Self-adaptive welding device for steel member assembly

Abstract

The invention discloses a self-adaptive welding device for steel member assembly, comprising: a welding unit comprising a first linear slide rail and a welding robot; the positioning unit comprises a base, a second linear sliding rail, a bearing plate, an arc-shaped supporting plate, a rack and a first driving air cylinder, the base is connected to the second linear sliding rail in a sliding mode, the bearing plate is rotatably installed on the base, a first clamping plate and a second clamping plate which are oppositely and symmetrically arranged are arranged on the bearing plate, and a to-be-welded steel component is placed on the bearing plate; arc-shaped supporting plates are symmetrically arranged on the two sides of the bearing plate, a plurality of meshing teeth are arranged on the surfaces of the arc-shaped supporting plates in the circumferential direction, and the meshing teeth are meshed with the racks. Compared with the prior art, the problem that in an existing welding device, only a welding robot capable of achieving linear movement cannot meet the welding requirements of multiple welding positions of a steel member is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of steel components, and particularly to an adaptive welding device for assembling steel components. Background Art

[0002] Steel components are load-bearing and force-transmitting units composed of steel materials such as steel plates, angle steels, channel steels, I-beams, and H-beams through connection methods such as welding, bolts, or rivets. Its core function is to bear various loads in the building structure and form a stable whole through the connections between components to ensure the strength and stability of the building structure.

[0003] During the processing of steel components, assembly is often achieved through welding. Due to the diverse shapes and welding positions of steel components, existing welding robots that can only move linearly cannot meet the welding requirements. Summary of the Invention

[0004] The purpose of the present invention is to provide an adaptive welding device for assembling steel components to solve the problem that existing welding robots that can only move linearly cannot meet the welding requirements for various welding positions of steel components.

[0005] To achieve the above purpose, the present invention adopts the following technical scheme: An adaptive welding device for assembling steel components, comprising:

[0006] A welding unit, which includes a first linear slide rail and a welding robot. A sliding seat is arranged on the first linear slide rail, and the welding robot is fixedly installed on the sliding seat;

[0007] A positioning unit, which includes a base, a second linear slide rail, a supporting plate, an arc-shaped supporting plate, a rack, and a first driving cylinder. The base is slidably connected to the second linear slide rail, the supporting plate is rotatably installed on the base, the supporting plate is provided with a first clamping plate and a second clamping plate arranged symmetrically facing each other, the steel component to be welded is placed on the supporting plate, arc-shaped supporting plates are symmetrically arranged on both sides of the supporting plate, a number of circumferentially arranged meshing teeth are arranged on the surface of the arc-shaped supporting plate, the meshing teeth are engaged with the rack, the rack is slidably connected and installed on the base, and the piston rod of the first driving cylinder is connected to the rack through an adapter block.

[0008] As a further description of the above technical scheme:

[0009] The first clamping plate is slidably connected to the surface of the supporting plate, and the second clamping plate is slidably connected to the surface of the supporting plate.

[0010] As a further description of the above technical scheme:

[0011] A first guide rod is arranged below the first clamping plate. The first guide rod is slidably connected in a first waist-shaped hole on the surface of the supporting plate. A first clamping cylinder is arranged below the supporting plate. The bottom of the first guide rod passes through the first waist-shaped hole and is connected to the piston rod of the first clamping cylinder.

[0012] As a further description of the above technical solution:

[0013] Support seats are symmetrically arranged on both sides of the base. Limit rods are arranged on the support seats. Arc-shaped holes are arranged on the arc-shaped support plate. The limit rods extend into the arc-shaped holes.

[0014] As a further description of the above technical solution:

[0015] The limit rods are detachably installed on the support seats.

[0016] As a further description of the above technical solution:

[0017] The limit rods are threadedly connected to the support seats.

[0018] As a further description of the above technical solution:

[0019] A number of positioning holes arranged in an array are provided on the surface of the supporting plate. Positioning rods are arranged in the positioning holes. The positioning rods are threadedly connected in the positioning holes.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0021] 1. In the present invention, during the welding process of steel members, the steel members to be welded are placed on the supporting plate and clamped by the first clamping plate and the second clamping plate. The welding robot in the welding unit can move in the Y-axis direction through the first linear slide rail. The supporting plate can slide on the second linear slide rail through the base to realize the X-axis direction movement of the steel members to be welded. And the reciprocating movement of the piston rod of the first driving cylinder drives the rack, so that the arc-shaped supporting plate drives the supporting plate to rotate and adjust the angle, thereby realizing that the steel members to be welded can be rotated and adjusted for the welding angle. For the complex welding point positions required for the steel members to be welded, the position and angle of the steel members to be welded can be fully adjusted to solve the problem that the welding robot that can only move linearly in the existing welding device cannot meet the welding requirements of various welding positions of steel members.

[0022] 2. In the present invention, the first clamping plate can adjust its position by the telescopic movement of the piston rod of the first clamping cylinder, so as to realize the clamping and positioning of the steel members to be welded on the supporting plate by the first clamping plate. In addition, after the first clamping plate and the second clamping plate clamp the steel members to be welded, the position is slidably adjusted, so that the steel members to be welded are clamped and move in the X-axis direction, cooperating with the second linear slide rail to increase the adjustment range of the steel members to be welded in the X-axis direction. Description of the Drawings

[0023] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0024] Figure 1 It is a schematic structural diagram of an adaptive welding device for steel member assembly.

[0025] Figure 2 It is a schematic structural diagram of the positioning unit in an adaptive welding device for steel member assembly Figure 1 。

[0026] Figure 3 It is a schematic structural diagram of the positioning unit in an adaptive welding device for steel member assembly Figure 2 。

[0027] Figure 4 It is a schematic structural diagram of the positioning unit in an adaptive welding device for steel member assembly Figure 3 。

[0028] Figure 5 It is a schematic structural diagram of the positioning unit in an adaptive welding device for steel member assembly from a side view angle.

[0029] Legend description:

[0030] 1. First linear slide rail; 11. Sliding seat; 2. Welding robot; 3. Base; 31. Support seat; 311. Limit rod; 4. Second linear slide rail; 5. Support plate; 51. First clamping plate; 52. Second clamping plate; 53. First waist-shaped hole; 54. First clamping cylinder; 55. Positioning hole; 6. Arc-shaped support plate; 61. Arc-shaped hole; 7. Rack; 8. First driving cylinder; 81. Adapter block. Specific embodiments

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Accordingly, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0033] Embodiment 1

[0034] Please refer to Figures 1-5 , the present invention provides a technical solution: an adaptive welding device for steel member assembly, comprising:

[0035] A welding unit, which includes a first linear slide rail 1 and a welding robot 2. A sliding seat 11 is arranged on the first linear slide rail 1, and the welding robot 2 is fixedly installed on the sliding seat 11;

[0036] A positioning unit, which includes a base 3, a second linear slide rail 4, a supporting plate 5, an arc-shaped supporting plate 6, a rack 7 and a first driving cylinder 8. The base 3 is slidably connected to the second linear slide rail 4, the supporting plate 5 is rotatably installed on the base 3, and symmetrically arranged first clamping plates 51 and second clamping plates 52 are arranged on the supporting plate 5. The steel member to be welded is placed on the supporting plate 5. Symmetrically arranged arc-shaped supporting plates 6 are arranged on both sides of the supporting plate 5. A plurality of circumferentially arranged meshing teeth are arranged on the surface of the arc-shaped supporting plate 6, and the meshing teeth are engaged with the rack 7. The rack 7 is slidably connected and installed on the base 3. The piston rod of the first driving cylinder 8 is connected to the rack 7 through an adapter block 81.

[0037] Working principle: During the welding process of the steel member, the steel member to be welded is placed on the supporting plate 5 and clamped by the first clamping plate 51 and the second clamping plate 52. The welding robot 2 in the welding unit can move in the Y-axis direction through the first linear slide rail 1. The supporting plate 5 can slide on the second linear slide rail 4 through the base 3 to realize the X-axis direction movement of the steel member to be welded. The reciprocating movement of the piston rod of the first driving cylinder 8 drives the rack 7, so that the arc-shaped supporting plate 6 drives the supporting plate 5 to rotate and adjust the angle, and further realizes that the steel member to be welded can rotate and adjust the welding angle. For the complex welding point requirements of the steel member to be welded, the position and angle of the steel member to be welded can be fully adjusted to solve the problem that the welding robot that can only move linearly in the existing welding device cannot meet the welding requirements of various welding positions of the steel member.

[0038] Embodiment 2

[0039] On the basis of the above embodiment, this embodiment further makes the following improved technical solution: The first clamping plate 51 is slidably connected to the surface of the supporting plate 5, and the second clamping plate 52 is slidably connected to the surface of the supporting plate 5.

[0040] The installation structures of the first clamping plate 51 and the second clamping plate 52 are the same. Taking the installation structure of the first clamping plate 51 as an example:

[0041] A first guide rod is arranged below the first clamping plate 51. The first guide rod is slidably connected in a first waist-shaped hole 53 on the surface of the supporting plate 5. A first clamping cylinder 54 is arranged below the supporting plate 5. The bottom of the first guide rod passes through the first waist-shaped hole 53 and then connects to the piston rod of the first clamping cylinder 54.

[0042] The first clamping plate 51 can adjust its position by the telescopic movement of the piston rod of the first clamping cylinder 54, so as to realize the clamping and positioning of the steel member to be welded on the supporting plate 5. In addition, after the first clamping plate 51 and the second clamping plate 52 clamp the steel member to be welded, they slide and adjust their positions, so that the steel member to be welded is clamped and moved along the X-axis direction, cooperating with the second linear slide rail 4 to increase the adjustment range of the steel member to be welded in the X-axis direction.

[0043] Embodiment 3

[0044] On the basis of the above embodiment, the following further improved technical solutions are made in this embodiment: Symmetrically arranged support seats 31 are arranged on both sides of the base 3. A limiting rod 311 is arranged on the support seat 31. An arc-shaped hole 61 is arranged on the arc-shaped support plate 6. The limiting rod 311 extends into the arc-shaped hole 61 to realize the positioning of the base 3 to the supporting plate 5, so that the supporting plate 5 can be flipped to adjust the angle. The sliding of the limiting rod 311 in the arc-shaped hole 61 simultaneously limits the maximum adjustment angle.

[0045] The limiting rod 311 is detachably installed on the support seat 31. Specifically, the limiting rod 311 is threadedly connected to the support seat 31. The limiting rod 311 can be rotated and disassembled, which is convenient for separating the base 3 from the supporting plate 5.

[0046] Embodiment 4

[0047] On the basis of the above embodiment, the following further improved technical solutions are made in this embodiment: A plurality of positioning holes 55 arranged in an array are arranged on the surface of the supporting plate 5. A positioning rod is arranged in the positioning hole 55. The positioning rod is threadedly connected in the positioning hole 55.

[0048] The plurality of positioning holes 55 arranged in an array on the supporting plate 5 are used to install detachable positioning columns. On the basis of clamping and positioning the steel member to be welded by the first clamping plate 51 and the second clamping plate 52, the positioning columns are further used to realize the positioning of the outer shape of the steel member to be welded to ensure the welding quality, and the positioning columns can be installed and disassembled according to requirements to realize the positioning of different steel members to be welded.

[0049] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, shall be covered by the protection scope of the present invention.

Claims

1. An adaptive welding device for steel component assembly, characterized in that, Comprising: A welding unit, which includes a first linear slide rail and a welding robot. A sliding seat is arranged on the first linear slide rail, and the welding robot is fixedly installed on the sliding seat; A positioning unit, which includes a base, a second linear slide rail, a supporting plate, an arc-shaped supporting plate, a rack and a first driving cylinder. The base is slidably connected to the second linear slide rail, the supporting plate is rotatably installed on the base, the supporting plate is provided with a first clamping plate and a second clamping plate arranged symmetrically facing each other, a steel member to be welded is placed on the supporting plate, arc-shaped supporting plates arranged symmetrically are provided on both sides of the supporting plate, a plurality of circumferentially arranged meshing teeth are arranged on the surface of the arc-shaped supporting plate, the meshing teeth are meshed with the rack, the rack is slidably connected and installed on the base, and the piston rod of the first driving cylinder is connected to the rack through an adapter block.

2. The adaptive welding device for assembling steel components according to claim 1, characterized in that: The first clamping plate is slidably connected to the surface of the supporting plate, and the second clamping plate is slidably connected to the surface of the supporting plate.

3. The self - adaptive welding device for steel component assembly according to claim 2, characterized in that, A first guiding rod is arranged below the first clamping plate, the first guiding rod is slidably connected in a first waist-shaped hole on the surface of the supporting plate, a first clamping cylinder is arranged below the supporting plate, and the bottom of the first guiding rod passes through the first waist-shaped hole and then is connected to the piston rod of the first clamping cylinder.

4. The adaptive welding device for assembling steel components according to claim 1, characterized in that: Support seats arranged symmetrically are provided on both sides of the base, a limiting rod is arranged on the support seat, an arc-shaped hole is arranged on the arc-shaped supporting plate, and the limiting rod extends into the arc-shaped hole.

5. The adaptive welding device for assembling steel components according to claim 4, characterized in that: The limiting rod is detachably installed on the support seat.

6. The self - adaptive welding device for steel member assembly according to claim 5, characterized in that, The limiting rod is threadedly connected to the support seat.

7. An adaptive welding device for steel member assembly according to claim 1, characterized in that, A plurality of positioning holes arranged in an array are provided on the surface of the supporting plate, positioning rods are arranged in the positioning holes, and the positioning rods are threadedly connected in the positioning holes.

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