Robot welding equipment capable of being overturned and combined for bumper

Abstract

The utility model discloses a bumper robot welding device capable of being turned and combined, and relates to the technical field of welding equipment, the bumper robot welding device comprises a base and a welding platform, the upper end of the base is provided with a welding mechanical arm, and the upper end of the welding platform is provided with a left clamping device and a right clamping device; a first stand column, a second stand column, a third stand column and a fourth stand column are installed at the positions, close to the four corners, of the upper end of the welding platform correspondingly, a first storage groove, a second storage groove and a third storage groove are formed in the upper end of the welding platform, and a first welding curtain, a second welding curtain and a third welding curtain are fixedly installed in the first storage groove, the second storage groove and the third storage groove correspondingly. A welding piece can be clamped through the left clamping device and the right clamping device and can be turned over, meanwhile, the first welding curtain, the second welding curtain and the third welding curtain are arranged, the welding curtains are used for shielding in the welding operation process, and the influence of strong light in the welding process on workshop workers is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a robot welding equipment for bumpers that can be flipped and combined. Background Technique

[0002] The combined welding robot is a composite system integrating various welding and automation technologies to provide a comprehensive welding solution, improve production efficiency, reduce labor costs, reduce human errors, and enhance welding quality and consistency. The existing combined welding robots have the following disadvantages:

[0003] 1. Cost: Manufacturing and customizing fixtures usually require a certain investment cost, especially when it comes to specific workpieces or production requirements, the cost may be relatively high.

[0004] 2. The strong light (arc light) during welding is likely to cause damage to the eyes and skin. In the prior art, only the operators at this position have protective measures such as face masks, while the staff in other positions in the workshop do not have corresponding protective measures and it is not convenient to wear protective face masks. When the staff in other positions accidentally pass by and look here, it is extremely easy to be stabbed in the eyes by the strong light.

[0005] Therefore, the technical personnel in this field have provided a robot welding equipment for bumpers that can be flipped and combined to solve the problems raised in the above background technique. Content of the Utility Model

[0006] The purpose of the utility model is to provide a robot welding equipment for bumpers that can be flipped and combined to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A robot welding device for a flip - merge bumper, comprising a base and a welding platform. The upper end of the base is fixedly installed with a welding robot arm through bolts. The upper end of the welding platform is fixedly installed with a left clamping device through bolts near the left side, and the upper end of the welding platform is fixedly installed with a right clamping device with the same structure as the left clamping device through bolts near the right side. The upper end of the welding platform is respectively fixedly installed with column one, column two, column three, and column four near the four corners. Column one, column two, column three, and column four are all hollow structures. A storage groove one is opened at the position between column one and column three on the upper end of the welding platform, a storage groove two is opened at the position between column three and column four on the upper end of the welding platform, and a storage groove three is opened at the position between column two and column four on the upper end of the welding platform. A welding curtain one, a welding curtain two, and a welding curtain three are respectively fixedly installed in the storage groove one, the storage groove two, and the storage groove three. The welding curtain is usually made of special refractory materials, which can effectively block the strong light and spatter generated by electric welding. It is prior art and usually has different light transmittance and heat resistance to adapt to different types of welding operations. Specifically, the existing ones that meet the standards can be used. In this application, the components without specific structures described and the parts not involved are the same as the prior art or can be implemented by the prior art. They are all common standard parts or parts known to those skilled in the art, and their structures and principles can all be known by those skilled in the art through technical manuals or by conventional experimental methods.

[0009] As a further solution of the present utility model: The left clamping device mainly consists of a bottom column and a cabin. The bottom column is fixedly installed on the upper end of the welding platform through bolts, and the cabin is fixedly installed on the upper end of the bottom column through bolts. A servo motor five is fixedly installed in the cabin through screws. A bearing seat is embedded on one side of the cabin, and the output shaft of the servo motor five is fixedly connected to the inner ring of the bearing seat.

[0010] As a further solution of the present utility model: A bracket is installed on one side of the bearing seat. The bracket is fixedly connected to the inner ring of the bearing seat. Guide rail one and guide rail two are respectively welded at both ends of the bracket. A positive and negative thread screw rod one and a positive and negative thread screw rod two are respectively rotatably installed in the guide rail one and the guide rail two.

[0011] As a further solution of the present utility model: An upper clamping jaw one and a lower clamping jaw one are respectively thread - connected to the outer wall of the positive and negative thread screw rod one at the positions of the positive thread and the negative thread. An upper clamping jaw two and a lower clamping jaw two are respectively thread - connected to the outer wall of the positive and negative thread screw rod two at the positions of the positive thread and the negative thread. The upper end of the positive and negative thread screw rod one penetrates through the top of the guide rail one and extends to the outside of the guide rail one and is fixedly connected to a knob one. The upper end of the positive and negative thread screw rod two penetrates through the top of the guide rail two and extends to the outside of the guide rail two and is fixedly connected to a knob two.

[0012] As a further solution of the utility model: the upper ends of the first column, the second column, the third column and the fourth column are respectively fixedly installed with a first servo motor, a second servo motor, a third servo motor and a fourth servo motor through screws. The output shafts of the first servo motor, the second servo motor, the third servo motor and the fourth servo motor respectively penetrate through the tops of the first column, the second column, the third column and the fourth column and extend into their interiors, and are respectively fixedly connected with a first lead screw, a second lead screw, a third lead screw and a fourth lead screw.

[0013] As a further solution of the utility model: a first through groove is formed on one side of the first column close to the third column, a third through groove is formed on one side of the third column close to the first column, a fourth through groove is formed on one side of the third column close to the fourth column, a second through groove is formed on one side of the second column close to the fourth column, a sixth through groove is formed on one side of the fourth column close to the second column, and a fifth through groove is formed on one side of the fourth column close to the third column.

[0014] As a further solution of the utility model: the outer walls of the first lead screw, the second lead screw, the third lead screw and the fourth lead screw are respectively threadedly connected with a first moving block, a second moving block, a third moving block and a fourth moving block. A first pull rod is arranged between the first column and the third column. The two ends of the first pull rod are respectively fixedly connected with the first moving block and the third moving block through the first through groove and the third through groove. A second pull rod is arranged between the third column and the fourth column. The two ends of the second pull rod are respectively fixedly connected with the third moving block and the fourth moving block through the fourth through groove and the fifth through groove. A third pull rod is arranged between the second column and the fourth column. The two ends of the third pull rod are respectively fixedly connected with the second moving block and the fourth moving block through the second through groove and the sixth through groove.

[0015] As a further solution of the utility model: one end of the first welding curtain is fixedly connected with the first pull rod, one end of the second welding curtain is fixedly connected with the second pull rod, and one end of the third welding curtain is fixedly connected with the third pull rod.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model provides a clamping device with relatively low cost. The welding parts can be clamped by the left clamping device and the right clamping device. The inner ring of the bearing seat is driven to rotate by the fifth servo motor in the engine room, so as to drive the bracket to rotate, and then the welding parts can be driven to turn over. It has the advantages of simple structure, convenient operation, low manufacturing and maintenance costs, etc.

[0018] 2. The utility model is provided with a first welding curtain, a second welding curtain and a third welding curtain. The lead screws are driven to rotate by the servo motors at the upper ends of several columns, so that the moving blocks drive the three pull rods to lift, and then the welding curtains can be used for shielding during welding operations, preventing the strong light during welding from affecting other workers in the workshop. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of a robot welding device for a flip - merge bumper.

[0020] Figure 2 It is a schematic diagram of the structure of the column in a robot welding device for a flip - merge bumper.

[0021] Figure 3 It is a schematic diagram of the structure of the left clamping device in a robot welding device for a flip - merge bumper.

[0022] Figure 4 It is a schematic diagram of the structure of the welding curtain and the storage groove in a robot welding device for a flip - merge bumper.

[0023] Figure 5 It is a front view of a robot welding device for a flip - merge bumper.

[0024] In the figure: 1, base; 2, welding manipulator; 3, welding platform; 4, left clamping device; 41, bottom column; 42, cabin; 421, servo motor five; 43, bearing seat; 44, bracket; 45, guide rail one; 451, left - right threaded screw rod one; 452, upper clamping jaw one; 453, lower clamping jaw one; 454, knob one; 46, guide rail two; 461, left - right threaded screw rod two; 462, upper clamping jaw two; 463, lower clamping jaw two; 464, knob two; 5, right clamping device; 6, column one; 61, servo motor one; 62, through - slot one; 63, lead screw one; 64, moving block one; 7, column two; 71, servo motor two; 72, through - slot two; 73, lead screw two; 74, moving block two; 8, column three; 81, servo motor three; 82, through - slot three; 83, through - slot four; 84, lead screw three; 85, moving block three; 9, column four; 91, servo motor four; 92, through - slot five; 93, through - slot six; 94, lead screw four; 95, moving block four; 10, pull rod one; 11, pull rod two; 12, pull rod three; 13, welding curtain one; 14, welding curtain two; 15, welding curtain three; 16, storage groove one; 17, storage groove two; 18, storage groove three. Detailed implementation mode

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0026] Embodiment 1

[0027] Reference Figures 1-5 , this embodiment provides a robotic welding device for a flip - merge bumper, including a base 1 and a welding platform 3. The upper end of the base 1 is fixedly installed with a welding robot arm 2 by bolts. At a position near the left side of the upper end of the welding platform 3, a left clamping device 4 is fixedly installed by bolts. At a position near the right side of the upper end of the welding platform 3, a right clamping device 5 with the same structure as the left clamping device 4 is fixedly installed by bolts. At positions near the four corners of the upper end of the welding platform 3, a first column 6, a second column 7, a third column 8, and a fourth column 9 are respectively fixedly installed. The first column 6, the second column 7, the third column 8, and the fourth column 9 are all of hollow structure. At a position between the first column 6 and the third column 8 on the upper end of the welding platform 3, a first storage groove 16 is opened. At a position between the third column 8 and the fourth column 9 on the upper end of the welding platform 3, a second storage groove 17 is opened. At a position between the second column 7 and the fourth column 9 on the upper end of the welding platform 3, a third storage groove 18 is opened. A first welding curtain 13, a second welding curtain 14, and a third welding curtain 15 are respectively fixedly installed in the first storage groove 16, the second storage groove 17, and the third storage groove 18.

[0028] Embodiment 2

[0029] Reference Figures 1-5 , this embodiment is based on the previous embodiment. The difference from the previous embodiment is that the left clamping device 4 is mainly composed of a bottom column 41 and a cabin 42. The bottom column 41 is fixedly installed on the upper end of the welding platform 3 by bolts. The cabin 42 is fixedly installed on the upper end of the bottom column 41 by bolts. A fifth servo motor 421 is fixedly installed in the cabin 42 by screws. A bearing seat 43 is embedded on one side of the cabin 42. The output shaft of the fifth servo motor 421 is fixedly connected to the inner ring of the bearing seat 43. A bracket 44 is installed on one side of the bearing seat 43. The bracket 44 is fixedly connected to the inner ring of the bearing seat 43. Guide rails 45 and 46 are respectively welded at both ends of the bracket 44. A first right - hand and left - hand threaded rod 451 and a second right - hand and left - hand threaded rod 461 are respectively rotatably installed in the guide rails 45 and 46. Upper jaws 452 and lower jaws 453 are respectively threadedly connected to the outer wall of the first right - hand and left - hand threaded rod 451 at the positions of the right - hand thread and the left - hand thread. Upper jaws 462 and lower jaws 463 are respectively threadedly connected to the outer wall of the second right - hand and left - hand threaded rod 461 at the positions of the right - hand thread and the left - hand thread. The upper end of the first right - hand and left - hand threaded rod 451 penetrates through the top of the guide rail 45 and extends to the outside of the guide rail 45 and is fixedly connected to a first knob 454. The upper end of the second right - hand and left - hand threaded rod 461 penetrates through the top of the guide rail 46 and extends to the outside of the guide rail 46 and is fixedly connected to a second knob 464;

[0030] At the upper ends of the first column 6, the second column 7, the third column 8 and the fourth column 9, a first servo motor 61, a second servo motor 71, a third servo motor 81 and a fourth servo motor 91 are respectively fixedly installed by screws. The output shafts of the first servo motor 61, the second servo motor 71, the third servo motor 81 and the fourth servo motor 91 respectively penetrate through the tops of the first column 6, the second column 7, the third column 8 and the fourth column 9 and extend into their interiors, and are respectively fixedly connected with a first lead screw 63, a second lead screw 73, a third lead screw 84 and a fourth lead screw 94. A first through groove 62 is formed on one side of the first column 6 close to the third column 8, a third through groove 82 is formed on one side of the third column 8 close to the first column 6, a fourth through groove 83 is formed on one side of the third column 8 close to the fourth column 9, a second through groove 72 is formed on one side of the second column 7 close to the fourth column 9, a sixth through groove 93 is formed on one side of the fourth column 9 close to the second column 7, and a fifth through groove 92 is formed on one side of the fourth column 9 close to the third column 8. Moving blocks 64, 74, 85 and 95 are respectively threadedly connected to the outer walls of the first lead screw 63, the second lead screw 73, the third lead screw 84 and the fourth lead screw 94. A first pull rod 10 is arranged between the first column 6 and the third column 8. The two ends of the first pull rod 10 are respectively fixedly connected with the moving block 64 and the moving block 85 through the first through groove 62 and the third through groove 82. A second pull rod 11 is arranged between the third column 8 and the fourth column 9. The two ends of the second pull rod 11 are respectively fixedly connected with the moving block 85 and the moving block 95 through the fourth through groove 83 and the fifth through groove 92. A third pull rod 12 is arranged between the second column 7 and the fourth column 9. The two ends of the third pull rod 12 are respectively fixedly connected with the moving block 74 and the moving block 95 through the second through groove 72 and the sixth through groove 93. One end of the first welding curtain 13 is fixedly connected with the first pull rod 10. One end of the second welding curtain 14 is fixedly connected with the second pull rod 11. One end of the third welding curtain 15 is fixedly connected with the third pull rod 12.

[0031] Working principle: When the utility model is in use, first, by rotating the knob one 454 on the left clamping device 4 and the knob two 464 on the right clamping device 5, the upper clamping jaw one 452, the lower clamping jaw one 453, the upper clamping jaw two 462 and the lower clamping jaw two 463 are driven to move, so as to clamp the welding piece. During welding, the welding robot arm 2 is controlled by the servo system to perform welding. At the same time, the servo motor five 421 is controlled to rotate, so as to drive the inner ring of the bearing seat 43 to rotate, thereby driving the bracket 44 to rotate, and then driving the welding piece to rotate in cooperation with the welding. At the same time, the servo system controls the servo motor one 61, the servo motor two 71, the servo motor three 81 and the servo motor four 91 to drive the lead screw one 63, the lead screw two 73, the lead screw three 84 and the lead screw four 94 to rotate, so as to drive the moving block one 64, the moving block two 74, the moving block three 85 and the moving block four 95 to move upward successively, thereby driving the pull rod one 10, the pull rod two 11 and the pull rod three 12 to move up and down, so as to pull up the welding curtain one 13, the welding curtain two 14 and the welding curtain three 15 to block the strong light and spatter generated during welding. When the welding is completed, the welding curtain one 13, the welding curtain two 14 and the welding curtain three 15 are controlled to be retracted into the storage groove one 16, the storage groove two 17 and the storage groove three 18.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed claim.

[0033] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A robot welding device for a bumper that can be flipped and merged, comprising a base (1) and a welding platform (3), characterized in that: A welding robot arm (2) is fixedly mounted on the upper end of the base (1) by bolts, a left clamping device (4) is fixedly mounted on the upper end of the welding platform (3) near the left side by bolts, a right clamping device (5) having the same structure as the left clamping device (4) is fixedly mounted on the upper end of the welding platform (3) near the right side by bolts, and a column 1 (6), a column 2 (7), a column 3 (8) and a column 4 (9) are fixedly mounted on the upper end of the welding platform (3) near the four corners, respectively. The column 1 (6), the column 2 (7), the column 3 (8) and the column 4 (9) are fixedly mounted on the upper end of the welding platform (3) near the four corners. ) are all hollow structures, the upper end of the welding platform (3) is provided with a storage groove one (16) at a position between the column one (6) and the column three (8), the upper end of the welding platform (3) is provided with a storage groove two (17) at a position between the column three (8) and the column four (9), and the upper end of the welding platform (3) is provided with a storage groove three (18) at a position between the column two (7) and the column four (9), and the storage groove one (16), the storage groove two (17) and the storage groove three (18) are respectively fixedly installed with welding curtain one (13), welding curtain two (14) and welding curtain three (15).

2. The robot welding equipment for a bumper that can be flipped and merged according to claim 1 is characterized in that: The left clamping device (4) is mainly composed of a base column (41) and a cabin (42), wherein the base column (41) is fixedly mounted on the upper end of the welding platform (3) by bolts, and the cabin (42) is fixedly mounted on the upper end of the base column (41) by bolts, and a servo motor five (421) is fixedly mounted in the cabin (42) by screws, and a bearing seat (43) is embedded on one side of the cabin (42), and the output shaft of the servo motor five (421) is fixedly connected to the inner ring of the bearing seat (43).

3. The robot welding equipment for a bumper that can be flipped and merged according to claim 2 is characterized in that: A bracket (44) is installed on one side of the bearing seat (43), and the bracket (44) is fixedly connected to the inner ring of the bearing seat (43). A guide rail 1 (45) and a guide rail 2 (46) are respectively welded to the two end portions of the bracket (44), and a positive and negative threaded rod 1 (451) and a positive and negative threaded rod 2 (461) are respectively rotatably installed in the guide rail 1 (45) and the guide rail 2 (46).

4. The robot welding equipment for a bumper that can be flipped and merged according to claim 3 is characterized in that: An upper clamping jaw (452) and a lower clamping jaw (453) are respectively threadedly connected at the positions of the positive and negative threads on the outer wall of the positive and negative threads of the first (451); an upper clamping jaw (462) and a lower clamping jaw (463) are respectively threadedly connected at the positions of the positive and negative threads on the outer wall of the second (461); the upper end of the first (451) positive and negative threads extends through the top of the first (45) guide rail to the outside of the first (45) guide rail and is fixedly connected to a knob (454); the upper end of the second (461) positive and negative threads extends through the top of the second (46) guide rail to the outside of the second (46) guide rail and is fixedly connected to a knob (464).

5. The robot welding equipment for a bumper that can be flipped and merged according to claim 1 is characterized in that: The upper ends of the pillars 1 (6), 2 (7), 3 (8) and 4 (9) are respectively fixedly mounted with servo motors 1 (61), 2 (71), 3 (81) and 4 (91) by screws, and the output shafts of the servo motors 1 (61), 2 (71), 3 (81) and 4 (91) respectively penetrate the tops of the pillars 1 (6), 2 (7), 3 (8) and 4 (9) and extend to the inside thereof and are respectively fixedly connected with screw rods 1 (63), 2 (73), 3 (84) and 4 (94).

6. The robot welding equipment for a bumper that can be flipped and merged according to claim 1 is characterized in that: The side of the column one (6) close to the column three (8) is provided with a through slot one (62), the side of the column three (8) close to the column one (6) is provided with a through slot three (82), the side of the column three (8) close to the column four (9) is provided with a through slot four (83), the side of the column two (7) close to the column four (9) is provided with a through slot two (72), the side of the column four (9) close to the column two (7) is provided with a through slot six (93), and the side of the column four (9) close to the column three (8) is provided with a through slot five (92).

7. The robot welding equipment for a bumper that can be flipped and merged according to claim 5 is characterized in that: The outer walls of the screw rod 1 (63), the screw rod 2 (73), the screw rod 3 (84) and the screw rod 4 (94) are respectively threadedly connected with the moving block 1 (64), the moving block 2 (74), the moving block 3 (85) and the moving block 4 (95); a pull rod 1 (10) is arranged between the column 1 (6) and the column 3 (8); the two ends of the pull rod 1 (10) are respectively fixedly connected with the moving block 1 (64) and the moving block 3 (85) through the through groove 1 (62) and the through groove 3 (82); A pull rod 2 (11) is arranged between the column 3 (8) and the column 4 (9), and the two ends of the pull rod 2 (11) are fixedly connected to the moving block 3 (85) and the moving block 4 (95) through the through slot 4 (83) and the through slot 5 (92) respectively. A pull rod 3 (12) is arranged between the column 2 (7) and the column 4 (9), and the two ends of the pull rod 3 (12) are fixedly connected to the moving block 2 (74) and the moving block 4 (95) respectively through the through slot 2 (72) and the through slot 6 (93) respectively.

8. The robot welding equipment for a bumper that can be flipped and merged according to claim 7 is characterized in that: One end of the welding curtain one (13) is fixedly connected to the pull rod one (10), one end of the welding curtain two (14) is fixedly connected to the pull rod two (11), and one end of the welding curtain three (15) is fixedly connected to the pull rod three (12).

Images