Shock absorption connector for robot welding head

Abstract

The utility model discloses a damping connector for a welding head of a robot, which comprises a mechanical arm and a welding gun, and is characterized by further comprising a connector arranged on the mechanical arm, and a first damping part and a second damping part which are arranged on the connector, the first damping part comprises a first damping seat, at least two groups of first damping pieces and at least two groups of guide columns, the first damping pieces and the guide columns are mounted on the first damping seat, and the second damping part comprises a second damping seat, a damping block and a first connecting block for fixing the welding gun, wherein the second damping seat and the damping block are fixed on the first damping seat. The vibration of the welding robot during welding can be reduced, and the stability during welding is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding robots, in particular to a shock-absorbing connector for a robot welding head. Background Art

[0002] Welding robots are industrial robots that replace human welders to complete welding tasks during the welding production process. Compared with human welders, the quality of workpieces welded by welding robots is more stable and the productivity is higher, which greatly improves the working conditions and working environment of human welders. Therefore, welding robots are widely used in industries such as automobiles, construction machinery, general machinery, metal structures and weapons manufacturing to complete welding tasks.

[0003] However, welding robots in the prior art weld large metal parts, and the welding arms move rapidly. Therefore, vibrations often occur during welding due to inertia. Especially during spot welding, the welding head needs to come into contact with the metal part, which increases the vibration of the welding head and affects the welding quality. Summary of the invention

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is:

[0005] A robot welding head shock-absorbing connector, comprising a robot arm and a welding gun, and also comprising a connector mounted on the robot arm and a first shock-absorbing part and a second shock-absorbing part mounted on the connector;

[0006] The first shock absorbing part comprises a first shock absorbing seat, and at least two groups of first shock absorbing members and at least two groups of guide columns installed on the first shock absorbing seat, wherein the guide columns are used to guide the first shock absorbing seat, and the first shock absorbing seat slides upward / downward on the guide columns;

[0007] The second shock absorbing part includes a second shock absorbing seat fixed on the first shock absorbing seat, a shock absorbing block and a first connecting block for fixing the welding gun, the shock absorbing block is connected to the second shock absorbing seat through at least two groups of fastening elements, the fastening element is sleeved with a first elastic element, and the first connecting block is fixed on the shock absorbing block.

[0008] Furthermore, it also includes a detection unit installed on the connector;

[0009] The detection part comprises a second connection block fixed on the connector and a detection block fixed on the second connection block. The detection block is provided with a pointer, and the pointer is connected to the first connection block via a rotating shaft.

[0010] Furthermore, the first shock-absorbing member includes a slide seat sliding on the first shock-absorbing seat and a connecting rod hinged to the slide seat, the other end of the connecting rod is hinged to a connector, a slide column is provided in the slide seat, a second elastic element is sleeved on the slide column, and the second elastic element is used to reset the slide seat.

[0011] Furthermore, the detection block is provided with a scale.

[0012] Furthermore, at least two groups of pressing blocks for pressing the sliding seat are provided on the outer side of the sliding seat, the pressing blocks are fixed on the first shock absorbing seat, and the sliding seat is located between the pressing blocks and the first shock absorbing seat to slide.

[0013] Beneficial effects of the utility model:

[0014] The utility model can greatly reduce the vibration of the welding robot during welding through the two shock-absorbing parts, improve the stability during welding, and is also provided with a pointer for detection, so that the swing amplitude of the welding gun can be checked in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 2 is a schematic diagram of the structure of the first shock absorbing part;

[0018] Figure 3 2 is a schematic diagram of the structure of the second shock absorbing part;

[0019] Figure 4 yes Figure 1 A local enlarged schematic diagram;

[0020] Figure 5 is a schematic structural diagram of a first shock absorbing member;

[0021] Description of reference numerals:

[0022] 1. Robotic arm; 2. Connector; 3. First shock absorbing part; 31. First shock absorbing seat; 32. Guide column; 33. First shock absorbing member; 331. Sliding seat; 332. Connecting rod; 333. Pressure block; 334. Sliding column; 335. Second elastic element; 4. Second shock absorbing part; 41. Second shock absorbing seat; 42. Shock absorbing block; 43. First connecting block; 44. Fastening element; 45. First elastic element; 5. Welding gun; 6. Detection part; 61. Second connecting block; 62. Detection block; 621. Scale; 63. Pointer; 64. Rotating shaft. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention. Specific embodiments

[0024] like Figures 1 to 5 As shown, a robot welding head shock-absorbing connector includes a robot arm 1 and a welding gun 5, characterized in that it also includes a connector 2 installed on the robot arm 1 and a first shock-absorbing part 3 and a second shock-absorbing part 4 installed on the connector 2;

[0025] The first shock absorbing part 3 includes a first shock absorbing seat 31, two groups of first shock absorbing members 33 and two groups of guide columns 32 installed on the first shock absorbing seat 31, the guide columns 32 are used to guide the first shock absorbing seat 31, and the first shock absorbing seat 31 slides up / down on the guide columns 32; specifically, the first shock absorbing member 33 includes a slide seat 331 sliding on the first shock absorbing seat 31 and a connecting rod 332 hinged to the slide seat 331, the other end of the connecting rod 332 is hinged to the connector 2, a slide column 334 is provided in the slide seat 331, a second elastic element 335 is sleeved on the slide column 334, and the second elastic element 335 is used to reset the slide seat 331. Specifically, two groups of pressing blocks 333 for pressing the slide seat 331 are also provided on the outside of the slide seat 331, the pressing blocks 333 are fixed on the first shock absorbing seat 31, and the slide seat 331 is located between the pressing blocks 333 and the first shock absorbing seat 31 and slides.

[0026] The second shock absorbing part 4 includes a second shock absorbing seat 41 fixed on the first shock absorbing seat 31, a shock absorbing block 42 and a first connecting block 43 for fixing the welding gun 5, the shock absorbing block 42 is connected to the second shock absorbing seat 41 through two groups of fastening elements 44, the fastening elements 44 are sleeved with a first elastic element 45, and the first connecting block 43 is fixed on the shock absorbing block 42.

[0027] Specifically, it also includes a detection unit 6 installed on the connector 2; the detection unit 6 includes a second connection block 61 fixed on the connector 2 and a detection block 62 fixed on the second connection block 61, and a pointer 63 is provided on the detection block 62, and the pointer 63 is connected to the first connection block 43 through a rotating shaft 64. Specifically, the detection block 62 is provided with a scale 621.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A robot welding head shock-absorbing connector, comprising a robot arm (1) and a welding gun (5), characterized in that: It also includes a connector (2) mounted on the mechanical arm (1), and a first shock absorbing part (3) and a second shock absorbing part (4) mounted on the connector (2); The first shock absorbing portion (3) comprises a first shock absorbing seat (31), and at least two groups of first shock absorbing members (33) and at least two groups of guide columns (32) mounted on the first shock absorbing seat (31), wherein the guide columns (32) are used to guide the first shock absorbing seat (31), and the first shock absorbing seat (31) slides upward / downward on the guide columns (32); The second shock absorbing part (4) comprises a second shock absorbing seat (41) fixed on the first shock absorbing seat (31), a shock absorbing block (42), and a first connecting block (43) for fixing the welding gun (5); the shock absorbing block (42) is connected to the second shock absorbing seat (41) via at least two groups of fastening elements (44); a first elastic element (45) is sleeved on the fastening element (44); and the first connecting block (43) is fixed on the shock absorbing block (42).

2. A robot welding head shock-absorbing connector according to claim 1, characterized in that: It also includes a detection unit (6) mounted on the connector (2); The detection unit (6) comprises a second connection block (61) fixed on the connector (2) and a detection block (62) fixed on the second connection block (61); a pointer (63) is provided on the detection block (62); and the pointer (63) is connected to the first connection block (43) via a rotating shaft (64).

3. A robot welding head shock-absorbing connector according to claim 1, characterized in that: The first shock absorbing member (33) comprises a sliding seat (331) sliding on the first shock absorbing seat (31) and a connecting rod (332) hinged to the sliding seat (331); the other end of the connecting rod (332) is hinged to the connector (2); a sliding column (334) is provided in the sliding seat (331); a second elastic element (335) is sleeved on the sliding column (334); the second elastic element (335) is used to reset the sliding seat (331).

4. A robot welding head shock-absorbing connector according to claim 2, characterized in that: The detection block (62) is provided with a scale (621).

5. A robot welding head shock-absorbing connector according to claim 3, characterized in that: At least two groups of pressing blocks (333) for pressing the sliding seat (331) are also provided on the outside of the sliding seat (331); the pressing blocks (333) are fixed on the first shock absorbing seat (31); and the sliding seat (331) is located between the pressing blocks (333) and the first shock absorbing seat (31) to slide.

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