A laser cutting machine for solar screen steel mesh removal

Abstract

The application relates to the field of laser cutting machines, and discloses a laser cutting machine for removing a solar screen steel screen, which comprises a cutting table used for carrying the screen, a laser cutting head arranged above the screen, a laser generator installed above the cutting head, the cutting head and the laser generator being installed on a two-axis sliding table, the two-axis sliding table driving the cutting head to freely move on a parallel surface above the screen, a gas generating assembly arranged around the cutting head, and the gas generating assembly comprising a blower and a gas suction pipe. The laser cutting machine is provided with an air outlet tank and an air outlet pipe, the air outlet pipe is provided with a first air outlet and a second air outlet at the top, when cutting, the gas is blown out from the first air outlet to clean the dust on the surface of the screen, when cutting is completed, the screen is pushed away from the cutting table by an external pushing device, and the gas is blown out from the second air outlet to blow away the debris on the surface of the screen.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser cutting machine, in particular to a laser cutting machine for removing solar screen steel mesh. BACKGROUND

[0002] Solar cells are generally divided into two types, one is printed, the other is thin film, wherein the printing method is usually used in the production of laser cutting machine, in the prior art, laser cutting machine has the advantages of high precision, high speed, instead of traditional mechanical cutter, laser cutting machine emits laser focusing into a beam by laser emitter, and moves with the workpiece relative to the beam, so as to cut the surface of the workpiece;

[0003] The waste material cut off after the laser cutting of the prior art solar screen steel mesh still stays on the surface of the screen, which needs to be cleared by other devices, and the operation is not changed, and there is still room for improvement. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a laser cutting machine for removing solar screen steel mesh to solve the problems in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A laser cutting machine for removing solar screen steel mesh, comprising a cutting table for carrying a screen, a laser cutting head is arranged above the screen, a laser generator is installed above the cutting head, the cutting head and the laser generator are installed on a two-axis sliding table, the two-axis sliding table drives the cutting head to move freely on the parallel surface above the screen, the cutting head is surrounded by a gas generating assembly, the gas generating assembly comprises:

[0007] A blower;

[0008] An air suction pipe, one end of which is connected to the air inlet end of the blower, the bottom air inlet end of the air suction pipe is aligned with the bottom end of the cutting head, since high temperature is generated during laser cutting, smoke is generated during high temperature cutting, which can be adsorbed by the air suction pipe;

[0009] An air outlet tank, the top of which is connected to the air outlet end of the blower, the bottom of the air outlet tank blows off the wind, which can blow off the debris on the surface of the screen;

[0010] A gas blowing nozzle connected to the bottom of the air outlet tank and communicating with the inner pipe of the air outlet tank, the bottom air outlet end of the gas blowing pipe is aligned with the bottom end of the cutting head, and the wind blown out through the gas blowing nozzle can cool the cutting head.

[0011] Preferably, the gas generating assembly further comprises:

[0012] A blowing pipe is connected to the bottom of the air outlet box, first and second air outlets are formed on both sides of the bottom of the blowing pipe, a reversing vane is installed inside the blowing pipe, the reversing vane allows the gas inside the blowing pipe to be blown out from the first or second air outlet, when cutting, the gas is blown out from the second air outlet to clean the surface of the screen, when cutting is completed, the screen is pushed away from the cutting table by an external pushing device, and the gas is blown out from the first air outlet to blow away the debris on the surface of the screen.

[0013] Preferably, the reversing vane is a cylindrical structure, which is rotatably installed on the inner wall of the blowing pipe, the outer wall of the reversing vane is in contact with the inner wall of the blowing pipe, one end of the blowing pipe is provided with a micro motor, and the output end of the micro motor is connected to one end of the reversing vane.

[0014] Preferably, the outer wall of the reversing vane is provided with a first notch, a second notch and a large notch, and the reversing vane has two states:

[0015] State one: the large notch is in communication with the inside of the air outlet box, the first notch is in communication with the first air outlet, and the second notch is away from the second air outlet;

[0016] State two: the large notch is in communication with the inside of the air outlet box, the second notch is in communication with the second air outlet, and the first notch is away from the first air outlet;

[0017] The micro motor drives the reversing vane to rotate, so that the reversing vane freely switches between the above two states.

[0018] Preferably, the cutting table is provided with a sliding rail inside, the sliding rail is used for sliding the screen to the position directly below the cutting head, the top of the cutting table is provided with a sliding plate, both ends of the sliding plate are slidably connected to both ends of the cutting table, one end of the sliding plate is provided with a first lead screw in a threaded manner, both ends of the first lead screw are rotatably connected to both ends of the cutting table, the laser generator is slidably connected to the top of the sliding plate, a second lead screw is provided in a threaded manner in the middle of the laser generator, both ends of the second lead screw are rotatably connected to both ends of the sliding plate, and a driving device is installed at one end of each of the first lead screw and the second lead screw, which can be a motor. The motor drives the first lead screw and the second lead screw to rotate, so that the sliding plate slides on the cutting table and the laser generator slides on the sliding plate, achieving the effect of two-axis movement, so that the output area of the cutting head can cover the screen.

[0019] Preferably, the air outlet box is fixedly installed on the top of the sliding plate, the air blower is fixedly installed on the top of the air outlet box, a first hose is connected between the air blower and the top end of the air suction pipe, and a second hose is connected between the bottom of the air outlet box and the top of the blowing nozzle.

[0020] Preferably, the top of the sliding plate is provided with two long grooves, and the two long grooves are matched with the laser generator and the air suction pipe respectively, and the laser generator and the air suction pipe can slide in the two long grooves respectively.

[0021] Preferably, the air outlet end of the air blower is connected with a filter box, the filter box is internally provided with a filter element, and the other end of the filter box is connected with a pipeline, and the other end of the pipeline is connected with the air suction pipe through a first hose. The filter box and the filter element inside the filter box can filter the adsorbed smoke gas or the gas with debris.

[0022] Compared with the prior art, the laser cutting machine for solar screen steel mesh removal has the following beneficial effects:

[0023] 1、The air suction pipe is arranged near the cutting head, so that when smoke is generated during cutting, the smoke can be collected through the air suction pipe and the air blower, and the air blowing nozzle is also arranged near the cutting head, so that when the cutting head works for a long time and generates high temperature, the cutting head can be blown and cooled through the air blowing nozzle.

[0024] 2、The air outlet box and the air outlet pipe are arranged, the first air outlet and the second air outlet are arranged at the top of the air outlet pipe, before cutting, the gas is blown out from the second air outlet to clean the dust on the surface of the screen, after cutting is completed, the screen is pushed away from the cutting table through the external pushing device, and the gas is blown out from the first air outlet to blow off the debris on the surface of the screen.

[0025] 3、The filter box and the filter element are arranged at the end of the air blower, and the filter box and the filter element inside the filter box can filter the adsorbed smoke gas or the gas with debris, so that the air blown by the air blower is in a clean state.

[0026] 4、The first lead screw and the second lead screw are driven to rotate by the motor, so that the sliding plate slides on the cutting table, and the laser generator slides on the sliding plate, the effect of two-axis movement is realized, and the output area of the cutting head can cover the screen. DETAILED DESCRIPTION

[0027] Figure 1 It is a perspective view of the present application;

[0028] Figure 2 It is a perspective view of the cutting table, the sliding plate and the cutting head of the present application;

[0029] Figure 3 It is a perspective view of the laser generator and the cutting head of the present application;

[0030] Figure 4 It is a partial sectional view of the present application;

[0031] Figure 5 isometric view of a gas generating assembly of the present application;

[0032] Figure 6 cross-sectional view of a gas generating assembly of the present application;

[0033] Figure 7 structural view of a commutating vane in state one of the present application;

[0034] Figure 8 structural view of a commutating vane in state two of the present application.

[0035] In the figure: 110, cutting table; 120, slide rail; 130, slide plate; 140, first lead screw; 150, second lead screw; 160, laser generator; 170, cutting head; 200, screen; 300, gas generating assembly; 310, air blower; 320, air suction pipe; 330, first hose; 340, filter box; 341, filter element; 350, pipeline; 360, air outlet box; 370, air blowing pipe; 371, commutating vane; 372, micro motor; 373, first notch; 374, second notch; 375, large notch; 376, first air outlet; 377, second air outlet; 380, air blowing nozzle; 390, second hose. Embodiment Example

[0036] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 The embodiment discloses a laser cutting machine for solar screen steel mesh removal, which comprises a cutting table 110 used for bearing a screen 200, a laser cutting head 170 arranged above the screen 200, a laser generator 160 installed above the cutting head 170, the cutting head 170 and the laser generator 160 being installed on a two-axis slide table, the two-axis slide table driving the cutting head 170 to freely move on a parallel surface above the screen 200, and a gas generating assembly 300 surrounding the cutting head 170, wherein the gas generating assembly 300 comprises:

[0037] An air blower 310 mainly composed of a motor and an impeller, which can also be other states capable of generating negative pressure and gas;

[0038] An air suction pipe 320, one end of which is connected with an air inlet end of the air blower 310, and the bottom air inlet end of the air suction pipe 320 is aligned with the bottom end of the cutting head 170; since high temperature is generated during laser cutting, smoke is generated during high-temperature cutting, and the smoke can be adsorbed through the air suction pipe 320;

[0039] An air outlet box 360 is connected to the air outlet end of the air blower 310, and the air blown from the bottom of the air outlet box 360 can blow away the debris on the surface of the screen 200. The air outlet box 360 has an L-shaped structure, and extends from the top of the sliding plate 130 to below the sliding plate 130, and to the vicinity of the cutting head 170;

[0040] An air blowing nozzle 380 is connected to the bottom of the air outlet box 360 and communicates with the inside of the air outlet box 360. The bottom air outlet end of the air blowing nozzle 380 is aligned with the bottom end of the cutting head 170. The air blown from the air blowing nozzle 380 can cool the cutting head 170. The diameter of the air blowing nozzle 380 decreases from top to bottom, which has the effect of increasing the pressure of the gas.

[0041] As shown in Figure 5 、 Figure 6 As a possible embodiment, the gas generating assembly 300 can further include:

[0042] An air blowing pipe 370 is connected to the bottom of the air outlet box 360. First and second air outlets 376 and 377 are formed on the bottom of the air blowing pipe 370. A reversing vane 371 is installed in the air blowing pipe 370. The reversing vane 371 can make the gas in the air blowing pipe 370 blow out from the first air outlet 376 or the second air outlet 377. Before cutting, the gas blows out from the second air outlet 377 to clean the dust on the surface of the screen 200. After cutting, the screen 200 is pushed away from the cutting table 110 by an external pushing device, and the gas blows out from the first air outlet 376 to blow away the debris on the surface of the screen 200.

[0043] It should be noted that the device for pushing the screen 200 can be an electric telescopic rod, a hydraulic telescopic rod, or a pneumatic telescopic rod.

[0044] As shown in Figure 7 、 Figure 8 As a possible embodiment, the reversing vane 371 has a cylindrical structure, and is rotatably installed on the inner wall of the air blowing pipe 370. The outer wall of the reversing vane 371 is in contact with the inner wall of the air blowing pipe 370. A micro motor 372 is installed at one end of the air blowing pipe 370. The output end of the micro motor 372 is connected to one end of the reversing vane 371.

[0045] When the screen 200 is moved from one end of the cutting table 110 to the middle of the cutting table 110, the gas should be blown out from the second gas outlet 377 on one side of the blowing pipe 370, so that the dust can be blown away from the cutting table 110. When the debris on the screen 200 needs to be cleaned after the cutting is completed, the gas should be blown out from the first gas outlet 376 on the other side of the blowing pipe 370, so that the gas is blown out to the outside of the cutting table 110 before or after the cutting.

[0046] Therefore, the following scheme can be implemented:

[0047] The outer wall of the reversing piece 371 is provided with a first notch 373, a second notch 374 and a large notch 375. The reversing piece 371 has two states:

[0048] State one: the large notch 375 is in communication with the inside of the gas outlet box 360, the first notch 373 is in communication with the first gas outlet 376, and the second notch 374 is away from the second gas outlet 377.

[0049] State two: the large notch 375 is in communication with the inside of the gas outlet box 360, the second notch 374 is in communication with the second gas outlet 377, and the first notch 373 is away from the first gas outlet 376.

[0050] The reversing piece 371 is driven to rotate by the micro motor 372, so that the reversing piece 371 can freely switch between the above two states (for example, Figure 7 , Figure 8 The directions shown by the dashed lines in the figure are state one and state two, respectively.

[0051] The two-axis sliding table mentioned above can be the following scheme:

[0052] The inside of the cutting table 110 is provided with a sliding rail 120 for the screen 200 to slide to the directly below the cutting head 170, the top of the cutting table 110 is provided with a sliding plate 130, both ends of the sliding plate 130 are slidingly connected with both ends of the cutting table 110, one end of the sliding plate 130 is provided with a first lead screw 140, both ends of the first lead screw 140 are rotatably connected with both ends of the cutting table 110, the laser generator 160 is slidingly connected with the top of the sliding plate 130, the middle of the laser generator 160 is provided with a second lead screw 150, both ends of the second lead screw 150 are rotatably connected with both ends of the sliding plate 130, a driving device is arranged on one end of the first lead screw 140 and the second lead screw 150, the driving device can be a motor, the first lead screw 140 and the second lead screw 150 are driven to rotate by the motor, so that the sliding plate 130 slides on the cutting table 110, and the laser generator 160 slides on the sliding plate 130, achieving the effect of two-axis movement, so that the output area of the cutting head 170 can cover the screen 200.

[0053] In order to enable the laser generator 160 to work normally when moving, the suction pipe 320 and the blowing nozzle 380 can be connected with the air blower 310 through the first hose 330 and the second hose 390 respectively, the air outlet box 360 is fixedly installed on the top of the sliding plate 130, the air blower 310 is fixedly installed on the top of the air outlet box 360, the first hose 330 is connected between the air blower 310 and the top end of the suction pipe 320, and the second hose 390 is connected between the bottom of the air outlet box 360 and the top of the blowing nozzle 380.

[0054] As shown in Figure 1 In order to enable the laser generator 160 and the suction pipe 320 to move normally on the sliding plate 130, two long grooves can be formed on the top of the sliding plate 130, the two long grooves are matched with the laser generator 160 and the suction pipe 320 respectively, and the laser generator 160 and the suction pipe 320 can slide in the two long grooves respectively.

[0055] As shown in Figure 6 The air outlet end of the air blower 310 is connected with a filter box 340, the filter box 340 is internally provided with a filter element 341, the other end of the filter box 340 is connected with a pipeline 350, and the other end of the pipeline 350 is connected with the suction pipe 320 through the first hose 330. The filter box 340 and the filter element 341 therein can filter the adsorbed smoke gas or gas containing debris.

Claims

1. A laser cutting machine for removing steel mesh from solar cell screens, comprising a cutting table (110) for supporting a screen (200), a laser cutting head (170) disposed above the screen (200), and a laser generator (160) mounted above the cutting head (170), characterized in that: The cutting head (170) and laser generator (160) are mounted on a two-axis slide, which drives the cutting head (170) to move freely on a parallel plane above the screen (200). A gas generating assembly (300) surrounds the cutting head (170), and the gas generating assembly (300) includes: Blower (310); The suction pipe (320) has one end connected to the air inlet of the blower (310), and the bottom air inlet of the suction pipe (320) is aligned with the bottom of the cutting head (170). An air outlet box (360) is connected at its top to the air outlet end of the blower (310); An air nozzle (380) is connected to the bottom of the air outlet box (360) and communicates with the inside of the air outlet box (360). The bottom air outlet of the air nozzle (380) is aligned with the bottom end of the cutting head (170), and the air nozzle (380) blows air to the cutting head (170) to dissipate heat. The gas generating assembly (300) further includes: An air blowing pipe (370) is connected to the bottom of the air outlet box (360). The bottom of the air blowing pipe (370) has a first air outlet (376) and a second air outlet (377) on both sides. A reversing plate (371) is installed inside the air blowing pipe (370). The reversing plate (371) allows the gas inside the air blowing pipe (370) to be blown out from the first air outlet (376) or the second air outlet (377). The commutator (371) is a cylindrical structure and is rotatably mounted on the inner wall of the air blowing pipe (370). The outer wall of the commutator (371) is in contact with the inner wall of the air blowing pipe (370). A micro motor (372) is installed at one end of the air blowing pipe (370), and the output end of the micro motor (372) is connected to one end of the commutator (371). The outer wall of the commutator segment (371) is provided with a first slot (373), a second slot (374) and a large slot (375), and the commutator segment (371) has two states: State 1: The large slot (375) is connected to the interior of the air outlet box (360), the first slot (373) is connected to the first air outlet (376), and the second slot (374) is far away from the second air outlet (377). State 2: The large slot (375) is connected to the interior of the air outlet box (360), the second slot (374) is connected to the second air outlet (377), and the first slot (373) is far away from the first air outlet (376). The micro motor (372) drives the commutator (371) to rotate, allowing the commutator (371) to freely switch between the two states mentioned above. Before cutting, gas is blown out from the second air outlet (377) to clean the dust on the surface of the screen (200). After cutting, the screen (200) is pushed away from the cutting table (110) by an external pushing device, and gas is blown out from the first air outlet (376) to remove the debris from the surface of the screen (200). The blower (310) has a filter box (340) connected to its air inlet end. The filter box (340) has a filter element (341) installed inside. The other end of the filter box (340) is connected to a pipe (350). The other end of the pipe (350) is connected to the suction pipe (320) through a first flexible hose (330).

2. The laser cutting machine for removing steel mesh from solar cell printing plates according to claim 1, characterized in that: The cutting table (110) is provided with a slide rail (120) inside, which allows the screen (200) to slide directly below the cutting head (170). A sliding plate (130) is installed on the top of the cutting table (110). The two ends of the sliding plate (130) are slidably connected to the two ends of the cutting table (110). A first lead screw (140) is threaded on one end of the sliding plate (130). The two ends of the first lead screw (140) are rotatably connected to the two ends of the cutting table (110). The laser generator (160) is slidably connected to the top of the sliding plate (130). A second lead screw (150) is threaded on the middle of the laser generator (160). The two ends of the second lead screw (150) are rotatably connected to the two ends of the sliding plate (130).

3. A laser cutting machine for removing steel mesh from solar cell printing plates according to claim 2, characterized in that: The air outlet box (360) is fixedly installed on the top of the sliding plate (130), the blower (310) is fixedly installed on the top of the air outlet box (360), a first hose (330) is connected between the blower (310) and the top of the suction pipe (320), and a second hose (390) is connected between the bottom of the air outlet box (360) and the top of the air nozzle (380).

4. A laser cutting machine for removing steel mesh from solar cell printing plates according to claim 3, characterized in that: The top of the sliding plate (130) has two long slots, which are respectively matched with the laser generator (160) and the air suction pipe (320). The laser generator (160) and the air suction pipe (320) can slide in the two long slots respectively.

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