Water spraying and slag removing mechanism and method for laser pipe cutting machine

Abstract

The invention relates to the technical field of water spraying and slag removing, and provides a water spraying and slag removing mechanism and method.The water spraying and slag removing mechanism of the laser pipe cutting machine comprises a plurality of atomizing nozzles and further comprises a mounting support and a moving piece, the mounting support is arranged in the laser pipe cutting machine, and conveying water pipes are movably arranged on the two sides of the mounting support; the upper side and the lower side of the conveying water pipe are provided with a contraction and expansion moving pipe section and a longitudinal moving pipe section respectively, the upper side of the contraction and expansion moving pipe section is communicated with a plurality of atomizing nozzles, the contraction and expansion moving pipe section is provided with an arc-shaped material receiving groove body used for receiving residues, the number of the moving pieces is multiple, and contraction and expansion moving assemblies are arranged among the multiple moving pieces. By means of the technical scheme, the problem that in the using process of a water spraying and slag removing mechanism matched with a laser pipe cutting machine in the prior art, when pipes with different pipe diameters are subjected to laser cutting, the distance between atomized water flow and the pipes is different is solved.

Description

Technical Field

[0001] Embodiments of the present invention relate to the technical field of water spray slag removal, and specifically, to a water spray slag removal mechanism and method for a laser pipe cutting machine. Background Art

[0002] A laser pipe cutting machine is an existing technical device for cutting pipes to a fixed length in the prior art. A high-energy density laser beam is used to heat a corresponding area of the pipe, causing the surface of the pipe to melt and vaporize, and then the pipe is cut off. When the laser beam contacts the pipe, molten residues will appear on the surface of the pipe. During the cutting process, these residues will spatter. Therefore, in a laser pipe cutting machine, a slag removal mechanism is generally adopted to handle the spattered residues and prevent the residues from spattering randomly.

[0003] In the prior art, the methods for handling the residues generated during the operation of a laser pipe cutting machine include two methods: gas slag removal and water spray slag removal. During the use of the gas slag removal mechanism and the water spray slag removal mechanism, the gas slag removal mechanism will use air flow to blow the spattered residues to a corresponding material receiving position. When cutting some pipes with relatively serious residue generation during the cutting process, a water spray slag removal mechanism will be used to spray atomized water flow. After the residues come into contact with the atomized water flow, the atomized water flow will carry the residues down, and through the above method, the slag removal function during the laser pipe cutting process is realized. During the use of the water spray slag removal method, because the distance increases and the falling speed of the atomized water flow is relatively slow, it is necessary to make the distance between the output end of the atomized water flow and the cutting area of the pipe relatively close. When cutting pipes with different diameters, due to the difference in the pipe diameters, it is difficult to adjust the distance between the output end of the atomized water flow and the pipe, resulting in the problem that it is difficult to effectively remove the residues due to the inconvenient distance between the atomized water flow and the processed pipe. Summary of the Invention

[0004] To overcome the above defects, embodiments of the present invention provide a water spray slag removal mechanism and method for a laser pipe cutting machine, which are used to solve the technical problem that during the use of the water spray slag removal mechanism equipped on a laser pipe cutting machine in the related art, there are differences in the distance between the atomized water flow and the pipe when laser cutting pipes with different diameters.

[0005] A water spray slag removal mechanism for a laser pipe cutting machine provided by the present invention includes a plurality of atomizing nozzles, and further includes: An installation bracket is arranged inside the laser pipe cutting machine. On both sides of the installation bracket, a conveying water pipe is movably arranged. The upper and lower sides of the conveying water pipe are respectively set as an expanding and contracting moving pipe section and a longitudinal moving pipe section. A plurality of the atomizing nozzles are communicated and arranged on the upper side of the expanding and contracting moving pipe section. An arc-shaped material receiving trough for receiving residues is arranged on the expanding and contracting moving pipe section; Moving pieces, with a plurality of them provided. There is an expansion and contraction moving component arranged between the plurality of moving pieces. The plurality of moving pieces are respectively fixedly connected to corresponding positions of the two expansion and contraction moving pipe sections, and are used to expand the two expansion and contraction moving components to corresponding circumferential regions to adapt to pipes with different pipe diameters; An air flow slag blowing component, with the air flow slag blowing component provided on both sides of the top of the installation bracket, and is used to blow the residue after adsorbing moisture into the arc-shaped material receiving trough body; A tension connection mechanism, with the tension connection mechanism provided between the longitudinal moving pipe section and the bottom of the installation bracket, and is used to adapt to the longitudinal movement of the longitudinal moving pipe section within the installation bracket.

[0006] In order to limit the movement of the water delivery pipe, further, the installation bracket includes a U-shaped frame and an arc-shaped protective trough frame. The U-shaped frame is arranged inside the laser pipe cutting machine. A sliding trough frame is fixedly connected to the middle of the U-shaped frame. Sliding plates are slidably connected between both sides of the U-shaped frame and the sliding trough frame. The longitudinal moving pipe section is located within the U-shaped frame, and the bottom of the longitudinal moving pipe section penetrates through the sliding plate. Arc-shaped protective trough frames are fixedly connected to both sides of the top of the U-shaped frame. The expansion and contraction moving pipe section is located within the arc-shaped protective trough frame. A vertical section is provided at the top of the arc-shaped protective trough frame, and the top of the expansion and contraction moving pipe section is fixedly connected to the vertical section.

[0007] In order to drive the expansion and contraction of the expansion and contraction moving pipe section, further, the expansion and contraction moving component includes a circular frame and a moving seat. The circular frame is arranged inside the laser pipe cutting machine. An annular threaded disc is rotatably connected within the circular frame. A driving component is arranged between the annular threaded disc and the circular frame. The plurality of moving pieces are all slidably arranged within the circular frame through the moving seat, and the moving seat is threadedly connected to the annular threaded disc.

[0008] In order to keep the position of the arc-shaped material receiving trough body fixed, further, the top of the arc-shaped material receiving trough body is fixedly connected to the expansion and contraction moving pipe section. The outer arc surface of the arc-shaped material receiving trough body is set in a narrow groove shape, and an abutting groove adapted to the expansion and contraction moving pipe section is opened on the outer wall of the outer arc surface of the arc-shaped material receiving trough body.

[0009] In order to collect water flow and residue, further, the bottom of the arc-shaped material receiving trough body is communicated with a collecting bladder bag, and the bottom of the collecting bladder bag is communicated with a discharge valve pipe.

[0010] In order to wash the residue inside the arc-shaped material receiving trough, further, a water outlet valve pipe is communicated with the middle of the expanding and contracting moving pipe section. The water outlet valve pipe is located between the lowest atomizing nozzle and the arc-shaped material receiving trough. Among them, both sides of the inner wall of the arc-shaped material receiving trough are fixedly connected with wall cleaning water pipes. The wall cleaning water pipes are communicated with the water outlet valve pipe. A plurality of trapezoidal water discharge holes are equidistantly arranged on the side of the bottom of the wall cleaning water pipe facing the inner wall of the arc-shaped material receiving trough. After the water is discharged in a fan-shaped dispersion through the trapezoidal water discharge holes, the side wall of the arc-shaped material receiving trough is cleaned. Among them, the bottom of the water outlet valve pipe is communicated with a vertical water pipe, and the vertical water pipe penetrates through the arc-shaped material receiving trough. A wedge-shaped drainage port is arranged on the side of the bottom of the vertical water pipe facing the inner wall of the arc-shaped material receiving trough. After the water is discharged through the wedge-shaped drainage port, it flows along the inner wall of the arc-shaped material receiving trough and flushes the residue.

[0011] In order to blow downward after the atomized water contacts the residue, further, the air flow slag blowing assembly includes an air injection cylinder body and an air supply pipeline. The air injection cylinder bodies are fixedly connected to both of the vertical sections. The bottom end of the air injection cylinder body is communicated with a bent conveying pipeline. A plurality of blow pipes with the same size are communicated with the bottom of the bent conveying pipeline. The plurality of blow pipes are arranged in a stepped manner at the bottom of the bent conveying pipeline, which is used to accelerate the speed of the residue falling into the arc-shaped material receiving trough and prevent the atomized water from contacting the working end of the laser pipe cutting machine. The air supply pipeline is communicated between the tops of the two air injection cylinder bodies.

[0012] In order to adapt to the longitudinal movement of the longitudinal moving pipe section in the installation bracket, further, the tension connection mechanism includes a fixed water pipe and a spring damper. The fixed water pipes are communicated with both sides of the bottom of the U-shaped frame. A telescopic water pipe is communicated between the fixed water pipe and the bottom of the longitudinal moving pipe section. The spring damper is arranged between the sliding plate body and the inner bottom wall of the U-shaped frame.

[0013] In order to inject water into the two conveying water pipes synchronously, further, a synchronous water supply assembly is arranged between the two fixed water pipes.

[0014] A method for spraying water and removing slag of a laser pipe cutting machine includes the following steps: Step 1, adjusting the position: Before laser cutting the pipe, according to the diameter of the pipe, drive the annular threaded disc to rotate through the driving component, adjust the positions of the plurality of moving pieces, so that the position of the expanding and contracting moving pipe section changes accordingly, and adjust the distance between the atomizing nozzle and the pipe. Step 2, supplying water: Transport the water into the fixed water pipe through the synchronous water supply assembly, and the water then enters the conveying water pipe through the telescopic water pipe. Step 3, water spraying for slag removal: During the cutting operation, after the problem of slag sputtering occurs, water is sprayed through the atomizing nozzle so that the atomized water comes into full contact with the slag for slag removal operation; Step 4, air blowing for slag removal: Gas is injected into the two gas injection cylinders through the gas supply pipeline, so that the gas enters the curved conveying pipeline and finally is discharged through the plurality of blowing pipes. The airflow drives the atomized water and the slag to move together towards the direction of the arc-shaped material receiving trough; Step 5, discharging the slag: After the slag enters the arc-shaped material receiving trough, it will flow downward along the inner wall of the arc-shaped material receiving trough and then flow into the collection bag, and finally is discharged through the discharge valve pipe.

[0015] The beneficial effects of the embodiments of the present invention are as follows: 1. In the present invention, during actual use, when the laser pipe cutting machine cuts the pipe, the problem of slag sputtering will occur. In the application process of the present invention, first, when cutting pipes with different diameters, the positions of the plurality of moving pieces can be adjusted through the expansion and contraction moving assembly, and then the plurality of moving pieces start to adjust the expansion or contraction range of the expansion and contraction moving pipe section, adjust the distance between the atomizing nozzle and the pipe, so that during the spraying of the atomized water by the atomizing nozzle, it can better contact the sputtered slag. And as the expansion and contraction moving pipe section moves, while adjusting the positions of the plurality of atomizing nozzles, the position of the arc-shaped material receiving trough is also adjusted, so that the arc-shaped material receiving trough can fully move to the bottom of the pipe cutting position, realizing the effective and thorough removal of the slag generated during the cutting of pipes with different diameters, and preventing the slag from splashing to different positions inside the laser pipe cutting machine.

[0016] 2. In the present invention, during actual use, when the atomized water contacts the slag during spraying, because the moving speed of the atomized water is slow and the atomized water may also spread inside the laser pipe cutting machine. In order to limit the dispersion and discharge of the atomized water, the atomized water is blown towards the arc-shaped material receiving trough through the plurality of blowing pipes arranged in a stepped manner, so that the atomized water mixed with the slag can quickly fall into the arc-shaped material receiving trough, and the blowing pipe closest to the output end of the laser pipe cutting machine is also at the bottom of the plurality of blowing pipes. By blowing gas through this blowing pipe, it can be avoided that the atomized water contacts the working end of the laser pipe cutting machine.

[0017] 3. In the present invention, after water and residue enter the arc-shaped material receiving tank body, the residue adheres to the inner wall of the arc-shaped material receiving tank body. To improve the discharge effect of the residue, water is injected into the vertical water discharge pipe and two wall cleaning water pipes through the water outlet valve pipe. After the water is discharged through the wedge-shaped drainage opening, it flows along the inner wall of the arc-shaped material receiving tank body and flushes the residue. After the water is discharged in a fan-shaped dispersion through the trapezoidal water drainage hole, the side wall of the arc-shaped material receiving tank body is cleaned, realizing the cleaning operation of the inner wall of the arc-shaped material receiving tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments of the present invention. Obviously, the drawings in the following description are only some exemplary embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the content of the exemplary embodiments of the present invention and these drawings.

[0019] Figure 1 is a schematic structural diagram of the whole of the present invention; Figure 2 is a schematic structural diagram of a partial cross-section of the present invention; Figure 3 is a schematic structural diagram of the cooperation of the atomizing nozzle, mounting bracket, conveying water pipe, expanding and contracting moving pipe section, longitudinal moving pipe section and arc-shaped material receiving tank body in the present invention; Figure 4 For the present invention Figure 3 is a schematic structural diagram of a partial enlargement at A in the present invention; Figure 5 For the present invention Figure 3 is a schematic structural diagram of a partial enlargement at B in the present invention; Figure 6 is a schematic structural diagram of a partial cross-section of the cooperation of the mounting bracket, conveying water pipe, expanding and contracting moving pipe section, longitudinal moving pipe section and circular frame in the present invention; Figure 7 is a schematic structural diagram of a partial cross-section of the cooperation of the mounting bracket, atomizing nozzle, air injection cylinder body and air blowing pipe in the present invention; Figure 8 is a schematic structural diagram of a partial cross-section of the cooperation of the arc-shaped material receiving tank body, water outlet valve pipe, wall cleaning water pipe and vertical water discharge pipe in the present invention; Figure 9 is a schematic structural diagram of a partial cross-section of the cooperation of the arc-shaped material receiving tank body, water outlet valve pipe, wall cleaning water pipe and vertical water discharge pipe from another perspective in the present invention; Figure 10 For the present invention Figure 9 is a schematic structural diagram of a partial enlargement at C in the present invention.

[0020] In the figure: 1. Atomizing nozzle; 2. Mounting bracket; 3. Delivery water pipe; 4. Expanding and contracting moving pipe section; 5. Longitudinal moving pipe section; 6. Arc-shaped material receiving trough body; 7. Moving piece; 8. U-shaped frame; 9. Sliding trough frame; 10. Sliding plate body; 11. Arc-shaped protective trough frame; 12. Vertical section; 13. Circular frame; 14. Annular threaded disc; 15. Moving seat; 16. Abuttment groove; 17. Collection bladder; 18. Discharge valve pipe; 19. Water outlet valve pipe; 20. Wall cleaning water pipe; 21. Trapezoidal drain hole; 22. Vertical water outlet pipe; 23. Wedge-shaped drain port; 24. Air injection cylinder body; 25. Bending delivery pipeline; 26. Blowing pipe; 27. Gas supply pipeline; 28. Fixed water pipe; 29. Telescopic water pipe; 30. Spring damper; 31. Processing chamber; 32. Power distribution chamber; 33. Pipe feeding mechanism; 34. Pipe jacking mechanism; 35. Working end of laser pipe cutting machine; 36. Bevel gear one; 37. Bevel gear two; 38. Rotating shaft; 39. Driving motor; 40. Water supply pipeline; 41. Delivery water pump. Detailed implementation mode The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention.

[0021] To make the drawings concise, only the parts related to the disclosure are schematically shown in each drawing, and they do not represent their actual structures as products. In addition, to make the drawings concise and easy to understand, in some drawings, components with the same structure or function are only schematically shown for one of them, or only one of them is marked. In this article, "one" not only means "only this one", but also means "more than one" situation, and "several" includes "two" and "more than two".

[0022] In this article, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0023] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes the first feature being directly under and obliquely under the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.

[0024] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left" and "right" are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operations, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0025] In addition, in the description of this application, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be construed as indicating or implying relative importance.

[0026] Embodiment 1, as Figures 1 to 2 shown, the present invention discloses a water spraying and slag removing mechanism for a laser pipe cutting machine, which is applied to the laser pipe cutting machine in the prior art. The laser pipe cutting machine in the prior art includes a processing chamber 31 and a power distribution chamber 32. A pipe feeding mechanism 33 is arranged on one side of the processing chamber 31, and a pipe jacking mechanism 34 is arranged on the other side of the processing chamber 31. Both the pipe feeding mechanism 33 and the pipe jacking mechanism 34 are common auxiliary devices on the laser pipe cutting machine in the prior art, and are used for conveying and fixing the pipes to be cut. And a working end 35 of the laser pipe cutting machine is arranged in the processing chamber 31. The processing chamber 31, the power distribution chamber 32, the pipe feeding mechanism 33, the pipe jacking mechanism 34 and the working end 35 of the laser pipe cutting machine described above are all auxiliary devices in the prior art on the laser pipe cutting machine in the prior art, and are well-known prior art to those skilled in the art.

[0027] As Figures 1 to 7As shown in the figure, it includes a plurality of atomizing nozzles 1, and also includes a mounting bracket 2. The mounting bracket 2 is arranged between the processing chamber 31 and the power distribution chamber 32 inside the laser pipe cutting machine. Conveyor water pipes 3 are movably arranged on both sides of the mounting bracket 2. The upper and lower sides of the conveyor water pipe 3 are respectively set as an expanding and contracting moving pipe section 4 and a longitudinal moving pipe section 5. A plurality of atomizing nozzles 1 are connected and arranged on the upper side of the expanding and contracting moving pipe section 4. An arc-shaped material receiving trough 6 for receiving residues is arranged on the expanding and contracting moving pipe section 4. When it is necessary to adjust the distance between the plurality of atomizing nozzles 1 and the pipe cutting position, the expanding and contracting moving pipe section 4 can move within the range of the arc-shaped protective trough frame 11 to adjust the expanding or contracting area of the expanding and contracting moving pipe section 4. When the expanding and contracting moving pipe section 4 expands or contracts, the position between the plurality of atomizing nozzles 1 and the pipe is also adjusted. During the movement of the expanding and contracting moving pipe section 4, the arc-shaped material receiving trough 6 also adaptively adjusts the corresponding position so that the position of the arc-shaped material receiving trough 6 is always located between the bottoms of the plurality of atomizing nozzles 1 and the plurality of air blowing pipes 26, effectively collecting water and residues.

[0028] As Figures 1 to 7 shown, the mounting bracket 2 includes a U-shaped frame 8 and an arc-shaped protective trough frame 11. The U-shaped frame 8 is arranged between the processing chamber 31 and the power distribution chamber 32 inside the laser pipe cutting machine. A sliding trough frame 9 is fixedly connected to the middle of the U-shaped frame 8. A sliding plate body 10 is slidably connected between both sides of the U-shaped frame 8 and the sliding trough frame 9. The longitudinal moving pipe section 5 is located inside the U-shaped frame 8, and the bottom of the longitudinal moving pipe section 5 penetrates through the sliding plate body 10. Arc-shaped protective trough frames 11 are fixedly connected to both sides of the top of the U-shaped frame 8. The expanding and contracting moving pipe section 4 is located inside the arc-shaped protective trough frame 11. A vertical section 12 is arranged at the top of the arc-shaped protective trough frame 11. The top of the expanding and contracting moving pipe section 4 is fixedly connected to the vertical section 12. During the movement of the expanding and contracting moving pipe section 4, the longitudinal moving pipe section 5 longitudinally moves inside the U-shaped frame 8, enabling the expanding and contracting moving pipe section 4 to expand better. During the expansion of the expanding and contracting moving pipe section 4, the expanding and contracting moving pipe section 4 always moves within the inner wall range of the arc-shaped protective trough frame 11, providing full protection for the expanding and contracting moving pipe section 4 during use and avoiding the problem of collision between the pipe and the expanding and contracting moving pipe section 4.

[0029] As Figures 1 to 3 and Figure 6As shown in the figure, the number of moving pieces 7 is set to be multiple. A contraction and expansion moving component is arranged between the multiple moving pieces 7. The multiple moving pieces 7 are respectively fixedly connected to corresponding positions of two contraction and expansion moving pipe sections 4, and are used to expand the two contraction and expansion moving components to corresponding circumferential regions to adapt to pipes with different pipe diameters. The contraction and expansion moving component includes a circular frame 13 and a moving seat 15. The circular frame 13 is arranged inside the laser pipe cutting machine. An annular threaded disk 14 is rotatably connected inside the circular frame 13. A driving component is arranged between the annular threaded disk 14 and the circular frame 13. The multiple moving pieces 7 are all slidably arranged inside the circular frame 13 through the moving seat 15. The moving seat 15 is threadedly connected to the annular threaded disk 14. A sliding rod is arranged on the moving seat 15, and the sliding rod penetrates and is slidably connected to the circular frame 13. The driving component includes a first bevel gear 36, a second bevel gear 37, a rotating shaft 38 and a driving motor 39. A first bevel gear 36 is arranged on the side of the annular threaded disk 14 opposite to the moving seat 15. A second bevel gear 37 is meshed with the first bevel gear 36. The rotating shaft 38 is rotatably connected through the top of the circular frame 13. The second bevel gear 37 is fixedly connected to the rotating shaft 38. A driving motor 39 is arranged on the circular frame 13, and the output end of the driving motor 39 is fixedly connected to the rotating shaft 38. When it is necessary to move the multiple moving pieces 7 away from or close to each other, the driving motor 39 is started to drive the rotating shaft 38 to rotate. Through the meshing relationship between the first bevel gear 36 and the second bevel gear 37, the annular threaded disk 14 is driven to rotate. Then, the moving seat 15 and the moving piece 7 that are threadedly connected to the annular threaded disk 14 start to move, and the moving piece 7 is used to drive the contraction and expansion moving pipe section 4 to move, so as to adjust the positions of the atomizing nozzle 1 and the arc-shaped material receiving trough 6.

[0030] As Figures 1 to 10 shown in the figure, the top of the arc-shaped material receiving trough 6 is fixedly connected to the contraction and expansion moving pipe section 4. The outer arc surface of the arc-shaped material receiving trough 6 is set to be a narrow groove shape. An abutting groove 16 adapted to the contraction and expansion moving pipe section 4 is opened on the outer wall of the outer arc surface of the arc-shaped material receiving trough 6. The arc angle of the arc-shaped material receiving trough 6 is the same as the arc angle of the arc-shaped protective trough frame 11. Because only the top of the arc-shaped material receiving trough 6 is connected to the middle area of the contraction and expansion moving pipe section 4, therefore, when the contraction and expansion moving pipe section 4 contracts or expands, the abutting groove 16 opened on the outer arc surface of the arc-shaped material receiving trough 6 will come into contact with different positions of the contraction and expansion moving pipe section 4, which is convenient for adjusting the position of the arc-shaped material receiving trough 6. By setting the outer arc surface of the arc-shaped material receiving trough 6 to be a narrow groove shape, the side of the arc-shaped material receiving trough 6 close to the outer arc surface is relatively narrow, which is convenient for collecting and centrally discharging the collected water and residues; At the bottom of the arc-shaped material receiving trough body 6, a collection bladder 17 is connected. At the bottom of the collection bladder 17, a discharge valve pipe 18 is connected. As enough water and residues are collected, after the water and residues are mixed, they flow together towards the bottom of the arc-shaped material receiving trough body 6. Eventually, the water and residues will enter the collection bladder 17. An external pipeline can be used to connect with the discharge valve pipe 18, and the control valve on the discharge valve pipe 18 is opened to centrally discharge the water and residues. In the present invention, control valves for controlling the closure of the pipeline are provided on both the discharge valve pipe 18 and the water outlet valve pipe 19 used.

[0031] As Figures 1 to 10 shown, a water outlet valve pipe 19 is connected to the middle of the expansion and contraction moving pipe section 4. The water outlet valve pipe 19 is located between the lowest atomizing nozzle 1 and the arc-shaped material receiving trough body 6. Among them, on both sides of the inner wall of the arc-shaped material receiving trough body 6, a wall cleaning water pipe 20 is fixedly connected. The wall cleaning water pipe 20 is connected to the water outlet valve pipe 19. At equal intervals on the side of the bottom of the wall cleaning water pipe 20 facing the inner wall of the arc-shaped material receiving trough body 6, a plurality of trapezoidal water discharge holes 21 are opened. After the water is discharged in a fan-shaped dispersion through the trapezoidal water discharge holes 21, the side wall of the arc-shaped material receiving trough body 6 is cleaned. Among them, the bottom of the water outlet valve pipe 19 is connected to a vertical water pipe 22, and the vertical water pipe 22 penetrates through the arc-shaped material receiving trough body 6. On the side of the bottom of the vertical water pipe 22 facing the inner wall of the arc-shaped material receiving trough body 6, a wedge-shaped water drainage opening 23 is opened. After the water is discharged through the wedge-shaped water drainage opening 23, it flows along the inner wall of the arc-shaped material receiving trough body 6 and flushes the residues. Because residues generally have the characteristic of adhesiveness, therefore, the problem of residue adhesion often appears on the inner side wall of the arc-shaped material receiving trough body 6. At this time, by opening the control valve on the water outlet valve pipe 19, the water in the conveying water pipe 3 is filled into the vertical water pipe 22 and the two wall cleaning water pipes 20. Because the inner arc surface of the arc-shaped material receiving trough body 6 is in an open state, therefore, the problem of water splashing from inside the arc-shaped material receiving trough body 6 also needs to be prevented. During the use of the present invention, during the flow of water in the wall cleaning water pipe 20, the water will be discharged through a plurality of trapezoidal water discharge holes 21. When the water is discharged between the trapezoidal water discharge holes 21, it is discharged in a fan-shaped distribution and contacts the inner side wall of the arc-shaped material receiving trough body 6. By designing the shape of the trapezoidal water discharge holes 21, the water flow discharge area is increased. On the premise of ensuring the normal flow of water from the wall cleaning water pipe 20, the water can wash the inner side wall of the arc-shaped material receiving trough body 6 as much as possible without dead angles; And the water discharged through the vertical water pipe 22 will directly contact the inner wall on one side of the outer arc surface of the arc-shaped material receiving trough body 6 under the action of the wedge-shaped water drainage opening 23, and make the water flow downward along the arc-shaped inner wall, so that the water converges with the water discharged from the wall cleaning water pipe 20 and then flows together towards the direction of the collection bladder 17, completing the flushing and discharging operation of the residues on the inner wall of the arc-shaped material receiving trough body 6.

[0032] As Figures 1 to 3 、 Figure 6 And Figure 7As shown in the figure, air flow slag blowing components are arranged on both sides of the top of the installation bracket 2, which are used to blow the residue after adsorbing moisture into the arc-shaped material receiving trough 6. The air flow slag blowing components include an air injection cylinder body 24 and an air supply pipeline 27. The air injection cylinder body 24 is fixedly connected to both vertical sections 12. The bottom end of the air injection cylinder body 24 is communicated with a bent conveying pipeline 25. The bottom of the bent conveying pipeline 25 is communicated with a plurality of blowing pipes 26 of the same size. The plurality of blowing pipes 26 are arranged in a stepped manner at the bottom of the bent conveying pipeline 25, which is used to accelerate the speed of the residue falling into the arc-shaped material receiving trough 6 and prevent the atomized water from contacting the working end 35 of the laser pipe cutting machine. An air supply pipeline 27 is communicated between the tops of the two air injection cylinder bodies 24. During the process of cutting the pipe by the working end 35 of the laser pipe cutting machine, there will be a problem of residue sputtering. The residue usually sputters divergently from the cutting contact point of the laser beam and the pipe. And the process of spraying the atomized water by the atomizing nozzle 1 is also to spray the atomized water towards the sputtering area of the residue. Therefore, the sputtered residue and the atomized water can be fully contacted. After the residue and the atomized water are contacted, in order to make the residue and the atomized water enter the arc-shaped material receiving trough 6 in time, gas is injected into the two air injection cylinder bodies 24 through the air supply pipeline 27, so that the gas enters the bent conveying pipeline 25 and finally is discharged through the plurality of blowing pipes 26. The air flow drives the atomized water and the residue to move towards the arc-shaped material receiving trough 6 together, so that the atomized water and the residue smoothly enter the arc-shaped material receiving trough 6. And in the actual use process, there is still a problem that the atomized water and the residue spread randomly. In order to prevent the atomized water and the residue from affecting the working end 35 of the laser pipe cutting machine, using the blowing pipes 26 to spray air flow can also limit the moving area of the atomized water and the residue. The plurality of blowing pipes 26 are arranged in a stepped manner, which is adapted to the sputtering area of the residue during the cutting process to ensure effective downward blowing of the residue.

[0033] As Figure 2 , Figure 3 , Figure 6 and Figure 7As shown in the figure, a tension connection mechanism is provided at the bottom of the longitudinally movable pipe section 5 and the mounting bracket 2 to adapt to the longitudinal movement of the longitudinally movable pipe section 5 within the mounting bracket 2. The tension connection mechanism includes a fixed water pipe 28 and a spring damper 30. Fixed water pipes 28 are connected to both sides of the bottom of the U-shaped frame 8. A telescopic water pipe 29 is connected between the fixed water pipe 28 and the bottom of the longitudinally movable pipe section 5. A spring damper 30 is provided between the sliding plate body 10 and the inner bottom wall of the U-shaped frame 8. During the movement of the expansion and contraction movable pipe section driven by the moving piece 7, the longitudinally movable pipe section 5 will make an adaptive longitudinal movement within the U-shaped frame 8. In order to keep the entire water delivery pipe 3 sufficiently tensioned during the movement, when the longitudinally movable pipe section 5 and the sliding plate body 10 move together, the spring damper 30 will make an adaptive expansion and contraction to adapt to different positions of the longitudinally movable pipe section 5. During the movement of the longitudinally movable pipe section 5, the telescopic water pipe 29 will also expand and contract to keep the fixed water pipe 28 and the longitudinally movable pipe section 5 connected; A synchronous water supply assembly is provided between the two fixed water pipes 28. The synchronous water supply assembly includes a water supply pipeline 40. A water supply pipeline 40 is connected between the two fixed water pipes 28. A water delivery pump 41 is provided in the power distribution chamber 32 of the laser pipe cutting machine. The input end of the water delivery pump 41 is connected to an external water source, and the output end of the water delivery pump 41 is connected to the water supply pipeline 40. Start the water delivery pump 41 to deliver water to the water supply pipeline 40. The water then passes through the water supply pipeline 40, successively through the fixed water pipe 28, the telescopic water pipe 29 and the water delivery pipe 3, and discharges the water through the atomizing nozzle 1 or the water outlet valve pipe 19.

[0034] The working principle of the water spraying and slag removing mechanism of this laser pipe cutting machine: Before the laser pipe cutting machine cuts the pipe at its working end 35, first, according to the diameter of the pipe, start the drive motor 39 to drive the rotating shaft 38 to rotate. Through the meshing relationship of the first bevel gear 36 and the second bevel gear 37, drive the annular threaded disc 14 to rotate. Then, the moving seat 15 and the moving piece 7 that are threadedly connected to the annular threaded disc 14 start to move. Use the moving piece 7 to drive the expansion and contraction movable pipe section 4 to move, and adjust the positions of the atomizing nozzle 1 and the arc-shaped material receiving trough 6. During the movement of the expansion and contraction movable pipe section 4, the longitudinally movable pipe section 5 and the sliding plate body 10 move longitudinally together between the U-shaped frame 8 and the sliding groove frame 9 to adjust the position of the entire water delivery pipe 3. Then, the working end 35 of the laser pipe cutting machine cuts the pipe; During the cutting operation, after the problem of residue sputtering occurs, the conveying water pump 41 is started to convey water source into the water supply pipeline 40. The water then passes through the water supply pipeline 40, successively through the fixed water pipe 28, the telescopic water pipe 29 and the conveying water pipe 3, and is sprayed out through the atomizing nozzle 1, so that the atomized water makes full contact with the residue, reducing the phenomenon of random residue sputtering. And gas is injected into the two gas injection cylinders 24 through the gas supply pipeline 27, so that the gas enters the curved conveying pipeline 25 and is finally discharged through a plurality of air blowing pipes 26. The air flow drives the atomized water and the residue to move together towards the direction of the arc-shaped material receiving trough 6; After the residue enters the arc-shaped material receiving trough 6, it will flow downward along the inner wall of the arc-shaped material receiving trough 6 and then flow into the collection bladder 17, and is finally discharged through the discharge valve pipe 18. When there is a problem of residue retention in the arc-shaped material receiving trough 6, water in the conveying water pipe 3 is injected into the vertical water discharge pipe 22 and the two wall cleaning water pipes 20 through the water discharge valve pipe 19. The water will be discharged through a plurality of trapezoidal water discharge holes 21. When the water is discharged between the trapezoidal water discharge holes 21, it contacts the inner side wall of the arc-shaped material receiving trough 6, flushing the inner side wall of the arc-shaped material receiving trough 6. The water discharged through the vertical water discharge pipe 22 will directly contact the inner wall on the outer arc surface side of the arc-shaped material receiving trough 6 under the action of the wedge-shaped water discharge port 23. The water flows downward along the arc-shaped inner wall, so that the water converges with the water discharged from the wall cleaning water pipe 20 and flows together towards the direction of the collection bladder 17, completing the flushing and discharging operation of the residue on the inner wall of the arc-shaped material receiving trough 6.

[0035] Embodiment 2. Based on a water spraying and slag removing mechanism of a laser pipe cutting machine, the present invention also proposes a water spraying and slag removing method for a laser pipe cutting machine, which specifically includes the following steps: Step 1, Adjusting the position: Before laser cutting the pipe, according to the pipe diameter of the pipe, drive the annular threaded disc 14 to rotate through the driving component, adjust the positions of the plurality of moving pieces 7, so that the position of the expanding and contracting moving pipe section 4 changes accordingly, and adjust the distance between the atomizing nozzle 1 and the pipe; Step 2, Water supply: Convey water into the fixed water pipe 28 through the synchronous water supply component, and the water then enters the conveying water pipe 3 through the telescopic water pipe 29; Step 3, Water spraying and slag removing: During the cutting operation, after the problem of residue sputtering occurs, spray the water through the atomizing nozzle 1, so that the atomized water makes full contact with the residue for slag removing operation; Step 4, Air flow slag blowing: Inject gas into the two gas injection cylinders 24 through the gas supply pipeline 27, so that the gas enters the curved conveying pipeline 25 and is finally discharged through a plurality of air blowing pipes 26. The air flow drives the atomized water and the residue to move together towards the direction of the arc-shaped material receiving trough 6; Step Five, discharging residues: After the residues enter the arc-shaped material receiving trough 6, they will flow downward along the inner wall of the arc-shaped material receiving trough 6 and then flow into the collection pocket 17, and finally be discharged through the discharge valve pipe 18.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A water spraying and slag removal mechanism for a laser tube cutting machine, comprising a plurality of atomizing nozzles (1), characterized in that: Also includes: A mounting bracket (2) is arranged inside the laser tube cutting machine, and a water delivery pipe (3) is movably arranged on both sides of the mounting bracket (2), and the upper and lower sides of the water delivery pipe (3) are respectively provided with a contraction-expansion movable pipe section (4) and a longitudinally movable pipe section (5), and the upper side of the contraction-expansion movable pipe section (4) is connected to a plurality of the atomizing nozzles (1), and an arc-shaped material receiving trough (6) for receiving residues is arranged on the contraction-expansion movable pipe section (4); The movable sheets (7) are provided in a plurality, and a contraction-expansion movable assembly is provided between the plurality of movable sheets (7). The plurality of movable sheets (7) are respectively fixedly connected to corresponding positions of the two contraction-expansion movable pipe sections (4) to expand the two contraction-expansion movable assemblies to corresponding circumferential areas to accommodate pipes of different diameters. An airflow slag blowing assembly, the airflow slag blowing assembly being arranged on both sides of the top of the mounting bracket (2) and used for blowing the residue after moisture absorption into the arc-shaped material receiving trough body (6); A tension connection mechanism is provided between the longitudinally movable pipe section (5) and the bottom of the mounting bracket (2), and is used to accommodate the longitudinal movement of the longitudinally movable pipe section (5) within the mounting bracket (2).

2. The water spraying and slag removal mechanism of a laser tube cutting machine according to claim 1 is characterized in that: The mounting bracket (2) comprises: A U-shaped frame (8), the U-shaped frame (8) being arranged inside the laser tube cutting machine, a sliding groove frame (9) being fixedly connected to the middle of the U-shaped frame (8), a sliding plate body (10) being slidably connected to the sliding groove frame (9) on both sides of the U-shaped frame (8), the longitudinal movable pipe section (5) being located inside the U-shaped frame (8), and the bottom of the longitudinal movable pipe section (5) passing through the sliding plate body (10); An arc-shaped protective slot frame (11), both sides of the top of the U-shaped frame (8) are fixedly connected to the arc-shaped protective slot frame (11), the retractable and expandable movable pipe section (4) is located in the arc-shaped protective slot frame (11), a vertical section (12) is arranged on the top of the arc-shaped protective slot frame (11), and the top of the retractable and expandable movable pipe section (4) is fixedly connected to the vertical section (12).

3. The water spraying and slag removal mechanism of a laser tube cutting machine according to claim 2 is characterized in that: The receiving and expanding mobile component comprises: A circular frame (13), the circular frame (13) being arranged in a laser tube cutting machine, an annular threaded disc (14) being rotatably connected in the circular frame (13), and a driving assembly being arranged between the annular threaded disc (14) and the circular frame (13); A moving seat (15), wherein the plurality of moving plates (7) are slidably arranged in the circular frame (13) via the moving seat (15), and the moving seat (15) is threadedly connected to the annular threaded disk (14).

4. The water spraying and slag removal mechanism of a laser tube cutting machine according to claim 3 is characterized in that: The top of the arc-shaped material receiving trough body (6) is fixedly connected to the expanding and contracting movable pipe section (4), the outer arc surface of the arc-shaped material receiving trough body (6) is configured as a narrow groove, and an abutment groove (16) adapted to the expanding and contracting movable pipe section (4) is provided on the outer wall of the outer arc surface of the arc-shaped material receiving trough body (6).

5. The water spraying and slag removal mechanism of a laser tube cutting machine according to claim 4 is characterized in that: The bottom of the arc-shaped material receiving trough body (6) is connected to a collecting bag (17), and the bottom of the collecting bag (17) is connected to a discharge valve pipe (18).

6. The water spraying and slag removal mechanism of a laser tube cutting machine according to claim 5, characterized in that: The middle of the retractable and expandable movable pipe section (4) is connected to a water outlet valve pipe (19), and the water outlet valve pipe (19) is located between the atomizing nozzle (1) at the bottom and the arc-shaped material receiving trough body (6); Wherein, both sides of the inner wall of the arc-shaped material receiving trough body (6) are fixedly connected with wall-cleaning water pipes (20), the wall-cleaning water pipes (20) are in communication with the water outlet valve pipe (19), and a plurality of trapezoidal drainage holes (21) are equidistantly provided at the bottom of the wall-cleaning water pipe (20) on one side of the inner wall of the arc-shaped material receiving trough body (6), and water is discharged in a fan-shaped manner through the trapezoidal drainage holes (21) to clean the side walls of the arc-shaped material receiving trough body (6); The bottom of the water outlet valve pipe (19) is connected to a vertical water outlet pipe (22), and the vertical water outlet pipe (22) passes through the arc-shaped material receiving trough body (6). A wedge-shaped drainage port (23) is provided at the bottom of the vertical water outlet pipe (22) on one side facing the inner wall of the arc-shaped material receiving trough body (6). After water is discharged through the wedge-shaped drainage port (23), it flows along the inner wall of the arc-shaped material receiving trough body (6) and washes away the residue.

7. The water spraying and slag removal mechanism of a laser tube cutting machine according to claim 6, characterized in that: The air flow slag blowing component comprises: An air injection cylinder (24), the two vertical sections (12) are both fixedly connected with the air injection cylinder (24), the bottom end of the air injection cylinder (24) is connected with a curved conveying pipeline (25), the bottom of the curved conveying pipeline (25) is connected with a plurality of air blowing pipes (26) of the same size, the plurality of air blowing pipes (26) are arranged in a stepped manner at the bottom of the curved conveying pipeline (25), and are used to accelerate the speed at which the residue falls into the arc-shaped material receiving trough (6), and to prevent the atomized water from contacting the working end of the laser tube cutting machine; An air supply pipeline (27) is connected between the tops of the two air injection cylinders (24).

8. The water spraying and slag removal mechanism of a laser tube cutting machine according to claim 7, characterized in that: The tension communication mechanism comprises: A fixed water pipe (28), wherein both sides of the bottom of the U-shaped frame (8) are connected to the fixed water pipe (28), and a telescopic water pipe (29) is connected between the fixed water pipe (28) and the bottom of the longitudinal movable pipe section (5); A spring damper (30) is provided between the sliding plate body (10) and the inner bottom wall of the U-shaped frame (8).

9. The water spraying and slag removal mechanism of a laser tube cutting machine according to claim 8, characterized in that: A synchronous water supply component is provided between the two fixed water pipes (28).

10. A water spraying slag removal method for a laser tube cutting machine, using the water spraying slag removal mechanism for a laser tube cutting machine according to claim 9, characterized in that: The following steps are involved: Step 1: adjusting the position: before laser cutting the pipe, according to the pipe diameter, the driving assembly drives the annular threaded disk (14) to rotate, and adjusts the position of the plurality of movable plates (7), so that the position of the contraction and expansion movable pipe section (4) changes accordingly, and adjusts the distance between the atomizing nozzle (1) and the pipe; Step 2: water supply: water is transported to the fixed water pipe (28) through the synchronous water supply component, and the water then enters the transport water pipe (3) through the telescopic water pipe (29); Step 3: Spraying water to remove slag: During the cutting process, when slag splashing occurs, water is sprayed through the atomizing nozzle (1) so that the atomized water is in full contact with the slag to perform the slag removal operation; Step 4, air flow slag blowing: gas is injected into the two gas injection cylinders (24) through the gas supply pipeline (27), the gas enters the curved conveying pipeline (25), and is finally discharged through the plurality of air blowing pipes (26), and the air flow drives the atomized water and the residue to move toward the direction of the arc-shaped material receiving trough (6); Step 5, discharge of residue: After the residue enters the arc-shaped material receiving trough body (6), it flows downward along the inner wall of the arc-shaped material receiving trough body (6), then flows into the collection bag (17), and finally is discharged through the discharge valve pipe (18).

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