Manganin shunt welding auxiliary device and welding method

Abstract

The invention provides a manganese-copper shunt welding auxiliary device and a welding method, and relates to the technical field of electrical element manufacturing. The auxiliary device comprises a bottom plate, a positioning feeding assembly, a welding assembly and a discharging assembly. The positioning feeding assembly is composed of a transverse positioning rail and a longitudinal positioning rail which are perpendicularly intersected, and a welding groove is formed in the tail end of the longitudinal positioning rail and communicated with the tail end of the transverse positioning rail. The welding assembly is arranged on the upper portion of the welding groove and comprises a welding head and a welding flux feeding rod, and the welding flux feeding rod is set to do reciprocating motion in the vertical direction and synchronously cooperates with the welding head to complete operation. The discharging assembly corresponds to the welding groove. Based on the same invention thought, the invention further provides a manganese-copper shunt welding method, the method is achieved based on the welding auxiliary device and comprises the steps of feeding, alignment, welding and discharging, and the auxiliary device and the method can achieve automatic accurate alignment, collaborative feeding welding and automatic discharging.

Description

Technical Field

[0001] This invention relates to the field of electrical component manufacturing and processing technology, specifically to a welding auxiliary device and welding method for a manganese-copper shunt. Background Technology

[0002] A manganin shunt is a precision resistive element used to measure large currents. It is typically made of two vertically overlapping manganin alloy sheets welded together. The quality of the weld directly determines the accuracy of the shunt's resistance value, temperature coefficient, and long-term stability.

[0003] At present, most welding is carried out manually or semi-automatically, which has the following problems: (1) The vertical alignment of the two metal sheets mainly relies on manual visual inspection and rough fixing by fixtures. The positioning accuracy is low, and misalignment is easy to occur, resulting in large dispersion of resistance value; (2) The solder is usually applied manually, which will lead to uneven solder quantity and positional deviation. These will affect the density and conductivity uniformity of the weld, seriously affecting the welding quality and the consistency of the finished product. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, the purpose of the present invention is to provide a welding auxiliary device and welding method for manganese-copper shunts, so as to at least partially solve the problems mentioned in the background art.

[0005] The technical solution adopted by the present invention is as follows: The first aspect proposes a welding auxiliary device for a manganese copper distributor, including a base plate, wherein the base plate is provided with a positioning and feeding assembly, a welding assembly and a unloading assembly; The positioning and feeding assembly includes a transverse positioning rail and a longitudinal positioning rail. The transverse positioning rail intersects the longitudinal positioning rail perpendicularly. The end of the longitudinal positioning rail is provided with a welding groove, which is connected to the end of the transverse positioning rail. A welding assembly is provided on the upper part of the welding groove. The welding assembly includes a welding head and a solder feeding rod. The solder feeding rod is configured to reciprocate in the vertical direction and work synchronously with the welding head. The unloading assembly is configured correspondingly to the welding tank.

[0006] Furthermore, both the transverse positioning rail and the longitudinal positioning rail are strip-shaped guide rail mechanisms. A transverse groove is formed on the transverse positioning rail along its length direction, and a longitudinal groove is formed on the longitudinal positioning rail along its length direction. The welding groove is located at the end of the longitudinal groove and communicates with the transverse groove, so as to realize the vertical overlap of the first metal sheet and the second metal sheet in the welding groove. The side of the transverse positioning rail is provided with a discharge groove, which is correspondingly arranged with the welding assembly and is connected to the welding groove for exporting the welded product.

[0007] Furthermore, the longitudinal groove is conformally adapted to the first metal sheet; An elastic limiting block is provided at the end of the longitudinal groove.

[0008] Furthermore, the unloading assembly includes an unloading driver, a push plate, and an unloading plate. The push plate and the unloading chute are symmetrically arranged on both sides of the transverse chute, and the push plate corresponds to the unloading chute. The push plate is connected to the output end of the unloading driver. The push plate is embedded in the side wall of the transverse slide groove, and the end face of the push plate is flush with the inner wall of the transverse slide groove. The unloading driver is fixedly connected to the side wall of the transverse positioning rail and is used to drive the push plate to reciprocate along the width direction of the transverse slide groove. The unloading plate is connected to the unloading trough, and the unloading plate is inclined.

[0009] Furthermore, the welding assembly also includes a telescopic rod and a fixing frame, wherein the telescopic rod is fixedly connected to the fixing frame, and the fixing frame is fixedly connected to the base plate; The output end of the telescopic rod is provided with a connecting plate, the welding head is located on the lower surface of the connecting plate, and the welding material feeding rod vertically penetrates the connecting plate and moves synchronously with the welding head.

[0010] Furthermore, it also includes an automatic feeding bin and a feeding driver. The automatic feeding bin is located at the upper part of the front end of the transverse positioning rail. The automatic feeding bin has a funnel-shaped structure, and its outlet is connected to the inlet of the transverse chute. The feeding driver is fixedly connected to the front end of the transverse positioning rail. The output end of the feeding driver is provided with a push rod, which reciprocates along the length of the transverse groove. A second aspect of this invention provides a welding method for a manganese-copper shunt, implemented based on the aforementioned welding auxiliary device, comprising the following steps: Feeding steps: Arrange the first metal sheet sequentially on the longitudinal positioning rail, and arrange the second metal sheet on the transverse positioning rail; Alignment step: Drive the push rod through the feeding driver to feed the second metal sheet intermittently along the transverse groove of the transverse positioning rail. The single feeding distance is adapted to the length of a single second metal sheet, so that the front end of the second metal sheet located at the foremost side enters the welding groove and achieves vertical overlap with the first metal sheet that is already located in the welding groove and whose position is limited by the elastic limiting block, forming a precise overlap area. Welding steps: The connecting plate is driven by the telescopic rod, which drives the welding head and the solder feeding rod to move down synchronously. The solder feeding rod first accurately applies the solder to the overlapping area. Then the welding head is pressed into the overlapping area and connected to the external welding power source. The Joule heat generated by the electric current of the manganese copper material melts the solder, so that the solder fills the joint between the two metal sheets and the welding is completed. Unloading step: After welding is completed, drive the unloading component to push the welded product out of the welding tank.

[0011] Furthermore, in the alignment step, during the initial welding, after the first metal sheet located at the foremost side enters the welding tank, solder is first applied to the overlapping area of ​​the first metal sheet, and then it is vertically overlapped with the second metal sheet to ensure that the solder can evenly cover the overlapping area after the overlap.

[0012] Furthermore, in the welding step, the second metal sheet falls into the transverse chute through the outlet of the automatic feeding hopper. The automatic feeding hopper continuously feeds the transverse chute, and the feeding driver drives the push rod to intermittently push the second metal sheet, thereby realizing the continuous automatic feeding of the second metal sheet.

[0013] Beneficial effects: By setting up transverse and longitudinal positioning rails that are perpendicularly connected and whose ends converge at the welding groove, a precise positioning channel is provided for two vertically overlapping metal sheets, ensuring the uniqueness and accuracy of the overlapping angle and position.

[0014] The synchronous and coordinated operation of the solder feeding rod and the welding head in the welding assembly enables automatic spot application of solder, avoiding solder deviation or uneven application caused by manual intervention, and greatly improving the stability of welding quality; the welding head precisely applies preset pressure and conducts electric melting welding to ensure that the weld is dense and free of pores, thereby improving the strength and consistency of the weld. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a welding auxiliary device for a manganese-copper shunt according to an embodiment of the present invention; Figure 2 This is a front view schematic diagram of a welding auxiliary device for a manganese-copper shunt proposed in an embodiment of the present invention; Figure 3 for Figure 2 Schematic diagram of the AA section along the middle edge; Figure 4 for Figure 3 Schematic diagram of the BB section along the middle.

[0016] in, 1. Base plate; 2. Lateral positioning rail; 3. Feeding driver; 4. Automatic feeding bin; 5. Fixing frame; 6. Welding head; 7. Unloading plate; 8. Welding material feeding rod; 9. Longitudinal positioning rail; 10. Unloading driver; 11. Telescopic rod; 12. Longitudinal chute; 13. First metal plate; 14. Unloading chute; 15. Second metal plate; 16. Lateral chute; 17. Welding groove.

[0017] The accompanying drawings are provided to further understand the embodiments and form part of the specification. They are used together with the embodiments for explanation and do not constitute a limitation on the embodiments. Detailed Implementation

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection.

[0019] In the description of the embodiments, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments.

[0020] like Figures 1-4 As shown, this embodiment provides a welding auxiliary device for a manganese-copper shunt, including a base plate 1, a positioning and feeding assembly, a welding assembly, and a unloading assembly. The base plate 1 serves as the supporting foundation for the entire device, providing stable support for the positioning and feeding assembly, welding assembly, and unloading assembly mounted on the base plate 1.

[0021] Specifically, the positioning and feeding assembly includes a transverse positioning rail 2 and a longitudinal positioning rail 9. The transverse positioning rail 2 and the longitudinal positioning rail 9 intersect perpendicularly. The longitudinal positioning rail 9 has a welding groove 17 at its end, which connects to the end of the transverse positioning rail 2. A welding assembly is located on the upper part of the welding groove 17. According to this structure, the second metal piece 15 slides along the transverse positioning rail 2 into the welding groove 17, and after precise alignment with the first metal piece 13 located on the longitudinal positioning rail 9, a reliable connection is achieved by the welding assembly.

[0022] In particular, the width of the welding groove 17 needs to be greater than the width of the two first metal sheets 13 to ensure that the solder spot application and welding operations can be carried out simultaneously.

[0023] The welding assembly is equipped with a welding head 6 and a solder feeding rod 8. The solder feeding rod 8 and the welding head 6 are positioned parallel to the length direction of the longitudinal positioning rail 9. The solder feeding rod 8 is located in front of the welding head 6 and is used to accurately push the solder to the overlapping area of ​​the first metal sheet 13 before welding, so as to ensure that the solder is evenly distributed and the amount is accurate.

[0024] The solder feeding rod 8 can reciprocate vertically and work synchronously with the welding head 6. When the solder feeding rod 8 descends to a preset height, it applies solder to the overlapping surface of the first metal sheet 13 at the application point. At the same time, the welding head 6 presses against the overlapping surface of the second metal sheet 15 and the first metal sheet 13 at the welding point, applies a preset pressure, and applies electricity to complete the fusion welding. After welding is completed, the solder feeding rod 8 and the welding head 6 rise synchronously to complete one welding cycle.

[0025] It should be noted that the first metal sheet 13 is an L-shaped metal strip. Its vertical section slides along the longitudinal positioning rail 9 and stops at the front end of the welding groove 17, while its horizontal section overlaps at a right angle with the second metal sheet 15 that slides in laterally. Before the upper surface of the horizontal section of the first metal sheet 13 overlaps with the second metal sheet 15, solder needs to be applied in advance to ensure that the two metal sheets are firmly fused together.

[0026] Therefore, in this embodiment, the dot application position is located directly below the solder loading rod 8, while the welding position is located directly below the welding head 6. In actual operation, the welding head 6 and the solder loading rod 8 move down synchronously to complete the solder dot application and welding actions respectively, ensuring the continuity of the welding operation and thus improving welding accuracy and consistency.

[0027] The unloading assembly is positioned corresponding to the welding tank 17. This arrangement ensures that after welding is completed, the unloading assembly can promptly and accurately eject the welded component from the welding tank 17, thus guaranteeing the smooth operation of the entire welding process. In this embodiment, by setting up transverse and longitudinal positioning rails 9 that are perpendicularly connected to each other and whose ends converge at the welding groove 17, a precise positioning channel is provided for the two vertically overlapping metal sheets, ensuring the uniqueness and accuracy of the overlapping angle and position.

[0028] The synchronous and coordinated operation of the solder feeding rod 8 and the welding head 6 in the welding assembly enables automatic spot application of solder, avoiding solder deviation or uneven application caused by manual intervention, and greatly improving the stability of welding quality; the welding head 6 precisely applies preset pressure and conducts electric melting welding to ensure that the weld is dense and free of pores, and improves the strength and consistency of the weld.

[0029] This ensures that the solder is precisely placed in the lap area and immediately subjected to pressure welding, preventing solder misalignment or spatter and forming uniform and dense solder joints. Combined with an automatic unloading component, it achieves fully automated assistance from alignment and welding to finished product, significantly improving the welding quality, consistency, and production efficiency of the manganese-copper shunt.

[0030] Furthermore, in some embodiments, both the transverse positioning rail 2 and the longitudinal positioning rail 9 are strip-shaped guide rail mechanisms. Specifically, a transverse groove 16 is provided on the transverse positioning rail 2 along its length. The transverse groove 16 is a through structure used to stably transport the second metal sheet 15, ensuring that the posture of the second metal sheet 15 is precise and controllable when overlapping.

[0031] A longitudinal groove 12 is provided along the length of the longitudinal positioning rail 9. The longitudinal groove 12 is also a through structure, which is used to stably transport the first metal sheet 13, ensuring that the vertical section of its L-shaped structure always fits the side of the groove during the sliding process, and the horizontal section remains horizontally stable and cantilevered, laying the foundation for subsequent precise overlapping.

[0032] The welding groove 17 is located at the end of the longitudinal slide groove 12 and communicates with the transverse slide groove 16, and is used to realize the vertical overlap of the first metal sheet 13 and the second metal sheet 15 in the welding groove 17.

[0033] Specifically, the longitudinal slide groove 12 and the transverse slide groove 16 meet at the welding groove 17. The welding groove 17 has a rectangular groove structure and a heat dissipation hole at the bottom. Its side walls are provided with a heat insulation layer to prevent heat from spreading to the surrounding area during the welding process and affecting the structural stability of the longitudinal positioning rail 9.

[0034] Meanwhile, a discharge groove 14 is provided on the side of the transverse positioning rail 2. The discharge groove 14 is correspondingly set with the welding component, and the discharge groove 14 is connected to the welding groove 17. This corresponding setting can ensure that after welding is completed, the welded product can smoothly enter the discharge groove 14 from the welding groove 17 to realize the export of the welded product.

[0035] By setting the transverse chute 16 and the longitudinal chute 12, precise linear movement tracks are provided for the first metal sheet 13 and the second metal sheet 15. This structure can guide the metal sheets to move accurately to the welding station, effectively restricting their degrees of freedom in the horizontal plane except for the feed direction, preventing them from deflecting or tipping over during movement, and laying the foundation for the final precise welding.

[0036] Furthermore, in some embodiments, the longitudinal groove 12 is conformally adapted to the first metal sheet 13, that is, the longitudinal groove 12 is also an L-shaped structure. This design ensures that the first metal sheet 13 slides smoothly into the welding groove 17 along the longitudinal groove 12 in a stable and uniform posture, avoiding its displacement and twisting, thereby improving the fit of the overlapping surfaces and the welding quality.

[0037] Meanwhile, an elastic limiting block is provided at the end of the longitudinal chute 12. This limiting block, through its elastic buffering effect, ensures that the first metal sheet 13 can be precisely stopped when it moves to the welding groove 17, ensuring that its overlapping end face is completely aligned with the corresponding position of the second metal sheet 15.

[0038] Specifically, when the first metal sheet 13 reaches the end of the longitudinal groove 12 and comes into contact with the elastic limiting block, the elastic limiting block positions it at the welding position, ensuring the positional accuracy of the first metal sheet 13 in the longitudinal groove 12, which helps to improve the quality and stability of the welding of the manganese copper shunt. Furthermore, in some embodiments, the unloading assembly includes an unloading driver 10, a push plate, and an unloading plate 7. The push plate and the unloading groove 14 are symmetrically arranged on both sides of the transverse slide 16, and the push plate corresponds to the unloading groove 14. The push plate pushes the welded finished product to slide smoothly out along the unloading groove 14.

[0039] Specifically, the push plate is connected to the output end of the unloading driver 10 and is embedded in the side wall of the transverse slide 16, with its end face flush with the inner wall of the transverse slide 16, so as to ensure that the push plate does not interfere with the normal feeding of the second metal sheet 15 when it moves along the transverse slide 16.

[0040] The unloading driver 10 is fixedly connected to the side wall of the transverse positioning rail 2 to ensure that the unloading driver 10 can output power stably. The unloading driver 10 is used to drive the push plate to reciprocate along the width direction of the transverse slide 16. The unloading plate 7 is connected to the unloading trough 14, and the unloading plate 7 is inclined to facilitate the finished product to slide into the collection frame along the unloading plate 7.

[0041] Furthermore, in some embodiments, the welding assembly also includes a telescopic rod 11 and a fixing frame 5. The telescopic rod 11 is fixedly connected to the top of the fixing frame 5, and the bottom of the fixing frame 5 is fixedly connected to the base plate 1. This connection method allows the telescopic rod 11 to stably output power.

[0042] The specific structure is as follows: the output end of the telescopic rod 11 is provided with a connecting plate, the welding head 6 is set on the lower surface of the connecting plate, and the solder feeding rod 8 vertically penetrates the connecting plate to achieve synchronous linkage with the welding head 6.

[0043] This synchronous linkage design ensures that while the welding head 6 is performing welding work, the solder feeding rod 8 can simultaneously apply solder to the upper surface of the first metal sheet 13 located at the spot application position.

[0044] Furthermore, in some embodiments, the auxiliary device also includes an automatic feeding bin 4 and a feeding driver 3. The automatic feeding bin 4 is located at the upper part of the front end of the transverse positioning rail 2. The automatic feeding bin 4 has a funnel-shaped structure, and its outlet is connected to the inlet of the transverse chute 16 to ensure that the material can smoothly enter the transverse chute 16 from the automatic feeding bin 4.

[0045] It should be noted that the width of the entrance of the transverse chute 16 is slightly larger than the width of the second metal sheet 15 to ensure that the second metal sheet 15 can be smoothly introduced without jamming. The guide section of the transverse chute 16 is dovetail-shaped to ensure that the second metal sheet 15 is always centered during the sliding process, preventing offset and flipping, providing precise guidance for the overlap, so that the second metal sheet 15 arrives at the welding position in a constant posture and completes the precise overlap with the first metal sheet 13.

[0046] The feeding driver 3 is fixedly connected to the front side of the transverse positioning rail 2. The output end of the feeding driver 3 is equipped with a push rod, which can reciprocate along the length of the transverse slide 16. Through this reciprocating motion, the push rod can precisely push the second metal piece 15 that has entered the transverse slide 16 forward, so that the second metal piece 15 located at the foremost side can accurately enter the welding position according to the predetermined path, thereby achieving precise overlap with the first metal piece 13 directly below the welding head 6. The feeding driver 3 drives the push rod to advance intermittently, advancing the distance of one second metal sheet 15 each time, thereby realizing the automatic and quantitative supply of the second metal sheet 15 and improving production continuity.

[0047] This embodiment provides a welding method for a manganese-copper shunt based on any of the above embodiments, including the following steps: Feeding steps: First, arrange multiple first metal pieces 13 sequentially on the longitudinal positioning rail 9; at the same time, put multiple second metal pieces 15 into the automatic feeding bin 4, and the second metal pieces 15 fall into the front end of the transverse chute 16 through the outlet.

[0048] Alignment step: The feeding driver 3 drives the push rod to feed the second metal sheet 15 intermittently along the transverse slide 16. The feeding distance of a single feeding is the same as the length of a single second metal sheet 15. Finally, the front end of the second metal sheet 15 located at the foremost side enters the welding groove 17 and achieves vertical overlap with the horizontal section of the first metal sheet 13 that is already located in the welding groove 17 and whose position is limited by the elastic limiting block, forming a precise overlap area.

[0049] Welding steps: The connecting plate is driven by the telescopic rod 11, which moves the welding head 6 and the solder feeding rod 8 downwards synchronously. The solder feeding rod 8 precisely applies solder to the area to be overlapped. Simultaneously, the welding head 6 presses against the overlap area and connects to an external welding power source. The Joule heat generated by the current through the manganese-copper alloy melts the solder, filling the joint between the metal sheets and completing the welding. During welding, a cooling mechanism can be installed on the side of the welding head 6 to locally control the temperature of the welding area, accelerate the solidification of the solder, and improve the quality of the weld joint and welding efficiency.

[0050] Unloading Steps: After welding is completed, the unloading assembly is activated to push the welded product out of the welding groove 17. The product slides out of the device along the unloading plate 7 and falls into the collection basket. This completes one welding process for the manganese-copper shunt.

[0051] Furthermore, in some embodiments, during the initial welding process, after the foremost first metal sheet 13 enters the welding groove 17, an additional operation is required: solder is applied to the overlapping area of ​​the first metal sheet 13. This is done to ensure that after the subsequent vertical overlap with the second metal sheet 15 is completed, the solder can evenly cover the entire overlapping area, thereby guaranteeing the quality and effect of the welding.

[0052] Furthermore, during the welding process, the second metal sheet 15 falls into the transverse chute 16 through the outlet of the automatic feeding bin 4. The automatic feeding bin 4 continuously replenishes the transverse chute 16 to ensure that the supply of the second metal sheet 15 is uninterrupted. At the same time, the feeding driver 3 drives the pusher rod to intermittently push the second metal sheet 15, thereby achieving continuous automatic feeding of the second metal sheet 15, enabling the entire welding process to proceed continuously and efficiently.

[0053] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0054] The embodiments have been described above, and such description is not restrictive. The figures shown are only one embodiment, and the actual structure is not limited to this. In short, if a person skilled in the art is inspired by this description and designs a similar structure and embodiment without departing from the inventive spirit, such design should fall within the scope of protection.

Claims

1. A welding auxiliary device for a manganese-copper shunt, comprising a base plate (1), characterized in that, The base plate (1) is provided with a positioning and feeding assembly, a welding assembly and an unloading assembly; The positioning and feeding assembly includes a transverse positioning rail (2) and a longitudinal positioning rail (9). The transverse positioning rail (2) intersects the longitudinal positioning rail (9) perpendicularly. The end of the longitudinal positioning rail (9) is provided with a welding groove (17). The welding groove (17) is connected to the end of the transverse positioning rail (2). The upper part of the welding groove (17) is provided with a welding assembly. The welding assembly includes a welding head (6) and a solder feeding rod (8), wherein the solder feeding rod (8) is configured to reciprocate in the vertical direction and work synchronously with the welding head (6); The unloading assembly is configured corresponding to the welding groove (17).

2. The welding auxiliary device for the manganese-copper shunt according to claim 1, characterized in that, Both the transverse positioning rail (2) and the longitudinal positioning rail (9) are strip-shaped guide rail mechanisms. The transverse positioning rail (2) has a transverse groove (16) along its length direction, and the longitudinal positioning rail (9) has a longitudinal groove (12) along its length direction. The welding groove (17) is located at the end of the longitudinal groove (12) and communicates with the transverse groove (16) to realize the vertical overlap of the first metal sheet (13) and the second metal sheet (15) in the welding groove (17). The side of the transverse positioning rail (2) is provided with a discharge groove (14), which is correspondingly provided with the welding assembly, and the discharge groove (14) is connected to the welding groove (17) for exporting the welded finished product.

3. The welding auxiliary device for the manganese-copper shunt according to claim 2, characterized in that, The longitudinal groove (12) is conformally adapted to the first metal sheet (13); The end of the longitudinal groove (12) is provided with an elastic limiting block.

4. The welding auxiliary device for the manganese-copper shunt according to claim 2, characterized in that, The unloading assembly includes an unloading driver (10), a push plate and an unloading plate (7). The push plate and the unloading groove (14) are symmetrically arranged on both sides of the transverse slide (16), and the push plate corresponds to the unloading groove (14). The push plate is connected to the output end of the unloading driver (10), the push plate is embedded in the side wall of the transverse slide (16), and the end face of the push plate is flush with the inner wall of the transverse slide (16). The unloading driver (10) is fixed to the side wall of the transverse positioning rail (2) and is used to drive the push plate to reciprocate along the width direction of the transverse slide (16). The unloading plate (7) is connected to the unloading trough (14), and the unloading plate (7) is inclined.

5. The welding auxiliary device for the manganese-copper shunt according to claim 1, characterized in that, The welding assembly also includes a telescopic rod (11) and a fixing frame (5), the telescopic rod (11) being fixedly connected to the fixing frame (5), and the fixing frame (5) being fixedly connected to the base plate (1); The output end of the telescopic rod (11) is provided with a connecting plate, the welding head (6) is located on the lower surface of the connecting plate, and the welding material feeding rod (8) vertically penetrates the connecting plate and is synchronously linked with the welding head (6).

6. The welding auxiliary device for the manganese-copper shunt according to claim 1, characterized in that, It also includes an automatic feeding bin (4) and a feeding driver (3). The automatic feeding bin (4) is located at the upper part of the front end of the transverse positioning rail (2). The automatic feeding bin (4) has a funnel-shaped structure and its outlet is connected to the inlet of the transverse chute (16). The feeding driver (3) is fixedly connected to the front end of the transverse positioning rail (2). The output end of the feeding driver (3) is provided with a push rod, which reciprocates along the length direction of the transverse slide (16).

7. A welding method for a manganese-copper shunt, implemented based on the welding auxiliary device according to any one of claims 1-6, characterized in that, Includes the following steps: Feeding steps: Arrange the first metal sheet (13) sequentially on the longitudinal positioning rail (9), and arrange the second metal sheet (15) on the transverse positioning rail (2). Alignment step: Drive the push rod through the feeding driver (3) to drive the second metal sheet (15) to feed intermittently along the transverse slide (16) of the transverse positioning rail (2). The single feeding distance is adapted to the length of a single second metal sheet (15), so that the front end of the second metal sheet (15) located at the foremost side enters the welding groove (17) and achieves vertical overlap with the first metal sheet (13) that is already located in the welding groove (17) and whose position is limited by the elastic limiting block, forming a precise overlapping area; Welding steps: Drive the connecting plate through the telescopic rod (11), which will drive the welding head (6) and the solder feeding rod (8) to move down synchronously. The solder feeding rod (8) first applies the solder precisely to the overlapping area. Then the welding head (6) presses against the overlapping area and connects to the external welding power source. The Joule heat generated by the electric current of the manganese copper material melts the solder, so that the solder fills the joint between the two metal sheets and completes the welding. Unloading step: After welding is completed, drive the unloading component to push the welded product out of the welding groove (17).

8. The welding method for the manganese-copper shunt according to claim 7, characterized in that, In the alignment step, during the initial welding, after the first metal sheet (13) located at the frontmost side enters the welding groove (17), the solder is first applied to the overlapping area of ​​the first metal sheet (13), and then vertically overlapped with the second metal sheet (15) to ensure that the solder can evenly cover the overlapping area after overlapping.

9. The welding method for the manganese-copper shunt according to claim 7, characterized in that, In the welding step, the second metal sheet (15) falls into the transverse chute (16) through the outlet of the automatic feeding bin (4). The automatic feeding bin (4) continuously feeds the transverse chute (16), and the feeding driver (3) drives the push rod to intermittently push the second metal sheet (15) to realize the continuous automatic feeding of the second metal sheet (15).

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