CN217306612U - Butt welding piece clamping device for battery wall-penetrating welding processing - Google Patents

Abstract

The utility model provides a battery wears wall and welds processing with butt welding spare clamping device, including battery body, baffle, busbar and fixture, be provided with a plurality of baffles on the battery body perpendicularly in turn, partition battery body inner space such as baffle, the inside busbar that is located the baffle both sides and is equipped with the connection utmost point crowd of battery body, the fixture centre gripping is injectd busbar both sides busbar position, fixture adds holds the end and is equipped with the solder joint, the solder joint longitudinal section is semi-circular structure. Compared with the prior art, the wall welding spot structure is optimized from the traditional ellipse shape into the semicircle shape, the contact surface between the welding spot and the butt welding piece is reduced, the contact surface of the hole on the butt welding piece is reduced, the welding quality is higher, the generation of strip-shaped gas lines at the bottom of the butt welding piece during wall penetration welding is reduced, and the risk of gas leakage is reduced; the optimized through-wall welding effectively improves the defects of the prior through-wall welding and meets the quality requirements of the through-wall welding.

Description

Butt welding piece clamping device for battery wall-penetrating welding processing

Technical Field

The utility model relates to a battery technology field especially relates to battery is worn wall welding processing and is used butt welding spare clamping device.

Background

With the progress of the times and the rapid development of the new energy field, safety accidents such as fire, explosion and the like continuously occur in the lithium battery at the present stage, and people urgently need a safe storage battery. The lead-acid storage battery has the characteristics of stable quality, low price, safe use, recyclability and the like, and is widely applied to various fields of power grid energy storage, transportation, automobile starting, telecommunication base stations and the like.

However, when a plurality of traditional lead-acid storage battery manufacturers produce batteries at the present stage, the single-cell connection mode of the batteries adopts a bridge-crossing welding mode, the defects of the connection mode are that the lead consumption is high, the internal resistance is high, the manual production efficiency is low, the temperature rise of welding points exceeds the standard when the batteries are discharged at high power, safety accidents can be caused, and the bridge-crossing welding needs to be changed into a wall-crossing welding structure to solve the problem.

The through-wall welding has the advantages that the single cells are connected through the through-wall welding, compared with the cross-bridge welding, the resistance is small, the welding quality is reliable, the large-current discharge performance of the battery is ensured, and the corrosion resistance of the connection position is improved; the working principle of the welding machine is that by utilizing resistance welding, huge current passes through a welding head and an electrode column bus bar in a short time, so that alloy surfaces at the contact points of the electrode column bus bar and the welding head are melted and are welded together.

However, in the conventional through-wall welding method, as shown in fig. 7-9, the welding spot on the electrode is oval, the contact surface between the welding spot and the butt welding part is large, when a large current passes through the butt welding part, burrs generated at the position of the partition plate at the hole site are large, and the gas leakage hidden trouble exists during operation, which affects the service life of the battery.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide battery and wear wall welding processing and use butt welding spare clamping device.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

battery wears wall and welds processing with butt welding spare clamping device, including battery body, baffle, busbar and fixture, be provided with a plurality of baffles on the battery body perpendicularly in turn, partition battery body inner space such as baffle, the inside baffle both sides that are located of battery body are equipped with the busbar of connecting utmost point crowd, the fixture centre gripping is injectd busbar both sides busbar position, fixture adds holds the end and is equipped with the solder joint, the solder joint longitudinal section is semi-circular structure.

Preferably, the fixture includes supporting rod and solder joint connector, the supporting rod is the right angle type structure, the supporting rod lateral wall is close to bottom position department and is fixed with the solder joint connector, the solder joint connector is connected the solder joint.

Preferably, the busbar consists of a butt welding piece and a plane lead plate, the butt welding piece is vertically fixed on the plane lead plate, and the butt welding piece and the partition plate are arranged in parallel and attached to each other.

Preferably, a through hole for wall-penetrating welding is formed in the partition plate, the through hole is of a circular structure, and the welding point and the through hole are located on the same straight line.

The utility model has the advantages that: the wall welding spot structure is optimized from the traditional ellipse to the semicircle, so that the contact surface between the welding spot and the butt welding part is reduced, the contact surface of a hole on the butt welding part is reduced, the welding quality is higher, the generation of strip-shaped gas lines at the bottom of the butt welding part during wall penetration welding is reduced, and the risk of gas leakage is reduced; the optimized through-wall welding effectively improves the defects of the prior through-wall welding and meets the quality requirements of the through-wall welding.

Drawings

FIG. 1 is a schematic structural view of a butt welding part clamping device for battery through-wall welding processing of the present invention;

FIG. 2 is a schematic structural view of the clamping mechanism of the present invention;

FIG. 3 is a schematic structural view of the partition plate of the present invention;

FIG. 4 is a schematic structural view of the bus bar of the present invention;

FIG. 5 is a front view of the welding spot of the present invention;

FIG. 6 is a side view of the solder joint of the present invention;

FIG. 7 is a schematic view of the overall structure of a conventional solder joint of the present invention;

FIG. 8 is a front view of a conventional solder joint of the present invention;

fig. 9 is a side view of a conventional solder joint of the present invention.

The reference numbers in the figures: 10. the battery comprises a battery body, 20, a partition plate, 21, a through hole, 30, a bus bar, 31, a butt welding piece, 32, a plane lead plate, 40, a clamping mechanism, 41, a clamping rod, 42, a welding point connector, 43 and a welding point.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1-2, the butt-welding part clamping device for battery through-wall welding processing in this embodiment includes a battery body 10, partition boards 20, busbars 30 and a clamping mechanism 40, the battery body 10 is vertically and alternately provided with a plurality of partition boards 20, the partition boards 20 equally divide the internal space of the battery body 10, busbars 30 connected with pole groups are arranged at two sides of the partition boards 20 inside the battery body 10, the clamping mechanism 40 clamps and limits positions of the busbars 30 at two sides of the busbars 30, a welding spot 43 is arranged at a clamping end of the clamping mechanism 40, and a longitudinal section of the welding spot 43 is in a semicircular structure.

The bus bar 30 is clamped and limited by the clamping mechanism 40, so that the position between the bus bar 30 and the partition plate 20 is more stable; clamping mechanism 40 adds holds the end and is equipped with solder joint 43, solder joint 43 longitudinal section is semi-circular structure, reduces solder joint 42 and the contact surface to weldment 31, reduces through hole 21 and is located the contact surface to weldment 31, and welded quality is higher, reduces the production to the bar gas line in weldment 31 bottom when wearing the wall welding, has reduced the risk of mixing gas, and the result of use is better.

As shown in fig. 2, the clamping mechanism 40 includes a clamping rod 41 and a welding spot connector 42, the clamping rod 41 is of a right-angle structure, the welding spot connector 42 is fixed on a position of a side wall of the clamping rod 41 near the bottom, and the welding spot connector 42 is connected to the welding spot 43.

The butt welding piece 31 and the plane lead plate 32 are welded to form a complete bus bar.

As shown in fig. 4, the bus bar 30 is composed of a butt-welding piece 31 and a plane lead plate 32, the butt-welding piece 31 is vertically fixed on the plane lead plate 32, and the butt-welding piece 31 and the partition plate 20 are arranged in parallel and attached to the partition plate 20.

As shown in fig. 3, a through hole 21 for wall-through welding is formed in the partition plate 20, the through hole 21 is of a circular structure, and the welding spot 43 and the through hole 21 are in the same straight line, so that when a large current is applied to the welding spot 43 to the welding part 31, the current can pass through the through hole more smoothly, and the blocking phenomenon cannot occur.

When the welding energy-saving welding device is used, corresponding operation is selected according to the type of the battery, the motor of the hydraulic station is started, the welding energy is closed, manual operation is selected to adjust the position of the positioning stop pin, position and clamp the battery shell, the clamping degree of the butt welding piece 31 is adjusted, the battery is kept to clamp the butt welding piece 31 and then does not fall off, the welding energy is started, corresponding welding energy is selected according to the size of a welding spot of the battery for welding, and then wall penetrating welding operation can be carried out on the busbar 30 of the battery

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (4)

1. Battery is worn wall welding processing and is used butt welding spare clamping device, its characterized in that: including battery body (10), baffle (20), busbar (30) and fixture (40), be provided with a plurality of baffles (20) on battery body (10) perpendicularly in turn, battery body (10) inner space is equallyd divide in baffle (20), battery body (10) inside is located baffle (20) both sides and is equipped with busbar (30) of connecting the utmost point crowd, fixture (40) centre gripping is injectd busbar (30) both sides busbar (30) position, fixture (40) are held the end and are equipped with solder joint (43) with, solder joint (43) longitudinal section is semicircular structure.

2. The butt-welding part clamping device for battery through-wall welding processing according to claim 1, characterized in that: fixture (40) include supporting rod (41) and solder joint connector (42), supporting rod (41) are the right angle type structure, supporting rod (41) lateral wall is close to bottom position department and is fixed with solder joint connector (42), solder joint connector (42) are connected solder joint (43).

3. The butt-welding part clamping device for battery through-wall welding processing according to claim 2, characterized in that: the bus bar (30) comprises butt welding pieces (31) and a plane lead plate (32), the butt welding pieces (31) are vertically fixed on the plane lead plate (32), and the butt welding pieces (31) and the partition plate (20) are arranged in parallel and attached to the partition plate (20).

4. The butt-welding part clamping device for battery through-wall welding processing according to claim 3, characterized in that: the partition plate (20) is provided with a through hole (21) for wall-penetrating welding, the through hole (21) is of a circular structure, and the welding spot (43) and the through hole (21) are positioned on the same straight line.

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