CN100468827C - Battery cylindrical shell and cylindrical anti-explosion battery and its processing method and device - Google Patents
Battery cylindrical shell and cylindrical anti-explosion battery and its processing method and device Download PDFInfo
- Publication number
- CN100468827C CN100468827C CNB2005101207804A CN200510120780A CN100468827C CN 100468827 C CN100468827 C CN 100468827C CN B2005101207804 A CNB2005101207804 A CN B2005101207804A CN 200510120780 A CN200510120780 A CN 200510120780A CN 100468827 C CN100468827 C CN 100468827C
- Authority
- CN
- China
- Prior art keywords
- slot rolling
- battery
- snap gauge
- battery case
- circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 238000004880 explosion Methods 0.000 title claims description 25
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims description 78
- 238000000034 method Methods 0.000 claims description 32
- 210000001364 upper extremity Anatomy 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000004080 punching Methods 0.000 claims description 16
- 208000010727 head pressing Diseases 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 6
- 208000004141 microcephaly Diseases 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 8
- 229910001416 lithium ion Inorganic materials 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
This invention relates to a cell cylinder shell and a cylinder explosion-proof cell, its processing method and a device, in which, the shell includes a cylindrical side and a bottom molded at one run, a circle of concave cannelure is formed on the shoulder of the side and an upward convex ring on the upper edge of it. Advantage: the molding of the shell is more reasonable, the stress of the shell and airtight packing is improved and sealing of the seal is increased.
Description
Technical field
The present invention relates to a kind of chemical power source, more particularly, the present invention relates to cylindrical battery and manufacturing technology thereof that a kind of machinery seals.
Background technology
Along with the develop rapidly of digital products such as digital camera, video camera, notebook computer, mobile DVD, have the lithium ion battery that specific capacity height, energy density are big, the life-span is long, particularly cylindrical lithium ion battery is able to extensive use.
At present, common cylindrical lithium ion battery comprises steel shell, and comprise block, Temperature protection ring, safe valve block, electric current disconnecting apparatus, air permeable plate, anode ear, Upper gasket, volume core from top to bottom successively, the shoulder of anti-explosion battery shell is formed with the slot rolling of a circle indent, scarf sealing ring between the closing in of this slot rolling upper limb and shell upper end, and the sealing circle is provided with a circle inside groove and tightly is enclosed within the periphery of block, Temperature protection ring and safe valve block.According to theory and empirical evidence: the slot rolling processing of cylindrical lithium ion battery and to seal air-tightness be unusual important quality control link, the quality of these link quality affects the application and the popularization of cylindrical lithium ion battery to a great extent.And traditional cylindrical lithium ion battery mainly shows following shortcoming on these links: surface of shell coating destroys during slot rolling, and it is bigger to seal pressure oscillation.Part battery seal pressure is arranged at 5kg/cm
2Below, thereby cause the battery leakage phenomenon.
In this regard, it is that 02258513.3 Chinese patent file discloses a kind of column lithium ion battery and seals that the patent No. is arranged, be in battery shell suitable for reading successively behind indentation sealing circle, positive plate, thermosensitive resistor film, cover plate, explosion-proof, block etc., by mechanical system to the inside crimping seal suitable for reading forming.One thermosensitive resistor film is clipped between positive plate and the cover plate and is electrical coupling, and two holes are arranged on the cover plate, and an air vent is positioned at the cover plate center, the flexible sealing block of hole loam cake, the sealing block tegmentum is inboard at block, and another liquid filling hole is opened between cover plate center and periphery, and this hole is by the steel ball shutoff.It is said that this battery seal advantage is effectively to prevent battery short circuit, heating, explosion, seepage, filling electrolyte is easy to operate, and battery sealing-performance is good, and is low to the production environment conditional request, and the battery performance of output is more reliable.But rule of thumb, the effect of this sealing tech is worth querying.
Summary of the invention
Above-mentioned shortcoming at prior art, two purposes of the present invention are divided maybe provide a kind of battery cylindrical shell and cylindrical anti-explosion battery thereof, this battery cylindrical shell and cylindrical anti-explosion battery thereof have following advantage: the moulding of housing is more reasonable, the force-bearing situation of housing and battery seal improves, and the sealing of battery seal increases and fluctuation reduces.
Two other purpose of the present invention is divided the processing method that a kind of above-mentioned battery cylindrical shell and cylindrical anti-explosion battery thereof maybe be provided.
Other again three purposes of the present invention are divided the process equipment that a kind of above-mentioned battery cylindrical shell and cylindrical anti-explosion battery thereof maybe be provided.
For this reason, one of technical solution of the present invention is a kind of battery cylindrical shell, and it comprises integrated cylindrical side and rounded bottom surface, and the shoulder in described side is formed with the slot rolling of a circle indent, and, also be formed with circle bulge loop upwards based on the slot rolling upper limb of described indent.
Another correlation technique solution of the present invention is a kind of cylindrical anti-explosion battery that adopts above-mentioned cylindrical battery shell, it comprises block topmost successively, the Temperature protection ring, safe valve block, the electric current disconnecting apparatus, air permeable plate, anode ear, Upper gasket, the volume core, anti-explosion battery also comprises shell and sealing ring, the shoulder of described shell is formed with the slot rolling of a circle indent, scarf sealing ring between the closing in of this slot rolling upper limb and shell upper end, the sealing circle is provided with a circle inside groove and tightly is enclosed within described block, the periphery of Temperature protection ring and safe valve block, and the upper limb of described slot rolling is formed with circle bulge loop upwards, contacts to strain between the last convex surface of this circle bulge loop and described sealing ring following, form flexible sealing anchor ring.
The conventional batteries shell adopts bigger slot rolling and the battery seal ring of radius of curvature to carry out face contact seal, battery anti-explosion cylindrical shell of the present utility model, on the bigger slot rolling basis of radius of curvature, increase the less bulge loop that makes progress of radius of curvature to increase contact resilient, distortion dynamics and even contact area, therefore compare with the conventional batteries shell, have the following advantages: because the slot rolling on the housing shoulder has adopted the part annular projection, above formation part annular such as the battery seal ring extruding of housing shoulder and shoulder is contacted, thereby the battery seal ring force-bearing situation is greatly taken on a new look, and the sealing load fluctuation descends, sealing property improves greatly.The slot rolling of comparing the traditional cylindrical battery seals, sealing pressure and can reach 7kg/cm behind the battery seal of the present invention
2More than, can solve the battery leakage phenomenon substantially.And the explosion-proof valve in the combination plate, PTC (Temperature protection ring) assembly of etc.ing are out of shape little, and it is littler to have a contact resistance, uses more safe and reliable.
Be the above-mentioned principal advantages of further optimization and refinement battery structure of the present invention, the architecture advances of battery of the present invention also comprises: described relatively slot rolling upper limb, and the epirelief of described bulge loop is not less than 0.2 millimeter towards the height of last projection; The epirelief of described bulge loop is the 8-12 of the described slot rolling indent degree of depth towards the height of last projection; The indent degree of depth of described slot rolling is the 7-13% of described anti-explosion battery diameter.The material of sealing ring adopts plastoelastic organic polymer.
The processing method that another correlation technique solution of the present invention is a kind of battery cylindrical shell, it comprises the steps: A) form a circle slot rolling in the shoulder roll extrusion of battery case, simultaneously, axially apply axial compression thrust at battery case; B) after slot rolling forms, utilize gib head pressing mold or axial compression mould, form circle bulge loop upwards at the slot rolling upper limb.
Principal advantages for further optimization and the above-mentioned battery case processing method of refinement the present invention, battery case process modifications of the present invention also comprises: among the described step B, described axial compression mould comprises punching press patrix, following snap gauge, the operating process of axial compression mould comprises: battery case is a tight fit in down in the snap gauge, make the described relatively distance of snap gauge upper surface down of slot rolling upper limb outer bottom be not less than 0.2 millimeter, start punching press patrix pushing battery case upper end open and touch down the snap gauge upper surface until described slot rolling upper limb outer bottom; Described gib head pressing mold probes into slot rolling, the convex body of pressing mold described battery case slot rolling upper limb rotatably mold pressing go out one the circle bulge loop.
Correspondingly, it is a kind of processing method of cylindrical anti-explosion battery as mentioned above that the present invention also has a correlation technique solution, it comprises the steps: A) form a circle slot rolling in the shoulder roll extrusion of battery case, simultaneously, axially apply axial compression thrust at battery case; B) after slot rolling forms, utilize gib head pressing mold or axial compression mould, form circle bulge loop upwards at the slot rolling upper limb; C) on slot rolling and bulge loop, add the sealing ring that is with block, Temperature protection ring and safe valve block in the dress on the convex surface, utilize the axial compression mould to exert pressure then, the battery case opening is shunk seal.
The process equipment that the another correlation technique solution of the present invention is a kind of above-mentioned battery cylindrical shell, it comprises snap gauge down, and described process equipment also comprises the punching press patrix, the lower end of this punching press patrix comprises step surface, be formed with the downward tapering die head of microcephaly below the step surface at this, the small head external diameter of this tapering die head is suitable with the internal diameter of described battery case; The perforate internal diameter of described snap gauge down is suitable with the external diameter of described battery case, described down snap gauge has the dark mechanism of accent that regulates the perforate degree of depth, and the dark mechanism of this accent can make the described relatively distance of snap gauge upper surface of descending of slot rolling upper limb outer bottom on the battery case in the described perforate be not less than 0.2 millimeter.Described snap gauge down has the path transfer mechanism that regulates the perforate internal diameter, and the described upper surface of snap gauge down is provided with the bayonet socket that probes into described slot rolling.
More specifically, described snap gauge down comprises the die body of longitudinal hole, described perforate is the epimere of this longitudinal hole, described path transfer mechanism comprises the joint-cutting that comprehensively connects to described snap gauge appearance down along the inwall of described longitudinal hole one side, and described path transfer mechanism also comprises the movable retention mechanism of regulating described joint-cutting gap.
The process equipment that the another again correlation technique solution of the present invention is another kind of above-mentioned battery cylindrical shell, it comprises mandrel, the back push rod of locating described battery case from axial two ends roof pressure, and described process equipment also comprises the gib head pressing mold, this gib head pressing mold comprises the gib head that can probe in the slot rolling, is formed with smooth convex body in the gib head end profile hook-shapedly.
It is a kind of process equipment of above-mentioned cylindrical anti-explosion battery that the present invention also has a correlation technique solution, it comprises the axial compression mould that has following snap gauge and seal patrix, and described axial compression mould also comprises the punching press patrix, the lower end of this punching press patrix comprises step surface, be formed with the downward tapering die head of microcephaly below the step surface at this, the small head external diameter of this tapering die head is suitable with the internal diameter of described battery case; The perforate internal diameter of described snap gauge down is suitable with the external diameter of described battery case, described down snap gauge has the dark mechanism of accent that regulates the perforate degree of depth, and the dark mechanism of this accent can make the described relatively distance of snap gauge upper surface of descending of slot rolling upper limb outer bottom on the battery case in the described perforate be not less than 0.2 millimeter.Described snap gauge down has the path transfer mechanism that regulates the perforate internal diameter, and the described upper surface of snap gauge down is provided with the bayonet socket that probes into described slot rolling.
Above-mentioned process equipment of the present invention can high-quality, produce the cylindrical battery of novel enclosuring structure of the present invention efficiently, can not produce the coating breakoff phenomenon of battery case surface.
In a word, a series of improvement of the present invention are implemented simple, and effect is remarkable, is convenient to promotion and implementation.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the enclosuring structure schematic diagram of traditional cylindrical battery.
Fig. 2 is the partial structurtes enlarged diagram in the delineation scope among Fig. 1.
Fig. 3 is the enclosuring structure schematic diagram of the cylindrical anti-explosion battery embodiment of the present invention.
Fig. 4 is the partial structurtes enlarged diagram in the delineation scope among Fig. 2.
Fig. 5 is for adopting the schematic diagram of process equipment embodiment 1 processing shell bulge loop of the present invention.
Fig. 6 is the partial structurtes enlarged diagram in the delineation scope among Fig. 5.
Fig. 7 is for adopting the schematic diagram of process equipment embodiment 2 processing shell bulge loops of the present invention.
Fig. 8 is the partial structurtes enlarged diagram in the delineation scope among Fig. 7.
Fig. 9 carries out the schematic diagram of sealing operation for adopting process equipment embodiment 2 of the present invention
As Fig. 1,2, be depicted as the enclosuring structure schematic diagram of traditional cylindrical battery.It comprises steel shell 9, and comprise block 1, Temperature protection ring 2, safe valve block 3, electric current disconnecting apparatus 4, air permeable plate 5, anode ear 6, Upper gasket 7, volume core 8 from top to bottom successively, the shoulder of anti-explosion battery shell 9 is formed with the slot rolling 90 of a circle indent, scarf sealing ring 10 between the closing in 91 of these slot rolling 90 upper limbs and shell 9 upper ends, and sealing circle 10 is provided with a circle inside groove 10A and tightly is enclosed within the periphery of block 1, Temperature protection ring 2 and safe valve block 3.Traditional cylindrical lithium ion battery, it is bigger to seal pressure oscillation: wherein part battery seal pressure is at 5kg/cm
2Below, cause the battery leakage phenomenon easily.
Embodiment
Battery and shell embodiment thereof:
As Fig. 3,4, be depicted as the schematic diagram of cylindrical anti-explosion battery of the present invention and shell embodiment thereof.Cylindrical anti-explosion battery comprises block 1 topmost successively, Temperature protection ring 2, safe valve block 3, electric current disconnecting apparatus 4, air permeable plate 5, anode ear 6, Upper gasket 7, volume core 8, anti-explosion battery also comprises shell 9 and sealing ring 10, the shoulder of described shell 9 is formed with the slot rolling 90 of a circle indent, scarf sealing ring 10 between the closing in 91 of these slot rolling 90 upper limbs and shell 9 upper ends, sealing circle 10 is provided with a circle inside groove 10A and tightly is enclosed within described block 1, the periphery of Temperature protection ring 2 and safe valve block 3, and the upper limb of described slot rolling 90 also is formed with circle bulge loop 92 upwards, contacts to strain between the last convex surface of this circle bulge loop 92 and described sealing ring 10 following, form flexible sealing anchor ring.
Described relatively slot rolling 90 upper limbs, the epirelief of described bulge loop 92 is not less than 0.2 millimeter towards the height of last projection.
The epirelief of described bulge loop 92 is the 8-12% of the described slot rolling 90 indent degree of depth towards the height of last projection.
The indent degree of depth of described slot rolling 90 is the 7-13% of described anti-explosion battery and shell 9 diameters thereof.
The material of sealing ring 10 adopts plastoelastic organic polymer.
Process equipment embodiment 1 and processing method:
As Fig. 5,6, be depicted as the schematic diagram that adopts process equipment embodiment 1 processing shell bulge loop of the present invention.Process equipment embodiment 1 comprises mandrel 11, the back push rod 12 of locating described battery case 9 from axial two ends roof pressure, and described process equipment also comprises gib head pressing mold 13, this gib head pressing mold comprises the gib head 131 that can probe in the slot rolling, is formed with smooth convex body 132 in gib head 131 end profile hook-shapedly.Processing method comprises the steps: A) form a circle slot rolling 90 in the shoulder roll extrusion of battery case 9, simultaneously, axially apply axial compression thrust at battery case 9; B) after slot rolling 90 forms, utilize the convex body 132 of gib head pressing mold 13 to form circle bulge loop 92 upwards at slot rolling 90 upper limbs.
In the slot rolling operation, by guaranteeing the axiality of mandrel 11 and back push rod 12, in the feed of hobboing cutter (not shown), back push rod 12 in addition suitable thrust can make box hat 9 slot rollings 90 of diameter of phi 18 can reach deeply only more than the 1.75mm, in order to further squeezing out upwards bulge loop 92.
As Fig. 7,8, be depicted as the schematic diagram that adopts present device embodiment 2 processing shell bulge loops.This process equipment embodiment 2 comprises snap gauge 14 down, and, described process equipment also comprises punching press patrix 15, the lower end of this punching press patrix 15 comprises step surface 150, be formed with the downward tapering die head 151 of microcephaly below 150 at this step surface, the internal diameter of the small head external diameter of this tapering die head 151 and described battery case 9 is suitable; Perforate 140 internal diameters of described snap gauge 14 down are suitable with the external diameter of described battery case 9, described down snap gauge 14 has the dark mechanism of accent (not giving detailed showing) that regulates the perforate degree of depth, and the dark mechanism of this accent can make the described relatively distance of snap gauge 14 upper surfaces down of slot rolling 90 upper limb outer bottoms on the battery case 9 in the described perforate 140 be not less than 0.2 millimeter.
Described snap gauge 14 down has the path transfer mechanism that regulates perforate 140 internal diameters, and the described upper surface of snap gauge 14 down is provided with the bayonet socket 141 that probes into described slot rolling 90.
Described snap gauge 14 down comprises the die body 142 of longitudinal hole, described perforate 140 is the epimere of this longitudinal hole, described path transfer mechanism comprises the joint-cutting 143 that comprehensively connects to described snap gauge 14 appearances down along the inwall of described longitudinal hole one side, and described path transfer mechanism also comprises movable retention mechanism-screw 144 and the screw threads for fastening mechanism (not shown) of inserting in this screw 144 of regulating described joint-cutting 143 gaps.
Adopt the method for the said equipment processing bulge loop to comprise the steps: A) form a circle slot rolling 90 in the shoulder roll extrusion of battery case 9, simultaneously, axially apply axial compression thrust at battery case 9; B) after slot rolling 90 forms, utilize punching press patrix 15, following snap gauge 14, battery case 9 is a tight fit in down in the snap gauge 14, make the described relatively distance of snap gauge 14 upper surfaces down of slot rolling 90 upper limb outer bottoms be not less than 0.2 millimeter, start punching press patrix 15 pushing battery cases 9 upper end open and touch down snap gauge 14 upper surfaces, thereby form circle bulge loop 92 upwards at slot rolling 90 upper limbs until described slot rolling 90 upper limb outer bottoms;
As Fig. 9, be depicted as and adopt present device embodiment 2 to carry out the schematic diagram of sealing operation.The sealing operation step comprises: add the sealing ring 19 that is with block 16, Temperature protection ring 17 and safe valve block 18 in the dress etc. on slot rolling 90 and bulge loop 92 on the convex surface, utilize the patrix 20 that seals in the axial compression mould to exert pressure then downwards, card is fitted over down battery case 9 openings in snap gauge 14 perforates 140 shrink and seal, finally finish battery seal.
Claims (9)
1, a kind of battery cylindrical shell, it comprises integrated cylindrical side and rounded bottom surface, the shoulder in described side is formed with the slot rolling of a circle indent, it is characterized in that: based on the slot rolling upper limb of described indent, also be formed with circle bulge loop upwards.
2, battery cylindrical shell as claimed in claim 1 is characterized in that: described relatively slot rolling upper limb, and the epirelief of described bulge loop is not less than 0.2 millimeter towards the height of last projection; The epirelief of described bulge loop is the 8-12% of the described slot rolling indent degree of depth towards the height of last projection; The indent degree of depth of described slot rolling is the 7-13% of described anti-explosion battery diameter.
3, a kind of processing method of battery cylindrical shell as claimed in claim 1 or 2, it comprises the steps: A) form a circle slot rolling in the shoulder roll extrusion of battery case, simultaneously, axially apply axial compression thrust at battery case; B) after slot rolling forms, utilize gib head pressing mold or axial compression mould, form circle bulge loop upwards at the slot rolling upper limb.
4, the processing method of battery cylindrical shell as claimed in claim 3, it is characterized in that: among the described step B, described axial compression mould comprises punching press patrix, following snap gauge, the operating process of axial compression mould comprises: battery case is a tight fit in down in the snap gauge, make the described relatively distance of snap gauge upper surface down of slot rolling upper limb outer bottom be not less than 0.2 millimeter, start punching press patrix pushing battery case upper end open and touch down the snap gauge upper surface until described slot rolling upper limb outer bottom; Described gib head pressing mold probes into slot rolling, the convex body of pressing mold described battery case slot rolling upper limb rotatably mold pressing go out one the circle bulge loop.
5, a kind of cylindrical anti-explosion battery that adopts as the cylindrical battery shell of claim 1 or 2, it comprises block topmost successively, the Temperature protection ring, safe valve block, the electric current disconnecting apparatus, air permeable plate, anode ear, Upper gasket, the volume core, anti-explosion battery also comprises shell and sealing ring, the shoulder of described shell is formed with the slot rolling of a circle indent, scarf sealing ring between the closing in of this slot rolling upper limb and shell upper end, the sealing circle is provided with a circle inside groove and tightly is enclosed within described block, the periphery of Temperature protection ring and safe valve block, it is characterized in that: the upper limb of described slot rolling is formed with circle bulge loop upwards, contacts to strain between the last convex surface of this circle bulge loop and described sealing ring following, form flexible sealing anchor ring.
6, a kind of processing method as cylindrical anti-explosion battery as described in the claim 5, it comprises the steps: A) form a circle slot rolling in the shoulder roll extrusion of battery case, simultaneously, axially apply axial compression thrust at battery case; B) after slot rolling forms, utilize gib head pressing mold or axial compression mould, form circle bulge loop upwards at the slot rolling upper limb; C) on slot rolling and bulge loop, add the sealing ring that is with block, Temperature protection ring and safe valve block in the dress on the convex surface, utilize the axial compression mould to exert pressure then, the battery case opening is shunk seal.
7, a kind of process equipment of battery cylindrical shell as claimed in claim 1 or 2, it comprises snap gauge down, it is characterized in that: described process equipment also comprises the punching press patrix, the lower end of this punching press patrix comprises step surface, be formed with the downward tapering die head of microcephaly below the step surface at this, the small head external diameter of this tapering die head is suitable with the internal diameter of described battery case; The perforate internal diameter of described snap gauge down is suitable with the external diameter of described battery case, described down snap gauge has the dark mechanism of accent that regulates the perforate degree of depth, and the dark mechanism of this accent can make the described relatively distance of snap gauge upper surface of descending of slot rolling upper limb outer bottom on the battery case in the described perforate be not less than 0.2 millimeter; Described snap gauge down has the path transfer mechanism that regulates the perforate internal diameter, and the described upper surface of snap gauge down is provided with the bayonet socket that probes into described slot rolling.
8, a kind of process equipment of battery cylindrical shell as claimed in claim 1 or 2, it comprises mandrel, the back push rod of locating described battery case from axial two ends roof pressure, it is characterized in that: described process equipment also comprises the gib head pressing mold, this gib head pressing mold comprises the gib head that can probe in the slot rolling, is formed with smooth convex body in the gib head end profile hook-shapedly.
9, a kind of process equipment as cylindrical anti-explosion battery as described in the claim 5, it comprises the axial compression mould that has following snap gauge and seal patrix, it is characterized in that: described axial compression mould also comprises the punching press patrix, the lower end of this punching press patrix comprises step surface, be formed with the downward tapering die head of microcephaly below the step surface at this, the small head external diameter of this tapering die head is suitable with the internal diameter of described battery case; The perforate internal diameter of described snap gauge down is suitable with the external diameter of described battery case, described down snap gauge has the dark mechanism of accent that regulates the perforate degree of depth, and the dark mechanism of this accent can make the described relatively distance of snap gauge upper surface of descending of slot rolling upper limb outer bottom on the battery case in the described perforate be not less than 0.2 millimeter; Described snap gauge down has the path transfer mechanism that regulates the perforate internal diameter, and the described upper surface of snap gauge down is provided with the bayonet socket that probes into described slot rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101207804A CN100468827C (en) | 2005-12-20 | 2005-12-20 | Battery cylindrical shell and cylindrical anti-explosion battery and its processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101207804A CN100468827C (en) | 2005-12-20 | 2005-12-20 | Battery cylindrical shell and cylindrical anti-explosion battery and its processing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1988211A CN1988211A (en) | 2007-06-27 |
| CN100468827C true CN100468827C (en) | 2009-03-11 |
Family
ID=38184909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101207804A Expired - Fee Related CN100468827C (en) | 2005-12-20 | 2005-12-20 | Battery cylindrical shell and cylindrical anti-explosion battery and its processing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100468827C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4044332A2 (en) | 2021-01-19 | 2022-08-17 | LG Energy Solution, Ltd. | Battery with current collector, battery pack and vehicle including such battery |
| US12125985B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12132227B2 (en) | 2021-01-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle comprising the same |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7972185B2 (en) * | 2009-03-16 | 2011-07-05 | Sb Limotive Co., Ltd. | Battery module having connector for connecting terminals |
| CN102117896B (en) * | 2011-01-28 | 2012-12-05 | 福建南平南孚电池有限公司 | Line rolling method of cylindrical battery |
| CN102240713A (en) * | 2011-05-13 | 2011-11-16 | 深圳市豪鹏科技有限公司 | Channeling machine and channeling method thereof |
| CN103401022B (en) * | 2013-07-26 | 2015-07-29 | 浙江长兴竹园锂电池材料有限公司 | A kind of multipurpose cylindrical lithium battery cap packaging machine |
| CN105552259B (en) * | 2016-02-22 | 2019-03-12 | 浙江野马电池有限公司 | A kind of groove edge curling seal device and edge curling seal method |
| CN106784440B (en) * | 2017-01-04 | 2021-11-19 | 上海电气国轩新能源科技(苏州)有限公司 | Cylinder battery spring type cap |
| CN108054305B (en) * | 2017-12-20 | 2024-03-01 | 福建猛狮新能源科技有限公司 | Sealing device for cylindrical lithium battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193415A (en) * | 1995-08-21 | 1998-09-16 | 富士摄影胶片株式会社 | Method of producing cylindrical cell and apparatus therefor |
| CN1433097A (en) * | 2002-01-15 | 2003-07-30 | 松下电器产业株式会社 | Battery and its making process |
| CN2847538Y (en) * | 2005-12-20 | 2006-12-13 | 深圳华粤宝电池有限公司 | Battery cylindrical shell and its sylindrical anti-explosion battery |
-
2005
- 2005-12-20 CN CNB2005101207804A patent/CN100468827C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193415A (en) * | 1995-08-21 | 1998-09-16 | 富士摄影胶片株式会社 | Method of producing cylindrical cell and apparatus therefor |
| CN1433097A (en) * | 2002-01-15 | 2003-07-30 | 松下电器产业株式会社 | Battery and its making process |
| CN2847538Y (en) * | 2005-12-20 | 2006-12-13 | 深圳华粤宝电池有限公司 | Battery cylindrical shell and its sylindrical anti-explosion battery |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4044332A2 (en) | 2021-01-19 | 2022-08-17 | LG Energy Solution, Ltd. | Battery with current collector, battery pack and vehicle including such battery |
| EP4044334A2 (en) | 2021-01-19 | 2022-08-17 | LG Energy Solution, Ltd. | Battery with current collector, battery pack and vehicle including such battery |
| US12132227B2 (en) | 2021-01-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle comprising the same |
| US12136706B2 (en) | 2021-01-19 | 2024-11-05 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle including the same |
| US12142734B2 (en) | 2021-01-19 | 2024-11-12 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle including the same |
| US12125985B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12125986B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the same |
| US12132175B2 (en) | 2021-02-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12136707B2 (en) | 2021-02-19 | 2024-11-05 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the battery |
| US12199247B2 (en) | 2021-02-19 | 2025-01-14 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1988211A (en) | 2007-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100468827C (en) | Battery cylindrical shell and cylindrical anti-explosion battery and its processing method and device | |
| CN102632578B (en) | Polytetrafluoroethylene isostatic pressure molding device and pipeline lining method by aid of same | |
| CN101310402B (en) | Gasket molding system for membrane electrode assemblies | |
| JP4065832B2 (en) | Press forming apparatus and press forming method for metal separator for fuel cell | |
| CN105499298A (en) | Self-lubricating knuckle bearing extrusion forming mold and technology | |
| CN104669596B (en) | Gas pressure compacting mould and pneumatic shaping method for lithium ion battery packaging film | |
| CN201233919Y (en) | Lithium ionic cell covering cap device | |
| KR100812804B1 (en) | Mold for Graphite Separator that is easy to separate Graphite Separator | |
| CN111864224B (en) | Zinc-manganese dry battery manufacturing process | |
| CN203536479U (en) | Lithium ion battery | |
| CN108749018B (en) | Battery sealing element forming method | |
| CN208787447U (en) | A kind of pole pier compression mould | |
| CN201455260U (en) | A cold isostatic pressing mold | |
| CN108656576B (en) | Battery sealing element forming method | |
| CN2847538Y (en) | Battery cylindrical shell and its sylindrical anti-explosion battery | |
| KR101792568B1 (en) | Method for Preparation of Battery Case Using Extruding and Deep Drawing | |
| CN102637841A (en) | Production method of anti-explosion valve sheet, lithium ion battery and anti-explosion cover plate of lithium ion battery | |
| CN101207206B (en) | A plastic case zinc-manganese dry battery and its manufacturing process and special mold | |
| CN210966687U (en) | Button cell vacuum sealing device | |
| KR20140140313A (en) | Apparatus of press polymer case | |
| CN108724780B (en) | Battery sealing element forming method | |
| CN216968446U (en) | Compression molding die of packing element of packer | |
| CN102709500B (en) | Lithium battery cap, battery core, lithium battery and battery core assemble method | |
| CN217361755U (en) | Injection-molded stainless steel shell of button-type lithium ion battery | |
| JP5909519B2 (en) | Packing for coin-type battery and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Two road 518118 Guangdong city of Shenzhen province Pingshan Pingshan biling community bunker No. 38 Patentee after: HYB Battery Co., Ltd. Address before: 518111 Fumin Industrial Zone, Pinghu Town, Longgang District, Guangdong, Shenzhen, 13-15 Patentee before: HYB Battery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |