CN111347183B

CN111347183B - Laser cutting platform

Info

Publication number: CN111347183B
Application number: CN202010335513.3A
Authority: CN
Inventors: 朱金娇; 黎晓勇; 黄黎明; 李晓兵; 孙传武; 李蓉; 许娇成
Original assignee: Xinjiang Huixiang Laser Technology Co ltd
Current assignee: Xinjiang Huixiang Laser Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2022-07-15
Anticipated expiration: 2040-04-24
Also published as: CN111347183A

Abstract

The invention relates to the technical field of laser cutting equipment, in particular to a laser cutting platform which comprises a base, wherein four stand columns are fixedly installed on the base, an installation plate is fixedly installed among the four stand columns, a plurality of through holes are formed in the installation plate, linear bearings are installed on the through holes, a support surface is formed by a first electromagnet, after a steel plate is placed at a proper position, a plurality of first electromagnets firmly adsorb the steel plate, so that the steel plate is fixed, the problem of deviation of the steel plate is avoided, a second electromagnet downwards adsorbs a permanent magnet, so that the first electromagnet below a laser cutting machine body is far away from the steel plate to be cut, and the surface of the first electromagnet can be prevented from being damaged by a laser beam; no. two electro-magnets can be with cutting an electro-magnet of some below and stretch down, obtain the effect with the steel sheet pad height, except that cutting other regions of some outside support by an electro-magnet, and the support nature is good, can avoid the steel sheet to discover to warp or cave in.

Description

Laser cutting platform

Technical Field

The invention relates to the technical field of laser cutting equipment, in particular to a laser cutting platform.

Background

The laser cutting machine uses laser beams generated by a laser vibrator to focus the laser beams in a small area through a lens and a reflector, and the high concentration of energy can quickly heat a local part to melt a metal plate so as to achieve the purpose of cutting.

At present, in the process of cutting the steel plate, in order to avoid the laser beam from damaging the table top of the machine, the steel plate needs to be lifted, and a plurality of iron blocks with certain flatness are used for supporting the cut parts and then cutting the parts. However, in the process of cutting by using the supporting block, after the supported area of the center of the cutting part is cut and separated, the center of the whole cutting part loses support, so that the center of the cutting part is sunken and deformed, the part is directly positioned and fails to cause cutting errors, and the machine is seriously damaged and safety accidents are caused. The supporting block can only meet the cutting requirement of a plane part and cannot be used for supporting a stamped sheet metal part.

Disclosure of Invention

The invention provides a laser cutting platform, aiming at solving the problems that a steel plate cannot be well supported when a laser beam is used for cutting, and the steel plate cannot be effectively fixed on the cutting platform and is easy to deviate.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

a laser cutting platform comprises a base, wherein four stand columns are fixedly mounted on the base, a mounting plate is fixedly mounted between the four stand columns, a plurality of through holes are formed in the mounting plate, linear bearings are mounted on the through holes, sliding rods are slidably mounted in the bearings, an electromagnet is fixedly mounted at the upper end of each sliding rod, a permanent magnet is fixedly mounted at the lower end of each sliding rod, a reset spring is sleeved on each sliding rod, two ends of each reset spring are respectively connected to the electromagnet and the mounting plate, a protective frame is mounted on the base, two displacement devices are mounted in the protective frame and respectively arranged above the electromagnets and below the permanent magnets, a laser cutting machine body is mounted on the displacement device above the displacement device, a second electromagnet is mounted on the displacement device below the displacement device and used for downwards attracting the permanent magnets, the upper and lower sets of displacement devices are used for driving the laser cutting machine body and the second electromagnet to move synchronously, so that the laser cutting machine body and the second electromagnet are always located on the same vertical axis, and the first electromagnet and the second electromagnet are respectively electrically connected with an external power supply and a controller through wires.

Preferably, the displacement device comprises four servo electric cylinders, hinges are installed at two ends of each servo electric cylinder, one side of each servo electric cylinder is located, the hinges are installed on the protective frame, the servo electric cylinders are installed on four frames of the protective frame through the hinges respectively, the other side of each servo electric cylinder is located, and the hinges are installed on the side wall of the laser cutting machine body or the side wall of the electromagnet.

Preferably, an auxiliary plate is fixedly mounted among the four upright posts and located below the mounting plate, a plurality of mounting holes are formed in the auxiliary plate, a third electromagnet is fixedly mounted on the side wall of each mounting hole and used for pushing the permanent magnet downwards, and the third electromagnet is connected with the second electromagnet in series and controlled to work by a controller.

Preferably, a cooling fan is installed on the base and used for blowing air from bottom to top to dissipate heat.

Preferably, protection iron sheet is installed to the top of electro-magnet, protection iron sheet is U type structure, is equipped with the buckle on the inside wall of protection iron sheet, just install on the electro-magnet with buckle complex draw-in groove for detachable the being connected between protection iron sheet and electro-magnet.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the first electromagnets are utilized to jointly form a supporting surface, after the steel plate is placed at a proper position, the steel plate is firmly adsorbed by the first electromagnets, so that the steel plate is fixed, the problem of deviation of the steel plate is solved, the second electromagnets downwards adsorb the permanent magnets, so that the first electromagnets below the laser cutting machine body are far away from the steel plate to be cut, and the surface of the first electromagnets can be prevented from being damaged by a laser beam; no. two electromagnets can be with an electromagnet downwardly stretching of cutting point below, obtain the effect high with the steel sheet pad, other regions except that cutting point support by an electromagnet, and the support nature is good, can avoid the steel sheet discovery to warp or cave in.

2. Through setting up No. three electromagnets, can utilize No. three electromagnets to promote the permanent magnet downwards for No. two electromagnets can arrange more lean on the below, thereby further increase the distance that moves down of an electromagnet, promote the effect to an electromagnet protection.

3. Through the detachable protection iron sheet of installing in the top of an electro-magnet, can utilize protection iron sheet protection electro-magnet, when protection iron sheet damages, can directly change, the maintenance cost is low.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged partial view of FIG. 1 at A;

FIG. 3 is a connecting structure diagram of the first electromagnet and the protective steel sheet;

in the figure: the laser cutting machine comprises a base 1, a stand column 2, a mounting plate 3, a sliding rod 4, a first electromagnet 5, a permanent magnet 6, a return spring 7, a protective frame 8, a displacement device 9, a laser cutting machine body 10, a second electromagnet 11, an auxiliary plate 12, a third electromagnet 13, a cooling fan 14, a protective steel sheet 15 and a buckle 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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.

Referring to fig. 1-3, the present invention provides a technical solution:

a laser cutting platform comprises a base 1, wherein four stand columns 2 are fixedly mounted on the base 1, a mounting plate 3 is fixedly mounted between the four stand columns 2, a plurality of through holes are formed in the mounting plate 3, linear bearings are mounted on the through holes, a slide rod 4 is slidably mounted in the bearings, an electromagnet 5 is fixedly mounted at the upper end of the slide rod 4, a permanent magnet 6 is fixedly mounted at the lower end of the slide rod 4, a reset spring 7 is sleeved on the slide rod 4, two ends of the reset spring 7 are respectively connected to the electromagnet 5 and the mounting plate 3, a protective frame 8 is mounted on the base 1, two displacement devices 9 are mounted in the protective frame 8, the two displacement devices 9 are respectively arranged above the electromagnet 5 and below the permanent magnet 6, a laser cutting machine body 10 is mounted on the displacement device 9 above the displacement device 9, and a second electromagnet 11 is mounted on the displacement device 9 below the displacement device, the second electromagnet 11 is used for attracting the permanent magnet 6 downwards, the upper displacement device 9 and the lower displacement device 9 are used for driving the laser cutting machine body 10 and the second electromagnet 11 to move synchronously, so that the laser cutting machine body 10 and the second electromagnet 11 are always located on the same vertical axis, and the first electromagnet 5 and the second electromagnet 11 are electrically connected with an external power supply and a controller through conducting wires respectively.

When the steel plate cutting machine works, a steel plate to be cut is placed on the first electromagnet 5, the first electromagnet 5 is supported by the reset spring 7 at the moment, a plurality of first electromagnets 5 jointly form a supporting surface, after the steel plate is placed at a proper position, the first electromagnet 5 and the second electromagnet 11 are started through the controller, the steel plate is firmly adsorbed by the first electromagnets 5, the second electromagnet 11 downwards adsorbs the permanent magnet 6, the sliding rod 4 drives the first electromagnet 5 to downwards move, so that the first electromagnet 5 below the laser cutting machine body 10 is far away from the steel plate to be cut, the surface of the first electromagnet 5 can be prevented from being damaged by laser beams, and the first electromagnet 5 below a cutting point can be downwards stretched by the second electromagnet 11 due to the fact that the two sets of displacement devices 9 can synchronously move the laser cutting machine body 10 and the second electromagnet 11, when the laser cutting machine body 10 moves to cut the steel plate, the effect of heightening the steel plate pad is obtained, other areas except the cutting point are supported by the first electromagnet 5, the supporting performance is good, and deformation or sinking of the steel plate can be avoided.

As an embodiment of the present invention, the displacement device 9 includes four servo electric cylinders, hinges are installed at two ends of each servo electric cylinder, the hinge located at one side is installed on the protection frame 8, the four servo electric cylinders are respectively installed on four frames of the protection frame 8 through the hinges, the hinge located at the other side is installed on a side wall of the laser cutting machine body 10 or the second electromagnet 11, and the laser cutting machine body 10 and the second electromagnet 11 can reach any cutting position of the steel plate through the cooperation of the four servo electric cylinders.

As an embodiment of the present invention, an auxiliary plate 12 is fixedly installed among four upright posts 2, the auxiliary plate 12 is located below the mounting plate 3, a plurality of mounting holes are formed in the auxiliary plate 12, a third electromagnet 13 is fixedly installed on a side wall of each mounting hole, the third electromagnet 13 is used for pushing the permanent magnet 6 downwards, the third electromagnet 13 is connected in series with the second electromagnet 11 and is controlled by a controller to operate, when the second electromagnet 11 operates, the third electromagnet 13 is simultaneously started to push the permanent magnet 6 downwards, so that the second electromagnet 11 can be arranged further below, the downward moving distance of the first electromagnet 5 is further increased, and the effect of protecting the first electromagnet 5 is improved.

As an embodiment of the invention, the base 1 is provided with the cooling fan 14, the cooling fan 14 is used for blowing air from bottom to top to dissipate heat, and can cool the first electromagnet 5, the second electromagnet 11 and the permanent magnet 6, so that the long-time stable operation of the equipment is realized.

As an embodiment of the invention, a protective steel sheet 15 is installed above the first electromagnet 5, the protective steel sheet 15 is of a U-shaped structure, a buckle 16 is arranged on the inner side wall of the protective steel sheet 15, and a clamping groove matched with the buckle 16 is installed on the first electromagnet 5, so that the protective steel sheet 15 and the first electromagnet 5 are detachably connected, the first electromagnet 5 is protected by using the protective steel sheet 15, and when the protective steel sheet 15 is damaged, the protective steel sheet 15 can be directly replaced, and the maintenance cost is low.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The laser cutting platform comprises a base (1) and is characterized in that four stand columns (2) are fixedly mounted on the base (1), four mounting plates (3) are fixedly mounted between the stand columns (2), a plurality of through holes are formed in the mounting plates (3), linear bearings are mounted on the through holes, sliding rods (4) are slidably mounted in the bearings, electromagnets (5) are fixedly mounted at the upper ends of the sliding rods (4), permanent magnets (6) are fixedly mounted at the lower ends of the sliding rods (4), reset springs (7) are sleeved on the sliding rods (4), two ends of each reset spring (7) are respectively connected to the electromagnets (5) and the mounting plates (3), a protective frame (8) is mounted on the base (1), two sets of displacement devices (9) are mounted in the protective frame (8), and the two displacement devices (9) are respectively arranged above the electromagnets (5) and below the permanent magnets (6), the laser cutting machine is characterized in that a laser cutting machine body (10) is installed on a displacement device (9) located above, a second electromagnet (11) is installed on the displacement device (9) located below, the second electromagnet (11) is used for attracting a permanent magnet (6) downwards, the upper and lower two displacement devices (9) are used for driving the laser cutting machine body (10) and the second electromagnet (11) to move synchronously, the laser cutting machine body (10) and the second electromagnet (11) are enabled to be located on the same vertical axis all the time, the first electromagnet (5) and the second electromagnet (11) are respectively electrically connected with an external power supply and a controller through leads, the displacement device (9) comprises four servo electric cylinders, hinges are installed at two ends of each servo electric cylinder, the hinges located on one side are installed on a protection frame (8), and the four servo electric cylinders are respectively installed on four frames of the protection frame (8) through the hinges, the hinge positioned on the other side is arranged on the side wall of the laser cutting machine body (10) or the side wall of the second electromagnet (11), auxiliary plates (12) are fixedly arranged among the four upright posts (2), the auxiliary plates (12) are positioned below the mounting plate (3), a plurality of mounting holes are formed in the auxiliary plates (12), a third electromagnet (13) is fixedly arranged on the side wall of each mounting hole, the third electromagnet (13) is used for pushing the permanent magnet (6) downwards, the third electromagnet (13) is connected with the second electromagnet (11) in series and is controlled by a controller to work, a protective steel sheet (15) is arranged above the first electromagnet (5), the protective steel sheet (15) is of a U-shaped structure, a buckle (16) is arranged on the inner side wall of the protective steel sheet (15), and a clamping groove matched with the buckle (16) is arranged on the first electromagnet (5), so that the protective steel sheet (15) is detachably connected with the first electromagnet (5).

2. The laser cutting platform of claim 1, wherein: a cooling fan (14) is installed on the base (1), and the cooling fan (14) is used for blowing from bottom to top to dissipate heat.