of the X-axis moving plate, an X-axis optical reading head is mounted on the other side of the X-axis slider, and the X-axis optical reading head is connected to an X-axis grating ruler; the X-axis module base is characterized in that X-axis sealing plates are fixedly connected to two ends of the upper end face of the X-axis module base, an X-axis dust cover support is arranged at the inner side end of each X-axis sealing plate, and the X-axis organ covers are installed between the X-axis dust cover supports and the X-axis sealing plates.

Furthermore, the Z-axis lifting assembly is connected to the front end of the X-axis moving plate and plays a role in moving the laser focus up and down, the precise laser cutting head is fixedly connected to the Z axis of the Z-axis lifting assembly, the capacitance heightening device is fixed on the right side of the laser cutting head, the lifting of the laser cutting head is adjusted according to the voltage between the plate and the laser cutting head, and the focal length of laser is kept unchanged all the time.

Further, an LED light supplement lamp is installed below the CCD camera lens.

Furthermore, the front of the control box is provided with an emergency stop button, a key switch button, a drive button and a laser button, and the interior of the control box is provided with a laser cutting control card, software, a motor driver, an electric element and a computer host, wherein the computer host is connected with the display and is provided with a mouse keyboard, and the mouse keyboard is positioned below the display.

The utility model discloses in, linear electric motor active cell and stator principle: the linear motor is a novel motor which directly converts electric energy into linear motion mechanical energy without any intermediate conversion device, and has the advantages of simple system structure, less abrasion, low noise, strong combination, convenient maintenance and the like. The types of the rotating motors and the linear motors are almost the corresponding types, the application range of the rotating motors is continuously expanded, and satisfactory effects are achieved in places where the rotating motors can play a role uniquely.

The linear motor is characterized in that the primary stage of the traditional cylindrical motor is unfolded and straightened, the closed magnetic field of the primary stage is changed into an open magnetic field, the stator part of the rotating motor is changed into the primary stage of the linear motor, and the rotor part of the rotating motor is changed into the secondary stage of the linear motor. After three-phase symmetrical sinusoidal current is introduced into a three-phase winding of the motor, an air gap magnetic field is generated between a primary winding and a secondary winding, and the distribution condition of the air gap magnetic field is similar to that of a rotating motor and is in sinusoidal distribution along the linear direction of expansion. When the three-phase current changes with time, the air gap magnetic field moves along a straight line according to a directional phase sequence, and the air gap magnetic field is called a traveling wave magnetic field. When the induced current of the secondary interacts with the air gap magnetic field, an electromagnetic thrust is generated, and if the primary is fixed, the secondary can move linearly along the moving direction of the traveling wave magnetic field. The feeding mode of direct drive of the linear motor of the high-speed machine tool can be realized, and the primary stage and the secondary stage of the linear motor are respectively and directly arranged on a workbench and a machine body of the high-speed machine tool. Since the transmission chain of the feeding transmission mode is shortened to 0, the transmission chain is called as 'zero transmission' of a machine tool feeding system.

Further, the cabinet and the sealing cover are both made of sheet metal; the X-axis organ cover bracket and the Y-axis organ cover bracket are both made of metal materials; the X-axis module base and the Y-axis module base are made of aluminum alloy materials; the linear motor rotor and the stator are developed by magnetic steel.

Furthermore, the linear guide rail adopts a Japanese THK precision linear guide rail, so that the positioning precision is high, and the abrasion is less; the high precision can be maintained for a long time, and the assembly is easy and has interchangeability; the grating ruler adopts a Spanish hair lattice grating ruler with the precision of 0.5 um; the laser cutting head adopts a Raytools BT 2301 KW optical fiber cutting head in Switzerland and diversified interfaces are arranged, so that the laser cutting head can be matched with various optical fiber lasers; the control card and software of the laser cutting machine adopt a control system developed by Shanghai CuChu; the driver adopts a driver of a high-creation brand; the computer host adopts a Taiwan Linghua industrial control computer; the display, the mouse and the keyboard adopt a Dell display, a mouse and a keyboard.

Further, the CCD camera employs a high-resolution camera.

Further, the laser adopts a fiber continuous laser with the wavelength of 1070 nm.

Compared with the prior art, the utility model the advantage be:

the linear motion component in the utility model is driven by a linear motor platform, and because the linear motor does not need an additional device to change the rotary motion into the linear motion, the structure of the system is greatly simplified, and the weight and the volume are also greatly reduced; when linear motion is required, the linear motor can realize direct transmission, and various positioning errors caused by intermediate links are eliminated. Therefore, the positioning precision is high; the reaction speed is fast, the sensitivity is high, and the tracking effect is good. The linear motor is easy to support in a magnetic suspension manner, so that a certain air gap is always formed between the rotor and the stator without contact, the contact friction resistance between the stator and the stator is eliminated, and the sensitivity, the rapidity and the servo performance of the system are greatly improved; the linear motor has no contact transmission force, the mechanical friction loss is almost zero, the failure rate is low, the maintenance is free, the operation is safe and reliable, and the service life is long; the efficiency of the linear motor driving platform can be improved by about 20% compared with that of a screw rod.

The utility model discloses equipment carries on CCD camera visual positioning system, in to small-size product course of working, observes through the CCD camera, and operating personnel not only can select the accurate position that will cut, but also can see and enlarge back product cutting effect, can also snatch the mark position automatically according to the local characteristic of product and carry out the cutting machine to machining efficiency has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a perspective schematic view of the present invention.

Fig. 3 is the assembly structure diagram of the X-axis linear motion assembly, the Y-axis linear motion assembly and the Z-axis lifting assembly of the present invention.

Fig. 4 is a schematic structural diagram of the Y-axis linear motion assembly of the present invention.

Fig. 5 is a schematic structural diagram of the X-axis linear motion assembly of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, a small-size high-speed precision laser cutting machine comprises a cabinet 1, wherein a marble base 2 and a control box 3 are installed on the upper end face of the cabinet 1, an optical fiber laser 4 and a computer host 5 are installed in the cabinet 1, two sets of Y-axis linear motion components 6 which are arranged in parallel are installed on the marble base 2, an X-axis linear motion component 7 is fixed on each set of Y-axis linear motion components 6 which are arranged in parallel, a Z-axis lifting component 8 and a CCD camera 9 are connected on each X-axis linear motion component 7, a laser cutting head 10 is connected to the lower end of each Z-axis lifting component 8, and a capacitance heightening device 11 is installed on one side of each laser cutting head 10; the front surface of the control box 3 is provided with a display 12; the cabinet 1 is provided with a closed cover 13, the top of the closed cover 13 is provided with a lighting lamp 14, and the bottom of the cabinet 1 is provided with a material receiving box 15.

Further, the Y-axis linear motion assembly 6 comprises a Y-axis module base 6-1, Y-axis linear guide rails 6-2, a Y-axis linear motor stator 6-3, a Y-axis linear motor rotor 6-4, a Y-axis grating ruler 6-5, a Y-axis optical reading head 6-6, a Y-axis sealing plate 6-7, a Y-axis dust cover support 6-8, a Y-axis organ cover (not shown), a Y-axis sliding block 6-9 and a Y-axis moving plate 6-10, wherein the Y-axis module base 6-1 is fixed on the marble base 2, the Y-axis linear motor stator 6-3 is arranged on the Y-axis module base 6-1, the Y-axis linear guide rails 6-2 are arranged on one side of the Y-axis linear motor stator 6-3, and the stroke is 600 mm; one side of the Y-axis linear guide rail 6-2 is provided with a Y-axis grating ruler 6-5 (the grating ruler is also called as a grating ruler 6-5 displacement sensor/grating ruler sensor, and is a measurement feedback device working by utilizing the optical principle of a grating); a Y-axis slider 6-9 is arranged on the Y-axis linear guide rail 6-2, the Y-axis slider 6-9 is connected with a Y-axis moving plate 6-10, one side of the Y-axis slider 6-9 at the bottom of the Y-axis moving plate 6-10 is provided with a Y-axis linear motor rotor 6-4, the other side is provided with a Y-axis optical reading head 6-6, and the Y-axis optical reading head 6-6 is connected to a Y-axis grating ruler 6-5; two ends of the upper end face of the Y-axis module base 6-1 are fixedly connected with Y-axis sealing plates 6-7, Y-axis dust cover supports 6-8 are arranged at the inner side ends of the Y-axis sealing plates 6-7, and the Y-axis organ covers are arranged between the Y-axis dust cover supports 6-8 and the Y-axis sealing plates 6-7.

Further, the X-axis linear motion assembly 7 comprises an X-axis module base 7-1, an X-axis linear guide rail 7-2, an X-axis linear motor stator 7-3, an X-axis linear motor rotor 7-4, an X-axis grating ruler 7-5, an X-axis optical reading head 7-6, an X-axis sealing plate 7-7, an X-axis dust cover bracket 7-8, an X-axis organ cover (not shown), an X-axis slider 7-9 and an X-axis moving plate 7-10, the X-axis module base 7-1 is fixed on the upper end face of the Y-axis moving plate 6-10, an X-axis linear motor stator 7-4 is arranged in the middle of the X-axis module base 7-1, two sides of the X-axis linear motor stator 7-4 are respectively provided with an X-axis linear guide rail 7-2, and one side of the X-axis linear guide rail 7-2 is provided with an X-axis grating ruler 7-5; an X-axis slider 7-9 is mounted on the X-axis linear guide rail 7-2, the X-axis slider 7-9 is connected with an X-axis moving plate 7-10, an X-axis linear motor rotor 7-4 is mounted on one side of the X-axis slider at the bottom of the X-axis moving plate 7-10, an X-axis optical reading head 7-6 is mounted on the other side of the X-axis slider, and the X-axis optical reading head 7-6 is connected to an X-axis grating ruler 7-5; an X-axis sealing plate 7-7 is fixedly connected to two ends of the upper end face of the X-axis module base 7-1, an X-axis dust cover support 7-8 is arranged at the inner side end of the X-axis sealing plate 7-7, and the X-axis organ cover is arranged between the X-axis dust cover support 7-8 and the X-axis sealing plate 7-7.

Furthermore, the Z-axis lifting assembly 8 is connected to the front end of the X-axis moving plate 7-10 and plays a role in moving the laser focus up and down, the precise laser cutting head 10 is fixedly connected to the Z axis of the Z-axis lifting assembly 8, the capacitance heightening device 11 is fixed on the right side of the laser cutting head 10, the lifting of the laser cutting head 10 is adjusted according to the voltage between the plate and the laser cutting head 10, and the focal length of laser is kept unchanged all the time.

Further, an LED fill-in light (not shown) is installed below the lens of the CCD camera 9.

Furthermore, the front of the control box 3 is provided with an emergency stop button, a key switch button, a drive button and a laser button, and the interior of the control box is provided with a laser cutting control card and software, a motor driver, an electric element and a computer host 5, the computer host 5 is connected with the display 12 and is provided with a mouse and a keyboard, and the mouse and the keyboard are positioned below the display 12.

The utility model discloses in, linear electric motor active cell 6-4 and stator principle: the linear motor is a novel motor which directly converts electric energy into linear motion mechanical energy without any intermediate conversion device, and has the advantages of simple system structure, less abrasion, low noise, strong combination, convenient maintenance and the like. The types of the rotating motors and the linear motors are almost the corresponding types, the application range of the rotating motors is continuously expanded, and satisfactory effects are achieved in places where the rotating motors can play a role uniquely.

Further, the cabinet 1 and the enclosure 13 are both made of sheet metal; the X-axis organ cover bracket and the Y-axis organ cover bracket are both made of metal materials; the X-axis module base 7-1 and the Y-axis module base 6-1 are made of aluminum alloy materials; the linear motor rotor 6-4 and the stator are developed by magnetic steel.

Furthermore, the linear guide rail 6-2 adopts a Japanese THK precision linear guide rail, so that the positioning precision is high and the abrasion is less; the high precision can be maintained for a long time, and the assembly is easy and has interchangeability; the grating ruler 6-5 adopts a grating ruler 6-5 with the precision of 0.5um in Spain; the laser cutting head 10 adopts a Raytools BT 2301 KW optical fiber cutting head of Switzerland and diversified interfaces, so that the laser cutting head can be matched with various optical fiber lasers 4; the control card and software of the laser cutting machine adopt a control system developed by Shanghai CuChu; the driver adopts a driver of a high-creation brand; the computer host 5 adopts a Taiwan Linghua industrial control computer; the display 12, the mouse and the keyboard adopt a Dell display 12, a mouse and a keyboard.

Further, the CCD camera 9 employs a high-resolution camera.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a high-speed accurate laser cutting machine of small-size face which characterized in that: the intelligent marble laser comprises a cabinet, wherein a marble base and a control box are installed on the upper end surface of the cabinet, a fiber laser and a computer host are installed in the cabinet, two sets of Y-axis linear motion components which are arranged in parallel are installed on the marble base, an X-axis linear motion component is fixed on the two sets of Y-axis linear motion components which are arranged in parallel, a Z-axis lifting component and a CCD camera are connected onto the X-axis linear motion component, the lower end of the Z-axis lifting component is connected with a laser cutting head, and a capacitance heightening device is installed on one side of the laser cutting head; the front side of the control box is provided with a display; the cabinet is provided with a sealing cover, the top in the sealing cover is provided with an illuminating lamp, and the bottom of the cabinet is provided with a material receiving box.

2. The small-breadth high-speed precision laser cutting machine according to claim 1, characterized in that: the Y-axis linear motion assembly comprises a Y-axis module base, a Y-axis linear guide rail, a Y-axis linear motor stator, a Y-axis linear motor rotor, a Y-axis grating ruler, a Y-axis optical reading head, a Y-axis sealing plate, a Y-axis dust cover bracket, a Y-axis organ cover, a Y-axis sliding block and a Y-axis moving plate, the Y-axis module base is fixed on the marble base, the Y-axis linear motor stator is arranged on the Y-axis module base, a Y-axis linear guide rail is arranged on one side of the Y-axis linear motor stator, and the stroke is 600 mm; a Y-axis grating ruler is arranged on one side of the Y-axis linear guide rail; a Y-axis sliding block is arranged on the Y-axis linear guide rail and connected with a Y-axis moving plate, a Y-axis linear motor rotor is arranged on one side of the Y-axis sliding block at the bottom of the Y-axis moving plate, a Y-axis optical reading head is arranged on the other side of the Y-axis sliding block, and the Y-axis optical reading head is connected to a Y-axis grating ruler; and two ends of the upper end surface of the Y-axis module base are fixedly connected with Y-axis sealing plates, the inner side ends of the Y-axis sealing plates are provided with Y-axis dustproof cover supports, and the Y-axis organ covers are arranged between the Y-axis dustproof cover supports and the Y-axis sealing plates.

3. The small-breadth high-speed precision laser cutting machine according to claim 1, characterized in that: the X-axis linear motion assembly comprises an X-axis module base, an X-axis linear guide rail, an X-axis linear motor stator, an X-axis linear motor rotor, an X-axis grating ruler, an X-axis optical reading head, an X-axis sealing plate, an X-axis dust cover bracket, an X-axis organ cover, an X-axis slider and an X-axis moving plate, wherein the X-axis module base is fixed on the upper end surface of the Y-axis moving plate; an X-axis slider is mounted on the X-axis linear guide rail and connected with an X-axis moving plate, an X-axis linear motor rotor is mounted on one side of the X-axis slider at the bottom of the X-axis moving plate, an X-axis optical reading head is mounted on the other side of the X-axis slider, and the X-axis optical reading head is connected to an X-axis grating ruler; the X-axis module base is characterized in that X-axis sealing plates are fixedly connected to two ends of the upper end face of the X-axis module base, an X-axis dust cover support is arranged at the inner side end of each X-axis sealing plate, and the X-axis organ covers are installed between the X-axis dust cover supports and the X-axis sealing plates.

4. The small-breadth high-speed precision laser cutting machine according to claim 1, characterized in that: and the Z-axis lifting assembly is connected to the front end of the X-axis moving plate.

5. The small-breadth high-speed precision laser cutting machine according to claim 1, characterized in that: and an LED light supplement lamp is arranged below the CCD camera lens.

6. The small-breadth high-speed precision laser cutting machine according to claim 1, characterized in that: the front of the control box is provided with an emergency stop button, a key switch button, a drive button and a laser button, and the control box is internally provided with a laser cutting control card, software, a motor driver, an electric element and a computer host, wherein the computer host is connected with a display and is provided with a mouse keyboard, and the mouse keyboard is positioned below the display.

7. The small-breadth high-speed precision laser cutting machine according to claim 1, characterized in that: the CCD camera adopts a high-resolution camera.

8. The small-breadth high-speed precision laser cutting machine according to claim 1, characterized in that: the laser adopts a fiber continuous laser with the wavelength of 1070 nm.