Metal backboard laser welding positioning tool

Abstract

The utility model discloses a metal back plate laser welding positioning tool, which relates to the technical field of laser welding, and comprises a workbench, two groups of tracks, a moving frame and a laser welding head, two groups of positioning mechanisms are arranged at the top of the workbench, each positioning mechanism comprises a positioning seat, a positioning lug and an electric cylinder I, a plurality of sets of limiting holes are formed in the top of the workbench, and limiting rods are movably arranged in the limiting holes. By arranging the limiting holes and the limiting rods, the position of the limiting rods can be adjusted according to metal back plates of different models and shapes, so that the function of limiting the positions of various metal back plates can be achieved, by arranging the positioning mechanism, the metal back plates can be accurately positioned and fixed, it is ensured that the welding position is accurate, and the welding efficiency is improved. By quickly positioning the metal back plate, manual intervention is reduced, adjustment time is saved, production efficiency is improved, operation errors are reduced, and welding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to a metal back plate laser welding positioning tool. Background Art

[0002] During the TV production process, the metal back plate is usually installed on the back of the TV, which is an important part for providing structural support and protecting the internal components of the TV. The metal back plate of the TV is usually composed of multiple metal plates, which need to be connected together by laser welding. Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source.

[0003] However, in the prior art, the welding machine is not equipped with a positioning tool. Due to the vibration of the machine operation or the manual placement, the position of the metal back plate is offset, which leads to inaccurate welding position, affecting the welding quality and precision. In addition, the operator needs to spend more time and energy to adjust the position of the metal back plate, which increases the complexity of the operation in the production process, creates operational risks, and reduces production efficiency. In view of the above problems, a metal back plate laser welding positioning tool is proposed. Utility Model Content

[0004] The utility model aims to solve the problem that the welding machine in the prior art is not provided with a positioning fixture, the metal back plate moves, and the welding quality and accuracy are affected, and a metal back plate laser welding positioning fixture is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a metal back plate laser welding positioning tool, comprising a workbench, two sets of rails, a movable frame and a laser welding head, two sets of positioning mechanisms are arranged on the top of the workbench, the positioning mechanism comprises a positioning seat, a positioning ear and an electric cylinder 1, a fixed seat is fixedly installed on the output end of the electric cylinder 1, a special-shaped rod is rotatably connected inside the fixed seat, a positioning plate is fixedly installed on one end of the special-shaped rod, a plurality of sets of limit holes are provided on the top of the workbench, and a limit rod is movably arranged inside the limit hole.

[0006] Preferably, the bottoms of the two groups of rails are fixedly connected to the top of the workbench, and the bottom of the movable frame is slidably connected to the tops of the two groups of rails.

[0007] Preferably, one side of the positioning seat is fixedly connected to one side of the track, and the bottom of the positioning ear is fixedly connected to the top of the positioning seat.

[0008] Preferably, one end of the electric cylinder is rotatably connected to the outer wall of the positioning ear, and the outer wall of the special-shaped rod is rotatably connected to the inside of the positioning seat.

[0009] Preferably, a limiting mechanism is provided on one side of the movable frame, and the limiting mechanism comprises a movable seat, a second electric cylinder and two groups of springs, and the interior of the movable seat is slidably connected to the outer wall of the movable frame.

[0010] Preferably, the bottom of the second electric cylinder is fixedly connected to the top of the movable seat, and a fixed shell is fixedly installed on the output end of the second electric cylinder, and two groups of connecting rods are arranged through the interior of the fixed shell.

[0011] Preferably, a connecting shell is fixedly installed at the bottom of the two groups of connecting rods, the two groups of springs are arranged on the outer walls of the two groups of connecting rods, one end of the two groups of springs is fixedly connected to the bottom of the fixed shell, and the other end of the two groups of springs is fixedly connected to the top of the connecting shell.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, by setting the limit hole and the limit rod, the position of the limit rod can be adjusted according to the metal back plates of different models and shapes, so that the position limiting function can be achieved for a variety of metal back plates. By setting the positioning mechanism, the metal back plate can be accurately positioned and fixed to ensure that the welding position is accurate. By quickly positioning the metal back plate, manual intervention is reduced, adjustment time is saved, production efficiency is improved, operation errors are reduced, and welding quality is improved.

[0014] 2. In the utility model, a limiting mechanism is provided, which can ensure that the metal back plate maintains a stable position during the welding process, avoiding welding position deviation caused by external factors. The connecting shell is made of metal and has little friction with the metal back plate. During the welding movement process, the welding part can be accurately limited and fixed to ensure the accuracy of the welding position, effectively improve the welding quality, and reduce welding defects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of a metal back plate laser welding positioning tooling is proposed for the utility model;

[0016] Figure 2 The utility model provides a three-dimensional structural schematic diagram of a positioning mechanism of a metal back plate laser welding positioning tool;

[0017] Figure 3 The utility model provides a three-dimensional structural schematic diagram of a limiting mechanism of a metal back plate laser welding positioning tooling;

[0018] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a limiting hole and a limiting rod of a metal back plate laser welding positioning tool.

[0019] Legend: 1. Workbench; 2. Track; 3. Moving frame; 4. Positioning mechanism; 41. Positioning seat; 42. Positioning ear; 43. Electric cylinder 1; 44. Fixed seat; 45. Special-shaped rod; 46. Positioning plate; 5. Limiting mechanism; 51. Moving seat; 52. Electric cylinder 2; 53. Fixed shell; 54. Connecting shell; 55. Connecting rod; 56. Spring; 6. Limiting hole; 7. Limiting rod; 8. Laser welding head. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] like Figure 1 , Figure 2 and Figure 4 As shown, the utility model provides a metal back plate laser welding positioning tool, including a workbench 1, two groups of rails 2, a movable frame 3 and a laser welding head 8, two groups of positioning mechanisms 4 are arranged on the top of the workbench 1, the positioning mechanism 4 includes a positioning seat 41, a positioning ear 42 and an electric cylinder 43, the output end of the electric cylinder 43 is fixedly installed with a fixed seat 44, the interior of the fixed seat 44 is rotatably connected with a special-shaped rod 45, and one end of the special-shaped rod 45 is fixedly installed with a positioning plate 46, a plurality of groups of limiting holes 6 are provided on the top of the workbench 1, and the limiting holes 6 are movably provided with limiting rods 7, the bottoms of the two groups of rails 2 are fixedly connected to the top of the workbench 1, the bottom of the movable frame 3 is slidably connected to the tops of the two groups of rails 2, one side of the positioning seat 41 is fixedly connected to one side of the rail 2, the bottom of the positioning ear 42 is fixedly connected to the top of the positioning seat 41, one end of the electric cylinder 43 is rotatably connected to the outer wall of the positioning ear 42, and the outer wall of the special-shaped rod 45 is rotatably connected to the interior of the positioning seat 41.

[0024] The specific settings and functions of this embodiment are described in detail below. When laser welding the metal back plate, according to the size and shape of the back plate, the limit rod 7 is inserted into the limit hole 6 at the appropriate position, and the back plate is clamped between the multiple limit rods 7 to limit its position. At this time, the two groups of electric cylinders 43 are started to extend, pushing the fixed seat 44 to move horizontally, thereby driving the special-shaped rod 45 to rotate inside the positioning seat 41 until the bottom of the two groups of positioning plates 46 contact the top of the metal back plate, thereby positioning the metal back plate, and then starting the driving mechanism on one side of the moving frame 3. And the driving mechanism on one side of the track 2 enables the movable seat 51 to drive the laser welding head 8 to move and weld the metal back plate. By setting the limit hole 6 and the limit rod 7, the position of the limit rod 7 can be adjusted according to the metal back plates of different models and shapes, so that the position limiting function can be achieved for various metal back plates. By setting the positioning mechanism 4, the metal back plate can be accurately positioned and fixed to ensure that the welding position is accurate. By quickly positioning the metal back plate, manual intervention is reduced, adjustment time is saved, production efficiency is improved, operating errors are reduced, and welding quality is improved.

[0025] Embodiment 2

[0026] like Figure 1 and Figure 3 As shown, a limiting mechanism 5 is provided on one side of the moving frame 3, and the limiting mechanism 5 includes a moving seat 51, an electric cylinder 52 and two groups of springs 56. The interior of the moving seat 51 is slidably connected to the outer wall of the moving frame 3, the bottom of the electric cylinder 52 is fixedly connected to the top of the moving seat 51, and a fixed shell 53 is fixedly installed at the output end of the electric cylinder 52. Two groups of connecting rods 55 are penetrated inside the fixed shell 53, and a connecting shell 54 is fixedly installed at the bottom of the two groups of connecting rods 55. Two groups of springs 56 are provided on the outer walls of the two groups of connecting rods 55, one end of the two groups of springs 56 is fixedly connected to the bottom of the fixed shell 53, and the other end of the two groups of springs 56 is fixedly connected to the top of the connecting shell 54.

[0027] The effect achieved by the entire embodiment is that the metal back plate is fixed on the top of the workbench 1, and then the driving mechanism on one side of the moving frame 3 is started, so that the moving seat 51 slides on one side of the moving frame 3, and the top of the fixed shell 53 and the bottom of the moving seat 51 are not fixed, and then the electric cylinder 2 52 is started to extend and drive the fixed shell 53 to move downward until the bottom of the connecting shell 54 contacts the top of the metal back plate. The electric cylinder 2 52 still drives the fixed shell 53 to move downward, so that the length of the top of the two groups of connecting rods 55 extending out of the fixed shell 53 increases, and the two groups of springs 56 are compressed, and the bottom of the connecting shell 54 provides a slight pressure on the top of the metal back plate. Since the bottom of the fixed shell 53 is fixed to the top of the laser welding head 8 The fixed shell 53 drives the laser welding head 8 to move downward until the output end of the laser welding head 8 enters the through hole inside the connecting shell 54, but the bottom of the laser welding head 8 does not contact the metal back plate. The movable frame 3 and the movable seat 51 drive the laser welding head 8 to move in two dimensions to weld the metal back plate. By setting a limiting mechanism 5, the limiting mechanism 5 can ensure that the metal back plate maintains a stable position during the welding process to avoid welding position deviation caused by external factors. The connecting shell 54 is made of metal and has little friction with the metal back plate. During the welding movement process, the welding part can be accurately limited and fixed to ensure the accuracy of the welding position, effectively improve the welding quality, and reduce welding defects.

[0028] The method of use and working principle of this device: When laser welding a metal back plate, according to the size and shape of the back plate, insert the limit rod 7 into the inside of the limit hole 6 at the appropriate position, and clamp the back plate between multiple limit rods 7 to limit its position. At this time, start the two groups of electric cylinders 1 43 to extend, push the fixed seat 44 to move horizontally, and then drive the special-shaped rod 45 to rotate inside the positioning seat 41 until the bottom of the two groups of positioning plates 46 contact the top of the metal back plate, so as to position the metal back plate, and then start the driving mechanism on one side of the moving frame 3 and the driving mechanism on one side of the track 2, so that the moving seat 51 drives the laser welding head 8 to move, and the top of the fixed shell 53 and the bottom of the moving seat 51 are not fixed, and then start the electric cylinder 2 52 stretches and drives the fixed shell 53 to move downward until the bottom of the connecting shell 54 contacts the top of the metal back plate. The electric cylinder 52 still drives the fixed shell 53 to move downward, so that the length of the top of the two sets of connecting rods 55 extending out of the fixed shell 53 increases, and the two sets of springs 56 are compressed, and the bottom of the connecting shell 54 provides a slight pressure on the top of the metal back plate. Since the bottom of the fixed shell 53 is fixedly connected to the top of the laser welding head 8, the fixed shell 53 drives the laser welding head 8 to move downward until the output end of the laser welding head 8 enters the through hole inside the connecting shell 54, but the bottom of the laser welding head 8 does not contact the metal back plate. The movable frame 3 and the movable seat 51 drive the laser welding head 8 to move in two dimensions to weld the metal back plate.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A metal back plate laser welding positioning tool, comprising a workbench (1), two sets of tracks (2), a moving frame (3) and a laser welding head (8), Features: Two groups of positioning mechanisms (4) are arranged on the top of the workbench (1), and the positioning mechanisms (4) include a positioning seat (41), a positioning ear (42) and an electric cylinder (43); a fixing seat (44) is fixedly installed on the output end of the electric cylinder (43); a special-shaped rod (45) is rotatably connected inside the fixing seat (44); a positioning plate (46) is fixedly installed on one end of the special-shaped rod (45); a plurality of groups of limiting holes (6) are provided on the top of the workbench (1), and a limiting rod (7) is movably arranged inside the limiting hole (6).

2. A metal back plate laser welding positioning tool according to claim 1, Features: The bottoms of the two groups of rails (2) are fixedly connected to the top of the workbench (1), and the bottom of the moving frame (3) is slidably connected to the tops of the two groups of rails (2).

3. The metal back plate laser welding positioning tool according to claim 1, Features: One side of the positioning seat (41) is fixedly connected to one side of the track (2), and the bottom of the positioning ear (42) is fixedly connected to the top of the positioning seat (41).

4. The metal back plate laser welding positioning tool according to claim 1, Features: One end of the electric cylinder (43) is rotatably connected to the outer wall of the positioning ear (42), and the outer wall of the special-shaped rod (45) is rotatably connected to the inside of the positioning seat (41).

5. The metal back plate laser welding positioning tool according to claim 1, Features: A limiting mechanism (5) is provided on one side of the movable frame (3), the limiting mechanism (5) comprising a movable seat (51), a second electric cylinder (52) and two groups of springs (56), the interior of the movable seat (51) being slidably connected to the outer wall of the movable frame (3).

6. The metal back plate laser welding positioning tool according to claim 5, Features: The bottom of the second electric cylinder (52) is fixedly connected to the top of the movable seat (51), and a fixed shell (53) is fixedly installed at the output end of the second electric cylinder (52), and two groups of connecting rods (55) are arranged inside the fixed shell (53).

7. The metal back plate laser welding positioning tool according to claim 6, Features: A connecting shell (54) is fixedly installed at the bottom of the two groups of connecting rods (55), and the two groups of springs (56) are arranged on the outer walls of the two groups of connecting rods (55). One end of the two groups of springs (56) is fixedly connected to the bottom of the fixed shell (53), and the other end of the two groups of springs (56) is fixedly connected to the top of the connecting shell (54).

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