EP1334527A1 - Separateur en forme de manche et son dispositif de production - Google Patents

Separateur en forme de manche et son dispositif de production

Info

Publication number
EP1334527A1
EP1334527A1 EP01940292A EP01940292A EP1334527A1 EP 1334527 A1 EP1334527 A1 EP 1334527A1 EP 01940292 A EP01940292 A EP 01940292A EP 01940292 A EP01940292 A EP 01940292A EP 1334527 A1 EP1334527 A1 EP 1334527A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
separator
turntable
lead
lead plate
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.)
Withdrawn
Application number
EP01940292A
Other languages
German (de)
English (en)
Inventor
Daniel Dreyer
Jean-Luc Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daramic LLC
Original Assignee
Daramic LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daramic LLC filed Critical Daramic LLC
Publication of EP1334527A1 publication Critical patent/EP1334527A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/06—Lead-acid accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • H01M50/406—Moulding; Embossing; Cutting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • H01M50/466—U-shaped, bag-shaped or folded
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/53135—Storage cell or battery

Definitions

  • the invention relates to a sleeve separator for encasing battery plates of a lead-acid accumulator and a device for producing such sleeve separators.
  • Battery separators are used in accumulators to prevent direct contact and thus short circuits between the electrode plates.
  • the separators are made of porous acid and oxidation resistant materials, the pore size is selected so that it allows an ionic current to flow through the membrane, but prevents the passage of growths and particles that have detached from the battery plates.
  • the risk of particles and growth penetration and thus the risk of short circuits is particularly small in microporous separators due to the smaller pore size.
  • Lead accumulators equipped with microporous separators therefore usually have a longer service life.
  • Separators are generally used in the form of plug-in or sleeve separators.
  • Plug-in separators are manufactured as piece goods and cut to the required height and width by the separator manufacturer. They are relatively stiff and are placed as such between the battery plates during battery manufacture.
  • Sleeve separators are generally manufactured as rolls with the desired width and are cut to a specified length and shaped into sleeves only by the battery manufacturer in a fully automated process. This on sleeves closed on two sides are used to hold the battery plates.
  • a sleeve separator for a lead plate of a lead-acid accumulator which surrounds the front and the back as well as the lower edge and the upper edge of the lead plate and which is characterized in that the separator material adheres to the upper edge of the lead plate and the sleeve one side protrudes laterally approximately at right angles away from the lead plate, that the separator material on the opposite other sleeve side is also folded perpendicularly over the upper edge of the lead plate and also protrudes laterally from the sleeve side, and that the two protrude laterally approximately at a right angle from the sleeve side and separator sections lying one above the other are connected to one another.
  • the sleeve separator can be folded around a lead plate in a first step and closed in a second step along a laterally projecting longitudinal edge, for which purpose a fully automatic production machine can be used.
  • a device for producing sleeve separators for encasing battery plates of a lead-acid accumulator serves to solve the further problem
  • a turntable which can be rotated about a horizontal axis in steps of 90 ° and has four surfaces which each form the sides of a square, which are each provided in the area of their edges with activatable holding devices for holding the separator material, while in the middle area of each area there is a surface section which can be moved in towards the axis, with a lead plate feed device which feeds the lead plates to be encased laterally at about the height of the axis of the turntable , with a sliding device for inserting the lead plates fed to the turntable in the direction of the turntable axis while simultaneously moving the retractable central area of the associated surface in the direction of the turntable axis, with a first folding device for folding the separator material under and over the lead plate, while this is pushed by the slide into the turntable, with a second folding device, which folds the edges of the sleeve separator folded by the first folding device at right angles and laterally above the sleeve separator, with a closing device g for closing the
  • Figure 1 is a schematic side view of a sleeve separator
  • FIG. 2 shows a schematic illustration of a device for producing the sleeve separator from FIG. 1; and Figures 3 to 12, the individual phases of the manufacture of the sleeve separator according to the invention.
  • Figure 1 shows a schematic side view of a sleeve separator 1 for enclosing a lead plate 2 of a lead-acid battery, not shown.
  • the sleeve separator has a front side 3 and a rear side 4, which are connected to one another at the lower edge of the lead plate 2 by a lower edge 5.
  • the front side 3, the rear side 4 and the lower edge 5 of the sleeve separator 1 are produced from separator material and are connected to one another in one piece by folding a separator material web.
  • the sleeve separator 1 Before it is closed by a seam 7, the sleeve separator 1 is open at its upper edge 6 in order to be able to insert the lead plate 2 from there.
  • the side walls of the sleeve separator are open, so that the lead plate 2 can be seen from both sides, as shown in FIG.
  • An essential feature of the invention is that the front side 3 of the sleeve separator 1 is folded out approximately at right angles to the outside in the region of the upper edge 6 and thus forms a web 8 directed away from the lead plate 2 and the rear side 4.
  • the upper end of the back 4 is folded in the same direction so that it covers the lead plate 2 and forms the upper edge 6.
  • the upper edge 6 extends as far beyond the edge of the front side 3 folded over at right angles as is necessary for the formation of a seam 7 which reliably connects the front side 3 to the rear side 4.
  • the seam 7 is formed by welding, in another embodiment by mechanical crimping.
  • a further possibility of reliably closing the sleeve separator 1 by means of a seam 7 consists in a connection by mechanical crimping, the web 8 projecting laterally from the front side 3 between two meshing gearwheels or a gearwheel meshing with a toothed rack or by two against one another pressed racks is manufactured. If a suitable tooth shape with a complementary counter-shape is selected and a pressure suitable for connecting the two separator sides is applied, the separator material is pressed together in the manner of a crimping process in such a way that a reliably closed seam 7 is produced.
  • the gearwheels and / or toothed rack (s) are straight toothed in one embodiment, helical toothed in another, for example at an angle of 10 ° to 30 °, preferably 20 °.
  • FIG. 2 shows a device for producing an arm separator 1 according to FIG. 1 with a turntable 10 which can be rotated about a horizontal axis 11.
  • the axis 11 is supported by a bearing 12 which is mounted on supports 13 of a frame 14.
  • the turntable 10 has the shape of a drum with a square cross section and rounded corners, as can be clearly seen in the drawing. In the basic position of the turntable, its top and bottom are thus aligned horizontally, while the orientation of the side surfaces is vertical.
  • a motor not shown, which is arranged on the side of the axis 11 opposite the bearing 12, the side walls of the turntable 10 are always aligned either horizontally or vertically.
  • gates 1 On the opposite right side of the turntable 10, a sliding device 18 is mounted on a table 19, which is also part of the frame 14.
  • a sliding table 20 is mounted on the table 19, which extends parallel to the axis 11 of the rotary table 10 and on which the lead plates 2 fed by a gripper 22 are placed, in order to be explained later by a slide 24 at right angles to the rotary table 10 to be pushed.
  • the slide 24 is actuated by a cylinder 25, which is preferably a pneumatic cylinder.
  • a gripper 22 serving for feeding the lead plates 2 is carried by a sleeve 23 which is displaceable on a gallows 21 in the longitudinal direction of the gallows 21.
  • the gallows 21 is arranged parallel to the turntable 10, as shown in Figure 2.
  • a different orientation of the gallows is also possible, for example across the rotary table 10, which means no difficulty for the person skilled in the art.
  • a vertical strut of the gallows 21 is therefore fastened vertically on the front of FIG. 2 on the table 19, while the opposite rear strut is fastened to the rear end of the frame 14 in a manner which is not shown but is known.
  • a common way of attaching the gallows 21 to the frame 14 is the welding of these parts.
  • a plate conveyor 27 is arranged behind the table 19, which conveys the lead plates 2 from a stack of plates or another storage location to the rotary table, in order to be gripped there by the gripper 22 and transmitted to the sliding device 18. Seen in the transport direction of the lead plates 2, the plate conveyor 27 is therefore in front of the sliding table 20.. ' ,
  • FIG. 2 also shows schematically a separator material roll 28, of which the separator material 8 is a continuous web
  • Rotary table 10 is supplied.
  • the web material is fed in follows over a feed table 30, which is preceded by a guide roller 31.
  • the web material runs between a pair of rollers, of which the upper roller is a creasing body 33, which cooperates with a counter-pressure roller 34 and which serves to produce creasing lines in the web material of the separator, along which the sleeve separator 1 runs the turntable 10 can be folded.
  • the separator web material runs into the nip of a pair of conveyor rollers 36, which serves to feed the separator material 8 in a controlled manner to the surface of the turntable 10 that is at the top or in the 12 o'clock position.
  • a cutting device 38 is provided, the upper knife of which is movable in a guillotine-like manner in a guided manner against a lower bar and thus cuts the separator web material 8 in accordance with the length of a battery plate 2.
  • FIG. 2 shows a welding device 44 at the front end under the turntable 10 and in the vicinity of the bearing 12 for producing the seam 7 of the sleeve separator 1.
  • FIG. 2 is only drawn schematically, which is expressed in particular by the fact that no support structure for the separator material roll 28 is shown. However, it is clear to the person skilled in the art how the suspension of such a material roll and all other components that are not expressly shown in detail would be implemented. i
  • FIG. 3 shows, in the form of a schematic vertical section, the turntable 10 from FIG. 2 before the feeding of a separator material web section.
  • the sliding table 20, on which a lead plate 2 already lies, is arranged to the right of the turntable 10. You can also see the slide 24, which can be moved back and forth by a piston rod 26 of the cylinder 25 in the direction of the axis 11.
  • FIG. 3 also shows the holding devices 41 and the folding devices 42 open in the 12 o'clock position.
  • the retractable central areas 40 of the side walls of the rotary table 10 can be seen, which are coupled to one another via connecting rods 46 such that two diametrically opposed central areas 40 only can be moved together.
  • the movement of the central regions 40 takes place in guide slots 47 which intersect at the center of the turntable 10 and which ensure that whenever a first central region 40 is aligned with the surface of a side wall, the opposite central region 40 'in the slot 47 is withdrawn and thus allows the insertion of a lead plate 2.
  • FIG. 4 shows the turntable 10 after the separator material 8 has been fed and separated, the holding devices 41 having already pivoted their free ends in the direction of the arrows A over the separator material 8 and thus hold the latter on the turntable 10.
  • the folding devices 42 are still retracted in this state and are flush with the top of the side wall, in exactly the same way as the central region 40.
  • the welding device 44 is also shown schematically under the rotary table 10. In the next step, the turntable 10 is rotated clockwise 90 ° in the direction of arrow B to the 3 o'clock position.
  • FIG. 5 shows the turntable 10 rotated in the direction of arrow B into the 3 o'clock position, in which the separator material 8 is now held vertically on the side surface by the holding devices 41 while the folding devices 42 are not yet actuated.
  • the lead plate 2 together with the sliding table 20 in the direction of arrow C. This movement is brought about by the extension of the piston rod 26 of the cylinder 25.
  • the central region 40 is still in alignment with the side wall and thus in the guide slot 47 in the fully extended position.
  • a further piece of separator material 8 ' can already be fed to the holding devices 41' which are still open.
  • the holding devices 41 open in the direction of the arrows D, while the lead plate 2 is pushed into the guide slot 47 by the slide 24.
  • the movable middle region 40 is pushed back in the guide slot 47, while at the same time the folding devices 42, which in one embodiment are two parallel bars with a circular cross section, are pivoted up out of the side wall of the rotary table 10 against the lead plate 2 in the direction of the arrows E. , As a result, they press the separator material 8 against the lead plate 2 and thereby form a sleeve.
  • FIG. 8 shows the lead plate 2 fully inserted into the guide slot 47 by the slider 24, which is already encased on three sides by the separator material 8 in this position.
  • the central region 40 is completely inserted into the guide slot 47.
  • the next manufacturing step is shown in FIG. 9, the slide 24 being withdrawn in the direction of arrow C from the turntable 10, while a wall section 49 of the guide slot 47 is moved in the manner of a stamp in the direction of arrow F against the battery plate 2 and so that the back 4 of the separator material 8 presses against the lead plate 2.
  • the holding devices 41 are still open, while the folding devices 42 have been pivoted back into the side wall in the direction of the arrows E '.
  • FIG. 10 shows the third position of the turntable 10, in which it has been rotated clockwise two times 90 ° with respect to its starting position and which corresponds to the 6 o'clock position.
  • a further section of separator material 8 is already fed in and held by the holding devices 41" on the horizontal side wall lying above.
  • the lead plate 2 with the separator material 8 folded like a pocket is pressed from the wall section 49 onto the inner wall of the guide slot 47 in the direction of arrow F in order to prevent the battery from falling out. to prevent plate 2 and the separator material 8.
  • the edge of the front side 3 protruding slightly beyond the edge of the side wall is already folded at right angles, namely by the slide 24 in FIG. 8. However, the free edge of the rear side 4 of the sleeve separator still protrudes outwards. Now the welding device 44 is moved with its folding arm 45 against the turntable 10 in the direction of arrow G.
  • FIG 11 shows the welding device 44 moved against the turntable 10, the folding arm 45 of which has previously folded the free edge of the rear side 4 of the sleeve separator at right angles, so that a welding bar 48 mutually projects the two edges of the separator material 8 which protrude at right angles and in the figure to the left can press to form the seam 7 shown in Figure 1.
  • the folding devices 42 are extended again and serve to support the sleeve separator 1 when it is ejected by the movable one Middle region 40 in the direction of arrow H, as a result of which the finished sleeve separator 1 with the lead plate 2 enclosed can be transferred to the conveying device 16.
  • a further section of separator material 8 '' ' was already fed to the 12 o'clock position of the turntable 10 and clamped by the holding devices 41' ''.
  • the crimping device not shown, would again have a folding arm 45, but instead of the welding bar 48, a toothed rack or a gearwheel would have to be provided, which cooperates with a toothed rack inserted into the side wall of the rotary table 10 and presses the edges of the separator material 8.
  • the rack would have to be arranged along that edge of the guide slots 47 which is opposite the movable wall section 49.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)

Abstract

L"invention concerne un séparateur en forme de manche destiné à une plaque de plomb (2) d"un accumulateur plomb-acide. Ce séparateur enveloppe la face avant, la face arrière ainsi que le bord inférieur et le bord supérieur de la plaque de plomb. L"invention est caractérisée en ce qu"au niveau du bord supérieur de la plaque de plomb (2) et de la manche, une extrémité du matériau de séparation (6) est en saillie latérale et est pliée vers l"extérieur sensiblement perpendiculairement à la plaque de plomb ; en ce que l"autre extrémité de manche opposée du matériau de séparation (8) est également pliée à angle droit au-dessus du bord supérieur de la plaque de plomb et est également en saillie latérale sur le côté manche et en ce que les deux sections de séparateur en saillie latérale et sensiblement perpendiculaires de l"extrémité manche sont superposées et assemblées par une couture (7).
EP01940292A 2000-06-07 2001-04-05 Separateur en forme de manche et son dispositif de production Withdrawn EP1334527A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10028084A DE10028084C1 (de) 2000-06-07 2000-06-07 Ärmelseparator und Vorrichtung zu dessen Herstellung
DE10028084 2000-06-07
PCT/EP2001/003894 WO2001095413A1 (fr) 2000-06-07 2001-04-05 Separateur en forme de manche et son dispositif de production

Publications (1)

Publication Number Publication Date
EP1334527A1 true EP1334527A1 (fr) 2003-08-13

Family

ID=7644932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01940292A Withdrawn EP1334527A1 (fr) 2000-06-07 2001-04-05 Separateur en forme de manche et son dispositif de production

Country Status (7)

Country Link
US (1) US6933075B2 (fr)
EP (1) EP1334527A1 (fr)
JP (1) JP2003536217A (fr)
KR (1) KR20030014260A (fr)
AU (1) AU7392001A (fr)
DE (1) DE10028084C1 (fr)
WO (1) WO2001095413A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040258982A1 (en) 2003-04-23 2004-12-23 Rechargeable Battery Corporation Battery employing an electrode pellet having an inner electrode embedded therein
US7264903B2 (en) * 2003-09-02 2007-09-04 Rechargeable Battery Corporation Battery cells having improved power characteristics and methods of manufacturing same
WO2005022671A1 (fr) * 2003-09-02 2005-03-10 Rechargeable Battery Corporation Cellule de batterie cylindrique presentant des caracteristiques de puissance ameliorees et procede de fabrication associe
US7288126B2 (en) * 2003-09-02 2007-10-30 Rechargeable Battery Corporation Battery cells having improved power characteristics and methods of manufacturing same
CN102142530A (zh) * 2004-05-14 2011-08-03 充电电池公司 碱性电池中平衡能量、功率和成本的嵌入式电极构造
DE102010033436B4 (de) 2010-08-04 2014-02-13 Vb Autobatterie Gmbh & Co. Kgaa Bestückungsstation zur Bestückung von Kraftfahrzeugbatteriegehäusen mit Elektrodenplattensätzen, Bestückungsanlage und Verfahren zum Bestücken von Kraftfahrzeugbatteriegehäusen mit Elektrodenplattensätzen
CN112510321B (zh) * 2020-12-02 2022-06-21 江西量子新能源科技有限公司 一种锂离子电池隔膜切断定位装置
CN116810351B (zh) * 2023-08-30 2023-11-10 常州武进中瑞电子科技股份有限公司 一种自动脱圈机

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Publication number Priority date Publication date Assignee Title
US4026000A (en) * 1976-07-15 1977-05-31 Globe-Union Inc. Apparatus for producing enveloped battery plates
JPS6050859A (ja) * 1983-08-31 1985-03-20 Shin Kobe Electric Mach Co Ltd 鉛蓄電池用極板製造装置
JPS60133654A (ja) * 1983-12-21 1985-07-16 Shin Kobe Electric Mach Co Ltd 蓄電池製造法
US4552823A (en) * 1984-07-05 1985-11-12 Eugene Wozniak Separator plate for lead-acid battery
US4680242A (en) * 1985-06-24 1987-07-14 Fremont Special Machine Company, Inc. Wrapped battery plate
DE3610952A1 (de) * 1986-04-02 1987-10-08 Hagen Batterie Ag Verfahren zum herstellen von akkumulatoren mit akkumulatorplattensaetzen und nach diesem verfahren hergestellter akkumulator
JPS6355851A (ja) * 1986-08-27 1988-03-10 Shin Kobe Electric Mach Co Ltd 鉛蓄電池用隔離体の製造法
DE8702097U1 (fr) * 1987-02-11 1987-05-27 Moll, Peter J., 8623 Staffelstein, De
US5558952A (en) * 1995-12-15 1996-09-24 East Penn Mfg. Co. Pocket separator for electric storage battery plates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0195413A1 *

Also Published As

Publication number Publication date
JP2003536217A (ja) 2003-12-02
DE10028084C1 (de) 2001-12-06
AU7392001A (en) 2001-12-17
KR20030014260A (ko) 2003-02-15
US20030162089A1 (en) 2003-08-28
WO2001095413A1 (fr) 2001-12-13
US6933075B2 (en) 2005-08-23

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