Accurate smoke suction structure of laser cutting machine

Abstract

The utility model discloses an accurate smoke dust extraction structure of a laser cutting machine, which comprises a laser cutting machine body, a laser cutting head is arranged at the top of the laser cutting machine body, a first positioning clamp is welded on the outer wall of one side of the laser cutting head, a first air extraction pipe is arranged in the first positioning clamp, and a second air extraction pipe is arranged in the first air extraction pipe. Dust removal equipment is arranged on one side of the laser cutting machine body, a second exhaust pipe is arranged on one side of the dust removal equipment, and a fan is arranged on the other side of the dust removal equipment; the air exhaust head structure is arranged at the bottom end of the first air exhaust pipe, and the air exhaust head structure comprises a three-way pipe, a large-caliber air exhaust head and a small-caliber air exhaust head. According to the utility model, smoke dust generated by cutting can be conveniently and accurately sucked away, the coverage area of the air suction head can be adjusted according to the size of the smoke dust, the suction effect is good, particle impurities in the smoke dust can be conveniently filtered out, and the air suction pipe is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting machines, in particular to a precise smoke and dust extraction structure of a laser cutting machine. Background Art

[0002] Laser cutting machine is a device that uses high-power density laser beam for precision cutting. Its working principle is that the laser beam emitted by the laser resonator is transmitted through the optical path system and finally focused into a small and concentrated light spot. The extremely high heat at this focus can make the irradiated material (such as metal or other materials) melt, vaporize or reach the ignition point quickly. At the same time, the high-pressure gas coaxial with the light beam will blow away the molten or vaporized metal. As the relative position of the light beam and the workpiece moves, the material will eventually form a slit, thereby achieving the purpose of cutting. Laser cutting processing replaces the traditional mechanical knife with an invisible light beam. It has the characteristics of high precision, fast cutting, no limitation on cutting pattern, automatic typesetting to save materials, smooth incision, low processing cost, etc. It will gradually improve or replace traditional metal cutting process equipment.

[0003] The smoke and dust generated by the laser cutting machine when it is working is generally extracted by an exhaust fan, but the exhaust fan is generally a single pipe structure, and it is difficult to accurately extract the smoke and dust at the cutting point. If the smoke and dust are not extracted in time, they will spread around, polluting the workshop environment and human health, so it is urgently needed to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a precise smoke and dust extraction structure for a laser cutting machine to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a precise smoke and dust extraction structure for a laser cutting machine, comprising:

[0006] A laser cutting machine body, wherein a laser cutting head is installed on the top of the laser cutting machine body, a first positioning clamp is welded on the outer wall of one side of the laser cutting head, and a first exhaust pipe is arranged inside the first positioning clamp, a dust removal device is arranged on one side of the laser cutting machine body, and a second exhaust pipe is arranged on one side of the dust removal device, and the second exhaust pipe is connected to the dust removal device, and a fan is arranged on the other side of the dust removal device, and the input end of the fan is connected to the dust removal device;

[0007] The vacuum head structure is arranged at the bottom end of the first vacuum pipe, and the vacuum head structure includes a three-way pipe, a large-diameter vacuum head, and a small-diameter vacuum head. The three-way pipe is installed at the bottom end of the first vacuum pipe, and the large-diameter vacuum head and the small-diameter vacuum head are respectively arranged on both sides of the bottom end of the three-way pipe.

[0008] Preferably, a support frame is welded to the outer wall of the top of the laser cutting head, and a filtering structure is provided at the bottom end of the support frame for filtering particulate impurities in smoke.

[0009] Preferably, the filtering structure includes a filter box, an inner box, a filter screen, and an opening. The filter box is fixed to the bottom end of the support frame, the inner box is arranged inside the filter box, and the filter screens are installed inside the inner box to facilitate filtering out particulate impurities in the smoke.

[0010] Preferably, the filtering structure further comprises an opening, a sealing door panel, and a handle, wherein the openings are arranged at both ends of the filter box, and the openings are respectively connected to the first exhaust pipe and the second exhaust pipe for introducing and exporting smoke and dust.

[0011] Preferably, the sealing door plate is arranged on one side of the filter box, and the sealing door plate is fixedly connected to the inner box, and the handle is fixed on the outer wall of the sealing door plate, so as to facilitate sealing the filter box and taking out the inner box for cleaning.

[0012] Preferably, the vacuum head structure further includes a first valve and a second valve, wherein the first valve is installed at the connection between the large-diameter vacuum head and the three-way pipe, and is used for controlling the connection state of the large-diameter vacuum head.

[0013] Preferably, the second valve is installed at the connection between the small-diameter vacuum head and the three-way pipe, and is used for controlling the connection state of the small-diameter vacuum head.

[0014] Preferably, a second positioning clip is mounted on the outer wall of the first air extraction pipe at the position of the first positioning clip, and the second positioning clip is connected to the first positioning clip by screws, so as to facilitate fixing the first air extraction pipe.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the precise smoke and dust extraction structure of the laser cutting machine is provided with a first exhaust pipe, a first positioning clamp, a second positioning clamp, screws, a three-way pipe, a large-diameter exhaust head, a first valve, a small-diameter exhaust head, and a second valve. Since the first exhaust pipe is fixed in the first positioning clamp by the second positioning clamp and the screw, the first exhaust pipe is installed on one side of the laser cutting head. When the laser cutting work is performed, the laser cutting head drives the first exhaust pipe to move synchronously, the exhaust head structure at the bottom end of the first exhaust pipe is aligned with the cutting position, and the fan is started to make the second exhaust pipe move synchronously. Negative pressure suction is generated in the tube and the first exhaust pipe, and the exhaust head structure sucks away the smoke and dust, thereby facilitating the accurate extraction of the smoke and dust generated by cutting. Among them, the exhaust head structure includes a three-way pipe, a large-diameter exhaust head, and a small-diameter exhaust head. When the smoke and dust generated by cutting is small, the small-diameter exhaust head is aligned with the cutting position and the second valve is opened. When the smoke and dust are large, the three-way pipe is rotated to make the large-diameter exhaust head aligned with the cutting position, and the second valve is closed and the first valve is opened. The smoke and dust are extracted through the large-diameter exhaust head, and the smoke and dust can be quickly extracted, so that the coverage area of ​​the exhaust head can be adjusted according to the size of the smoke and dust, and the suction effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a partial enlarged structural schematic diagram of the utility model;

[0018] Figure 3 It is an enlarged structural diagram of the vacuum head structure of the utility model;

[0019] Figure 4 It is an enlarged structural diagram of the filtering structure of the utility model.

[0020] In the figure: 1. Laser cutting machine body; 2. Laser cutting head; 3. First exhaust pipe; 4. Support frame; 5. Filter structure; 501. Filter box; 502. Inner box; 503. Filter; 504. Opening; 505. Sealed door panel; 506. Handle; 6. Second exhaust pipe; 7. Dust removal equipment; 8. Fan; 9. Exhaust head structure; 901. Three-way pipe; 902. Large-diameter exhaust head; 903. First valve; 904. Small-diameter exhaust head; 905. Second valve; 10. First positioning clamp; 11. Second positioning clamp; 12. Screw. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the utility model shall fall within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an embodiment: a precise smoke and dust extraction structure for a laser cutting machine, comprising:

[0023] A laser cutting machine body 1, a laser cutting head 2 is installed on the top of the laser cutting machine body 1, a first positioning clamp 10 is welded on the outer wall of one side of the laser cutting head 2, and a first exhaust pipe 3 is arranged inside the first positioning clamp 10, a dust removal device 7 is arranged on one side of the laser cutting machine body 1, and a second exhaust pipe 6 is arranged on one side of the dust removal device 7, and the second exhaust pipe 6 is connected to the dust removal device 7, and a fan 8 is arranged on the other side of the dust removal device 7, and the input end of the fan 8 is connected to the dust removal device 7;

[0024] The air extraction head structure 9 is arranged at the bottom end of the first air extraction pipe 3. The air extraction head structure 9 includes a three-way pipe 901, a large-diameter air extraction head 902, and a small-diameter air extraction head 904. The three-way pipe 901 is installed at the bottom end of the first air extraction pipe 3, and the large-diameter air extraction head 902 and the small-diameter air extraction head 904 are respectively arranged on both sides of the bottom end of the three-way pipe 901;

[0025] The suction head structure 9 includes a three-way pipe 901, a large-diameter suction head 902, and a small-diameter suction head 904. The three-way pipe 901 is rotatably installed at the bottom end of the first suction pipe 3. The three-way pipe 901 and the first suction pipe 3 are rotatably connected through a connecting pipe. A sealing ring is provided in the connecting pipe to ensure the sealing between the three-way pipe 901 and the first suction pipe 3. At the same time, the three-way pipe 901 can be rotated horizontally. When the smoke generated by cutting is small, the small-diameter suction head 904 is aligned with the cutting position and the second valve 905 is opened. When the smoke is large, the three-way pipe 901 is rotated to align the large-diameter suction head 902 with the cutting position, and the second valve 905 is closed, and the first valve 903 is opened. The smoke is sucked out through the large-diameter suction head 902, and the smoke can be quickly sucked away, so that the suction head coverage area can be adjusted according to the size of the smoke, and the suction effect is good.

[0026] A support frame 4 is welded on the outer wall of the top of the laser cutting head 2, and a filtering structure 5 is provided at the bottom end of the support frame 4 for filtering particulate impurities in the smoke;

[0027] The filter structure 5 includes a filter box 501, an inner box 502, a filter screen 503, and an opening 504. The filter box 501 is fixed to the bottom end of the support frame 4, the inner box 502 is arranged inside the filter box 501, and the filter screen 503 is installed inside the inner box 502 to filter out particulate impurities in the smoke.

[0028] The filter structure 5 further includes an opening 504, a sealing door plate 505, and a handle 506. The openings 504 are arranged at both ends of the filter box 501, and the openings 504 are respectively connected to the first exhaust pipe 3 and the second exhaust pipe 6 for the introduction and export of smoke and dust;

[0029] The sealing door plate 505 is arranged on one side of the filter box 501, and the sealing door plate 505 is fixedly connected to the inner box 502, and the handle 506 is fixed on the outer wall of the sealing door plate 505, so as to facilitate sealing the filter box 501 and taking out the inner box 502 for cleaning;

[0030] The vacuum head structure 9 further includes a first valve 903 and a second valve 905. The first valve 903 is installed at the connection between the large-diameter vacuum head 902 and the three-way pipe 901, and is used to control the connection state of the large-diameter vacuum head 902.

[0031] The second valve 905 is installed at the connection between the small-diameter air extraction head 904 and the three-way pipe 901, and is used to control the connection state of the small-diameter air extraction head 904;

[0032] A second positioning clamp 11 is mounted on the outer wall of the first exhaust pipe 3 at the position of the first positioning clamp 10 , and the second positioning clamp 11 is connected to the first positioning clamp 10 via a screw 12 , so as to fix the first exhaust pipe 3 .

[0033] When the embodiment of the present application is in use: first, since the first exhaust pipe 3 is fixed in the first positioning clamp 10 by the second positioning clamp 11 and the screw 12, the first exhaust pipe 3 is installed on one side of the laser cutting head 2. When the laser cutting work is performed, the laser cutting head 2 drives the first exhaust pipe 3 to move synchronously, and the exhaust head structure 9 at the bottom end of the first exhaust pipe 3 is aligned with the cutting position, and the fan 8 is started to generate negative pressure suction in the second exhaust pipe 6 and the first exhaust pipe 3. The exhaust head structure 9 sucks away the smoke and dust, thereby facilitating the accurate cutting. The smoke and dust generated are extracted, wherein the exhaust head structure 9 includes a three-way pipe 901, a large-diameter exhaust head 902, and a small-diameter exhaust head 904. The three-way pipe 901 is rotatably installed at the bottom end of the first exhaust pipe 3. The three-way pipe 901 and the first exhaust pipe 3 are rotatably connected through a connecting pipe. A sealing ring is provided in the connecting pipe to ensure the sealing between the three-way pipe 901 and the first exhaust pipe 3. At the same time, the three-way pipe 901 can rotate horizontally. When the smoke and dust generated by cutting is small, the small-diameter exhaust head 904 is aimed at the cutting position and The second valve 905 is opened. When the smoke is large, the three-way pipe 901 is rotated so that the large-diameter suction head 902 is aligned with the cutting position, and the second valve 905 is closed. The first valve 903 is opened, and the smoke is sucked out through the large-diameter suction head 902. The smoke can be quickly sucked out, so that the suction head coverage area can be adjusted according to the size of the smoke, and the suction effect is good. Then, the first suction pipe 3 guides the smoke into the filter structure 5, and the smoke enters the inner box 502 inside the filter box 501 through the opening 504. The filter screen 50 3. Filter out the particulate impurities in the smoke to prevent the exhaust pipe from being blocked. The filtered smoke enters the dust removal device 7 through the second exhaust pipe 6. The dust removal device 7 purifies the smoke. The dust removal device 7 is an existing product, so it is not described in detail. The purified gas is discharged. After the cutting is completed, the sealing door panel 505 is pulled by the handle 506 to pull the inner box 502 out of the inside of the filter box 501, and the particulate impurities filtered out of the inner box 502 can be poured out and cleaned. After cleaning, the inner box 502 can be put back into the filter box 501.

[0034] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0035] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0036] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A precise smoke and dust extraction structure for a laser cutting machine, characterized in that: include: A laser cutting machine body (1), a laser cutting head (2) is installed on the top of the laser cutting machine body (1), a first positioning clamp (10) is welded on the outer wall of one side of the laser cutting head (2), and a first exhaust pipe (3) is arranged inside the first positioning clamp (10), a dust removal device (7) is arranged on one side of the laser cutting machine body (1), and a second exhaust pipe (6) is arranged on one side of the dust removal device (7), and the second exhaust pipe (6) is connected to the dust removal device (7), and a fan (8) is arranged on the other side of the dust removal device (7), and the input end of the fan (8) is connected to the dust removal device (7); An exhaust head structure (9), wherein the exhaust head structure (9) is arranged at the bottom end of the first exhaust pipe (3), and the exhaust head structure (9) comprises a three-way pipe (901), a large-diameter exhaust head (902), and a small-diameter exhaust head (904). The three-way pipe (901) is installed at the bottom end of the first exhaust pipe (3), and the large-diameter exhaust head (902) and the small-diameter exhaust head (904) are respectively arranged on both sides of the bottom end of the three-way pipe (901). The exhaust head structure (9) is used for sucking in smoke and dust.

2. The precise smoke and dust extraction structure of a laser cutting machine according to claim 1, characterized in that: A support frame (4) is welded on the outer wall of the top of the laser cutting head (2), and a filtering structure (5) is arranged at the bottom end of the support frame (4).

3. The precise smoke and dust extraction structure of a laser cutting machine according to claim 2, characterized in that: The filtering structure (5) comprises a filtering box (501), an inner box (502), a filter screen (503), and an opening (504); the filtering box (501) is fixed to the bottom end of the supporting frame (4); the inner box (502) is arranged inside the filtering box (501); and the filter screen (503) is installed inside the inner box (502).

4. The precise smoke and dust extraction structure of a laser cutting machine according to claim 2, characterized in that: The filtering structure (5) further comprises an opening (504), a sealing door plate (505), and a handle (506); the openings (504) are arranged at both ends of the filtering box (501), and the openings (504) are respectively connected to the first air extraction pipe (3) and the second air extraction pipe (6).

5. The precise smoke and dust extraction structure of a laser cutting machine according to claim 4, characterized in that: The sealing door plate (505) is arranged on one side of the filter box (501), and the sealing door plate (505) is fixedly connected to the inner box (502), and the handle (506) is fixed on the outer wall of the sealing door plate (505).

6. The precise smoke and dust extraction structure of a laser cutting machine according to claim 1, characterized in that: The vacuum head structure (9) further comprises a first valve (903) and a second valve (905), wherein the first valve (903) is installed at the connection between the large-diameter vacuum head (902) and the three-way pipe (901).

7. The precise smoke and dust extraction structure of a laser cutting machine according to claim 6, characterized in that: The second valve (905) is installed at the connection between the small-caliber air extraction head (904) and the three-way pipe (901).

8. The precise smoke and dust extraction structure of a laser cutting machine according to claim 1, characterized in that: A second positioning clamp (11) is sleeved on the outer wall of the first exhaust pipe (3) at the position of the first positioning clamp (10), and the second positioning clamp (11) is connected to the first positioning clamp (10) via a screw (12).

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