Flat cable welding protection device for lithium battery pack of new energy commercial vehicle

By designing an automated wire welding protection device, the problems of low welding efficiency, uneven welding points and short circuit risks in the prior art are solved, and an efficient and stable welding process is achieved, and the production efficiency and quality of lithium battery packs are improved.

CN120362639APending Publication Date: 2025-07-25中汽新能(天津)电池科技有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202510670901.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2025-07-25

AI Technical Summary

Technical Problem

The existing wire welding protection devices have problems such as low welding efficiency, sore hands, uneven welding points, and increased short circuit risk during the welding process, which affects the performance of lithium batteries.

Method used

A protective device including wire-controlled adjustment components, vacuum welding components and miscellaneous push components is designed. By automatically combing the wiring, cleaning the output end of the welding gun and pushing tin strips, the accuracy and stability of welding are ensured and the welding quality is improved.

Benefits of technology

It improves welding efficiency, reduces manual operation time and error, reduces welding defects, extends the service life of the welding gun, reduces material losses, and improves the production efficiency and quality of lithium battery packs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120362639A_ABST
    Figure CN120362639A_ABST
Patent Text Reader

Abstract

The invention provides a flat cable welding protection device of a new energy commercial vehicle lithium battery pack, and belongs to the technical field of lithium battery flat cable welding protection. Comprising a box body, a sliding rail is installed in the box body, a lithium battery pack is slidably connected to the top of the sliding rail, a dust collection box is installed on one side of the box body, and a control center is installed at the top of the box body. By arranging the wire arrangement adjusting assembly and the impurity removal pushing assembly, when the flat cables are welded, the stability and accurate positioning of the flat cables can be ensured, the situation that the flat cables deviate or deform due to vibration and thermal expansion in the welding process is avoided, the cleanliness in the working environment is improved, pollution of harmful gas and impurities to the environment is avoided, and the welding quality of the flat cables is improved. The output end of the welding gun is cleaned, good contact between soldering tin and a flat cable is guaranteed during welding, the welding quality is improved, meanwhile, tin bars are pushed by a certain distance, the use efficiency of the tin bars is improved, and the production efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery cable welding protection, and particularly to a cable welding protection device for a lithium battery pack of a new energy commercial vehicle. Background Art

[0002] A lithium battery is a rechargeable battery that stores and releases electrical energy by the movement of lithium ions between the positive and negative electrodes. It has the advantages of high energy density, high working voltage, long cycle life, low self-discharge rate, no memory effect, etc., and is widely used in fields such as mobile phones, laptop computers, electric vehicles, energy storage systems, etc.

[0003] ‌The welding of lithium battery cables is a key step in lithium battery assembly. During the manufacturing process of lithium batteries, cable welding usually occurs in the connection between battery cells and the protection board or bus bar. This process requires precisely aligning the cables to the positive and negative electrodes of the battery, and connecting the positive and negative electrodes of the battery through the cables via a protection device while providing a protection function, which plays a crucial role in the manufacturing and assembly process of lithium batteries and is directly related to the performance, safety, and stability of the battery pack.‌

[0004] In existing cable welding protection devices, during daily welding, workers usually manually align and arrange the cables. Not only will the workers' hands ache after a long time, but sometimes the cables will get entangled during the welding process, and the cables lack fixation, resulting in low welding efficiency. At the same time, after the welding gun finishes welding, the residual solder, oxides, or other impurities on the welding gun will cause the surface of the welding point to be uneven, which will further affect the contact area between the welding material and the solder, causing problems such as loosening and falling off of the welding point, increasing the short-circuit risk, and affecting the performance of the lithium battery.

[0005] Therefore, the present application provides a cable welding protection device for a lithium battery pack of a new energy commercial vehicle to meet the requirements. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide a cable welding protection device for a lithium battery pack of a new energy commercial vehicle to solve the problems of existing cable welding protection devices. During daily welding, workers usually manually align and arrange the cables. Not only will the workers' hands ache after a long time, but sometimes the cables will get entangled during the welding process, and the cables lack fixation, resulting in low welding efficiency. At the same time, after the welding gun finishes welding, the residual solder, oxides, or other impurities on the welding gun will cause the surface of the welding point to be uneven, which will further affect the contact area between the welding material and the solder, causing problems such as loosening and falling off of the welding point, increasing the short-circuit risk, and affecting the performance of the lithium battery.

[0007] To solve the above technical problems, the present invention provides the following technical solutions: A wire arrangement welding protection device for a lithium battery pack of a new energy commercial vehicle, comprising a box body. A slide rail is installed inside the box body. A lithium battery pack is slidably connected to the top of the slide rail. A dust collection box is installed on one side of the box body. A control center is installed on the top of the box body. A display screen is installed at one end of the control center. An air cylinder is installed on the inner wall of the box body; a wire arrangement adjustment component, which is installed on the top of the box body and is used to comb the positive and negative wires for easy welding; a dust suction welding component, which is installed at one end of the air cylinder and is used to weld the combed wires and absorb impurities and harmful gases generated during the welding process; a cleaning and pushing component, which is installed on the top of the dust suction welding component and is used to clean the output end of the welding torch and push the solder bar; the wire arrangement adjustment component is installed above the dust suction welding component, and the dust suction welding component is installed at the bottom of the cleaning and pushing component.

[0008] Optionally, the wire arrangement adjustment component includes a limit bottom plate installed on the top of the box body. A wire holding clamp is rotatably connected to the inner wall of the limit bottom plate. A circular plug post is installed on one side of the wire holding clamp. A wire arrangement embedded plate is installed at the bottom of the limit bottom plate.

[0009] Optionally, a telescopic rod is installed at the bottom of the wire holding clamp. A U-shaped clamp is installed at the bottom of the telescopic rod. An elastic push plate is installed on the inner wall of the U-shaped clamp. A limit block is rotatably connected to one end of the U-shaped clamp.

[0010] Optionally, the dust suction welding component includes a force receiving seat. A moving plate is installed on one side of the force receiving seat. An electric telescopic rod is installed at the bottom of the moving plate.

[0011] Optionally, a welding torch is installed at the bottom of the electric telescopic rod. A camera is installed at one end of the electric telescopic rod. A solder bar storage bin is inserted into the top of the moving plate. A solder bar is inserted into the inside of the solder bar storage bin.

[0012] Optionally, a negative pressure fan is inserted into the surface of the wire holding clamp. A flexible duct is installed at the top of the negative pressure fan. One end of the flexible duct is installed with a dust conveying pipe. One end of the dust conveying pipe is installed on the top of the dust collection box.

[0013] Optionally, the cleaning and pushing component includes a support seat installed on the top of the force receiving seat. A limit bin is installed on one side of the support seat. A connecting plate is inserted into the top of the limit bin. The top of the connecting plate is connected to the bottom of the wire holding clamp.

[0014] Optionally, a ratchet rack is installed at the bottom of the connecting plate. One end of the ratchet rack is meshed and connected with a ratchet wheel. One end of the ratchet wheel is installed with a first gear. The bottom of the first gear is meshed and connected with a toothed plate. The top of the toothed plate is meshed and connected with a second gear.

[0015] Optionally, one end of the second gear is installed with a round shaft. The surface of the round shaft is rotationally connected with a push rod. The push rod is inserted into the inside of the tin bar storage bin. One end of the push rod is installed with a push clamp. A connecting rod is also installed on the surface of the round shaft.

[0016] Optionally, a support rod is installed at the bottom of the connecting rod. One side of the support rod is installed with an elastic column. One end of the elastic column is installed with an arc-shaped plate. One end of the arc-shaped plate is installed with a brush.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects: In the above solution, by setting up a wire management and adjustment component, through the cooperation between the limit bottom plate, the wire holding clamp plate, the wire management embedded plate, the round plug post, the telescopic rod, the U-shaped clamp, the limit block and the elastic push plate, during the wire arrangement process, the wires can be quickly placed and combed, ensuring the stability and accurate positioning of the wire arrangement. Avoiding the occurrence of wire offset or deformation during the welding process due to wire vibration and thermal expansion, firmly fixing the wire arrangement to prevent its movement, thereby ensuring the accuracy and stability of welding, improving the welding quality, reducing welding defects, quickly arranging and clamping the wires for positioning, reducing the time and error of manual operation, improving production efficiency, and reducing production costs.

[0018] In the present invention, by setting up a dust-absorbing welding component, using the force-bearing seat, the moving plate, the electric telescopic rod, the welding torch, the tin bar storage bin, the camera, the negative pressure fan, the flexible conduit, the dust conveying pipe and the tin bar, the combed wires can be quickly docked to the corresponding positions through the lower buckle of the cover body, and then the welding torch can be controlled by the control center to weld the connection points. At the same time, the situation of the welding points can be observed in real time through the camera to avoid the occurrence of welding defects, such as virtual welding and offset welding, improving the welding quality. At the same time, the use of the negative pressure fan improves the cleanliness and hygiene of the working environment, avoids the pollution of the environment by harmful gases and impurities, and ensures the cleanliness of the air environment during welding, improving the production quality.

[0019] By providing a cleaning and pushing component, the present invention utilizes a support base, a limiting bin, a connecting plate, a ratchet rack, a ratchet wheel, a first gear, a toothed plate, a second gear, a pushing rod, a pushing clip, a round shaft, a connecting rod, a support rod, an elastic column, an arc-shaped plate, and a brush to clean the output end of the welding torch after welding is completed, ensuring good contact between the solder and the wire during welding, improving the welding quality, extending the service life of the welding torch. At the same time, after each welding is completed, the solder bar is pushed a certain distance, improving the utilization efficiency of the solder bar, avoiding waste of continuous use of the solder bar, improving the welding quality, reducing manual intervention, and improving the welding effect. Meanwhile, fully automatic welding improves the production efficiency and reduces material loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to implement and use the present invention.

[0021] Figure 1 is a front perspective structural schematic diagram of the wire welding protection device of the present invention; Figure 2 is another perspective structural schematic diagram of the wire welding protection device of the present invention; Figure 3 is a perspective structural schematic diagram of the interior of the box of the present invention; Figure 4 is a perspective structural schematic diagram of the bottom of the limiting bottom plate of the present invention; Figure 5 is a perspective structural schematic diagram of the wire arranging and adjusting component of the present invention; Figure 6 is a perspective structural schematic diagram of the positional relationship between the round plug and the limiting bottom plate of the present invention; Figure 7 For the present invention Figure 6 is an enlarged view of A in; Figure 8 is a perspective structural schematic diagram of the dust suction welding component of the present invention; Figure 9 is a perspective structural schematic diagram of the positional relationship between the camera and the welding torch of the present invention; Figure 10 is a perspective structural schematic diagram of the cleaning and pushing component of the present invention; Figure 11 For the present invention Figure 10 is an enlarged view of B in; Figure 12 is a perspective structural schematic diagram of the arc-shaped plate of the present invention.

[0022] Reference numerals: 1. Box body; 2. Slide rail; 3. Lithium battery pack; 4. Dust collection box; 5. Control center; 6. Cable management and adjustment component; 61. Limit bottom plate; 62. Cable holding clamp; 63. Cable management embedded plate; 64. Round plug post; 65. Telescopic rod; 66. U-shaped clamp; 67. Limit block; 68. Elastic push plate; 7. Dust suction and welding component; 71. Force-bearing seat; 72. Moving plate; 73. Electric telescopic rod; 74. Welding torch; 75. Solder bar storage bin; 76. Camera; 77. Negative pressure fan; 78. Flexible conduit; 79. Dust transport pipe; 710. Solder bar; 8. Impurity cleaning and pushing component; 81. Support seat; 82. Limit bin; 83. Connecting plate; 84. Ratchet rack; 85. Ratchet wheel; 86. First gear; 87. Tooth plate; 88. Second gear; 89. Pushing rod; 810. Pushing clamp; 811. Round shaft; 812. Connecting rod; 813. Support rod; 814. Elastic column; 815. Arc-shaped plate; 816. Brush; 9. Display screen; 10. Cylinder.

[0023] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure. However, this is only for schematic needs and is not intended to limit the present invention to this specific structure, device and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments. Detailed implementation manners

[0024] The following will describe in detail a wire arrangement welding protection device for a lithium battery pack of a new energy commercial vehicle provided by the present invention with reference to the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well-known technologies, those skilled in the art can also adopt other alternative methods for implementation; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0025] It should be pointed out that in the specification, it is mentioned that "an embodiment", "embodiments", "exemplary embodiments", "some embodiments", etc. indicate that the described embodiments may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. In addition, when combining embodiments to describe specific features, structures or characteristics, implementing such features, structures or characteristics in combination with other embodiments (whether explicitly described or not) should be within the knowledge range of those skilled in the relevant art.

[0026] Generally, terms can be understood at least in part from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or property in the singular sense, or can be used to describe a combination of features, structures, or properties in the plural sense. Additionally, the term "based on" can be understood to not necessarily be intended to convey a set of exclusive factors, but rather, depending at least in part on the context, can alternatively allow for other factors that are not necessarily explicitly described.

[0027] It can be understood that the meanings of "on", "above", and "over" in the present invention should be interpreted in the broadest manner such that "on" not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above" or "over" not only means "above" or "over" something, but can also include the meaning of being "above" or "over" something with no intervening features or layers therebetween.

[0028] Furthermore, spatial relative terms such as "under", "below", "lower", "above", "upper", etc. are used herein for convenience of description to describe the relationship of one element or feature to another or other elements or features, as shown in the drawings. The spatial relative terms are intended to cover different orientations in the use or operation of the device in addition to the orientation depicted in the drawings. The device can be oriented in other ways, and the spatial relative descriptive terms used herein can be correspondingly interpreted similarly.

[0029] As Figures 1 to 12 shown, an embodiment of the present invention provides a wire arrangement welding protection device for a new energy commercial vehicle lithium battery pack, including a box body 1, a slide rail 2 is installed inside the box body 1, a lithium battery pack 3 is slidably connected to the top of the slide rail 2, a dust collection box 4 is installed on one side of the box body 1, a control center 5 is installed on the top of the box body 1, a display screen 9 is installed at one end of the control center 5, and a cylinder 10 is installed on the inner wall of the box body 1; a wire arranging and adjusting assembly 6, the wire arranging and adjusting assembly 6 is installed on the top of the box body 1, and the wire arranging and adjusting assembly 6 is used for combing the positive and negative wires for easy welding; a dust suction welding assembly 7, the dust suction welding assembly 7 is installed at one end of the cylinder 10, and the dust suction welding assembly 7 is used for welding the combed wires and absorbing impurities and harmful gases generated during the welding process; a cleaning and pushing assembly 8, the cleaning and pushing assembly 8 is installed on the top of the dust suction welding assembly 7, and the cleaning and pushing assembly 8 is used for cleaning the output end of the welding torch 74 and pushing the solder bar 710; the wire arranging and adjusting assembly 6 is installed above the dust suction welding assembly 7, and the dust suction welding assembly 7 is installed at the bottom of the cleaning and pushing assembly 8.

[0030] As an implementation manner in this embodiment, asFigures 3 to 7 As shown in the figure, the cable management and adjustment component 6 includes a limit bottom plate 61, which is installed on the top of the box body 1. The inner wall of the limit bottom plate 61 is rotatably connected with a cable holding clamp plate 62. One side of the cable holding clamp plate 62 is provided with a circular plug post 64. The bottom of the limit bottom plate 61 is provided with a cable management embedded plate 63. The bottom of the cable holding clamp plate 62 is provided with a telescopic rod 65. The bottom of the telescopic rod 65 is provided with a U-shaped clamp 66. The inner wall of the U-shaped clamp 66 is provided with an elastic push plate 68. One end of the U-shaped clamp 66 is rotatably connected with a limit block 67.

[0031] As an implementation manner in this embodiment, as Figures 4 to 9 shown in the figure, the dust suction and welding component 7 includes a force-bearing seat 71. One side of the force-bearing seat 71 is provided with a moving plate 72. The bottom of the moving plate 72 is provided with an electric telescopic rod 73. The bottom of the electric telescopic rod 73 is provided with a welding torch 74. One end of the electric telescopic rod 73 is provided with a camera 76. The top of the moving plate 72 is plugged with a solder wire storage bin 75. The inside of the solder wire storage bin 75 is plugged with a solder wire 710. The surface of the cable holding clamp plate 62 is plugged with a negative pressure fan 77. The top of the negative pressure fan 77 is provided with a flexible conduit 78. One end of the flexible conduit 78 is provided with a dust conveying pipe 79. One end of the dust conveying pipe 79 is installed on the top of the dust collection box 4.

[0032] As an implementation manner in this embodiment, as Figures 9 to 12 shown in the figure, the impurity cleaning and pushing component 8 includes a support seat 81, which is installed on the top of the force-bearing seat 71. One side of the support seat 81 is provided with a limit bin 82. The top of the limit bin 82 is plugged with a connecting plate 83. The top of the connecting plate 83 is connected to the bottom of the cable holding clamp plate 62. The bottom of the connecting plate 83 is provided with a ratchet rack 84. One end of the ratchet rack 84 is meshed with a ratchet wheel 85. One end of the ratchet wheel 85 is provided with a first gear 86. The bottom of the first gear 86 is meshed with a toothed plate 87. The top of the toothed plate 87 is meshed with a second gear 88. One end of the second gear 88 is provided with a round shaft 811. The surface of the round shaft 811 is rotatably connected with a pushing rod 89. The pushing rod 89 is plugged into the inside of the solder wire storage bin 75. One end of the pushing rod 89 is provided with a pushing clamp 810. The surface of the round shaft 811 is also provided with a connecting rod 812. The bottom of the connecting rod 812 is provided with a support rod 813. One side of the support rod 813 is provided with an elastic column 814. One end of the elastic column 814 is provided with an arc-shaped plate 815. One end of the arc-shaped plate 815 is provided with a brush 816.

[0033] The working principle of the technical solution provided by the present invention is as follows: When using the device, first check whether there are impurities in the box 1 of the device, clean the working environment inside the box 1, clean the dust box 4, then push the lithium battery pack 3 into the box 1 through the slide rail 2, start the control center 5, and check the display screen 9, and then comb the polar lines through the wire management adjustment component 6.

[0034] Then the staff manually moves the limiting bottom plate 61 around the Figure 1 The hinge shown is flipped open, and the pole wire bundle is inserted into the pole wire pre-embedded plate 63 from one end of the bottom of the wire management pre-embedded plate 63 (a slot for pre-embedded pole wires is provided on the wire management pre-embedded plate 63). Then the staff manually rotates the wire holding clamp plate 62 toward the dust conveying pipe 79 around the rotating shaft at the end. The circular plug post 64 at one end of the wire holding clamp plate 62 is initially in the slot on the limiting bottom plate 61. Two sets of elastic ball rods are laterally movably plugged into the inner walls of the two sides of the slot on the limiting bottom plate 61. The elastic ball rods (with springs installed at the tail) are limited at the top. After the wire holding clamp plate 62 is pulled open, multiple polar wires are then pulled out from the side of the wire management embedded plate 63, and the wire bodies of the polar wires are pushed one by one into the inside of the U-shaped clamp 66 installed at one end of the telescopic rod 65. When the limit block 67 is pushed, the limit block 67 (the back of the limit block 67 has a spring and is rotatably connected to the inner side of the U-shaped clamp 66) retreats inward. When the limit block 67 retreats inward, the polar wire enters the inside of the U-shaped clamp 66. When all the polar wires are placed one by one in each U-shaped clamp 66, the limit block 67 is reset by the spring force. At this time, the elastic push plate 68 will resist the polar wire downward, and the limit block 67 and the elastic push plate 68 in the U-shaped clamp 66 realize a limiting effect on the surface of the polar wire. Then the limiting bottom plate 61 is manually moved around as shown in FIG. Figure 1 The hinge shown is flipped in the opposite direction, covered on the box body 1, and connected to the box body 1. After the limiting bottom plate 61 is flipped and connected to the box body 1, the poles are tightly attached to the welding pieces on the lithium battery pack 3 one by one.

[0035] When the pole line is closely attached to the welding pieces on the lithium battery pack 3 one by one, the dust-absorbing welding assembly 7 starts to operate, and the control center 5 controls the operation of the cylinder 10 for output. When the output end of the cylinder 10 extends, the force-bearing seat 71 moves accordingly. When the force-bearing seat 71 moves under force, the moving plate 72 installed at one end of the force-bearing seat 71 moves along. At this time, when the moving plate 72 drives the welding torch 74 and the solder wire storage bin 75 to move above the contact point between the welding piece of the lithium battery pack 3 and the pole line, the camera 76 immediately feeds back the moving track of the welding torch 74 to the display screen 9. Then, after the electric telescopic rod 73 controls the welding torch 74 to descend above the lithium battery pack 3, the welding torch 74 starts to operate to weld the solder wire 710 to the lithium battery pack 3. During the operation of the welding torch 74, the camera 76 continues to feed back the welding situation to the display screen 9 in real time to prevent missed welding and offset welding. When the pole line cannot correspond to the welding point on the lithium battery pack 3, the position of the pole line can be accurately adjusted by flipping the wire-holding clamp plate 62. At the same time, when the welding torch 74 is welding, the generated smoke and impurities are absorbed by the negative pressure fan 77 on the wire-holding clamp plate 62 and enter the flexible conduit 78, and then are transported to the dust extraction pipe 79 through the flexible conduit 78. Then, the collected smoke and impurities will be transported to the dust collection box 4 through the dust extraction pipe 79 to collect the smoke and impurities generated during the welding process.

[0036] After finishing the welding of a group of lithium battery packs 3, the impurity cleaning and pushing component 8 starts to operate. When the limit bottom plate 61 is opened by the staff and the wire arrangement welding of the next group of lithium battery packs 3 is carried out, the staff manually turns the limit bottom plate 61 to drive the rotation of the wire holding clamp 62. When the wire holding clamp 62 flips, the connecting plate 83 rotatably connected to the bottom of the wire holding clamp 62 starts to be driven. At this time, the connecting plate 83 is stretched. When the limit bottom plate 61 continues to flip to 90 degrees, the ratchet rack 84 rotatably connected to the bottom of the connecting plate 83 starts to move. When the ratchet rack 84 moves, it drives the ratchet 85 in the limit bin 82 at one end of the support base 81 to rotate. When the ratchet 85 rotates, the first gear 86 installed at one end of the ratchet 85 starts to rotate. When the first gear 86 rotates, the toothed plate 87 meshed with the bottom of the first gear 86 starts to move. When the toothed plate 87 moves, the second gear 88 meshed with one end of the toothed plate 87 starts to rotate. When the second gear 88 rotates, the round shaft 811 installed at one end of the second gear 88 moves along with the rotation track of the second gear 88. When the round shaft 811 rotates, the pushing rod 89 installed on the surface of the round shaft 811 moves together. At this time, while the pushing rod 89 moves up and down, it also performs a pushing motion. The movement of the pushing rod 89 drives the pushing clamp 810 installed at one end of the pushing rod 89 to move. When the second gear 88 rotates, the pushing clamp 810 pushes the solder bar 710 to be conveyed downward in the solder bar storage bin 75. At the same time, the rotation of the round shaft 811 drives the connecting rod 812 to move together. When the connecting rod 812 moves, the support rod 813 installed at the bottom of the connecting rod 812 moves synchronously along the movement track of the connecting rod 812. At the same time, the movement of the support rod 813 causes the elastic column 814 installed on one side of the support rod 813 to drive the arc-shaped plate 815 to move. When the arc-shaped plate 815 moves, the brush 816 installed at one end of the arc-shaped plate 815 brushes the output end of the welding torch 74 to clean the impurities remaining at the output end of the welding torch 74 and ensure the welding quality.

[0037] This invention covers any substitutions, modifications, equivalent methods and solutions made within the essence and scope of this invention. To enable the public to have a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments of this invention. However, those skilled in the art can also fully understand this invention without the description of these details. In addition, in order to avoid unnecessary confusion to the essence of this invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0038] The above are only the preferred embodiments of this invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of this invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of this invention.

Claims

1. A wire arrangement welding protection device for a lithium battery pack of a new energy commercial vehicle, characterized in that, It includes a box body, inside which a slide rail is installed. A lithium battery pack is slidably connected to the top of the slide rail. A dust collection box is installed on one side of the box body. A control center is installed on the top of the box body. A display screen is installed at one end of the control center. A cylinder is installed on the inner wall of the box body; A wire management and adjustment component, which is installed on the top of the box body and is used to comb the positive and negative wires for easy welding; A dust suction and welding component, which is installed at one end of the cylinder and is used to weld the combed wires and absorb the impurities and harmful gases generated during the welding process; An impurity cleaning and pushing component, which is installed on the top of the dust suction and welding component and is used to clean the output end of the welding torch and push the solder bar; The wire management and adjustment component is installed above the dust suction and welding component, and the dust suction and welding component is installed at the bottom of the impurity cleaning and pushing component.

2. The wire arrangement welding protection device for the lithium battery pack of the new energy commercial vehicle according to claim 1, characterized in that, The wire management and adjustment component includes a limit bottom plate installed on the top of the box body. A wire holding clamp is rotatably connected to the inner wall of the limit bottom plate. A circular plug post is installed on one side of the wire holding clamp. A wire management embedded plate is installed at the bottom of the limit bottom plate.

3. The wire arrangement welding protection device for the lithium battery pack of the new energy commercial vehicle according to claim 2, characterized in that, An expansion rod is installed at the bottom of the wire holding clamp. A U-shaped clamp is installed at the bottom of the expansion rod. An elastic push plate is installed on the inner wall of the U-shaped clamp. A limit block is rotatably connected to one end of the U-shaped clamp.

4. The wire arrangement welding protection device for the lithium battery pack of a new energy commercial vehicle according to claim 3, characterized in that, The dust suction and welding component includes a force-bearing seat. A moving plate is installed on one side of the force-bearing seat. An electric expansion rod is installed at the bottom of the moving plate.

5. The wire arrangement welding protection device for the lithium battery pack of the new energy commercial vehicle according to claim 4, characterized in that, A welding torch is installed at the bottom of the electric expansion rod. A camera is installed at one end of the electric expansion rod. A solder bar storage bin is plugged on the top of the moving plate, and a solder bar is plugged inside the solder bar storage bin.

6. The wire arrangement welding protection device for the lithium battery pack of the new energy commercial vehicle according to claim 5, wherein, A negative pressure fan is plugged on the surface of the wire holding clamp. A flexible duct is installed on the top of the negative pressure fan. One end of the flexible duct is connected to the top of the dust collection box through a dust transport pipe.

7. The wire arrangement welding protection device for the lithium battery pack of a new energy commercial vehicle according to claim 6, characterized in that, The impurity cleaning and pushing component includes a support seat installed on the top of the force-bearing seat. A limit bin is installed on one side of the support seat. A connecting plate is plugged on the top of the limit bin, and the top of the connecting plate is connected to the bottom of the wire holding clamp.

8. The wire arrangement welding protection device for the lithium battery pack of the new energy commercial vehicle according to claim 7, characterized in that, A ratchet rack is installed at the bottom of the connecting plate. One end of the ratchet rack is meshed with a ratchet wheel. One end of the ratchet wheel is installed with a first gear. The bottom of the first gear is meshed with a toothed plate. The top of the toothed plate is meshed with a second gear.

9. The wire arrangement welding protection device for the lithium battery pack of the new energy commercial vehicle according to claim 8, characterized in that, One end of the second gear is installed with a round shaft. A pushing rod is rotatably connected to the surface of the round shaft. The pushing rod is plugged inside the solder bar storage bin. A pushing clamp is installed at one end of the pushing rod. A connecting rod is also installed on the surface of the round shaft.

10. The wire arrangement welding protection device for the lithium battery pack of the new energy commercial vehicle according to claim 9, wherein, A support rod is installed at the bottom of the connecting rod. An elastic column is installed on one side of the support rod. One end of the elastic column is installed with an arc-shaped plate. A brush is installed at one end of the arc-shaped plate.