Welding positioning tool for steel structure movable threshold double-leaf protective air-tight door

Abstract

The utility model discloses a steel structure movable doorsill double-leaf protective air-tight door welding positioning tool which comprises a workbench and an air-tight door, a welding robot is installed on the workbench, two clamping structures are installed on the workbench, and the clamping structures are symmetrically distributed on the two sides with the center line of the air-tight door as the center. The output end of the electric push rod drives the vertical plate to move inwards, so that the U-shaped plate clamps and fixes the air-tight door, the output shaft of the servo motor drives the rotating shaft to rotate on the vertical plate through the bearing, the air-tight door is adjusted to the horizontal position of the workbench and fixed, and at the moment, the welding robot can conduct welding work on the air-tight door and the outer frame. Meanwhile, various connecting pieces which can be welded on the upper surface of the air-tight door rotate 180 degrees on the output shaft of the servo motor to fix the reverse side of the air-tight door, at the moment, the air-tight door and the lower portion of the outer frame can be welded, and meanwhile, various connecting pieces which can be welded on the lower surface of the air-tight door can be welded conveniently.

Description

Technical Field

[0001] This patent relates to the technical field of steel structure movable threshold double-leaf protective closed doors, specifically a welding positioning tooling for steel structure movable threshold double-leaf protective closed doors. Background Art

[0002] In the construction of civil air defense projects, closed doors are often used as partition devices for civil air defense passages, and steel structure movable threshold double-leaf protective closed doors are one of them. When industrially producing closed doors, the steel structure needs to be positioned. When the positioned steel structure is welded into an integral closed door structure, for steel structure closed doors, it is usually necessary to weld the frame of the closed door and various connectors on the closed door. However, when welding various connectors on the closed door, double-sided welding is required, and currently welding requires disassembly and re-surfacing welding, which is a more troublesome problem. Utility Model Content

[0003] The purpose of this patent is to provide a welding positioning tool for a steel structure movable threshold double-leaf protective closed door.

[0004] To achieve the above purpose, this patent provides the following technical solutions: a welding positioning tool for a double-leaf protective closed door with a steel structure movable threshold, comprising a workbench and a closed door, a welding robot is installed on the workbench, a clamping structure is installed on the workbench, the number of the clamping structures is two, and the clamping structures are symmetrically distributed on both sides with the center line of the closed door as the center;

[0005] The clamping structure includes a U-shaped plate and an electric push rod;

[0006] A rotating structure is connected between the U-shaped plate and the electric push rod, and the rotating structure is arranged corresponding to the U-shaped plate. The rotating structure includes a vertical plate, a bearing, a rotating shaft, a machine base and a servo motor;

[0007] The electric push rod is installed on the workbench, the vertical plate is installed on the output end of the electric push rod, the bearing is installed in the hole reserved on the vertical plate, the rotating shaft is installed in the bearing, the machine base is installed on the vertical plate, the servo motor is installed on the machine base, one end of the rotating shaft is installed on the output shaft of the servo motor, the U-shaped plate is installed on the other end of the rotating shaft, and the closed door is placed in the U-shaped plate.

[0008] Preferably, a limiting structure is installed on the U-shaped plate, the number of the limiting structures is two, the limiting structures are symmetrically distributed on both sides with the center line of the U-shaped plate as the center, and the limiting structure includes a transverse groove, a threaded rod, a nut, a slider and a slide groove;

[0009] The transverse groove is formed on the U-shaped plate, the threaded rod passes through the transverse groove, the nut is sleeved on the threaded rod, the slider is installed on the threaded rod, the slide groove is formed in the U-shaped plate, and the slider is slidably connected in the slide groove.

[0010] Preferably, a limit block is installed on the vertical plate, the limit block is arranged corresponding to the vertical plate, a limit slot is provided on the workbench, the limit block is placed in the limit slot, and the limit slot is arranged corresponding to the limit block.

[0011] Preferably, the welding robot is equipped with a purification structure, which includes a round shell, a mounting port, a connecting pipe, an exhaust fan and an activated carbon filter plate;

[0012] The installation opening is opened on the round shell, the welding robot is installed in the installation opening, the connecting pipe is connected to the round shell, the suction end of the exhaust fan is connected to the connecting pipe, and the activated carbon filter plate is installed in the connecting pipe.

[0013] Preferably, a mounting groove is provided on the connecting pipe, and the activated carbon filter plate is placed in the mounting groove.

[0014] Preferably, the activated carbon filter plate is covered with a rubber sleeve, and the rubber sleeve is inserted into the installation groove.

[0015] Compared with the prior art, the beneficial effects of this patent are: the welding positioning tooling of the steel structure movable threshold double-leaf protective closed door has the following advantages compared with the traditional technology:

[0016] The output end of the electric push rod drives the vertical plate to move inward, so that the U-shaped plate clamps the closed door and fixes it, and the output shaft of the servo motor drives the rotating shaft to rotate on the vertical plate through the bearing, so that the closed door is adjusted to a horizontal position with the workbench and fixed. At this time, the welding robot can perform welding work on the closed door and the external frame, and can also weld various connecting parts on the upper surface of the closed door. The output shaft of the servo motor rotates 180 degrees to fix the back of the closed door. At this time, welding work can be performed on the bottom of the closed door and the external frame, and various connecting parts on the lower surface of the closed door can be welded, which is convenient for welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of this patent;

[0018] Figure 2 This is a schematic diagram of the structure of the connecting pipe, exhaust fan and activated carbon filter plate of this patent;

[0019] Figure 3 This is a schematic diagram of the structure of the transverse groove, threaded rod and nut of the patent;

[0020] Figure 4 This is a schematic diagram of the structure of patent A.

[0021] In the figure: 1. workbench, 2. welding robot, 3. closed door, 4. clamping structure, 401. U-shaped plate, 402. electric push rod, 403. limiting structure, 404. transverse groove, 405. threaded rod, 406. nut, 407. slider, 408. slide groove, 5. vertical plate, 6. bearing, 7. rotating shaft, 8. machine base, 9. servo motor, 10. limiting block, 11. limiting groove, 12. round shell, 13. installation port, 14. connecting pipe, 15. exhaust fan, 16. activated carbon filter plate, 17. installation groove, 18. rubber sleeve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0023] See also Figure 1-4 This patent provides a technical solution: a welding positioning tool for a double-leaf protective closed door with a steel structure movable threshold, including a workbench 1 and a closed door 3, the closed door 3 is composed of an inner door and an outer frame, a welding robot 2 is installed on the workbench 1, the welding robot 2 is powered on, and a clamping structure 4 is installed on the workbench 1. The number of the clamping structures 4 is two, and the clamping structures 4 are symmetrically distributed on both sides with the center line of the closed door 3 as the center;

[0024] The clamping structure 4 includes a U-shaped plate 401 and an electric push rod 402;

[0025] A rotating structure is connected between the U-shaped plate 401 and the electric push rod 402. The electric push rod 402 is powered on to work, and the electric push rods 402 on both sides are connected in series and work synchronously. The rotating structure is arranged corresponding to the U-shaped plate 401, and the rotating structure includes a vertical plate 5, a bearing 6, a rotating shaft 7, a machine base 8 and a servo motor 9;

[0026] The electric push rod 402 is installed on the workbench 1, the vertical plate 5 is installed on the output end of the electric push rod 402, the bearing 6 is installed in the hole reserved on the vertical plate 5, the rotating shaft 7 is installed in the bearing 6, the machine base 8 is installed on the vertical plate 5, and the servo motor 9 is installed on the machine base 8. The servo motor 9 is powered on and works. The servo motors 9 on both sides are connected in series and work synchronously. Through the self-locking function of the output shaft of the servo motor 9, the output shaft can be fixed after rotating a certain angle. One end of the rotating shaft 7 is installed on the output shaft of the servo motor 9, and the U-shaped plate 401 is installed on the other end of the rotating shaft 7. The closed door 3 is placed in the U-shaped plate 401. The electric push rod 402 The output end drives the vertical plate 5 to move inwardly, so that the U-shaped plate 401 clamps the closed door 3 and fixes it, and the output shaft of the servo motor 9 drives the rotating shaft 7 to rotate on the vertical plate 5 through the bearing 6, so that the closed door 3 is adjusted to a horizontal position with the workbench 1 and fixed. At this time, the welding robot 2 can perform welding work on the closed door and the external frame, and can also weld various connecting parts on the upper surface of the closed door 3. When the output shaft 9 of the servo motor 9 rotates one hundred and eighty degrees, the back side of the closed door 3 is fixed. At this time, welding work can be performed on the bottom of the closed door and the external frame, and various connecting parts on the lower surface of the closed door 3 can be welded, which is convenient for welding.

[0027] A limiting structure 403 is installed on the U-shaped plate 401. There are two limiting structures 403. The limiting structures 403 are symmetrically distributed on both sides with the center line of the U-shaped plate 401 as the center. The limiting structure 403 includes a transverse groove 404, a threaded rod 405, a nut 406, a slider 407 and a slide groove 408.

[0028] The transverse groove 404 is provided on the U-shaped plate 401, the threaded rod 405 passes through the transverse groove 404, the nut 406 is sleeved on the threaded rod 405, the slider 407 is installed on the threaded rod 405, the slide groove 408 is provided in the U-shaped plate 401, the slider 407 is slidably connected in the slide groove 408, when the sealed door 3 is slightly clamped in the U-shaped plate 401, the sealed door 3 is clamped in the middle position of the U-shaped plate 401 through the measurement of the outside ruler, at this time, the threaded rod 405 drives the slider 407 to slide along the slide groove 408, and at the same time, the threaded rod 405 moves along the transverse groove 404, the threaded rod 405 positions the sealed door 3 in the middle of the U-shaped plate 401, and then the nut 406 is screwed on the threaded rod 405 to limit the threaded rod 405, at this time, the U-shaped plate 401 clamps the sealed door 3.

[0029] A limit block 10 is installed on the vertical plate 5, and the limit block 10 is arranged corresponding to the vertical plate 5. A limit groove 11 is opened on the workbench 1, and the limit block 10 is placed in the limit groove 11. The limit groove 11 is arranged corresponding to the limit block 10, and the vertical plate 5 drives the limit block 10 to move along the limit groove 11 on the workbench 1.

[0030] A purification structure is installed on the welding robot 2, and the purification structure includes a round shell 12, a mounting port 13, a connecting pipe 14, an exhaust fan 15 and an activated carbon filter plate 16;

[0031] The installation port 13 is provided on the round shell 12, and the round shell 12 is in the shape of a round cover. The welding robot 2 is installed in the installation port 13, the connecting pipe 14 is connected to the round shell 12, the suction end of the exhaust fan 15 is connected to the connecting pipe 14, the exhaust fan 15 is powered on, and the activated carbon filter plate 16 is installed in the connecting pipe 14. The connecting pipe 14 is provided with a mounting groove 17, and the activated carbon filter plate 16 is placed in the mounting groove 17. The activated carbon filter plate 16 is covered with a rubber sleeve 18, and the rubber sleeve 18 is inserted into the mounting groove 17. The rubber sleeve 18 seals the gap between the activated carbon filter plate 16 and the mounting groove 17, so as to facilitate the replacement of the activated carbon filter plate 16. As the activated carbon filter plate 16 is placed in the connecting pipe 14, the two parts are separated with square openings to facilitate the passage of welding fumes.

[0032] (The welding robot 2 can automatically adjust to a suitable position as the closed door 3 rotates and adjusts, without hindering the rotation range of the closed door 3) As the welding robot 2 welds the closed door 3, the exhaust fan 15 works to draw negative pressure in the connecting pipe 14, and the fume generated by the welding robot 2 welding the closed door 3 is sucked into the connecting pipe 14 through the round shell 12, and the fume is purified by the activated carbon filter plate 16, so that the purified gas is discharged through the exhaust fan 15.

[0033] When using the welding positioning tooling of the double-leaf protective sealed door with a steel structure movable threshold, first, the output end of the electric push rod 402 drives the vertical plate 5 to move inward, and the vertical plate 5 drives the limit block 10 to move along the limit groove 11 on the workbench 1. When the sealed door 3 is slightly clamped in the U-shaped plate 401, the sealed door 3 is clamped in the middle position of the U-shaped plate 401 through measurement of the outside ruler. At this time, the threaded rod 405 drives the slider 407 to slide along the slide groove 408, and the threaded rod 405 moves along the transverse groove 404. The threaded rod 405 positions the sealed door 3 in the middle of the U-shaped plate 401, and then screws the nut 406 on the threaded rod 405 to limit the threaded rod 405, and then the U-shaped plate 401 clamps the sealed door 3 and fixes it, and the output shaft of the servo motor 9 drives the rotating shaft 7 through the bearing 6 on the vertical plate. 5 is rotated to adjust the closed door 3 to a horizontal position with the workbench 1 and fix it. At this time, the welding robot 2 can perform welding work on the closed door and the external frame, and can weld various connecting parts on the upper surface of the closed door 3. The output shaft 9 of the servo motor 9 is rotated 180 degrees to fix the back of the closed door 3. At this time, welding work can be performed on the lower side of the closed door and the external frame, and various connecting parts on the lower surface of the closed door 3 can be welded to facilitate welding. As the welding robot 2 welds the closed door 3, the exhaust fan 15 works to draw negative pressure in the connecting pipe 14, and the smoke generated by the welding robot 2 welding the closed door 3 is sucked into the connecting pipe 14 through the round shell 12, and the smoke is purified by the activated carbon filter plate 16, so that the purified gas is discharged through the exhaust fan 15.

[0034] Although the embodiments of the present patent have been shown and described, it will be understood 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 patent, and the scope of the present patent is defined by the appended claims and their equivalents.

Claims

1. A welding positioning tool for a double-leaf protective closed door with a steel structure movable threshold, comprising a workbench (1) and a closed door (3), characterized in that: A welding robot (2) is installed on the workbench (1), and a clamping structure (4) is installed on the workbench (1). The number of the clamping structures (4) is two, and the clamping structures (4) are symmetrically distributed on both sides with the center line of the closed door (3) as the center. The clamping structure (4) comprises a U-shaped plate (401) and an electric push rod (402); A rotating structure is connected between the U-shaped plate (401) and the electric push rod (402), the rotating structure being arranged corresponding to the U-shaped plate (401), and the rotating structure comprising a vertical plate (5), a bearing (6), a rotating shaft (7), a machine base (8) and a servo motor (9); The electric push rod (402) is mounted on the workbench (1), the vertical plate (5) is mounted on the output end of the electric push rod (402), the bearing (6) is mounted in a hole reserved on the vertical plate (5), the rotating shaft (7) is mounted in the bearing (6), the machine base (8) is mounted on the vertical plate (5), the servo motor (9) is mounted on the machine base (8), one end of the rotating shaft (7) is mounted on the output shaft of the servo motor (9), the U-shaped plate (401) is mounted on the other end of the rotating shaft (7), and the sealed door (3) is placed in the U-shaped plate (401).

2. According to claim 1, a welding and positioning tool for a double-leaf protective closed door with a steel structure movable threshold, characterized in that: A limiting structure (403) is installed on the U-shaped plate (401), the number of the limiting structures (403) is two, the limiting structures (403) are symmetrically distributed on both sides with the center line of the U-shaped plate (401) as the center, and the limiting structure (403) comprises a transverse groove (404), a threaded rod (405), a nut (406), a slider (407) and a slide groove (408); The transverse groove (404) is formed on the U-shaped plate (401), the threaded rod (405) passes through the transverse groove (404), the nut (406) is sleeved on the threaded rod (405), the slider (407) is installed on the threaded rod (405), the slide groove (408) is formed in the U-shaped plate (401), and the slider (407) is slidably connected in the slide groove (408).

3. The welding and positioning tooling for a double-leaf protective closed door with a steel structure movable threshold according to claim 1 is characterized by: A limit block (10) is installed on the vertical plate (5), the limit block (10) is arranged corresponding to the vertical plate (5), a limit slot (11) is provided on the workbench (1), the limit block (10) is placed in the limit slot (11), and the limit slot (11) and the limit block (10) are arranged corresponding to each other.

4. The welding and positioning tooling for a double-leaf protective closed door with a steel structure movable threshold according to claim 1 is characterized by: The welding robot (2) is provided with a purification structure, the purification structure comprising a round shell (12), a mounting port (13), a connecting pipe (14), an exhaust fan (15) and an activated carbon filter plate (16); The mounting opening (13) is formed on the round shell (12), the welding robot (2) is mounted in the mounting opening (13), the connecting pipe (14) is connected to the round shell (12), the suction end of the exhaust fan (15) is connected to the connecting pipe (14), and the activated carbon filter plate (16) is mounted in the connecting pipe (14).

5. The welding positioning tool for a double-leaf protective closed door with a steel structure movable threshold according to claim 4 is characterized by: The connecting pipe (14) is provided with a mounting groove (17), and the activated carbon filter plate (16) is placed in the mounting groove (17).

6. The welding positioning tool for a double-leaf protective closed door with a steel structure movable threshold according to claim 5 is characterized by: The activated carbon filter plate (16) is covered with a rubber sleeve (18), and the rubber sleeve (18) is inserted into the installation groove (17).

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