CN109014619A - A kind of laser cutting device - Google Patents

Abstract

A laser cutting device belongs to the technical field of laser cutting. The laser cutting device includes a laser cutting machine body, and also includes a moving mechanism, an adjusting structure, a motor and a controller. The moving mechanism straddles the laser cutting machine body, and the adjusting structure includes a driving shaft, a driven shaft, a first gear, The second gear, the cutting head, the rotating plate and the indicator plate, the driven shaft is arranged along the length direction of the connecting plate, the cutting head is arranged on the driven shaft, the second gear is fixed on the driven shaft, the second gear is connected with the first Gear meshing transmission connection, the first gear is fixed at one end of the drive shaft, the other end of the drive shaft is connected with a turn plate, one end of the turn plate is provided with an indicator plate, the indicator plate points to the scale plate, and the output shaft of the motor is connected to the slider , the controller is electrically connected with the moving mechanism. The laser cutting device has a simple structure, convenient and fast operation, can cut blanks with a certain inclination angle, can achieve the effect of adjusting and stopping at any time, and improves stability.

Description

A laser cutting device

technical field

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

Background technique

Laser cutting is the use of high-power-density laser beams to irradiate the material to be cut, so that the material is quickly heated to the vaporization temperature, and evaporates to form holes. As the beam moves to the material, the holes continuously form a narrow slit, such as about 0.1mm The cutting seam completes the cutting of the material.

When the laser is cutting, it can only be adjusted horizontally and vertically, and the blank can only be cut vertically, and it cannot be cut at an oblique angle according to the cutting requirements, which further limits the scope of use of laser cutting. For this reason, we propose A laser cutting device.

Contents of the invention

In order to solve the problems existing in the prior art, the object of the present invention is to provide a laser cutting device with simple structure, convenient and fast operation, capable of cutting blanks with a certain inclination angle, achieving the effect of stopping and adjusting, and improving the stability. sex.

In order to achieve the above object, technical scheme of the present invention is:

A laser cutting device, including a laser cutting machine body, said laser cutting device also includes a moving mechanism, an adjusting structure, a motor and a controller;

The moving mechanism is straddled on the laser cutting machine body, the moving mechanism includes two moving brackets and a sliding column, the two moving brackets are vertically arranged and their bottom ends are slidingly connected with the laser cutting machine body, and the sliding column is arranged horizontally Between the two mobile brackets and respectively connected with the upper parts of the two mobile brackets, a slide block is slidably installed on the sliding column, and a connecting plate is provided on the side wall of the sliding block, and the connecting plate is provided with an adjustment slot, and the adjustment slot There is an adjustment structure inside;

The adjustment structure includes a driving shaft, a driven shaft, a first gear, a second gear, a cutting head, a rotating plate and an indicating plate. The inner wall is rotatably connected, the driven shaft is provided with a cutting head, the driven shaft is fixed with a second gear, the second gear is meshed with the first gear, and the first gear is fixed at one end of the driving shaft. The other end of the driving shaft extends to the outside of the connecting plate in a direction away from the sliding column, and the other end of the driving shaft is connected to a rotating plate, one end of the rotating plate is provided with an indicating plate, and the connecting plate is close to one side of the rotating plate A scale plate is arranged on the side, and the indicator plate points to the scale plate;

The motor is installed on the mobile bracket, and the output shaft of the motor is connected with the slider to control the sliding of the slider;

The controller is electrically connected with the moving mechanism to control the moving mechanism to slide along the laser cutting machine body.

The two moving supports are arranged symmetrically on both sides of the laser cutting machine body.

The slide block is sheathed on the slide post, and the slide block and the slide post are vertically arranged.

The adjustment groove is opened on the bottom surface of the connecting plate.

The indicator plate is a tapered structure, and the top of the indicator plate is facing the scale line of the dial.

The motor is a push rod motor or a rotary motor.

When the motor is a push rod motor, the output rod of the push rod motor passes through the moving bracket connected to it and is connected with the outer wall of the slider.

When the motor is a rotating motor, the slider is provided with a horizontal threaded hole, the output end of the rotating motor is connected to the rotating shaft through a coupling, and the rotating shaft passes through the threaded hole and is rotationally connected to the mobile bracket away from the motor, and the rotating shaft is connected to the Slider screw drive connection.

A storage battery is installed below the motor, and the storage battery is connected with the motor through wires.

The mobile bracket is provided with a button, and the button is connected with the input port of the motor through a wire.

Beneficial effects of the present invention:

(1) The inclination position of the laser cutting device can be adjusted through the provided adjustment mechanism, and the angle of the cutting head can be manually adjusted accurately, so that it can cut a blank with a certain inclination angle, which improves the use range of the laser cutting machine ;

(2) Through the set dial and indicator board, the staff can accurately and quickly adjust the required angle, which improves the convenience;

(3) Through the meshing of the first gear and the second gear, the effect of stopping with adjustment can be achieved, and the stability is improved.

Description of drawings

Fig. 1 is the structural representation of laser cutting device of the present invention;

Fig. 2 is a schematic diagram of the connection structure between the moving mechanism and the slider of the present invention;

Fig. 3 is the structural representation of connecting plate of the present invention;

Fig. 4 is a schematic diagram of the enlarged structure of part A in Fig. 3 of the present invention;

Fig. 5 is a schematic structural view of the side wall of the connecting plate of the present invention;

Fig. 6 is the connection schematic diagram that adopts push rod motor of the present invention;

Fig. 7 is a schematic diagram of the connection of a rotating electrical machine in the present invention.

in,

1-laser cutting machine body, 2-moving bracket, 3-sliding column, 4-slider, 5-connecting plate, 6-adjusting slot, 7-driven shaft, 8-cutting head, 9-through hole, 10- Bearing, 11-driving shaft, 12-first gear, 13-second gear, 14-rotating plate, 15-indicating plate, 16-dial, 17-motor, 18-battery, 19-rotating shaft.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "bottom", "one end", "another end" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "connected", etc. should be understood in a broad sense, such as "connected", which may be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In order to solve the problems existing in the prior art, as shown in Figures 1 to 7, the present invention provides a laser cutting device, including a laser cutting machine body 1, and the laser cutting device also includes a moving mechanism, an adjusting structure and a motor 17;

The moving mechanism straddles the laser cutting machine body 1. The moving mechanism includes two moving brackets 2 and a sliding post 3. The two moving brackets 2 are vertically arranged and their bottom ends are slidably connected with the laser cutting machine body 1. The column 3 is arranged horizontally between the two mobile supports 2 and is respectively connected to the upper parts of the two mobile supports 2. A slider 4 is slidably installed on the sliding column 3, and a connecting plate 5 is provided on the side wall of the sliding block 4. The connecting plate 5 An adjustment groove 6 is provided, and an adjustment structure is arranged in the adjustment groove 6;

The adjustment structure includes a driving shaft 11, a driven shaft 7, a first gear 12, a second gear 13, a cutting head 8, a rotating plate 14 and an indicator plate 15, the driven shaft 7 is arranged along the length direction of the connecting plate 5, and the driven shaft The two ends of 7 are rotatably connected with the inner wall of the adjustment groove 6, the driven shaft 7 is provided with a cutting head 8, and the driven shaft 7 is fixedly provided with a second gear 13, and the second gear 13 is meshed with the first gear 12 for transmission connection. The first gear 12 is fixed on one end of the driving shaft 11, and the other end of the driving shaft 11 extends to the outside of the connecting plate 5 along the direction away from the sliding column 3, and the other end of the driving shaft 11 is connected with a rotating plate 14, the rotating plate One end of 14 is provided with indicating plate 15, and the side of connecting plate 5 close to rotating plate 14 is provided with scale plate, and indicating plate 15 points to the scale plate;

The motor 17 is installed on the mobile support 2, and the output shaft of the motor 17 is connected with the slide block 4;

The controller is electrically connected with the moving mechanism to control the moving mechanism to slide along the laser cutting machine body 1 .

In the present invention, as shown in Figures 1 to 2, two mobile brackets 2 are symmetrically arranged on both sides of the laser cutting machine body 1, with a symmetrical center line on the upper surface of the laser cutting machine body 1 as the axis of symmetry, and two The mobile bracket 2 is slidably installed on the laser cutting machine body 1, and the mobile bracket 2 is slidingly connected with the side wall of the laser cutting machine body 1 using a slide rail or a chute. The laser cutting machine body 1 is provided with a mobile bracket 2, which can increase the size of the cutting head. 8 cutting range. As shown in Figures 3 to 4, the sliding column 3 is integrally formed or mechanically connected with the two mobile brackets 2, the sliding column 3 is located above the laser cutting machine body 1, the sliding block 4 is sleeved on the sliding column 3, and the sliding block 4 is vertically arranged with the sliding column 3, the connecting plate 5 is arranged on the upper part of the side wall of the slider 4, the connecting plate 5 is located above the sliding column 3, the connecting plate 5 is a rectangular structure and is arranged horizontally along its length direction, the length of the connecting plate 5 The direction is perpendicular to the length direction of the sliding column 3, the connecting plate 5 and the sliding block 4 are integrally formed or mechanically connected, the side of the connecting plate 5 away from the sliding column 3 is provided with a through hole 9, and the inner side wall of the through hole 9 is embedded with a bearing 10. The bearing 10 plays a supporting role and can bear the radial load. The drive shaft 11 is connected inside the bearing 10. The bearing 10 and the drive shaft 11 adopt an interference fit. When the interference fit is large, the bearing 10 needs to be adjusted. Heating and cooling the shaft, using the principle of thermal expansion and contraction for assembly, the diameter of the driving shaft 11 is smaller than the diameter of the through hole 9, the driving shaft 11 can rotate in the through hole 9, and one end of the driving shaft 11 is welded to the first gear 12, The other end of the driving shaft 11 is mechanically connected or welded to the rotating plate 14. The rotating plate 14 is arranged perpendicular to the driving shaft 11. The rotating plate 14 has a symmetrical structure with the axis of the driving shaft 11 as the axis of symmetry. The indicator plate 15 is connected to one end of the rotating plate 14. The end face of the rotating plate 14 and the indicating plate 15 are welded or mechanically connected; the driven shaft 7 and the cutting head 8 are integrally formed or mechanically connected, the cutting head 8 is connected to the outer wall of the driven shaft 7, and the second gear 13 sets Set on the driven shaft 7 and welded with the driven shaft 7, the cutting head 8 is located between the second gear 13 and the sliding column 3, the driving shaft 11 and the driven shaft 7 are connected through gear meshing, which improves the cutting head 8 The rotation accuracy of the motor 17 and the mobile bracket 2 are fixed by mechanical connection, the motor 17 is arranged on any side of the mobile bracket 2 away from the slider 4, and the output shaft of the motor 17 passes through the mobile bracket 2 and the slider 4 connected thereto connected, the motor 17 drives the slider 4 to move, and the slider 4 drives the mobile bracket 2 to move. The controller is set on the mobile bracket, and the controller is the MJUNIT-MJ45 dual-axis linear guide rail controller.

The adjustment groove 6 is provided on the bottom surface of the connecting plate 5 . In the present invention, the adjusting groove 6 is used to place the adjusting structure, and the adjusting groove 6 is located in the middle of the bottom surface of the connecting plate 5 and along the length direction of the connecting plate 5 .

The indicating plate 15 is a tapered structure, and the top of the indicating plate 15 faces the scale line of the dial 16 . In the present invention, as shown in Fig. 5, the scale plate 16 engraves the scale line on the side wall of the connection plate 5 by engraving technology, and the side wall of the connection plate 5 close to the rotating plate 14 is provided with a scale plate, so that the cutting head 8 can be clearly known. Rotation angle, when the indicator plate 15 is not working, its top is facing the 0 degree scale line of the dial 16. When the indicator plate 15 is facing the 0 degree scale line, the cutting head 8 is vertically downward, and when the indicator plate 15 deflects a certain degree, the cutting head 8 The corresponding degree of deflection in the opposite direction.

Motor 17 is a push rod motor or a rotary motor. In the present invention, as shown in Figure 6, when the motor 17 is a push rod motor, the output rod of the push rod motor passes through the mobile bracket 2 connected to it and is connected with the outer wall of the slider 4, wherein the output rod of the push rod motor is connected with the slide block 4 The outer wall is mechanically connected. As shown in Figure 7, when the motor 17 is a rotary motor, the slide block 4 is provided with a horizontally arranged threaded hole, and the output end of the rotary motor is connected with the rotating shaft 19 through a coupling, and the rotating shaft 19 passes through the threaded hole and is away from the moving bracket of the motor. 2 are connected in rotation, and the rotating shaft 19 is connected with the slider 4 through screw transmission.

The below of motor 17 is equipped with storage battery 18, and storage battery 18 is connected with motor 17 by wire. In the present invention, the storage battery 18 is connected to the side of the mobile support 2 away from the sliding column 3, the storage battery 18 and the motor 17 are located on the same side of the mobile support 2, and the laser cutting device is equipped with a storage battery 18, which can ensure the normal operation of the machine when the power is suddenly cut off. Prevent damage to the workpiece being cut.

The mobile support 2 is provided with a button, and the button is connected with the input port of the motor 17 through a wire.

It should be noted that the laser cutting machine body 1 in the present invention is the prior art, the laser cutting machine model is QGIII type, the laser cutting machine body 1 adopts its base part, the driven shaft 7 and the cutting head 8 are laser cutting machine Part of it is also a prior art.

The working principle of a laser cutting device in the present invention:

When adjusting the angle of the cutting head 8, you only need to turn the rotating plate 14, the rotating plate 14 drives the driving shaft 11 to rotate, the driving shaft 11 drives the first gear 12 to rotate, and the first gear 12 drives the second gear 13 for meshing transmission , thereby driving the second gear 13 to rotate, the second gear 13 drives the driven shaft 7 to rotate, the driven shaft 7 drives the cutting head 8 to rotate, and adjusts the inclination angle of the cutting head 8. At the same time, the staff observes the indicating plate 15 Facing the scale of the dial 16, determine the inclination angle of the cutting head 8, and fix the driven shaft 7 through the meshing force between the first gear 12 and the second gear 13, thereby fixing the cutting head 8 , and then determine the cutting inclination angle of the cutting head 8, and then complete the adjustment of the inclination angle of the cutting head 8, through the controller, make the moving mechanism slide along the laser cutting machine body 1, start the motor 17, and the motor 17 drives the slider 4 to move, and the slider 4 drives the connecting plate 5 to move, and the connecting plate 5 drives the cutting head 8 to move for cutting.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. A laser cutting device, comprising a laser cutting machine body, characterized in that the laser cutting device also includes a moving mechanism, an adjustment structure, a motor and a controller; The moving mechanism is straddled on the laser cutting machine body, the moving mechanism includes two moving brackets and a sliding column, the two moving brackets are vertically arranged and their bottom ends are slidingly connected with the laser cutting machine body, and the sliding column is arranged horizontally Between the two mobile brackets and respectively connected with the upper parts of the two mobile brackets, a slide block is slidably installed on the sliding column, and a connecting plate is provided on the side wall of the sliding block, and the connecting plate is provided with an adjustment slot, and the adjustment slot There is an adjustment structure inside; The adjustment structure includes a driving shaft, a driven shaft, a first gear, a second gear, a cutting head, a rotating plate and an indicating plate. The inner wall is rotatably connected, the driven shaft is provided with a cutting head, the driven shaft is fixed with a second gear, the second gear is meshed with the first gear, and the first gear is fixed at one end of the driving shaft. The other end of the driving shaft extends to the outside of the connecting plate in a direction away from the sliding column, and the other end of the driving shaft is connected to a rotating plate, one end of the rotating plate is provided with an indicating plate, and the connecting plate is close to one side of the rotating plate A scale plate is arranged on the side, and the indicator plate points to the scale plate; The motor is installed on the mobile bracket, and the output shaft of the motor is connected with the slider to control the sliding of the slider; The controller is electrically connected with the moving mechanism to control the moving mechanism to slide along the laser cutting machine body. 2. The laser cutting device according to claim 1, wherein the two movable supports are arranged symmetrically on both sides of the laser cutting machine body. 3 . The laser cutting device according to claim 1 , wherein the slider is sleeved on the sliding column, and the slider and the sliding column are vertically arranged. 4 . 4. The laser cutting device according to claim 1, characterized in that, the adjustment groove is opened on the bottom surface of the connecting plate. 5 . The laser cutting device according to claim 1 , wherein the indicator plate is a tapered structure, and the top of the indicator plate is facing the scale line of the dial. 6 . 6. The laser cutting device according to claim 1, wherein the motor is a pusher motor or a rotary motor. 7 . The laser cutting device according to claim 6 , wherein when the motor is a push rod motor, the output rod of the push rod motor is connected to the outer wall of the slider through a moving bracket connected thereto. 8. The laser cutting device according to claim 6, wherein when the motor is a rotary motor, the slider is provided with a horizontally arranged threaded hole, and the output end of the rotary motor is connected to the rotating shaft through a coupling, The rotating shaft passes through the threaded hole and is rotationally connected with the mobile bracket away from the motor, and the rotating shaft is threadedly connected with the slide block. 9. The laser cutting device according to claim 1, wherein a storage battery is installed under the motor, and the storage battery is connected to the motor through wires. 10. The laser cutting device according to claim 1, wherein a button is arranged on the moving support, and the button is connected to the input port of the motor through a wire.