Welding equipment suitable for automobile battery box manufacturing and using method of welding equipment

Abstract

The invention relates to the technical field of battery box welding equipment, and discloses welding equipment suitable for automobile battery box manufacturing, which comprises a welding table, supporting legs are fixedly mounted at the bottom of the welding table, a fixing frame is fixedly mounted at the top of the welding table, and a clamping and fixing mechanism is arranged outside the welding table. A lifting moving mechanism is arranged at the top of the welding table, a movable welding mechanism is arranged at the top of the lifting moving mechanism, the clamping fixing mechanism comprises a clamping assembly and a driving assembly, and the driving assembly is arranged at the bottom of the clamping assembly. According to the welding equipment suitable for automobile battery box manufacturing and the using method of the welding equipment, through the arranged clamping and fixing mechanism, in the using process, two sliding tables synchronously and reversely slide, the sliding tables drive clamping plates to fixedly clamp battery box plates, and therefore the situation that the battery box plates displace in the welding process is avoided; and therefore, the effect of improving the welding precision of the battery box plate is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of battery box welding equipment, and in particular to a welding equipment suitable for manufacturing automobile battery boxes and a use method thereof. Background Art

[0002] The car battery box is used to install car batteries. During the production process of the battery box, welding equipment is required to weld and fix it.

[0003] According to the description of a welding device for manufacturing an automobile battery box disclosed on the patent website (authorization announcement number: CN115647688B), "the present invention relates to the technical field of welding equipment, and specifically discloses a welding device for manufacturing an automobile battery box, including a base, a box plate and a welding mechanism. A support frame is fixedly connected to the middle of the top of the base, the box plate is located above the support frame, and a positioning assembly is arranged in the middle of the inner side of the box plate, and aluminum blocks are arranged on the top of both ends of the positioning assembly, and driving mechanisms are arranged on both sides of the top of the base, and a slide is arranged on the top of one end of the driving mechanism, and a lifting mechanism is arranged in the middle of the top of the slide, and the welding mechanism is located at the top of one end of the lifting mechanism, and a telescopic rod is vertically installed on the top of one side of the slide, and an L-shaped seat is fixedly connected to the lower outer side of the telescopic rod. During welding, the present invention can quickly bend and weld the aluminum block to the plate edge at the upper end of the box body, so as to quickly and efficiently complete the welding reinforcement work of the box body, and at the same time, the excess overflowed welding slag can be cleaned up synchronously after the welding is completed."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, this design places the battery box plates directly on the support frame and then welds them. During the welding process, the battery box plates cannot be fixed, which makes it easy for the battery box plates to offset during welding, resulting in low welding accuracy. Therefore, it is necessary to design a welding device suitable for automobile battery box manufacturing and its use method to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide a welding device suitable for manufacturing automobile battery boxes and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a welding device suitable for the manufacture of automobile battery boxes, comprising a welding table, the bottom of which is fixedly installed with support legs, the top of which is fixedly installed with a fixing frame, the outside of the welding table is provided with a clamping and fixing mechanism, the top of the welding table is provided with a lifting and moving mechanism, and the top of the lifting and moving mechanism is provided with a movable welding mechanism.

[0008] The clamping and fixing mechanism comprises a clamping assembly and a driving assembly, and the driving assembly is arranged at the bottom of the clamping assembly.

[0009] Preferably, the clamping assembly includes a sliding table, which is slidably installed on the top of the welding table, a sliding shaft is slidably installed inside the sliding table, a clamping plate is fixedly installed on the inner side of the sliding shaft, a stopper is fixedly installed on the end of the sliding shaft away from the clamping plate, and a fixing spring is fixedly installed between the clamping plate and the sliding table to facilitate clamping and fixing of the battery box plate.

[0010] Preferably, through grooves are provided at corresponding positions of the welding platform and the sliding platform, and the sliding platform is slidably installed inside the through grooves, so that the sliding platform can slide through the welding platform.

[0011] Preferably, the driving assembly includes a fixed block, which is fixedly installed on the bottom of the welding table, a rotating body is rotatably installed on the bottom of the fixed block, a connecting rod is rotatably installed between the rotating body and the bottom of the sliding table, and an electric push rod is fixedly installed between the fixed block and the sliding table to facilitate driving the two sliding tables to slide in opposite directions synchronously.

[0012] Preferably, the lifting and moving mechanism includes a sliding seat, which is slidably installed on the top of the welding table, a first motor is fixedly installed on the back of the welding table, a first screw is fixedly installed on the output end of the first motor, a support seat is fixedly installed on the bottom of the welding table, a fixed cylinder is fixedly installed on the top of the sliding seat, a sliding cylinder is slidably installed inside the fixed cylinder, a second motor is fixedly installed on the top of the sliding seat, a second screw is fixedly installed on the output end of the second motor, a mounting plate is fixedly installed on the top of the sliding cylinder, and a threaded cylinder is fixedly installed on the bottom of the mounting plate, so as to facilitate the lifting and adjusting of the height of the welding head.

[0013] Preferably, threaded holes are provided at corresponding positions of the sliding seat and the first screw rod, and the first screw rod is threadably installed in the threaded holes, so that the first screw rod drives the sliding seat to slide.

[0014] Preferably, a limiting groove is provided on the outside of the sliding cylinder, a protrusion is fixedly installed on the inner wall of the fixed cylinder, and the protrusion is slidably installed inside the limiting groove, and the end of the second screw away from the second motor is threadedly installed in the threaded cylinder, so as to facilitate the sliding cylinder to slide in a limited position inside the fixed cylinder.

[0015] Preferably, the mobile welding mechanism includes a sliding block, which is slidably mounted on the top of the mounting plate, a third motor is fixedly mounted on the outer side of the mounting plate, a third screw is fixedly mounted on the output end of the third motor, a mounting frame is fixedly mounted on the top of the sliding block, a smoke extraction hood is fixedly mounted on the outside of the mounting frame, a smoke exhaust pipe is fixedly mounted on the outer side of the smoke extraction hood, and a welding head is fixedly mounted on the end of the mounting frame away from the sliding block to facilitate mobile welding of the welding head.

[0016] Preferably, threaded holes are provided at corresponding positions of the sliding block and the third screw, and the third screw is threadedly installed in the threaded holes. Sliding grooves are provided at corresponding positions of the mounting plate and the sliding block, and the sliding block is slidably installed inside the sliding groove, so that the third screw drives the sliding block to slide and adjust in the mounting plate.

[0017] A method for using welding equipment for manufacturing automobile battery boxes, comprising the following steps:

[0018] S1. First, place the car battery box on the fixed frame, and then retract the electric push rod to drive the left sliding table to slide inward, so that the left sliding table drives the rotating body to rotate through the left connecting rod, and the rotating body drives the right sliding table to move inward synchronously through the right connecting rod, so that the two sliding tables drive the inner clamping plate to move inward, and when the clamping plate contacts the car battery box, the fixing spring is pressed outward through the clamping plate;

[0019] S2, then drive the second screw to rotate through the second motor, so that the second screw drives the sliding cylinder to move up and down and slide inside the fixed cylinder through the threaded cylinder, so that the sliding cylinder drives the top mobile welding mechanism to move up and down through the mounting plate, so that the height of the welding head is adjusted to the welding height, and then drive the third screw to rotate through the third motor, so that the third screw drives the sliding block to move horizontally, so that the sliding block drives the mounting frame to move inward, so that the mounting frame drives the welding head to move inward, so that the welding head is in contact with the car battery box for welding;

[0020] S3. While welding, the first motor drives the first screw to rotate, so that the first screw drives the sliding seat to slide longitudinally on the welding table, and the sliding seat drives the mobile welding mechanism on the top to adjust the position, so that the welding head can move and weld on the outside of the automobile battery box. At the same time, the welding smoke generated during the welding process is sucked in through the provided smoking hood and discharged through the exhaust pipe.

[0021] Compared with the prior art, the present invention provides a welding device suitable for manufacturing automobile battery boxes and a method of using the same, which has the following beneficial effects:

[0022] 1. The welding equipment and the use method thereof are suitable for manufacturing automobile battery boxes. Through the clamping and fixing mechanism, during use, two sliding tables are synchronously slid in opposite directions, so that the sliding tables drive the clamping plates to fix and clamp the battery box plates, thereby avoiding displacement of the battery box plates during welding, thereby achieving the effect of improving the welding accuracy of the battery box plates.

[0023] 2. The welding equipment and the method of using the welding equipment are suitable for manufacturing automobile battery boxes. Through the lifting and moving mechanism, during use, the first motor drives the first screw to rotate, so that the sliding seat drives the top welding head to move longitudinally, so that the welding head can move and weld the battery box plate. The second motor drives the second screw to rotate in and out, so that the second screw cooperates with the threaded cylinder to drive the sliding cylinder to lift and slide, thereby driving the welding head to lift and adjust the height.

[0024] 3. The welding equipment and the use method thereof are suitable for manufacturing automobile battery boxes. Through the mobile welding mechanism, during use, the third motor drives the third screw to rotate, so that the third screw drives the welding head on the mounting frame to move horizontally, so that the welding head and the battery box plate are contacted and welded. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0026] Figure 1 This is a schematic diagram of the appearance structure of the present invention;

[0027] Figure 2 It is a bottom view structural schematic diagram of the present invention;

[0028] Figure 3 This is a schematic diagram of the appearance structure of the clamping and fixing mechanism of the present invention;

[0029] Figure 4 This is a schematic diagram of the appearance structure of the clamping assembly of the present invention;

[0030] Figure 5 This is a schematic diagram of the appearance and structure of the fixed cylinder and the connected mechanism of the present invention;

[0031] Figure 6 It is a front structural cross-sectional schematic diagram of the fixing cylinder and the connected mechanism of the present invention;

[0032] Figure 7 It is a schematic diagram of the top view of the mounting plate and the connected mechanism of the present invention.

[0033] In the figure: 1. welding table; 2. supporting leg; 3. fixing frame; 4. clamping and fixing mechanism; 41. clamping assembly; 411. sliding table; 412. sliding shaft; 413. clamping plate; 414. stopper; 415. fixing spring; 42. driving assembly; 421. fixing block; 422. rotating body; 423. connecting rod; 424. electric push rod; 5. lifting and moving mechanism; 51. sliding seat; 52. first motor; 53. first screw; 54. supporting seat; 55. fixing cylinder; 56. sliding cylinder; 57. second motor; 58. second screw; 59. threaded cylinder; 510. mounting plate; 6. moving welding mechanism; 61. sliding block; 62. third motor; 63. third screw; 64. mounting frame; 65. smoking hood; 66. exhaust pipe; 67. welding head. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Embodiment 1:

[0037] See also Figure 1-4 The present invention provides a technical solution: a welding device suitable for manufacturing automobile battery boxes, including a welding table 1, a supporting leg 2 is fixedly installed at the bottom of the welding table 1, a fixing frame 3 is fixedly installed at the top of the welding table 1, a clamping and fixing mechanism 4 is arranged on the outside of the welding table 1, a lifting and moving mechanism 5 is arranged on the top of the welding table 1, and a movable welding mechanism 6 is arranged on the top of the lifting and moving mechanism 5.

[0038] The clamping and fixing mechanism 4 includes a clamping assembly 41 and a driving assembly 42 . The driving assembly 42 is disposed at the bottom of the clamping assembly 41 .

[0039] Furthermore, the clamping assembly 41 includes a sliding table 411, which is slidably installed on the top of the welding table 1. A sliding shaft 412 is slidably installed inside the sliding table 411, and a clamping plate 413 is fixedly installed on the inner side of the sliding shaft 412. A stopper 414 is fixedly installed on the end of the sliding shaft 412 away from the clamping plate 413, and a fixing spring 415 is fixedly installed between the clamping plate 413 and the sliding table 411 to facilitate clamping and fixing the battery box plate.

[0040] Furthermore, through grooves are provided at corresponding positions of the welding platform 1 and the sliding platform 411 , and the sliding platform 411 is slidably installed inside the through grooves, so that the sliding platform 411 can slide through the welding platform 1 .

[0041] Furthermore, the driving assembly 42 includes a fixed block 421, which is fixedly installed at the bottom of the welding table 1. A rotating body 422 is rotatably installed at the bottom of the fixed block 421. A connecting rod 423 is rotatably installed between the rotating body 422 and the bottom of the sliding table 411. An electric push rod 424 is fixedly installed between the fixed block 421 and the sliding table 411 to facilitate driving the two sliding tables 411 to slide synchronously in the opposite direction.

[0042] Embodiment 2:

[0043] See also Figure 5 and Figure 6 , and combined with Example 1, it is further obtained that the lifting and moving mechanism 5 includes a sliding seat 51, the sliding seat 51 is slidably installed on the top of the welding table 1, a first motor 52 is fixedly installed on the back of the welding table 1, a first screw 53 is fixedly installed on the output end of the first motor 52, a support seat 54 is fixedly installed on the bottom of the welding table 1, a fixed cylinder 55 is fixedly installed on the top of the sliding seat 51, a sliding cylinder 56 is slidably installed inside the fixed cylinder 55, a second motor 57 is fixedly installed on the top of the sliding seat 51, a second screw 58 is fixedly installed on the output end of the second motor 57, a mounting plate 510 is fixedly installed on the top of the sliding cylinder 56, and a threaded cylinder 59 is fixedly installed on the bottom of the mounting plate 510, so as to facilitate the lifting and adjusting of the height of the welding head 67.

[0044] Furthermore, threaded holes are provided at corresponding positions of the sliding seat 51 and the first screw rod 53 , and the first screw rod 53 is threadedly installed in the threaded holes, so that the first screw rod 53 drives the sliding seat 51 to slide.

[0045] Furthermore, a limiting groove is provided on the outside of the sliding cylinder 56, a protrusion is fixedly installed on the inner wall of the fixed cylinder 55, and the protrusion is slidably installed inside the limiting groove, and the end of the second screw 58 away from the second motor 57 is threadedly installed in the threaded cylinder 59, so as to facilitate the sliding cylinder 56 to slide in a limited position inside the fixed cylinder 55.

[0046] Embodiment three:

[0047] See also Figure 7 Combining the first embodiment with the second embodiment, it is further obtained that the mobile welding mechanism 6 includes a sliding block 61, the sliding block 61 is slidably installed on the top of the mounting plate 510, a third motor 62 is fixedly installed on the outer side of the mounting plate 510, a third screw 63 is fixedly installed on the output end of the third motor 62, a mounting frame 64 is fixedly installed on the top of the sliding block 61, a smoke hood 65 is fixedly installed on the outside of the mounting frame 64, a smoke exhaust pipe 66 is fixedly installed on the outside of the smoke hood 65, and a welding head 67 is fixedly installed on the end of the mounting frame 64 away from the sliding block 61, so that the welding head 67 can be easily moved for welding.

[0048] Furthermore, threaded holes are opened at corresponding positions of the sliding block 61 and the third screw rod 63, and the third screw rod 63 is threadedly installed in the threaded holes. Sliding grooves are opened at corresponding positions of the mounting plate 510 and the sliding block 61, and the sliding block 61 is slidably installed inside the sliding groove, so that the third screw rod 63 drives the sliding block 61 to slide and adjust in the mounting plate 510.

[0049] Embodiment 4:

[0050] See also Figure 1-7 , and combined with embodiments 1 to 3, a method for using welding equipment suitable for manufacturing automotive battery boxes is further obtained, comprising the following steps:

[0051] S1. First, place the car battery box on the fixing frame 3, and then retract the electric push rod 424 to drive the left sliding platform 411 to slide inward, so that the left sliding platform 411 drives the rotating body 422 to rotate through the left connecting rod 423, and the rotating body 422 drives the right sliding platform 411 to move inward synchronously through the right connecting rod 423, so that the two sliding platforms 411 drive the inner clamping plate 413 to move inward, and when the clamping plate 413 contacts the car battery box, the fixing spring 415 is pressed outward through the clamping plate 413;

[0052] S2, then the second motor 57 drives the second screw 58 to rotate, so that the second screw 58 drives the sliding cylinder 56 to move up and down and slide inside the fixed cylinder 55 through the threaded cylinder 59, so that the sliding cylinder 56 drives the top mobile welding mechanism 6 to move up and down through the mounting plate 510, so that the height of the welding head 67 is adjusted to the welding height, and then the third motor 62 drives the third screw 63 to rotate, so that the third screw 63 drives the sliding block 61 to move horizontally, so that the sliding block 61 drives the mounting frame 64 to move inward, so that the mounting frame 64 drives the welding head 67 to move inward, so that the welding head 67 is in contact with the car battery box for welding;

[0053] S3. While welding, the first motor 52 drives the first screw 53 to rotate, so that the first screw 53 drives the sliding seat 51 to slide longitudinally on the welding table 1, and the sliding seat 51 drives the mobile welding mechanism 6 on the top to adjust the position, so that the welding head 67 can move and weld on the outside of the car battery box. At the same time, the welding smoke generated during the welding process is sucked in through the provided smoking hood 65 and discharged through the exhaust pipe 66.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A welding device suitable for manufacturing an automobile battery box, comprising a welding table (1), characterized in that: A support leg (2) is fixedly mounted on the bottom of the welding platform (1), a fixing frame (3) is fixedly mounted on the top of the welding platform (1), a clamping and fixing mechanism (4) is arranged outside the welding platform (1), a lifting and moving mechanism (5) is arranged on the top of the welding platform (1), and a movable welding mechanism (6) is arranged on the top of the lifting and moving mechanism (5); The clamping and fixing mechanism (4) comprises a clamping component (41) and a driving component (42), wherein the driving component (42) is arranged at the bottom of the clamping component (41).

2. The welding equipment for automobile battery box manufacturing according to claim 1 is characterized in that: The clamping assembly (41) comprises a sliding table (411), wherein the sliding table (411) is slidably mounted on the top of the welding table (1), a sliding shaft (412) is slidably mounted inside the sliding table (411), a clamping plate (413) is fixedly mounted on the inner side of the sliding shaft (412), a stopper (414) is fixedly mounted on one end of the sliding shaft (412) away from the clamping plate (413), and a fixing spring (415) is fixedly mounted between the clamping plate (413) and the sliding table (411).

3. The welding equipment for automobile battery box manufacturing according to claim 2 is characterized in that: Through slots are provided at corresponding positions of the welding platform (1) and the sliding platform (411), and the sliding platform (411) is slidably mounted inside the through slots.

4. The welding equipment for automobile battery box manufacturing according to claim 2 is characterized in that: The driving assembly (42) comprises a fixed block (421), wherein the fixed block (421) is fixedly mounted on the bottom of the welding table (1), a rotating body (422) is rotatably mounted on the bottom of the fixed block (421), a connecting rod (423) is rotatably mounted between the rotating body (422) and the bottom of the sliding table (411), and an electric push rod (424) is fixedly mounted between the fixed block (421) and the sliding table (411).

5. The welding equipment for automobile battery box manufacturing according to claim 1 is characterized in that: The lifting and moving mechanism (5) comprises a sliding seat (51), the sliding seat (51) is slidably mounted on the top of the welding table (1), a first motor (52) is fixedly mounted on the back of the welding table (1), a first screw (53) is fixedly mounted on the output end of the first motor (52), a support seat (54) is fixedly mounted on the bottom of the welding table (1), a fixed cylinder (55) is fixedly mounted on the top of the sliding seat (51), a sliding cylinder (56) is slidably mounted inside the fixed cylinder (55), a second motor (57) is fixedly mounted on the top of the sliding seat (51), a second screw (58) is fixedly mounted on the output end of the second motor (57), a mounting plate (510) is fixedly mounted on the top of the sliding cylinder (56), and a threaded cylinder (59) is fixedly mounted on the bottom of the mounting plate (510).

6. The welding equipment for automobile battery box manufacturing according to claim 5 is characterized in that: Threaded holes are provided at corresponding positions of the sliding seat (51) and the first screw rod (53), and the first screw rod (53) is threadedly installed in the threaded holes.

7. The welding equipment for automobile battery box manufacturing according to claim 5 is characterized in that: A limiting groove is provided on the outside of the sliding cylinder (56), a protrusion is fixedly installed on the inner wall of the fixed cylinder (55), and the protrusion is slidably installed inside the limiting groove, and one end of the second screw rod (58) away from the second motor (57) is threadedly installed in the threaded cylinder (59).

8. The welding equipment for automobile battery box manufacturing according to claim 5 is characterized in that: The mobile welding mechanism (6) includes a sliding block (61), the sliding block (61) is slidably mounted on the top of a mounting plate (510), a third motor (62) is fixedly mounted on the outer side of the mounting plate (510), a third screw (63) is fixedly mounted on the output end of the third motor (62), a mounting frame (64) is fixedly mounted on the top of the sliding block (61), a smoke hood (65) is fixedly mounted on the outside of the mounting frame (64), a smoke exhaust pipe (66) is fixedly mounted on the outer side of the smoke hood (65), and a welding head (67) is fixedly mounted on one end of the mounting frame (64) away from the sliding block (61).

9. The welding equipment for automobile battery box manufacturing according to claim 8 is characterized in that: A threaded hole is provided at the corresponding position between the sliding block (61) and the third screw rod (63), and the third screw rod (63) is threadedly installed in the threaded hole. A sliding groove is provided at the corresponding position between the mounting plate (510) and the sliding block (61), and the sliding block (61) is slidably installed inside the sliding groove.

10. A method for using welding equipment for manufacturing automobile battery boxes, according to claims 1-9, characterized in that: The following steps are involved: S1. First, place the automobile battery box on the fixing frame (3), and then retract the electric push rod (424) so ​​that the electric push rod (424) drives the left sliding platform (411) to slide inward, and the left sliding platform (411) drives the rotating body (422) to rotate through the left connecting rod (423), and the rotating body (422) drives the right sliding platform (411) to move inward synchronously through the right connecting rod (423), so that the two sliding platforms (411) drive the inner clamping plate (413) to move inward, and when the clamping plate (413) contacts the automobile battery box, the fixing spring (415) is pressed outward through the clamping plate (413); S2, then the second motor (57) drives the second screw (58) to rotate, so that the second screw (58) drives the sliding cylinder (56) to move up and down and slide inside the fixed cylinder (55) through the threaded cylinder (59), so that the sliding cylinder (56) drives the top movable welding mechanism (6) to move up and down through the mounting plate (510), so that the height of the welding head (67) is adjusted to the welding height, and then the third motor (62) drives the third screw (63) to rotate, so that the third screw (63) drives the sliding block (61) to move horizontally, so that the sliding block (61) drives the mounting frame (64) to move inward, so that the mounting frame (64) drives the welding head (67) to move inward, so that the welding head (67) is in contact with the automobile battery box for welding; S3. While welding, the first motor (52) drives the first screw (53) to rotate, so that the first screw (53) drives the sliding seat (51) to slide longitudinally on the welding table (1), so that the sliding seat (51) drives the mobile welding mechanism (6) on the top to adjust the position, so that the welding head (67) moves to weld outside the automobile battery box, and at the same time, the welding smoke generated during the welding process is sucked in through the provided smoking hood (65) and discharged through the exhaust pipe (66).

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