Positioning mechanism and truss type welding robot

Abstract

The utility model relates to the relevant technical field of welding robots, in particular to a positioning mechanism and a truss type welding robot, the positioning mechanism comprises a device body, the device body comprises a robot truss, a first clamp and a second clamp, and the robot truss is sleeved with an installation frame. A fixing plate is arranged at the upper end of the mounting frame, a U-shaped frame and a first air cylinder are connected to the outer side wall of the mounting frame, fixing holes are formed in the fixing plate and the mounting frame, double-thread screws are mounted in the fixing holes, nuts are in threaded connection with the double-thread screws, positioning screw holes are formed in the double-thread screws, circular bolts are in threaded connection with the interiors of the positioning screw holes, and the circular bolts are in threaded connection with the interiors of the circular bolts. A sliding rod is fixedly installed in the U-shaped frame, a first lantern ring and a second lantern ring are arranged on the sliding rod in a sleeving mode, one end of the first lantern ring is connected with a first clamp, and one end of the second lantern ring is connected with a second clamp, so that the device installation frame can be doubly fixed and limited, and the safety of the device in the using process is guaranteed; and the situation that the bolt is loosened or slips in the frequent adjusting process of the device is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding robots, and particularly relates to a positioning mechanism and a truss-type welding robot. Background Art

[0002] Welding robots mainly consist of two parts: the robot and welding equipment. The robot consists of the robot body and the control cabinet (hardware and software), while the welding equipment, taking arc welding and spot welding as examples, consists of the welding power supply (including its control system), wire feeder (arc welding), welding gun (pliers), etc. Intelligent robots should also have a sensing system, such as laser or camera sensors and their control devices, etc. The robot truss welding robot is installed on a slide on the robot truss structure.

[0003] In the existing welding robots, the installation of the cross frame and the mounting frame are directly fixed by a simple or single bolt structure during use. During the reciprocating motion of the welding robot, the bolts may become loose, thereby affecting the working stability of the welding robot. Therefore, we need to upgrade and transform it based on the existing technology. Utility Model Content

[0004] The purpose of the present utility model is to provide a positioning mechanism and a truss type welding robot to solve the problems raised in the above background technology.

[0005] To solve the above problems, the following technical solutions are provided:

[0006] The U-shaped frame is fixedly mounted on the support frame, and the lower end of the support frame is fixed with a first gear and a second gear, and the U-shaped frame is connected to the support frame by a first gear and a second gear.

[0007] Furthermore, a guide bar is fixedly provided on the outer side wall of the robot truss, a guide groove is provided in the mounting frame, the robot truss is slidably connected to the mounting frame, and a nut is provided above the fixing hole in the mounting frame.

[0008] Furthermore, the nuts are provided in multiple groups, anti-slip strips are provided outside the nuts, the anti-slip strips are provided in multiple groups, and the anti-slip strips are fixedly connected to the nuts.

[0009] Furthermore, the sliding rods are symmetrically arranged in two groups, and the two groups of sliding rods are fixedly provided with limit plates, and the sliding rods are respectively sleeved with a first ring and a second ring.

[0010] Furthermore, one end of the collar 1 is connected to the clamp 1, and one end of the collar 2 is connected to the clamp 2. Reinforcement plates are provided on the outer walls of the clamp 1 and the clamp 2, and the reinforcement plates are welded and fixed to the clamp 1 and the clamp 2.

[0011] Furthermore, a reinforcement plate is provided on the outer side walls of the clamp 1 and the clamp 2, and the reinforcement plate is welded and fixed to the clamp 1 and the clamp 2.

[0012] Furthermore, connecting columns are installed in the clamp 1 and the clamp 2, and multiple groups of connecting columns are provided. The outer fixing sleeves of the connecting columns are provided with anti-slip rollers.

[0013] Furthermore, the truss-type welding robot has the above-mentioned positioning structure.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model can double-fix and limit the device mounting frame by arranging a fixing plate, fixing holes, double-headed screws, nuts, anti-slip strips, positioning screw holes and round bolts, thereby increasing the stability of the device, ensuring the safety of the device during use, and avoiding the situation where the bolts loosen or slip during frequent adjustments.

[0016] 2. The utility model is capable of adjusting the position spacing of the device according to usage needs by arranging a slide rod, a limit plate, a first collar, a second collar, a first clamp, a second clamp, a reinforcement plate, a connecting column, an anti-slip roller, a second cylinder, an upper slide, a lower slide, an upper rack, a gear and a lower rack, thereby increasing the practicality and convenience of the device, improving the scope of application of the device and preventing the cargo from slipping during use.

[0017] With reference to the following description and accompanying drawings, specific embodiments of the present invention are disclosed in detail, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope thereby. The embodiments of the present invention include numerous variations, modifications, and equivalents within the spirit and scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 A three-dimensional diagram of the overall structure of a positioning mechanism and a truss-type welding robot according to the present invention;

[0020] Figure 2 A top view of the overall structure of a positioning mechanism and a truss-type welding robot according to the present invention;

[0021] Figure 3 An exploded view of a positioning mechanism and a positioning mechanism of a truss-type welding robot according to the present invention;

[0022] Figure 4 A partial exploded view of a positioning mechanism and a positioning mechanism of a truss-type welding robot according to the present invention;

[0023] Figure 5 A three-dimensional diagram of a positioning mechanism and an adjustment structure of a truss-type welding robot according to the present utility model;

[0024] Figure 6 The figure is an exploded view of the adjustment structure of a positioning mechanism and a truss-type welding robot according to the utility model.

[0025] In the figure: 1. Device body; 2. Robot truss; 3. Guide bar; 4. Mounting frame; 5. Extension plate; 6. Fixing plate; 7. Fixing hole; 8. Double-headed screw; 9. Nut; 10. Anti-slip strip; 11. Positioning screw hole; 12. Round bolt; 121. First cylinder; 13. U-shaped frame; 14. Slide bar; 15. Limit plate; 16. Ring 1; 17. Ring 2; 18. Clamp 1; 19. Clamp 2; 20. Reinforcement plate; 21. Connecting column; 22. Anti-slip roller; 23. Second cylinder; 24. Upper slide; 25. Lower slide; 26. Upper rack; 27. Gear; 28. Lower rack. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1 - Figure 6As shown, a positioning mechanism and a truss-type welding robot provided in this embodiment include a device body 1, which includes a robot truss 2, a clamp 18 and a clamp 2 19. The robot truss 2 is provided with a mounting frame 4 on the outer surface, a fixing plate 6 is provided on the upper end of the mounting frame 4, and a U-shaped frame 13 and a first cylinder 121 are connected to the outer wall of the mounting frame 4. A fixing hole 7 is opened in the fixing plate 6 and the mounting frame 4, and a double-headed screw 8 is installed in the fixing hole 7. Positioning screw hole 11, circular bolt 12 is screwed into the positioning screw hole 11, extension plates 5 are provided at the front and rear ends of the first cylinder 121 and the extension plate 5 is fixedly connected to the mounting frame 4, a slide rod 14 is fixedly installed in the U-shaped frame 13, the rear end of clamp 18 is connected to the lower rack 28, the rear end of clamp 2 19 is connected to the upper rack 26 and the second cylinder 23, an upper slide 24 is provided on the upper rack 26, and a lower slide 25 is provided below the lower rack 28, and the upper rack 26 and the lower rack 28 are engaged with the gear 27.

[0028] Preferably, a guide strip 3 is fixedly provided on the outer wall of the robot truss 2, a guide groove is opened in the mounting frame 4, the robot truss 2 is slidably connected to the mounting frame 4, and a nut 9 is provided above the fixing hole 7 in the mounting frame 4, which can guide the direction of movement of the mounting frame 4 to avoid position deviation of the mounting frame 4 during movement. There are multiple groups of nuts 9, and anti-slip strips 10 are provided outside the nuts 9. There are multiple groups of anti-slip strips 10, and the anti-slip strips 10 are fixedly connected to the nuts 9. By setting the anti-slip strips 10, the anti-slip ability of the nuts 9 is increased, and the user is prevented from slipping during the tightening of the nuts 9. The sliding rods 14 are symmetrically provided with two groups up and down, and the two groups A limit plate 15 is fixedly provided on each of the sliding rods 14, and a ring 16 and a ring 2 17 are respectively sleeved on the sliding rod 14. By setting the limit plate 15, the ring 16 and the ring 2 17 can be limited and fixed to avoid collision between the ring 16 and the ring 2 17 during the adjustment process. One end of the ring 16 is connected to the clamp 18, and one end of the ring 2 17 is connected to the clamp 2 19. Reinforcement plates 20 are provided on the outer walls of the clamp 18 and the clamp 2 19, and the reinforcement plates 20 are welded and fixed to the clamp 18 and the clamp 2 19. By setting the reinforcement plates 20, the stability of the clamp 18 and the clamp 2 19 during use is increased, thereby ensuring their safety during use.

[0029] Preferably, connecting columns 21 are installed in clamp 18 and clamp 2 19, and multiple groups of connecting columns 21 are provided. The outer fixed sleeve of the connecting column 21 is provided with an anti-slip roller 22. By providing the anti-slip roller 22, the anti-slip ability of the device is increased, and the safety of the device during use is ensured. The truss-type welding robot has the above-mentioned positioning structure, which increases the safety and stability of the device during use.

[0030] The principle and process of use of the present invention are as follows: when in use, the mounting bracket 4 is sleeved on the robot truss 2, the fixing plate 6 is covered on the mounting bracket 4, and the double-headed screw 8 is inserted into the fixing hole 7 of the fixing plate 6 in sequence. After the insertion is completed, the nut 9 is screwed to the upper and lower ends of the double-headed screw 8 in sequence through the anti-slip strip 10. After the fixing is completed, the round bolt 12 is passed through the positioning screw hole 11 and the double-headed screw 8 in sequence. Conversely, the device can be disassembled, and the mounting bracket 4 of the device can be doubly fixed and limited, which increases the stability of the device and ensures the safety of the device during use, avoiding the situation where the bolts are loose or slipped during the frequent adjustment process of the device. When the device needs to be clamped during use When the tool is adjusted, the second cylinder 23 is controlled to work, and the second cylinder 23 pushes the upper rack 26 to move in the upper slide 24. The upper rack 26 engages with the gear 27 when moving, thereby driving the gear 27 to rotate. When the gear 27 rotates, it pushes the lower rack 28 to move in the lower slide 25. The upper rack 26 drives the clamp 2 19 to move on the slide bar 14 when moving, and the lower rack 28 drives the clamp 1 18 to move on the slide bar 14 when moving. After moving to the appropriate position, the goods that need to be grabbed can be clamped. The position spacing of the device can be adjusted according to the needs of use, which increases the practicality and convenience of the device, improves the scope of application of the device, and avoids the situation where the goods slip during use.

[0031] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0033] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are merely illustrative and are not intended to limit the scope of protection of the present invention. Those skilled in the art may make various modifications and variations to the present invention based on the spirit and principles of the present invention, and such modifications and variations are also within the scope of the present invention.

Claims

1. A positioning mechanism, characterized in that: The positioning mechanism comprises a device body (1), the device body (1) comprises a robot truss (2), a clamp 1 (18) and a clamp 2 (19), the robot truss (2) is provided with a mounting frame (4) on its outer shell, a fixing plate (6) is provided on the upper end of the mounting frame (4), and a U-shaped frame (13) and a first cylinder (121) are connected to the outer wall of the mounting frame (4), a fixing hole (7) is provided in the fixing plate (6) and the mounting frame (4), a double-headed screw (8) is installed in the fixing hole (7), a positioning screw hole (11) is provided in the double-headed screw (8), and the positioning screw hole ( 11) is internally threaded with a circular bolt (12), an extension plate (5) is provided at the front and rear ends of the first cylinder (121), and the extension plate (5) is fixedly connected to the mounting frame (4), a slide bar (14) is fixedly installed in the U-shaped frame (13), the rear end of the clamp one (18) is connected to the lower rack (28), the rear end of the clamp two (19) is connected to the upper rack (26) and the second cylinder (23), an upper slide (24) is provided on the upper rack (26), and a lower slide (25) is provided below the lower rack (28), and the upper rack (26) and the lower rack (28) are engaged with the gear (27).

2. A positioning mechanism according to claim 1, characterized in that: A guide bar (3) is fixedly provided on the outer wall of the robot truss (2), a guide groove is provided in the mounting frame (4), the robot truss (2) is slidably connected to the mounting frame (4), and a nut (9) is provided above the fixing hole (7) in the mounting frame (4).

3. A positioning mechanism according to claim 2, characterized in that: The nut (9) is provided with multiple groups, and an anti-slip strip (10) is provided outside the nut (9). The anti-slip strip (10) is provided with multiple groups, and the anti-slip strip (10) is fixedly connected to the nut (9).

4. A positioning mechanism according to claim 3, characterized in that: The sliding rods (14) are symmetrically arranged in two groups, and the two groups of sliding rods (14) are fixedly provided with a limit plate (15). The sliding rods (14) are respectively sleeved with a first ring (16) and a second ring (17).

5. A positioning mechanism according to claim 4, characterized in that: One end of the collar 1 (16) is connected to the clamp 1 (18), and one end of the collar 2 (17) is connected to the clamp 2 (19). A reinforcing plate (20) is provided on the outer side walls of the clamp 1 (18) and the clamp 2 (19), and the reinforcing plate (20) is welded and fixed to the clamp 1 (18) and the clamp 2 (19).

6. A positioning mechanism according to claim 5, characterized in that: Connecting columns (21) are installed in the clamp 1 (18) and the clamp 2 (19). The connecting columns (21) are provided in multiple groups. The outer fixed sleeves of the connecting columns (21) are provided with anti-slip rollers (22).

7. A truss type welding robot, characterized in that: The truss-type welding robot has any one of the positioning mechanisms described in claims 1-6.

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