A positioning device for steel structure welding

Abstract

The present invention discloses a positioning device for steel structure welding, which belongs to the field of steel structure welding, and comprises a base, wherein both sides of the upper surface of the base are provided with movable grooves, a dual-axis motor is fixedly connected to the middle of the upper surface of the base, a threaded rod is fixedly connected to the output end of the dual-axis motor, and side plates are fixedly connected to the front and rear sides of the upper surface of the base, a positioning assembly is connected inside the movable groove, a protective assembly is connected inside the side plate, and the positioning assembly comprises a movable plate sliding inside the movable groove. It can realize fast driving of two H-shaped steels to approach each other for docking, ensuring that the docking point of the two H-shaped steels is located directly below the welding area, avoiding the docking point from deviating from the best area for welding, avoiding the problem of low welding quality and gaps in the welding point, and the extrusion and fixation of the two sides and ends of the H-shaped steel ensure the stability of welding, effectively ensure the quality during welding, and improve the welding efficiency.

Description

Technical Field

[0001] The invention relates to the field of steel structure welding, and more specifically to a positioning device for steel structure welding. Background Art

[0002] Steel structure is a structure made of steel materials and is one of the main types of building structures. The structure is mainly composed of beams, steel columns, steel trusses and other components made of steel sections and steel plates. The existing steel structure connection method is sometimes connected by welding. The steel structure needs to be positioned before welding. The existing assembly generally uses manual welding, and manual welding requires manual alignment, positioning and fixing of H-shaped steel. The entire operation process requires a lot of time and manpower, resulting in low welding efficiency of H-shaped steel.

[0003] In order to solve the above technical problems, a Chinese invention patent application with application publication number CN116638245A discloses a positioning device for steel structure welding. The device solves the problem that steel structures need to be welded manually and the welding efficiency is low. However, during the actual welding operation, the interface between the two steel structures cannot be guaranteed to be directly under the welding gun. If there is a deviation, it will cause a slight shift in the welding position, which will lead to the problem of low welding quality. Summary of the invention

[0004] In view of the problems existing in the prior art, an object of the present invention is to provide a positioning device for steel structure welding.

[0005] To solve the above problems, the present invention adopts the following technical solutions.

[0006] A positioning device for steel structure welding comprises a base, movable grooves are provided on both sides of the upper surface of the base, a dual-axis motor is fixedly connected to the middle of the upper surface of the base, a threaded rod is fixedly connected to the output end of the dual-axis motor, side plates are fixedly connected to the front and rear sides of the upper surface of the base, a positioning assembly is connected inside the movable groove, and a protective assembly is connected inside the side plate.

[0007] The cam is connected with the rotation of the control wheel system, and the rotation of the control wheel system is connected with the rotation of the control wheel system, and the rotation of the control wheel system is connected with the rotation of the control wheel system.

[0008] Furthermore, both ends of the scale are fixedly connected to the inner surface of the rotating frame, an annular groove is opened inside the fixed frame, an annular slide rail is connected to the outer surface of the rotating frame, and the annular slide rail slides inside the annular groove, the height of the first pulley group is consistent with the height of the center of the rotating frame, and the outer surface of the bidirectional threaded rod is threadedly connected to a support assembly.

[0009] Furthermore, the flipping component includes a driving motor fixed on one side of the moving plate and an annular rack fixed on one side of the rotating frame, the output end of the driving motor passes through the interior of the driving motor and is fixedly connected to a gear, the gear and the annular rack are located on the same vertical plane, and the gear and the annular rack are meshed with each other.

[0010] Furthermore, the support assembly includes a metal internal thread sleeve block threadedly connected to the outer surface of the bidirectional threaded rod, and the metal internal thread sleeve block is sleeved and connected to limiting slides on both sides, and the limiting slide has first grooves on both sides inside, and a second groove is opened in the middle of the limiting slide, and magnets are fixedly connected to both sides of the second groove.

[0011] Furthermore, grooves are provided on both sides of the inner surface of the second groove, the metal internal thread sleeve is located inside the groove and slides, the scale is located inside the first groove, the scale and the first groove slide with each other, and the distance between the limiting slide plate and the center of the rotating frame is consistent with the distance between the placing plate and the center of the circle.

[0012] Furthermore, the protective assembly includes a support plate sliding inside the two side plates, a protective frame is fixedly connected to one side of the two support plates close to each other, an air pump is fixedly connected to one side of the protective frame, an output end of the air pump is connected to an absorption cylinder, the output end of the air pump is connected to an air pipe, and air grooves are fixedly connected to both sides of the air pipe.

[0013] Furthermore, a welding groove is provided on the upper surface of the protective frame, an inlet is provided on one side of the protective frame, a connecting plate is fixedly connected to the middle of the lower surface of the protective frame, a second electric push rod is fixedly connected between the two connecting plates, and a collection assembly is slidably connected to one side of the lower surface of the protective frame.

[0014] Furthermore, the collecting assembly includes a mounting plate sliding on the lower surface of the protective frame, a spring fixedly connected to one side of the mounting plate, two connecting grooves are opened inside the mounting plate, an insert plate is symmetrically slidably connected to one side of the mounting plate, a limiting plate is inserted into the connecting groove, a slot is opened inside the limiting plate, and one side of the two limiting plates is fixedly connected to the collecting groove.

[0015] Furthermore, one side of the plug plate passes through the slot, and the other side of the spring is fixedly connected to the connecting plate.

[0016] Furthermore, a slide groove connected to the mounting plate is provided on the lower surface of the protection frame, and a slide groove connected to the plug plate is provided on one side of the mounting plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. This solution can quickly drive two H-shaped steels to butt against each other by setting a positioning component, ensuring that the butt joint of the two H-shaped steels is located directly below the welding area, avoiding the butt joint from deviating from the optimal welding area, thereby causing low welding quality and gaps in the welding area. The two sides and ends of the H-shaped steel can be squeezed and fixed to ensure the stability of the welding, effectively ensuring the welding quality and improving the welding efficiency.

[0019] 2. This solution sets a flip component to drive the H-shaped steel to rotate and continue welding on the other side. Since the center of the H-shaped steel is at the same height as the circular center of the rotating frame when it is initially positioned, the H-shaped steel is more stable during rotation, avoiding the displacement of the H-shaped steel caused by centrifugal force and ensuring the welding quality.

[0020] 3. This solution sets a support assembly to push the clamping plate from one side of the rotating frame to the top of the placement plate, and the clamping plate contacts the top of the steel section, so that when flipping, the placement plate and the limiting slide plate are used to limit the round and square steel sections to ensure that they are stable and do not fall. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 The positioning assembly structure of the present invention is shown in FIG. Figure 1 ;

[0023] Figure 3The positioning assembly structure of the present invention is shown in FIG. Figure 2 ;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixing frame of the present invention;

[0025] Figure 5 It is a schematic diagram of the support assembly structure of the present invention;

[0026] Figure 6 The protective component structure of the present invention is schematically shown in FIG. Figure 1 ;

[0027] Figure 7 The protective component structure of the present invention is schematically shown in FIG. Figure 2 ;

[0028] Figure 8 The structure of the collecting component of the present invention is shown in FIG. Figure 1 ;

[0029] Fig. 9 The structure of the collecting component of the present invention is shown in FIG. Figure 2 .

[0030] Description of the numbers in the figure:

[0031] 1. Base; 2. Side panels; 3. Moving slot;

[0032] 4. Positioning assembly; 41. Moving plate; 42. Driving motor; 43. Fixed frame;

[0033] 44. Support assembly; 441. Limiting slide plate; 442. First slot; 443. Metal internal thread sleeve block; 444. Magnet; 445. Second slot;

[0034] 45. Rotating frame; 46. First electric push rod; 47. First pulley block; 48. Second pulley block; 49. Fixed plate; 410. Placement plate; 411. Clamping plate; 412. Servo motor; 413. Gear; 414. Bidirectional threaded rod; 415. Scale; 416. Ring rack;

[0035] 5. Protection assembly; 51. Support plate; 52. Protection frame; 53. Air pump; 54. Welding slot;

[0036] 55, collecting assembly; 551, mounting plate; 552, collecting slot; 553, spring; 554, plug plate; 555, limiting plate; 556, connecting slot; 557, slot;

[0037] 56, inlet; 57, air pipe; 58, air tank; 59, connecting plate; 510, second electric push rod; 511, absorption cylinder;

[0038] 6. Threaded rod; 7. Dual-axis motor. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0040] See also Figures 1 to 9 A positioning device for steel structure welding includes a base 1, movable grooves 3 are opened on both sides of the upper surface of the base 1, a dual-axis motor 7 is fixedly connected to the middle of the upper surface of the base 1, a threaded rod 6 is fixedly connected to the output end of the dual-axis motor 7, side plates 2 are fixedly connected to the front and rear sides of the upper surface of the base 1, a positioning component 4 is connected inside the movable groove 3, and a protective component 5 is connected inside the side plate 2.

[0041] like Figure 2 - Figure 4 As shown, the positioning assembly 4 includes a moving plate 41 sliding inside the moving groove 3, a fixed frame 43 is fixedly connected to the upper surface of the moving plate 41, a rotating frame 45 is slidably connected to the inner surface of the fixed frame 43, a fixed plate 49 is symmetrically fixedly connected to one side of the rotating frame 45, a first electric push rod 46 is fixedly connected to one side of the fixed plate 49, a first pulley group 47 is fixedly connected to the output end of the first electric push rod 46, a second pulley group 48 is connected to the upper and lower surfaces of the first pulley group 47, a servo motor 412 is fixedly connected to the inner surface of the rotating frame 45, a bidirectional threaded rod 414 is fixedly connected to the output end of the servo motor 412, a placing plate 410 is threadedly connected to the outer surface of the bidirectional threaded rod 414, two scales 415 are slidably connected to the inside of the placing plate 410, a clamping plate 411 is fixedly connected to the upper surface of the placing plate 410, one side of the threaded rod 6 passes through the moving plate 41 and is threadedly connected, and a flip component is connected to one side of the moving plate 41.

[0042] Both ends of the scale 415 are fixedly connected to the inner surface of the rotating frame 45, an annular groove is opened inside the fixed frame 43, an annular slide rail is connected to the outer surface of the rotating frame 45, and the annular slide rail slides inside the annular groove, the height of the first pulley group 47 is consistent with the center height of the rotating frame 45, and the outer surface of the bidirectional threaded rod 414 is threadedly connected to the support assembly 44.

[0043] When positioning the two groups of H-shaped steels, first adjust the height of the placement plate 410, turn on the servo motor 412 to drive the bidirectional threaded rod 414 to rotate, and the bidirectional threaded rod 414 drives the placement plate 410 to move, and observe the scale on the scale 415. When the placement plate 410 moves to a distance from the center of the rotating frame 45 and half the height of the H-shaped steel, it is enough to ensure that the center of the H-shaped steel is at the same height as the center of the rotating frame 45. Then, place the two H-shaped steels on the two placement plates 410 respectively, turn on the first electric push rod 46 to drive the first pulley group 47 and the second pulley group 48 to move to the recessed parts on both sides of the H-shaped steel to support and tighten the limit position, so that it is in the middle of the placement plate 410, and then open the first electric push rod 46 to drive the first pulley group 47 and the second pulley group 48 to move to the recessed parts on both sides of the H-shaped steel to support and tighten the limit position, so that it is in the middle of the placement plate 410. The double-axis motor 7 drives the threaded rod 6 to rotate, and the two threaded rods 6 drive the two movable plates 41 to approach each other through the threads, and drive the two H-shaped steels to approach each other and dock with each other, while the two placement plates 410 will not touch and there is a certain distance. At the same time, the two clamping plates 411 respectively press against the ends of the two H-shaped steels that are far away, and squeeze and fix the two ends of the two H-shaped steels, ensuring that the docking point of the two H-shaped steels is located directly below the welding area, avoiding the docking point from deviating from the optimal welding area, avoiding the problem of low welding quality and gaps in the welding point, and squeezing and fixing the two sides and ends of the H-shaped steel to ensure the stability of welding, effectively ensure the quality during welding, and improve the welding efficiency.

[0044] The flipping component includes a driving motor 42 fixed on one side of the moving plate 41 and an annular rack 416 fixed on one side of the rotating frame 45. The output end of the driving motor 42 passes through the interior of the driving motor 42 and is fixedly connected to a gear 413. The gear 413 and the annular rack 416 are located on the same vertical plane, and the gear 413 and the annular rack 416 are meshed with each other.

[0045] After one side is welded, the other side of the H-beam needs to be welded. At this time, the drive motor 42 can be turned on to work. The drive motor 42 drives the gear 413 to rotate, and the gear 413 drives the annular rack 416 to rotate synchronously. The annular rack 416 drives the rotating frame 45 to rotate inside the fixed frame 43, so that the H-beam is driven to rotate through the cooperation of the two fixed plates 49 and the first pulley group 47 and the second pulley group 48, and the other side continues to be welded. Since the H-beam is initially positioned and its center is at the same height as the circular center of the rotating frame 45, the H-beam is more stable during rotation, avoiding the displacement of the H-beam caused by centrifugal force, and ensuring the welding quality.

[0046] like Figure 5As shown, the support assembly 44 includes a metal internal thread sleeve 443 threadedly connected to the outer surface of the bidirectional threaded rod 414, and the two sides of the metal internal thread sleeve 443 are sleeved and connected with a limiting slide 441. The limiting slide 441 has first grooves 442 on both sides thereof, and a second groove 445 is formed in the middle of the limiting slide 441, and magnets 444 are fixedly connected to both sides of the second groove 445.

[0047] Grooves are provided on both sides of the inner surface of the second slot 445, the metal internal thread sleeve 443 slides inside the groove, the scale 415 is located inside the first slot 442, the scale 415 and the first slot 442 slide with each other, and the distance between the limiting slide plate 441 and the center of the rotating frame 45 is consistent with the distance between the placing plate 410 and the center of the circle.

[0048] However, there are many types and shapes of steel sections, including round and square shapes in addition to H-shaped steel sections. Although the device can clamp and position the round and square steel sections, when flipping, the H-shaped steel can be stably flipped without falling through the cooperation of the recessed parts on both sides with the first pulley group 47 and the second pulley group 48. However, the round and square shapes are only clamped by the first pulley group 47 on both sides, and are easy to fall from between the two first pulley groups 47 when flipping. Therefore, the clamping plate 411 is pushed to move from one side of the rotating frame 45 to the top of the placement plate 410, and the clamping plate 411 contacts the top of the steel section, so that when flipping, the placement plate 410 and the limiting slide plate 441 are used to limit the round and square steel sections to ensure that they are stable and do not fall.

[0049] like Figure 6 - Figure 7 As shown, the protection component 5 includes a support plate 51 sliding inside the two side plates 2, a protection frame 52 is fixedly connected to one side of the two support plates 51 close to each other, an air pump 53 is fixedly connected to one side of the protection frame 52, an output end of the air pump 53 is connected to an absorption cylinder 511, the output end of the air pump 53 is connected to an air pipe 57, and air grooves 58 are fixedly connected to both sides of the air pipe 57.

[0050] A welding groove 54 is provided on the upper surface of the protective frame 52, an inlet 56 is provided on one side of the protective frame 52, a connecting plate 59 is fixedly connected to the middle of the lower surface of the protective frame 52, a second electric push rod 510 is fixedly connected between the two connecting plates 59, and a collecting assembly 55 is slidably connected to one side of the lower surface of the protective frame 52.

[0051] A large amount of smoke and sparks will be generated during welding. The prior art all adds an adsorption pipe around the welding to absorb the smoke, but its absorption range is limited and there will be a situation where the smoke spreads. Before welding, the second electric push rod 510 is turned on to work, and the two protection frames 52 are driven to approach each other through the two connecting plates 59, and the joints are wrapped and shielded. During welding, the two air pumps 53 are turned on at the same time, and the two air pumps 53 blow and exhaust air into the air pipe 57 respectively. The air groove 58 on the same protection frame 52 blows air into the air groove 58 on the other protection frame 52, and the air flow is absorbed by the other two air grooves 58, so that the air flow forms an air curtain at the inlet 56, which effectively prevents the diffusion of smoke. At the same time, the smoke is transferred to the absorption tube 511 by the air flow for absorption, so as to prevent the smoke from spreading to the surrounding environment and affecting the health of the workers, and the flying sparks are blocked by the protection frame 52 to avoid scattering on the workbench and causing trouble that is difficult to clean.

[0052] like Figure 8 - Fig. 9 As shown, the collecting assembly 55 includes a mounting plate 551 sliding on the lower surface of the protective frame 52, a spring 553 is fixedly connected to one side of the mounting plate 551, two connecting grooves 556 are provided inside the mounting plate 551, a plug plate 554 is slidably connected to one side of the mounting plate 551, a limiting plate 555 is inserted into the connecting groove 556, a slot 557 is provided inside the limiting plate 555, and one side of the two limiting plates 555 is fixedly connected to the collecting groove 552.

[0053] One side of the inserting plate 554 passes through the slot 557 , and the other side of the spring 553 is fixedly connected to the connecting plate 59 .

[0054] A sliding groove connected to the mounting plate 551 is formed on the lower surface of the protection frame 52 , and a sliding groove connected to the plug plate 554 is formed on one side of the mounting plate 551 .

[0055] The sparks blocked by the protective frame 52 are all concentrated at the bottom of the protective frame 52, and need to be collected over time. When the two protective frames 52 are separated from each other, the spring 553 pushes the mounting plate 551 and the collecting slot 552 to one side, so that the collecting slot 552 extends out of the bottom of the protective frame 52, so that the debris inside the protective frame 52 can be cleaned. The interior of the collecting slot 552 can be quickly cleaned without the aid of other collecting tools to collect the debris. When the collection slot 552 is full, the two plug plates 554 are pushed closer to each other and detached from the slot 557. At this time, the two limit plates 555 can be pulled out from the connecting slot 556.

[0056] Usage method: First, place the steel section on the placement plate 410, and drive the threaded rod 6 to rotate through the dual-axis motor 7 to clamp and position the steel section. The steel section can be rotated through the flipping component to ensure comprehensive welding of the steel section. The support component 44 can flip steel sections of different shapes without falling.

[0057] Then, the welding position is wrapped and shielded by two protective frames 52, and the air pump 53 and the air tank 58 are used to ensure that the smoke will not spread to the outside. At the same time, the collection tank 552 can collect the debris generated by welding to reduce the scattering of debris.

[0058] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A positioning device for steel structure welding, comprising a base (1), wherein movable grooves (3) are provided on both sides of an upper surface of the base (1), a dual-axis motor (7) is fixedly connected to the middle of the upper surface of the base (1), a threaded rod (6) is fixedly connected to the output end of the dual-axis motor (7), and side plates (2) are fixedly connected to the front and rear sides of the upper surface of the base (1); Features: The interior of the movable groove (3) is connected to a positioning component (4), and the interior of the side plate (2) is connected to a protection component (5); The positioning assembly (4) comprises a moving plate (41) sliding inside the moving groove (3); the upper surface of the moving plate (41) is fixedly connected to a fixed frame (43); the inner surface of the fixed frame (43) is slidably connected to a rotating frame body (45); one side of the rotating frame body (45) is symmetrically fixedly connected to a fixed plate (49); one side of the fixed plate (49) is fixedly connected to a first electric push rod (46); the output end of the first electric push rod (46) is fixedly connected to a first pulley group (47); the upper surface and the lower surface of the first pulley group (47) are both connected to a second pulley group (48), a servo motor (412) is fixedly connected to the inner surface of the rotating frame (45), a bidirectional threaded rod (414) is fixedly connected to the output end of the servo motor (412), a placement plate (410) is threadedly connected to the outer surface of the bidirectional threaded rod (414), two scales (415) are slidably connected to the inside of the placement plate (410), a clamping plate (411) is fixedly connected to the upper surface of the placement plate (410), one side of the threaded rod (6) passes through the moving plate (41) and is threadedly connected, and one side of the moving plate (41) is connected to a flip component; The two ends of the scale (415) are fixedly connected to the inner surface of the rotating frame (45); an annular groove is provided inside the fixed frame (43); an annular slide rail is connected to the outer surface of the rotating frame (45), and the annular slide rail slides inside the annular groove; the height of the first pulley group (47) is consistent with the height of the center of the rotating frame (45); and the outer surface of the bidirectional threaded rod (414) is threadedly connected to the support assembly (44); The flipping component comprises a driving motor (42) fixed to one side of the moving plate (41) and an annular rack (416) fixed to one side of the rotating frame (45); an output end of the driving motor (42) passes through the interior of the driving motor (42) and is fixedly connected to a gear (413); the gear (413) and the annular rack (416) are located on the same vertical plane, and the gear (413) and the annular rack (416) are meshed with each other; The support assembly (44) comprises a metal internal thread sleeve (443) threadedly connected to the outer surface of the bidirectional threaded rod (414); both sides of the metal internal thread sleeve (443) are sleeved and connected to a limiting slide plate (441); both sides of the limiting slide plate (441) are provided with a first slot (442); a second slot (445) is provided in the middle of the limiting slide plate (441); and both sides of the second slot (445) are fixedly connected to magnets (444); Grooves are provided on both sides of the inner surface of the second slot (445), the metal internal thread sleeve (443) is located inside the grooves and slides, the scale (415) is located inside the first slot (442), the scale (415) and the first slot (442) slide relative to each other, and the distance between the limiting slide plate (441) and the center of the rotating frame (45) is consistent with the distance between the placement plate (410) and the center of the circle; The protection component (5) comprises a support plate (51) sliding inside the two side plates (2); a protection frame (52) is fixedly connected to one side of the two support plates (51) close to each other; an air pump (53) is fixedly connected to one side of the protection frame (52); an output end of one of the air pumps (53) is connected to an absorption cylinder (511); an output end of the air pump (53) is connected to an air pipe (57); and air grooves (58) are fixedly connected to both sides of the air pipe (57); The upper surface of the protection frame (52) is provided with a welding groove (54), one side of the protection frame (52) is provided with an inlet (56), a connecting plate (59) is fixedly connected to the middle of the lower surface of the protection frame (52), a second electric push rod (510) is fixedly connected between the two connecting plates (59), and a collecting assembly (55) is slidably connected to one side of the lower surface of the protection frame (52); The collecting assembly (55) comprises a mounting plate (551) sliding on the lower surface of the protective frame (52); a spring (553) is fixedly connected to one side of the mounting plate (551); two connecting grooves (556) are provided inside the mounting plate (551); a plug plate (554) is symmetrically slidably connected to one side of the mounting plate (551); a limiting plate (555) is inserted inside the connecting groove (556); a slot (557) is provided inside the limiting plate (555); and one side of the two limiting plates (555) is fixedly connected to the collecting groove (552).

2. A steel structure welding positioning device according to claim 1, characterized in that: One side of the plug plate (554) passes through the slot (557), and the other side of the spring (553) is fixedly connected to the connecting plate (59).

3. A steel structure welding positioning device according to claim 2, characterized in that: A sliding groove connected to the mounting plate (551) is provided on the lower surface of the protection frame (52), and a sliding groove connected to the plug plate (554) is provided on one side of the mounting plate (551).

Images