CN108188593A - Using Cartesian robot laser can remote transmission cutting equipment - Google Patents

Abstract

The present invention provides a cutting device that uses a Cartesian coordinate robot that can transmit laser light remotely, including a near-ground system, a transmission cable and a remote Cartesian coordinate actuator, realizes the combination of laser cutting and long-distance laser transmission, and is applicable to high altitude and terrain Complicated local operations; the focal depth of the laser beam can be adjusted, and can cut and punch thick metal plates; the overall structure of the equipment is compact, easy to carry, and can adapt to various workplaces; the overall equipment adopts the safety design of the protective cover to The operator is safe; the material receiving device is installed at the bottom of the equipment, which has the function of safety and environmental protection.

Description

Cutting equipment with laser remote transmission using a Cartesian robot

technical field

The invention relates to the field of laser processing equipment, in particular to a cutting equipment that uses a rectangular coordinate robot and can transmit laser light remotely.

Background technique

Laser cutting is an important application technology in the laser processing industry, which is widely used in the processing of metal and non-metal materials. Laser cutting has the advantages of precision manufacturing, flexible cutting, special-shaped processing, one-time forming, fast speed, and high efficiency. Therefore, it can replace some punching processing methods that require complex and large molds, which can greatly shorten the production cycle, reduce processing costs, and improve workpiece quality. At present, laser cutting is widely used in automobile manufacturing, aerospace, chemical industry, petroleum and metallurgy, power electronics and other industries.

Traditional laser cutting equipment is bulky, heavy, and not easy to carry. It is impossible to carry out cutting operations at high altitude or in the field conditions with small space and complex terrain. Especially in the field installation and maintenance of power towers, due to the bolt hole design and machining Due to the accuracy, the misaligned holes on the rod or plate are often re-drilled or repaired during installation. The drilling accuracy is poor, the drilling efficiency is low, the risk factor is high, and safety accidents are prone to occur.

Contents of the invention

In view of the shortcomings of the existing high-altitude laser cutting and drilling operations, the carrying equipment is too many, heavy, and the risk factor is high, to provide a cutting equipment that can meet the needs of high-altitude or long-distance operations with narrow space and complex terrain. The laser can be transmitted remotely using a Cartesian robot. , Using long-distance optical fiber to transmit high-power laser, realize remote cutting and drilling operations on large thickness metal plates, ensure operation safety, improve operation efficiency, and reduce the quality and quantity of carrying equipment.

In order to achieve the above object, the technical solution created by the present invention is achieved in this way:

Laser remote transportable cutting equipment using Cartesian robots, including near-ground systems, transmission cables and remote Cartesian actuators,

The near-earth system includes a laser generator, a micro control board and a shielding gas device;

The remote Cartesian coordinate actuator includes a Cartesian coordinates laser cutting head movement device, a laser cutting head and a material receiving device;

The Cartesian coordinates laser cutting head movement device is used to fix the parts to be processed; the Cartesian coordinates laser cutting head movement device is equipped with a laser cutting head,

The laser cutting head is respectively connected to the laser generator and the shielding gas device through the transmission cable;

The micro control board is electrically connected to the moving device of the Cartesian coordinate laser cutting head, the laser generator and the shielding gas device respectively.

Further, the moving device of the Cartesian coordinate laser cutting head is also equipped with a protective cover for preventing high-temperature metal cutting debris from splashing and preventing laser reflection and refraction to the outside.

Further, the protective cover is made of transparent and high temperature resistant material.

Further, the material receiving device is installed at the bottom of the Cartesian coordinate laser cutting head moving device.

Further, the transmission cables include motion control circuit cables, protective air circuits and optical fibers.

Further, the micro-control board controls the movement path of the laser cutting head, the light output power and light output time of the laser generator and the switch of the shielding gas device.

Further, the micro-control board is a single-chip microcomputer or a notebook computer.

Compared with the prior art, the present invention has the following advantages:

1) The combination of laser cutting and long-distance laser transmission is realized, which is suitable for high-altitude and complex terrain operations;

2) The focal depth of the laser beam can be adjusted, which can cut and punch thick metal plates;

3) The overall structure of the equipment is compact, easy to carry, and can adapt to various workplaces;

4) The overall equipment adopts the safety design of the protective cover to protect the safety of operators;

5) The material receiving device is installed at the bottom of the equipment, which has the function of safety and environmental protection.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the movement device of the laser cutting head in Cartesian coordinates;

Fig. 3 is that the present invention is applied to iron tower schematic diagram;

Fig. 4 is a schematic diagram of the application of the present invention to hills.

Explanation of main reference signs:

1. Transmission cable; 2. Cartesian coordinate laser cutting head movement device; 3. Laser cutting head; 4. Material receiving device; 5. Processing frame; 6. Near-ground system; 7. Remote Cartesian coordinate actuator.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention Creation and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in Figure 1, taking the on-site installation and maintenance work status of this equipment on a high power tower as an example, the cutting equipment created by the present invention that uses a Cartesian robot that can transmit laser light remotely includes a near-ground system 6, a transmission cable 1 and remote Cartesian actuator 7,

The near-earth system includes a laser generator, a micro control board and a shielding gas device;

The laser generator (such as the model: 1000W ~ 3000W fiber laser) is a fiber laser with high power, convenient movement and miniaturization;

The protective gas device provides high-pressure nitrogen or other protective gas through the protective gas circuit. The shielding gas device is a part of the laser cutting head, that is, the model of the shielding gas device is the same as that of the laser cutting head.

The transmission cable contains circuit control cables, protective air circuits, optical fibers, etc., and is connected to the near-ground system and the remote Cartesian coordinate actuator.

As shown in Figure 2, the remote Cartesian coordinate actuator 7 includes a Cartesian coordinates laser cutting head movement device 2, a laser cutting head 3 and a material receiving device 4;

The Cartesian coordinates laser cutting head moving device 2 is used to fix the frame 5 of the parts to be processed; the Cartesian coordinates laser cutting head moving device 2 is equipped with a laser cutting head 3, wherein the laser cutting head 3 has collimation, focusing , adjust the depth of focus and other functions, which can meet the processing requirements of thick steel plates;

The laser cutting head (such as the model is WSX-GQ-001A-OFY) is respectively connected to the laser generator and the shielding gas device through the transmission cable;

The micro control board is electrically connected to the moving device of the Cartesian coordinate laser cutting head, the laser generator and the shielding gas device respectively.

The moving device of the Cartesian coordinate laser cutting head is also equipped with a protective cover for preventing high-temperature metal cutting debris from splashing and preventing laser reflection and refraction to the outside.

The protective cover is made of transparent and high temperature resistant material.

The material receiving device 4 is installed at the bottom of the Cartesian coordinates laser cutting head moving device 2, and can collect scraps and metal plates splashed from high-temperature metal cutting.

Transmission cables include motion control circuit cables, protective air circuits and optical fibers.

The micro-control board controls the movement path of the laser cutting head, the light output power of the laser generator, the light output time and the switch of the shielding gas device.

The micro-control board is a single-chip microcomputer or a notebook computer.

As shown in Figure 3, the near-earth system 6 remotely operates the Cartesian coordinate mechanism through the transmission cable 1 to perform metal cutting and drilling operations on the iron tower, and the remote-operated Cartesian coordinate mechanism is fixed on the processing frame 5 through electromagnetic adsorption, bolt fastening, etc. .

As shown in Figure 4, the near-earth system remotely operates the Cartesian coordinate mechanism through the transmission cable 1 to carry out metal cutting operations on complex terrain such as hills. The remote Cartesian coordinate actuator is light in weight, small in size, easy to carry, and can work over a long distance. Not limited by the surrounding working environment.

As shown in Figure 2, the Cartesian coordinates laser cutting head moving device 2 includes a first shaft 201, a second shaft 202, a third shaft 203 and a fourth shaft 204, wherein one end of the second shaft 202 is slidably connected with the first shaft 201 , the other end of the second shaft 202 is slidingly connected with the third shaft 203, the laser cutting head 3 is fixed on the third shaft 203, and the laser cutting head 3 can slide on the fourth shaft 204, since the first shaft 201 is horizontally arranged, The second axis 202 is perpendicular to the first axis 201, the third axis 203 is perpendicular to the second axis 202 and is horizontal to the first axis 201, the fourth axis 204 is perpendicular to the laser cutting head 3, and the plane where the fourth axis 204 is located is in line with the second axis 201. The plane where the axis 202 is located is parallel; since the micro-control board is electrically connected to the moving device of the Cartesian coordinate laser cutting head, the micro-control board can control the movement track of the laser cutting head 3, and the laser cutting head 3 can move along the X-axis on the remote Cartesian coordinate actuator. , Y-axis and Z-axis three-dimensional movement.

In addition, the sliding manner of the first shaft 201 , the second shaft 202 , the third shaft 203 and the fourth shaft 204 may be a movement manner of a slideway and a chute.

The above-mentioned embodiments only express the implementation manner of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (7)

1. application Cartesian robot laser can remote transmission cutting equipment, it is characterised in that：Including near-earth system, pass Defeated cable and long-range rectangular co-ordinate executing agency,

The near-earth system includes laser generator, miniature control panel and protection device of air；

The long-range rectangular co-ordinate executing agency includes rectangular co-ordinate laser cutting head telecontrol equipment, laser cutting head and splicing dress It puts；

The component that the rectangular co-ordinate laser cutting head telecontrol equipment is processed for fixed needs；The rectangular co-ordinate laser is cut It cuts in a telecontrol equipment and laser cutting head is installed,

The laser cutting head is connected by the transmission cable with the laser generator and protection device of air respectively；

The miniature control panel is electrically connected the rectangular co-ordinate laser cutting head telecontrol equipment, laser generator and protection gas Device.

2. the laser according to claim 1 using Cartesian robot can remote transmission cutting equipment, feature It is：It is also equipped with preventing high-temperature metal cutting clast from splashing, preventing in the rectangular co-ordinate laser cutting head telecontrol equipment Only laser reflection and the protective cover for being refracted to outside.

3. the laser according to claim 2 using Cartesian robot can remote transmission cutting equipment, feature It is：The protective cover is made of transparent and heat safe material.

4. the laser according to claim 1 using Cartesian robot can remote transmission cutting equipment, feature It is：The material-receiving device is installed on the bottom of the rectangular co-ordinate laser cutting head telecontrol equipment.

5. the laser according to claim 1 using Cartesian robot can remote transmission cutting equipment, feature It is：Transmission cable includes motion control circuit cable, protection gas circuit and optical fiber.

6. the laser according to claim 1 using Cartesian robot can remote transmission cutting equipment, feature It is：The miniature control panel controls light power, the light extraction of the motion path of the laser cutting head, the laser generator Time and the switch of the protection device of air.

7. the laser according to claim 6 using Cartesian robot can remote transmission cutting equipment, feature It is：The miniature control panel is microcontroller or laptop.