CN219610502U - Nickel sheet welding device at bottom of square battery - Google Patents

Abstract

The utility model discloses a square battery bottom nickel piece welding device which comprises a carrier, a hovering material support, an alignment cover plate, a battery accommodating space, an opening, a nickel piece jig, a yielding groove, a welding spot positioning arm and a laser spot welding machine, wherein the hovering material support which floats up and down is arranged in the carrier, the alignment cover plate is arranged at the top of the carrier, the alignment cover plate and the hovering material support surround the carrier into one or more battery accommodating spaces, and the alignment cover plate is provided with the opening and is inlaid with the nickel piece jig which is communicated with the battery accommodating spaces up and down. Through the mode, the nickel plate welding device at the bottom of the square battery is provided, the hovering material support is constructed for the square battery on the carrier, so that the stability of a battery cell is enhanced in the welding process, the floating platform is additionally arranged for the welding spot positioning arm, and the control groove is used for realizing the precise control of the stepless expansion quantity, so that the distribution accuracy of welding spots is improved.

Description

Nickel sheet welding device at bottom of square battery

Technical Field

The utility model relates to the field of battery nickel piece welding equipment, in particular to a square battery bottom nickel piece welding device.

Background

The welding of the nickel plates of the battery is usually realized by manual operation, the battery is usually placed on a production line, the battery is manually taken down and placed into a jig, and then the nickel plates are manually placed at the welding position to weld. The obtained product can intuitively find that the position accuracy of the nickel sheet is low, and the welding spots have the problems of empty welding, dislocation and the like.

Disclosure of Invention

The utility model mainly solves the technical problems of providing a welding device for nickel plates at the bottom of a square battery, which constructs a hovering material support for the square battery on a carrier, thereby enhancing the stability of a battery core in the welding process, adding a floating platform for a welding spot positioning arm, and realizing precise control of the stepless expansion and contraction quantity by utilizing a control groove, so that the distribution accuracy of welding spots is improved.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a square battery bottom nickel piece welding set, including the carrier, hover the material and hold in the palm, counterpoint apron, battery accommodation space, trompil, nickel piece tool, the groove of stepping down, solder joint positioning arm, laser spot welder, be provided with the material that hovers from top to bottom in the carrier and hold in the palm, the carrier top is provided with counterpoint apron, counterpoint apron and hover the material and hold in the palm and surround out one or more battery accommodation space with the carrier, counterpoint apron is provided with the trompil and inlay the nickel piece tool that has upper and lower intercommunication battery accommodation space, the groove of stepping down has been seted up on one side of nickel piece tool, the inslot of stepping down in good time overlap joint solder joint positioning arm, the front end of solder joint positioning arm is in good time cooperateed in the trompil, the trompil matches directly over has the laser spot welder.

In a preferred embodiment of the utility model, the carrier is in a flat slot box shape formed by an outer frame body and double side plates, the double side plates semi-closed surround the outer frame body, a through hole is reserved on the outer frame body upwards, a battery feeding column with an upper opening and a lower opening is arranged at the through hole, a cross arm is hung under the battery feeding column, a plurality of separation blocks are arranged between the cross arm and the battery feeding column, the hovering material support is arranged between the adjacent separation blocks, and the cross arm is connected with the hovering material support through a guide column and a spring.

In a preferred embodiment of the present utility model, two ends of the outer frame body located at two sides of the through hole are provided with turnover buckles, the alignment cover plate is matched at the through hole, and the turnover buckles are buckled at two ends of the alignment cover plate.

In a preferred embodiment of the present utility model, the carrier is disposed on a wire rail, and an outer arm pushing control wheel is disposed on a side surface of the carrier; the welding spot positioning arm is arranged on a lifting cylinder, the lifting cylinder is borne on a floating platform, a driven sliding rail which is horizontally perpendicular to the line rail is arranged at the bottom of the floating platform, a control groove is formed in the bottom of the floating platform, and the outer arm pushes the control wheel to be movably matched in the control groove.

The beneficial effects of the utility model are as follows: according to the welding device for the nickel plate at the bottom of the square battery, the hovering material support is constructed for the square battery on the carrier, so that the stability of a battery cell is enhanced in the welding process, the floating platform is additionally arranged for the welding spot positioning arm, and the control groove is utilized to realize the precise control of the stepless expansion and contraction quantity, so that the distribution accuracy of welding spots is improved.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a block diagram of a preferred embodiment of a welding apparatus for bottom nickel plates of a prismatic battery according to the present utility model;

FIG. 2 is a diagram showing a carrier structure of a welding device for nickel plates at the bottom of a square battery according to the present utility model;

FIG. 3 is a diagram of the welding spot positioning arm of the welding device for the bottom nickel plate of the square battery;

fig. 4 is a control slot structure diagram of a square battery bottom nickel plate welding device according to the present utility model.

Description of the embodiments

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, an embodiment of the present utility model includes:

the utility model provides a square battery bottom nickel piece welding set, includes carrier 1, hovers the material and holds in the palm 2, counterpoint apron 3, battery accommodation space 4, trompil 5, nickel piece tool 6, the groove 7 of stepping down, solder joint positioning arm 8, laser spot welder 9, be provided with the material that hovers in carrier 1 and hold in the palm 2, carrier 1 top is provided with counterpoint apron 3, counterpoint apron 3 with hover the material and hold in the palm 2 and surround carrier 1 out one or more battery accommodation space 4, counterpoint apron 3 is provided with trompil 5 and inlay the nickel piece tool 6 that communicates battery accommodation space 4 from top to bottom, the groove 7 of stepping down has been seted up on one side of nickel piece tool 6, the timely overlap joint positioning arm 8 of a solder joint positioning arm 8 in the groove 7 of stepping down, the front end of solder joint positioning arm 8 in the trepanning 5 in good time, the matching has laser spot welder 9 directly over the trompil 5.

The carrier 1 is in a flat slot box shape formed by an outer frame 101 and double side plates 102, the double side plates 102 semi-seal and surround the outer frame 101, a through hole 103 is reserved on the outer frame 101 upwards, a battery feeding column 104 with an upper opening and a lower opening is arranged at the position of the through hole 103, a cross arm 105 is hung under the battery feeding column 104, a plurality of separation blocks 106 are arranged between the cross arm 105 and the battery feeding column 104, the hovering material support 2 is arranged between the adjacent separation blocks 106, and the cross arm 105 is connected with the hovering material support 2 through a guide column 107 and a spring 108.

Further, two ends of the outer frame 101 at two sides of the through hole 103 are provided with turnover buckles 109, the alignment cover plate 3 is matched with the through hole 103, and the turnover buckles 109 are buckled at two ends of the alignment cover plate 3.

Further, the carrier 1 is disposed on a wire rail 110, and an outer arm pushing control wheel 111 is disposed on a side surface of the carrier 1; the welding spot positioning arm 8 is arranged on a lifting cylinder 112, the lifting cylinder 112 is borne on a floating platform 113, a driven sliding rail 114 which is horizontally perpendicular to the linear rail 110 is arranged at the bottom of the floating platform 113, a control groove 115 is formed at the bottom of the floating platform 113, and the outer arm pushing control wheel 111 is movably matched in the control groove 115.

The device is used for realizing welding of bottom electrode plates of square batteries, before welding, the batteries are placed in a battery feeding column 104, the batteries fall on a hovering material support 2, the hovering material support 2 keeps the batteries in a floating state by means of the elasticity of a spring 108, then an alignment cover plate 3 is placed on a carrier 1, and the alignment cover plate 3 is anastomosed on the carrier 1 by buckles at two sides of a through hole 103; then, putting the nickel sheet into a nickel sheet jig 6, wherein the nickel sheet jig 6 is a profiling frame of the nickel sheet, and the nickel sheet can be naturally guided; the linear module is arranged on the outer side of the linear rail 110 and is in traction connection with the carrier 1, the carrier 1 is transported to the final welding station by the linear module, when the carrier 1 is transported, the outer wall pushing control wheel 111 enters the control groove 115, the control groove 115 is a curved groove, so that the floating platform 113 can adjust the welding spot position according to the requirement, that is, when the linear module changes the position of the carrier 1, the floating platform 113 can adaptively adjust the expansion and contraction amount of the welding spot positioning arm 8, and therefore electric welding is carried out at different positions of the square battery, and the nickel sheet is firmly fixed.

In summary, the utility model provides a welding device for nickel plates at the bottom of a square battery, wherein a hovering tray 2 is constructed for the square battery on a carrier 1, so that the stability of a battery core is enhanced in the welding process, a floating platform 113 is added for a welding spot positioning arm 8, and the control groove 115 is utilized to realize the precise control of the stepless expansion and contraction amount, so that the distribution accuracy of welding spots is improved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (4)

1. The utility model provides a square battery bottom nickel piece welding set, its characterized in that includes the carrier, hovers the material and holds in the palm, counterpoint apron, battery accommodation space, trompil, nickel piece tool, the groove of stepping down, solder joint positioning arm, laser spot welder, be provided with the material that hovers from top to bottom in the carrier and hold in the palm, the carrier top is provided with counterpoint apron, counterpoint apron and hover the material and hold in the palm and surround out one or more battery accommodation space with the carrier, counterpoint apron is provided with the trompil and inlays the nickel piece tool that has upper and lower intercommunication battery accommodation space, the groove of stepping down has been seted up on one side of nickel piece tool, the inslot overlap joint solder joint positioning arm in good time of stepping down, the front end of solder joint positioning arm is in the trompil in good time, the matching has the laser spot welder directly over the trompil.

2. The welding device for the nickel plates at the bottom of the square battery according to claim 1, wherein the carrier is in a flat slot box shape formed by an outer frame body and double side plates, the outer frame body is semi-closed and surrounds the outer frame body, a through hole is reserved upwards in the outer frame body, a battery feeding column with an upper opening and a lower opening is arranged at the through hole, a cross arm is hung below the battery feeding column, a plurality of separation blocks are arranged between the cross arm and the battery feeding column, a hovering material support is arranged between adjacent separation blocks, and the cross arm is connected with the hovering material support through a guide column and a spring.

3. The welding device for the nickel plates at the bottom of the square battery according to claim 2, wherein turnover buckles are arranged at two ends of the outer frame body at two sides of the through hole, the alignment cover plate is matched with the through hole, and the turnover buckles are buckled at two ends of the alignment cover plate.

4. The welding device for the nickel plates at the bottom of the square battery according to claim 1, wherein the carrier is arranged on a linear rail, and an outer arm pushing control wheel is arranged on the side surface of the carrier; the welding spot positioning arm is arranged on a lifting cylinder, the lifting cylinder is borne on a floating platform, a driven sliding rail which is horizontally perpendicular to the line rail is arranged at the bottom of the floating platform, a control groove is formed in the bottom of the floating platform, and the outer arm pushes the control wheel to be movably matched in the control groove.