Displacement welding device of welding robot in underground limited space

Abstract

The utility model relates to the technical field of welding robots, in particular to a displacement welding device of a welding robot in an underground limited space, which comprises a base, the top of the base is movably connected with a fixing plate, the top end of the fixing plate is fixedly connected with a mounting seat, a speed reducer is arranged in the mounting seat, and the output end of the speed reducer is fixedly connected with a rotating shaft. The top end of the rotating shaft is fixedly connected with a rotating plate, and the end of the rotating plate is fixedly connected with a welding gun. One end of the top wall of the rotating plate is rotationally connected with a protective cover, a rotating rod is arranged at the joint of the protective cover and the rotating plate, the protective cover rotates with the rotating rod as the axis and wraps the end of the welding gun, a cleaning assembly is arranged on the top wall of the protective cover, and the cleaning assembly corresponds to the end of the welding gun. And through the arrangement of the base and the speed reducer, the whole equipment can be driven to do transverse reciprocating motion, meanwhile, the welding part of the equipment can rotate in all directions, and therefore the overall robot displacement adjusting effect and quality are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding robot technical field, concretely is a kind of welding robot's position change welding device in underground restricted space. BACKGROUND

[0002] Welding robot is a kind of highly automated welding equipment, it can complete various welding tasks by the movement of mechanical arm according to the pre-programmed program;Operator first sets up welding path, welding parameter by teaching device or off-line programming software to welding robot programming, programming is completed, and robot control system will program be converted into control instruction, drives mechanical arm to move according to predetermined trajectory, simultaneously control welding system to carry out welding operation.

[0003] Part of engineering operation needs to utilize welding robot to carry out automatic work, to replace manual work and reduce the degree of manual labor, the welding robot in underground space will exist angle, position limited phenomenon generates, cannot adjust direction according to actual operation needs, more serious some will lead to robot to be stuck in underground space, there is certain limitation to overall welding operation.

[0004] In order to solve the above problems, we make improvements, and propose a kind of welding robot's position change welding device in underground restricted space. INVENTION CONTENTS

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of welding robot's position change welding device in underground restricted space, including base, the top of base swing joint fixed plate, the top of fixed plate fixed connection mounting seat, the inside of mounting seat is provided with speed reducer, the output of speed reducer is fixedly connected with rotating shaft, the top of rotating shaft is fixedly connected with rotating plate, and the end of rotating plate is fixedly connected with welding torch;The top wall one end of rotating plate is rotatably connected with protective cover, and rotating rod is arranged at the connecting place of protective cover and rotating plate, the protective cover is rotated with rotating rod as pivot and the end of welding torch is covered, the top wall of protective cover is provided with cleaning assembly, and the end of cleaning assembly and welding torch correspond to each other.

[0007] As a preferred technical scheme of the utility model, the cleaning assembly includes motor two, the motor two is fixedly installed in the top end middle part of protective cover, the output of motor two is penetrated in protective cover and is fixedly connected with cleaning brush, and the bottom wall of cleaning brush is evenly distributed with several groups of soft hair brush.

[0008] As an improved technical scheme of the utility model, the connecting ears are fixedly installed on both sides of the bottom of the protective cover, the two groups of connecting ears are mutually inserted with the rotating rod, a groove is formed in the middle of the protective cover, and the top end of the protective cover is of arc structure.

[0009] As an improved technical scheme of the utility model, a limiting groove is formed in the middle of the base, motor one is fixedly connected to the top of one end of the base, a screw rod is horizontally arranged in the middle of the base, a moving block is threadedly connected to the screw rod, the moving block is embedded in the limiting groove, and the moving block and the limiting groove are slidably connected.

[0010] As an improved technical scheme of the utility model, the output end of motor one is connected with a transmission assembly, the transmission assembly comprises two groups of meshing bevel gears, one bevel gear is connected with the output end of motor one, the other bevel gear is correspondingly arranged with the screw rod at the middle axis, and the end portions of the screw rods in the middle of the bevel gears are fixedly connected.

[0011] As an improved technical scheme of the utility model, the top end of the moving block is fixedly connected with a bearing seat, and the top end of the bearing seat is connected with the bottom of the fixed plate.

[0012] As an improved technical scheme of the utility model, the top end of the moving block is fixedly connected with a bearing seat, and the top end of the bearing seat is connected with the bottom of the fixed plate.

[0013] The utility model discloses the beneficial effect is:

[0014] The variable position welding device of the welding robot in the underground limited space can drive the whole equipment to repeatedly move horizontally, and make the welding part of the equipment rotate in all directions, thereby greatly improving the effect and quality of the whole robot variable position adjustment.

[0015] In addition, the top of the welding gun is provided with a reversible protective cover, which can cover the end of the welding gun when it is completely lowered, thereby avoiding the phenomenon that the welding gun is directly exposed and collides with the adjacent building when moving in the underground space, and providing greater protection for the welding gun.

[0016] Further, the end of the protective cover is provided with a cleaning brush, which can clean the surface and end of the welding gun when the protective cover is at the end of the welding gun, thereby timely cleaning the welding slag, splashes and other impurities on the surface of the nozzle to prevent damage to the nozzle. DRAWINGS

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the fixing plate of this utility model;

[0020] Figure 3 This is a schematic diagram of the base structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the protective cover structure of this utility model.

[0022] In the diagram: 1. Base; 2. Limiting groove; 3. Moving block; 4. Screw; 5. Motor 1; 6. Load-bearing seat; 7. Fixing plate; 8. Mounting seat; 9. Reducer; 10. Rotating shaft; 11. Rotating plate; 12. Welding torch; 13. Protective cover; 14. Connecting ear; 15. Motor 2; 16. Cleaning brush. Detailed Implementation

[0023] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0024] Example: Figures 1-4 As shown, a displacement welding device for a welding robot in a confined underground space includes a base 1, a fixed plate 7 movably connected to the top of the base 1, a mounting seat 8 fixedly connected to the top of the fixed plate 7, a reducer 9 disposed inside the mounting seat 8, a rotating shaft 10 fixedly connected to the output end of the reducer 9, a rotating plate 11 fixedly connected to the top of the rotating shaft 10, and a welding torch 12 fixedly connected to the end of the rotating plate 11; a protective cover 13 is rotatably connected to one end of the top wall of the rotating plate 11, a rotating rod is disposed at the connection between the protective cover 13 and the rotating plate 11, the protective cover 13 rotates around the rotating rod as the axis and covers the end of the welding torch 12, and a cleaning component is disposed on the top wall of the protective cover 13, the cleaning component corresponding to the end of the welding torch 12;

[0025] It should be noted that by setting the base 1 and the reducer 9, the entire device can be driven to move laterally repeatedly, while the welded parts of the device can rotate in all directions, thereby greatly improving the effect and quality of the overall robot displacement adjustment.

[0026] The cleaning assembly comprises a motor 15 fixedly installed at the middle of the top end of the protective cover 13, the output end of the motor 15 penetrates the protective cover 13 and is fixedly connected with the cleaning brush 16, and a plurality of groups of soft hair brushes are uniformly distributed on the bottom wall of the cleaning brush 16.

[0027] In addition, the top of the welding torch 12 is provided with the reversible protective cover 13, which can completely cover the end of the welding torch 12 when it is lowered, so that the welding torch 12 is not directly exposed to the outside when moving in the underground space, and the phenomenon of collision with adjacent buildings is avoided, thereby protecting the welding torch 12. Further, the end of the protective cover 13 is provided with the cleaning brush 16, which cleans the surface and end of the welding torch 12 after the protective cover 13 is located at the end of the welding torch 12, and timely removes the impurities such as welding slag and splashes on the surface of the nozzle, so as to prevent damage to the nozzle.

[0028] The bottom of the protective cover 13 is fixedly provided with two connecting ears 14, the two groups of connecting ears 14 are inserted into the rotating rod, the middle of the protective cover 13 is provided with a groove, and the top end of the protective cover 13 is in an arc structure.

[0029] The middle of the base 1 is provided with a limiting groove 2, one end of the base 1 is fixedly connected with a motor 5, a screw rod 4 is transversely arranged in the middle of the base 1, a moving block 3 is threadedly connected to the screw rod 4, the moving block 3 is embedded in the limiting groove 2, and the moving block 3 and the limiting groove 2 are slidably connected.

[0030] It should be noted that the limiting groove 2 is provided, and the moving block 3 is embedded in the limiting groove 2, so as to achieve the limiting effect and enable the moving block 3 to slide, that is, the rotation of the screw rod 4 drives the moving block 3 to rotate, and since the bottom of the moving block 3 is limited, the moving block 3 can only move horizontally in the limiting groove 2, so as to adjust the movement range of the whole device.

[0031] The output end of the motor 5 is connected with a transmission assembly, the transmission assembly comprises two groups of meshing bevel gears, one bevel gear is connected with the output end of the motor 5, the other bevel gear is correspondingly arranged at the middle axis of the screw rod 4, and the middle part of the bevel gear is fixedly connected with the end of the screw rod 4.

[0032] The top end of the moving block 3 is fixedly connected with a bearing seat 6, and the top end of the bearing seat 6 is connected with the bottom of a fixed plate 7.

[0033] The top end of the rotating plate 11 is fixedly connected with a limiting plate, the end of the limiting plate is connected with the tail of the welding torch 12, a recess is arranged on the top wall of the rotating plate 11, and the end of the welding torch 12 is fixedly arranged in the recess. The recess is arranged, and the welding torch 12 is fixedly arranged in the recess, so as to ensure that the welding torch 12 has a certain limiting effect during operation, thereby ensuring the firmness of the welding torch 12 and improving the accuracy of later welding.

[0034] Working principle: the position welding device of the underground welding robot in the limited space, in use, according to the actual operation needs, and drive motor 5 and speed reducer 9, so that the fixed seat 7 and the welding gun 12 position movement or angle rotation, greatly improve the operation efficiency of the later stage, let the whole welding gun 12 can realize free adjustment in the underground limited space;

[0035] In the moving process, the protective cover 13 of the welding gun 12 is turned over, and the protective cover 13 is rotated around the rotating rod as the axis. As can be seen from the figure, the end of the protective cover 13 is arc-shaped structure (this structure directly aligns with the end of the welding gun 12 after turning over), which directly protects the welding gun 12, thereby avoiding the phenomenon of direct exposure of the welding gun 12 to the adjacent building when moving in the underground space, and providing greater protection for the welding gun 12. Start motor 2 15, motor 2 15 drives the cleaning brush 16 to rotate, and the cleaning brush 16 is located at the end of the welding gun 12 after the protective cover 13, which cleans the surface and end of the welding gun 12, and timely removes the impurities such as welding slag and splashes on the surface of the nozzle to prevent damage to the nozzle.

[0036] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A position changing welding device of a welding robot in a confined space underground, comprising a base (1), characterized in that, The top of the base (1) is movably connected with a fixed plate (7), the top end of the fixed plate (7) is fixedly connected with a mounting seat (8), the inside of the mounting seat (8) is provided with a speed reducer (9), the output end of the speed reducer (9) is fixedly connected with a rotating shaft (10), the top end of the rotating shaft (10) is fixedly connected with a rotating plate (11), and the end of the rotating plate (11) is fixedly connected with a welding gun (12); one end of the top wall of the rotating plate (11) is rotatably connected with a protective cover (13), a rotating rod is arranged at the connection position of the protective cover (13) and the rotating plate (11), the protective cover (13) rotates around the rotating rod and covers the end of the welding gun (12), and the top wall of the protective cover (13) is provided with a cleaning assembly, which corresponds to the end of the welding gun (12).

2. The positional welding device of the welding robot in a confined space underground according to claim 1, characterized in that, The cleaning assembly comprises a second motor (15), the second motor (15) is fixedly installed at the middle of the top end of the protective cover (13), the output end of the second motor (15) penetrates the protective cover (13) and is fixedly connected with a cleaning brush (16), and a plurality of groups of soft hair brushes are uniformly distributed on the bottom wall of the cleaning brush (16).

3. The positional welding device of a welding robot in a confined space underground according to claim 1, characterized in that, The bottom of the protective cover (13) is fixedly provided with a connecting lug (14) on both sides, the two groups of connecting lugs (14) are inserted into the rotating rod, the middle of the protective cover (13) is provided with a groove, and the top end of the protective cover (13) is in an arc structure.

4. The positional welding device of a welding robot in a confined underground space according to claim 1, wherein The middle of the base (1) is provided with a limiting groove (2), one end of the base (1) is fixedly connected with a first motor (5), and a screw rod (4) is arranged in the middle of the base (1) in the transverse direction. The screw rod (4) is threadedly connected with a moving block (3), the moving block (3) is embedded in the limiting groove (2), and the moving block (3) and the limiting groove (2) are slidably connected.

5. The positional welding device of a welding robot in a confined space underground according to claim 4, characterized in that, The output end of the first motor (5) is connected with a transmission assembly, the transmission assembly comprises two groups of meshing bevel gears, one bevel gear is connected with the output end of the first motor (5), the other bevel gear is connected with the screw rod (4) at the middle axis, and the end of the screw rod (4) is fixedly connected with the bevel gear.

6. The positional welding device of a welding robot in a confined space underground according to claim 4, wherein The top end of the moving block (3) is fixedly connected with a bearing seat (6), and the top end of the bearing seat (6) is connected with the bottom of the fixed plate (7).

7. The positional welding apparatus for a welding robot in a confined underground space according to claim 1, wherein One side of the top of the rotating plate (11) is fixedly connected with a limiting plate, the end of the limiting plate is connected with the tail of the welding gun (12), and the top wall of the rotating plate (11) is provided with a recess. The end of the welding gun (12) is fixedly arranged in the recess.

Images