Laser rapid forming machine for machining tire burst emergency safety device

Abstract

The invention relates to the technical field of tire burst emergency safety device machining, and discloses a laser rapid forming machine for tire burst emergency safety device machining, which comprises a rack and a laser head, a first fixing plate is fixedly mounted in the rack, and a scanning forming mechanism is arranged at the top end of the first fixing plate; mounting grooves are symmetrically formed in the two sides of the top end of the first fixing plate, powder hoppers are fixedly mounted in the two mounting grooves, powder discharging mechanisms are arranged at the bottom ends of the powder hoppers, a second fixing plate is fixedly mounted in the rack, and a powder spreading mechanism is arranged at the top end of the second fixing plate; by arranging the scanning forming mechanism and the second sliding groove, the two laser heads conduct sintering forming on powder at the same time, and the sintering forming efficiency is improved; and meanwhile, the forming groove is formed and is a semi-annular groove, the appearance of the tire burst emergency safety device is met, the amount of powder needed during powder laying is reduced, and the utilization rate of the powder is increased.

Description

Technical Field

[0001] The invention relates to the technical field of tire blowout emergency safety device processing, in particular to a laser rapid prototyping machine for tire blowout emergency safety device processing. Background Art

[0002] A tire blowout emergency safety device is a device installed inside a vehicle tire or on a wheel. It is mainly used to ensure that the vehicle can maintain a certain stability and controllability in an emergency situation when a vehicle tire suddenly blows out, thereby reducing the risk of an accident. There are two main structures: an internal support body and a bundled auxiliary wheel. A tire blowout emergency safety device usually has a complex geometric shape and may be composed of multiple parts. Traditional processing methods may require the manufacture of each part separately before assembly, which not only increases the process and cost, but may also cause assembly accuracy problems. Therefore, a laser rapid prototyping machine is used to process the tire blowout emergency safety device. The laser rapid prototyping machine is a device that uses laser technology, computer-aided design technology, automatic control technology, and new material technology to directly shape and quickly manufacture product models. The laser rapid prototyping machine can achieve integrated manufacturing and form multiple parts at one time, which improves the overall strength and reliability of the device and reduces assembly errors.

[0003] The existing laser rapid prototyping machine sintered powder materials through a laser head, and the forming efficiency was low. Meanwhile, a large amount of powder materials needed to be laid inside the forming groove, which reduced the utilization rate of the powder materials. Summary of the invention

[0004] The object of the present invention is to provide a laser rapid prototyping machine for processing a tire blowout emergency safety device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A laser rapid prototyping machine for processing a tire blowout emergency safety device, comprising a frame and a laser head, a first fixed plate fixedly installed inside the frame, a scanning and forming mechanism is arranged at the top of the first fixed plate, mounting grooves are symmetrically provided on both sides of the top of the first fixed plate, powder hoppers are fixedly installed inside the two mounting grooves, a powder outlet mechanism is arranged at the bottom end of the powder hopper, a second fixed plate fixedly installed inside the frame, and a powder spreading mechanism is arranged at the top of the second fixed plate.

[0006] As a further improvement of the above scheme, the scanning and forming mechanism includes a first hydraulic cylinder, a fixed block, a spring, a connecting block and a connecting rod, the first hydraulic cylinder is fixedly installed on the top of the first fixed plate, the telescopic end of the first hydraulic cylinder is fixedly connected to the fixed block, both ends of the fixed block are provided with connecting grooves, the insides of the two connecting grooves are fixedly connected with the springs, the end of the spring away from the first hydraulic cylinder is fixedly connected to the connecting block, the bottom end of the connecting block is fixedly connected to the connecting rod, the bottom end of the connecting rod is fixedly connected to the laser head, the bottom end of the fixed block is symmetrically provided with a first slide groove, the top end of the first slide groove is connected to the connecting groove, and the inside of the first slide groove is slidably connected to the connecting rod.

[0007] As a further improvement of the above scheme, the powder discharge mechanism includes a rotating rod, a sealing plate and a torsion spring. Connection holes are provided on the front and rear sides of the bottom end of the powder hopper. The rotating rods are rotatably connected inside the two connecting holes. The sealing plate is fixedly connected between the two rotating rods. The sealing plate is matched with the bottom end of the powder hopper. The outer surface of the rotating rod is covered with the torsion spring, one end of the torsion spring is fixedly connected to the outer wall of the rotating rod, and the other end of the torsion spring is fixedly connected to the outer wall of the powder hopper. The end of the rotating rod away from the powder hopper is fixedly connected to a gear.

[0008] As a further improvement of the above scheme, the powder spreading mechanism includes a U-shaped frame, a servo motor, a threaded rod, a moving block, a powder spreading frame and a powder spreading roller, the U-shaped frame is symmetrically installed on the front and rear sides of the top end of the second fixed plate, the servo motor is fixedly installed inside the U-shaped frame, the output end of the servo motor is connected to the threaded rod through a coupling, the outer surface of the threaded rod is threadedly connected to the moving block, the powder spreading frame is fixedly connected between the two moving blocks, the powder spreading roller is rotatably connected to the inside of the powder spreading frame through a rotating shaft, the bottom end of the powder spreading roller is flush with the bottom end of the powder spreading frame, scrapers are fixedly connected on both sides of the bottom end of the powder spreading frame, the bottom end of the scraper is flush with the top end of the second fixed plate, the top of the moving block is fixedly connected to a rack, and the top of the rack is meshed with the gear.

[0009] As a further improvement to the above solution, the first fixing plate is symmetrically provided with a second sliding groove, the second sliding groove is a semi-annular groove, and the laser head is slidably connected inside the second sliding groove.

[0010] As a further improvement to the above solution, the second fixed plate is symmetrically provided with a forming groove and a collecting groove, the two forming grooves are both semi-annular grooves, and the two collecting grooves are respectively located outside the bottom ends of the two powder hoppers.

[0011] As a further improvement of the above scheme, a forming box is slidably installed on the bottom end of the second fixed plate, a second hydraulic cylinder is fixedly connected to the inner bottom end of the forming box, a forming table is fixedly connected to the bottom end of the second hydraulic cylinder, a support block is fixedly arranged inside the forming box, the top end of the support block is higher than the top end of the second hydraulic cylinder, and a first handle is fixedly connected to the front side of the forming box.

[0012] As a further improvement to the above solution, collection boxes are slidably mounted on both sides of the bottom end of the second fixed plate, the collection boxes are located directly below the collection trough, and a second handle is fixedly connected to the front side of the collection box.

[0013] As a further improvement of the above scheme, a first protective door and two second protective doors are hinged on the front side of the frame, the first protective door is located on the front side of the forming box, the two second protective doors are respectively located on the front sides of the two collecting boxes, the front side of the first protective door is fixedly connected to a third handle, and the front side of the second protective door is fixedly connected to a fourth handle.

[0014] As a further improvement to the above solution, a third protective door is hinged on the top front side of the frame, an observation window, a display screen and several control buttons are fixedly connected to the front side of the third protective door, and a fifth handle is fixedly connected to the front side of the third protective door.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention sets a scanning forming mechanism and a second slide groove, the second slide groove is a semi-annular groove, starts the first hydraulic cylinder, the first hydraulic cylinder drives the fixed block to move, the fixed block drives the connecting block to move, during the movement, under the action of the spring, the connecting rod moves inside the first slide groove, so that the connecting block drives the laser head to move inside the second slide groove through the connecting rod, and the powder is sintered and formed by two laser heads at the same time, thereby improving the sintering forming efficiency; at the same time, by setting a forming groove, the forming groove is a semi-annular groove, which conforms to the shape of the tire burst emergency safety device, reduces the amount of powder required for spreading powder, and improves the utilization rate of the powder.

[0016] 2. The present invention sets a powder discharge mechanism. When the moving block drives the rack to move to the lower side of the gear, the gear rotates as the rack moves, and the gear drives the sealing plate to rotate through the rotating rod, so that the powder inside the powder hopper can enter the powder spreading frame. Then the powder spreading operation is performed, and the rack drives the gear to rotate in the opposite direction, and the gear drives the sealing plate to rotate in the opposite direction through the rotating rod. The bottom end of the powder hopper is sealed by the sealing plate to prevent the powder from flowing out of the bottom end of the powder hopper. Under the action of the torsion spring, the sealing effect of the sealing plate on the bottom end of the powder hopper is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a structural front view of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure inside the frame of the present invention; Figure 4 for Figure 3 A schematic diagram of the three-dimensional structure after removing the powder hopper and the powder discharging mechanism; Figure 5 It is a three-dimensional structural schematic diagram of the powder hopper, the powder discharging mechanism and the powder spreading mechanism in the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the powder spreading mechanism in the present invention; Figure 7 This is an internal cross-sectional view of the powder spreading frame of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the powder hopper in the present invention; Fig. 9 It is a side view of the internal structure of the powder hopper in the present invention; Fig.10 It is a three-dimensional structural schematic diagram of the scanning forming mechanism in the present invention; Fig.11 It is a front view of the internal structure of the fixing block in the present invention; Fig.12 It is a front view of the internal structure of the forming box in the present invention; Fig.13 This is a schematic diagram of the three-dimensional structure of the tire blowout emergency safety device produced by the present invention.

[0019] In the figure: 1, frame; 2, laser head; 3, first fixed plate; 4, scanning forming mechanism; 41, first hydraulic cylinder; 42, fixed block; 43, connecting groove; 44, spring; 45, connecting block; 46, connecting rod; 47, first slide groove; 5, mounting groove; 6, powder hopper; 7, powder discharge mechanism; 71, connecting hole; 72, rotating rod; 73, sealing plate; 74, torsion spring; 75, gear; 76, powder drop plate; 8, second fixed plate; 9, powder spreading mechanism; 91, U-shaped frame; 92, servo motor; 93, threaded rod; 94 , moving block; 95, powder spreading frame; 96, powder spreading roller; 97, scraper; 98, rack; 10, second slide; 11, forming trough; 12, collecting trough; 13, forming box; 14, second hydraulic cylinder; 15, forming table; 16, supporting block; 17, first handle; 18, collecting box; 19, second handle; 20, first protective door; 21, second protective door; 22, third handle; 23, fourth handle; 24, third protective door; 25, observation window; 26, display screen; 27, control button; 28, fifth handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0021] A laser rapid prototyping machine for processing emergency safety devices for tire bursts, such as Figure 1-13 As shown, it includes a frame 1 and a laser head 2, a first fixed plate 3 is fixedly installed inside the frame 1, a scanning forming mechanism 4 is arranged on the top of the first fixed plate 3, mounting grooves 5 are symmetrically provided on both sides of the top of the first fixed plate 3, powder hoppers 6 are fixedly installed inside the two mounting grooves 5, the powder hoppers 6 are filled with powder required for forming the tire burst emergency safety device, a powder discharge mechanism 7 is arranged at the bottom end of the powder hopper 6, a second fixed plate 8 is fixedly installed inside the frame 1, a powder spreading mechanism 9 is arranged on the top of the second fixed plate 8, the powder is evenly spread by the powder spreading mechanism 9, and then the spread powder is sintered and formed by the scanning forming mechanism 4.

[0022] like Figure 4 , Fig.10 , Fig.11As shown, the scanning and forming mechanism 4 includes a first hydraulic cylinder 41, a fixed block 42, a spring 44, a connecting block 45 and a connecting rod 46. The first hydraulic cylinder 41 is fixedly installed on the top of the first fixed plate 3, and the telescopic end of the first hydraulic cylinder 41 is fixedly connected to the fixed block 42. Connecting grooves 43 are provided at both ends of the fixed block 42, and springs 44 are fixedly connected inside the two connecting grooves 43. The end of the spring 44 away from the first hydraulic cylinder 41 is fixedly connected to the connecting block 45, and the bottom end of the connecting block 45 is fixedly connected to the connecting rod 46. The bottom end of the connecting rod 46 is fixedly connected to the laser head 2. The bottom end of the fixed block 42 is symmetrically provided with a first slide groove 47, the top of the first slide groove 47 is connected to the connecting groove 43, and the inside of the first slide groove 47 is slidably connected to the connecting rod 46. The first fixed plate 3 is symmetrically provided with a second slide groove 10, which is a semi-annular groove. The laser head 2 is slidably connected inside the second slide groove 10. The first hydraulic cylinder 41 is started, and the first hydraulic cylinder 41 drives the fixed block 42 to move, and the fixed block 42 drives the connecting block 45 to move. During the movement, under the action of the spring 44, the connecting rod 46 moves inside the first slide groove 47, so that the connecting block 45 drives the laser head 2 to move inside the second slide groove 10 through the connecting rod 46, and the powder is sintered and formed by two laser heads at the same time, thereby improving the sintering efficiency.

[0023] like Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, the powder spreading mechanism 9 includes a U-shaped frame 91, a servo motor 92, a threaded rod 93, a moving block 94, a powder spreading frame 95 and a powder spreading roller 96. The U-shaped frame 91 is symmetrically installed on the front and rear sides of the top of the second fixed plate 8. The servo motor 92 is fixedly installed inside the U-shaped frame 91. The output end of the servo motor 92 is connected to the threaded rod 93 through a coupling. The outer surface of the threaded rod 93 is threadedly connected to the moving block 94. The powder spreading frame 95 is fixedly connected between the two moving blocks 94. The inside of the powder spreading frame 95 is rotatably connected to the powder spreading roller 96 through a rotating shaft. The bottom end of the powder spreading roller 96 is flush with the bottom end of the powder spreading frame 95. Scrapers 9 are fixedly connected on both sides of the bottom end of the powder spreading frame 95. 7. The bottom end of the scraper 97 is flush with the top end of the second fixed plate 8. The second fixed plate 8 is symmetrically provided with a forming groove 11 and a collecting groove 12. Both forming grooves 11 are semi-annular grooves, which conform to the appearance of the tire burst emergency safety device, reduce the amount of powder required for spreading powder, and improve the utilization rate of the powder; start the servo motor 92, the servo motor 92 drives the threaded rod 93 to rotate, the threaded rod 93 drives the moving block 94 to move left and right, the moving block 94 drives the powder spreading frame 95 to move, and during the movement of the powder spreading frame 95, the powder spreading roller 96 rotates inside the powder spreading frame 95, so that the powder inside the powder spreading frame 95 is evenly spread inside the forming groove 11.

[0024] like Figure 1, Figure 2 , Figure 3 , Figure 4 As shown, the two collecting troughs 12 are respectively located outside the bottom ends of the two powder hoppers 6. A forming box 13 is slidably mounted on the bottom end of the second fixed plate 8, a second hydraulic cylinder 14 is fixedly connected to the bottom end of the forming box 13, a forming table 15 is fixedly connected to the bottom end of the second hydraulic cylinder 14, a support block 16 is fixedly arranged inside the forming box 13, the top end of the support block 16 is higher than the top end of the second hydraulic cylinder 14, and a first handle 17 is fixedly connected to the front side of the forming box 13. Collection boxes 18 are slidably mounted on both sides of the bottom end of the second fixed plate 8, the collection box 18 is located directly below the collecting trough 12, and a second handle 19 is fixedly connected to the front side of the collection box 18. A first protective door 20 and two second protective doors 21 are hingedly connected to the front side of the frame 1, the first protective door 20 is located at the front side of the forming box 13, the two second protective doors 21 are respectively located at the front sides of the two collecting boxes 18, the front side of the first protective door 20 is fixedly connected to the third handle 22, and the front side of the second protective door 21 is fixedly connected to the fourth handle 23. A third protective door 24 is hinged at the top of the front side of the frame 1. An observation window 25, a display screen 26 and a plurality of control buttons 27 are fixedly connected to the front side of the third protective door 24. The staff can observe the sintering forming process through the observation window 25. A fifth handle 28 is fixedly connected to the front side of the third protective door 24. The third protective door 24 is opened by the fifth handle 28, which is convenient for repairing and replacing the device inside the frame 1 and replenishing powder into the powder hopper 6. The first protective door 20 is opened by the third handle 22, and the forming box 13 is pulled out by the first handle 17. The second hydraulic cylinder 14 is started, and the second hydraulic cylinder 14 drives the forming table 15 to move upward, so that the staff can take out the tire burst emergency safety device that has been formed on the top of the forming table 15; the scraper 97 discharges the excess powder into the collecting box 18 through the collecting trough 12, and the second protective door 21 is opened by the fourth handle 23, and the collecting box 18 is pulled out by the second handle 19, and the powder inside the collecting box 18 is recycled.

[0025] When Example 1 is working, the servo motor 92 is started, the servo motor 92 drives the threaded rod 93 to rotate, the threaded rod 93 drives the moving block 94 to move left and right, and the moving block 94 drives the powder spreading frame 95 to move. During the movement of the powder spreading frame 95, the powder spreading roller 96 rotates inside the powder spreading frame 95, so that the powder inside the powder spreading frame 95 is evenly spread inside the forming groove 11, and the scrapers 97 on both sides of the bottom end of the powder spreading frame 95 discharge the excess powder into the collection box 18 through the collection groove 12. The second protective door 21 is opened by the fourth handle 23, and the collection box 18 is pulled out by the second handle 19 to return the powder inside the collection box 18. After the first hydraulic cylinder 41 is collected and utilized, the first hydraulic cylinder 41 drives the fixed block 42 to move, and the fixed block 42 drives the connecting block 45 to move. During the movement, under the action of the spring 44, the connecting rod 46 moves inside the first slide 47, so that the connecting block 45 drives the laser head 2 to move inside the second slide 10 through the connecting rod 46, and the laser head 2 sintering the powder inside the forming groove 11, and after the sintering is completed, the second hydraulic cylinder 14 is started, and the second hydraulic cylinder 14 drives the forming table 15 to move downward by the height of the forming groove 11, and the above operation is repeated until the tire burst emergency safety device is processed. The first protective door 20 is opened by the third handle 22, and the forming box 13 is pulled out by the first handle 17, and the second hydraulic cylinder 14 is started, and the second hydraulic cylinder 14 drives the forming table 15 to move upward, so that the staff can take out the tire burst emergency safety device that has been formed on the top of the forming table 15. Example 2

[0026] Embodiment 2 is based on embodiment 1, as Figure 5 , Figure 6 , Figure 8 , Fig. 9 As shown, the powder discharging mechanism 7 includes a rotating rod 72, a sealing plate 73 and a torsion spring 74. Connection holes 71 are provided on both the front and rear sides of the bottom end of the powder hopper 6. The insides of the two connecting holes 71 are rotatably connected to the rotating rods 72. A sealing plate 73 is fixedly connected between the two rotating rods 72. The sealing plate 73 is matched with the bottom end of the powder hopper 6. A torsion spring 74 is sleeved on the outer surface of the rotating rod 72. One end of the torsion spring 74 is fixedly connected to the outer wall of the rotating rod 72, and the other end of the torsion spring 74 is fixedly connected to the outer wall of the powder hopper 6. The end of the rotating rod 72 away from the powder hopper 6 is fixedly connected to a gear 75. The top of the moving block 94 is fixedly connected to a rack 98, and the top of the rack 98 is meshed with the gear 75.

[0027] When Example 2 is working, when the moving block 94 drives the rack 98 to move to the lower side of the gear 75, the gear 75 rotates with the movement of the rack 98, and the gear 75 drives the sealing plate 73 to rotate through the rotating rod 72, so that the powder inside the powder hopper 6 can enter the powder spreading frame 95, and then the powder spreading operation is performed, the rack 98 drives the gear 75 to rotate in the opposite direction, and the gear 75 drives the sealing plate 73 to rotate in the opposite direction through the rotating rod 72, and the bottom end of the powder hopper 6 is sealed by the sealing plate 73 to prevent the powder from flowing out from the bottom end of the powder hopper 6. Under the action of the torsion spring 74, the sealing effect of the sealing plate 73 on the bottom end of the powder hopper 6 is improved.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laser rapid prototyping machine for processing a tire blowout emergency safety device, comprising a frame (1) and a laser head (2), characterized in that: A first fixing plate (3) is fixedly installed inside the frame (1), a scanning and forming mechanism (4) is arranged at the top of the first fixing plate (3), mounting grooves (5) are symmetrically provided on both sides of the top of the first fixing plate (3), a powder hopper (6) is fixedly installed inside the two mounting grooves (5), a powder discharge mechanism (7) is arranged at the bottom end of the powder hopper (6), and a second fixing plate (8) is fixedly installed inside the frame (1), and a powder spreading mechanism (9) is arranged at the top of the second fixing plate (8).

2. The laser rapid prototyping machine for processing a tire burst emergency safety device according to claim 1, characterized in that: The scanning and forming mechanism (4) comprises a first hydraulic cylinder (41), a fixed block (42), a spring (44), a connecting block (45) and a connecting rod (46); the first hydraulic cylinder (41) is fixedly mounted on the top of the first fixed plate (3); the telescopic end of the first hydraulic cylinder (41) is fixedly connected to the fixed block (42); both ends of the fixed block (42) are provided with connecting grooves (43); the insides of the two connecting grooves (43) are fixedly connected with the springs (44); the end of the spring (44) away from the first hydraulic cylinder (41) is fixedly connected to the connecting block (45); the bottom end of the connecting block (45) is fixedly connected to the connecting rod (46); the bottom end of the connecting rod (46) is fixedly connected to the laser head (2); the bottom end of the fixed block (42) is symmetrically provided with first slide grooves (47); the top end of the first slide groove (47) is connected to the connecting groove (43); the inside of the first slide groove (47) is slidably connected with the connecting rod (46).

3. The laser rapid prototyping machine for processing a tire blowout emergency safety device according to claim 1, characterized in that: The powder discharging mechanism (7) comprises a rotating rod (72), a sealing plate (73) and a torsion spring (74). The bottom end of the powder hopper (6) is provided with connecting holes (71) on both the front and rear sides. The insides of the two connecting holes (71) are rotatably connected to the rotating rods (72). The sealing plate (73) is fixedly connected between the two rotating rods (72). The sealing plate (73) is matched with the bottom end of the powder hopper (6). The outer surface of the rotating rod (72) is sleeved with the torsion spring (74). One end of the torsion spring (74) is fixedly connected to the outer wall of the rotating rod (72), and the other end of the torsion spring (74) is fixedly connected to the outer wall of the powder hopper (6). The end of the rotating rod (72) away from the powder hopper (6) is fixedly connected to a gear (75).

4. The laser rapid prototyping machine for processing a tire blowout emergency safety device according to claim 3, characterized in that: The powder spreading mechanism (9) comprises a U-shaped frame (91), a servo motor (92), a threaded rod (93), a moving block (94), a powder spreading frame (95) and a powder spreading roller (96); the U-shaped frame (91) is symmetrically mounted on the front and rear sides of the top end of the second fixed plate (8); the servo motor (92) is fixedly mounted inside the U-shaped frame (91); the output end of the servo motor (92) is connected to the threaded rod (93) via a coupling; the outer surface of the threaded rod (93) is threadedly connected to the moving block (94); the two moving blocks (95) are connected to the second fixed plate (8); The powder spreading frame (95) is fixedly connected between the movable blocks (94), and the powder spreading roller (96) is rotatably connected to the inside of the powder spreading frame (95) via a rotating shaft, and the bottom end of the powder spreading roller (96) is flush with the bottom end of the powder spreading frame (95). Scrapers (97) are fixedly connected to both sides of the bottom end of the powder spreading frame (95), and the bottom end of the scraper (97) is flush with the top end of the second fixed plate (8). A rack (98) is fixedly connected to the top end of the movable block (94), and the top end of the rack (98) is meshed with the gear (75).

5. The laser rapid prototyping machine for processing a tire blowout emergency safety device according to claim 2, characterized in that: The first fixing plate (3) is symmetrically provided with a second sliding groove (10), the second sliding groove (10) being a semi-annular groove, and the laser head (2) is slidably connected inside the second sliding groove (10).

6. The laser rapid prototyping machine for processing tire burst emergency safety device according to claim 1, characterized in that: The second fixing plate (8) is symmetrically provided with a forming groove (11) and a collecting groove (12), the two forming grooves (11) are both semi-annular grooves, and the two collecting grooves (12) are respectively located outside the bottom ends of the two powder hoppers (6).

7. The laser rapid prototyping machine for processing tire burst emergency safety device according to claim 6, characterized in that: A forming box (13) is slidably mounted on the bottom end of the second fixed plate (8); a second hydraulic cylinder (14) is fixedly connected to the bottom end of the forming box (13); a forming table (15) is fixedly connected to the bottom end of the second hydraulic cylinder (14); a support block (16) is fixedly arranged inside the forming box (13); a top end of the support block (16) is higher than a top end of the second hydraulic cylinder (14); and a first handle (17) is fixedly connected to the front side of the forming box (13).

8. The laser rapid prototyping machine for processing tire burst emergency safety device according to claim 7, characterized in that: Collection boxes (18) are slidably mounted on both sides of the bottom end of the second fixed plate (8); the collection box (18) is located directly below the collection trough (12); and a second handle (19) is fixedly connected to the front side of the collection box (18).

9. The laser rapid prototyping machine for processing a tire blowout emergency safety device according to claim 8, characterized in that: A first protective door (20) and two second protective doors (21) are hingedly connected to the front side of the frame (1); the first protective door (20) is located on the front side of the forming box (13); the two second protective doors (21) are respectively located on the front sides of the two collecting boxes (18); a third handle (22) is fixedly connected to the front side of the first protective door (20); and a fourth handle (23) is fixedly connected to the front side of the second protective door (21).

10. The laser rapid prototyping machine for processing tire burst emergency safety device according to claim 9, characterized in that: A third protective door (24) is hingedly connected to the top end of the front side of the frame (1); an observation window (25), a display screen (26) and a plurality of control buttons (27) are fixedly connected to the front side of the third protective door (24); and a fifth handle (28) is fixedly connected to the front side of the third protective door (24).

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