Pulse current auxiliary welding equipment and using method

Abstract

The invention relates to the technical field of pulse welding, in particular to pulse current auxiliary welding equipment and a using method.The pulse current auxiliary welding equipment comprises a base plate, lifting bases are symmetrically arranged at the two ends of the top of the base plate, two lifting stand columns are embedded in the upper ends of the lifting bases, and a lifting base is slidably arranged between the two lifting stand columns; welding plate clamps are arranged on the outer sides of the lifting stand columns of the lifting seats, welding machine fixing plates are arranged on the welding plate clamps in a clamping mode, pulse capacitor sets are arranged at the upper ends of the welding machine fixing plates, welding machine bodies are arranged at the lower ends of the welding machine fixing plates, and positioning arc-shaped plates are symmetrically arranged at the positions, in the middle of the top of the base plate, of the lower ends of the welding machine bodies; two sets of first sliding grooves are symmetrically formed in the two sides of the positioning arc-shaped plate, auxiliary welding clamps are arranged in the first sliding grooves, the auxiliary welding clamps are connected with driving boxes in the first sliding grooves, lifting sliding blocks are further arranged on the outer sides of the lifting stand columns, and electric sliding rails are embedded in the lifting sliding blocks. The device has the advantages of being simple in structure, convenient to use and high in safety.

Description

Technical Field

[0001] The invention relates to the technical field of pulse welding, in particular to a pulse current auxiliary welding device and a use method thereof. Background Art

[0002] Pulse welding is a welding technology that can achieve local heating and melting of metal materials by controlling the transfer and distribution of heat, thereby realizing precise welding operations. Its working principle is to load a certain pulse voltage on the hot press head, which will heat up the object connected to it, and when the temperature rises to the melting point of the solder, the tin between the connected objects will melt and connect them together; at the same time, pulse welding technology is a method of alternating high peak current and low peak current during welding, by quickly switching the positive and negative polarity and current intensity of the current to form a series of pulsed current outputs.

[0003] At present, the existing pulse welding needs to clamp the target during the welding process. The existing pulse welding equipment often adopts fixed clamping when clamping the target. This cannot be adjusted accordingly according to the size of the welded part, etc., and is not flexible enough to use. In addition, in order to ensure the reliability of welding, the existing pulse welding device generally has a complicated structure, high cost, and is difficult to operate during installation. It also has great safety hazards and cannot guarantee the safety of pulse welding.

[0004] Therefore, in view of the above problems, we propose a pulse current assisted welding device and a method of use. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a pulse current assisted welding device and a method of use which are simple in structure, convenient to use and highly safe, and to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pulse current assisted welding device, which includes a base plate, wherein lifting bases are symmetrically arranged at both ends of the top of the base plate, two lifting columns are embedded in the upper end of the lifting base, a lifting seat is slidably arranged between the two lifting columns, and the lifting seat is provided with welding plate clamps on the outer sides of the lifting columns, and the welding plate clamps are clamped with a welding machine fixing plate, a pulse capacitor group is arranged on the upper end of the welding machine fixing plate, and a welding machine body is arranged on the lower end, and a positioning arc plate is symmetrically arranged on the lower end of the welding machine body in the middle of the top of the base plate, and two groups of first sliding grooves are symmetrically arranged on both sides of the positioning arc plate, an auxiliary welding clamp is arranged in the first sliding groove, and the auxiliary welding clamp is connected with a drive box in the first sliding groove.

[0007] Preferably, a lifting slider is further provided on the outer side of the lifting column, an electric slide rail is embedded in the lifting slider, and an electric slider is provided at the lower end of the electric slide rail.

[0008] Preferably, the electric slide rail includes an outer rail fixedly arranged at the upper end of the lifting slider and a middle rail arranged between the outer rails, a second sliding groove is arranged on the side of the outer rail, a third sliding groove is arranged on the upper end of the middle rail, and translation sliders are also arranged on both sides of the middle rail, and sliding wheels are arranged on the upper and lower sides of the translation slider.

[0009] Preferably, the translation slider is embedded in the second sliding groove, and the third sliding groove is connected to the electric slider.

[0010] Preferably, third gears are symmetrically arranged on both sides of the electric slider, the middle of the third gear is arranged on the sliding block, and the second gear is arranged inside the sliding block.

[0011] Preferably, the lifting base is also provided with a carrying plate on the base plate, a driving box is provided on one side of the carrying plate, a third motor is provided inside the driving box, the third motor is connected to a gear shaft, the gear shaft is connected to a fourth gear at the lower end gear inside the driving box, the fourth gear is connected to a second screw rod, the second screw rod is also provided with a fifth gear, the fifth gear is arranged inside the first sliding groove and connected to the auxiliary welding fixture.

[0012] Preferably, the auxiliary welding fixture includes a threaded block arranged inside the first sliding groove and embedded in the fifth gear thread, a fixture base is arranged on the threaded block, a vertical plate is embedded in the upper end of the fixture base, an upper fixture is also embedded between the vertical plates, a fourth motor is arranged on one side of the upper fixture, a limiting plate is also arranged on the top of the vertical plate, and a sliding roller is also arranged on one side of the fixture base.

[0013] Preferably, a top plate is further provided on the top of the lifting column, a second motor is provided on the top plate, a first screw rod is provided at the lower end of the second motor, a first gear is further provided in the lifting column of the first screw rod, and the first gear is connected to the lifting slider.

[0014] Preferably, the lifting seat comprises a first motor arranged on the outer side and a movable plate arranged between the lifting columns, a bevel gear set connected to the first motor is arranged in the movable plate, and the bevel gear set is connected to the lifting columns above and below.

[0015] A method for using a pulse current assisted welding device, the method is implemented by using the pulse welding device, and comprises the following steps: The first step is to clamp and limit the welding piece. The auxiliary welding fixture provided on the upper end of the substrate on the carrier plate drives the gear shaft through the third motor to rotate the second screw rod, and drives the auxiliary welding fixture to translate relatively on the carrier plate. At the same time, the upper fixture provided on the auxiliary welding fixture can be driven to rise and fall on the vertical plate through the fourth motor to clamp and limit the welding piece. In the second step, the welding part is positioned. The lifting slider is driven by the second motor provided at the upper end of the top plate on the outer side of the lifting column. The lifting slider is embedded with an electric slide rail, and the positioning camera is installed at the lower end of the electric slide rail to position the welding part clamped and limited. The third step, finally, is to weld the welded parts. Lifting columns are provided on both sides of the lifting base, and a lifting seat is provided between the lifting columns, so that the welding plate clamp provided on the lifting seat is used to clamp the welding machine fixed plate, so that the pulse capacitor group provided on the welding machine fixed plate is started to start the discharge component, so that the welding machine body at the lower end of the welding machine fixed plate heats the welded parts to complete the pulse welding of the welded parts.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention can effectively ensure that the welded parts remain stable during the welding process through the use of the positioning arc plate and the auxiliary welding fixture provided on the upper end of the substrate, avoid the influence of position changes on the welding results, and realize pulse welding of welded parts of different sizes and structures, making it simpler and more convenient to use. At the same time, the lifting base is provided on both sides of the upper end of the matching substrate, so that it can pass through the lifting column provided on the upper end of the lifting base, through the electric slide rails symmetrically provided on the side of the lifting column, and through the electric slider provided in the middle of the electric slide rail, so that the positioning camera of the welded parts installed on the electric slider can monitor the safety of the welding process in real time, thereby improving the safety of the entire pulse welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the inner structure of the present invention; Figure 3 It is a schematic diagram of the internal structure of the lifting seat of the present invention; Figure 4 It is a schematic diagram of the lifting column structure of the present invention; Figure 5 It is a schematic diagram of the inner structure of the lifting column of the present invention; Figure 6 It is a schematic diagram of the electric slide structure of the present invention; Figure 7It is a schematic diagram of the structure of the electric slider of the present invention; Figure 8 It is a schematic diagram of the structure of the auxiliary welding fixture driving mechanism of the present invention; Fig. 9 It is a schematic diagram of the auxiliary welding fixture structure of the present invention.

[0018] Explanation of the markings in the figure: 1. Base plate; 2. Lifting base; 3. Lifting column; 4. Lifting seat; 5. Top plate; 6. Electric slide rail; 7. Electric slider; 8. Pulse capacitor bank; 9. Welding machine fixed plate; 10. Lifting slider; 11. Welding machine body; 12. Positioning arc plate; 13. Auxiliary welding fixture; 14. First sliding groove; 15. Driving box; 16. Fixture base; 17. Sliding roller; 18. Middle rail; 19. Outer rail; 20. Welding plate fixture; 21. First motor; 22. Movable Plate; 23, bevel gear set; 24, lifting column; 25, second motor; 26, first screw rod; 27, first gear; 28, second sliding slot; 29, third sliding slot; 30, translation slider; 31, sliding wheel; 32, sliding block; 33, second gear; 34, third gear; 35, third motor; 36, gear shaft; 37, fourth gear; 38, fifth gear; 39, second screw rod; 40, threaded block; 41, vertical plate; 42, fourth motor; 43, limit plate; 44, upper clamp. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0020] like Figure 1-9 As shown, the present embodiment discloses a pulse current assisted welding device, which comprises a base plate 1, a lifting base 2 is symmetrically arranged at both ends of the top of the base plate 1, two lifting columns 3 are embedded in the upper end of the lifting base 2, a lifting seat 4 is slidably arranged between the two lifting columns 3, and a welding plate fixture 20 is arranged on the outer side of the lifting column 3 of the lifting seat 4, a welding machine fixing plate 9 is clamped by the welding plate fixture 20, a pulse capacitor group 8 is arranged on the upper end of the welding machine fixing plate 9, and a welding machine body 11 is arranged on the lower end, and a positioning arc plate 12 is symmetrically arranged at the lower end of the welding machine body 11 in the middle of the top of the base plate 1, and two groups of first sliding grooves 14 are symmetrically arranged on both sides of the positioning arc plate 12, an auxiliary welding fixture 13 is arranged in the first sliding groove 14, and the auxiliary welding fixture 13 is connected to a driving box 15 in the first sliding groove 14; Among them, a lifting slider 10 is also provided on the outside of the lifting column 3, and an electric slide rail 6 is embedded in the lifting slider 10. An electric slider 7 is provided at the lower end of the electric slide rail 6. The electric slide rail 6 includes an outer rail 19 fixedly arranged on the upper end of the lifting slider 10 and a middle rail 18 arranged between the outer rails 19. A second sliding groove 28 is arranged on the side of the outer rail 19, and a third sliding groove 29 is arranged on the upper end of the middle rail 18. Translation sliders 30 are also provided on both sides of the middle rail 18. Sliding wheels 31 are provided on the upper and lower sides of the translation slider 30. The translation slider 30 is embedded in the second sliding groove 28. The third sliding groove 29 is connected to the electric slider 7. Third gears 34 are symmetrically arranged on both sides of the electric slider 7. The third gear 34 is arranged in the middle of the sliding block 32, and a second gear 33 is arranged inside the sliding block 32. At the same time, the lifting base 2 is also provided with a bearing plate on the base plate 1, and a driving box 15 is provided on one side of the bearing plate. A third motor 35 is provided inside the driving box 15, and the third motor 35 is connected to a gear shaft 36. The gear shaft 36 is connected to a fourth gear 37 at the lower end gear inside the driving box 15, and the fourth gear 37 is connected to a second screw rod 39. A fifth gear 38 is also provided on the second screw rod 39. The fifth gear 38 is provided inside the first sliding groove 14 and connected to the auxiliary welding fixture 13. The auxiliary welding fixture 13 includes a threaded embedded arrangement provided inside the first sliding groove 14 and the fifth gear 38. A threaded block 40 is provided on the threaded block 40, a clamp base 16 is provided on the upper end of the clamp base 16, a vertical plate 41 is embedded in the upper end, an upper clamp 44 is also embedded between the vertical plates 41, a fourth motor 42 is provided on one side of the upper clamp 44, a limit plate 43 is also provided on the top of the vertical plate 41, a sliding roller 17 is also provided on one side of the clamp base 16, a top plate 5 is also provided on the top of the lifting column 3, a second motor 25 is provided on the top plate 5, a first screw rod 26 is provided at the lower end of the second motor 25, and a first gear 27 is also provided on the first screw rod 26 in the lifting column 3, and the first gear 27 is connected to the lifting slider 10.

[0021] In this embodiment, the lifting columns 3 are arranged in groups of two on the lifting base 2, and a lifting seat 4 is arranged between two lifting columns 3 on one side, so that the lifting seat 4 drives the lifting column 24 through the bevel gear set 23 arranged in the movable plate 22 through the first motor 21 arranged on the lifting seat 4, so that the lifting seat 4 is lifted and lowered between the lifting columns 3 through the lifting column 24, and a welding plate clamp 20 is arranged on one side of the lifting seat 4, so that the welding machine fixing plate 9 is clamped and fixed by the welding plate clamp 20, so that the pulse welding equipment is installed and set through the welding machine fixing plate 9; In this embodiment, the lifting slider 10 is arranged on the side of the lifting column 3, so that it passes through the second motor 25 arranged on the top plate 5 at the bottom of the lifting column 3, and the second motor 25 drives the first gear 27 exposed in three directions inside the lifting column 3 through the first screw rod 26 at the lower end, so that the first gear 27 is threadedly engaged with the lifting slider 10, so that when the second motor 25 drives the first gear 27 to rotate through the first screw rod 26, the lifting slider 10 can rotate through the first gear 27 threadedly engaged with the lifting slider 10 to drive the lifting slider 10 to rise and fall on the side of the lifting column 3, and at the same time, the electric slide rail 6 is also arranged on the inner side of the lifting slider 10, and the third sliding groove 29 arranged in the middle of the electric slide rail 6 can be used to adjust the electric slider 7 arranged on the middle rail 18, which is conducive to more convenient and practical monitoring and positioning of the welded parts during pulse welding; In this embodiment, the lifting base 2 is provided with a welding bearing plate above the middle of the base plate 1, so that it is driven by a driving box 15 provided on one side of the bearing plate, and the third motor 35 and the gear shaft 36 provided inside the driving box 15 drive the second screw rod 39 respectively provided inside the first sliding groove 14, so that the threaded block 40 provided inside the first sliding groove 14 is connected to the second screw rod 39, so that the threaded block 40 drives the auxiliary welding fixture 13 to move relatively on the bearing plate through the second screw rod 39, so as to clamp and fix the welded parts. At the same time, the upper fixture 44 can be driven by the fourth motor 42 through the gear to slide up and down on the vertical plate 41, so that it can adjust its fixation at will according to the welded parts, realize the corresponding adjustment of the size of the welded parts, etc., and can be used flexibly and conveniently for auxiliary welding. Example

[0022] like Figure 1-9 As shown, the present embodiment discloses a pulse current assisted welding device, which comprises a base plate 1, a lifting base 2 is symmetrically arranged at both ends of the top of the base plate 1, two lifting columns 3 are embedded in the upper end of the lifting base 2, a lifting seat 4 is slidably arranged between the two lifting columns 3, and a welding plate fixture 20 is arranged on the outer side of the lifting column 3 of the lifting seat 4, a welding machine fixing plate 9 is clamped by the welding plate fixture 20, a pulse capacitor group 8 is arranged on the upper end of the welding machine fixing plate 9, and a welding machine body 11 is arranged on the lower end, and a positioning arc plate 12 is symmetrically arranged at the lower end of the welding machine body 11 in the middle of the top of the base plate 1, and two groups of first sliding grooves 14 are symmetrically arranged on both sides of the positioning arc plate 12, an auxiliary welding fixture 13 is arranged in the first sliding groove 14, and the auxiliary welding fixture 13 is connected to a driving box 15 in the first sliding groove 14; Specifically, a lifting slider 10 is further provided on the outside of the lifting column 3, and an electric slide rail 6 is embedded in the lifting slider 10. An electric slider 7 is provided at the lower end of the electric slide rail 6. The electric slide rail 6 includes an outer rail 19 fixedly provided on the upper end of the lifting slider 10 and a middle rail 18 provided between the outer rails 19. A second sliding groove 28 is provided on the side of the outer rail 19, and a third sliding groove 29 is provided on the upper end of the middle rail 18. Translation sliders 30 are also provided on both sides of the middle rail 18. Sliding wheels 31 are provided on the upper and lower sides of the translation slider 30. The translation slider 30 is embedded in the second sliding groove 28. The third sliding groove 29 is connected to the electric slider 7. Third gears 34 are symmetrically provided on both sides of the electric slider 7. The third gear 34 is provided in the middle of the sliding block 32. A second gear 33 is provided inside the sliding block 32, which is conducive to the installation of a welding monitoring camera to assist in the positioning of its welding. Specifically, the lifting base 2 is further provided with a bearing plate on the base plate 1, a driving box 15 is provided on one side of the bearing plate, a third motor 35 is provided inside the driving box 15, the third motor 35 is connected to a gear shaft 36, the gear shaft 36 is connected to a fourth gear 37 at the lower end gear inside the driving box 15, the fourth gear 37 is connected to a second screw rod 39, the second screw rod 39 is further provided with a fifth gear 38, the fifth gear 38 is provided inside the first sliding groove 14 and connected to the auxiliary welding fixture 13, which is conducive to driving the auxiliary welding fixture 13 to move relatively on the first sliding groove 14 through the driving box 15, so as to complete the clamping and fixing of the welded part, while ensuring its stability during welding; Specifically, the auxiliary welding fixture 13 includes a threaded block 40 arranged inside the first sliding groove 14 and threadedly embedded with the fifth gear 38, a fixture base 16 is arranged on the threaded block 40, a vertical plate 41 is embedded in the upper end of the fixture base 16, an upper fixture 44 is also embedded between the vertical plates 41, a fourth motor 42 is arranged on one side of the upper fixture 44, a limit plate 43 is also arranged on the top of the vertical plate 41, and a sliding roller 17 is also arranged on one side of the fixture base 16, which is conducive to driving the upper fixture 44 to slide up and down in the middle of the vertical plate 41 through the fourth motor 42, so that it can flexibly adjust the clamping height, so that it can adapt to the clamping and fixing of different welded parts; Specifically, a top plate 5 is further provided on the top of the lifting column 3, a second motor 25 is provided on the top plate 5, a first screw rod 26 is provided at the lower end of the second motor 25, and a first gear 27 is further provided on the first screw rod 26 inside the lifting column 3, which is conducive to the connection between the first gear 27 and the lifting slider 10; Specifically, the lifting seat 4 includes a first motor 21 arranged on the outside and a movable plate 22 arranged between the lifting columns 3. A bevel gear set 23 connected to the first motor 21 is arranged in the movable plate 22. The bevel gear set 23 is connected to the lifting columns 24 above and below, which is conducive to the lifting seat 4 sliding up and down between the lifting columns 3 through the lifting columns 24, so as to adjust the welding height of the welding machine body 11.

[0023] A method for using a pulse current assisted welding device comprises the following steps: In the first step, the welding piece is clamped and limited. The auxiliary welding fixture 13 is arranged on the carrier plate at the upper end of the substrate 1, so that the driving box 15 drives the gear shaft 36 through the third motor 35, so that the second screw 39 rotates, and drives the auxiliary welding fixture 13 to move relatively on the carrier plate. At the same time, the upper fixture 44 arranged on the auxiliary welding fixture 13 can be driven to rise and fall on the vertical plate 41 through the fourth motor 42 to clamp and limit the welding piece; In the second step, the welding piece is positioned. The lifting slider 10 is driven by the second motor 25 provided at the upper end of the top plate 5 on the outer side of the lifting column 3. The lifting slider 10 is embedded with the electric slide rail 6, and the positioning camera is installed at the lower end of the electric slide rail 6 to position the welding piece clamped and limited. The third step, finally, is to weld the welded parts. Lifting columns 3 are provided on both sides of the lifting base 2, and a lifting seat 4 is provided between the lifting columns 3, so that the lifting seat 4 is provided with a welding plate clamp 20 to clamp the welding machine fixed plate 9, so that the pulse capacitor group 8 provided on the welding machine fixed plate 9 is started to start the discharge component, so that the welding machine body 11 at the lower end of the welding machine fixed plate 9 heats the welded parts to complete the pulse welding of the welded parts.

[0024] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pulse current assisted welding device, comprising a base plate (1), characterized in that: A lifting base (2) is symmetrically arranged at both ends of the top of the base plate (1), two lifting columns (3) are embedded in the upper end of the lifting base (2), a lifting seat (4) is slidably arranged between the two lifting columns (3), the lifting seat (4) is provided with a welding plate clamp (20) on the outside of the lifting columns (3), the welding plate clamp (20) clamps a welding machine fixing plate (9), a pulse capacitor group (8) is arranged at the upper end of the welding machine fixing plate (9), and a welding machine body (11) is arranged at the lower end, and a positioning arc plate (12) is symmetrically arranged at the lower end of the welding machine body (11) in the middle of the top of the base plate (1), and two groups of first sliding grooves (14) are symmetrically arranged on both sides of the positioning arc plate (12), an auxiliary welding clamp (13) is arranged in the first sliding groove (14), and the auxiliary welding clamp (13) is connected to a drive box (15) in the first sliding groove (14).

2. A pulse current assisted welding device according to claim 1, characterized in that: A lifting slider (10) is also provided on the outside of the lifting column (3), an electric slide rail (6) is embedded in the lifting slider (10), and an electric slider (7) is provided at the lower end of the electric slide rail (6).

3. A pulse current assisted welding device according to claim 2, characterized in that: The electric slide rail (6) comprises an outer rail (19) fixedly arranged at the upper end of the lifting slider (10) and a middle rail (18) arranged between the outer rails (19); a second sliding groove (28) is arranged on the side of the outer rail (19); a third sliding groove (29) is arranged on the upper end of the middle rail (18); and translation sliders (30) are also arranged on both sides of the middle rail (18); and sliding wheels (31) are arranged on the upper and lower sides of the translation slider (30).

4. A pulse current assisted welding device according to claim 3, characterized in that: The translation slide block (30) is embedded in the second slide groove (28), and the third slide groove (29) is connected to the electric slide block (7).

5. A pulse current assisted welding device according to claim 4, characterized in that: The electric slider (7) is provided with third gears (34) symmetrically on both sides thereof, the third gears (34) are arranged in the middle of the sliding block (32), and the sliding block (32) is provided with a second gear (33) therein.

6. The pulse current assisted welding equipment according to claim 1, characterized in that: The lifting base (2) is further provided with a bearing plate on the base plate (1), a driving box (15) is provided on one side of the bearing plate, a third motor (35) is provided inside the driving box (15), the third motor (35) is connected to a gear shaft (36), the gear shaft (36) is connected to a fourth gear (37) at the lower end gear inside the driving box (15), the fourth gear (37) is connected to a second screw rod (39), the second screw rod (39) is further provided with a fifth gear (38), the fifth gear (38) is provided inside the first sliding groove (14) and is connected to the auxiliary welding fixture (13).

7. A pulse current assisted welding device according to claim 6, characterized in that: The auxiliary welding fixture (13) comprises a threaded block (40) arranged inside the first sliding groove (14) and embedded in the thread of the fifth gear (38); a fixture base (16) is arranged on the threaded block (40); a vertical plate (41) is embedded in the upper end of the fixture base (16); an upper fixture (44) is also embedded between the vertical plates (41); a fourth motor (42) is arranged on one side of the upper fixture (44); a limiting plate (43) is also arranged on the top of the vertical plate (41); and a sliding roller (17) is also arranged on one side of the fixture base (16).

8. The pulse current assisted welding equipment according to claim 7, characterized in that: A top plate (5) is also provided on the top of the lifting column (3), a second motor (25) is provided on the top plate (5), a first screw rod (26) is provided at the lower end of the second motor (25), the first screw rod (26) is also provided with a first gear (27) inside the lifting column (3), and the first gear (27) is connected to the lifting slider (10).

9. The pulse current assisted welding equipment according to claim 1, characterized in that: The lifting seat (4) comprises a first motor (21) arranged on the outer side and a movable plate (22) arranged between the lifting columns (3); a bevel gear set (23) connected to the first motor (21) is arranged inside the movable plate (22); and the bevel gear set (23) is connected to lifting columns (24) above and below.

10. A method for using a pulse current assisted welding device, the method being implemented by using the pulse current assisted welding device as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: The first step is to clamp and limit the welding piece. The auxiliary welding fixture (13) disposed on the upper end of the base plate (1) drives the gear shaft (36) through the third motor (35) to rotate the second screw rod (39) and drive the auxiliary welding fixture (13) to move relatively on the bearing plate. At the same time, the upper fixture (44) disposed on the auxiliary welding fixture (13) can be driven to rise and fall on the vertical plate (41) through the fourth motor (42) to clamp and limit the welding piece. In the second step, the weldment is positioned, and the lifting slider (10) is driven on the outside of the lifting column (3) through the second motor (25) provided at the upper end of the top plate (5) on the outside of the lifting column (3), and the lifting slider (10) is driven through the electric slide rail (6) embedded in the lifting slider (10), so that the positioning camera is installed at the lower end of the electric slide rail (6) and the weldment is positioned; In the third step, finally, welding of the welded parts is performed. Lifting columns (3) are provided on both sides of the lifting base (2), and a lifting seat (4) is provided between the lifting columns (3). The lifting seat (4) is used to clamp the welding machine fixed plate (9) through the welding plate clamp (20) provided on the lifting seat (4), so that the pulse capacitor group (8) provided on the welding machine fixed plate (9) is started to start the discharge component, so that the welding machine body (11) at the lower end of the welding machine fixed plate (9) heats the welded parts, thereby completing the pulse welding of the welded parts.

Images