CN201060905Y - Battery core winding needle and its fixation structure - Google Patents
Battery core winding needle and its fixation structure Download PDFInfo
- Publication number
- CN201060905Y CN201060905Y CNU2007201214893U CN200720121489U CN201060905Y CN 201060905 Y CN201060905 Y CN 201060905Y CN U2007201214893 U CNU2007201214893 U CN U2007201214893U CN 200720121489 U CN200720121489 U CN 200720121489U CN 201060905 Y CN201060905 Y CN 201060905Y
- Authority
- CN
- China
- Prior art keywords
- winding needle
- volume pin
- groove
- volume
- latch segment
- 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
- 238000004804 winding Methods 0.000 title claims abstract description 77
- 230000000694 effects Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
- H01M10/0409—Machines for assembling batteries for cells with wound electrodes
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- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
Abstract
The utility model provides a winding needle of battery electric core and a fixing structure of the winding needle, enabling the winding needle to be smoothly pulled out without damaging electrode pole piece and membrane spiral in the electric core. The utility model is characterized in comprising a first winding needle and a second winding needle. The two winding needles are of the same shape and matched with each other to form a winding needle; the first winding needle and the second winding needle are respectively fixed on a first winding needle seat and a second winding needle seat; a boss and a groove are arranged on the surface of each winding needle; the groove is arranged at one end of the winding needle and extended out of the winding needle from the internal part of the winding needle; the boss of the first winding needle is slide fitted with the groove of the second winding needle; the groove of the first winding needle is slide fitted with the boss of the second winding needle; a gap is formed between the first winding needle and the second winding needle.
Description
Technical field
The utility model relates to a kind of battery production equipment, particularly relates to winding needle and winding needle fixed structure that a kind of electric core of reeling in battery production is used.
Background technology
In battery production, battery positive/negative plate forms electric core by reeling, the structure of winding needle has very big influence to the quality and the efficient of the electric core of coiling in coiling, when coiling is finished, when volume pin or patch are extracted, cause scratching barrier film easily, thus battery in the process of using because the breakage of barrier film makes that both positive and negative polarity may direct contact short circuit, cause potential safety hazard.So the structure of volume pin and design have great importance for the quality of electric core.
Chinese patent 200520121551.X discloses a kind of winding needle construction, adopt the design of volume pin and patch, volume pin and patch are overlapping, and patch is a hollow, can reduce friction and attrition surface so that reel to finish when extracting afterwards like this, can extract patch at an easy rate, reduced simultaneously pull out the volume pin action for the influence of battery diaphragm.
But above-mentioned patent has adopted the patch design, needs to adopt by hand to install and extract patch, be applicable to semi-automatic production, and patch still easily damages electric core in the process of extracting.
Existing another kind of volume pin design is as shown in Figure 8 fixed volume pin and last volume pin on the volume needle stand of the same side in addition, realizes the coiling to pole piece, though realized automated production, still has following problem:
1, upper and lower volume pin is rolled up backshank end support force deficiency in the same side, and is yielding in the course of the work, influences electric core distortion, distortion.
2, upper and lower volume pin closing face is the plane, and after coiling was finished, the volume pin was not easy to extract out from electric core, even can damage electric core, and can cause electric in-core pole piece, barrier film spiral.
The utility model content
The purpose of this utility model is to provide a kind of battery battery core winding needle and winding needle fixed structure, reels when finishing, and the volume pin can be extracted out smoothly, can not damage electric core or cause electric in-core pole piece, barrier film spiral.
Another novel purpose of this use is to provide a kind of battery battery core winding needle and winding needle fixed structure, stronger support force is provided can for electric core, prevents electric core distortion, distortion.
For achieving the above object, the utility model adopts following structure, battery battery core winding needle and winding needle fixed structure, comprise that the first volume pin and the second volume pin that shape is identical cooperate the winding needle that forms, the first volume pin and the second volume pin are separately fixed on the first volume needle stand and the second volume needle stand, on a surface of volume pin, be provided with boss and groove, groove is located at an end of volume pin, and in the volume pin, extend to outside the volume pin, the groove of the boss of first volume pin and the second volume pin is slidingly matched, the boss of the groove of first volume pin and the second volume pin is slidingly matched, and forms a space between first volume pin and the second volume pin, two surfaces.
Above-mentioned boss height is longer than depth of groove, when making the first volume pin and the second volume pin by boss and groove fit, can form the space between two surfaces.
Form the volume needle handle on an end of volume pin, boss is located on the surface near volume needle handle one end, and groove is located at the lip-deep other end.
It is half-cylindrical that boss is, and groove is the cylinder flute profile, and boss and groove can be matched with unspecified angle, near forming the guiding oblique angle on groove one end, also forms guiding oblique angle on the top of the close volume of groove pin at boss.
The cross sectional shape of winding needle is rounded, rectangle, square, oval.
Above-mentioned winding needle fixed structure, comprise supporting ring, first latch segment, second latch segment and rotation back shaft, rotation back shaft one end is fixed on the driving mechanism, the other end is provided with a funnel trough, in funnel trough, be arranged with second latch segment of umbrella shape, first latch segment ringwise, set firmly with the activity of the rotation back shaft other end and to cooperate, cooperate in that first latch segment and second latch segment are movable, roll up pin and be fixed in the support ring, its head end gos deep in second latch segment also clamped, second latch segment is elasticity, can shrink to axis, first latch segment by with rotation the cooperating of back shaft, promote second latch segment and in funnel trough, move, cause second latch segment and shrink and clamping volume pin.
The inner ring of above-mentioned first latch segment forms screw thread, and activity sets firmly with the threaded engagement of the other end periphery formation of rotation back shaft.
Forming a step in first latch segment week matches with the second latch segment end.
Above-mentioned volume pin projection section or all be located in the supporting ring mesopore, the tail end that another volume pin is provided with groove gos deep in the mesopore of supporting ring, and groove matches with boss, and tail end and mesopore closely cooperate.
Like this, because the design of boss and groove, form the space between the two volume pins, when coiling was finished the withdraw of the needle, boss and groove were separated, and the space diminishes or two surface applyings between the two volume pins, the sectional area of winding needle diminishes, winding needle can be separated with the pole piece or the barrier film that twine thereon, and the withdraw of the needle smoothly can't damage pole piece or barrier film.
And an end of volume pin is fixed on the volume needle stand, the other end of volume pin also is fixed on the supporting ring of another volume needle stand, make each volume pin two ends that the strong point all be arranged, form the winding needle fixed structure, and boss and groove fit also make two volume pins support mutually, not yielding, the distortion of volume pin reaches good coiling effect.
Description of drawings
Fig. 1 is the stereogram of winding needle of the present utility model;
Figure 1A is the partial enlarged drawing of the A portion of Fig. 1;
Figure 1B is the partial enlarged drawing of the B portion of Fig. 1;
Fig. 2 is the stereogram of the utility model volume pin;
Fig. 2 A is the partial enlarged drawing of the C portion of Fig. 2;
Fig. 2 B is the partial enlarged drawing of the D portion of Fig. 2;
Fig. 3 is winding needle of the present utility model and the end view that cooperates of rolling up needle stand;
Fig. 3 A is winding needle of the present utility model and the cutaway view that cooperates of rolling up needle stand;
Fig. 4 is the utility model volume pin and the end view that cooperates of rolling up needle stand;
Fig. 4 A is the cutaway view that the utility model volume pin cooperates with the volume needle stand;
Fig. 5 is the cutaway view after the utility model winding needle twines electric core;
Fig. 6 is that the utility model volume pin is fixed on the schematic diagram before working on the board;
Fig. 7 is the schematic diagram that the utility model volume pin is fixed on operating state on the board;
Fig. 8 is the schematic diagram of existing up-coiler volume pin.
The primary clustering symbol description:
1, winding needle; 10, first volume pin; 20, the second volume pin; 11, volume needle handle; 12, boss; 13, groove; 14, the guiding oblique angle of boss; 15, the guiding oblique angle of groove; 16; The surface of volume pin; 3, supporting ring; 31, supporting ring mesopore; 4, first latch segment; 41, the step of first latch segment; 5, second latch segment; 51, the second latch segment end; 6, rotation back shaft; 61, the funnel trough in the rotation back shaft; 7, electric core; 8, volume needle stand; Form the space between H, the volume pin.
Embodiment
Referring to figs. 1 through Fig. 3 A, winding needle 1, comprise that the first volume pin 10 and the second volume pin 20 that shape is identical cooperate formation, the first volume pin 10 and the second volume pin 20 are separately fixed on the first volume needle stand 8 and the second volume needle stand 8, on a surface 16 of volume pin 10 or 20, be provided with boss 12 and groove 13, groove 13 is located at an end of volume pin 10 or 20, and in the volume pin, extend to outside the volume pin, the groove 13 of the boss 12 of first volume pin 10 and the second volume pin 20 is slidingly matched, and the boss 12 of the groove 13 of first volume pin and the second volume pin 20 is slidingly matched; Above-mentioned boss 12 highly is longer than groove 13 degree of depth, when the first volume pin 10 and the second volume pin 20 are cooperated by boss 12 and groove 13, forms space H between first volume pin 10 and the second volume pin, two surfaces 16.
Form volume needle handle 11 on an end of volume pin 10 or 20, boss 12 is located on the surface 16 near volume needle handle 11 1 ends, and groove 13 is located at the other end on the surface 16.
It is half-cylindrical that above-mentioned boss 12 is, groove 13 is the cylinder flute profile, boss 12 and groove 13 can be matched with unspecified angle, near forming guiding oblique angle 14 on groove 13 1 ends, also form guiding oblique angle 15 near the top of rolling up pin 10 or 20 at groove 13 at boss 12.
So when work, first volume pin 10 grooves 13 sliding sleeves are gone on the boss 12 of the second volume pin, simultaneously, the boss 12 of first volume pin 10 also matches with the second volume pin groove 13, because boss 12 highly is longer than groove 13 degree of depth, makes between first volume pin 10 and 20 liang of surfaces of the second volume pin and forms space H.
The cross sectional shape of winding needle 1 is rounded, rectangle, square, oval; Can be according to the needs of production difformity battery, and design the different volume pins or the shape of winding needle.
Extremely shown in Figure 5 with reference to Fig. 4, above-mentioned winding needle fixed structure, two volume needle stands 8 that comprise relative design, volume needle stand 8 comprises supporting ring 3, first latch segment 4, second latch segment 5 and rotation back shaft 6, rotation back shaft 6 one ends are fixed on the driving mechanism, the other end is provided with a funnel trough 61, in funnel trough 61, be arranged with second latch segment 5 of umbrella shape, first latch segment 4 sets firmly with rotation back shaft 6 other end activities and to cooperate ringwise, and first latch segment 4 cooperates with 5 activities of second latch segment, volume pin 10 or 20 is fixed in the support ring 3, its head end gos deep in second latch segment 5 also clamped, and second latch segment 5 is elasticity, can shrink to axis, the inner ring of first latch segment 4 forms the threaded engagement of the other end periphery formation of screw thread and rotation back shaft 6, in first latch segment 4, form a step 41 week and match, promote second latch segment 5 and in funnel trough 61, move, cause second latch segment 5 and shrink and clamping volume pin 10 or 20 with second latch segment, 5 ends 51.
Above-mentioned volume pin boss 12 partly or entirely is located in supporting ring 3 mesopores 31, and the tail end that another volume pin is provided with groove 13 gos deep in the mesopore 31 of supporting ring 3, and groove 13 matches with boss 12, and tail end and mesopore 31 closely cooperate, and form the winding needle fixed structure.
With reference to Fig. 6, shown in Figure 7, the utility model volume pin is fixed on the schematic diagram on the board, when work, board relatively moves on guide rail, make first volume pin 10 relative close with the second volume pin 20, first volume pin 10 grooves 13 sliding sleeves are gone on the boss 12 of the second volume pin, simultaneously, the boss 12 of first volume pin 10 also matches with the second volume pin groove 13, in addition, the tail end that first volume pin 10 is provided with groove 13 is deep in the mesopore 31 of fixing the second volume pin supporting ring 3, and groove 13 matches with boss 12, and tail end and mesopore 31 closely cooperate; Equally, the tail end of the second volume pin 20 also closely cooperates with the mesopore 31 of first volume pin supporting ring 3; Formed winding needle 1 fixed mechanism.
Make each volume pin 10 and 20 two ends that the strong point is all arranged like this, form the winding needle fixed structure, and boss 12 and groove 13 cooperations make also two volume pins 10 and 20 support mutually, not yielding, the distortion of volume pin reaches good coiling effect.
Shown in Figure 5, when work is finished, be wound with electric core 7 on the winding needle 1, at this moment, board deviates from motion on guide rail, drive first volume cast-over 10 and deviate from motion mutually with second winding needle 20, boss 12 and groove 13 are separated, and space H diminishes or 16 applyings of two surfaces between the two volume pins 10 and 20, the sectional area of winding needle 1 diminishes, winding needle 1 can be separated with the pole piece or the barrier film that twine thereon, and the withdraw of the needle smoothly can't damage pole piece or barrier film.
Claims (9)
1. battery battery core winding needle and winding needle fixed structure, it is characterized in that: comprise that the first volume pin and the second volume pin that shape is identical cooperate the winding needle that forms, the first volume pin and the second volume pin are separately fixed on the first volume needle stand and the second volume needle stand, on a surface of volume pin, be provided with boss and groove, groove is located at an end of volume pin, and in the volume pin, extend to outside the volume pin, the groove of the boss of first volume pin and the second volume pin is slidingly matched, the boss of the groove of first volume pin and the second volume pin is slidingly matched, and forms a space between first volume pin and the second volume pin, two surfaces.
2. battery battery core winding needle as claimed in claim 1 and winding needle fixed structure is characterized in that: above-mentioned boss height is longer than depth of groove, when making the first volume pin and the second volume pin by boss and groove fit, can form the space between two surfaces.
3. battery battery core winding needle as claimed in claim 1 and winding needle fixed structure is characterized in that: form the volume needle handle on an end of volume pin, boss is located on the surface near volume needle handle one end, and groove is located at the lip-deep other end.
4. battery battery core winding needle as claimed in claim 1 and winding needle fixed structure, it is characterized in that: boss is half-cylindrical, groove is the cylinder flute profile, boss and groove can be matched with unspecified angle, near forming the guiding oblique angle on groove one end, also form the guiding oblique angle near the top of rolling up pin at boss at groove.
5. battery battery core winding needle as claimed in claim 1 and winding needle fixed structure is characterized in that: the cross sectional shape of winding needle is rounded, rectangle, square, oval.
6. battery battery core winding needle as claimed in claim 1 and winding needle fixed structure, it is characterized in that: above-mentioned winding needle fixed structure, comprise supporting ring, first latch segment, second latch segment and rotation back shaft, rotation back shaft one end is fixed on the driving mechanism, the other end is provided with a funnel trough, be arranged with second latch segment of umbrella shape in funnel trough, first latch segment sets firmly with the activity of the rotation back shaft other end and to cooperate ringwise, cooperate at first latch segment and the activity of second latch segment, the volume pin is fixed in the support ring, and its head end gos deep in second latch segment also clamped, and second latch segment is elasticity, can shrink to axis, first latch segment by with rotation the cooperating of back shaft, promote second latch segment and in funnel trough, move, cause second latch segment and shrink and clamp the volume pin.
7. battery battery core winding needle as claimed in claim 6 and winding needle fixed structure is characterized in that: the inner ring of above-mentioned first latch segment forms screw thread, and activity sets firmly with the threaded engagement of the other end periphery formation of rotation back shaft.
8. battery battery core winding needle as claimed in claim 6 and winding needle fixed structure is characterized in that: form a step week and match with the second latch segment end in first latch segment.
9. battery battery core winding needle as claimed in claim 6 and winding needle fixed structure, it is characterized in that: above-mentioned volume pin projection section or all be located in the supporting ring mesopore, the tail end that another volume pin is provided with groove gos deep in the mesopore of supporting ring, and groove matches with boss, and tail end and mesopore closely cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201214893U CN201060905Y (en) | 2007-07-13 | 2007-07-13 | Battery core winding needle and its fixation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201214893U CN201060905Y (en) | 2007-07-13 | 2007-07-13 | Battery core winding needle and its fixation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060905Y true CN201060905Y (en) | 2008-05-14 |
Family
ID=39409394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201214893U Expired - Fee Related CN201060905Y (en) | 2007-07-13 | 2007-07-13 | Battery core winding needle and its fixation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060905Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270771A (en) * | 2010-06-03 | 2011-12-07 | 新科实业有限公司 | Automatic winding device for battery core |
| CN110010978A (en) * | 2019-03-26 | 2019-07-12 | 深圳市科晶智达科技有限公司 | A kind of up- coiler |
| CN110247095A (en) * | 2019-05-23 | 2019-09-17 | 深圳市诚捷智能装备股份有限公司 | Roll up needle assemblies and winding device |
| CN110491691A (en) * | 2019-08-28 | 2019-11-22 | 无锡先导智能装备股份有限公司 | A kind of rolling needle mechanism |
| CN110611125A (en) * | 2019-09-06 | 2019-12-24 | 珠海华冠科技股份有限公司 | Winding head device for manufacturing cylindrical lithium battery cell |
| CN111477974A (en) * | 2020-05-12 | 2020-07-31 | 东莞泓宇智能装备有限公司 | Staggered winding needle structure of square lithium battery sheet-making winding machine and battery cell winding method thereof |
| CN112635850A (en) * | 2020-12-30 | 2021-04-09 | 东莞泓宇智能装备有限公司 | Winding needle rotating dislocation needle drawing structure of lithium battery sheet-making winding machine and method thereof |
| CN110247095B (en) * | 2019-05-23 | 2024-05-17 | 深圳市诚捷智能装备股份有限公司 | Winding needle assembly and winding device |
-
2007
- 2007-07-13 CN CNU2007201214893U patent/CN201060905Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270771A (en) * | 2010-06-03 | 2011-12-07 | 新科实业有限公司 | Automatic winding device for battery core |
| CN110010978A (en) * | 2019-03-26 | 2019-07-12 | 深圳市科晶智达科技有限公司 | A kind of up- coiler |
| CN110247095A (en) * | 2019-05-23 | 2019-09-17 | 深圳市诚捷智能装备股份有限公司 | Roll up needle assemblies and winding device |
| CN110247095B (en) * | 2019-05-23 | 2024-05-17 | 深圳市诚捷智能装备股份有限公司 | Winding needle assembly and winding device |
| CN110491691A (en) * | 2019-08-28 | 2019-11-22 | 无锡先导智能装备股份有限公司 | A kind of rolling needle mechanism |
| CN110611125A (en) * | 2019-09-06 | 2019-12-24 | 珠海华冠科技股份有限公司 | Winding head device for manufacturing cylindrical lithium battery cell |
| CN111477974A (en) * | 2020-05-12 | 2020-07-31 | 东莞泓宇智能装备有限公司 | Staggered winding needle structure of square lithium battery sheet-making winding machine and battery cell winding method thereof |
| CN111477974B (en) * | 2020-05-12 | 2023-06-13 | 东莞泓宇智能装备有限公司 | Misplacement winding needle structure of sheet-making winding machine and electric core winding method thereof |
| CN112635850A (en) * | 2020-12-30 | 2021-04-09 | 东莞泓宇智能装备有限公司 | Winding needle rotating dislocation needle drawing structure of lithium battery sheet-making winding machine and method thereof |
| CN112635850B (en) * | 2020-12-30 | 2022-06-17 | 东莞泓宇智能装备有限公司 | Winding needle rotating dislocation needle drawing structure of lithium battery sheet-making winding machine and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20120713 |