CN215091408U

CN215091408U - Laser head anti-collision protection device of laser cutting machine

Info

Publication number: CN215091408U
Application number: CN202120475191.2U
Authority: CN
Inventors: 苏宝剑
Original assignee: Shandong Biaodu Intelligent Equipment Co ltd
Current assignee: Shandong Biaodu Intelligent Equipment Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-12-10
Anticipated expiration: 2031-03-05

Abstract

The utility model relates to a laser cutting machine technical field just discloses a laser cutting machine laser head collision avoidance device, the loach carrying platform comprises a supporting fram, the top fixedly connected with servo motor of support frame, servo motor's output runs through the inside of support frame and extends to the outside of support frame, servo motor's output fixedly connected with lead screw, the surface of lead screw is provided with the lifting plate, the second fixed slot has been seted up to the front side of lifting plate. This laser cutting machine laser head collision avoidance device is connected through high strength magnet through connecting plate rear side and lift plate front side, makes the connecting plate when taking place to remove, and high elasticity spring can strain the connecting plate, and then makes the favourable and high elasticity spring's of collision pulling force simultaneously act on the connecting plate and form the interact power, and then makes the collision obtain slowing down once more, and then makes the laser head can obtain better protection, makes the damage minimizing of laser head.

Description

Laser head anti-collision protection device of laser cutting machine

Technical Field

The utility model relates to a laser cutting machine technical field specifically is a laser cutting machine laser head collision avoidance device.

Background

At present, the industry of the laser cutting machine in China is developed at a high speed, related industrial manufacturers are numerous, enterprises purchase laser equipment to enlarge the production scale, the laser cutting is to irradiate a cut material by utilizing a high-power-density laser beam, so that the material is heated to a vaporization temperature quickly and is evaporated to form holes, and the holes continuously form cutting seams with narrow widths (such as about 0.1 mm) along with the movement of the material by the light beam so as to finish the cutting of the material; some current laser cutting machines are composed of a laser head and a control device; however, the laser head belongs to a tight part, is internally provided with glass optical fibers, is afraid of vibration and collision, is in close contact with a processing part, is easy to collide and damage when the laser head cuts the processing part, and further influences the processing process of a factory on a workpiece.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a laser cutting machine laser head collision avoidance device possesses and makes the laser head can obtain better protection, makes advantages such as the damage minimizing of laser head, has solved the laser head and has belonged to inseparable part, and it has glass optic fibre to be afraid of vibrations, is afraid of the collision, but the laser head belongs to again and processing part closely contacts, very easily bumps, and then makes the laser head easily take place the collision damage when carrying out the cutting of processing part, and then makes the mill receive the problem of influence to the course of working of work piece.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laser cutting machine laser head collision avoidance device, includes the support frame, the top fixedly connected with servo motor of support frame, servo motor's output runs through the inside of support frame and extends to the outside of support frame, servo motor's output fixedly connected with lead screw, the surface of lead screw is provided with the lifting plate, the second fixed slot has been seted up to the front side of lifting plate, the quantity of second fixed slot is four, four the second fixed slot is the rectangle array in the front side of lifting plate, four the inside of second fixed slot is provided with the same structure, the inside fixedly connected with high elasticity spring of second fixed slot, high elasticity spring's front end is provided with collision avoidance device, the front side of lifting plate is provided with protector.

Preferably, collision avoidance device includes the connecting plate, the rear side of connecting plate and the front side fixed connection of second fixed slot, the connecting plate sets up the front side at the lift plate, the rear side fixedly connected with location ball of connecting plate, the location ball is the hemisphere, the second constant head tank has been seted up to the front side of lift plate, the vertical cross-section of second constant head tank is the hemisphere equally, the front side fixedly connected with laser head of connecting plate, the front side fixedly connected with ohm dragon proximity switch of lift plate.

Preferably, the number of the positioning balls is four, the four positioning balls are arranged on the rear side of the connecting plate in a rectangular array mode, and the inner portion of the second positioning groove is connected with the surface of each positioning ball in a sliding mode.

Preferably, the protector includes the protecting crust, the rear side of protecting crust is connected with the front side rotation of lifting plate, the protecting crust passes through the hinge and is connected with the front side rotation of lifting plate, the inside of protecting crust is hollow structure, the protecting crust does not have bottom and rear side, first positioning groove has been seted up to the front side of lifting plate, the shifting chute has all been seted up to the left and right sides of protecting crust, the vertical cross-section that connects of shifting chute is the shape of falling L, the inside sliding connection of shifting chute has the dead lever, the dead lever is horizontal L shape, the top fixedly connected with extension spring of dead lever, first fixed slot has been seted up at the top of dead lever longitudinal rod, the rear side of dead lever longitudinal rod is provided with the inclined plane, the inclined plane of dead lever longitudinal rod rear side is provided with the gyro wheel.

Preferably, the inside of first constant head tank runs through the inside of lifting plate and extends to the outside of lifting plate, the inside front side of first constant head tank is provided with the inclined plane, the quantity of first constant head tank is two, two first constant head tank is the mirror image form and sets up the left and right sides in the lifting plate front side, two the inside of first constant head tank is provided with the same structure.

Preferably, the top end of the tension spring is fixedly connected with the inner wall of the moving groove, the inside of the first fixing groove is clamped with the inner wall of the first positioning groove, and the surface of the roller is connected with the inclined plane on the front side of the inside of the first positioning groove in a sliding mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a laser cutting machine laser head collision avoidance device possesses following beneficial effect:

1. this laser head collision avoidance device of laser cutting machine, pass through high strength magnet through connecting plate rear side and lift plate front side and be connected, make the laser head when bumping, the connecting plate can move at the front side of lift plate, and then make the impact obtain the buffering, and then make the laser head obtain certain protection, simultaneously through high elasticity spring's high elasticity, make the connecting plate when taking place to move, high elasticity spring can be taut to the connecting plate, and then make the collision profit form the interact power with high elasticity spring's pulling force simultaneously on the connecting plate, and then make the collision slow down once more, and then make the laser head can obtain better protection, make the damage minimizing of laser head.

2. This laser cutting machine laser head collision avoidance device, cooperation through location ball and second constant head tank, the stability that makes the connecting plate obtains guaranteeing, the positioning accuracy who makes the connecting plate obtains promoting, and then make the connecting plate after taking place the offset, the maintenance workman slides in the inside of second constant head tank through the location ball, can be more convenient reset the connecting plate, and then make the adjustment that resets to the connecting plate that the maintenance workman can be more convenient, make maintenance workman's maintenance speed promote to a certain extent, make the recovery to the normal position that the connecting plate can be more rapid accurate simultaneously.

3. This laser cutting machine laser head collision avoidance device, can make connecting plate and laser head protected through the protecting crust, the condition that object caused the damage to the laser head takes place in reducing external environment, can make the gap between connecting plate and the lift plate protected through the protecting crust simultaneously, it takes place to reduce the condition that tiny particle objects such as dust got into between connecting plate and the lift plate, it is not smooth with the cooperation of location ball to reduce the second constant head tank, the precision that resets that makes the laser head receives the influence, take place the dead condition of card, and then make the connecting plate can be better protect the laser head, make the operative installations that the workman can be more convenient simultaneously.

Drawings

FIG. 1 is a schematic structural view of a laser head collision avoidance device of a laser cutting machine of the present invention;

FIG. 2 is a schematic diagram of the lifting plate structure of the present invention;

FIG. 3 is a schematic view of the left side plan structure of the protective shell of the present invention;

fig. 4 is a schematic sectional structural view of the lifting plate of the present invention;

fig. 5 is a schematic view of a cross-sectional structure of the connection plate of the present invention.

In the figure: the device comprises a support frame 1, a servo motor 2, a lead screw 3, a lifting plate 4, a protective shell 5, a fixing rod 6, a moving groove 7, a first positioning groove 8, a proximity switch 9 ohm dragon, a laser head 10, a connecting plate 11, a roller 12, a first fixing groove 13, a high-elasticity spring 14, a tension spring 15, a second positioning groove 16, a positioning ball 17 and a second fixing groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-5, the present invention provides a technical solution: a laser head anti-collision protection device of a laser cutting machine comprises a support frame 1, wherein the support frame 1 is of an existing structure and not described in much detail, an external control device can control the support frame 1 to move, a servo motor 2 is fixedly connected to the top of the support frame 1, the servo motor 2 is of an existing structure and not described in much detail, the servo motor 2 is connected with an external power supply to start, an output end of the servo motor 2 penetrates through the inside of the support frame 1 and extends to the outside of the support frame 1, a lead screw 3 is fixedly connected to an output end of the servo motor 2, the lead screw 3 can rotate when the servo motor 2 is started, a lifting plate 4 is arranged on the surface of the lead screw 3, the lifting plate 4 can move up and down when the lead screw 3 rotates, a second fixing groove 18 is formed in the front side of the lifting plate 4, the number of the second fixing grooves 18 is four, and the four second fixing grooves 18 are in a rectangular array in the front side of the lifting plate 4, the same structure is arranged inside the four second fixing grooves 18, the high-elasticity springs 14 are fixedly connected inside the second fixing grooves 18, and the front ends of the high-elasticity springs 14 are provided with anti-collision protection devices;

the anti-collision protection device comprises a connecting plate 11, the rear side of the connecting plate 11 is fixedly connected with the front side of a second fixing groove 18, the connecting plate 11 is arranged at the front side of a lifting plate 4, the rear side of the connecting plate 11 is connected with the front side of the lifting plate 4 through a high-strength magnet, the rear side of the connecting plate 11 is fixedly connected with positioning balls 17, the number of the positioning balls 17 is four, the four positioning balls 17 are arranged at the rear side of the connecting plate 11 in a rectangular array mode, the positioning balls 17 are hemispherical, a second positioning groove 16 is formed in the front side of the lifting plate 4, the vertical section of the second positioning groove 16 is also hemispherical, the inner portion of the second positioning groove 16 is slidably connected with the surface of the positioning balls 17, the positioning balls 17 can slide into and out of the second positioning groove 16, the stability of the connecting plate 11 is ensured through the matching of the positioning balls 17 and the second positioning groove 16, and the positioning precision of the connecting plate 11 is improved, and then after the connecting plate 11 is deviated, a maintenance worker can slide into the second positioning groove 16 through the positioning ball 17 to reset the connecting plate 11 more conveniently, so that the maintenance worker can reset and adjust the connecting plate 11 more conveniently, the maintenance speed of the maintenance worker is improved to a certain extent, and the connecting plate 11 can be quickly and accurately restored to the original position, the laser head 10 is fixedly connected to the front side of the connecting plate 11, the laser head 10 is the existing structure and is not described herein, the laser head 10 can weld materials through an external control device, the ohmic dragon proximity switch 9 is fixedly connected to the front side of the lifting plate 4, the ohmic dragon proximity switch 9 is the existing structure and is not described herein, the sensing distance of the ohmic dragon proximity switch 9 is 0.1mm, and whether the connecting plate 11 is deviated or not can be effectively sensed, when a front collision or a rear collision occurs, the ohm dragon proximity switch 9 can sense the change of the distance of the connecting plate 11, a signal is generated and transmitted to the control system to control the laser cutting machine to emergently brake and protect the laser head 10, so that the laser head 10 can be more comprehensively protected, the device can be used more safely, the stability of the system is ensured, the laser head 10 is continuously protected before a fault is cleared, a secondary fault is prevented, and a protection device is arranged on the front side of the lifting plate 4;

when a front collision or a rear collision occurs, the positioning ball 17 slides out of the inside of the second positioning groove 16, the high-elasticity spring 14 is tensioned, the ohm dragon proximity switch 9 senses the change of the distance of the connecting plate 11, a signal is generated and transmitted to the control system, the laser cutting machine is controlled to emergently brake the protection laser head 10, after the fault is cleared manually, the alarm is eliminated manually, the Z axis is lifted, the protection plate automatically returns to achieve the aim of protecting the laser head 10, meanwhile, the stability of the connecting plate 11 is ensured through the matching of the positioning ball 17 and the second positioning groove 16, the positioning precision of the connecting plate 11 is improved, and then after the connecting plate 11 deviates, a maintenance worker slides into the inside of the second positioning groove 16 through the positioning ball 17, can reset the connecting plate 11 more conveniently, and can reset and adjust the connecting plate 11 more conveniently by the maintenance worker, the maintenance speed of a maintenance worker is improved to a certain extent, meanwhile, the connecting plate 11 can be quickly and accurately restored to the original position, the rear side of the connecting plate 11 is connected with the front side of the lifting plate 4 through a high-strength magnet, so that when the laser head 10 collides, the connecting plate 11 can move on the front side of the lifting plate 4, collision force is buffered, the laser head 10 is protected to a certain extent, meanwhile, through the high elasticity of the high-elasticity spring 14, when the connecting plate 11 moves, the high-elasticity spring 14 can tension the connecting plate 11, further, the collision force and the tension of the high-elasticity spring 14 act on the connecting plate 11 at the same time to form interaction force, further, collision is relieved again, further, the laser head 10 can be better protected, and damage to the laser head 10 is minimized;

the protection device comprises a protection shell 5, the rear side of the protection shell 5 is rotatably connected with the front side of a lifting plate 4 through a hinge, the protection shell 5 is rotatably connected with the front side of the lifting plate 4 through a hinge, the protection shell 5 can rotate at the front side of the lifting plate 4, the interior of the protection shell 5 is of a hollow structure, the protection shell 5 is not provided with a bottom and a rear side, a connecting plate 11 is arranged in the protection shell 5 and is not in contact with the inner wall of the protection shell 5, a first positioning groove 8 is formed in the front side of the lifting plate 4, the interior of the first positioning groove 8 penetrates through the interior of the lifting plate 4 and extends to the exterior of the lifting plate 4, an inclined plane is arranged at the front side of the interior of the first positioning groove 8, the number of the first positioning grooves 8 is two, the two first positioning grooves 8 are arranged at the left side and the right side of the front side of the lifting plate 4 in a mirror image form, the interiors of the two first positioning grooves 8 are provided with the same structure, moving grooves 7 are formed at the left side and the right side of the protection shell 5, the vertical connecting section of the moving groove 7 is inverted L-shaped, the inside of the moving groove 7 is connected with a fixed rod 6 in a sliding manner, the fixed rod 6 is transverse L-shaped, the fixed rod 6 can move up and down in the moving groove 7, the top of the fixed rod 6 is fixedly connected with a tension spring 15, the top end of the tension spring 15 is fixedly connected with the inner wall of the moving groove 7, the tension spring 15 can be compressed and stretched by the up and down movement of the fixed rod 6, the top of a longitudinal rod of the fixed rod 6 is provided with a first fixed groove 13, the inside of the first fixed groove 13 is clamped with the inner wall of the first fixed groove 8, the inner wall of the first fixed groove 8 can slide into and slide out of the inside of the first fixed groove 13, the rear side of the longitudinal rod of the fixed rod 6 is provided with an inclined plane, the inclined plane at the rear side of the longitudinal rod of the fixed rod 6 is provided with a roller 12, the roller 12 can roll on the inclined plane at the rear side of the longitudinal rod of the fixed rod 6, the surface of the roller 12 is connected with the inclined plane at the front side in the first fixed groove 8 in a sliding manner, the roller 12 can move on the inclined plane at the front side in the first positioning groove 8;

the protective shell 5 is enabled to rotate downwards, the rear side of the protective shell 5 is enabled to be attached to the front side of the lifting plate 4, meanwhile, in the rotating process of the protective shell 5, the roller 12 slides on the inclined plane on the front side inside the first positioning groove 8, the fixing rod 6 slides into the first positioning groove 8, the tension spring 15 is stretched, the tension spring 15 is reset to enable the inner wall of the first positioning groove 8 to slide into the first fixing groove 13, fixing of the protective shell 5 is achieved, the connecting plate 11 and the laser head 10 can be protected through the protective shell 5, the damage of objects in the external environment to the laser head 10 is reduced, meanwhile, the gap between the connecting plate 11 and the lifting plate 4 can be protected through the protective shell 5, the situation that small particle objects such as dust enter between the connecting plate 11 and the lifting plate 4 is reduced, the unsmooth matching of the second positioning groove 16 and the positioning ball 17 is reduced, make the precision that resets of laser head 10 receive the influence, take place the dead condition of card, and then make connecting plate 11 can be better protect laser head 10, make the operative installations that the workman can be more convenient simultaneously.

The working principle is as follows:

when the laser head anti-collision protection device of the laser cutting machine is used, the protective shell 5 rotates downwards, the rear side of the protective shell 5 is attached to the front side of the lifting plate 4, meanwhile, in the rotating process of the protective shell 5, the roller 12 slides on the inclined plane on the front side inside the first positioning groove 8, the fixing rod 6 slides into the first positioning groove 8, the tension spring 15 stretches, the tension spring 15 resets to slide the inner wall of the first positioning groove 8 into the first fixing groove 13, the protective shell 5 is fixed, the connecting plate 11 and the laser head 10 can be protected through the protective shell 5, the occurrence of damage of objects to the laser head 10 in the external environment is reduced, meanwhile, the gap between the connecting plate 11 and the lifting plate 4 can be protected through the protective shell 5, the occurrence of the situation that small-particle objects such as dust and the like enter between the connecting plate 11 and the lifting plate 4 is reduced, when the front portion or the rear portion collides, location ball 17 roll-off second constant head tank 16's inside, high elasticity spring 14 strains, the change of the distance of connecting plate 11 can be sensed to ohm dragon proximity switch 9, produce signal transmission and give control system, control laser cutting machine emergency braking protection laser head 10, after artificial fault clearing, the artifical warning that eliminates, the Z axle promotes, protection shield self return, reach the purpose of protection laser head 10, simultaneously through location ball 17 and second constant head tank 16's cooperation, make connecting plate 11's stability obtain guaranteeing, make connecting plate 11's positioning accuracy obtain promoting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laser cutting machine laser head collision avoidance device, includes support frame (1), the top fixedly connected with servo motor (2) of support frame (1), its characterized in that: the output of servo motor (2) runs through the inside of support frame (1) and extends to the outside of support frame (1), the output fixedly connected with lead screw (3) of servo motor (2), the surface of lead screw (3) is provided with promotes board (4), second fixed slot (18) have been seted up to the front side of promoting board (4), the quantity of second fixed slot (18) is four, four second fixed slot (18) are the front side of rectangle array at promoting board (4), four the inside of second fixed slot (18) is provided with the same structure, the inside fixedly connected with high elasticity spring (14) of second fixed slot (18), the front end of high elasticity spring (14) is provided with collision avoidance device, the front side of promoting board (4) is provided with protector.

2. The laser cutting machine laser head collision avoidance device of claim 1, characterized in that: the anti-collision protection device comprises a connecting plate (11), the rear side of the connecting plate (11) is fixedly connected with the front side of a second fixing groove (18), the connecting plate (11) is arranged on the front side of the lifting plate (4), the rear side of the connecting plate (11) is fixedly connected with a positioning ball (17), the positioning ball (17) is hemispherical, a second positioning groove (16) is arranged on the front side of the lifting plate (4), the vertical cross section of the second positioning groove (16) is also hemispherical, the front side of the connecting plate (11) is fixedly connected with a laser head (10), and the front side of the lifting plate (4) is fixedly connected with an ohm dragon approach switch (9).

3. The laser cutting machine laser head collision avoidance device of claim 2, characterized in that: the number of the positioning balls (17) is four, the positioning balls (17) are arranged on the rear side of the connecting plate (11) in a rectangular array mode, and the inner portion of the second positioning groove (16) is connected with the surface of the positioning balls (17) in a sliding mode.

4. The laser cutting machine laser head collision avoidance device of claim 1, characterized in that: the protective device comprises a protective shell (5), the rear side of the protective shell (5) is rotatably connected with the front side of a lifting plate (4) through a hinge, the protective shell (5) is rotatably connected with the front side of the lifting plate (4) through the hinge, the protective shell (5) is of a hollow structure, the protective shell (5) is not provided with a bottom and a rear side, a first positioning groove (8) is formed in the front side of the lifting plate (4), moving grooves (7) are formed in the left side and the right side of the protective shell (5), the vertical connecting section of each moving groove (7) is in an inverted L shape, a fixed rod (6) is slidably connected in the moving groove (7), the fixed rod (6) is in a transverse L shape, a tension spring (15) is fixedly connected to the top of the fixed rod (6), a first fixing groove (13) is formed in the top of a longitudinal rod of the fixed rod (6), and an inclined plane is arranged on the rear side of the longitudinal rod of the fixed rod (6), the inclined plane at the rear side of the longitudinal rod of the fixed rod (6) is provided with a roller (12).

5. The laser cutting machine laser head collision avoidance device of claim 4, characterized in that: the inside of first constant head tank (8) runs through the inside of lifting plate (4) and extends to the outside of lifting plate (4), the inside front side of first constant head tank (8) is provided with the inclined plane, the quantity of first constant head tank (8) is two, two first constant head tank (8) are the left and right sides that the mirror image form set up in lifting plate (4) front side, two the inside of first constant head tank (8) is provided with the same structure.

6. The laser cutting machine laser head collision avoidance device of claim 4, characterized in that: the top of extension spring (15) and the inner wall fixed connection of shifting chute (7), the inside of first fixed slot (13) and the inner wall joint of first constant head tank (8), the inclined plane sliding connection of the surface of gyro wheel (12) and the inside front side of first constant head tank (8).