CN100492730C

CN100492730C - Reinforced copper pull mesh for ship accumulator and its production method

Info

Publication number: CN100492730C
Application number: CNB2007100704457A
Authority: CN
Inventors: 王士钦
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-01
Filing date: 2007-08-01
Publication date: 2009-05-27
Anticipated expiration: 2027-08-01
Also published as: CN101123307A

Abstract

The invention relates to an enhanced expanded grid of copper for marine battery. The grid surface is equipped with ribs (2) which are in net arrangement and forms a plurality of lozenge mesh holes (1), the ribs (2) in four edges of each lozenge mesh hole (1) is right angled flanging structure, two sides of the grid is curling (3), and the middle part of the grid is equipped with a reinforced rib (4) equipped with a V-shaped cross section parallel to the curling at two sides. The expanded grid of copper is made from machining of the copper plate, flanging and rib-pressing, expanding to the diamond-shaped hole net and tipping of ends. The polar plate of the expand grid of copper for the lead-acid batteries has the advantages of high overall mechanical strength, large adhesion of lead paste and saving copper material. The invention ideally solves the problems of low adhesion of lead paste which is recognized by people and expected to be solved, for the lead-acid batteries of high capacity and high power output required by ship industry, the invention is a key technical contribution.

Description

Lead acid accumulator reinforced copper pull mesh peculiar to vessel and production method thereof

Technical field

The present invention relates to a kind of copper pull mesh of using as polar plate of lead acid storage battery, copper pull mesh that intensity especially peculiar to vessel is high and production method thereof.

Background technology

Polar plate of lead acid storage battery proceeds to hauling type production by traditional gravity around casting, is a great technological innovation, therefore, the application of multinomial hauling type pole plate has been arranged patent, but when this innovation brings remarkable result, still exist lead plaster is adhered to hypodynamic drawback, need tackling key problem to overcome." the high energy storage battery pole plate " of CN2819487Y discloses and has been provided with radial burr on the rib that intersects vertically in length and breadth equably, and to increase the adhesive force of full-filling lead plaster, the thickness of its grid is up to 20mm." the multiangle wedge shape hauling type pole plate " of CN2638253Y, disclosing the rib of forming diamond-shaped meshes is 130 ° of-160 ° of bent limit ribs, is beneficial to the adhesive force that improves lead plaster, slab lattice thickness top 1.1mm, bottom 0.9mm.The rib that intersects vertically in length and breadth of last patent is by the terne metal material, and is bigger than the resistance value of copper, poorly conductive, and also this terne metal grid is often because of the electrolyte dip etching, and internal resistance raises, and capacity descends, the life-span is short.Radial burr brings operational inconvenience for the full-filling lead plaster, and pole plate and lead plaster body thickness are big, with the electrolyte contact area than little, influence the ability that chemical energy converts electric energy to.The patent in back only increases the adhesive force of lead plaster with the diamond-shaped meshes rib on bent limit, reinforcement is little, because slab lattice thickness is 0.9-1.1mm only, and mechanical strength is little, can only bear fine adhesive force recruitment, the improvement degree is not high again.

Summary of the invention

At the above-mentioned deficiency of prior art, the objective of the invention is to design a kind of is reinforced copper pull mesh for ship accumulator and the production method thereof that adhesive force material, lead plaster is big, mechanical strength is high with slim copper coin.

Purpose of the present invention is realized by following measure: this lead acid accumulator reinforced copper pull mesh peculiar to vessel, on the plate face of this net by the netted rib of forming a plurality of diamond holes, the rectangular flanging structure of the rib on each four limit of diamond hole, copper pull mesh plate face both sides are crimping, the reinforcement that copper pull mesh plate face has the cross section parallel with the both sides crimping to be in the shape of the letter V between two parties.

There is the bound edge perpendicular to crimping and reinforcement the end of copper pull mesh plate face.

Curling thickness 2.4 ± 0.1mm, other position of copper pull mesh plate face thickness 2.2 ± 0.1mm, the wide 4 ± 1mm of reinforcement.

This lead acid accumulator reinforced copper pull mesh production method peculiar to vessel needs through following steps:

(1) processing of raw material copper coin: selecting red copper is raw material, and the width of making the thin type copper coin should be considered to roll and comes surely under the situation of increment by the storage battery width, and thickness is 2.0 ± 0.1mm, becomes a tube scroll;

(2) crimping beading: the outer end edges of tube scroll sheet copper is sent into crimping beading machine charging aperture, earlier after nip rolls wheel, flanging running roller, crimping running roller flatten, behind the flanging, crimping, require to cut longly according to battery size, become the square smooth sheet copper that there is tight crimping (3) on both sides;

(3) expand into the rhombus hole pattern: the square smooth sheet copper that preceding working procedure is made is sent on the reciprocating type diamond hole expansion web machine, by pull and stretch shearing die cutter be die-cut into blanking not, (1) four limit of diamond hole becomes the rib (2) of right angle flanging structure, wide 4 ± 1mm vertically placed in the middle is no diamond hole (a 1) zonation, this band is pressed into the reinforcement (4) that cross section is in the shape of the letter V, becoming both sides has tight crimping, and the copper pull mesh of V word reinforcement is arranged between two parties.

Carry out the end bound edge at last as required: use identical copper material bound edge with copper pull mesh, wrap one or both ends as required, bound edge length is consistent with the copper pull mesh width, thick 2.6 ± 0.1mm, and wide 10 ± 1mm, welding is fixing, and wherein the bound edge of an end combines with suspension member.

The right angle flanging structure that the invention has the beneficial effects as follows diamond hole four limits of the copper pull mesh of producing with this method has increased the adhesive force of plate in the face of lead plaster greatly, crimping, reinforcement, bound edge have strengthened the mechanical strength of plate face integral body, guaranteed that bigger lead plaster adheres to the holding capacity of increment, be desirably and overcome the low drawback of copper pull mesh pole plate lead plaster adhesive force, the structure guarantee is provided.This improvement more increases the capacity and the discharge capability of storage battery, and the operation that clears the land peculiar to vessel had its significance especially.

Description of drawings

Accompanying drawing is a type structural representation of the present invention.

Embodiment

The present invention is described in further detail below in conjunction with embodiment and with reference to accompanying drawing: this reinforced copper pull mesh for ship accumulator production method needs through following steps:

(1) processing of raw material copper coin: selecting red copper is raw material, and the width of making the thin type copper coin should be considered to roll and comes surely under the situation of increment by the storage battery width, and thickness is 2.0 ± 0.1mm, becomes a tube scroll.

(2) crimping beading: the outer end edges of tube scroll sheet copper is sent into crimping beading machine charging aperture, earlier after nip rolls wheel, flanging running roller, crimping running roller flatten, behind the flanging, crimping, require to cut longly according to battery size, become the square smooth sheet copper that there is tight crimping (3) on both sides.

(3) expand into the rhombus hole pattern: the square smooth sheet copper that preceding working procedure is made is sent on the reciprocating type diamond hole expansion web machine, by pull and stretch shearing die cutter be die-cut into blanking not, (1) four limit of diamond hole becomes the rib (2) of right angle flanging structure, wide 4 ± 1mm vertically placed in the middle is no diamond hole (a 1) zonation, this band is pressed into the reinforcement (4) that cross section is in the shape of the letter V, becoming both sides has tight crimping, and the copper pull mesh of V font reinforcement is arranged between two parties.

Can carry out the end bound edge as required at last: with identical copper material bound edge, wrap one or both ends as required, bound edge length is consistent with the copper pull mesh width, thick 2.6 ± 0.1mm, and wide 10 ± 1mm, welding is fixing.Wherein the bound edge of an end can combine with suspension member.

The length and width size of copper pull mesh should be fixed according to the dimensional requirement of accumulator plate, but the thickness of crimping 3 should be grasped in 2.4 ± 0.1mm scope, other position of copper pull mesh plate face is network position thickness 2.2 ± 0.1mm, reinforcement 4 wide 4 ± 1mm, thin partially help improving volume energy than, mass-energy than and save copper material.The cross section of reinforcement 4 is in the shape of the letter V, and the quantity of distribution diamond hole 1 and density are subjected to the mechanical strength of copper coin material thickness, area, rib 2, the restriction of lead plaster adhesion amount on the plate face, take into account above-mentioned factors, diamond hole 1 long 11 ± 1mm, wide 5 ± 1mm.The problem of pole plate two ends bound edge can be selected as required, but not bound edge, can an end bound edge two ends bound edge, wherein the bound edge of an end can combine with suspension member.The length of bound edge is consistent with the copper pull mesh width, the wide 10 ± 1mm of bound edge, thick 2.6 ± 0.1mm.Most critical is the right angle flanging structure that the die-cut back of diamond hole 1 four edges forms, and blanking is not a flanging when die-cut expansion diamond hole 1, has not only increased the mechanical strength of rib 2 but also has improved adhesive force to lead plaster greatly.As seen from the flanging of each diamond hole 1 four edges, the crimping 3 of plate face dual-side, middle reinforcement 4, the bound edge at two ends, from the macroscopic view to the microcosmic, carried out omnibearing whole the reinforcement, guarantee the increase of lead plaster adhesive force and the dual raising of whole ability to bear, solved the insider ideally and expected the copper pull mesh lead plaster adhesive force little key problem that solves.

Claims

1, a kind of lead acid accumulator reinforced copper pull mesh peculiar to vessel, on the plate face of this net by the netted rib of forming a plurality of diamond holes (1) (2), the rectangular flanging structure of rib (2) that it is characterized in that each (1) four limit of diamond hole, copper pull mesh plate face both sides are crimping (3), the reinforcement (4) that copper pull mesh plate face has the cross section parallel with both sides crimping (3) to be in the shape of the letter V between two parties.

2, lead acid accumulator reinforced copper pull mesh peculiar to vessel as claimed in claim 1, there is the bound edge perpendicular to crimping (3) and reinforcement (4) end that it is characterized in that copper pull mesh plate face.

3, lead acid accumulator reinforced copper pull mesh peculiar to vessel as claimed in claim 1 is characterized in that crimping (3) thickness 2.4 ± 0.1mm, other position of copper pull mesh plate face thickness 2.2 ± 0.1mm, the wide 4 ± 1mm of reinforcement (4).

4, lead acid accumulator reinforced copper pull mesh production method peculiar to vessel as claimed in claim 1 needing is characterized in that through following steps:

(3) expand into the rhombus hole pattern: the square smooth sheet copper that preceding working procedure is made is sent on the reciprocating type diamond hole expansion web machine, by pull and stretch shearing die cutter be die-cut into blanking not, (1) four limit of diamond hole becomes the rib (2) of right angle flanging structure, wide 4 ± 1mm vertically placed in the middle is no diamond hole (a 1) zonation, and this band is pressed into the reinforcement (4) that cross section is in the shape of the letter V.

5, lead acid accumulator reinforced copper pull mesh production method peculiar to vessel as claimed in claim 4, it is characterized in that carrying out as required at last the end bound edge: use identical copper material bound edge with copper pull mesh, wrap one or both ends as required, bound edge length is consistent with the copper pull mesh width, thick 2.6 ± 0.1mm, wide 10 ± 1mm, welding is fixing, and wherein the bound edge of an end combines with suspension member.