Welding robot swing arm bracket

Abstract

The utility model discloses a welding robot swing arm bracket which comprises a swing arm body, one end of the swing arm body is fixedly connected with a welding gun, the other end of the swing arm body is rotationally connected with a rotating connector, one end of the rotating connector is rotationally connected with a supporting arm, a connecting ring is fixedly installed on the side wall of the swing arm body, and the connecting ring is fixedly connected with a connecting rod. A first sliding block is slidably connected to the side wall of the connecting ring, a connecting block is rotatably connected to the bottom of the first sliding block, a second sliding block is slidably arranged on the side wall of the supporting arm, a supporting mechanism is rotatably arranged on the second sliding block, and the second sliding block is connected with the connecting block through the supporting mechanism. According to the swing arm, the connecting ring is matched with the first sliding block, the rotating capacity of the swing arm body is not affected while the swing arm body is supported by the supporting mechanism, the height of the supporting mechanism is changed through the second sliding block due to the fact that the supporting length of the supporting mechanism is limited, and the movable range of the swing arm body is enlarged.

Description

Technical Field

[0001] The utility model relates to the technical field of welding robots, in particular to a swing arm bracket of a welding robot. Background Art

[0002] As an important branch of industrial automation, welding robot technology has been widely used and developed in recent years. Its background technology covers multiple key areas, which jointly promote the continuous progress and innovation of welding robot technology.

[0003] The welding robot swing arm bracket is an important component of the welding robot system. Its main function is to provide stable support for the robot's swing arm and allow the swing arm to perform flexible rotational movement within a certain range. The design of this bracket is crucial to ensure the precise operation and efficient work of the welding robot.

[0004] As an important part of the welding robot system, the design and technological development of the welding robot swing arm bracket are of great significance to improving the performance and efficiency of the welding robot. With the continuous advancement of science and technology and the continuous improvement of application needs, the design of the swing arm bracket will be more intelligent, adaptive and efficient in the future.

[0005] The existing welding robot swing arm bracket supports the swing arm of the welding robot through a support frame. With the continuous development of welding robots, the rotation angle and range of motion of the swing arm of the welding robot have been greatly increased, making it impossible for the sliding adaptation swing arm bracket to support the swing arm with rotation function well. Utility Model Content

[0006] The purpose of the present invention is to provide a welding robot swing arm bracket to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a welding robot swing arm bracket, comprising a swing arm body, one end of the swing arm body is fixedly connected to a welding gun, the other end of the swing arm body is rotatably connected to a rotating joint, one end of the rotating joint is rotatably connected to a support arm, a connecting ring is fixedly installed on the side wall of the swing arm body, a first slider is slidably connected to the side wall of the connecting ring, the bottom of the first slider is rotatably connected to a connecting block, a second slider is slidably arranged on the side wall of the support arm, a supporting mechanism is rotatably arranged on the second slider, and the second slider is connected to the connecting block through the supporting mechanism.

[0008] As a further description of the above technical solution: the supporting mechanism includes a supporting rod, which is fixedly mounted on the bottom of the connecting block, and the end of the supporting rod away from the connecting block is threadedly connected to a first ball screw, and the end of the first ball screw away from the support rod is rotatably connected to a supporting block, and the support block is rotatably connected to the side wall of the second slider, and a first motor is fixedly mounted inside the supporting block, and the first motor passes through the side wall of the support block and is fixedly connected to the first ball screw.

[0009] As a further description of the above technical solution: both ends of the side wall of the support rod are fixedly connected to the limiting blocks, and a reinforcing rod is slidably connected to the limiting block close to the support block, and one end of the reinforcing rod is fixedly connected to the side wall of the support block.

[0010] As a further description of the above technical solution: a bearing is fixedly installed on the side wall of the second sliding block, and the support block is connected to the second sliding block through the bearing.

[0011] As a further description of the above technical solution: top columns are slidably connected to both side walls of the reinforcing rod, one end of each of the top columns is fixedly connected to a spring, and each of the springs is fixedly installed inside the top end of the reinforcing rod.

[0012] As a further description of the above technical solution: a limiting groove is opened on the side wall of the support arm, the second slider is slidably arranged inside the limiting groove, a second ball screw is rotatably connected inside the limiting groove, the second ball screw is threadedly connected to the second slider, a second motor is fixedly installed on the bottom end of the support arm, and the output end of the second motor passes through the support arm and is fixedly connected to the second ball screw.

[0013] The utility model provides a swing arm bracket for a welding robot, which has the following beneficial effects: the device can effectively support the swing arm body while ensuring that the rotation flexibility of the swing arm body remains unchanged.

[0014] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0015] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a welding robot swing arm bracket proposed by the utility model;

[0017] Figure 2 A schematic diagram of a three-dimensional structure of the utility model from another viewing angle;

[0018] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional unfolded structure in the utility model;

[0020] Figure 5 It is a side structural schematic diagram of the utility model.

[0021] Legend:

[0022] 1. Swing arm; 2. Connecting ring; 3. Rotating joint; 4. Welding gun; 5. First slider; 6. Connecting block; 7. Support arm; 8. Support rod; 9. First ball screw; 10. Support block; 11. Second slider; 12. Second ball screw; 13. Second motor; 14. Reinforcing rod; 15. First motor; 16. Top column; 17. Spring; 18. Limiting groove; 19. Limiting block; 20. Bearing. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-5 , a welding robot swing arm bracket, comprising a swing arm 1 body, one end of the swing arm 1 body is fixedly connected to a welding gun 4, the other end of the swing arm 1 body is rotatably connected to a rotating joint 3, one end of the rotating joint 3 is rotatably connected to a support arm 7, a connecting ring 2 is fixedly installed on the side wall of the swing arm 1 body, a first slider 5 is slidably connected to the side wall of the connecting ring 2, a connecting block 6 is rotatably connected to the bottom of the first slider 5, a second slider 11 is slidably arranged on the side wall of the support arm 7, a supporting mechanism is rotatably arranged on the second slider 11, and the second slider 11 is connected to the connecting block 6 through the supporting mechanism; when the swing arm 1 body is installed, in order to ensure the flexibility of the welding robot, the welding robot will be provided with a plurality of rotating structures, in order to better cooperate with the rotation of the swing arm 1 body, the connecting ring 2 cooperates with the first slider 5, so that the swing arm 1 body is supported by the supporting mechanism while its rotation ability is not affected, and because the supporting length of the supporting mechanism is limited, the height of the supporting mechanism is changed by the second slider 11 to increase the movable range of the swing arm 1 body.

[0025] As a preferred technical solution of this embodiment, the supporting mechanism includes a supporting rod 8, which is fixedly mounted on the bottom of the connecting block 6, and the end of the supporting rod 8 away from the connecting block 6 is threadedly connected to a first ball screw 9, and the end of the first ball screw 9 away from the supporting rod 8 is rotatably connected to a supporting block 10, and the supporting block 10 is rotatably connected to the side wall of the second sliding block 11, and a first motor 15 is fixedly mounted inside the supporting block 10, and the first motor 15 passes through the side wall of the supporting block 10 and is fixedly connected to the first ball screw 9; by turning on the first motor 15, the first ball screw 9 is driven to rotate, so that the supporting rod 8 is extended or contracted to meet the movement requirement of the swing arm 1 body, and the rotation requirement of the swing arm 1 body is met through the rotation connection between the connecting block 6 and the first sliding block 5, and the rotation connection between the support block 10 and the second sliding block 11.

[0026] As a preferred technical solution of this embodiment, both ends of the side walls of the support rod 8 are fixedly connected to a limit block 19, and a reinforcing rod 14 is slidably connected to the limit block 19 close to the support block 10, and one end of the reinforcing rod 14 is fixedly connected to the side wall of the support block 10; the connection between the support rod 8 and the first ball screw 9 is reinforced by the reinforcing rod 14 to improve the stability of the device.

[0027] As a preferred technical solution of this embodiment, a bearing 20 is fixedly installed on the side wall of the second slider 11, and the support block 10 is connected to the second slider 11 through the bearing 20; the support block 10 and the second slider 11 are connected through the bearing 20. Adding the bearing 20 can extend the service life of the device and facilitate maintenance and replacement.

[0028] As a preferred technical solution of this embodiment, top columns 16 are slidably connected to both side walls of the reinforcing rod 14, and one end of multiple top columns 16 is fixedly connected to springs 17, and multiple springs 17 are fixedly installed inside the top of the reinforcing rod 14; when the support rod 8 moves and reaches the position of the two limit blocks 19, the springs 17 and the top columns 16 are used for buffering to reduce the mechanical wear of the device

[0029] As a preferred technical solution of this embodiment, a limiting groove 18 is provided on the side wall of the support arm 7, and the second slider 11 is slidably arranged inside the limiting groove 18. A second ball screw 12 is rotatably connected inside the limiting groove 18, and the second ball screw 12 is threadedly connected to the second slider 11. A second motor 13 is fixedly installed at the bottom end of the support arm 7, and the output end of the second motor 13 passes through the support arm 7 and is fixedly connected to the second ball screw 12; the second motor 13 is turned on to drive the second ball screw 12 to rotate, so that the second slider 11 rises and falls inside the limiting groove 18 to cooperate with the rotation amplitude of the lifting swing arm 1 body.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bracket for a welding robot swing arm (1), comprising a swing arm (1) body, characterized in that: One end of the swing arm (1) body is fixedly connected to a welding gun (4), the other end of the swing arm (1) body is rotatably connected to a swivel joint (3), one end of the swivel joint (3) is rotatably connected to a support arm (7), a connecting ring (2) is fixedly mounted on the side wall of the swing arm (1) body, a first slider (5) is slidably connected to the side wall of the connecting ring (2), the bottom of the first slider (5) is rotatably connected to a connecting block (6), a second slider (11) is slidably arranged on the side wall of the support arm (7), a supporting mechanism is rotatably arranged on the second slider (11), and the second slider (11) is connected to the connecting block (6) via the supporting mechanism.

2. A welding robot swing arm (1) bracket according to claim 1, characterized in that: The support mechanism comprises a support rod (8), wherein the support rod (8) is fixedly mounted at the bottom of the connecting block (6), and one end of the support rod (8) away from the connecting block (6) is threadedly connected to a first ball screw (9), and one end of the first ball screw (9) away from the support rod (8) is rotatably connected to a support block (10), and the support block (10) is rotatably connected to a side wall of the second sliding block (11), and a first motor (15) is fixedly mounted inside the support block (10), and the first motor (15) passes through the side wall of the support block (10) and is fixedly connected to the first ball screw (9).

3. A welding robot swing arm (1) bracket according to claim 2, characterized in that: Both ends of the side wall of the support rod (8) are fixedly connected to a limit block (19); a reinforcing rod (14) is slidably connected to the limit block (19) close to the support block (10); one end of the reinforcing rod (14) is fixedly connected to the side wall of the support block (10).

4. A welding robot swing arm (1) bracket according to claim 2, characterized in that: A bearing (20) is fixedly mounted on the side wall of the second sliding block (11), and the support block (10) is connected to the second sliding block (11) via the bearing (20).

5. A welding robot swing arm (1) bracket according to claim 3, characterized in that: Top columns (16) are slidably connected to both side walls of the reinforcing rod (14), one end of a plurality of the top columns (16) is fixedly connected to a spring (17), and the plurality of the springs (17) are fixedly installed inside the top end of the reinforcing rod (14).

6. A welding robot swing arm (1) bracket according to claim 4, characterized in that: A limiting groove (18) is provided on the side wall of the support arm (7), the second slider (11) is slidably arranged inside the limiting groove (18), a second ball screw (12) is rotatably connected inside the limiting groove (18), the second ball screw (12) is threadedly connected to the second slider (11), a second motor (13) is fixedly mounted at the bottom end of the support arm (7), and an output end of the second motor (13) passes through the support arm (7) and is fixedly connected to the second ball screw (12).

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