CN203031189U

CN203031189U - Clamp for welding cathode lug in battery

Info

Publication number: CN203031189U
Application number: CN2013200092127U
Authority: CN
Inventors: 于洪
Original assignee: SHENZHEN DINGLIYUAN TECHNOLOGY Co Ltd
Current assignee: SHENZHEN DINGLIYUAN TECHNOLOGY Co Ltd
Priority date: 2013-01-04
Filing date: 2013-01-04
Publication date: 2013-07-03
Anticipated expiration: 2023-01-04

Abstract

The utility model discloses a clamp for welding a cathode lug in a battery. The clamp is composed of a clamp fixing baseboard, a cover board placing area, an adjusting nut, a fixed clamp, a welding spot and a cover plate. The clamp can perform positioning and clamping accurately and reliably, can reduce or even eliminate discharging and line marking work, reduces dimension deviation of products, and improves the accuracy and replaceability of parts; effectively prevents and reduces welding deformation; places workpieces at the optimum welding position, is good in welding seam compactibility, obviously reduces the technique shortcomings and greatly improves the welding speed; replaces heavy work of positioning, clamping and workpiece overturning in manual part assembling with a mechanical device, and improves working conditions of workers; can expand the using range of the advanced technical method, and promotes comprehensive development of production mechanization and automation of a welding structure; and additionally, is simple in structure and convenient to operate, well fixes a battery cover plate and has good using value.

Description

A kind of anchor clamps of inside battery welding negative electrode lug

Technical field

The utility model belongs to the manufacturing process field of aluminum hull lithium battery, relates in particular to a kind of anchor clamps of inside battery welding negative electrode lug.

Background technology

The aluminum hull lithium ion battery is because lighter weight and security are better than the box hat lithium ion battery slightly, become at present the main force of battery of mobile phone, because aluminum hull die sinking cost is higher, therefore model is fewer, and the order minimum quantity of an order is had relatively high expectations, main model concentrates on some common battery of mobile phone models, and its main material comprises: positive electrode (cobalt acid lithium, LiMn2O4, LiFePO4, nickle cobalt lithium manganate, lithium nickel cobalt dioxide etc. and composition thereof); Negative material (Delanium, modified natural graphite etc.); Diaphragm material (polyethylene film, polypropylene film or both composite membranes); Electrolyte (solution that EC, PC, DEC, DMC, EMC equal solvent and lithium hexafluoro phosphate are made into); Anode and cathode terminals (positive and negative lug); Shell (aluminum hull, aluminum plastic film), in view of its complicated meticulous internal structure, the requirement of its manufacture craft is also very strict, and different manufacture craft levels will directly influence the product quality of aluminum hull lithium battery; In welding process, welding moment plumb joint contacts with capillary, plumb joint, capillary, box hat, fixedly bottom die forms a path, there is electric current to pass through, capillary and negative electrode lug, bigger owing to contact resistance between the box hat contact point, producing a large amount of heat fuses together negative electrode lug and box hat contact point, welding energy is divided two ripples, first wave energy generally is used for eliminating the impurity between contact-making surface, and second wave energy is used for welding, has after first ripple and second wave energy all act on, welding is just calculated and is finished fully, since the welding improper, occur easily following problem as: the anode ear not prison welding rosin joint occurs and connects; Negative electrode lug welding or riveted joint are not firm, rosin joint occurs, sealing-off; It is not tight to reel, and the volume core is lax; Anode ear and housing not prison welding are solid; Negative lug and pole not prison welding, this type of problem will directly influence the service life of lithium battery, and therefore, the lifting of welding procedure has great significance to realizing meticulous aluminum-shell battery manufacturing process; The welding tooling anchor clamps are exactly that weldment is accurately located and reliable grip, being convenient to weldment assembles and welds, guarantee the technological equipment that weldment structure precision aspect requires, the frock clamp that positive popularization and use and product structure adapt in the modern times, welding was produced, to improving the quality of products, alleviate working strength of workers, accelerate welding and produce realization mechanization, aspects such as automated process play important effect, in the welding production process, it is less to weld needed man-hour, and the time more than 2/3 that accounts for whole machining periods is be used to getting the raw materials ready, assembling and other auxiliary work, affect the speed of production of welding greatly, for this reason, must vigorously promote the use skill equipment in the higher erection welding of mechanization and automaticity

The utility model content

The purpose of this utility model is to utilize a kind of anchor clamps of inside battery welding negative electrode lug, is intended to solve that existing equipment exists that the reliability that clamps is low, the problem of the very flexible of welding operation and the loading and unloading that are not easy to weld.

The purpose of this utility model is to provide a kind of anchor clamps of inside battery welding negative electrode lug, and the anchor clamps of described inside battery welding negative electrode lug comprise: anchor clamps fixed base plate, cover plate rest area, adjustable nut, stationary fixture, cover plate; Described anchor clamps fixed base plate is arranged on the anchor clamps bottommost of described inside battery welding negative electrode lug, play and support and fixing effect, described cover plate rest area is positioned on the described anchor clamps fixed base plate, described cover plate the right and left is provided with described adjustable nut, described cover plate is placed on described cover plate rest area, and described solder joint is arranged on described inside battery.

Further, described anchor clamps fixed base plate, adjustable nut and stationary fixture realize that fix at 4 of battery cover board.

The utlity model has following advantage:

The anchor clamps of the inside battery welding negative electrode lug that the utility model provides by stationary fixture and adjustable nut self-contained battery cover plate, are realized welding accurately; The utility model accurately, locate reliably and clamp, can alleviate even cancel blanking and line work, reduce the dimensional discrepancy of goods, improved part precision and commutativity; Effectively prevent and alleviated welding deformation; Make workpiece be in best welding portion, the good forming ability of weld seam, defective workmanship obviously reduces, and speed of welding is improved; Hard works such as location, clamping and workpiece upset when having replaced manual device part position with mechanical device have improved workman's working condition; Can enlarge the scope of using of advanced process, promote the comprehensive development of welded production mechanization and automation; Can accurately adjust location capillary and bond pad locations by the utility model, realize different gauge size cover plate fast dispatch and welding, the degree of accuracy of this kind anchor clamps location is more than 90%, qualification rate is more than 99%, it is simple in structure, light to have enough strength and stiffness, structure is simple as far as possible compact under proof strength and rigidity prerequisite, and volume is little, quality is light and be convenient to work-handling; In addition, the utility model is simple in structure, and is easy to operate, and well the self-contained battery cover plate has good use value.

Description of drawings

Fig. 1 is the structural representation of the anchor clamps of the inside battery welding negative electrode lug that provides of the utility model embodiment;

Fig. 2 is the result of use figure of the anchor clamps of the inside battery welding negative electrode lug that provides of the utility model embodiment.

Among the figure: 1, anchor clamps fixed base plate; 2, cover plate rest area; 3, adjustable nut; 4, stationary fixture; 5, solder joint; 6, cover plate.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

The utility model embodiment provides a kind of anchor clamps of inside battery welding negative electrode lug, and the anchor clamps of this inside battery welding negative electrode lug comprise: anchor clamps fixed base plate, cover plate rest area, adjustable nut, stationary fixture, solder joint, cover plate; The anchor clamps fixed base plate is arranged on the anchor clamps bottommost of inside battery welding negative electrode lug, play and support and fixing effect, the cover plate rest area is positioned on the anchor clamps fixed base plate, and cover plate the right and left is provided with adjustable nut, cover plate is placed on the cover plate rest area, and solder joint is arranged on inside battery.

As the prioritization scheme of the utility model embodiment, anchor clamps fixed base plate, adjustable nut and stationary fixture realize that 4 of battery cover board are fixing.

Following with reference to accompanying drawing, the anchor clamps that the utility model embodiment inside battery welded negative electrode lug describe in further detail.

As shown in Figure 1, the anchor clamps of the inside battery of the utility model embodiment welding negative electrode lug mainly are made up of anchor clamps fixed base plate 1, cover plate rest area 2, adjustable nut 3, stationary fixture 4, solder joint 5, cover plate 6; Anchor clamps fixed base plate 1 of the present utility model, be rectangle, be positioned at the bottommost of device, play and support and fixing effect, cover plate rest area 2, be positioned on the base anchor clamps fixed base plate 1, be elongated rectangle, it is a pair of that the right and left is provided with adjustable nut 3, and the bottom is provided with stationary fixture 4, is used to reach the fixedly purpose of aluminum-shell battery cover plate, adjustable nut 3, be positioned at the left and right sides of cover plate rest area 2, the purpose with the battery cover board that reaches fixing different big ting models, stationary fixture 4 are used in rotation, cover plate rest area 2 and anchor clamps fixed base plate 1 between, be used for preliminary self-contained battery cover plate, cooperate adjustable nut 3, realize that 4 to the different model battery cover board are fixing.

As shown in Figure 2, the anchor clamps use principle schematic diagram of the welding negative electrode lug of the utility model embodiment, in the use, with the battery cover board 6 of respective model as for cover

plate rest area

2,5 one of solder joints upwards are convenient to welding, use the stationary fixture 4 of bottom that battery cover board 6 is tentatively fixing, 3 realizations of rotation adjustable nut are further firm to cover plate 6, thereby realize stablizing accurate welding procedure.

The use principle of this dress utility model comprises four part mechanism: anchor clamps fixed base plate 1, cover plate rest area 2, adjustable nut 3, stationary fixture 4.Anchor clamps fixed base plate 1 is rectangle, and is positioned at the bottommost of device, plays and supports and fixing effect; Cover plate rest area 2 is positioned on the base anchor clamps fixed base plate 1, is elongated rectangle, and it is a pair of that the right and left is provided with adjustable nut 3, and the bottom is provided with stationary fixture 4, is used to reach the fixedly purpose of aluminum-shell battery cover plate; Adjustable nut 3 is positioned at the left and right sides of cover plate rest area 2, and the purposes with the battery cover board that reaches fixing different big ting models are used in rotation; Stationary fixture 4, cover plate rest area 2 and anchor clamps fixed base plate 1 between, be used for preliminary self-contained battery cover plate, cooperate adjustable nut 3, realize that 4 to the different model battery cover board are fixing; In the use, the battery cover board of respective model as for cover plate rest area 2, upwards is convenient to welding with one of solder joint, uses the stationary fixture 4 of bottom that battery cover board is tentatively fixing, 3 realizations of rotation adjustable nut are further firm to cover plate, thereby realize stablizing accurate welding procedure; Fig. 2 is the anchor clamps use principle schematic diagram of welding negative electrode lug.

The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. the anchor clamps of an inside battery welding negative electrode lug is characterized in that, the anchor clamps of described inside battery welding negative electrode lug comprise: anchor clamps fixed base plate, cover plate rest area, adjustable nut, stationary fixture, cover plate;

Described anchor clamps fixed base plate is arranged on the anchor clamps bottommost of described inside battery welding negative electrode lug, play and support and fixing effect, described cover plate rest area is positioned on the described anchor clamps fixed base plate, described cover plate the right and left is provided with described adjustable nut, described cover plate is placed on described cover plate rest area, and described solder joint is arranged on described inside battery.

2. inside battery as claimed in claim 1 welds the anchor clamps of negative electrode lug, and tool is characterised in that described anchor clamps fixed base plate, adjustable nut and stationary fixture realize that 4 of battery cover board are fixing.