Outdoor LED display screen mounting equipment

Abstract

Outdoor LED display screen mounting equipment comprises a main supporting frame and a to-be-cut pipe, clamping feeding mechanisms and a sealing mechanism are arranged in the main supporting frame, the sealing mechanism is located in the middle, the clamping feeding mechanisms are distributed on the two sides of the sealing mechanism, plasma cutting mechanisms are arranged in the sealing mechanism, the interiors of the clamping feeding mechanisms are connected with the to-be-cut pipe, and the to-be-cut pipe is connected with the plasma cutting mechanisms. The plasma cutting mechanism conducts cutting operation on a pipe to be cut, the sealing mechanism recycles waste gas while preventing the waste gas generated in the cutting process of the plasma cutting mechanism from escaping, the situation that the waste gas escapes and pollutes the surrounding environment is avoided, the clamping and feeding mechanism drives the pipe to be cut to conduct automatic positioning and feeding, manpower is saved, and the working efficiency is improved. And meanwhile, the clamping and feeding mechanism can drive the pipe to be cut to rotate in the plasma cutting process of the plasma cutting mechanism so as to assist the plasma cutting mechanism in completing annular cutting operation.

Description

Technical Field

[0001] The present invention relates to the field of plasma cutting, and particularly to an outdoor LED display installation device. Background Art

[0002] When installing an outdoor LED display, it is necessary to cut and process the steel pipe bottom frame of the outdoor LED display. The existing patent (Publication No.: CN111001912A) proposes a plasma cutting machine, including a bottom frame, and a cutting plate is fixedly connected to the top of the bottom frame by bolts. This plasma cutting machine, plasma cutting machine voltage regulating device and voltage regulating method, through the combined use of accessories and systems, can open a groove at the bottom of the voltage regulating shell and make the groove contact with the cross bar, so that the shaft rod carrying the roller is slidably connected to the outer wall of the cross bar. However, the cutting head of this device is exposed, and the waste gas generated during the cutting process will disperse around. Cutting and processing the steel pipe bottom frame of the outdoor LED display may pollute the external environment and also affect the health of the staff after being inhaled by them. Summary of the Invention

[0003] Aiming at the above deficiencies of the existing technology, the present invention provides an outdoor LED display installation device in which an array group of movable sealing blocks can be freely opened and closed. When this device faces pipes to be cut with different radii, it can freely change the size of the opening of the array group of movable sealing blocks to adapt to the pipes to be cut, thereby forming a relatively closed space, so that the waste gas generated during the plasma cutting operation of the plasma cutting mechanism will not escape outward. At the same time, external disturbances are less likely to interfere with the plasma cutting operation of the plasma cutting mechanism, and it has good anti-interference performance. It cooperates with an air extraction pipe to extract air, so that the waste gas is recycled, avoiding the pollution of the external environment by the waste gas.

[0004] The purpose of the present invention is achieved through the following technical solutions: An outdoor LED display installation device includes a main support frame and a pipe to be cut. A clamping and feeding mechanism and a sealing mechanism are arranged inside the main support frame. The sealing mechanism is in the middle position, and the clamping and feeding mechanisms are distributed on both sides of the sealing mechanism. A plasma cutting mechanism is arranged inside the sealing mechanism. The clamping and feeding mechanism is internally connected to the pipe to be cut. The plasma cutting mechanism performs a cutting operation on the pipe to be cut. The sealing mechanism prevents the waste gas generated during the cutting process of the plasma cutting mechanism from escaping and also recovers the waste gas, avoiding the pollution of the surrounding environment by the escaped waste gas. The clamping and feeding mechanism drives the pipe to be cut for automatic positioning and feeding, saving manpower. At the same time, the clamping and feeding mechanism also drives the pipe to be cut to rotate during the plasma cutting process of the plasma cutting mechanism to assist the plasma cutting mechanism to complete the circumferential cutting operation.

[0005] The clamping and feeding mechanism includes a clamping frame driving hydraulic cylinder, a linkage slider, a linkage rod, a carrying roller, and a carrying roller driving motor. The main support frame has an inner support groove inside. The middle of the inner support groove has a sealing cylinder mounting platform, and both sides of the inner support groove have linkage block mounting slides. The linkage slider is adapted to the linkage block mounting slides, and the linkage slider is connected to the linkage block mounting slides and slides outside the linkage block mounting slides. Both sides of the linkage slider have outer linkage rod connecting ears. Inside the main support frame, there is a pipe to be cut. A lower roller support frame is provided at the bottom of the pipe to be cut, and an upper roller support frame is provided at the top of the pipe to be cut. Both sides of the upper roller support frame and the lower roller support frame have inner linkage rod connecting platforms, and the sides of the inner linkage rod connecting platforms have inner linkage rod connecting ears. One side of the linkage rod is rotatably connected to the inner linkage rod connecting ear, and the other side of the linkage rod is rotatably connected to the outer linkage rod connecting ear. Both the upper roller support frame and the lower roller support frame have V-shaped carrying grooves inside. The V-shaped carrying grooves have four groups of carrying roller mounting groove array groups inside, and the included angles between the four groups of carrying roller mounting groove array groups are all 90°. The carrying roller mounting grooves are rotatably connected to the carrying rollers. The side of the V-shaped carrying groove has a carrying roller motor groove, and the carrying roller motor groove corresponds to the position of the carrying roller mounting groove. The carrying roller driving motor is inserted into the carrying roller motor groove and fixed. The transmission shaft of the carrying roller driving motor is fixedly connected to the carrying roller, and the carrying roller presses against the surface of the pipe to be cut. The top of the inner support groove has a clamping frame positioning cylinder, and the top of the upper roller support frame has a clamping frame positioning rod. The clamping frame positioning rod is adapted to the clamping frame positioning cylinder, and the clamping frame positioning rod is connected to the clamping frame positioning cylinder and slides inside the clamping frame positioning cylinder. A support frame lifting hydraulic cylinder is provided at the bottom of the lower roller support frame. The bottom of the support frame lifting hydraulic cylinder is connected to the inner support groove, and the top of the support frame lifting hydraulic cylinder is connected to the lower roller support frame.

[0006] Beneficial effects: 1. In the present invention, the upper roller support frame and the lower roller support frame are linked through the linkage slider and the linkage rod. Thus, when the lower roller support frame carries the pipe to be cut and rises, the upper roller support frame will descend synchronously, so that the pipe to be cut can finally be positioned at the center position, making the pipe to be cut coincide with the central axis of the sealed bearing cylinder, which is convenient for subsequent plasma cutting. According to the rotation direction of the carrying roller, the feeding movement and the rotation movement of the pipe to be cut can be controlled respectively, making the positioning and feeding process of the pipe to be cut more convenient and fast.

[0007] 2. The movable seal block array group of the present invention can be freely opened and closed. When this device faces pipes to be cut with different radii, the size of the opening of the movable seal block array group can be freely changed to adapt to the pipe to be cut, thereby forming a relatively enclosed space. The waste gas generated during the plasma cutting operation of the plasma cutting mechanism will not escape outward. At the same time, external disturbances are less likely to interfere with the plasma cutting operation of the plasma cutting mechanism, and it has good anti-interference performance. It cooperates with the air extraction pipe to extract air, so that the waste gas is recycled, avoiding waste gas pollution of the external environment, and preventing workers from inhaling waste gas and affecting their physical health during the processing and installation of outdoor LED displays.

[0008] 3. The present invention combines the outward jet of air through the air blowing pipe and the inward suction of air through the air extraction pipe, so that an air flow towards the middle of the pipe to be cut is formed at the contact between the movable seal block and the pipe to be cut, thereby further preventing the waste gas generated during the plasma cutting process by the plasma cutting mechanism from escaping outward through the gap between the movable seal block and the pipe to be cut, and the sealing effect is better.

[0009] 4. A high-pressure cold air nozzle is provided at the bottom of the pipe to be cut in the present invention. When the plasma cutting head performs plasma cutting on the pipe to be cut, the high-speed air flow generated by the plasma cutting head drives part of the waste gas to splash on the lower side of the inner wall of the pipe to be cut. The high-pressure cold air nozzle sprays low-temperature gas at the bottom of the pipe to be cut to cool the bottom of the pipe to be cut. The waste gas splashed inside the pipe to be cut by the plasma cutting head will be concentrated and sublimated on the inner wall of the pipe to be cut corresponding to the high-pressure cold air nozzle, so that the waste residue formed by the sublimation of the waste gas is more concentratedly distributed at the cut of the pipe to be cut, facilitating the subsequent cleaning operation of the waste residue at the cut during the processing and installation of outdoor LED displays.

[0010] 5. The high-pressure cold air nozzle in the present invention cools the cut of the pipe to be cut. At the same time, when the clamping and feeding mechanism discharges the cut pipe to be cut outward, the cut of the pipe to be cut will be further cooled by the influence of the air flow when passing through the inner air extraction chute and the inner air blowing chute, thereby effectively preventing the high temperature at the cut of the pipe to be cut after cutting from burning the bearing roller of the clamping and feeding mechanism, and ensuring the safety during the discharging process during the processing of outdoor LED displays. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of an outdoor LED display installation device according to the present invention.

[0012] Figure 2 It is a main view cross-sectional view of an outdoor LED display installation device according to the present invention.

[0013] Figure 3 As described in the present invention Figure 2 Partial enlarged view A.

[0014] Figure 4 For the present invention Figure 2 Partial enlarged view B.

[0015] Figure 5 For the present invention Figure 2 Partial enlarged view C.

[0016] Figure 6 Partial enlarged view of the clamping and feeding mechanism for the present invention.

[0017] Figure 7 Installation state diagram of the carrying roller for the present invention.

[0018] Figure 8 Partial enlarged view of the sealing mechanism for the present invention.

[0019] Figure 9 Partial enlarged view of the local structure of the sealing mechanism for the present invention.

[0020] Figure 10 Side view cross-section diagram of the sealing mechanism for the present invention.

[0021] Figure 11 Schematic diagram of the main support frame structure for the present invention.

[0022] Figure 12 Schematic diagram of the sealing and carrying cylinder structure for the present invention.

[0023] Figure 13 Schematic diagram of the internal structure of the sealing and carrying cylinder for the present invention.

[0024] Figure 14 Schematic diagram of the movable sealing block structure for the present invention.

[0025] Figure 15 Schematic diagram of the linkage rod structure for the present invention.

[0026] In the figure: main support frame 1; pipe to be cut 2; clamping and feeding mechanism 3; sealing mechanism 4; plasma cutting mechanism 5; clamping frame positioning rod 11; clamping frame positioning cylinder 12; lifting hydraulic cylinder of clamping frame support 13; sealing cylinder mounting table 14; sealing bearing cylinder 15; inner air extraction table 16; outer air extraction table 17; inner air extraction array holes 18; air extraction pipe mounting table 19; air extraction pipe 20; sealing block mounting table 21; outer sealing block mounting table 22; sealing block limiting groove 23; movable sealing block 24; outer sealing extension cylinder 25; outer sealing mounting cylinder 26; inner air blowing table 27; outer air blowing table 28; inner air blowing array holes 29; air blowing pipe mounting table 30; air blowing pipe 31; linkage block mounting slideway 32; linkage slider 33; linkage rod 34; 35; inner linkage rod connection table 36; inner linkage rod connection ear 37; outer linkage rod connection ear 38; carrier roller mounting groove 39; carrier roller 40; carrier roller motor groove 41; carrier roller drive motor 42; anti-glare glass 43; glass mounting groove 44; tooth ring motor table 45; tooth ring drive motor 46; cutting head mounting table 47; plasma cutting head 48; cutting head lifting electric cylinder 49; cutting head claw 50; sealing block drive tooth ring 51; outer adjusting rod mounting table 52; sealing block limiting column 53; sealing block linkage slider 54; sealing block linkage sliding groove 55; driving gear 56; sealing block adjusting rod 57; inner adjusting rod mounting column 58; air jet head connection groove 59; high-pressure cold air jet head 60; inner support groove 101; inner air extraction inclined groove 161; sealing block mounting groove 211; inner air blowing inclined groove 271; upper roller support frame 351; lower roller support frame 352; V-shaped bearing groove 353. Detailed implementation mode

[0027] The present invention will be further described in detail below with reference to the drawings and embodiments: Embodiment 1: An outdoor LED display installation device includes a main support frame 1 and a pipe to be cut 2. A clamping and feeding mechanism 3 and a sealing mechanism 4 are arranged inside the main support frame 1. The sealing mechanism 4 is in the middle position, and the clamping and feeding mechanism 3 is distributed on both sides of the sealing mechanism 4. A plasma cutting mechanism 5 is arranged inside the sealing mechanism 4. The clamping and feeding mechanism 3 is internally connected to the pipe to be cut 2. The plasma cutting mechanism 5 performs cutting operations on the pipe to be cut 2. The sealing mechanism 4 prevents the waste gas generated during the cutting process of the plasma cutting mechanism 5 from escaping and also recovers the waste gas, avoiding the waste gas escaping and polluting the surrounding environment. The clamping and feeding mechanism 3 drives the pipe to be cut 2 for automatic positioning and feeding, saving manpower. At the same time, the clamping and feeding mechanism 3 also drives the pipe to be cut 2 to rotate during the plasma cutting process of the plasma cutting mechanism 5 to assist the plasma cutting mechanism 5 to complete the circumferential cutting operation.

[0028] Embodiment 2: The clamping and feeding mechanism 3 of the present invention includes a clamping frame support lifting hydraulic cylinder 13, a linkage slider 33, a linkage rod 34, a carrying roller 40, and a carrying roller drive motor 42. The main support frame 1 has an inner support groove 101 inside. The middle of the inner support groove 101 has a sealing cylinder mounting table 14. The two sides of the inner support groove 101 have linkage block mounting slideways 32. The linkage slider 33 is adapted to the linkage block mounting slideways 32. The linkage slider 33 is connected to the linkage block mounting slideways 32 and slides outside the linkage block mounting slideways 32. The two sides of the linkage slider 33 have outer linkage rod connecting ears 38. A pipe to be cut 2 is arranged inside the main support frame 1. A lower roller support frame 352 is arranged at the bottom of the pipe to be cut 2. An upper roller support frame 351 is arranged at the top of the pipe to be cut 2. Both sides of the upper roller support frame 351 and the lower roller support frame 352 have inner linkage rod connecting platforms 36. The side of the inner linkage rod connecting platform 36 has an inner linkage rod connecting ear 37. One side of the linkage rod 34 is rotatably connected to the inner linkage rod connecting ear 37, and the other side of the linkage rod 34 is rotatably connected to the outer linkage rod connecting ear 38. Both the upper roller support frame 351 and the lower roller support frame 352 have V-shaped carrying grooves 353 inside. The V-shaped carrying grooves 353 have an array group of four carrying roller mounting grooves 39. The included angles between the four array groups of carrying roller mounting grooves 39 are all 90°. The carrying roller mounting grooves 39 are rotatably connected to the carrying rollers 40. The side of the V-shaped carrying groove 353 has a carrying roller motor groove 41. The carrying roller motor groove 41 corresponds to the position of the carrying roller mounting groove 39. The carrying roller drive motor 42 is inserted into the carrying roller motor groove 41 and fixed. The transmission shaft of the carrying roller drive motor 42 is fixedly connected to the carrying roller 40. The carrying roller 40 presses against the surface of the pipe to be cut 2. The top of the inner support groove 101 has a clamping frame positioning cylinder 12. The top of the upper roller support frame 351 has a clamping frame positioning rod 11. The clamping frame positioning rod 11 is adapted to the clamping frame positioning cylinder 12. The clamping frame positioning rod 11 is connected to the clamping frame positioning cylinder 12 and slides inside the clamping frame positioning cylinder 12. The bottom of the lower roller support frame 352 is provided with a support frame lifting hydraulic cylinder 13. The bottom of the support frame lifting hydraulic cylinder 13 is connected to the inner support groove 101, and the top of the support frame lifting hydraulic cylinder 13 is connected to the lower roller support frame 352.

[0029] Further, an operation method of an outdoor LED display installation device includes the following steps: When loading the pipe 2 to be cut, the telescopic rod of the lifting hydraulic cylinder 13 of the clamping frame support retracts. While the telescopic rod of the lifting hydraulic cylinder 13 of the clamping frame support pulls the lower roller support frame 352 downward, the lower roller support frame 352 controls the upper roller support frame 351 to move upward synchronously through the linkage mechanism composed of the linkage rod 34 and the linkage slider 33. The operator places the pipe 2 to be cut on the upper part of the array group of the carrier rollers 40 connected to the lower roller support frame 352. Then, the telescopic rod of the lifting hydraulic cylinder 13 of the clamping frame support extends, and the lower roller support frame 352 carries the pipe 2 to be cut upward until the array group of the carrier rollers 40 connected to the upper roller support frame 351 presses against the upper part of the pipe 2 to be cut. The carrier roller drive motor 42 drives the carrier rollers 40 to rotate. When the carrier rollers 40 on both sides of the pipe 2 to be cut rotate in the same direction, the carrier rollers 40 drive the pipe 2 to be cut to perform a feeding motion along the axis. When the carrier rollers 40 on both sides of the pipe 2 to be cut rotate in opposite directions, the carrier rollers 40 drive the pipe 2 to be cut to perform a rotational motion.

[0030] It should be noted that the upper roller support frame 351 and the lower roller support frame 352 are linked through the linkage slider 33 and the linkage rod 34. Thus, when the lower roller support frame 352 carries the pipe 2 to be cut upward, the upper roller support frame 351 will move downward synchronously, so that the pipe 2 to be cut can be finally positioned at the center position, making the axis of the pipe 2 to be cut coincide with the axis of the sealed carrier cylinder 15, which is convenient for subsequent plasma cutting. According to the rotation direction of the carrier rollers 40, the feeding motion and the rotational motion of the pipe 2 to be cut can be respectively controlled, making the positioning and feeding process of the pipe 2 to be cut more convenient and fast.

[0031] Embodiment 3: The sealing mechanism 4 of the present invention includes a sealing carrier cylinder 15, an air extraction pipe 20, a movable sealing block 24, an outer sealing extension cylinder 25, a ring drive motor 46, a blowing pipe 31, an anti-strong light glass 43, a sealing block drive ring 51, a driving gear 56, and a sealing block adjusting rod 57. Inside the main support frame 1, there is a sealing carrier cylinder 15. The middle part of the sealing carrier cylinder 15 has a glass installation groove 44. The anti-strong light glass 43 is inserted into the glass installation groove 44 and fixed. On both sides of the sealing carrier cylinder 15, there are inner air extraction platforms 16. Inside the inner air extraction platforms 16, there are inner air extraction inclined grooves 161. The inner air extraction inclined grooves 161 are inclined grooves with an inclination angle of 45°. Outside the inner air extraction platforms 16, there are outer air extraction platforms 17. Outside the inner air extraction inclined grooves 161, there are inner air extraction array holes 18. Multiple groups of inner air extraction array holes 18 are evenly arranged around the central axis of the sealing carrier cylinder 15. On the top of the outer air extraction platform 17, there is an air extraction pipe installation platform 19. One end of the air extraction pipe 20 is inserted into the air extraction pipe installation platform 19 and fixed. The other end of the air extraction pipe 20 is connected to an air extraction device. On one side of the outer air extraction platform 17 away from the middle part of the sealing carrier cylinder 15, there is a sealing block installation platform 21. The inner side of the sealing cylinder installation platform 14 is fixedly connected to the sealing block installation platform 21. Inside the sealing block installation platform 21, there is a sealing block installation groove 211. The sealing block installation groove 211 is adapted to the movable sealing block 24. The sealing block installation groove 211 is connected to the movable sealing block 24. The movable sealing block 24 slides inside the sealing block installation groove 211. On the side of the sealing block installation groove 211, there are sealing block limiting grooves 23. Multiple groups of sealing block limiting grooves 23 are evenly arranged around the central axis of the sealing carrier cylinder 15. On the top of the movable sealing block 24, there are sealing block limiting posts 53. The sealing block limiting posts 53 are adapted to the sealing block limiting grooves 23. The sealing block limiting posts 53 are connected to the sealing block limiting grooves 23. The sealing block limiting posts 53 slide inside the sealing block limiting grooves 23. On one side of the movable sealing block 24, there is a sealing block linkage slider 54. On the other side of the movable sealing block 24, there is a sealing block linkage chute 55. The sealing block linkage chute 55 is adapted to the sealing block linkage slider 54. The sealing block linkage chute 55 is connected to the sealing block linkage slider 54. The sealing block linkage slider 54 slides inside the sealing block linkage chute 55. The plane of the outer sealing extension cylinder 25 where the sealing block linkage chute 55 is located contacts the pipe to be cut 2. Inside the movable sealing block 24, there is an inner adjusting rod installation post 58. The sealing block installation groove 211 is adapted to the sealing block drive ring 51. The sealing block installation groove 211 is connected to the sealing block drive ring 51. The sealing block drive ring 51 rotates inside the sealing block installation groove 211. On the side of the sealing block drive ring 51, there are outer adjusting rod installation platforms 52. Multiple groups of outer adjusting rod installation platforms 52 are evenly arranged around the central axis of the sealing block drive ring 51. The number of outer adjusting rod installation platforms 52 is the same as the number of movable sealing blocks 24. One side of the sealing block adjusting rod 57 is rotatably connected to the outer adjusting rod installation platform 52. The other side of the sealing block adjusting rod 57 is rotatably connected to the inner adjusting rod installation post 58. On the side of the sealing block installation platform 21 facing the middle part of the sealing carrier cylinder 15, there is a ring motor platform 45.Multiple sets of toothed ring motor platforms 45 are arranged uniformly around the central axis of the sealed bearing cylinder 15. The toothed ring drive motor 46 is inserted and fixed inside the toothed ring motor platform 45. The transmission shaft of the toothed ring drive motor 46 passes through the seal block mounting platform 21 and is fixedly connected to the driving gear 56. The seal block driving toothed ring 51 meshes with the driving gear 56. On one side of the seal block mounting platform 21 away from the middle of the sealed bearing cylinder 15, there is an outer seal block mounting platform 22. An outer seal extension cylinder 25 is arranged on one side of the seal block mounting platform 21 away from the middle of the sealed bearing cylinder 15. On the side of the outer seal extension cylinder 25 close to the sealed bearing cylinder 15, there is an outer seal mounting cylinder 26. The outer seal mounting cylinder 26 is inserted and fixed inside the outer seal block mounting platform 22. On the side of the outer seal extension cylinder 25 away from the sealed bearing cylinder 15, there is an inner air blowing platform 27. Inside the inner air blowing platform 27, there is an inner air blowing inclined groove 271. The inner air blowing inclined groove 271 is an inclined groove with an inclination angle of 45°. Outside the inner air blowing inclined groove 271, there are inner air blowing array holes 29. Multiple sets of inner air blowing array holes 29 are arranged uniformly around the central axis of the outer seal extension cylinder 25. Outside the inner air blowing platform 27, there is an outer air blowing platform 28. On the top of the outer air blowing platform 28, there is an air blowing pipe mounting platform 30. One end of the air blowing pipe 31 is inserted and fixed inside the air blowing pipe mounting platform 30. The other end of the air blowing pipe 31 is connected to the air supply device.,

[0032] Embodiment 4: The plasma cutting mechanism 5 of the present invention includes a plasma cutting head 48, a cutting head lifting electric cylinder 49, a cutting head claw 50, and a high-pressure cold air spray head 60. At the bottom of the sealed bearing cylinder 15, there is an air spray head connection groove 59. The high-pressure cold air spray head 60 is inserted and fixed inside the air spray head connection groove 59. The end of the high-pressure cold air spray head 60 is connected to an air spraying device. At the top of the sealed bearing cylinder 15, there is a cutting head mounting platform 47. The cutting head lifting electric cylinder 49 is fixedly connected inside the cutting head mounting platform 47. The end of the telescopic rod at the bottom of the cutting head lifting electric cylinder 49 is fixedly connected to the cutting head claw 50. The plasma cutting head 48 is fixedly connected to the side of the cutting head claw 50. The plasma cutting head 48 corresponds to the position of the high-pressure cold air spray head 60.

[0033] Furthermore, the ring gear drive motor 46 drives the seal block drive ring gear 51 to rotate through the driving gear 56. The seal block drive ring gear 51 pulls the movable seal block 24 away from the central axis of the seal bearing cylinder 15 through the seal block adjusting rod 57. At this time, the clamping and feeding mechanism 3 can perform the feeding operation on the pipe to be cut 2. After the feeding of the pipe to be cut 2 is completed, the ring gear drive motor 46 drives the movable seal block 24 to approach the pipe to be cut 2 until the movable seal block 24 contacts the side surface of the pipe to be cut 2. Then, when the plasma cutting head 48 performs the plasma cutting operation on the pipe to be cut 2, the clamping and feeding mechanism 3 drives the pipe to be cut 2 to rotate to complete the circumferential cutting operation on the pipe to be cut 2. When the plasma cutting head 48 performs the circumferential cutting operation, the air extraction device connected to the air extraction pipe 20 is started, and the waste gas generated during the circumferential cutting operation by the plasma cutting head 48 is absorbed through the inner air extraction array holes 18 to prevent most of the waste gas from overflowing. At the same time, the air supply device connected to the air blowing pipe 31 is started, and the high-pressure gas is blown from the inner air blowing array holes 29 through the air blowing pipe 31 and the outer air blowing table 28 to the connection between the movable seal block 24 and the pipe to be cut 2, thereby further preventing the waste gas generated during the plasma cutting process from overflowing.

[0034] It should be noted that the movable seal block 24 array group can be freely opened and closed. When this device faces pipes to be cut 2 with different radii, the size of the opening of the movable seal block 24 array group can be freely changed to adapt to the pipe to be cut 2, thereby forming a relatively closed space, so that the waste gas generated during the plasma cutting operation by the plasma cutting mechanism 5 will not escape outward. At the same time, external disturbances are less likely to interfere with the plasma cutting operation of the plasma cutting mechanism 5, and it has good anti-interference performance. Cooperating with the air extraction pipe 20 for air extraction, the waste gas is recycled to prevent the waste gas from polluting the external environment, and to avoid the staff inhaling the waste gas and affecting their physical health during the processing and installation of outdoor LED display screens.

[0035] It should also be noted that by the cooperation of jetting air outward through the air blowing pipe 31 and sucking air inward through the air extraction pipe 20, an air flow towards the middle of the pipe to be cut 2 is formed at the contact between the movable seal block 24 and the pipe to be cut 2, thereby further preventing the waste gas generated during the plasma cutting process by the plasma cutting mechanism 5 from escaping outward through the gap between the movable seal block 24 and the pipe to be cut 2, and the sealing effect is better.

[0036] It should also be noted that a high-pressure cold air nozzle 60 is provided at the bottom of the pipe 2 to be cut. When the plasma cutting head 48 performs plasma cutting on the pipe 2 to be cut, the high-speed air flow generated by the plasma cutting head 48 drives some waste gas to splash on the lower side of the inner wall of the pipe 2 to be cut. The high-pressure cold air nozzle 60 sprays low-temperature gas at the bottom of the pipe 2 to be cut to cool the bottom of the pipe 2 to be cut, so that the waste gas splashed inside the pipe 2 to be cut by the plasma cutting head 48 will be concentrated and sublimated at the inner wall of the pipe 2 corresponding to the high-pressure cold air nozzle 60, so that the waste residue sublimated from the waste gas is more concentratedly distributed at the cut of the pipe 2 to be cut, which is convenient for subsequent cleaning of the waste residue at the cut during the processing and installation of outdoor LED display screens.

[0037] It should also be noted that the high-pressure cold air nozzle 60 cools the cut of the pipe 2 to be cut. At the same time, when the clamping and feeding mechanism 3 discharges the cut pipe 2 to be cut outwards, the cut of the pipe 2 to be cut will be further cooled by the influence of the air flow when passing through the inner air extraction inclined groove 161 and the inner air blowing inclined groove 271, so as to effectively avoid the high temperature at the cut of the pipe 2 to be cut after cutting from burning the bearing roller 40 of the clamping and feeding mechanism 3, ensuring the safety during the discharging process during the processing of outdoor LED display screens, achieving accurate cutting overall, with neat cut and good quality, preventing uneven cutting edges and burrs. The high-pressure cold air nozzle 60 sprays low-temperature gas towards the bottom of the pipe 2 to be cut to reduce the temperature of the cutting area, so that the molten slag solidifies quickly and adheres to the cut port concentratedly. At the same time, the inner air extraction inclined groove 161 cooperates with the air extraction pipe 20 to extract the high-temperature waste gas generated by cutting through the inner air extraction array holes 18 from the sealed space, avoiding the retention of waste gas from affecting the stability of the cutting arc. The air blowing pipe 31 sprays high-pressure gas through the inner air blowing array holes 29 towards the contact area between the movable seal block 24 and the pipe body to form an air flow barrier towards the middle of the pipe body, reducing the disturbance of the external air, ensuring the concentration of the plasma arc, avoiding rough cutting edges, and reducing edge melting collapse and burrs caused by high temperature. The closed cutting space is formed by the sliding fit of the seal block limiting column 53 and the seal block limiting groove 23. The negative pressure of the air extraction pipe 20 and the positive pressure of the air blowing pipe 31 form an air flow cycle. On the one hand, the molten slag particles generated by cutting are extracted along with the waste gas, and on the other hand, the molten slag is prevented from accumulating at the cut, preventing slag hanging phenomenon from the source. The low-temperature air flow of the high-pressure cold air nozzle 60 not only reduces the cut temperature, but also makes the molten slag splashed onto the inner wall of the pipe body during cutting sublimate quickly in the low-temperature area. After the pipe 2 to be cut is cut, the clamping and feeding mechanism 3 drives the pipe body to move outwards. When the cut passes through the inner air extraction inclined groove 161 and the inner air blowing inclined groove 271, the air flow further blows away the attached residual molten slag to prevent coking. The cooperation of the sealed space and the air flow cycle, through the precise linkage of the above components, forms a full-process control from positioning, cutting, cooling to molten slag treatment, effectively solving problems such as uneven cutting edges, burrs, coking and slag hanging.

[0038] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. It should be noted that for those of ordinary skill in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An outdoor LED display installation device, characterized in that : It includes a main support frame (1) and a pipe to be cut (2). Inside the main support frame (1), there are a clamping and feeding mechanism (3) and a sealing mechanism (4). The sealing mechanism (4) is in the central position, and the clamping and feeding mechanisms (3) are distributed on both sides of the sealing mechanism (4). Inside the sealing mechanism (4), there is a plasma cutting mechanism (5). The clamping and feeding mechanism (3) is internally connected to the pipe to be cut (2). The plasma cutting mechanism (5) performs cutting operations on the pipe to be cut (2). The sealing mechanism (4) prevents the waste gas generated during the cutting process of the plasma cutting mechanism (5) from escaping and also recovers the waste gas. The clamping and feeding mechanism (3) drives the pipe to be cut (2) for automatic positioning and feeding. At the same time, the clamping and feeding mechanism (3) also drives the pipe to be cut (2) to rotate during the plasma cutting process of the plasma cutting mechanism (5) to assist the plasma cutting mechanism (5) to complete the circumferential cutting operation.

2. The outdoor LED display installation device according to claim 1, characterized in that : The clamping and feeding mechanism (3) includes a clamping frame support lifting hydraulic cylinder (13), a linkage slider (33), a linkage rod (34), a carrier roller (40), and a carrier roller drive motor (42). Inside the main support frame (1), there is an inner support groove (101). In the middle of the inner support groove (101), there is a sealing cylinder mounting platform (14). On both sides of the inner support groove (101), there are linkage block mounting slides (32). The linkage slider (33) is adapted to the linkage block mounting slide (32). The linkage slider (33) is connected to the linkage block mounting slide (32). The linkage slider (33) slides on the outside of the linkage block mounting slide (32). On both sides of the linkage slider (33), there are outer linkage rod connection ears (38). Inside the main support frame (1), there is a pipe to be cut (2). At the bottom of the pipe to be cut (2), there is a lower roller support frame (352). At the top of the pipe to be cut (2), there is an upper roller support frame (351). On both sides of the upper roller support frame (351) and the lower roller support frame (352), there are inner linkage rod connection platforms (36).

3. The outdoor LED display installation device according to claim 2, characterized in that : On the side of the inner linkage rod connection platform (36), there is an inner linkage rod connection ear (37). One side of the linkage rod (34) is rotatably connected to the inner linkage rod connection ear (37), and the other side of the linkage rod (34) is rotatably connected to the outer linkage rod connection ear (38). Inside both the upper roller support frame (351) and the lower roller support frame (352), there is a V-shaped carrier groove (353). Inside the V-shaped carrier groove (353), there is an array group of four carrier roller mounting grooves (39). The included angles between the four array groups of carrier roller mounting grooves (39) are all 90°. The carrier roller mounting groove (39) is rotatably connected to the carrier roller (40). On the side of the V-shaped carrier groove (353), there is a carrier roller motor groove (41). The carrier roller motor groove (41) corresponds to the position of the carrier roller mounting groove (39). The carrier roller drive motor (42) is inserted into the carrier roller motor groove (41) and fixed. The transmission shaft of the carrier roller drive motor (42) is fixedly connected to the carrier roller (40). The carrier roller (40) presses against the surface of the pipe to be cut (2).

4. The outdoor LED display installation device according to claim 3, wherein : The top of the inner support groove (101) has a clamping frame positioning cylinder (12). The top of the upper roller support frame (351) has a clamping frame positioning rod (11). The clamping frame positioning rod (11) is adapted to the clamping frame positioning cylinder (12). The clamping frame positioning rod (11) is connected to the clamping frame positioning cylinder (12). The clamping frame positioning rod (11) slides inside the clamping frame positioning cylinder (12). The bottom of the lower roller support frame (352) is provided with a support frame lifting hydraulic cylinder (13). The bottom of the support frame lifting hydraulic cylinder (13) is connected to the inner support groove (101). The top of the support frame lifting hydraulic cylinder (13) is connected to the lower roller support frame (352).

5. The installation device of an outdoor LED display screen according to claim 1, characterized in that : The sealing mechanism (4) includes a sealing carrier cylinder (15), an air extraction pipe (20), a movable sealing block (24), an outer sealing extension cylinder (25), a tooth ring drive motor (46), a blowing pipe (31), an anti-glare glass (43), a sealing block drive tooth ring (51), a driving gear (56), and a sealing block adjusting rod (57). The main support frame (1) is internally provided with a sealing carrier cylinder (15). The middle of the sealing carrier cylinder (15) has a glass installation groove (44). The anti-glare glass (43) is inserted into the glass installation groove (44) and fixed. Both sides of the sealing carrier cylinder (15) have inner air extraction platforms (16). The inner air extraction platforms (16) have inner air extraction inclined grooves (161). The inner air extraction inclined grooves (161) are inclined grooves with a 45° inclination angle. The outer side of the inner air extraction platform (16) has an outer air extraction platform (17). The outer side of the inner air extraction inclined groove (161) has inner air extraction array holes (18). Multiple groups of inner air extraction array holes (18) are evenly arranged around the central axis of the sealing carrier cylinder (15). The top of the outer air extraction platform (17) has an air extraction pipe installation platform (19). One end of the air extraction pipe (20) is inserted into the air extraction pipe installation platform (19) and fixed. The other end of the air extraction pipe (20) is connected to an air extraction device. One side of the outer air extraction platform (17) away from the middle of the sealing carrier cylinder (15) has a sealing block installation platform (21). The inner side of the sealing cylinder installation platform (14) is fixedly connected to the sealing block installation platform (21).

6. The outdoor LED display installation device according to claim 5, characterized in that : The inside of the seal block mounting table (21) has a seal block mounting groove (211), which is adapted to the movable seal block (24). The seal block mounting groove (211) is connected to the movable seal block (24), and the movable seal block (24) slides inside the seal block mounting groove (211). The side of the seal block mounting groove (211) has a seal block limiting groove (23). Multiple groups of seal block limiting grooves (23) are evenly arranged around the central axis of the seal bearing cylinder (15). The top of the movable seal block (24) has a seal block limiting post (53), which is adapted to the seal block limiting groove (23). The seal block limiting post (53) is connected to the seal block limiting groove (23), and the seal block limiting post (53) slides inside the seal block limiting groove (23). One side of the movable seal block (24) has a seal block linkage slider (54), and the other side of the movable seal block (24) has a seal block linkage chute (55). The seal block linkage chute (55) is adapted to the seal block linkage slider (54). The seal block linkage chute (55) is connected to the seal block linkage slider (54), and the seal block linkage slider (54) slides inside the seal block linkage chute (55). The plane of the outer seal extension cylinder (25) where the seal block linkage chute (55) is located contacts the pipe to be cut (2).

7. The outdoor LED display installation device according to claim 6, characterized in that : The inside of the movable seal block (24) has an inner adjusting rod mounting post (58). The seal block mounting groove (211) is adapted to the seal block driving gear ring (51). The seal block mounting groove (211) is connected to the seal block driving gear ring (51), and the seal block driving gear ring (51) rotates inside the seal block mounting groove (211). The side of the seal block driving gear ring (51) has an outer adjusting rod mounting table (52). Multiple groups of outer adjusting rod mounting tables (52) are evenly arranged around the central axis of the seal block driving gear ring (51). The number of outer adjusting rod mounting tables (52) is the same as the number of movable seal blocks (24). One side of the seal block adjusting rod (57) is rotatably connected to the outer adjusting rod mounting table (52), and the other side of the seal block adjusting rod (57) is rotatably connected to the inner adjusting rod mounting post (58).

8. The outdoor LED display installation device according to claim 7, characterized in that : One side of the seal block installation table (21) facing the middle of the seal bearing cylinder (15) has a ring gear motor table (45). Multiple groups of ring gear motor tables (45) are evenly arranged around the central axis of the seal bearing cylinder (15). The ring gear drive motor (46) is inserted and fixed inside the ring gear motor table (45). The transmission shaft of the ring gear drive motor (46) passes through the seal block installation table (21) and is fixedly connected to the driving gear (56). The seal block drive ring (51) meshes with the driving gear (56). One side of the seal block installation table (21) away from the middle of the seal bearing cylinder (15) has an outer seal block installation table (22). An outer seal extension cylinder (25) is provided on the side of the seal block installation table (21) away from the middle of the seal bearing cylinder (15). One side of the outer seal extension cylinder (25) close to the seal bearing cylinder (15) has an outer seal installation cylinder (26). The outer seal installation cylinder (26) is inserted and fixed inside the outer seal block installation table (22). One side of the outer seal extension cylinder (25) away from the seal bearing cylinder (15) has an inner air blowing table (27).

9. The outdoor LED display installation device according to claim 8, characterized in that : The inner air blowing table (27) has an inner air blowing inclined groove (271) inside. The inner air blowing inclined groove (271) is an inclined groove with an inclination angle of 45°. Inner air blowing array holes (29) are provided outside the inner air blowing inclined groove (271). Multiple groups of inner air blowing array holes (29) are evenly arranged around the central axis of the outer seal extension cylinder (25). An outer air blowing table (28) is provided outside the inner air blowing table (27). A blowpipe installation table (30) is provided at the top of the outer air blowing table (28). One end of the blowpipe (31) is inserted and fixed inside the blowpipe installation table (30). The other end of the blowpipe (31) is connected to the air supply device.

10. The outdoor LED display installation device according to claim 1, characterized in that : The plasma cutting mechanism (5) includes a plasma cutting head (48), a cutting head lifting electric cylinder (49), a cutting head claw (50), and a high-pressure cold air nozzle (60). A jet head connection groove (59) is provided at the bottom of the seal bearing cylinder (15). The high-pressure cold air nozzle (60) is inserted and fixed inside the jet head connection groove (59). The end of the high-pressure cold air nozzle (60) is connected to a jet device. A cutting head installation table (47) is provided at the top of the seal bearing cylinder (15). The cutting head lifting electric cylinder (49) is fixedly connected inside the cutting head installation table (47). The end of the telescopic rod at the bottom of the cutting head lifting electric cylinder (49) is fixedly connected to the cutting head claw (50). The plasma cutting head (48) is fixedly connected to the side of the cutting head claw (50). The plasma cutting head (48) corresponds to the position of the high-pressure cold air nozzle (60).

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