A multi-station tool for welding elbows and flanges

Abstract

The present invention relates to a multi-station tool for welding a bend pipe and a flange, which belongs to the technical field of welding bend pipes and flanges, and includes a base and a chassis, wherein the upper surface of the base is provided with a fixed platform, and the upper surface of the fixed platform is provided with a welding robot. The multi-station tool for welding a bend pipe and a flange, and the hole in the flange is slidably inserted on the outer side of the left and right positioning rods, and then the electric push rod can be started, and the left and right pressing blocks are driven to press down and fix the flange on the upper surface of the placement platform through the mutual cooperation between the left and right first connecting rods, the left and right second connecting rods, the left and right third connecting rods and the fixed blocks, and three placing platforms are provided to simultaneously press down and fix three flanges, and then the welding robot and the welding gun are started, and the three bend pipes and the three flanges are welded separately, so that welding can be performed at multiple stations to improve welding efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of welding of bent pipes and flanges, in particular to a multi-station tooling for welding bent pipes and flanges. Background Art

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. The spray gun includes flanges, elbows and straight pipes, among which the flanges and elbows are fixed by welding process. When welding the flanges and elbows, welding tools are required for welding.

[0003] For example, Chinese patent CN215616199U discloses a flange pipe welding device, which includes a workbench, a welding device connected to the workbench, a positioning device connected to the workbench, the positioning device includes a rotating seat rotatably connected to the workbench, a rotating member connected to the workbench for driving the rotating seat to rotate, and a fixing member connected to the workbench, the rotating seat is provided with a positioning groove for placing a flange, the fixing member is used to vertically press the straight pipe against the flange in the positioning groove, the welding device includes a welding gun, and a moving member for driving the welding gun to approach or move away from the rotating seat, the gun head of the welding gun is aimed at the connection between the flange and the straight pipe, and the application has the effect of improving the processing accuracy.

[0004] Although the above patent has the effect of improving processing accuracy, the equipment in the patent uses a single-station tooling. When batch welding is required, its welding efficiency is average, which reduces its practicality. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a multi-station tooling for welding bent pipes and flanges, which has the advantages of using multiple stations for welding and high efficiency. It solves the problem that the equipment uses a single-station tooling, and when batch welding is required, its welding efficiency is general, thereby reducing the practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-station tool for welding a bent pipe and a flange, comprising a base and a base frame, the upper surface of the base is provided with a fixed platform, the upper surface of the fixed platform is provided with a welding robot, one end of the welding robot is provided with a welding gun, the upper surface of the base frame is provided with a clamping assembly, the clamping assembly comprises clamping units arranged on the left and right sides and the front side of the upper surface of the base frame, and the left and right sides of the upper surface of the base are provided with adjustment assemblies;

[0007] Each of the clamping units includes a mounting plate, two support rods, a placement table, two positioning rods, an electric push rod, a fixing block and a connecting assembly. The mounting plate is fixed to the upper surface of the base frame by threads, the two support rods are arranged on the left and right sides of the mounting plate, the placement table is arranged at the top ends of the left and right support rods, the two positioning rods are arranged on the left and right sides of the upper surface of the placement table, the electric push rod is assembled on the upper surface of the mounting plate, and the fixing block is assembled on the outer side of the output shaft of the electric push rod.

[0008] By adopting this technical solution, multiple workstations are used for welding, which has high efficiency.

[0009] Furthermore, the connecting assembly includes two first connecting rods, two second connecting rods, two third connecting rods and two pressing blocks. The opposite sides of the two first connecting rods are hingedly connected to the left and right sides of the fixed block through a hinge seat, the top ends of the two first connecting rods are hingedly connected to the bottom ends of the left and right second connecting rods, the opposite sides of the left and right third connecting rods are hingedly connected to the left and right sides of the placing table through a hinge seat, the opposite sides of the left and right third connecting rods are fixedly connected to the opposite sides of the left and right second connecting rods, and the pressing block is arranged on the lower side of one end of the second connecting rod.

[0010] By adopting this technical solution, the left and right pressing blocks can be driven through the connecting components to press the flange down and fix it.

[0011] Furthermore, the number of the mounting plates is three.

[0012] By adopting this technical solution, three flanges are fixed by setting three mounting plates, and multi-station welding is performed.

[0013] Furthermore, the adjustment assembly includes two support frames, two motors, two rotating rods and two turntables. The bottom ends of the two support frames are fixedly connected to the left and right sides of the upper surface of the base, the two motors are assembled on the opposite sides of the left and right support frames, and the two rotating rods are rotatably connected to the opposite sides of the left and right support frames through bearings.

[0014] By adopting this technical solution, the position of the welding point on the workpiece can be adjusted by adjusting the components, which is applicable to welding at multiple different positions on the workpiece.

[0015] Furthermore, the outer sides of the motor output shafts on the left and right sides rotate through the left and right support frames and are fixedly connected to the sides opposite to the left and right rotating rods, the sides opposite to the left and right rotating disks are fixedly connected to the sides opposite to the left and right rotating rods, and the sides opposite to the left and right rotating disks are fixedly connected to the left and right sides of the base frame.

[0016] By adopting this technical solution, the motors on the left and right sides can drive the rotating rods on the left and right sides to rotate synchronously.

[0017] Furthermore, the turntable is located on the transverse center axis of the base frame.

[0018] By adopting this technical solution, the beveling angle of the chassis can be adjusted by rotating the turntables on the left and right sides.

[0019] Furthermore, the left and right support frames are symmetrically distributed on the left and right sides of the longitudinal center axis of the base.

[0020] By adopting this technical solution, the support frames on the left and right sides can support the base frame.

[0021] Furthermore, the fixing platform is located on the longitudinal center axis of the base, and the base frame is located outside the fixing platform.

[0022] By adopting this technical solution, the welding robot can be fixed by a fixing table.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] 1. The multi-station tooling for welding the elbow and the flange can place the flange on the upper surface of the placement table when welding the elbow and the flange, and the hole in the flange can be slidably inserted on the outer sides of the left and right positioning rods, and then the electric push rod can be started, and the left and right first connecting rods, the left and right second connecting rods, the left and right third connecting rods and the fixed blocks can cooperate with each other to drive the left and right pressing blocks to press the flange down and fix it on the upper surface of the placement table. By providing three placement tables, three flanges can be pressed down and fixed at the same time, and then the welding robot and the welding gun can be started, and the three elbows can be welded with the three flanges respectively, so that welding can be performed at multiple stations to improve welding efficiency.

[0025] 2. The multi-station tooling used for welding the elbow and the flange can start the motors on the left and right sides at the same time during welding, driving the right turntable to rotate synchronously, and then drive the chassis to tilt the angle, so as to adjust the position of the welding point on the workpiece, which is suitable for welding at multiple different positions on the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the three-dimensional structure of the welding robot of the utility model;

[0028] Figure 3 This is a schematic diagram of the clamping unit of the utility model;

[0029] Figure 4 It is a schematic diagram of the adjustment component of the utility model.

[0030] In the figure: 1. base; 2. base frame; 3. fixed table; 4. welding robot; 5. welding gun; 6. clamping unit; 61. mounting plate; 62. support rod; 63. placement table; 64. positioning rod; 65. electric push rod; 66. fixed block; 661. first connecting rod; 662. second connecting rod; 663. third connecting rod; 664. pressing block; 71. support frame; 72. motor; 73. rotating rod; 74. turntable. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figures 1 to 2 In this embodiment, a multi-station tooling for welding a bent pipe and a flange comprises a base 1 and a base frame 2. A fixed platform 3 is arranged on the upper surface of the base 1, a welding robot 4 is arranged on the upper surface of the fixed platform 3, a welding gun 5 is arranged at one end of the welding robot 4, a clamping assembly is arranged on the upper surface of the base frame 2, and the clamping assembly can be welded at multiple stations with high efficiency. The clamping assembly comprises clamping units 6 arranged on the left and right sides and the front side of the upper surface of the base frame 2, and adjustment assemblies are arranged on the left and right sides of the upper surface of the base 1. The adjustment assembly can adjust the position of the welding point on the workpiece, and can be applicable to welding at multiple different positions on the workpiece.

[0033] In this embodiment, the fixing platform 3 is located on the longitudinal center axis of the base 1 , and the base frame 2 is located outside the fixing platform 3 .

[0034] It should be noted that the welding robot 4 is a prior art, and the welding robot 4 and the welding gun 5 cooperate with each other to weld the bent pipe and the flange.

[0035] See also Figure 3In order to use multiple workstations for welding with high efficiency, in this embodiment, each clamping unit 6 includes a mounting plate 61, two support rods 62, a placement table 63, two positioning rods 64, an electric push rod 65, a fixing block 66 and a connecting assembly. The mounting plate 61 is fixed to the upper surface of the base frame 2 by threads, the two support rods 62 are arranged on the left and right sides of the mounting plate 61, the placement table 63 is arranged at the top of the left and right support rods 62, the two positioning rods 64 are both arranged on the left and right sides of the upper surface of the placement table 63, the electric push rod 65 is assembled on the upper surface of the mounting plate 61, and the fixing block 66 is assembled on the outer side of the output shaft of the electric push rod 65.

[0036] In this embodiment, when welding the bent pipe and the flange, the flange can be placed on the upper surface of the placement table 63, and the hole in the flange can be slidably inserted into the outer side of the left and right side positioning rods 64, and then the electric push rod 65 can be started.

[0037] In this embodiment, the connecting assembly includes two first connecting rods 661, two second connecting rods 662, two third connecting rods 663 and two pressing blocks 664. The opposite sides of the two first connecting rods 661 are hingedly connected to the left and right sides of the fixed block 66 through a hinge seat, the top ends of the two first connecting rods 661 are hingedly connected to the bottom ends of the left and right second connecting rods 662, the opposite sides of the left and right third connecting rods 663 are hingedly connected to the left and right sides of the placement table 63 through a hinge seat, the opposite sides of the left and right third connecting rods 663 are fixedly connected to the opposite sides of the left and right second connecting rods 662, the pressing block 664 is arranged on the lower side of one end of the second connecting rod 662, and the number of mounting plates 61 is three.

[0038] It should be noted that, through the cooperation between the left and right first connecting rods 661, the left and right second connecting rods 662, the left and right third connecting rods 663 and the fixed blocks 66, the left and right pressing blocks 664 are driven to press the flange down and fix it on the upper surface of the placement table 63. By setting up three placement tables 63, three flanges can be pressed down and fixed at the same time, and then the welding robot 4 and the welding gun 5 are started, and the three bent pipes are welded to the three flanges respectively.

[0039] See also Figure 4In order to adjust the position of the welding point on the workpiece, it is applicable to welding at multiple different positions on the workpiece. In this embodiment, the adjustment component includes two support frames 71, two motors 72, two rotating rods 73 and two turntables 74. The bottom ends of the two support frames 71 are fixedly connected to the left and right sides of the upper surface of the base 1, and the two motors 72 are assembled on the opposite sides of the left and right support frames 71. The two rotating rods 73 are rotatably connected to the opposite sides of the left and right support frames 71 through bearings. When welding, the left and right motors 72 can be started at the same time to drive the left and right rotating rods 73 and the left and right turntables 74 to rotate synchronously.

[0040] In this embodiment, the outer sides of the output shafts of the left and right motors 72 rotate through the left and right support frames 71 and are fixedly connected to the sides opposite to the left and right rotating rods 73, the sides opposite to the left and right turntables 74 are fixedly connected to the sides opposite to the left and right rotating rods 73, and the sides opposite to the left and right turntables 74 are fixedly connected to the left and right sides of the base frame 2. The turntable 74 is located on the horizontal central axis of the base frame 2, and the left and right support frames 71 are symmetrically distributed on the left and right sides of the longitudinal central axis of the base 1.

[0041] It should be noted that the base frame 2 can be driven to tilt, thereby adjusting the position of the welding point on the workpiece, and is applicable to welding at multiple different positions on the workpiece.

[0042] The working principle of the above embodiment is:

[0043] (1) When welding the bent pipe and the flange, the flange can be placed on the upper surface of the placement table 63, and the hole in the flange can be slidably inserted into the outer side of the left and right positioning rods 64, and then the electric push rod 65 can be started. Through the cooperation between the left and right first connecting rods 661, the left and right second connecting rods 662, the left and right third connecting rods 663 and the fixing block 66, the left and right pressing blocks 664 are driven to press the flange down and fix it on the upper surface of the placement table 63. By setting up three placement tables 63, three flanges can be pressed down and fixed at the same time, and then the welding robot 4 and the welding gun 5 are started, and the three bent pipes and the three flanges are welded respectively.

[0044] 1. When welding, the left and right motors 72 can be started at the same time to drive the left and right rotating rods 73 and the left and right turntables 74 to rotate synchronously, and then the base frame 2 can be driven to tilt, so as to adjust the position of the welding point on the workpiece, which is suitable for welding at multiple different positions on the workpiece.

Claims

1. A multi-station tool for welding a bent pipe and a flange, comprising a base (1) and a base frame (2), characterized in that: A fixing platform (3) is arranged on the upper surface of the base (1), a welding robot (4) is arranged on the upper surface of the fixing platform (3), a welding gun (5) is arranged at one end of the welding robot (4), a clamping assembly is arranged on the upper surface of the base frame (2), the clamping assembly comprises clamping units (6) arranged on the left and right sides and the front side of the upper surface of the base frame (2), and adjustment assemblies are arranged on the left and right sides of the upper surface of the base (1); Each of the clamping units (6) comprises a mounting plate (61), two support rods (62), a placement table (63), two positioning rods (64), an electric push rod (65), a fixing block (66) and a connecting assembly. The mounting plate (61) is fixed to the upper surface of the base frame (2) by means of threads. The two support rods (62) are arranged on the left and right sides of the mounting plate (61). The placement table (63) is arranged at the top ends of the left and right support rods (62). The two positioning rods (64) are arranged on the left and right sides of the upper surface of the placement table (63). The electric push rod (65) is mounted on the upper surface of the mounting plate (61). The fixing block (66) is mounted on the outer side of the output shaft of the electric push rod (65).

2. The multi-station tooling for welding a bent pipe and a flange according to claim 1, characterized in that: The connecting assembly comprises two first connecting rods (661), two second connecting rods (662), two third connecting rods (663) and two pressing blocks (664); the opposite sides of the two first connecting rods (661) are hingedly connected to the left and right sides of the fixing block (66) through hinge seats; the top ends of the two first connecting rods (661) are hingedly connected to the bottom ends of the left and right second connecting rods (662); the opposite sides of the left and right third connecting rods (663) are hingedly connected to the left and right sides of the placing table (63) through hinge seats; the opposite sides of the left and right third connecting rods (663) are fixedly connected to the opposite sides of the left and right second connecting rods (662); and the pressing block (664) is arranged on the lower side of one end of the second connecting rod (662).

3. The multi-station tooling for welding a bent pipe and a flange according to claim 1, characterized in that: The number of the mounting plates (61) is three.

4. The multi-station tooling for welding a bent pipe and a flange according to claim 1, characterized in that: The adjustment assembly comprises two support frames (71), two motors (72), two rotating rods (73) and two rotating disks (74); the bottom ends of the two support frames (71) are fixedly connected to the left and right sides of the upper surface of the base (1); the two motors (72) are mounted on the opposite sides of the left and right support frames (71); and the two rotating rods (73) are rotatably connected to the opposite sides of the left and right support frames (71) via bearings.

5. The multi-station tooling for welding a bent pipe and a flange according to claim 4 is characterized in that: The outer sides of the output shafts of the left and right motors (72) rotate through the left and right support frames (71) and are fixedly connected to the opposite sides of the left and right rotating rods (73); the opposite sides of the left and right rotating disks (74) are fixedly connected to the opposite sides of the left and right rotating rods (73); and the opposite sides of the left and right rotating disks (74) are fixedly connected to the left and right sides of the bottom frame (2).

6. The multi-station tooling for welding a bent pipe and a flange according to claim 4, characterized in that: The rotating disk (74) is located on the transverse center axis of the base frame (2).

7. The multi-station tooling for welding a bent pipe and a flange according to claim 4, characterized in that: The left and right support frames (71) are symmetrically distributed on the left and right sides of the longitudinal center axis of the base (1).

8. The multi-station tooling for welding a bent pipe and a flange according to claim 1, characterized in that: The fixing platform (3) is located on the longitudinal center axis of the base (1), and the base frame (2) is located outside the fixing platform (3).

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