Automatic welding machine based on laser ranging

Abstract

The utility model discloses an automatic welding machine based on laser ranging. The automatic welding machine comprises bearing supports installed on the left side and the right side of the top face of a welding machine body in a bilateral symmetry mode. Guide platforms are fixedly arranged on the top surfaces of the symmetrically arranged bearing brackets; the rear portions of the top faces of the symmetrically-arranged guide platforms are attached to the outer end of a welding sliding platform. The bottom ends of the symmetrically-arranged first telescopic stand columns are slidably connected to the interiors of the top ends of the second telescopic stand columns. According to the automatic welding machine based on laser ranging, the calibrated height in the welding process is adjusted through the first telescopic stand column and the second telescopic stand column below the bearing support, and the welding sliding platform is driven by the guide platform to be adjusted in the front-back direction; therefore, the laser rangefinder can measure whether welding can be carried out at the height of the appearing stage, and then a laser welding head arranged on the front face of the laser rangefinder works, so that efficient and accurate automatic welding is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic welding, in particular to an automatic welding machine based on laser ranging. Background Art

[0002] Welding machines can be divided into plastic welding machines and metal welding machines. They convert electrical energy into thermal energy, melt the metal materials through thermal energy and connect them together. During the welding process, it is necessary to ensure that the two materials being welded are in a fitted state, so laser ranging is usually used to ensure the uniformity of welding.

[0003] Publication No. CN205927512U discloses an automatic laser welding machine, the whole machine has a scientific and reasonable structure, and the operation is simple and fast. In addition, a positioning mechanism is designed between the lifting slide and the lifting guide rail to achieve equidistant lifting adjustment positioning, which is accurate and fast, and can efficiently realize the lifting and lowering adjustment of the laser welding machine head;

[0004] However, the above-mentioned automated laser welding machine still has the following problems during actual use: although the guide rail is provided to facilitate the adjustment and movement of the overall welding machine, this type of welding machine can only be adjusted based on a single-point telescopic rotation, and the equipment with welding will inevitably cause deviations in different directions and positions due to factors such as vibration during transportation. Therefore, it is difficult to achieve efficient welding operations only by moving the welding arm in a circular direction.

[0005] So we proposed an automatic welding machine based on laser ranging to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an automatic welding machine based on laser ranging to solve the problem raised in the above-mentioned background technology that although the adjustment and movement of the overall welding machine are facilitated by the set guide rail, this type of welding machine can only be adjusted based on a single-point telescopic rotation, and the equipment with welding is inevitably offset in different directions and positions due to factors such as vibration during transportation. Therefore, it is difficult to achieve efficient welding operations only by moving the welding arm in a circular direction.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic welding machine based on laser ranging, comprising a bearing bracket installed on the left and right sides of the top surface of the welding machine body in a bilaterally symmetrical manner, and a first telescopic column fixedly arranged on the front and rear sides of the left and right bearing brackets;

[0008] The top surfaces of the symmetrically arranged bearing brackets are fixedly provided with guide platforms, and guide threaded rods are rotatably provided inside the guide platforms on the left and right sides through bearings; and further comprising:

[0009] The top surface of the symmetrically arranged guide platform is attached to the outer end of the welding sliding platform at the rear, and a welding mechanism is arranged in front of the welding sliding platform;

[0010] The bottom ends of the symmetrically arranged first telescopic columns are slidably connected to the inside of the top ends of the second telescopic columns, and the bottom ends of the symmetrically arranged second telescopic columns are fixedly connected to the top surface of the welding machine body.

[0011] Preferably, the symmetrically arranged load-bearing bracket and the guide platform arranged on the top surface thereof are arranged corresponding to each other, and the interiors of the first telescopic columns on the front and rear sides of the bottom of the load-bearing bracket are both provided with lifting threaded rods rotatably arranged through bearings, and the interiors of the second telescopic columns at the bottom ends of the first telescopic columns are both fixedly provided with lifting sleeves.

[0012] Preferably, the symmetrically arranged first telescopic column, second telescopic column, lifting threaded rod and lifting sleeve are distributed in one-to-one correspondence, and the lifting threaded rod inside the first telescopic column and the lifting sleeve inside the second telescopic column are threadedly connected, and the correspondingly distributed first telescopic column and the second telescopic column form a mutually engaged sliding connection structure.

[0013] Preferably, the top ends of the lifting threaded rods distributed on the front and rear sides are meshed and connected with each other through a first sprocket mechanism, and the top ends of the lifting threaded rods on the left and right sides of the rear are meshed and connected with each other through a second sprocket mechanism, and the top end of the right lifting threaded rod is fixedly connected to the bottom end of the output shaft of the main servo motor.

[0014] Preferably, the rear ends of the guide threaded rods inside the symmetrically arranged guide platforms are meshed and connected with each other through a third sprocket mechanism, and a sub-servo motor is fixedly arranged at the front end of the right guide platform, and the rear end of the output shaft of the sub-servo motor is fixedly connected to the front end of the guide threaded rod inside the guide platform.

[0015] Preferably, the bottom end of the welding sliding platform is threadedly connected to the outer wall of the guide threaded rod inside the left and right guide platforms, and the welding sliding platform is driven to move in the front and rear directions through the rotation of the left and right guide threaded rods. The welding mechanism includes a laser welder, which is slidably arranged on the front side of the welding sliding platform, and the laser welder and the welding sliding platform are interconnected by a chain cable.

[0016] Preferably, a laser rangefinder is fixedly arranged at the lower left side of the laser welder, and a laser welding head is fixedly arranged at the front of the laser welder, and the laser welding head can perform laser welding after the distance is measured by the laser rangefinder.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the automatic welding machine based on laser ranging is adjusted according to the height calibrated during the welding process by the first telescopic column and the second telescopic column under the bearing bracket, and the welding sliding platform is driven by the guide platform to adjust the front and rear directions, so that the laser rangefinder measures whether the height at the current stage can be welded, and then the laser welding head arranged on the front of the laser rangefinder works, so as to achieve efficient and accurate automatic welding, and the specific contents are as follows:

[0018] 1. The main servo motor drives the first telescopic column and the second telescopic column under the load-bearing bracket to slide, so as to drive the guide platform and the welding sliding platform to adjust the height according to the welding work, and the auxiliary servo motor drives the guide threaded rod inside the guide platform to rotate, so as to drive the welding sliding platform to move forward and backward, so as to better adapt to the needs of welding work;

[0019] 2. The welding sliding platform is connected to the laser welder through a chain cable, and then the laser rangefinder at the lower left side of the laser welder measures whether the height at the current stage is suitable for welding, and then the laser welding head set in front of the laser rangefinder starts to work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the welding sliding platform of the utility model;

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the guide platform of the utility model;

[0023] Figure 4 This is a schematic diagram of the installation structure of the lifting threaded rod of the utility model;

[0024] Figure 5 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the laser welder of the utility model.

[0026] In the figure: 1. load-bearing bracket; 2. first telescopic column; 3. guide platform; 4. guide threaded rod; 5. welding sliding platform; 6. second telescopic column; 7. lifting threaded rod; 8. lifting sleeve; 9. first sprocket mechanism; 10. second sprocket mechanism; 11. main servo motor; 12. third sprocket mechanism; 13. auxiliary servo motor; 14. laser welder; 15. chain cable; 16. laser rangefinder; 17. laser welding head. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 6 , the utility model provides the following technical solutions:

[0029] Embodiment 1: In order to solve the problem that the existing welding machine cannot accurately position when adapting to the welding workpiece, this embodiment adopts the following technical solutions, the main servo motor 11 drives the first telescopic column 2 and the second telescopic column 6 under the load-bearing bracket 1 to slide, so as to drive the guide platform 3 and the welding sliding platform 5 to adjust the height according to the welding work, and the auxiliary servo motor 13 drives the guide threaded rod 4 inside the guide platform 3 to rotate, and drives the welding sliding platform 5 to move in the front and rear directions, so as to better adapt to the needs of the welding work;

[0030] An automatic welding machine based on laser ranging, comprising a bearing bracket 1 installed on the left and right sides of the top surface of the welding machine body in a bilaterally symmetrical manner, and a first telescopic column 2 fixedly arranged on the front and rear sides of the left and right bearing brackets 1; the top surfaces of the symmetrically arranged bearing brackets 1 are fixedly arranged with guide platforms 3, and the insides of the left and right guide platforms 3 are rotatably arranged with guide threaded rods 4 through bearings; the bottom ends of the symmetrically arranged first telescopic columns 2 are slidably connected to the top ends of the second telescopic columns 6, and the bottom ends of the symmetrically arranged second telescopic columns 6 are fixedly connected to the top surface of the welding machine body;

[0031] The symmetrically arranged load-bearing bracket 1 and the guide platform 3 arranged on the top surface thereof are arranged correspondingly to each other, and the interiors of the first telescopic columns 2 on the front and rear sides of the bottom of the load-bearing bracket 1 are rotatably provided with lifting threaded rods 7 through bearings, and the interiors of the second telescopic columns 6 at the bottom ends of the first telescopic columns 2 are fixedly provided with lifting sleeves 8; the symmetrically arranged first telescopic columns 2, the second telescopic columns 6, the lifting threaded rods 7 and the lifting sleeves 8 are arranged correspondingly to each other, and the lifting threaded rods 7 inside the first telescopic columns 2 are threadedly connected with the lifting sleeves 8 inside the second telescopic columns 6, and the correspondingly arranged first telescopic columns 2 and the second telescopic columns 6 form a mutually engaged sliding connection structure;

[0032] The top ends of the lifting threaded rods 7 distributed on the front and rear sides are meshed and connected with each other through the first sprocket mechanism 9, and the top ends of the lifting threaded rods 7 on the left and right sides of the rear are meshed and connected with each other through the second sprocket mechanism 10, and the top end of the right lifting threaded rod 7 is fixedly connected to the bottom end of the output shaft of the main servo motor 11; the rear ends of the guide threaded rods 4 inside the symmetrically arranged guide platform 3 are meshed and connected with each other through the third sprocket mechanism 12, and the front end of the right guide platform 3 is fixedly provided with a sub-servo motor 13, and the rear end of the output shaft of the sub-servo motor 13 is fixedly connected to the front end of the guide threaded rod 4 inside the guide platform 3;

[0033] like Figure 4 , Figure 6 As shown, the bearing bracket 1 is fixedly mounted on the top surface of the welding machine body through the first telescopic column 2 and the second telescopic column 6 arranged at the bottom, and when the welding height needs to be adjusted, the main servo motor 11 installed at the rear of the right bearing bracket 1 works, so that it drives the lifting threaded rods 7 meshing with each other on the left and right sides of the rear to rotate through the second sprocket mechanism 10, and then the lifting threaded rods 7 on the left and right sides of the rear drive the lifting threaded rods 7 in the front to rotate synchronously inside the first telescopic column 2 through the first sprocket mechanism 9;

[0034] Furthermore, the lifting sleeve 8 threadedly connected to the lifting threaded rod 7 is fixedly installed inside the second telescopic column 6, and through the limit of the second telescopic column 6, the rotating lifting threaded rod 7 drives the lifting sleeve 8 and the second telescopic column 6 to move up and down, so as to drive the guide platform 3 and the welding sliding platform 5 to adjust the height for welding work;

[0035] like Figure 2-Figure 3 , Figure 5 As shown, the auxiliary servo motor 13 at the front end of the right guide platform 3 is working, so that it drives the guide threaded rod 4 arranged inside the guide platform 3 to rotate through the third sprocket mechanism 12, and the rotating guide threaded rod 4 drives the welding sliding platform 5 connected to the outer wall thread to move in the front and rear directions, so as to better adapt to the needs of welding work.

[0036] Embodiment 2: In order to solve the problem that the existing welding machine cannot accurately position when adapting the welding workpiece, this embodiment adopts the following technical solutions

[0037] The top surface of the symmetrically arranged guide platform 3 is attached to the outer end of the welding sliding platform 5 at the rear, and a welding mechanism is arranged in front of the welding sliding platform 5; the bottom end of the welding sliding platform 5 is threadedly connected to the outer wall of the guide threaded rod 4 inside the left and right guide platforms 3, and the welding sliding platform 5 is driven to move in the front and rear directions by the rotation of the left and right guide threaded rods 4, and the welding sliding platform 5 includes a laser welder 14, and is slidably arranged on the front of the welding sliding platform 5, and the laser welder 14 and the welding sliding platform 5 are connected to each other through a chain cable 15;

[0038] A laser rangefinder 16 is fixedly arranged at the lower left side of the laser welder 14, and a laser welding head 17 is fixedly arranged at the front of the laser welder 14, and the laser rangefinder 16 measures the distance so that the laser welding head 17 can perform laser welding.

[0039] like Figure 1-Figure 2 As shown, the welding sliding platform 5 drives the laser welder 14 on its front side to move in the front-to-back direction according to the welding demand, and when the laser welder 14 needs to be adjusted in the left-to-right direction, the welding sliding platform 5 is connected to control the laser welder 14 through the chain cable 15, and then the laser rangefinder 16 at the lower left side of the laser welder 14 measures whether the height at the current stage is suitable for welding, and then the laser welding head 17 arranged in front of the laser rangefinder 16 works, so as to achieve efficient and accurate automated welding work.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic welding machine based on laser ranging, comprising a bearing bracket (1) installed on the left and right sides of the top surface of the welding machine body in a bilaterally symmetrical manner, and a first telescopic column (2) fixedly arranged on the front and rear sides of the left and right bearing brackets (1); The top surfaces of the symmetrically arranged bearing brackets (1) are fixedly provided with guide platforms (3), and guide threaded rods (4) are rotatably provided inside the guide platforms (3) on both sides thereof via bearings; It is characterized in that Also includes: The top surface of the symmetrically arranged guide platform (3) is attached to the outer end of the welding sliding platform (5) at the rear, and a welding mechanism is arranged in front of the welding sliding platform (5); The bottom ends of the symmetrically arranged first telescopic columns (2) are slidably connected to the inside of the top ends of the second telescopic columns (6), and the bottom ends of the symmetrically arranged second telescopic columns (6) are fixedly connected to the top surface of the welding machine body.

2. The automatic welding machine based on laser ranging according to claim 1, characterized in that: The symmetrically arranged bearing bracket (1) and the guide platform (3) arranged on the top surface thereof are arranged corresponding to each other, and the interior of the first telescopic columns (2) on the front and rear sides of the bottom of the bearing bracket (1) are both provided with lifting threaded rods (7) rotatably arranged through bearings, and the interior of the second telescopic column (6) at the bottom end of the first telescopic column (2) is both fixedly provided with lifting sleeves (8).

3. The automatic welding machine based on laser ranging according to claim 1, characterized in that: The first telescopic column (2), the second telescopic column (6), the lifting threaded rod (7) and the lifting sleeve (8) are symmetrically arranged and arranged in a one-to-one correspondence, and the lifting threaded rod (7) inside the first telescopic column (2) and the lifting sleeve (8) inside the second telescopic column (6) are threadedly connected, and the first telescopic column (2) and the second telescopic column (6) that are distributed in a corresponding manner form a mutually engaged sliding connection structure.

4. The automatic welding machine based on laser ranging according to claim 2 is characterized in that: The top ends of the lifting threaded rods (7) distributed on the front and rear sides are meshed and connected with each other through a first sprocket mechanism (9), and the top ends of the lifting threaded rods (7) on the left and right sides of the rear are meshed and connected with each other through a second sprocket mechanism (10), and the top end of the right lifting threaded rod (7) is fixedly connected to the bottom end of the output shaft of the main servo motor (11).

5. The automatic welding machine based on laser ranging according to claim 1, characterized in that: The rear ends of the guide threaded rods (4) inside the symmetrically arranged guide platforms (3) are meshed and connected with each other via a third sprocket mechanism (12), and a sub-servo motor (13) is fixedly arranged at the front end of the right guide platform (3), and the rear end of the output shaft of the sub-servo motor (13) is fixedly connected to the front end of the guide threaded rod (4) inside the guide platform (3).

6. The automatic welding machine based on laser ranging according to claim 1, characterized in that: The bottom end of the welding sliding platform (5) is threadedly connected to the outer wall of the guide threaded rod (4) inside the left and right guide platforms (3), and the rotation of the left and right guide threaded rods (4) drives the welding sliding platform (5) to move in the front and rear directions. The welding mechanism includes a laser welder (14) and is slidably arranged on the front side of the welding sliding platform (5), and the laser welder (14) and the welding sliding platform (5) are connected to each other through a chain cable (15).

7. The automatic welding machine based on laser ranging according to claim 6 is characterized in that: A laser rangefinder (16) is fixedly arranged at the lower left side of the laser welder (14), and a laser welding head (17) is fixedly arranged at the front of the laser welder (14), and after the laser rangefinder (16) measures the distance, the laser welding head (17) can perform laser welding.

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