Electric vehicle frame pipe fitting laser cutting production device and control method thereof

Abstract

The invention relates to the technical field of electric vehicle frame machining, in particular to an electric vehicle frame pipe fitting laser cutting production device and a control method thereof.The electric vehicle frame pipe fitting laser cutting production device comprises a machining table internally provided with a laser cutting frame and further comprises a box fixed into the machining table through a supporting plate; the rotating cylinder is rotationally mounted at the top of the box body and is driven by a rotating driving assembly, and a notch is formed in the rotating cylinder; the cleaning assembly is installed on the side edge of the supporting plate and used for conducting crushed material cleaning on the surface of the pipe fitting subjected to laser machining and reducing crushed materials entering the notch through isolation; according to the device, through the arrangement of the cleaning assembly, chippings on the outer surface of the cutting end of the pipe fitting are cleaned, the laser cutting position and the notch position of the pipe fitting are isolated from each other, and therefore the situation of laser cutting deviation caused by unstable clamping of the pipe fitting is advantageously avoided.

Description

Technical Field

[0001] The present invention relates to the field of electric vehicle frame processing, and in particular to an electric vehicle frame pipe laser cutting production device and a control method thereof. Background Art

[0002] Laser cutting of electric vehicle frames is an efficient manufacturing process widely used in the electric vehicle manufacturing industry. This technology uses a high-energy-density laser beam to cut metal pipes.

[0003] In the process of cutting the frame tubes of electric vehicles, the frame tubes need to be clamped and positioned before laser cutting. During the cutting process, debris will be generated in the cut part of the tube. If the debris falls on the clamping position of the tube, it will cause the clamping of the tube to be offset, thereby causing deviation in the laser cutting of the tube, thereby affecting the processing efficiency of the tube. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a laser cutting production device for electric vehicle frame pipes and a control method thereof.

[0005] In a first aspect, the present invention provides a laser cutting production device for an electric vehicle frame tube, comprising a processing table, a laser cutting frame installed inside the processing table, and further comprising:

[0006] The box body is fixed to the interior of the processing table through a support plate;

[0007] A rotating cylinder is rotatably mounted on the top of the box body and driven by a rotating drive assembly, wherein a notch is provided inside the rotating cylinder;

[0008] A clamping and feeding assembly is installed inside the recess and is used to clamp the pipe entering the recess and transport it after clamping;

[0009] A conveying assembly is installed on the rotating drum and is used to load and unload pipes into the recess;

[0010] A cleaning assembly, mounted on a side of the support plate, for cleaning debris from the surface of the tube after laser processing and for reducing the entry of debris into the recess by isolating the debris;

[0011] The pipe is conveyed to the position of the notch by the conveying assembly, and the pipe is conveyed to the top of the notch and then enters the inside of the notch along the notch. After the pipe enters the inside of the notch, the clamping and feeding assembly is started so that the clamping and feeding assembly clamps the pipe, and after completing the clamping of the pipe, the pipe is driven to feed in the direction of the laser cutting frame by the clamping and feeding assembly so that the end of the pipe extends into the position of the laser cutting frame, so that the laser cutting frame is started to cut the pipe, thereby realizing the cutting of one end of the pipe. After the cutting of one end of the pipe is completed, the cleaning assembly is started so that during the process of the pipe being reset to the inside of the notch, the cleaning assembly cleans the debris on the outer surface of the cut end of the pipe, and through the setting of the cleaning assembly, the laser cutting position of the pipe is isolated from the notch position, so that the debris generated during the pipe cutting process will not splash to the notch position, thereby preventing the debris from adhering to the notch, causing unstable clamping of the pipe, thereby preventing the occurrence of laser cutting deviation due to unstable clamping of the pipe.

[0012] After the laser cutting of one end of the pipe is completed, the clamping and feeding assembly is started to transport the pipe to the inside of the recess and reset it. Then the driving assembly is rotated to drive the rotating cylinder to rotate to reverse the two ends of the pipe. Then the clamping and feeding assembly is started again to transport the other end of the pipe into the position of the laser cutting frame, so that the laser cutting frame cuts the other end of the pipe after it is started, thereby realizing cutting of both ends of the pipe. In addition, through the setting of the conveying assembly, the pipe does not need to be manually loaded, which is beneficial to improving the efficiency of laser cutting of the pipe.

[0013] Preferably, the conveying assembly comprises:

[0014] A frame body, fixed on the inner wall of the processing table;

[0015] A feeding conveyor belt is installed on one side of the interior of the frame through a first transmission drive assembly;

[0016] A discharge conveyor belt is installed on the other side of the frame through a second transmission drive assembly, and the feed conveyor belt and the discharge conveyor belt are respectively located on both sides of the recess;

[0017] A guide frame is fixed on the inner wall of the processing table, and the guide frame is connected to the unloading conveyor belt;

[0018] A lifting drive assembly is installed inside the recess to drive the pipe to move up and down;

[0019] After the first transmission drive component is started, it drives the feeding conveyor belt to transmit. After the feeding conveyor belt is transmitted, the pipe fittings are transported to the recess position. The feeding speed of the pipe fittings is controlled by controlling the transmission frequency of the feeding conveyor belt. After the second transmission drive component is started, it drives the unloading conveyor belt to transmit. After the unloading conveyor belt is transmitted, the cut pipe fittings are transported and unloaded. The unloaded pipe fittings slide and are collected by the guide rack, thereby realizing automatic loading and unloading of the pipe fittings. The lifting drive component can transport the pipe fittings that reach the recess position. When the lifting drive component transports the pipe fittings to the lowest position of the recess, the clamping feed component can clamp the pipe fittings. When the lifting drive component transports the pipe fittings to the highest position of the recess, the pipe fittings can be pushed by the pipe fittings on the feeding conveyor belt into the unloading conveyor belt for replacement.

[0020] Preferably, the lifting drive assembly includes:

[0021] A lifting platform is vertically slidably installed inside the recess;

[0022] A first cylinder is fixed inside the box, and an end of a telescopic rod of the first cylinder is rotatably connected to the bottom center of the lifting platform;

[0023] After the first cylinder is started, it pushes the lifting platform to move vertically through the telescopic rod. The end of the telescopic rod of the first cylinder is connected to the rotation of the lifting platform, so that the rotating cylinder can maintain the connection with the end of the telescopic rod of the first cylinder while driving the lifting platform to rotate.

[0024] Preferably, the cleaning component comprises:

[0025] A vertical plate is fixed on the side of the support plate, and a circular hole is opened in the middle of the vertical plate for the pipe to pass through;

[0026] A threaded drive disc is rotatably mounted inside the circular hole and is driven by the clamping drive assembly;

[0027] A plurality of sliders are arranged in a circular array and are slidably connected to the thread grooves of the threaded drive disk via sliding contacts. The sliders are slidably connected to the vertical plates via straight rods. Absorbent cotton and rubber scrapers are fixed on the side of all the sliders facing away from the threaded drive disk. The absorbent cotton is located between the rubber scrapers and the sliders.

[0028] A nozzle rack is fixed on the side wall of the vertical plate, and a plurality of nozzles are fixed on the bottom of the nozzle rack in a linear arrangement;

[0029] A water flow delivery assembly is installed below the vertical plate and is used to store and deliver water to the sprinkler head;

[0030] The pipe passes through the circular hole in the middle of the vertical plate and reaches the position of the laser cutting frame for cutting. After cutting, the clamping feed assembly drives the pipe back to the inside of the recess. At this time, the water flow conveying assembly is started, and the water flow conveying assembly conveys water to the nozzle, so that the water flow sprayed from the nozzle forms a water curtain. When the pipe passes through the water curtain, the debris on the surface of the pipe is cleaned, which helps to prevent the debris attached to the surface of the pipe from entering the inside of the recess and causing clamping interference, thereby helping to avoid the occurrence of unstable clamping of the pipe. At the same time, the clamping drive assembly is started to drive the threaded drive disk to rotate. After the threaded drive disk rotates, it drives the slider through the thread track of the thread groove. The slider is slidably connected to the vertical plate through a straight rod, so that the vertical plate can only slide on the track of the straight rod, so that all the sliders are close to each other to clamp the pipe fitting, and the slider drives the absorbent cotton and the rubber scraper block to approach each other to clamp the surface of the pipe fitting. After the surface of the pipe fitting is clamped, the rubber scraper block fits the surface of the pipe fitting to scrape off water stains on the surface of the pipe fitting. When the pipe fitting reaches the position of the absorbent cotton, the absorbent cotton can absorb the residual moisture on the surface of the pipe fitting, which is beneficial to avoid the situation where water flows into the inside of the recess with the pipe fitting to interfere with the clamping stability, thereby helping to avoid the situation where the unstable clamping of the pipe fitting interferes with the accuracy of laser cutting.

[0031] Preferably, the cleaning component further comprises:

[0032] A filter frame is fixed inside the processing table, a flip filter plate is rotatably mounted in the middle of the filter frame, a torsion spring is provided on the outer sleeve of the rotating shaft of the flip filter plate, and two ends of the torsion spring pad are fixedly connected to the flip filter plate and the filter frame respectively;

[0033] A U-shaped pushing frame is vertically slidably connected to the filter frame, and the U-shaped pushing frame pushes the flip filter plate to flip when it moves vertically;

[0034] A screw rod is rotatably mounted below the vertical plate, the screw rod is threadedly connected to the U-shaped pushing frame, and the clamping drive assembly is also used to drive the screw rod to rotate;

[0035] The rotation of the worm of the clamping drive assembly drives the screw to rotate, and after the screw rotates, it drives the U-shaped pushing frame threaded with it to move vertically. After the U-shaped pushing frame moves vertically, it pushes one end of the flip filter plate upward, causing the flip filter plate to flip. When the flip filter plate flips, the water flow from the nozzle drives the debris on the surface of the inclined flip filter plate to be flipped upward and cleaned, which helps to avoid the accumulation of debris on the surface of the flip filter plate and interfere with laser cutting. At the same time, the flip filter plate can intercept and support the fallen fragments, thereby preventing the splashing of the fallen fragments from interfering with laser cutting.

[0036] Preferably, the clamping feed assembly comprises:

[0037] A plurality of clamping blocks are divided into two groups, wherein the two groups of clamping blocks are respectively inserted into both sides of the recess in a linear array, and the clamping blocks all pass through the sides of the recess and extend into the interior of the rotating cylinder;

[0038] A plurality of electric telescopic rods, each of which corresponds to one clamping block, the electric telescopic rod being fixed inside the rotating cylinder, and the telescopic rod ends of the electric telescopic rod being fixedly connected to the corresponding clamping block;

[0039] a feed drive assembly, mounted on both sides of the notch to drive the pipe to move;

[0040] After the electric telescopic rod is started, the clamping block is pushed to move by the end of the telescopic rod, so that the clamping block extends to the inside of the recess to clamp the pipe, which helps to prevent the pipe from loosening and deviating during the laser cutting process.

[0041] Preferably, the feed drive assembly comprises:

[0042] A plurality of movable racks are divided into two groups and are slidably mounted in a linear array inside the rotating cylinder, with the two groups of movable racks being located on both sides of the recess;

[0043] The second cylinder is provided in a one-to-one correspondence with the movable frame and is fixed inside the rotating cylinder to push the movable frame to move;

[0044] a driving roller, provided in one-to-one correspondence with the movable frame, rotatably mounted inside the movable frame, and driven to rotate by a driving member mounted on the movable frame, the driving roller extending into the recess through an opening provided on the side wall of the recess;

[0045] After the second cylinder is started, it pushes the movable frame to move toward the inside of the recess. The movable frame drives the driving roller to move through the opening toward the inside of the recess, thereby adjusting the clamping force between the driving roller and the pipe fitting. The driving member drives the driving roller to rotate. After the driving roller and the pipe fitting are clamped to the required force, the rotation of the driving roller drives the pipe fitting to move, thereby driving the pipe fitting to achieve laser cutting at both ends of the pipe fitting.

[0046] In a second aspect, a control method for a laser cutting production device for an electric vehicle frame tube is provided, wherein a controller is installed inside the processing table, a first pressure sensor is fixed on the top of the lifting table, and a second pressure sensor is fixed on the bottom of the lifting table. The control method comprises the following steps:

[0047] The controller receives first pressure information acquired by the first pressure sensor;

[0048] The controller receives second pressure information acquired by the second pressure sensor;

[0049] When the controller receives the first pressure information and the second pressure information at the same time, it generates clamping control information according to the first pressure information and the second pressure information, and the clamping control information is used to control the start of the clamping and feeding component;

[0050] The controller sends the clamping control information to the clamping and feeding component to control the clamping and feeding component to start;

[0051] After the pipe falls on the top of the lifting platform, the second pressure sensor is pressurized to generate second pressure information. After the lifting platform moves down to the bottom, the first pressure sensor is pressurized to generate first pressure information. The first pressure sensor sends the first pressure information to the controller, and the second pressure sensor sends the second pressure information to the controller. After receiving the first pressure information and the second pressure information at the same time, the controller generates clamping control information according to the first pressure information and the second pressure information. Then the controller sends the clamping control information to the clamping and feeding assembly to control the start of the clamping and feeding assembly.

[0052] Preferably, it also includes:

[0053] The controller receives cutting completion information generated by the laser cutting frame after cutting is completed;

[0054] The controller generates cleaning control information according to the cutting completion information, and the cleaning control information is used to control the start of the cleaning component;

[0055] The controller sends the cleaning control information to the cleaning component to control the cleaning component to start;

[0056] The laser cutting frame generates cutting completion information after completing cutting, and the laser cutting frame sends the cutting completion information to the controller. After receiving the cutting completion information, the controller generates cleaning control information according to the cutting completion information, and then the controller sends the cleaning control information to the cleaning component to control the start of the cleaning component.

[0057] Preferably, it also includes:

[0058] The controller receives cutting completion information generated by the laser cutting frame after completing two cuts;

[0059] The controller generates material change control information according to the cutting completion information, and the material change control information is used to control the start of the conveying component;

[0060] The controller sends the material change control information to the conveying component to control the start of the conveying component;

[0061] The laser cutting frame generates completion information after completing two cuts. The laser cutting frame sends the completion information to the controller. After receiving the completion information, the controller generates material change control information based on the completion information. Then the controller sends the material change control information to the conveying component to control the start of the conveying component.

[0062] Compared with the prior art, the present invention has the following beneficial effects:

[0063] 1. The present invention provides a cleaning component so that when the pipe is reset to the inside of the notch, the cleaning component can clean the debris on the outer surface of the cut end of the pipe. In addition, the cleaning component can isolate the laser cutting position of the pipe from the notch position, so that the debris generated during the pipe cutting process will not splash toward the notch position, which helps to avoid the debris adhering to the notch and causing unstable clamping of the pipe, thereby helping to avoid the occurrence of laser cutting deviation due to unstable clamping of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] Figure 1 Schematic diagram of the method of the present invention.

[0065] Figure 2 It is a schematic diagram of the overall structure of the present invention.

[0066] Figure 3 The overall cross-sectional structure of the present invention is shown in FIG. Figure 1 .

[0067] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0068] Figure 5 For the present invention Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0069] Figure 6 The overall cross-sectional structure of the present invention is shown in FIG. Figure 2 .

[0070] Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure at point C in the middle.

[0071] Figure 8 The overall cross-sectional structure of the present invention is shown in FIG. Figure 3 .

[0072] Figure 9 It is a schematic diagram of the internal structure of the vertical plate of the present invention after cross-section.

[0073] Figure 10 It is a schematic structural diagram of the water tank after sectioning of the present invention.

[0074] Figure 11 For the present invention Figure 10 Schematic diagram of the enlarged structure at point D in the middle.

[0075] Figure 12 It is a schematic structural diagram of the cross section of the rotating drum of the present invention.

[0076] In the figure: 1, processing table; 101, laser cutting frame; 2, support plate; 3, box; 4, frame; 5, rotating cylinder; 501, first gear; 502, second gear; 503, first motor; 504, notch; 6, lifting platform; 601, first cylinder; 7, clamping block; 701, electric telescopic rod; 8, driving roller; 801, opening; 802, moving frame; 803, second motor; 804, first synchronous wheel; 805, second synchronous wheel; 806, synchronous belt; 807, second cylinder; 9, feeding conveyor belt; 901, first rotating roller; 90 2. Third motor; 10. Unloading conveyor belt; 1001. Second rotating roller; 1002. Fourth motor; 1003. Guide frame; 11. Vertical plate; 12. Nozzle frame; 13. Nozzle; 14. Water pump; 15. Filter frame; 16. Water tank; 17. Filter frame; 18. Flip filter plate; 19. Threaded drive disk; 1901. Third gear; 1902. Turbine; 1903. Worm; 1904. Fifth motor; 1905. U-shaped push frame; 1906. Screw; 20. Slider; 2001. Straight rod; 21. Absorbent cotton; 22. Rubber scraper. DETAILED DESCRIPTION

[0077] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0078] like Figures 2 to 12 The laser cutting production device for electric vehicle frame pipes shown includes a processing table 1, in which a laser cutting frame 101 is installed, and further includes:

[0079] The box body 3 is fixed to the inside of the processing table 1 through the support plate 2;

[0080] The rotating cylinder 5 is rotatably mounted on the top of the box body 3 and is driven by the rotating drive assembly. A notch 504 is provided inside the rotating cylinder 5.

[0081] A clamping and feeding assembly is installed inside the recess 504 and is used to clamp the pipe entering the recess 504 and transport it after clamping;

[0082] The conveying assembly is installed on the rotating drum 5 and is used to transport the pipes to the inside of the recess 504;

[0083] A cleaning assembly, mounted on the side of the support plate 2, is used to clean debris from the surface of the laser-processed tube and to reduce the entry of debris into the recess 504 by isolating the tube;

[0084] In the process of cutting the frame tubes of electric vehicles, the frame tubes need to be clamped and positioned before laser cutting. During the cutting process, the cut part of the tube will generate debris. If the debris falls on the clamping position of the tube, it will cause the clamping of the tube to deviate, resulting in deviation in the laser cutting of the tube, thereby affecting the processing efficiency of the tube.

[0085] This embodiment of the present invention can solve the above problems. The specific implementation method is as follows: the pipe is conveyed to the position of the recess 504 by the conveying component. After the pipe is conveyed to the top of the recess 504, it enters the interior of the recess 504 along the recess 504. After the pipe enters the interior of the recess 504, the clamping and feeding component is started so that the clamping and feeding component clamps the pipe. After the clamping of the pipe is completed, the pipe is driven to feed in the direction of the laser cutting frame 101 by the clamping and feeding component, so that the end of the pipe extends into the position of the laser cutting frame 101, so that the laser cutting frame 101 cuts the pipe after it is started. , thereby achieving cutting of one end of the pipe fitting. After the cutting of one end of the pipe fitting is completed, the cleaning component is started, so that when the pipe fitting is reset to the inside of the recess 504, the cleaning component cleans the debris on the outer surface of the cut end of the pipe fitting. In addition, the setting of the cleaning component makes the laser cutting position of the pipe fitting and the position of the recess 504 isolated from each other, so that the debris generated during the pipe fitting cutting process will not splash toward the position of the recess 504, thereby preventing the debris from adhering to the recess 504 and causing unstable clamping of the pipe fitting, thereby preventing the occurrence of laser cutting deviation caused by unstable clamping of the pipe fitting.

[0086] After the laser cutting of one end of the pipe is completed, the clamping and feeding assembly is started to transport the pipe to the inside of the recess 504 and reset it. Then the driving assembly is rotated to drive the rotating cylinder 5 to rotate to reverse the two ends of the pipe. Then the clamping and feeding assembly is started again to transport the other end of the pipe into the position of the laser cutting frame 101, so that the laser cutting frame 101 is started to cut the other end of the pipe, thereby realizing cutting of both ends of the pipe. In addition, through the setting of the conveying assembly, the pipe does not need to be manually loaded, which is beneficial to improve the efficiency of laser cutting of the pipe.

[0087] As an optional embodiment, the rotation drive assembly includes:

[0088] The first gear 501 is fixed to the bottom of the rotating cylinder 5;

[0089] The first motor 503 is fixed inside the box 3. The second gear 502 is fixed to the end of the output shaft of the first motor 503. The second gear 502 is meshed with the first motor 503.

[0090] After the first motor 503 is started, the output shaft drives the second gear 502 to rotate. After the second gear 502 rotates, it drives the first gear 501 meshed with it to rotate. The first gear 501 drives the rotating drum 5 to rotate, thereby driving the pipe to rotate through the rotation of the rotating drum 5 to switch the two ends.

[0091] As an optional embodiment, the conveying assembly includes:

[0092] The frame 4 is fixed on the inner wall of the processing table 1;

[0093] The feeding conveyor belt 9 is installed on one side of the interior of the frame 4 through the first transmission drive assembly;

[0094] The unloading conveyor belt 10 is installed on the other side of the frame 4 through the second transmission drive assembly. The feeding conveyor belt 9 and the unloading conveyor belt 10 are respectively located on both sides of the recess 504;

[0095] The guide frame 1003 is fixed on the inner wall of the processing table 1 and is connected to the unloading conveyor belt 10;

[0096] A lifting drive assembly is installed inside the recess 504 to drive the pipe to move up and down;

[0097] After the first transmission drive component is started, it drives the feeding conveyor belt 9 to transmit. After the feeding conveyor belt 9 is transmitted, the pipe fittings are transported to the position of the recess 504. The feeding speed of the pipe fittings is controlled by controlling the transmission frequency of the feeding conveyor belt 9. After the second transmission drive component is started, it drives the unloading conveyor belt 10 to transmit. After the unloading conveyor belt 10 is transmitted, the cut pipe fittings are transported and unloaded. The unloaded pipe fittings slide and are collected through the guide frame 1003, thereby realizing automatic loading and unloading of the pipe fittings. The lifting drive component can transport the pipe fittings that reach the position of the recess 504. When the lifting drive component transports the pipe fittings to the lowest position of the recess 504, the clamping feed component can clamp the pipe fittings. When the lifting drive component transports the pipe fittings to the highest position of the recess 504, the pipe fittings can be pushed by the pipe fittings on the feeding conveyor belt 9 into the unloading conveyor belt 10 for replacement.

[0098] As an optional embodiment, the first transmission drive assembly includes:

[0099] Two first rotating rollers 901 are rotatably mounted inside the frame 4, and the feeding conveyor belt 9 is driven and sleeved outside the two first rotating rollers 901;

[0100] The third motor 902 is fixed to the outer wall of the processing table 1, and the third motor 902 drives one of the first rotating rollers 901 to rotate through the output shaft;

[0101] After the third motor 902 is started, it drives one of the first rotating rollers 901 to rotate through the output shaft. After the first rotating roller 901 rotates, it drives the feeding conveyor belt 9 to transmit.

[0102] As an optional embodiment, the second transmission drive assembly includes:

[0103] Two second rotating rollers 1001 are rotatably mounted inside the frame 4, and the unloading conveyor belt 10 is driven by sleeves outside the two second rotating rollers 1001;

[0104] The fourth motor 1002 is fixed to the outer wall of the processing table 1, and the fourth motor 1002 drives one of the second rotating rollers 1001 to rotate through the output shaft;

[0105] After the fourth motor 1002 is started, it drives one of the second rotating rollers 1001 to rotate through the output shaft. After the second rotating roller 1001 rotates, it drives the unloading conveyor belt 10 to transmit.

[0106] As an optional embodiment, the lifting drive assembly includes:

[0107] The lifting platform 6 is vertically slidably mounted inside the recess 504;

[0108] The first cylinder 601 is fixed inside the box 3, and the end of the telescopic rod of the first cylinder 601 is rotatably connected to the bottom center of the lifting platform 6;

[0109] After the first cylinder 601 is started, it pushes the lifting platform 6 to move vertically through the telescopic rod. The end of the telescopic rod of the first cylinder 601 is connected to the rotation of the lifting platform 6, so that the rotating cylinder 5 can maintain the connection with the end of the telescopic rod of the first cylinder 601 while driving the lifting platform 6 to rotate.

[0110] As an optional embodiment, the cleaning component includes:

[0111] The vertical plate 11 is fixed to the side of the support plate 2, and a circular hole is opened in the middle of the vertical plate 11 for the pipe to pass through;

[0112] The threaded drive disc 19 is rotatably mounted inside the circular hole and is driven by the clamping drive assembly;

[0113] Multiple sliders 20 are arranged in a circular array and are slidably connected to the thread grooves of the threaded drive disk 19 via sliding contacts. The sliders 20 are slidably connected to the vertical plate 11 via straight rods 2001. All sliders 20 are fixed with absorbent cotton 21 and rubber scrapers 22 on the side facing away from the threaded drive disk 19. The absorbent cotton 21 is located between the rubber scrapers 22 and the sliders 20.

[0114] The nozzle rack 12 is fixed to the side wall of the vertical plate 11, and a plurality of nozzles 13 are fixed on the bottom of the nozzle rack 12 in a linear arrangement;

[0115] The water flow delivery assembly is installed below the vertical plate 11 and is used to store and deliver water to the nozzle 13;

[0116] The pipe passes through the circular hole in the middle of the vertical plate 11 and reaches the position of the laser cutting frame 101 for cutting. After the cutting is completed, the clamping feed assembly drives the pipe to retreat to the inside of the recess 504. At this time, the water flow conveying assembly is started, and the water flow conveying assembly conveys water to the nozzle 13, so that the water flow sprayed by the nozzle 13 forms a water curtain. When the pipe passes through the water curtain, the debris on the surface of the pipe is cleaned, which is beneficial to prevent the debris attached to the surface of the pipe from entering the inside of the recess 504 and causing clamping interference, thereby helping to avoid the occurrence of unstable clamping of the pipe. At the same time, the clamping drive assembly is started to drive the threaded drive disk 19 to rotate. After the threaded drive disk 19 rotates, the slider 20 is driven by the thread track of the thread groove. The slider 20 passes The straight rod 2001 is slidably connected to the vertical plate 11 so that the vertical plate 11 can only slide on the track of the straight rod 2001, so that all the sliders 20 are close to each other to clamp the pipe fitting, and the slider 20 drives the absorbent cotton 21 and the rubber scraper block 22 to approach each other to clamp the surface of the pipe fitting. After the surface of the pipe fitting is clamped, the rubber scraper block 22 fits the surface of the pipe fitting to scrape off water stains on the surface of the pipe fitting. When the pipe fitting reaches the position of the absorbent cotton 21, the absorbent cotton 21 can absorb the residual moisture on the surface of the pipe fitting, which is beneficial to avoid the water flow entering the inside of the recess 504 with the pipe fitting to interfere with the clamping stability, thereby helping to avoid the situation where the unstable clamping of the pipe fitting interferes with the accuracy of laser cutting.

[0117] As an optional embodiment, the clamping drive assembly includes:

[0118] The fifth motor 1904 is fixed to the side of the vertical plate 11;

[0119] The third gear 1901 is rotatably mounted in the mounting groove inside the vertical plate 11;

[0120] The turbine 1902 is coaxially and fixedly connected to the third gear 1901;

[0121] A worm 1903 is fixed to the end of the output shaft of the fifth motor 1904 and meshes with the turbine 1902;

[0122] A fourth gear is mounted on the outside of the threaded drive disc 19 and meshes with the third gear 1901;

[0123] After the fifth motor 1904 is started, it drives the worm 1903 to rotate through the output shaft, the worm 1903 drives the turbine 1902 engaged with it to rotate, the turbine 1902 drives the third gear 1901 to rotate, and the third gear 1901 drives the fourth gear engaged with it to rotate, thereby driving the threaded drive disk 19 to rotate through the fourth gear, thereby driving the threaded drive disk 19.

[0124] As an optional embodiment, the cleaning component further includes:

[0125] The filter frame 15 is fixed inside the processing table 1. The middle part of the filter frame 15 is rotatably mounted with a flip filter plate 18. The rotating shaft of the flip filter plate 18 is provided with a torsion spring. The two ends of the torsion spring pad are fixedly connected to the flip filter plate 18 and the filter frame 15 respectively.

[0126] The U-shaped push frame 1905 is vertically slidably connected to the filter frame 15. When the U-shaped push frame 1905 moves vertically, it pushes the flip filter plate 18 to flip;

[0127] The screw rod 1906 is rotatably mounted below the vertical plate 11. The screw rod 1906 is threadedly connected to the U-shaped push frame 1905. The clamping drive assembly is also used to drive the screw rod 1906 to rotate.

[0128] The worm 1903 of the clamping drive assembly rotates to drive the screw 1906 to rotate. After the screw 1906 rotates, it drives the U-shaped pushing frame 1905 threadedly connected to it to move vertically. After the U-shaped pushing frame 1905 moves vertically, it pushes one end of the flip filter plate 18 upward, causing the flip filter plate 18 to flip. When the flip filter plate 18 flips, under the action of the water flow from the nozzle 13, the debris on the surface of the inclined flip filter plate 18 is flipped upward and cleaned, which helps to avoid the accumulation of debris on the surface of the flip filter plate 18 and interfere with laser cutting. At the same time, the flip filter plate 18 can intercept and support the fallen fragments, thereby preventing the splashing of fallen fragments from interfering with laser cutting.

[0129] As an optional embodiment, the water flow delivery component includes:

[0130] The water tank 16 is fixed inside the processing table 1 and fixed to the bottom of the support plate 2;

[0131] The filter frame 17 is fixed to the bottom of the filter frame 15;

[0132] The water pump 14 is fixed inside the water tank 16, and the output end of the water pump 14 is connected to the nozzle 13 through a pipe;

[0133] After the water pump 14 is started, it drives the water to be sprayed toward the nozzle 13. The interior of the water tank 16 can receive the water flow, and the filter frame 17 can filter and collect debris to prevent the debris from being transported to the surface of the pipe along with the water flow.

[0134] As an optional embodiment, the clamping feed assembly includes:

[0135] Multiple clamping blocks 7 are divided into two groups. The two groups of clamping blocks 7 are respectively inserted into both sides of the recess 504 in a linear array. The clamping blocks 7 all pass through the sides of the recess 504 and extend into the interior of the rotating cylinder 5.

[0136] Multiple electric telescopic rods 701, one electric telescopic rod 701 corresponds to one clamping block 7, the electric telescopic rod 701 is fixed inside the rotating cylinder 5, and the telescopic rod end of the electric telescopic rod 701 is fixedly connected to the corresponding clamping block 7;

[0137] Feed drive components, installed on both sides of the notch 504 to drive the pipe to move;

[0138] After the electric telescopic rod 701 is started, the end of the telescopic rod pushes the clamping block 7 to move, so that the clamping block 7 extends to the inside of the recess 504 to clamp the pipe, thereby preventing the pipe from loosening and deviating during the laser cutting process.

[0139] As an optional embodiment, the feed drive assembly includes:

[0140] Multiple movable racks 802 are divided into two groups and are slidably mounted in a linear array inside the rotating cylinder 5. The two groups of movable racks 802 are located on both sides of the recess 504.

[0141] The second cylinder 807 is provided in a one-to-one correspondence with the movable frame 802 and is fixed inside the rotating cylinder 5 to push the movable frame 802 to move;

[0142] The driving roller 8 is provided in a one-to-one correspondence with the movable frame 802, is rotatably mounted inside the movable frame 802, and is driven to rotate by a driving member mounted on the movable frame 802. The driving roller 8 passes through an opening 801 formed in the side wall of the recess 504 and extends into the interior of the recess 504;

[0143] After the second cylinder 807 is started, it pushes the movable frame 802 to move toward the inside of the recess 504. The movable frame 802 drives the driving roller 8 to move through the opening 801 toward the inside of the recess 504, thereby adjusting the clamping force between the driving roller 8 and the pipe fitting. The driving member drives the driving roller 8 to rotate. After the driving roller 8 and the pipe fitting are clamped to the required force, the rotation of the driving roller 8 drives the pipe fitting to move, thereby driving the pipe fitting to achieve laser cutting at both ends of the pipe fitting.

[0144] As an optional embodiment, the driving member includes:

[0145] The second synchronous wheel 805 is coaxially fixedly connected to the driving roller 8;

[0146] The second motor 803 is fixed to the side wall of the mobile frame 802. The output shaft of the second motor 803 is fixed with a first synchronous wheel 804. The first synchronous wheel 804 and the second synchronous wheel 805 are connected by a synchronous belt 806.

[0147] After the second motor 803 is started, it drives the first synchronous wheel 804 to rotate. The first synchronous wheel 804 drives the second synchronous wheel 805 to rotate through the synchronous belt 806. The second synchronous wheel 805 drives the driving roller 8 to rotate, thereby driving the driving roller 8.

[0148] like Figure 1 The control method of the laser cutting production device for electric vehicle frame pipes shown in the figure includes a controller installed inside the processing table 1, a first pressure sensor fixed on the top of the lifting platform 6, and a second pressure sensor fixed on the bottom of the lifting platform 6. The control method includes the following steps:

[0149] The controller receives first pressure information acquired by the first pressure sensor;

[0150] The controller receives second pressure information acquired by the second pressure sensor;

[0151] When the controller receives the first pressure information and the second pressure information at the same time, it generates clamping control information according to the first pressure information and the second pressure information, and the clamping control information is used to control the start of the clamping and feeding component;

[0152] The controller sends the clamping control information to the clamping and feeding component to control the start of the clamping and feeding component;

[0153] After the pipe falls on the top of the lifting platform 6, the second pressure sensor is pressurized to generate second pressure information. After the lifting platform 6 moves downward to the bottom, the first pressure sensor is pressurized to generate first pressure information. The first pressure sensor sends the first pressure information to the controller, and the second pressure sensor sends the second pressure information to the controller. After receiving the first pressure information and the second pressure information at the same time, the controller generates clamping control information according to the first pressure information and the second pressure information. Then the controller sends the clamping control information to the clamping and feeding assembly to control the start of the machine clamping and feeding assembly.

[0154] As an optional embodiment, it also includes:

[0155] The controller receives the cutting completion information generated by the laser cutting frame 101 after the cutting is completed;

[0156] The controller generates cleaning control information according to the cutting completion information, and the cleaning control information is used to control the start of the cleaning component;

[0157] The controller sends the cleaning control information to the cleaning component to control the startup of the cleaning component;

[0158] The laser cutting frame 101 generates cutting completion information after completing cutting. The laser cutting frame 101 sends the cutting completion information to the controller. After receiving the cutting completion information, the controller generates cleaning control information according to the cutting completion information. Then the controller sends the cleaning control information to the cleaning component to control the start of the cleaning component.

[0159] As an optional embodiment, it also includes:

[0160] The controller receives the cutting completion information generated by the laser cutting frame 101 after completing two cuts;

[0161] The controller generates material change control information based on the cutting completion information, and the material change control information is used to control the start of the conveying component;

[0162] The controller sends the material change control information to the conveying component to control the start of the conveying component;

[0163] The laser cutting frame 101 generates completion information after completing two cuts. The laser cutting frame 101 sends the completion information to the controller. After receiving the completion information, the controller generates material change control information based on the completion information. Then the controller sends the material change control information to the conveying component to control the start of the conveying component.

[0164] The working principle of the present invention is as follows: the pipe is conveyed to the position of the notch 504 by the conveying assembly, and after being conveyed to the top of the notch 504, the pipe enters the interior of the notch 504 along the notch 504. After the pipe enters the interior of the notch 504, the clamping and feeding assembly is started, so that the clamping and feeding assembly clamps the pipe, and after completing the clamping of the pipe, the clamping and feeding assembly drives the pipe to be fed in the direction of the laser cutting frame 101, so that the end of the pipe extends into the position of the laser cutting frame 101, so that the laser cutting frame 101 is started to cut the pipe, thereby achieving a complete cutting of the pipe. After one end of the pipe is cut, the cleaning assembly is activated, so that when the pipe is reset to the inside of the notch 504, the cleaning assembly cleans the debris on the outer surface of the cut end of the pipe. In addition, the cleaning assembly is provided so that the laser cutting position of the pipe and the notch 504 are isolated from each other, so that the debris generated during the pipe cutting process will not splash toward the notch 504, thereby preventing the debris from adhering to the notch 504 and causing unstable clamping of the pipe, thereby preventing the occurrence of laser cutting deviation caused by unstable clamping of the pipe.

[0165] After the laser cutting of one end of the pipe is completed, the clamping and feeding assembly is started to transport the pipe to the inside of the recess 504 and reset it. Then the driving assembly is rotated to drive the rotating cylinder 5 to rotate to reverse the two ends of the pipe. Then the clamping and feeding assembly is started again to transport the other end of the pipe into the position of the laser cutting frame 101, so that the laser cutting frame 101 is started to cut the other end of the pipe, thereby realizing cutting of both ends of the pipe. In addition, through the setting of the conveying assembly, the pipe does not need to be manually loaded, which is beneficial to improve the efficiency of laser cutting of the pipe.

[0166] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the invention as claimed.

Claims

1. A laser cutting production device for electric vehicle frame pipes, comprising a processing table (1), wherein a laser cutting frame (101) is installed inside the processing table (1), characterized in that: Also includes: The box (3) is fixed to the interior of the processing table (1) via a support plate (2); A rotating cylinder (5) is rotatably mounted on the top of the box (3) and driven by a rotating drive assembly. A notch (504) is provided inside the rotating cylinder (5); A clamping and feeding assembly is installed inside the recess (504) and is used to clamp the pipe fitting entering the recess (504) and to convey the pipe fitting after being clamped; A conveying assembly, mounted on the rotating drum (5), for conveying the pipes to the inside of the recess (504); A cleaning assembly is installed on the side of the support plate (2) and is used to clean debris from the surface of the tube after laser processing and to reduce the entry of debris into the recess (504) by isolation.

2. The laser cutting production device for electric vehicle frame tubes according to claim 1, characterized in that: The conveying assembly comprises: A frame (4) is fixed on the inner wall of the processing table (1); A feeding conveyor belt (9) is installed on one side of the interior of the frame (4) via a first transmission drive assembly; A discharge conveyor belt (10) is installed on the other side of the interior of the frame (4) through a second transmission drive assembly, and the feed conveyor belt (9) and the discharge conveyor belt (10) are respectively located on both sides of the recess (504); A guide frame (1003) is fixed on the inner wall of the processing table (1), and the guide frame (1003) is connected to the unloading conveyor belt (10); The lifting drive assembly is installed inside the recess (504) to drive the pipe to move up and down.

3. The laser cutting production device for electric vehicle frame tubes according to claim 2, characterized in that: The lifting drive assembly includes: A lifting platform (6) is vertically slidably mounted inside the recess (504); The first cylinder (601) is fixed inside the box (3), and the end of the telescopic rod of the first cylinder (601) is rotatably connected to the bottom center of the lifting platform (6).

4. The laser cutting production device for electric vehicle frame tubes according to claim 3, characterized in that: The cleaning component includes: A vertical plate (11) is fixed on the side of the support plate (2), and a circular hole for the pipe to pass through is opened in the middle of the vertical plate (11); A threaded drive disc (19) is rotatably mounted inside the circular hole and driven by a clamping drive assembly; A plurality of sliders (20) are arranged in a circular array and are slidably connected to the thread groove of the threaded drive disk (19) through sliding contacts. The sliders (20) are slidably connected to the vertical plate (11) through straight rods (2001). A water-absorbing cotton (21) and a rubber scraper (22) are fixed on the side of all the sliders (20) facing away from the threaded drive disk (19). The water-absorbing cotton (21) is located between the rubber scraper (22) and the sliders (20); A nozzle rack (12) is fixed on the side wall of the vertical plate (11), and a plurality of nozzles (13) are fixed on the bottom of the nozzle rack (12) in a linear arrangement; A water flow delivery component is installed below the vertical plate (11) and is used for storing and delivering water flow to the nozzle (13).

5. The laser cutting production device for electric vehicle frame tubes according to claim 4, characterized in that: The cleaning component also includes: A filter frame (15) is fixed inside the processing table (1), a flip filter plate (18) is rotatably mounted on the middle of the filter frame (15), a torsion spring is provided on the outer sleeve of the rotating shaft of the flip filter plate (18), and two ends of the torsion spring pad are fixedly connected to the flip filter plate (18) and the filter frame (15) respectively; A U-shaped pushing frame (1905) is vertically slidably connected to the filter frame (15), and when the U-shaped pushing frame (1905) moves vertically, it pushes the flip filter plate (18) to flip; The screw rod (1906) is rotatably mounted below the vertical plate (11), the screw rod (1906) is threadedly connected to the U-shaped pushing frame (1905), and the clamping drive assembly is also used to drive the screw rod (1906) to rotate.

6. The laser cutting production device for electric vehicle frame tubes according to claim 3, characterized in that: The clamping feed assembly comprises: A plurality of clamping blocks (7) are divided into two groups, and the two groups of clamping blocks (7) are respectively inserted into both sides of the recess (504) in a linear array, and the clamping blocks (7) all pass through the side of the recess (504) and extend into the interior of the rotating cylinder (5); a plurality of electric telescopic rods (701), each electric telescopic rod (701) corresponding to one clamping block (7), the electric telescopic rod (701) being fixed inside the rotating cylinder (5), and the telescopic rod ends of the electric telescopic rods (701) being fixedly connected to the corresponding clamping block (7); The feed drive assembly is installed on both sides of the notch (504) to drive the pipe to move.

7. The laser cutting production device for electric vehicle frame tubes according to claim 6, characterized in that: The feed drive assembly includes: A plurality of movable racks (802) are divided into two groups and are slidably mounted in a linear array inside the rotating cylinder (5), and the two groups of movable racks (802) are located on both sides of the recess (504); A second air cylinder (807) is provided in one-to-one correspondence with the movable frame (802) and is fixed inside the rotating cylinder (5) to push the movable frame (802) to move; The driving roller (8) is arranged in a one-to-one correspondence with the movable frame (802), is rotatably installed inside the movable frame (802), and is driven to rotate by a driving member installed on the movable frame (802). The driving roller (8) passes through an opening (801) opened on the side wall of the recess (504) and extends into the interior of the recess (504).

8. A control method for a laser cutting production device for an electric vehicle frame tube, applicable to the laser cutting production device for an electric vehicle frame tube according to any one of claims 3 to 7, characterized in that: A controller is installed inside the processing table (1), a first pressure sensor is fixed on the top of the lifting table (6), and a second pressure sensor is fixed on the bottom of the lifting table (6). The control method includes the following steps: The controller receives first pressure information acquired by the first pressure sensor; The controller receives second pressure information acquired by the second pressure sensor; When the controller receives the first pressure information and the second pressure information at the same time, it generates clamping control information according to the first pressure information and the second pressure information, and the clamping control information is used to control the start of the clamping and feeding component; The controller sends the clamping control information to the clamping and feeding component to control the start-up of the clamping and feeding component.

9. The control method of the electric vehicle frame tube laser cutting production device according to claim 8, characterized in that: Also includes: The controller receives cutting completion information generated by the laser cutting frame (101) after cutting is completed; The controller generates cleaning control information according to the cutting completion information, and the cleaning control information is used to control the start of the cleaning component; The controller sends the cleaning control information to the cleaning component to control the cleaning component to start.

10. The control method of the electric vehicle frame tube laser cutting production device according to claim 8, characterized in that: Also includes: The controller receives cutting completion information generated by the laser cutting frame (101) after completing two cuts; The controller generates material change control information according to the cutting completion information, and the material change control information is used to control the start of the conveying component; The controller sends the material change control information to the conveying component to control the start-up of the conveying component.

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