Laser cutting device convenient to machine

Abstract

The utility model relates to the technical field of laser cutting equipment, in particular to a laser cutting device convenient to machine, which comprises a movable support and a first driving mechanism, the movable support is provided with a movable table and a second driving mechanism, and the movable table is provided with a lifting plate and a third driving mechanism. The lifting plate is provided with a laser cutting mechanism and a fourth driving mechanism, the laser cutting mechanism comprises a fixing frame and a connecting rotating shaft, the fixing frame is provided with a laser cutting head, the other end of the connecting rotating shaft is provided with a hinge shaft, one end of the fixing frame is hinged to the hinge shaft, and a fixing clamping ring is arranged on the outer circumference of the connecting rotating shaft. The laser cutting head not only can move in the X axis direction, the Y axis direction and the Z axis direction, but also can rotate in the A axis direction and the B axis direction, and therefore the laser cutting head can conduct groove cutting operation of different angles and different thicknesses.

Description

Technical Field

[0001] This utility model relates to the field of laser cutting equipment technology, and in particular to a laser cutting device that is easy to process. Background Technology

[0002] Laser cutting uses a high-energy-density laser beam to heat the workpiece, causing the workpiece temperature to rise rapidly and reach the boiling point of the workpiece material in a very short time. The workpiece begins to vaporize, forming steam. This steam is ejected at a very high speed, and at the same time as the steam is ejected, a cut is formed on the workpiece.

[0003] Existing laser cutting equipment can only perform linear feed and vertical cutting. With the increasing demand for bevel cutting, existing laser cutting equipment is unable to perform bevel cutting operations.

[0004] Therefore, there is an urgent need for a laser cutting device that is easy to process. Utility Model Content

[0005] The purpose of this invention is to provide a convenient laser cutting device to address the shortcomings of existing technologies. The laser cutting head of this invention can not only move in the XYZ three-axis direction, but also rotate in two directions, namely the A-axis centerline and the B-axis centerline, so that the laser cutting head can perform bevel cutting operations with different angles and thicknesses.

[0006] This utility model is achieved through the following technical solution: a laser cutting device that is easy to process, comprising a movable support and a first driving mechanism for driving the movable support to move along the Y-axis; the movable support is provided with a movable stage and a second driving mechanism for driving the movable stage to move along the X-axis; the movable stage is provided with a lifting plate and a third driving mechanism for driving the lifting plate to move up and down along the Z-axis; the lifting plate is provided with a laser cutting mechanism and a fourth driving mechanism for driving the laser cutting mechanism to rotate; the laser cutting mechanism includes a fixed frame and a connecting shaft; the fixed frame is provided with a laser cutting head; one end of the connecting shaft is drivenly connected to the fourth driving mechanism; the other end of the connecting shaft is provided with a first connecting part; the first connecting part is provided with a hinge shaft; one end of the fixed frame is provided with a second connecting part; the second connecting part is hinged to the hinge shaft; a fixing ring is provided on the outer circumference of the connecting shaft; the fixing ring is provided with a fifth driving mechanism for driving the laser cutting head to rotate around the axis of the hinge shaft.

[0007] Preferably, the fifth drive mechanism includes a cylinder, the fixing ring is provided with a first hinge seat, the fixing frame is provided with a second hinge seat, the cylinder body of the cylinder is hinged to the first hinge seat, and the piston rod of the cylinder is hinged to the second hinge seat.

[0008] Preferably, the first drive mechanism, the second drive mechanism, and the third drive mechanism are all lead screw linear transmission mechanisms.

[0009] Preferably, the mobile platform is equipped with a dustproof mechanism, which includes a fixed compartment that is fixedly connected to the mobile platform. The fixed compartment is equipped with an exhaust fan and an air intake.

[0010] Preferably, the fixed chamber is also equipped with a scrap separation net.

[0011] Preferably, the laser cutting head includes a collimator, the fixed frame is provided with a through slot for the collimator to pass through, the collimator is provided with a connecting plate, the connecting plate is detachably connected to the fixed frame, and a laser cutting nozzle is provided at the bottom of the collimator.

[0012] Preferably, the collimator is provided with a cooling ring on its outer circumference, and the cooling ring is provided with a water inlet and a water outlet.

[0013] The beneficial effects of this utility model are as follows: the laser cutting head moves linearly in the XYZ three-axis direction through the first drive mechanism, the second drive mechanism and the third drive mechanism, the laser cutting head is driven to rotate along the A axis centerline through the fourth drive mechanism, and the laser cutting head is driven to rotate along the B axis centerline (i.e. the axis centerline of the hinge axis) through the fifth drive mechanism. This utility model enables the laser cutting head to perform bevel cutting operations with different angles and thicknesses. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a three-dimensional structural diagram of the laser cutting mechanism of this utility model.

[0016] Figure 3 This is a right view of the laser cutting mechanism of this utility model.

[0017] Figure 4 This is a cross-sectional structural diagram of the fixed compartment of this utility model.

[0018] Figure 5 This is a schematic diagram of the structure of the laser cutting head of this utility model. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1 To be continued Figure 5 The present invention will be further described in detail below, along with specific embodiments.

[0020] like Figures 1 to 2As shown, a convenient laser cutting device includes a movable support 1 and a first drive mechanism 2 for driving the movable support 1 to move along the Y-axis. The movable support 1 is provided with a movable stage 3 and a second drive mechanism for driving the movable stage 3 to move along the X-axis. The movable stage 3 is provided with a lifting plate 5 and a third drive mechanism 6 for driving the lifting plate 5 to move up and down along the Z-axis. The lifting plate 5 is provided with a laser cutting mechanism 7 and a fourth drive mechanism 8 for driving the laser cutting mechanism 7 to rotate. The laser cutting mechanism includes a fixed frame 71 and a connecting shaft 72. 1. A laser cutting head 73 is provided. One end of the connecting shaft 72 is drivenly connected to the fourth driving mechanism 8. The other end of the connecting shaft 72 is provided with a first connecting part 721. The first connecting part 721 is provided with a hinge shaft 722. One end of the fixed frame 71 is provided with a second connecting part 711. The second connecting part 711 is hinged to the hinge shaft 722. A fixing ring 74 is provided on the outer circumference of the connecting shaft 72. The fixing ring 74 is provided with a fifth driving mechanism 75 for driving the laser cutting head 73 to rotate around the axis of the hinge shaft 722.

[0021] In this embodiment, the laser cutting head moves linearly along the XYZ three-axis directions via the first driving mechanism 2, the second driving mechanism (not shown), and the third driving mechanism 6, and rotates along the A-axis centerline (i.e., the axis connecting the rotating shaft 72) via the fourth driving mechanism 8. Figure 2 As shown), the laser cutting head 73 is driven to rotate along the B-axis (i.e., the axis of the hinge axis 722) via the fifth drive mechanism 75. Figure 2 As shown in the figure, this utility model enables the laser cutting head 73 to perform bevel cutting operations with different angles and thicknesses.

[0022] The design of the fixing ring 74 of this utility model can ensure that the laser cutting head 73 can rotate synchronously along the center line A and the center line B.

[0023] like Figure 3 As shown, in this embodiment, the fifth driving mechanism 75 includes a cylinder 751, the fixing ring 74 is provided with a first hinge seat 741, the fixing frame 71 is provided with a second hinge seat 712, the cylinder body of the cylinder 751 is hinged to the first hinge seat 741, and the piston rod of the cylinder 751 is hinged to the second hinge seat 712. When the piston rod of the cylinder 751 extends, the fixing frame 71 and the laser cutting head 73 rotate downward around the B axis (i.e., the axis of the hinge shaft 722); when the piston rod of the cylinder 751 retracts, the fixing frame 71 and the laser cutting head 73 rotate upward around the B axis (i.e., the axis of the hinge shaft 722).

[0024] In this embodiment, the first driving mechanism 2, the second driving mechanism (not shown) and the third driving mechanism 6 are all lead screw linear transmission mechanisms, or other linear transmission mechanisms.

[0025] Laser cutting generates a large amount of fumes and dust, polluting the workshop environment. Therefore, such as Figure 4 As shown, in this embodiment, the mobile platform 3 is equipped with a dustproof mechanism, which includes a fixed chamber 91. The fixed chamber 91 is fixedly connected to the mobile platform 3. An exhaust fan 92 is installed inside the fixed chamber 91, and an air intake 93 is provided in the fixed chamber 91. The dustproof mechanism is designed on the mobile platform 3 so that it can move along the X-axis with the laser cutting head 73. The exhaust fan 92 inside the fixed chamber 91 draws the dust into the fixed chamber 91 through the air intake 93, and the dust inside the fixed chamber 91 can be discharged through an external connecting pipe.

[0026] In this embodiment, the fixed chamber 91 is also provided with an iron filings separation net 94 for separating iron filings from the smoke and dust.

[0027] like Figure 5 As shown, in this embodiment, the laser cutting head 73 includes a collimator 731, the fixed frame 71 is provided with a through slot for the collimator 731 to pass through, the collimator 731 is provided with a connecting plate 732, the connecting plate 732 is detachably connected to the fixed frame 71, the bottom of the collimator 731 is provided with a laser cutting nozzle 733, and the connecting plate 732 of the collimator 731 is detachably connected to the fixed frame 71 by bolts.

[0028] The laser cutting head 73 generates a lot of heat during cutting. In this embodiment, a cooling ring 734 is provided on the outer circumference of the collimator 731. The cooling ring 734 is provided with a water inlet 7341 and a water outlet 7342. The cooling ring 734 is designed to dissipate heat from the laser cutting head 73. The cooling water inside the cooling ring 734 is replaced through the water inlet 7341 and the water outlet 7342.

[0029] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A laser cutting device for easy processing, comprising a movable support and a first drive mechanism for driving the movable support to move along the Y-axis, the movable support being provided with a movable stage and a second drive mechanism for driving the movable stage to move along the X-axis, the movable stage being provided with a lifting plate and a third drive mechanism for driving the lifting plate to move up and down along the Z-axis, the lifting plate being provided with a laser cutting mechanism and a fourth drive mechanism for driving the laser cutting mechanism to rotate, characterized in that: The laser cutting mechanism includes a fixed frame and a connecting shaft. The fixed frame is equipped with a laser cutting head. One end of the connecting shaft is driven by a fourth driving mechanism. The other end of the connecting shaft is equipped with a first connecting part, which is equipped with a hinge shaft. One end of the fixed frame is equipped with a second connecting part, which is hinged to the hinge shaft. A retaining ring is provided on the outer circumference of the connecting shaft. The retaining ring is equipped with a fifth driving mechanism for driving the laser cutting head to rotate around the axis of the hinge shaft.

2. A laser cutting apparatus for easy processing according to claim 1, characterized in that: The fifth drive mechanism includes a cylinder, the fixed retaining ring is provided with a first hinge seat, the fixed frame is provided with a second hinge seat, the cylinder body of the cylinder is hinged to the first hinge seat, and the piston rod of the cylinder is hinged to the second hinge seat.

3. The easy-to-use laser cutting apparatus of claim 1, wherein: The first drive mechanism, the second drive mechanism, and the third drive mechanism are all lead screw linear transmission mechanisms.

4. The easy-to-use laser cutting apparatus of claim 1, wherein: The mobile platform is equipped with a dustproof mechanism, which includes a fixed compartment. The fixed compartment is fixedly connected to the mobile platform, and an exhaust fan and an air intake are installed inside the fixed compartment.

5. A laser cutting apparatus of claim 4, wherein: The fixed chamber is also equipped with a scrap metal separation net.

6. The easy-to-use laser cutting apparatus of claim 1, wherein: The laser cutting head includes a collimator, the fixed frame is provided with a through slot for the collimator to pass through, the collimator is provided with a connecting plate, the connecting plate is detachably connected to the fixed frame, and a laser cutting nozzle is provided at the bottom of the collimator.

7. A laser cutting apparatus of claim 6, wherein: The collimator is provided with a cooling ring on its outer circumference, and the cooling ring is provided with a water inlet and a water outlet.

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