Nickel sheet tin soldering equipment for battery pack

Abstract

The nickel sheet tin soldering equipment for the battery pack comprises an operation table, a machining cavity is formed in the operation table, a conveying rail is installed at the top end of the machining cavity, a transmission end block for installing a tin soldering mechanism is arranged at the bottom of the conveying rail, a fixed sliding rail is arranged at the bottom of the machining cavity, and a limiting seat is movably clamped on the fixed sliding rail; a butt-joint plate is installed at the top of the limiting base, a set of correcting clamping plates are movably arranged at the top end of the butt-joint plate and used for assisting in correcting the nickel sheet, pressing frames are installed at the two ends of the butt-joint plate, and the pressing frames and the correcting clamping plates form a rectangular space used for positioning and machining the nickel sheet; compared with the prior art, the equipment has the advantages that the integration of functions of correction, pressing, adsorption, cleaning and heat dissipation is cooperatively completed through an innovative mechanical structure, and high precision, high efficiency, workpiece protection and operation convenience of nickel sheet tin soldering machining are achieved; the problems of inaccurate positioning, pollution influence, slow heat dissipation, difficult discharging, easy workpiece damage and the like in traditional machining are effectively solved.

Description

Technical Field

[0001] This invention relates to the field of battery cell component processing technology, specifically to a nickel sheet soldering equipment for battery packs. Background Technology

[0002] Nickel foil plays a crucial role in battery modules or battery packs, connecting multiple individual cells. Nickel foil is the main conductor connecting the positive and negative terminals of adjacent individual cells. Nickel foil provides a low-resistance current path. Although its conductivity is slightly inferior to copper, it is far superior to materials such as steel, and it has comprehensive advantages in terms of cost, weldability, and corrosion resistance.

[0003] Existing nickel sheets are prone to displacement during processing and soldering, especially in cases involving small sizes, multiple solder joints, or precise alignment. This is particularly true for thinner nickel sheets, which are difficult to adjust manually during handling, leading to misalignment during soldering. Furthermore, while nickel is a good thermal conductor, sufficient heat transfer time is required during soldering, which hinders subsequent rapid disassembly and replacement, reducing overall processing efficiency. To address these issues, we propose a nickel sheet soldering device for battery packs. Summary of the Invention

[0004] The purpose of this invention is to provide a nickel sheet soldering device for battery packs to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a nickel sheet soldering device for battery packs, comprising,

[0006] The operating table has a processing chamber inside, and a conveying rail is installed at the top of the processing chamber. The bottom of the conveying rail is equipped with a transmission end block for installing a soldering mechanism, and the bottom of the processing chamber is equipped with a fixed slide rail. A limit seat is movably locked on the fixed slide rail, and a docking plate is installed on the top of the limit seat.

[0007] The docking plate is equipped with a set of straightening clamps at its top, which are used to assist in the straightening of the nickel sheet. Both ends of the docking plate are fitted with clamping frames, forming a rectangular space with the straightening clamps for positioning the nickel sheet. The top of the clamping frame has a lifting plate, and the bottom of the lifting plate has a set of clamping rollers for positioning the nickel sheet. When soldering is required, the operator can remove the unprocessed nickel sheet from the storage rack and place it on the docking plate. The straightening clamps and the clamping rollers on both sides then push and push to straighten the nickel sheet. With the assistance of external equipment, a negative pressure is generated at the adsorption plate, which adsorbs and limits the nickel sheet. At this time, the clamping rollers at both ends are lifted and moved to the sides of the nickel sheet, pressing against its surface outwards to facilitate subsequent soldering.

[0008] Preferably, the top of the docking plate has a fixing groove, and a transmission frame is movably mounted inside the fixing groove. The transmission frame is a rectangular frame, and a pair of reset shafts are provided at the bottom of the transmission frame. The reset shafts are installed at both ends of the fixing groove. An adsorption plate is installed inside the transmission frame. Several air inlets are provided at the top of the adsorption plate, and a movable insertion tube is provided at the bottom of the adsorption plate. The docking plate has a conveying groove connected to an external pneumatic device, and the conveying groove is in communication with the movable insertion tube. After the straightening clamp and the pressing roller straighten the nickel sheet, a negative pressure can be generated at the adsorption plate under the action of the external pneumatic device to assist in the positioning of the straightened nickel sheet.

[0009] Preferably, the top of the transmission frame is provided with a plurality of hinge shafts, which are rotatably arranged in pairs at the top of the transmission frame. A limiting groove is provided on the top of the hinge shaft, and a connecting pipe is movably engaged inside the limiting groove.

[0010] Preferably, the opposite side of the corrective splint is inclined, and a fixing slot is provided on the inclined surface of the corrective splint. A hollow end block is engaged inside the fixing slot. An elastic pressure plate is installed at the top of the hollow end block. The extended end of the elastic pressure plate is arc-shaped. The arc-shaped end of the elastic pressure plate is used to abut against both sides of the nickel sheet to assist in pressing.

[0011] The hollow end block has multiple exhaust holes on one side near the arc-shaped extension end, and the exhaust holes are equipped with a mesh screen plate. The top of the hollow end block has an air inlet for connecting with external air pressure equipment. Before welding, air can be blown onto the surface of the nickel sheet after clamping and positioning to remove contaminants such as debris and dust. After welding, when the nickel sheet is lifted with the transmission frame, air can be blown to dissipate heat. Cleaning and heat dissipation are completed in a single operation, reducing the defect rate of weld points, accelerating the cooling process, and reducing the risk of burns to operators and thermal damage to workpieces.

[0012] Preferably, the top of the clamping frame is provided with a pair of telescopic rods, the lifting plate is provided on the top of the telescopic rod plate, the lifting plate is provided with a transmission groove, and the transmission groove is provided with a movable shaft;

[0013] The movable shaft is equipped with a set of motor-driven transmission wheels to move the movable shaft within the transmission groove. A set of rotating plates is provided at the bottom of the movable shaft, and a movable insert rod is provided at one end of the rotating plate. The movable insert rod is used to abut against the inside of the connecting pipe. The transmission frame is linked with the lifting plate through the movable insert rod. When the telescopic rod drives the lifting plate to rise, it drives the entire transmission frame to rise, simplifying the unloading process. Operators do not need to manually pick up parts in a confined space, improving work efficiency and reducing human intervention time and potential misoperation.

[0014] Preferably, the rotating plate has a sliding groove, and a connecting block is engaged inside the sliding groove. Both ends of the pressing roller are provided with connecting seats. The top of the connecting seat is provided with a movable conveying rod, and one end of the conveying rod is located at the bottom of the connecting block. The pressing roller can ensure that the nickel sheet is accurately positioned and firmly fixed before soldering, effectively preventing displacement, warping or tilting caused by vibration or external force during processing.

[0015] Preferably, the pressing roller consists of a rotating shaft and several sleeve rings, and a compressible rubber ring is provided between the sleeve rings. The rubber ring can provide elastic buffer when pressing the nickel sheet surface, effectively avoiding deformation, indentation or surface damage of the nickel sheet caused by rigid pressing.

[0016] Preferably, a storage rack is provided on one side of the limiting seat, and a connecting plate is provided between the inner walls of the storage rack. A rectangular movable pressure plate is inserted into the connecting plate, and several pneumatic shafts are provided between the movable pressure plate and the inner wall of the connecting plate. The storage rack is used to press and store the nickel sheets, which can press and store the nickel sheets and reduce the mess during the material handling process.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. In this invention, the transmission frame is linked to the lifting plate via a movable insert rod. When the telescopic rod drives the lifting plate to rise, it drives the entire transmission frame to rise. After welding and heat dissipation are completed and the adsorption is released, the transmission frame automatically rises, and the nickel sheet leaves the working plane. This simplifies the unloading process, and operators do not need to manually pick up parts in a confined space, thereby improving work efficiency and reducing human intervention time and potential misoperation.

[0019] 2. This invention ensures that the nickel sheet is accurately positioned and firmly fixed before soldering by the multiple synergistic effects of the tilting surface on the correcting clamp, the elastic pressure plate, the initial push correction of the pressing roller, and the subsequent rolling pressing combined with the adsorption plate. This effectively prevents the offset, warping or tilting caused by vibration or external force during the processing, greatly improves the accuracy and consistency of soldering, and ensures the reliability of battery pack connection.

[0020] 3. This invention integrates an airflow channel through the hollow end block embedded inside the correction clamp, which is connected to an external pneumatic device. Before welding, air can be blown onto the surface of the nickel sheet after clamping and positioning to remove contaminants such as debris and dust. After welding, when the nickel sheet is lifted with the transmission frame, air can be blown to dissipate heat. Cleaning and heat dissipation are completed in a single operation, reducing the defect rate of weld points, accelerating the cooling process, and reducing the risk of burns to operators and the potential for thermal damage to workpieces.

[0021] 4. The present invention provides elastic cushioning when the rubber ring is pressed against the surface of the nickel sheet, effectively avoiding deformation, indentation or surface damage of the nickel sheet caused by rigid pressing, especially protecting thin or precision nickel sheets and maintaining the integrity of the workpiece. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the internal structure of the operating table of the present invention;

[0024] Figure 3 This is a schematic diagram of one side of the limiting seat structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the top structure of the docking plate of the present invention;

[0026] Figure 5 For the present invention Figure 4 Enlarged view of a portion of point A in the middle;

[0027] Figure 6 This is a schematic diagram of the clamping frame structure of the present invention;

[0028] Figure 7 This is a schematic diagram of the exploded structure of the disassembled docking plate of the present invention;

[0029] Figure 8 For the present invention Figure 7 Enlarged view of a portion of point B in the middle;

[0030] In the diagram: 1. Operating table; 2. Conveying track; 3. Limiting seat; 4. Storage rack; 5. Pressing frame; 11. Fixed slide rail; 21. Transmission end block; 22. Soldering mechanism; 31. Connecting plate; 32. Correcting clamp; 33. Transmission frame; 34. Hollow end block; 341. Grid screen plate; 342. Elastic pressure plate; 35. Adsorption plate; 36. Hinge shaft; 37. Reset shaft; 38. Connecting pipe; 41. Connecting plate; 42. Movable pressure plate; 51. Lifting plate; 511. Telescopic rod; 52. Movable shaft; 53. Rotating plate; 54. Movable insertion rod; 55. Connecting seat; 56. Pressing roller. Detailed Implementation

[0031] The technical solutions of 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 of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Please see Figures 1-8 This invention provides a technical solution: a nickel sheet soldering device for battery packs, comprising,

[0033] The operating table 1 has a processing chamber inside, and a conveying rail 2 is installed at the top of the processing chamber. The bottom of the conveying rail 2 is provided with a transmission end block 21 for installing a soldering mechanism 22. The bottom of the processing chamber is provided with a fixed slide rail 11. A limit seat 3 is movably mounted on the fixed slide rail 11. A docking plate 31 is installed on the top of the limit seat 3.

[0034] The docking plate 31 has a set of straightening clamps 32 movably installed at its top. The straightening clamps 32 are used for auxiliary straightening of the nickel sheet. Both ends of the docking plate 31 are equipped with clamping frames 5, which form a rectangular space with the straightening clamps 32 for positioning and processing of the nickel sheet. The top of the clamping frame 5 is equipped with a lifting plate 51, and the bottom of the lifting plate 51 is equipped with a set of clamping rollers 56 for positioning the nickel sheet. When the nickel sheet needs to be soldered, the operator can take the unprocessed nickel sheet that is stuck inside the storage rack 4 and place it on the docking plate 31. The straightening clamps 32 and the clamping rollers 56 on both sides can push and cooperate to straighten the position of the nickel sheet. With the cooperation of external equipment, a negative pressure is generated at the adsorption plate 35, which can adsorb and limit the nickel sheet. At this time, the clamping rollers 56 at both ends are lifted and moved to both sides of the nickel sheet, pressing against its surface and moving outward to facilitate the subsequent soldering equipment to process the nickel sheet.

[0035] like Figure 3 and Figure 4 As shown, to ensure the accuracy of nickel sheet soldering, a fixing groove is provided at the top of the mating plate 31, and a transmission frame 33 is movably mounted inside the fixing groove. The transmission frame 33 is a rectangular frame, and a pair of reset shafts 37 are provided at the bottom of the transmission frame 33. The reset shafts 37 are installed at both ends of the fixing groove. An adsorption plate 35 is installed inside the transmission frame 33. Several air inlets are provided at the top of the adsorption plate 35, and a movable insertion tube is provided at the bottom of the adsorption plate 35. The mating plate 31 has a conveying groove connected to an external pneumatic device, and the conveying groove is connected to the movable insertion tube. After the straightening clamp 32 and the pressing roller 56 straighten the nickel sheet, a negative pressure is generated at the adsorption plate 35 under the action of the external pneumatic device, which helps to position the straightened nickel sheet, making it easier to further press it, reducing the occurrence of unexpected deviations, and ensuring the processing accuracy of the equipment.

[0036] like Figure 7 and Figure 8As shown, to facilitate heat dissipation of the nickel sheet after soldering, the top of the transmission frame 33 is provided with several hinge shafts 36. The hinge shafts 36 are rotatably arranged at the top of the transmission frame 33 in pairs. The top of the hinge shafts 36 has a limit groove, and the connecting pipe 38 is movably locked inside the limit groove. During normal correction operation, the movable insert rod 54 can be pressed against the inside of the connecting pipe 38, and the transmission frame 33 can be locked inside the fixed groove, so that the mating plate 31 is in a flat state, which is convenient for the correction and pressing of the nickel sheet. After the soldering is completed, as the telescopic rod 511 drives the lifting plate 51 to move upward as a whole, the movable insert rod 54 can also move, driving the bottom transmission frame 33 to be lifted under the action of the reset shaft 37, which can lift the processed nickel sheet for easy unloading.

[0037] like Figure 4 and Figure 5 As shown, in order to straighten and press the nickel sheet, the opposite side of the straightening clamp 32 is inclined. A fixing slot is provided on the inclined surface of the straightening clamp 32, and a hollow end block 34 is engaged inside the fixing slot. An elastic pressure plate 342 is installed on the top of the hollow end block 34. The extended end of the elastic pressure plate 342 is arc-shaped. The arc-shaped end of the elastic pressure plate 342 is used to abut against both sides of the nickel sheet to assist in pressing. As the straightening clamp 32 moves inward, it can abut against the edge of the nickel sheet to reduce its tilting and displacement. Under the action of the elastic pressure plate 342, the edge warping of the nickel sheet during the straightening process can be reduced.

[0038] The hollow end block 34 has multiple exhaust holes on one side near the arc-shaped extension end, and a mesh screen plate 341 is provided inside the exhaust holes. The top of the hollow end block 34 has an air inlet for connecting with an external pneumatic device. After the nickel sheet is clamped, the airflow can be discharged through the exhaust holes under the action of the external pneumatic device, which can clean the surface of the nickel sheet by blowing air. After the nickel sheet is soldered and lifted with the transmission frame 33, it can also be cooled by blowing air, which can reduce the local high temperature of the nickel sheet after soldering and reduce the safety risks during unloading.

[0039] like Figure 6 As shown, a pair of telescopic rods 511 are provided at the top of the clamping frame 5, and a lifting plate 51 is provided at the top of the telescopic rod plate 511. The lifting plate 51 has a transmission groove inside, and a movable shaft 52 is provided inside the transmission groove. The movement of the telescopic rods 511 can control the movement of the lifting plate 51 at the top.

[0040] The movable shaft 52 is equipped with a set of motor-driven transmission wheels, which are used to drive the movable shaft 52 to move inside the transmission groove. A set of rotating plates 53 is provided at the bottom of the movable shaft 52. A movable insert rod 54 is provided at one end of the rotating plate 53. The movable insert rod 54 is used to abut against the inside of the connecting pipe 38. Under the action of the transmission wheels, the movable shaft 52 can drive the bottom pressing roller 56 to reciprocate, which is convenient for clamping and limiting the nickel sheet, and facilitates subsequent soldering.

[0041] like Figure 6 As shown, a sliding groove is provided on the rotating plate 53, and a connecting block is engaged inside the sliding groove. Both ends of the pressing roller 56 are provided with connecting seats 55. A movable conveying rod is provided at the top of the connecting seat 55, and one end of the conveying rod is provided at the bottom of the connecting block. During the positioning of the nickel sheet, the pressing roller 56 presses against the docking plate 31 and feeds inward, which can lock the two ends of the nickel sheet in the corresponding soldering position, reducing the possibility of displacement during subsequent soldering. When clamping is required after subsequent correction, the conveying rod moves, lifting the pressing roller 56 to the middle position of the nickel sheet, and then feeds to make the pressing roller 56 roll outward against the surface of the nickel sheet, stopping at both ends of the nickel sheet. Pressing against the top is used to strengthen the limiting effect, which can reduce the possibility of debris residue on the surface of the nickel sheet affecting subsequent soldering, and can also reduce the possibility of movement of the nickel sheet during soldering.

[0042] like Figure 6 As shown, the pressing roller 56 consists of a rotating shaft and several sleeve rings, and a compressible rubber ring is provided between the sleeve rings, which can reduce the accidental situation of the nickel sheet being pressed together due to force during the limiting process.

[0043] like Figure 2 As shown, a storage rack 4 is provided on one side of the limiting seat 3. A connecting plate 41 is provided between the inner walls of the storage rack 4. A rectangular movable pressure plate 42 is inserted on the connecting plate 41. Several pneumatic shafts are provided between the movable pressure plate 42 and the inner wall of the connecting plate 41. The storage rack 4 is used to press and store the nickel sheet. The nickel sheet can be stored at the bottom of the movable pressure plate 42 for easy handling by the operator.

[0044] Working principle: First, when it is necessary to solder the nickel sheet, the operator can take the unprocessed nickel sheet that is stuck inside the storage rack 4 and place it on the docking plate 31. Then, the position of the nickel sheet can be corrected by the pushing action of the straightening clamp 32 and the pressing rollers 56 on both sides. With the cooperation of external equipment, the negative pressure is generated at the adsorption plate 35, which can adsorb and limit the nickel sheet. At this time, the pressing rollers 56 at both ends are raised and moved to both sides of the nickel sheet, pressing against its surface and moving outward to facilitate the subsequent soldering process of the nickel sheet. During the limiting process, when the nickel sheet is placed between the straightening clamp 32, as the straightening clamp 32 feeds inward, it can fit against both sides of the nickel sheet, reducing the tilt. At this time, the pressing rollers 56 press against the docking plate 31 and feed inward, which can lock the two ends of the nickel sheet in the corresponding soldering position, reducing the displacement during the subsequent soldering process.

[0045] Then, after the correction is completed, the external equipment can be operated. The adsorption plate 35 generates negative pressure to adsorb and limit the nickel sheet. At this time, the conveyor rod moves, lifting and moving the clamping roller 56 to the middle of the nickel sheet. Then, the feed causes the clamping roller 56 to roll outward against the surface of the nickel sheet, moving to both ends of the nickel sheet and stopping. It is pressed against the top to strengthen the limiting effect, which can reduce the situation where there are debris residues on the surface of the nickel sheet that affect subsequent soldering. It can also reduce the movement of the nickel sheet during the soldering process.

[0046] Finally, after the soldering process is completed, the clamping roller 56 and the straightening clamp 32 can move outward. At this time, the negative pressure generated at the adsorption plate 35 is reduced, and the telescopic rod 511 drives the lifting plate 51. With the cooperation of the movable insert rod 54 at the bottom, the transmission frame 33 is lifted outward under the action of the reset shaft 37. At this time, the external air pressure equipment is connected to the hollow end block 34, and the airflow flows through the nickel sheet, which can play a role in rapid cooling, reduce the occurrence of accidental burns during material loading and unloading, and improve the overall processing efficiency.

[0047] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A nickel sheet soldering equipment for battery packs, characterized in that: include, The operating table (1) has a processing chamber inside, and a conveying rail (2) is installed at the top of the processing chamber. The bottom of the conveying rail (2) is provided with a transmission end block (21) for installing a soldering mechanism (22), and a fixed slide rail (11) is provided at the bottom of the processing chamber. A limit seat (3) is movably mounted on the fixed slide rail (11), and a docking plate (31) is installed on the top of the limit seat (3). Among them, a set of straightening clamps (32) is movably provided at the top of the docking plate (31). The straightening clamps (32) are used for auxiliary straightening of nickel sheets. Both ends of the docking plate (31) are equipped with clamping frames (5). The clamping frames (5) and the straightening clamps (32) form a rectangular space for positioning processing of nickel sheets. The top of the clamping frame (5) is provided with a lifting plate (51). The bottom of the lifting plate (51) is provided with a set of clamping rollers (56) for positioning nickel sheets.

2. The nickel sheet soldering equipment for battery packs according to claim 1, characterized in that: The docking plate (31) has a fixed groove at the top, and a transmission frame (33) is movably mounted inside the fixed groove. The transmission frame (33) is a rectangular frame. A pair of reset shafts (37) are provided at the bottom of the transmission frame (33). The reset shafts (37) are installed at both ends of the fixed groove. An adsorption plate (35) is installed inside the transmission frame (33). Several air inlets are provided at the top of the adsorption plate (35). A movable insertion tube is provided at the bottom of the adsorption plate (35). The docking plate (31) has a conveying groove inside that connects to an external air pressure device, and the conveying groove is connected to the movable insertion tube.

3. The nickel sheet soldering equipment for battery packs according to claim 1, characterized in that: The top of the transmission frame (33) is provided with several hinge shafts (36), which are rotatably arranged in pairs at the top of the transmission frame (33). The top of the hinge shaft (36) is provided with a limiting groove, and the connecting pipe (38) is movablely locked inside the limiting groove.

4. The nickel sheet soldering equipment for battery packs according to claim 1, characterized in that: The corrective splint (32) is inclined on one side. A fixing slot is provided on the inclined surface of the corrective splint (32), and a hollow end block (34) is engaged inside the fixing slot. An elastic pressure plate (342) is installed on the top of the hollow end block (34). The extended end of the elastic pressure plate (342) is arc-shaped. The arc-shaped end of the elastic pressure plate (342) is used to press against both sides of the nickel sheet to assist in pressing. The hollow end block (34) has multiple exhaust holes on one side near the arc-shaped extension end, and a mesh screen plate (341) is provided inside the exhaust holes. The top of the hollow end block (34) has an air inlet for connecting with an external air pressure device.

5. The nickel sheet soldering equipment for battery packs according to claim 1, characterized in that: The top of the clamping frame (5) is provided with a pair of telescopic rods (511), the lifting plate (51) is provided on the top of the telescopic rod plate (511), the lifting plate (51) is provided with a transmission groove, and the transmission groove is provided with a movable shaft (52). The movable shaft (52) is equipped with a set of motor-driven transmission wheels to drive the movable shaft (52) to move inside the transmission groove. The bottom of the movable shaft (52) is equipped with a set of rotating plates (53). One end of the rotating plate (53) is equipped with a movable insert rod (54) which is used to abut against the inside of the connecting pipe (38).

6. The nickel sheet soldering equipment for battery packs according to claim 5, characterized in that: The rotating plate (53) has a sliding groove, and a connecting block is engaged inside the sliding groove. Both ends of the pressing roller (56) are provided with connecting seats (55). The top of the connecting seat (55) is provided with a movable conveying rod, and one end of the conveying rod is located at the bottom of the connecting block.

7. The nickel sheet soldering equipment for battery packs according to claim 1, characterized in that: The pressing roller (56) consists of a rotating shaft and several sleeve rings, and a compressible rubber ring is provided between the sleeve rings.

8. The nickel sheet soldering equipment for battery packs according to claim 1, characterized in that: A storage rack (4) is provided on one side of the limiting seat (3). A connecting plate (41) is provided between the inner walls of the storage rack (4). A rectangular movable pressure plate (42) is inserted on the connecting plate (41). Several pneumatic shafts are provided between the movable pressure plate (42) and the inner wall of the connecting plate (41). The storage rack (4) is used to press and store nickel sheets.

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