Tailor welding device capable of automatically aligning

Abstract

The utility model discloses a tailor-welding device capable of automatically aligning, which belongs to the technical field of tailor-welding and comprises a positioning support component and a multi-station welding component. The movable end of the multi-station welding assembly is provided with a first pressing assembly used for pressing the part A during welding and a second pressing assembly used for pressing the part B during welding. By means of the mode, the motor drives the symmetrical threaded rods to rotate, the symmetrical threaded rods drive the connecting transverse plates to stably move under the guiding effect of the guide rails and the sliding blocks, the upper connecting transverse plate and the lower connecting transverse plate move in the opposite direction or in the opposite direction, and then the upper welding head and the lower welding head are driven to move in the opposite direction or in the opposite direction. During opposite movement, the welding heads on the lower side penetrate through the straight holes to make contact with four welding points at the bottom of the part A, and the welding heads on the upper side make contact with four welding points at the upper end of the part B; welding spots of the part A and the part B are welded through the upper welding head and the lower welding head, fixed-point tailor-welding treatment is achieved, and accuracy is high.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a welding device with automatic alignment. Background Art

[0002] During the processing of automotive parts, a clamping device is required to position them, and then a laser welding device is used to weld and fix them.

[0003] Chinese invention patent CN115121951A discloses a clamping device for laser welding of automotive parts, which can realize the clamping and laser welding operations of automotive parts.

[0004] However, during welding, it is necessary to ensure that the welding position is welded according to the set welding points, and at the same time, the combined position between the two automotive parts to be welded also needs to be precise. Therefore, how to ensure the automatic alignment of the two automotive parts to be welded and ensure the accuracy of the welding position is the technical problem to be solved in this application.

[0005] Based on this, the utility model designs a welding device with automatic alignment to solve the above problems. Summary of the Utility Model

[0006] In view of the above-mentioned drawbacks of the prior art, the utility model provides a welding device with automatic alignment.

[0007] To achieve the above objectives, the utility model is realized through the following technical solutions:[[]]END]]

[0008] A welding device with automatic alignment includes a positioning and supporting component and a multi-station welding component;

[0009] A first pressing component for pressing part A during welding and a second pressing component for pressing part B during welding are installed on the movable end of the multi-station welding component;

[0010] The positioning and supporting component includes a profiling support frame and columns; part A is placed on the profiling support frame, part B is placed in a groove on one side of part A, multiple groups of columns are fixedly connected to the upper end of the profiling support frame, and the multiple groups of columns respectively pass through multiple forming holes of part A, and one of the columns passes through multiple forming holes of part A and then passes through the forming hole of part B.

[0011] Furthermore, straight holes for cooperating with the movement of the multi-station welding component are provided on the profiling support frame.

[0012] Furthermore, the multi-station welding assembly includes a mounting bracket, a bidirectional driving assembly, an upper welding assembly, and a lower welding assembly; the bidirectional driving assembly is mounted on the mounting bracket, and two driving ends of the bidirectional driving assembly are respectively connected to the upper welding assembly and the lower welding assembly, and the first pressing assembly and the second pressing assembly are mounted on the upper welding assembly; the upper welding assembly and the lower welding assembly have the same structure and are symmetrically arranged up and down.

[0013] Furthermore, the bidirectional driving assembly includes a motor, a connecting cross plate, symmetric threaded rods, and guide rails; the motor is fixedly mounted on the mounting bracket, the symmetric threaded rods are rotatably mounted on the mounting bracket, the driving end of the motor is fixedly connected to the upper end of the symmetric threaded rods, connecting cross plates are respectively threadedly connected to the symmetric threads of the symmetric threaded rods up and down symmetrically, one end of each connecting cross plate close to the mounting bracket is fixedly connected with a slider, and the sliders are slidably connected to the guide rails, and the guide rails are fixedly mounted on the side wall of the mounting bracket.

[0014] Furthermore, the upper welding assembly includes multiple groups of welding heads, and the welding heads are fixedly mounted at the four corners of the end of the connecting cross plate away from the mounting bracket, and the welding heads are arranged downward.

[0015] Furthermore, straight holes for the welding heads of the lower welding assembly to pass through are formed in the profiling support frame.

[0016] Furthermore, the first pressing assembly includes a first spring, a cross plate, a first pressing cylinder, and a first straight rod; one end of the cross plate is fixedly connected to the connecting cross plate, the bottom of the other end of the cross plate is fixedly connected with a first straight rod, the lower end of the first straight rod is limited and slidably connected to a first pressing cylinder, limiting rings for limiting the first spring are fixedly connected to the middle of the first straight rod and the bottom of the first pressing cylinder, and the first spring is sleeved on the first straight rod and the first pressing cylinder and is located between the upper and lower limiting rings.

[0017] Furthermore, the bottom height of the first pressing cylinder is lower than the bottom height of the upper welding head.

[0018] Furthermore, the second pressing assembly includes a second spring, a second pressing cylinder, and a second straight rod; the top of the second straight rod is fixedly connected to the connecting cross plate, the lower end of the second straight rod is limited and slidably connected to a second pressing cylinder, limiting rings for limiting the second spring are fixedly connected to the middle of the second straight rod and the bottom of the second pressing cylinder, and the second spring is sleeved on the second straight rod and the second pressing cylinder and is located between the upper and lower limiting rings.

[0019] Furthermore, the bottom height of the second pressing cylinder is lower than the bottom height of the upper welding head, and the bottom height of the second pressing cylinder is higher than the bottom height of the first pressing cylinder.

[0020] Beneficial effects

[0021] In this utility model, a motor drives a symmetric threaded rod to rotate, and the symmetric threaded rod drives a connecting cross plate to stably move under the guiding action of a guide rail and a slider, realizing the opposite or separating movement of the upper and lower connecting cross plates, and further driving the upper and lower welding heads to move towards or away from each other. When moving towards each other, the lower welding head passes through a straight hole and contacts four welding points at the bottom of part A, and the upper welding head contacts four welding points at the upper end of part B; the welding points of part A and part B are welded by the upper and lower welding heads, realizing fixed-point butt welding treatment with high accuracy.

[0022] When the upper and lower connecting cross plates of this utility model move towards each other, the upper connecting cross plate drives the cross plate to move downward, and the cross plate drives the first straight rod and the first pressing cylinder to move downward. The first pressing cylinder first contacts part A, and then continues to move upward and slide relative to the first straight rod and squeezes the first spring. Under the elastic action of the first spring, part A is tightly pressed to prevent part A from shifting during subsequent welding.

[0023] When the upper and lower connecting cross plates of this utility model move towards each other, the upper connecting cross plate drives the second straight rod to move downward, and the second straight rod drives the second pressing cylinder to move downward. The second pressing cylinder first contacts part B, and then continues to move upward and slide relative to the second straight rod and squeezes the second spring. Under the elastic action of the second spring, part B is tightly pressed to prevent part B from shifting during subsequent welding. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of this utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 Three-dimensional view of an automatic alignment butt welding device of this utility model Figure 1 ;

[0026] Figure 2 Front view of an automatic alignment butt welding device of this utility model;

[0027] Figure 3 Three-dimensional view of an automatic alignment butt welding device of this utility model Figure 2 ;

[0028] Figure 4 Three-dimensional view of an automatic alignment butt welding device of this utility model Figure 3 ;

[0029] Figure 5The three-dimensional view of a butt welding device with automatic alignment according to the present utility model Figure 4 ;

[0030] Figure 6 The three-dimensional view of a butt welding device with automatic alignment according to the present utility model Figure 5 。

[0031] The reference numerals in the figure respectively represent:

[0032] 1. Positioning and supporting assembly; 11. Profiled support frame; 12. Column; 13. Straight hole; 2. First pressing assembly; 21. First spring; 22. Cross plate; 23. First pressing cylinder; 24. First straight rod; 3. Second pressing assembly; 31. Second spring; 32. Second pressing cylinder; 33. Second straight rod; 4. Multi-station welding assembly; 41. Motor; 42. Welding head; 43. Connecting cross plate; 44. Symmetric threaded rod; 45. Guide rail; 46. Slide block; 47. Mounting bracket. Specific embodiments

[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0034] The present utility model will be further described below with reference to the embodiments.

[0035] The "left", "right", "front", "rear", "upper", and "lower" mentioned in the following description are oriented in the perspective direction of the front view.

[0036] In some embodiments, please refer to the specification appendix Figures 1-6 , a butt welding device with automatic alignment, including a positioning and supporting assembly 1 and a multi-station welding assembly 4;

[0037] A first pressing assembly 2 for pressing part A during welding and a second pressing assembly 3 for pressing part B during welding are installed on the movable end of the multi-station welding assembly 4;

[0038] The positioning and supporting assembly 1 includes a profiled support frame 11 and a column 12; part A is placed on the profiled support frame 11, part B is placed in a groove on one side of part A, multiple groups of columns 12 are fixedly connected to the upper end of the profiled support frame 11, and multiple groups of columns 12 respectively pass through multiple forming holes of part A, and one of the columns 12 passes through multiple forming holes of part A and then passes through the forming hole of part B;

[0039] During installation, first place part A on the profiling support frame 11 and cooperate with multiple groups of columns 12, then place part B in the groove at one end of part A and cooperate with one column 12 at the end. The position of part A is limited by multiple groups of columns 12, and the position of part B is limited by the groove at one end of part A and one column 12, thereby realizing the automatic alignment of part A and part B;

[0040] Preferably, straight holes 13 for cooperating with the movement of the multi-station welding assembly 4 are provided on the profiling support frame 11;

[0041] The multi-station welding assembly 4 includes a mounting bracket 47, a bidirectional driving assembly, an upper welding assembly, and a lower welding assembly; the bidirectional driving assembly is mounted on the mounting bracket 47, and two driving ends of the bidirectional driving assembly are respectively connected to the upper welding assembly and the lower welding assembly. The first pressing assembly 2 and the second pressing assembly 3 are mounted on the upper welding assembly; the upper welding assembly and the lower welding assembly have the same structure and are symmetrically arranged up and down;

[0042] The bidirectional driving assembly includes a motor 41, a connecting cross plate 43, symmetric threaded rods 44, and guide rails 45; the motor 41 is fixedly mounted on the mounting bracket 47, the symmetric threaded rods 44 are rotatably mounted on the mounting bracket 47, the driving end of the motor 41 is fixedly connected to the upper end of the symmetric threaded rods 44, connecting cross plates 43 are respectively threadedly connected to the symmetric threads of the symmetric threaded rods 44 up and down, and a slider 46 is fixedly connected to one end of each connecting cross plate 43 close to the mounting bracket 47. The slider 46 is slidably connected to the guide rail 45, and the guide rail 45 is fixedly mounted on the side wall of the mounting bracket 47;

[0043] The upper welding assembly includes multiple groups of welding heads 42, and the welding heads 42 are fixedly mounted at the four corners of one end of the connecting cross plate 43 away from the mounting bracket 47. The welding heads 42 of the upper welding assembly are arranged downward;

[0044] Straight holes 13 for the welding heads 42 of the lower welding assembly to pass through are provided on the profiling support frame 11;

[0045] Drive the symmetric threaded rods 44 to rotate through the motor 41, and the symmetric threaded rods 44 drive the connecting cross plates 43 to move stably under the guiding action of the guide rails 45 and the sliders 46, so that the two connecting cross plates 43 above and below move towards each other or away from each other, and then drive the welding heads 42 above and below to move towards each other or away from each other. When moving towards each other, the lower welding heads 42 pass through the straight holes 13 and contact the four welding points at the bottom of part A, and the upper welding heads 42 contact the four welding points at the upper end of part B; weld the welding points of part A and part B through the upper and lower welding heads 42 to realize fixed-point butt welding treatment, with high accuracy.

[0046] In some embodiments, please refer to the accompanying instructions Figure 6, the first pressing assembly 2 includes a first spring 21, a cross plate 22, a first pressing cylinder 23 and a first straight rod 24; one end of the cross plate 22 is fixedly connected to the connecting cross plate 43, and the bottom of the other end of the cross plate 22 is fixedly connected to the first straight rod 24. The lower end of the first straight rod 24 is slidably connected to the first pressing cylinder 23 in a limited manner. Limiting rings for limiting the first spring 21 are fixedly connected to the middle of the first straight rod 24 and the bottom of the first pressing cylinder 23. The first spring 21 is sleeved on the first straight rod 24 and the first pressing cylinder 23 and is located between the upper and lower limiting rings;

[0047] In the natural state, the bottom height of the first pressing cylinder 23 is lower than the bottom height of the upper welding head 42;

[0048] When the upper and lower connecting cross plates 43 move towards each other, the upper connecting cross plate 43 drives the cross plate 22 to move downward. The cross plate 22 drives the first straight rod 24 and the first pressing cylinder 23 to move downward. The first pressing cylinder 23 first contacts the part A, and the first pressing cylinder 23 continues to move upward and slides relative to the first straight rod 24 and compresses the first spring 21. Under the elastic action of the first spring 21, the part A is pressed tightly to prevent the part A from shifting during subsequent welding.

[0049] In some embodiments, please refer to the specification appendix Figure 6 , the second pressing assembly 3 includes a second spring 31, a second pressing cylinder 32, and a second straight rod 33; the top of the second straight rod 33 is fixedly connected to the connecting cross plate 43, and the lower end of the second straight rod 33 is slidably connected to the second pressing cylinder 32 in a limited manner. Limiting rings for limiting the second spring 31 are fixedly connected to the middle of the second straight rod 33 and the bottom of the second pressing cylinder 32. The second spring 31 is sleeved on the second straight rod 33 and the second pressing cylinder 32 and is located between the upper and lower limiting rings;

[0050] In the natural state, the bottom height of the second pressing cylinder 32 is lower than the bottom height of the upper welding head 42, and the bottom height of the second pressing cylinder 32 is higher than the bottom height of the first pressing cylinder 23;

[0051] When the upper and lower connecting cross plates 43 move towards each other, the upper connecting cross plate 43 drives the second straight rod 33 to move downward. The second straight rod 33 drives the second pressing cylinder 32 to move downward. The second pressing cylinder 32 first contacts the part B, and the second pressing cylinder 32 continues to move upward and slides relative to the second straight rod 33 and compresses the second spring 31. Under the elastic action of the second spring 31, the part B is pressed tightly to prevent the part B from shifting during subsequent welding.

[0052] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic alignment and welding device, characterized in that, It includes a positioning and supporting component (1) and a multi-station welding component (4); On the movable end of the multi-station welding component (4), a first pressing component (2) for pressing part A during welding and a second pressing component (3) for pressing part B during welding are installed; The positioning and supporting component (1) includes a profiling support frame (11) and a column (12); Part A is placed on the profiling support frame (11), part B is placed in a groove on one side of part A, multiple groups of columns (12) are fixedly connected to the upper end of the profiling support frame (11), and multiple groups of columns (12) respectively pass through multiple forming holes of part A, and one of the columns (12) passes through multiple forming holes of part A and then through the forming hole of part B.

2. The automatic alignment butt welding device according to claim 1, wherein A straight hole (13) for the movement of the multi-station welding component (4) is provided on the profiling support frame (11).

3. The automatic alignment butt welding device according to claim 2, wherein The multi-station welding component (4) includes a mounting bracket (47), a bidirectional driving component, an upper welding component, and a lower welding component; The bidirectional driving component is installed on the mounting bracket (47), and the two driving ends of the bidirectional driving component are respectively connected to the upper welding component and the lower welding component, and the first pressing component (2) and the second pressing component (3) are installed on the upper welding component; The upper welding component and the lower welding component have the same structure and are symmetrically arranged up and down.

4. The automatic alignment butt welding device according to claim 3, characterized in that, The bidirectional driving component includes a motor (41), a connecting cross plate (43), a symmetric threaded rod (44), and a guide rail (45); The motor (41) is fixedly installed on the mounting bracket (47), the symmetric threaded rod (44) is rotatably installed on the mounting bracket (47), the driving end of the motor (41) is fixedly connected to the upper end of the symmetric threaded rod (44), connecting cross plates (43) are respectively threadedly connected to the symmetric threads of the symmetric threaded rod (44) up and down, a slider (46) is fixedly connected to one end of each connecting cross plate (43) close to the mounting bracket (47), and the slider (46) is slidably connected to the guide rail (45), and the guide rail (45) is fixedly installed on the side wall of the mounting bracket (47).

5. The automatic alignment butt welding device according to claim 4, wherein, The upper welding component includes multiple groups of welding heads (42), and the welding heads (42) are fixedly installed at the four corners of the end of the connecting cross plate (43) away from the mounting bracket (47), and the welding heads (42) are arranged downward.

6. The automatic alignment butt welding device according to claim 5, wherein, A straight hole (13) for the welding head (42) of the lower welding component to pass through is provided on the profiling support frame (11).

7. The automatic alignment butt welding device according to claim 6, wherein, The first pressing component (2) includes a first spring (21), a cross plate (22), a first pressing cylinder (23), and a first straight rod (24); One end of the cross plate (22) is fixedly connected to the connecting cross plate (43), the bottom of the other end of the cross plate (22) is fixedly connected to the first straight rod (24), the lower end of the first straight rod (24) is limited and slidably connected to the first pressing cylinder (23), limit rings for limiting the first spring (21) are fixedly connected to the middle of the first straight rod (24) and the bottom of the first pressing cylinder (23), and the first spring (21) is sleeved on the first straight rod (24) and the first pressing cylinder (23) and is located between the upper and lower limit rings.

8. The automatic alignment butt welding device according to claim 7, characterized in that, The bottom height of the first pressing cylinder (23) is lower than the bottom height of the upper welding head (42).

9. The automatic alignment butt welding device according to claim 8, characterized in that, The second pressing component (3) includes a second spring (31), a second pressing cylinder (32), and a second straight rod (33); the top of the second straight rod (33) is fixedly connected to the connecting cross plate (43), the lower end of the second straight rod (33) is connected to the second pressing cylinder (32) in a limited sliding manner, limiting rings for limiting the second spring (31) are fixedly connected to the middle of the second straight rod (33) and the bottom of the second pressing cylinder (32), and the second spring (31) is sleeved on the second straight rod (33) and the second pressing cylinder (32) and is located between the upper and lower limiting rings.

10. The automatic alignment butt welding device according to claim 9, characterized in that, The height of the bottom of the second pressing cylinder (32) is lower than the height of the bottom of the upper welding head (42), and the height of the bottom of the second pressing cylinder (32) is higher than the height of the bottom of the first pressing cylinder (23).

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