An automated welding device for processing electric vehicle parts

Abstract

The present invention belongs to the technical field of welding of electric vehicle parts, and in particular, is an automated welding device for processing electric vehicle parts. In response to the problem of manual placement of electrode sheets during welding raised in the background art, the following solution is proposed, including a machine base, wherein the top outer wall of the machine base is fixedly connected to a support frame by bolts, and a guide rail assembly is installed on the top outer wall of the support frame, a plate seat is fixedly connected to the outer wall of the guide rail assembly, and a first connecting frame is welded to the outer wall of one side of the plate seat, a feeding assembly is provided on the bottom outer wall of the first connecting frame, a second connecting frame is welded to the outer wall of one side of the feeding assembly, and a welding auxiliary assembly is provided on the outer wall of the second connecting frame, and a plasma welding assembly is provided on the outer wall of the plate seat. The present invention can realize automatic and precise feeding and positioning of electrode sheets through the coordinated cooperation of the feeding assembly, the welding auxiliary assembly and the plasma welding assembly, without the need for manual intervention, and with a high degree of automation.

Description

Technical Field

[0001] The present invention relates to the technical field of welding of electric vehicle parts, and in particular to an automatic welding device for processing electric vehicle parts. Background Art

[0002] Batteries are the core energy storage unit of electric vehicles, and their performance directly determines the vehicle's range, power output, and overall reliability. Modern electric vehicles mostly use lithium-ion battery packs, which are composed of multiple single cells (cells) connected in series or parallel. Each single cell is equipped with positive and negative electrode sheets on the top, which are used to connect conductive strips to achieve current transmission and distribution. The welding quality of the electrode sheets is crucial. If the weld is not firm or the position is offset, it will lead to increased contact resistance, local overheating, and even cause safety hazards. Therefore, the precise positioning and efficient welding of the electrode sheets are key links in the battery assembly process.

[0003] Traditional battery electrode welding mostly relies on manual operation, which is manifested in the following problems:

[0004] The electrode sheets need to be picked up one by one by the operator and manually placed in the designated position of the battery. This process is highly repetitive and labor-intensive, and is prone to positioning errors due to fatigue. Manual placement of electrode sheets is time-consuming and difficult to meet the needs of large-scale production. Manual operation also makes it difficult to ensure that the electrode sheets and conductive strips are completely aligned. After welding, cold welds or misalignment are likely to occur, affecting the overall performance of the battery pack. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the present invention provides an automated welding device for processing electric vehicle parts, which overcomes the shortcomings of the existing technology and effectively solves the problem of manual placement of electrode sheets during welding.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] The cam is fixedly mounted on the support frame, and the cam is connected to the support frame by bolts. The cam is fixedly mounted on the support frame, and a guide rail assembly is installed on the outer wall of the guide rail assembly, a plate seat is fixedly connected to the outer wall of one side of the plate seat, and a first connecting frame is welded to the outer wall of one side of the plate seat, a feeding assembly is provided on the bottom outer wall of the first connecting frame, a second connecting frame is welded to the outer wall of one side of the feeding assembly, and a welding auxiliary assembly is provided on the outer wall of the second connecting frame, and a plasma welding assembly is provided on the outer wall of the plate seat. The welding auxiliary assembly includes a second cylinder fixedly connected to the outer wall of one side of the second connecting frame by screws, a push plate fixedly connected to the piston rod of the second cylinder, symmetrically distributed horizontal insertion strips rotatably connected to the outer wall of one side of the push plate, a hook rotatably connected to the outer wall of one end of the horizontal insertion strip, a first spring fixedly connected between the horizontal insertion strip and the hook, an I-plate welded to the outer wall of one side of the push plate, and a second spring fixedly connected between the I-plate and the horizontal insertion strip;

[0008] The plasma welding assembly includes a third cylinder fixedly connected to the top outer wall of the plate base by screws, a lifting plate fixedly connected to the piston rod of the third cylinder, a vertical plate welded to the bottom outer wall of the lifting plate, a connecting plate slidably connected to the outer wall of one side of the vertical plate, a blanking traction rod welded to the outer walls on both sides of the connecting plate, and a plasma welding machine installed on the top outer wall of the lifting plate.

[0009] Preferably, the plasma welding assembly also includes a guide rod, a third spring and a laser guide plate, wherein the guide rod is fixedly connected to the top outer wall of the connecting plate, and the guide rod is slidably connected to the outer wall of one side of the vertical plate, the third spring is fixedly connected between the connecting plate and the vertical plate, and the third spring is located outside the guide rod, and the laser guide plate is fixedly connected to the outer wall of one side of the connecting plate by screws.

[0010] Preferably, the lifting plate is slidably connected to the outer wall on the other side of the plate seat, and the laser guide plate is located below the plasma welding machine, the blanking traction rod is located at the top of the cross insertion bar, and the blanking traction rod includes an L-shaped plate and a lower inclined plate, wherein the spacing between the two lower inclined plates is smaller than the spacing between the two cross insertion bars.

[0011] Preferably, the guide rail assembly includes a first electric guide rail, a second electric guide rail and a slide rail, wherein the top outer walls of the first electric guide rail, the second electric guide rail and the slide rail are all provided with sliders, the first electric guide rail is fixedly connected to one side of the top outer wall of the support frame by screws, the bottom outer wall of the second electric guide rail is fixedly connected to a cross arm by screws, and the cross arm is fixedly connected to the slider of the first electric guide rail, the slide rail is fixedly connected to the other side of the top outer wall of the support frame by screws, and the bottom of the outer wall of the other end of the cross arm away from the slide rail is slidably connected to the slider of the slide rail.

[0012] Preferably, the feeding assembly includes a stacking rack, a first cylinder, a push rod, and a discharge plate, wherein the discharge plate is welded to the top outer wall of the first connecting rack, the stacking rack is welded to the one side outer wall of the discharge plate, the first cylinder is fixedly connected to the one side outer wall of the stacking rack by screws, and the push rod is fixedly connected to the piston rod of the first cylinder.

[0013] Preferably, the feeding assembly further comprises a slide groove, and the push rod is slidably connected to the inner wall of the slide groove.

[0014] Preferably, the feeding assembly further comprises a guide groove, and the guide groove is provided on the bottom outer wall of the discharge plate, and the width of the guide groove is adapted to the width of the hook.

[0015] Preferably, a battery placement table is placed on the top outer wall of the machine base, and array-distributed batteries are placed on the inner wall of the battery placement table. Electrode sheets are provided on both sides of the top outer wall of the battery, and the electrode sheets are welded with conductive strips by a plasma welding machine. The conductive strips are installed on the top outer wall of the battery, and the dimensions of the four corners of the inner wall of the stacking rack are adapted to the dimensions of the electrode sheets.

[0016] Preferably, the outer wall of the top of the base is welded with symmetrically distributed positioning angle codes, and the positioning angle codes are closely attached to the four corners of the bottom of the battery placement table.

[0017] The beneficial effects of the present invention are:

[0018] 1. The automated welding device for electric vehicle parts processing of the present invention realizes continuous supply of electrode sheets through the coordinated work of the stacking rack, first cylinder, push rod and discharge plate in the feeding assembly. The size adaptation design of the guide groove and the hook can ensure that the electrode sheets are accurately positioned during the material removal process to avoid deviation.

[0019] 2. The automated welding device for electric vehicle parts processing of the present invention has a linkage design between the cross-insertion bar and the blanking traction rod, which ensures that the electrode sheet is stably clamped and released before welding to avoid vibration or displacement;

[0020] 3. The automated welding device for electric vehicle parts processing of the present invention can realize automatic and precise feeding and positioning of electrode sheets through the coordinated cooperation of feeding components, welding auxiliary components and plasma welding components, without the need for manual intervention, and has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of an automated welding device for electric vehicle parts processing proposed by the present invention. Figure 1 ;

[0022] Figure 2This is a schematic diagram of the overall structure of an automated welding device for electric vehicle parts processing proposed by the present invention. Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the plate-seat connection structure of an automated welding device for electric vehicle parts processing proposed by the present invention. Figure 1 ;

[0024] Figure 4 This is a schematic diagram of the plate-seat connection structure of an automated welding device for electric vehicle parts processing proposed by the present invention. Figure 2 ;

[0025] Figure 5 This is a schematic diagram of a welding auxiliary component of an automated welding device for processing electric vehicle parts proposed by the present invention;

[0026] Figure 6 This is a schematic diagram of a plasma welding assembly of an automated welding device for processing electric vehicle parts proposed by the present invention;

[0027] Figure 7 This is a schematic diagram of a feeding assembly of an automated welding device for processing electric vehicle parts proposed by the present invention;

[0028] Figure 8 This is a schematic diagram of a hook of an automated welding device for electric vehicle parts processing proposed by the present invention preparing to hook an electrode sheet;

[0029] Figure 9 This is a schematic diagram of an automated welding device for electric vehicle parts processing proposed by the present invention when the horizontal insertion bar is unfolded and the electrode sheet is placed down.

[0030] In the figure: 1. Machine base; 2. Support frame; 3. Guide rail assembly; 31. First electric guide rail; 32. Second electric guide rail; 33. Slide rail; 4. Plate base; 5. First connecting frame; 6. Feeding assembly; 61. Stacking rack; 62. First cylinder; 63. Push rod; 64. Unloading plate; 65. Guide groove; 66. Slide groove; 7. Second connecting frame; 8. Welding auxiliary assembly; 81. Second cylinder; 82. Push plate; 83. Horizontal insert; 84. Hook; 85. First spring; 86. I-beam; 87. Second spring; 9. Plasma welding assembly; 91. Third cylinder; 92. Lifting plate; 93. Vertical plate; 94. Connecting plate; 95. Blanking traction rod; 96. Plasma welding machine; 97. Guide rod; 98. Third spring; 99. Laser guide plate; 10. Battery placement table; 11. Battery; 12. Electrode sheet; 13. Conductive strip; 14. Positioning angle code. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figures 1-9 An automated welding device for processing electric vehicle parts includes a machine base 1, the top outer wall of the machine base 1 is fixedly connected to a support frame 2 by bolts, and a guide rail assembly 3 is installed on the top outer wall of the support frame 2, a plate base 4 is fixedly connected to the outer wall of the guide rail assembly 3, and a first connecting frame 5 is welded to the outer wall of one side of the plate base 4, a feeding assembly 6 is provided on the bottom outer wall of the first connecting frame 5, a second connecting frame 7 is welded to the outer wall of one side of the feeding assembly 6, and a welding auxiliary assembly 8 is provided on the outer wall of the second connecting frame 7, and a plasma welding assembly 9 is provided on the outer wall of the plate base 4.

[0033] In the first embodiment, the welding auxiliary assembly 8 includes a second cylinder 81 fixedly connected to the outer wall of one side of the second connecting frame 7 by screws, a push plate 82 fixedly connected to the piston rod of the second cylinder 81, symmetrically distributed horizontal insertion bars 83 rotatably connected to the outer wall of one side of the push plate 82, a hook 84 rotatably connected to the outer wall of one end of the horizontal insertion bar 83, a first spring 85 fixedly connected between the horizontal insertion bar 83 and the hook 84, an I-shaped plate 86 welded to the outer wall of one side of the push plate 82, and a second spring 87 fixedly connected between the I-shaped plate 86 and the horizontal insertion bar 83.

[0034] In this embodiment, the second air cylinder 81 pushes the push plate 82 forward, driving the cross bar 83 to the bottom of the discharge plate 64. The hook 84 at one end of the cross bar 83 contacts the bottom outer wall of the electrode sheet 12 on the discharge plate 64 and slides obliquely. As the hook 84 passes through the electrode sheet 12, the first spring 85 resets the hook 84, causing it to rest against one side of the electrode sheet 12, and the electrode sheet 12 is transferred to the top of the cross bar 83. When the welding auxiliary assembly 8 moves to the welding position, the lower inclined plate of the blanking pull rod 95 moves downward to contact the cross bar 83, forcing it to open, thereby releasing the electrode sheet 12 to the welding position on the upper surface of the battery 11.

[0035] In the second embodiment, the plasma welding assembly 9 includes a third cylinder 91 fixedly connected to the top outer wall of the plate base 4 by screws, a lifting plate 92 fixedly connected to the piston rod of the third cylinder 91, a vertical plate 93 welded to the bottom outer wall of the lifting plate 92, a connecting plate 94 slidably connected to the outer wall of one side of the vertical plate 93, a blanking traction rod 95 welded to the outer walls on both sides of the connecting plate 94, and a plasma welding machine 96 mounted on the top outer wall of the lifting plate 92. The plasma welding assembly 9 also includes a guide rod 97, a third spring 98, and a laser guide plate 99, wherein the guide rod 97 is fixedly connected to the top outer wall of the connecting plate 94 and slidably connected to the outer wall of one side of the vertical plate 93, the third spring 98 is fixedly connected between the connecting plate 94 and the vertical plate 93, and the third spring 98 is located outside the guide rod 97, and the laser guide plate 99 is fixedly connected to the outer wall of one side of the connecting plate 94 by screws. The lifting plate 92 is slidably connected to the outer wall of the other side of the plate base 4, and the laser guide plate 99 is located below the plasma welding machine 96. The blanking traction rod 95 is located at the top of the horizontal insertion bar 83, and the blanking traction rod 95 includes an L-shaped plate and a lower inclined plate, wherein the spacing between the two lower inclined plates is smaller than the spacing between the two horizontal insertion bars 83.

[0036] In this embodiment, a third cylinder 91 drives the lifting plate 92 up and down, driving the riser 93 and connecting plate 94 to adjust the welding height. The cooperation between the guide rod 97 and the third spring 98 ensures that the connecting plate 94 cushions vibrations during the welding process. A laser guide plate 99, located below the plasma welder 96, assists the plasma welder 96 in completing high-precision welding of the electrode sheet 12 and the conductive strip 13 along a predetermined path.

[0037] The guide rail assembly 3 includes a first electric guide rail 31, a second electric guide rail 32 and a slide rail 33, wherein sliders are provided on the top outer walls of the first electric guide rail 31, the second electric guide rail 32 and the slide rail 33, the first electric guide rail 31 is fixedly connected to one side of the top outer wall of the support frame 2 by screws, the bottom outer wall of the second electric guide rail 32 is fixedly connected to a cross arm by screws, and the cross arm is fixedly connected to the slider of the first electric guide rail 31, the slide rail 33 is fixedly connected to the other side of the top outer wall of the support frame 2 by screws, and the bottom of the outer wall of the other end of the cross arm away from the slide rail 33 is slidably connected to the slider of the slide rail 33.

[0038] The first electric guide rail 31 drives the cross arm to move horizontally. The cross arm is fixedly connected to the second electric guide rail 32. As the second electric guide rail 32 drives the plate base 4 to move, the plate base 4 can move in a two-dimensional plane. The slide rail 33 serves as an auxiliary guide mechanism to ensure the stability of the cross arm movement and prevent deviation.

[0039] In the third embodiment, the feed assembly 6 includes a stacking frame 61, a first cylinder 62, a push rod 63, and a discharge plate 64. The discharge plate 64 is welded to the top outer wall of the first connecting frame 5, the stacking frame 61 is welded to one side outer wall of the discharge plate 64, the first cylinder 62 is fixedly connected to one side outer wall of the stacking frame 61 by screws, and the push rod 63 is fixedly connected to the piston rod of the first cylinder 62. The feed assembly 6 also includes a chute 66, and the push rod 63 is slidably connected to the inner wall of the chute 66. The feed assembly 6 also includes a guide groove 65, which is provided on the bottom outer wall of the discharge plate 64. The width of the guide groove 65 matches the width of the hook 84.

[0040] The electrode sheets 12 to be welded are stacked in the stacking rack 61, and the first cylinder 62 drives the upper center of the bottom inner wall. The width of the guide groove 65 matches the size of the hook 84 to ensure that the hook 84 can smoothly pull back the electrode sheet 12.

[0041] A battery placement table 10 is placed on the top outer wall of the machine base 1, and an array of batteries 11 are placed on the inner wall of the battery placement table 10. Electrode sheets 12 are provided on both sides of the top outer wall of the battery 11, and the electrode sheets 12 are welded with conductive strips 13 by a plasma welding machine 96. The conductive strips 13 are installed on the top outer wall of the battery 11, and the dimensions of the four corners of the inner wall of the stacking rack 61 are adapted to the dimensions of the electrode sheets 12.

[0042] The base 1 is the main body of the device, and the top of the base 1 is welded with symmetrically distributed positioning angle codes 14 for fixing the battery placement table 10. The battery placement table 10 can accommodate multiple groups of batteries 11 to ensure that the position of the batteries 11 is fixed during the welding process.

[0043] Working principle:

[0044] Loading of electrode sheets 12: The operator stacks the batch of electrode sheets 12 in the stacking rack 61, and the first cylinder 62 drives the push rod 63 to push the bottom electrode sheet 12 into the discharge plate 64 to complete the initial positioning.

[0045] Clamping and conveying: The horizontal insertion strips 83 of the welding auxiliary assembly 8 are transferred to the bottom sides of the electrode sheet 12 under the push of the second cylinder 81. The hook 84 will press against the bottom outer wall of the electrode sheet 12 to force the hook 84 to slide tiltedly. As the hook 84 passes through the electrode sheet 12, the first spring 85 will reset the hook 84. Afterwards, after the second cylinder 81 retracts the piston rod, the electrode sheet 12 will be transferred to the top outer walls of the two horizontal insertion strips 83, and the hook 84 will be close to the electrode sheet 12.

[0046] The electrode sheet 12 is released: the guide rail assembly 3 drives the plate seat 4 to move above the battery 11. When the plate seat 4 reaches the welding position, the third cylinder 91 drives the blanking traction rod 95 to move downward. At this time, the lower inclined plate of the blanking traction rod 95 will squeeze the cross-insertion bar 83, forcing the cross-insertion bar 83 to open, and the electrode sheet 12 falls accurately to the specified position of the battery 11.

[0047] Welding execution: the lifting plate 92 of the plasma welding assembly 9 continues to descend, the laser guide plate 99 assists in positioning the welding path, and the plasma welding machine 96 emits a high-energy arc to complete the welding of the electrode sheet 12 and the conductive strip 13.

[0048] Reset and cycle: After welding is completed, each component is reset, the guide rail component 3 transfers the position of the plate seat 4, and the feeding component 6 pushes the next electrode sheet 12 to enter the next cycle.

[0049] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An automated welding device for processing electric vehicle parts, comprising a machine base (1), characterized in that: The top outer wall of the machine base (1) is fixedly connected to the support frame (2) by bolts, and the top outer wall of the support frame (2) is installed with a guide rail assembly (3), the outer wall of the guide rail assembly (3) is fixedly connected to the plate seat (4), and a first connecting frame (5) is welded to the outer wall of one side of the plate seat (4), a feeding assembly (6) is provided on the bottom outer wall of the first connecting frame (5), a second connecting frame (7) is welded to the outer wall of one side of the feeding assembly (6), and a welding auxiliary assembly (8) is provided on the outer wall of the second connecting frame (7), a plasma welding assembly (9) is provided on the outer wall of the plate seat (4), and the welding auxiliary assembly ( 8) comprising a second cylinder (81) fixedly connected to the outer wall of one side of the second connecting frame (7) by screws, a flat push plate (82) fixedly connected to the piston rod of the second cylinder (81), symmetrically distributed transverse insertion bars (83) rotatably connected to the outer wall of one side of the flat push plate (82), a hook (84) rotatably connected to the outer wall of one end of the transverse insertion bar (83), a first spring (85) fixedly connected between the transverse insertion bar (83) and the hook (84), an I-shaped plate (86) welded to the outer wall of one side of the flat push plate (82), and a second spring (87) fixedly connected between the I-shaped plate (86) and the transverse insertion bar (83); The plasma welding assembly (9) includes a third cylinder (91) fixedly connected to the top outer wall of the plate base (4) by screws, a lifting plate (92) fixedly connected to the piston rod of the third cylinder (91), a vertical plate (93) welded to the bottom outer wall of the lifting plate (92), a connecting plate (94) slidably connected to the outer wall of one side of the vertical plate (93), a blanking traction rod (95) welded to the outer walls on both sides of the connecting plate (94), and a plasma welding machine (96) installed on the top outer wall of the lifting plate (92); The feeding assembly (6) includes a stacking rack (61), a first cylinder (62), a push rod (63), and a discharge plate (64), wherein the discharge plate (64) is welded to the top outer wall of the first connecting frame (5), the stacking rack (61) is welded to the outer wall of one side of the discharge plate (64), the first cylinder (62) is fixedly connected to the outer wall of one side of the stacking rack (61) by screws, and the push rod (63) is fixedly connected to the piston rod of the first cylinder (62). The feeding assembly (6) also includes a guide groove (65), and the guide groove (65) is opened on the bottom outer wall of the discharge plate (64), and the width of the guide groove (65) is adapted to the width of the hook (84).

2. The automated welding device for electric vehicle parts processing according to claim 1, characterized in that: The plasma welding assembly (9) further includes a guide rod (97), a third spring (98) and a laser guide plate (99), wherein the guide rod (97) is fixedly connected to the top outer wall of the connecting plate (94), and the guide rod (97) is slidably connected to the outer wall of one side of the vertical plate (93), the third spring (98) is fixedly connected between the connecting plate (94) and the vertical plate (93), and the third spring (98) is located outside the guide rod (97), and the laser guide plate (99) is fixedly connected to the outer wall of one side of the connecting plate (94) by screws.

3. The automated welding device for electric vehicle parts processing according to claim 1, characterized in that: The lifting plate (92) is slidably connected to the outer wall of the other side of the plate base (4), and the laser guide plate (99) is located below the plasma welding machine (96). The blanking traction rod (95) is located on the top of the transverse insertion bar (83), and the blanking traction rod (95) includes an L-shaped plate and a lower inclined plate, wherein the spacing between the two lower inclined plates is smaller than the spacing between the two transverse insertion bars (83).

4. The automated welding device for electric vehicle parts processing according to claim 1, characterized in that: The guide rail assembly (3) comprises a first electric guide rail (31), a second electric guide rail (32) and a slide rail (33), wherein sliders are provided on the top outer walls of the first electric guide rail (31), the second electric guide rail (32) and the slide rail (33), the first electric guide rail (31) is fixedly connected to one side of the top outer wall of the support frame (2) by screws, the bottom outer wall of the second electric guide rail (32) is fixedly connected to a cross arm by screws, and the cross arm is fixedly connected to the slider of the first electric guide rail (31), the slide rail (33) is fixedly connected to the other side of the top outer wall of the support frame (2) by screws, and the bottom of the outer wall of the other end of the cross arm away from the slide rail (33) is slidably connected to the slider of the slide rail (33).

5. The automated welding device for electric vehicle parts processing according to claim 1, characterized in that: The feeding assembly (6) further comprises a slide groove (66), and the push rod (63) is slidably connected to the inner wall of the slide groove (66).

6. The automated welding device for electric vehicle parts processing according to claim 1, characterized in that: A battery placement platform (10) is placed on the top outer wall of the machine base (1), and array-distributed batteries (11) are placed on the inner wall of the battery placement platform (10). Electrode sheets (12) are provided on both sides of the top outer wall of the battery (11), and the electrode sheets (12) are welded with conductive strips (13) by a plasma welding machine (96). The conductive strips (13) are installed on the top outer wall of the battery (11), and the dimensions of the four corners of the inner wall of the stacking rack (61) are adapted to the dimensions of the electrode sheets (12).

7. The automated welding device for electric vehicle parts processing according to claim 1, characterized in that: The top outer wall of the base (1) is welded with symmetrically distributed positioning angle codes (14), and the positioning angle codes (14) are closely attached to the four bottom corners of the battery placement platform (10).

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