Automatic butt welding device for I-shaped steel

Abstract

The utility model relates to the technical field of lagging jack processing, in particular to an automatic butt welding device for I-shaped steel. Comprising a continuous welding fixing frame, a conveying frame and continuous welding robots, the conveying frame is erected on the front side and the rear side of the continuous welding fixing frame, the continuous welding robots are arranged on the left side and the right side of the continuous welding fixing frame, the continuous welding fixing frame comprises a bottom frame and a connecting base, the bottom frame is fixedly arranged on the two sides of the connecting base, and vertical supports are symmetrically arranged on the two sides of the top of the bottom frame; the tops of the two vertical supports are fixedly connected through a top beam, horizontal push roller assemblies are arranged on the vertical supports, and vertical press roller assemblies are arranged on the top beam. According to the device, the accuracy and the construction efficiency of continuous welding of the I-shaped steel are improved, the labor intensity of workers is reduced, and the purposes of reducing the labor cost and improving the industrial efficiency are achieved. The automatic butt welding device is mainly applied to automatic butt welding of I-shaped steel.

Description

Technical Field

[0001] The utility model relates to the technical field of arch frame processing, and more specifically, to an automatic butt welding and continuous welding device for I-beams. Background Art

[0002] In many fields such as construction, bridge construction, and machinery manufacturing, as a common structural material, the welding quality of I-beams directly affects the stability and safety of the entire structure. The traditional I-beam welding process often relies on manual operation and has many deficiencies.

[0003] The traditional welding method requires manual positioning and butting of the I-beams to be welded. This process is not only time-consuming and laborious, but also difficult to ensure the butting accuracy; manual operation is easily affected by the external environment and individual operation skills, resulting in possible gaps or misalignments in the butted I-beams, affecting the welding quality; the manual welding process requires welders to have relatively high professional skills, and the welding speed is relatively slow, making it difficult to meet the needs of large-scale production; manual welding is also easily affected by factors such as welder fatigue and distraction, resulting in unstable welding quality.

[0004] Long-term manual welding operations may also cause occupational diseases for operators, such as vision loss and pneumoconiosis. Due to the unstable quality of manual welding, additional inspection and repair costs are often required. Summary of the Utility Model

[0005] To overcome the deficiencies in the above-mentioned prior art, the utility model provides an automatic butt welding and continuous welding device for I-beams. This device has the advantages of simple structure, convenient operation, safety and reliability, etc., can significantly reduce labor costs and potential safety hazards, and improve the accuracy and processing efficiency of I-beam butt welding and continuous welding.

[0006] To solve the above technical problems, the technical solution adopted by the utility model is as follows:

[0007] An automatic butt welding and continuous welding device for I-beams, including a continuous welding fixing frame, a conveying frame, and a continuous welding robot. The conveying frame is erected on the front and rear sides of the continuous welding fixing frame, and the continuous welding robot is arranged on the left and right sides of the continuous welding fixing frame. The continuous welding fixing frame includes a bottom frame and a connecting base. The bottom frame is fixedly arranged on both sides of the connecting base. On both sides of the top of the bottom frame, vertical supports are symmetrically arranged. Between the tops of the two vertical supports, they are fixedly connected by a top beam. A horizontal pushing roller assembly is arranged on the vertical supports, and a vertical pressing roller assembly is arranged on the top beam.

[0008] On both sides of the top of the bottom frame, there are material receiving platforms. The material receiving platforms adopt an L-shaped plate structure, and material receiving horizontal rollers and material receiving vertical rollers are arranged on the material receiving platforms.

[0009] On both sides of the top of the chassis, there are support plates, and the support plates are arranged at the side edge positions of the upper surface of the chassis.

[0010] The horizontal push roller assembly includes a push roller frame, a push roller, and a push roller cylinder. The push roller cylinder is fixedly arranged on the outer side surface of the vertical support. The push roller frame is fixedly connected to the telescopic end of the push roller cylinder. The push roller is arranged on the push roller frame. On one side of the push roller frame connected to the push roller cylinder, there is a push roller guide shaft, and the push roller guide shaft penetrates through the vertical support.

[0011] The vertical pressure roller assembly includes a pressure roller frame, a pressure roller, and a pressure roller cylinder. The pressure roller cylinder is fixedly arranged on the top beam. The telescopic end of the pressure roller cylinder penetrates through the top beam. The pressure roller frame is fixedly connected to the telescopic end of the pressure roller cylinder. The pressure roller is arranged on the pressure roller frame. At the top of the pressure roller frame, there is a pressure roller guide shaft, and the pressure roller guide shaft penetrates through the top beam.

[0012] Reinforcing ribs are arranged on the outer side surface of the vertical support.

[0013] The conveying frame includes a conveying horizontal frame and legs. Several groups of legs are equidistantly arranged at the bottom of the conveying horizontal frame.

[0014] On the conveying horizontal frame, there are side pressing cylinders, and several groups of side pressing cylinders are equidistantly arranged on the conveying horizontal frame.

[0015] Between the horizontal part and the vertical part of the L-shaped plate structure of the material receiving platform, it is connected through an arc transition, and wear-resistant rubber layers are coated on the surfaces of the material receiving horizontal roller and the material receiving vertical roller.

[0016] The upper surface of the support plate is provided with anti-slip patterns, and its bottom is detachably connected to the chassis through bolts.

[0017] A linear bearing is arranged between the push roller guide shaft and the vertical support. The push roller cylinder is a double-acting cylinder, and a buffer device is provided at the end of its stroke.

[0018] The surface of the pressure roller is provided with spiral grooves. A position sensor is installed between the pressure roller guide shaft and the top beam to detect the real-time position of the pressure roller.

[0019] The reinforcing ribs are rectangular steel plates, which are equidistantly distributed along the length direction of the vertical support and are welded and fixed to the vertical support.

[0020] The side pressing cylinders are linked through a synchronous controller, and a pressure sensor is provided at their telescopic ends to feedback the clamping force data to the control system.

[0021] Height adjustment bolts are installed at the bottom of the outriggers, and photoelectric sensors are provided on both sides of the conveying horizontal frame to detect the conveying position of the I-beam.

[0022] The connection base and the chassis are connected through a dovetail groove structure, and shock pads are provided at the bottom of the connection base.

[0023] The inside of the top beam is a hollow structure, and heat dissipation holes are provided on both sides thereof. The connection between the top beam and the vertical strut is reinforced by a reinforcing rib plate.

[0024] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0025] Through the combined action of the horizontal push roller assembly and the vertical pressure roller assembly, the equipment can achieve precise alignment and stable clamping of the I-beam. This function not only improves the accuracy and stability of welding, but also avoids errors and safety hazards caused by improper manual operation; through the setting of continuous welding robots on both sides of the continuous welding fixing frame, intelligent welding can be realized, which not only improves the welding efficiency, but also ensures the consistency and stability of the welding quality; the setting of the receiving horizontal roller, the receiving vertical roller and the support plate enables the I-beam to enter the continuous welding fixing frame more stably, and together with the side top pressing cylinder, it improves the alignment accuracy of the continuous welding of the I-beam; the equipment greatly reduces the labor intensity of the operators. They no longer need to perform repetitive physical labor for a long time and can participate more in the monitoring and maintenance of the equipment, thereby improving the comfort and safety of the work; it not only reduces the labor intensity of the staff, but also achieves the purpose of reducing labor costs and improving industrial efficiency. Brief Description of the Drawings

[0026] Figure 1 is a schematic structural diagram of the present utility model;

[0027] Figure 2 is a front view of the present utility model;

[0028] Figure 3 is a side view of the present utility model;

[0029] Figure 4 is a top view of the present utility model;

[0030] Figure 5 is a schematic structural diagram of the continuous welding fixing frame in the present utility model;

[0031] Figure 6 is Figure 5 an enlarged schematic view of part A in

[0032] In the figure: 1 is a continuous welding fixing frame, 2 is a conveying frame, 3 is a continuous welding robot, 4 is a chassis, 5 is a connecting base, 6 is a vertical support, 7 is a top beam, 8 is a reinforcing rib, 9 is a material receiving platform, 10 is a horizontal material receiving roller, 11 is a vertical material receiving roller, 12 is a support plate, 13 is a horizontal pushing roller assembly, 14 is a pushing roller frame, 15 is a pushing roller, 16 is a pushing roller cylinder, 17 is a pushing roller guide shaft, 18 is a vertical pressing roller assembly, 19 is a pressing roller frame, 20 is a pressing roller, 21 is a pressing roller cylinder, 22 is a pressing roller guide shaft, 23 is a horizontal conveying frame, 24 is a leg, and 25 is a side tightening cylinder. Detailed implementation manner

[0033] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0034] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below.

[0035] As Figures 1 to 6 shown, an automatic butt welding and continuous welding device for I-beams includes a continuous welding fixing frame 1, a conveying frame 2 and a continuous welding robot 3. The conveying frame 2 is erected on the front and rear sides of the continuous welding fixing frame 1, and the continuous welding robot 3 is arranged on the left and right sides of the continuous welding fixing frame 1. The continuous welding fixing frame 1 includes a chassis 4 and a connecting base 5. The chassis 4 is fixedly arranged on both sides of the connecting base 5. On both sides of the top of the chassis 4, vertical supports 6 are symmetrically arranged. Between the tops of the two vertical supports 6, they are fixedly connected by a top beam 7. A horizontal pushing roller assembly 13 is arranged on the vertical support, and a vertical pressing roller assembly 18 is arranged on the top beam 7. The conveying frame 2 feeds two I-beams from both sides of the continuous welding fixing frame 1, and the horizontal pushing roller assembly 13 and the vertical pressing roller assembly 18 press the I-beams to be continuously welded to complete positioning. By controlling the continuous welding robots 3 on both sides, continuous welding processing is carried out on the connection part of the two I-beams.

[0036] Preferably, on both sides of the top of the chassis 4, a material receiving platform 9 is arranged. The material receiving platform 9 adopts an L-shaped plate structure. On the material receiving platform 9, a horizontal material receiving roller 10 and a vertical material receiving roller 11 are arranged. The horizontal material receiving roller 10 and the vertical material receiving roller 11 can smoothly feed the I-beams on the conveying frame 2 into the continuous welding fixing frame 1 to prevent the I-beams from colliding with the continuous welding fixing frame 1 and resulting in unsuccessful feeding.

[0037] Preferably, on both sides of the top of the chassis 4, support plates 12 are arranged. The support plates 12 are arranged at the side edge positions on the upper surface of the chassis 4. The function of the support plates 12 is to lift the I-beams and ensure the stability of the I-beams during continuous welding.

[0038] Preferably, the horizontal push roller assembly 13 includes a push roller frame 14, a push roller 15 and a push roller cylinder 16. The push roller cylinder 16 is fixedly arranged on the outer side surface of the vertical support 6. The push roller frame 14 is fixedly connected to the telescopic end of the push roller cylinder 16. The push roller 15 is arranged on the push roller frame 14. A push roller guide shaft 17 is arranged on one side of the push roller frame 14 connected to the push roller cylinder 16, and the push roller guide shaft 17 penetrates through the vertical support 6. The position of the push roller frame 14 and the push roller 15 can be controlled by the push roller cylinder 16 to position the I-beam in the horizontal direction for feeding.

[0039] Preferably, the vertical pressure roller assembly 18 includes a pressure roller frame 19, a pressure roller 20 and a pressure roller cylinder 21. The pressure roller cylinder 21 is fixedly arranged on the top beam 7, and the telescopic end of the pressure roller cylinder 21 penetrates through the top beam 7. The pressure roller frame 19 is fixedly connected to the telescopic end of the pressure roller cylinder 21. The pressure roller 20 is arranged on the pressure roller frame 19. A pressure roller guide shaft 22 is arranged at the top of the pressure roller frame 19, and the pressure roller guide shaft 22 penetrates through the top beam 7. The pressure roller cylinder 21 can control the pressure roller frame 21 and the pressure roller 20 in the vertical direction to press and position the I-beam with the pressure roller 20.

[0040] Preferably, reinforcing ribs 8 are arranged on the outer side surface of the vertical support 6. The design of the reinforcing ribs 8 improves the support strength of the vertical support 6.

[0041] Preferably, the conveying frame 2 includes a conveying horizontal frame 23 and legs 24, and several groups of legs 24 are arranged at equal intervals at the bottom of the conveying horizontal frame 23.

[0042] Preferably, side tightening cylinders 25 are arranged on the conveying horizontal frame 23, and several groups of side tightening cylinders 25 are arranged at equal intervals on the conveying horizontal frame 23. The several side tightening cylinders 25 move synchronously, and their function is to limit the I-beam on the conveying horizontal frame 23 to make the position of the I-beam accurate when it enters the continuous welding and fixing frame 1.

[0043] Preferably, the horizontal part and the vertical part of the L-shaped plate structure of the receiving platform 9 are connected by an arc transition, and wear-resistant rubber layers are coated on the surfaces of the receiving horizontal rollers 10 and the receiving vertical rollers 11.

[0044] Preferably, anti-slip patterns are arranged on the upper surface of the support plate 12, and its bottom is detachably connected to the bottom frame 4 by bolts.

[0045] Preferably, a linear bearing is arranged between the push roller guide shaft 17 and the vertical support 6. The push roller cylinder 16 is a double-acting cylinder, and a buffer device is provided at the end of its stroke.

[0046] Preferably, spiral grooves are arranged on the surface of the pressure roller 20, and a position sensor is installed between the pressure roller guide shaft 22 and the top beam 7 to detect the real-time position of the pressure roller 20.

[0047] Preferably, the reinforcing ribs 8 are rectangular steel plates, which are evenly distributed along the length direction of the upright support 6 and are welded and fixed to the upright support 6 .

[0048] Preferably, the side tightening cylinder 25 is linked via a synchronous controller, and a pressure sensor is provided at its telescopic end for feeding back the clamping force data to the control system.

[0049] Preferably, height adjustment bolts are installed at the bottom of the supporting legs 24, and photoelectric sensors are provided on both sides of the conveying horizontal frame 23 for detecting the conveying position of the I-beam.

[0050] Preferably, the connection base 5 is connected to the base frame 4 via a dovetail groove structure, and a shock-absorbing pad is provided at the bottom of the connection base 5.

[0051] Preferably, the interior of the top beam 7 is a hollow structure, and heat dissipation holes are provided on both sides thereof, and the connection between the top beam 7 and the vertical support 6 is reinforced by reinforcing ribs.

[0052] Preferably, the I-beam or H-beam to be processed is placed on the conveyor frame 2 by the feeding equipment, conveyed forward to the designated position, and waits for the next I-beam to be connected. The feeding equipment feeds the next I-beam onto the conveyor frame 2, and the conveying roller conveys the I-beam forward. The second I-beam is conveyed to the position of the detection device, and the conveying is stopped. The side tightening cylinder 25 clamps the side of the I-beam to align the I-beams on both sides. The horizontal push roller assembly 13 in the welding fixture 1 presses the side of the I-beam, and the vertical pressure roller assembly 18 presses the top of the I-beam to ensure the accurate positioning of the I-beams on both sides. The welding robots 3 on both sides automatically weld the I-beams to the joints. After the welding is completed, the push roller cylinder 16 and the pressure roller cylinder 21 are released to complete the automatic welding and docking of the I-beams.

[0053] Only the preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention, and various changes should be included in the protection scope of the present invention.

Claims

1. An automatic butt welding device for I-beams, characterized in that: The invention comprises a welding continuation fixed frame (1), a conveying frame (2) and a welding continuation robot (3), wherein the conveying frame (2) is mounted on the front and rear sides of the welding continuation fixed frame (1), and the welding continuation robot (3) is arranged on the left and right sides of the welding continuation fixed frame (1). The welding continuation fixed frame (1) comprises a base frame (4) and a connecting base (5), wherein the base frame (4) is fixedly arranged on both sides of the connecting base (5), and vertical supports (6) are symmetrically arranged on both sides of the top of the base frame (4), and the tops of the two vertical supports (6) are fixedly connected by a top beam (7), and a horizontal push roller assembly (13) is arranged on the vertical supports, and a vertical pressure roller assembly (18) is arranged on the top beam (7).

2. The automatic butt welding device for I-beams according to claim 1 is characterized in that: A material receiving platform (9) is arranged on both sides of the top of the base frame (4); the material receiving platform (9) adopts an L-shaped plate structure; and a material receiving horizontal roller (10) and a material receiving vertical roller (11) are arranged on the material receiving platform (9).

3. The automatic butt welding device for I-beams according to claim 1 is characterized in that: Support plates (12) are arranged on both sides of the top of the base frame (4), and the support plates (12) are arranged at the side edge positions of the upper surface of the base frame (4).

4. The automatic butt welding device for I-beams according to claim 1 is characterized in that: The horizontal push roller assembly (13) comprises a push roller frame (14), a push roller (15) and a push roller cylinder (16); the push roller cylinder (16) is fixedly arranged on the outer side of the vertical support (6); the push roller frame (14) is fixedly connected to the telescopic end of the push roller cylinder (16); the push roller (15) is arranged on the push roller frame (14); a push roller guide shaft (17) is arranged on the side where the push roller frame (14) is connected to the push roller cylinder (16); and the push roller guide shaft (17) passes through the vertical support (6).

5. The automatic butt welding device for I-beams according to claim 1 is characterized in that: The vertical pressure roller assembly (18) comprises a pressure roller frame (19), a pressure roller (20) and a pressure roller cylinder (21); the pressure roller cylinder (21) is fixedly arranged on the top beam (7); the telescopic end of the pressure roller cylinder (21) penetrates the top beam (7); the pressure roller frame (19) is fixedly connected to the telescopic end of the pressure roller cylinder (21); the pressure roller (20) is arranged on the pressure roller frame (19); a pressure roller guide shaft (22) is arranged on the top of the pressure roller frame (19); and the pressure roller guide shaft (22) penetrates the top beam (7).

6. The automatic butt welding device for I-beams according to claim 1, characterized in that: Reinforcing ribs (8) are provided on the outer side surface of the upright support (6).

7. The automatic butt welding device for I-beams according to claim 1, characterized in that: The conveying frame (2) comprises a conveying horizontal frame (23) and supporting legs (24), wherein a plurality of groups of supporting legs (24) are equidistantly arranged at the bottom of the conveying horizontal frame (23).

8. The automatic butt welding device for I-beams according to claim 7, characterized in that: The conveying horizontal frame (23) is provided with side tightening cylinders (25), and a plurality of groups of the side tightening cylinders (25) are arranged at equal intervals on the conveying horizontal frame (23).

9. The automatic butt welding device for I-beams according to claim 2, characterized in that: The horizontal part and the vertical part of the L-shaped plate structure of the material receiving platform (9) are connected via an arc-shaped transition, and the surfaces of the material receiving horizontal roller (10) and the material receiving vertical roller (11) are both coated with a wear-resistant rubber layer.

10. The automatic butt welding device for I-beams according to claim 3, characterized in that: The upper surface of the support plate (12) is provided with anti-slip patterns, and the bottom thereof is detachably connected to the base frame (4) via bolts.

11. The automatic butt welding device for I-beams according to claim 4, characterized in that: A linear bearing is provided between the push roller guide shaft (17) and the vertical support (6); the push roller cylinder (16) is a double-acting cylinder and a buffer device is provided at the end of its stroke.

12. The automatic butt welding device for I-beams according to claim 5, characterized in that: The surface of the pressure roller (20) is provided with a spiral groove, and a position sensor is installed between the pressure roller guide shaft (22) and the top beam (7) for detecting the real-time position of the pressure roller (20).

13. The automatic butt welding device for I-beams according to claim 6, characterized in that: The reinforcing ribs (8) are rectangular steel plates, are equidistantly distributed along the length direction of the upright support (6), and are fixed to the upright support (6) by welding.

14. The automatic butt welding device for I-beams according to claim 8, characterized in that: The side tightening cylinder (25) is linked via a synchronous controller, and a pressure sensor is provided at its telescopic end for feeding back clamping force data to the control system.

15. The automatic butt welding device for I-beams according to claim 7, characterized in that: A height adjustment bolt is installed at the bottom of the support leg (24), and photoelectric sensors are provided on both sides of the conveying horizontal frame (23) for detecting the conveying position of the I-beam.

16. The automatic butt welding device for I-beams according to claim 1, characterized in that: The connection base (5) and the base frame (4) are connected via a dovetail groove structure, and a shock-absorbing pad is provided at the bottom of the connection base (5).

17. The automatic butt welding device for I-beams according to claim 1, characterized in that: The interior of the top beam (7) is a hollow structure, and heat dissipation holes are arranged on both sides thereof; the connection between the top beam (7) and the vertical support (6) is reinforced by a reinforcing rib plate.

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