CN206921958U - A kind of volume pin and the rolling needle mechanism for configuring the volume pin - Google Patents
A kind of volume pin and the rolling needle mechanism for configuring the volume pin Download PDFInfo
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- CN206921958U CN206921958U CN201720454672.9U CN201720454672U CN206921958U CN 206921958 U CN206921958 U CN 206921958U CN 201720454672 U CN201720454672 U CN 201720454672U CN 206921958 U CN206921958 U CN 206921958U
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- volume pin
- rotating disk
- pin
- volume
- needle body
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- 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
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- 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
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Abstract
This application discloses a kind of volume pin of new structure and the rolling needle mechanism of the volume pin is configured, wherein the cross section of the volume pin is square, and the volume pin includes：The left needle body and right needle body being arranged symmetrically；The clamping seam being formed between the left needle body and right needle body；The barrier film pressing plate being arranged in the clamping seam.The application can improve the winding efficiency of EV up- coilers, while protect cell polar ear, lift the winding quality of battery core.
Description
Technical field
The application is related to lithium battery production equipment field, and in particular to a kind of volume pin and the volume pin machine for configuring the volume pin
Structure, the coiling process for dynamic lithium battery core bag.
Background technology
At present in dynamic lithium battery production process, the volume pin on up- coiler is the pith of battery winding, rolls up pin
Shape influences the quality of battery core, and the winding speed of equipment.Existing up- coiler largely all uses oval, flat rhombus
Rolling needle mechanism.Oval rolling needle mechanism, in production, because the radian for rolling up pin profile can cause the lug bending of battery core to deform,
, it is necessary to be flattened to battery core after the completion of electric core winding, wrinkling deformation inside battery core is easily caused.Another flat rhombus volume pin
Mechanism, short axle and long axis length difference is larger, it is necessary to which motor variable speed is wound, and bad control can cause pole piece and barrier film
Shake is big, influences the degree of registration of electric core membrane and pole piece, and requires also high to tension force, is often caused during speed-raising
Tension fluctuation is big, battery core internal modification, causes equipment speed-raising difficult, strong influence production efficiency of equipment.
The content of the invention
The purpose of the application is：A kind of volume pin of new structure is provided and configures the rolling needle mechanism of the volume pin, to improve
The winding efficiency of EV up- coilers, while cell polar ear is protected, lift the winding quality of battery core.
In order to achieve the above object, the technical scheme of the application is：
One kind volume pin, it is characterised in that the cross section of the volume pin is square, and it includes：
The left needle body and right needle body being arranged symmetrically；
The clamping seam being formed between the left needle body and right needle body；And
The barrier film pressing plate being arranged in the clamping seam.
This volume pin of the application is on the basis of above-mentioned technical proposal, in addition to following preferred scheme：
Four square corners are formed with plane chamfering.
The cross section of the left needle body and right needle body is triangle, and the clamping seam is formed at described square one
On diagonal.
A kind of rolling needle mechanism, including：
Rotating disk, and
The volume pin for the said structure being arranged on the rotating disk.
Also include：
Electricity is driven with rotating disk drive connection, with the rotating disk for driving the rotating disk to make to move pivotally around own central axis line
Machine；And
Electricity is driven with volume pin drive connection, with the volume pin for driving the volume pin to make to move pivotally around own central axis line
Machine.
This rolling needle mechanism of the application is on the basis of above-mentioned technical proposal, in addition to following preferred scheme：
The volume pin described in one is provided only with rotating disk.
The volume pin described in two is provided with the rotating disk altogether, this two volume pins parallel arrangement, and this two volume pins with
The axis of the rotating disk is that line of symmetry is symmetrical.
The volume pin described in three is provided with the rotating disk altogether, this three volume pins parallel arrangement, and this three volume pins with
It is uniformly distributed circumferentially centered on the axis of the rotating disk.
The rolling needle mechanism of winding lithium battery coiling core is made using square volume pin and using this square volume pin by the application,
Have the advantage that：
Lug can be laid in the plane of square volume pin when the 1st, winding, it is not easy to bending deformation；
2nd, the major and minor axis for rolling up pin is more or less the same, and tension fluctuation is less, will not cause too big shake to pole piece, and can be with
Adapt to wind the change of major and minor axis with reference to motor variable speed, further reduce the fluctuation of tension force, solve complete machine speed-raising problem, pole
Big raising production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of this volume pin of the embodiment of the present application；
Fig. 2 is schematic diagram of this volume pin of the embodiment of the present application when winding battery core；
Fig. 3 is the working state schematic representation of this rolling needle mechanism of the embodiment of the present application；
Wherein：1- volumes of pin, the left needle bodies of 101-, the right needle bodies of 102-, 103- clamping seams, 104- barrier film pressing plates, 2- reels；
What a- barrier films and pole piece were formed treats coiled strip, b- lugs, c- core.
Embodiment
The application is described in further detail below by embodiment combination accompanying drawing.The application can be with a variety of
Different forms is realized, however it is not limited to embodiment described by the present embodiment.The purpose of detailed description below is provided
It is easy for becoming apparent from present disclosure thorough explanation, the words of the wherein indicating position such as upper and lower, left and right is only pin
To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by
Omit, or other methods, component or material can also be used.In some instances, some embodiments are not described
Or it is not described later in detail.
In addition, technical characteristic described herein, technical scheme can also be closed arbitrarily in one or more embodiments
Suitable mode combines.For those skilled in the art, should be readily appreciated that with provided herein is embodiment relevant method
Step or operation order can also change.Therefore, any order in drawings and examples is merely illustrative purposes, not secretly
Show requirement in a certain order, require unless expressly stated according to a certain order.
" connection " described in the application, unless otherwise instructed, include directly or indirectly connecting (connection).
Figures 1 and 2 show that a preferred embodiment of this volume pin of the application, it includes：
The left needle body 101 and right needle body 102 being arranged symmetrically；
The clamping seam 103 being formed between left needle body 101 and right needle body 102；And
The barrier film pressing plate 104 being arranged in clamping seam 103.
And the cross section of the volume pin 1 is square, therefore square volume pin can be referred to as.And described square four
Corner is formed with plane chamfering.The cross section of above-mentioned left needle body 101 and right needle body 102 is triangle, and 103 shapes are stitched in above-mentioned clamping
Into on an above-mentioned square diagonal.
Fig. 3 shows a kind of rolling needle mechanism for being configured with three above-mentioned volume pins, and it includes rotating disk 2 and is arranged at the rotating disk
The upper three volume pins 1 according to Fig. 1 --- it is commonly called as three station rolling needle mechanisms.Wherein, rotating disk 2 and rotating disk motor be (in figure not
Show) drive connection, to drive rotating disk 2 to be moved pivotally around rotating disk own central axis line by the rotating disk motor；Roll up pin 1 with
The volume pin motor drive connection being fixed on rotating disk 2, to drive the volume coiling pin itself of pin 1 by the volume pin motor
Axis moves pivotally.
Three volume pins 1 on reel 2 are arranged parallel to, and are circumferentially uniformly divided centered on this axis by rotating disk
Cloth.I.e. this three volume pins 1 are arranged in equilateral triangle, and the geometric center point of the equilateral triangle is located at the axis of rotating disk 2
On line, while the equilateral triangle is perpendicular to the axis of rotating disk 2.
During practical application, the band coiled strip end that barrier film and positive/negative plate are formed is placed in clamping seam 103, and pass through barrier film
Pressing plate 104 compresses barrier film.Three volume pins 1 make pivotal movement under the drive of corresponding motor around own central axis line respectively, with reference to
Motor variable speed, it is ensured that barrier film and pole piece tension compliance, while during high-speed winding, positive/negative plate tiled arrangements are in just
At the plane of square volume pin (such as Fig. 2), during so as to eliminate or alleviate fast winding the problem of lug bending, prevent from rolling up in high speed
Around when caused lug deformation, lug can be protected well.Contour structures of the pin for square are rolled up, barrier film, pole piece pass through this
It is wound after barrier film platen clamp barrier film among square volume pin, during winding, the major and minor axis that pin is rolled up according to square changes
To change the rotating speed of winding motor (i.e. above-mentioned volume pin motor), making barrier film, the winding tension of positive/negative plate keeps constant,
Until after the completion of winding, cut-out barrier film, pole piece, core rubberizing (is realized) by other adhesive tape rubberizing mechanism, is finally sent to unloading station
(being realized by other shedding mechanism), meanwhile, roll up the chamfering set on pin and also more facilitate the discharging of core to flatten.The same time
Under, three volume pins 1 are respectively at winder station, patch tail glue station and unloading station, and rotating disk 2 is in motor (above-mentioned rotating disk driving
Motor) drive under every time rotate 120 °, so as to realize three volume pins stations conversion.
It should be noted that in some other embodiments of the application, can also only be set on the rotating disk 2 of rolling needle mechanism
Square volume pin shown in one or two or Fig. 1 of other quantity, it is square so as to carry out multiple stations such as single-station, double
Shape volume pin winding.
The volume pin described in two is provided with the rotating disk altogether, this two volume pins parallel arrangement, and this two volume pins with
The axis of the rotating disk is that line of symmetry is symmetrical.
Above content is to combine the further description that specific embodiment is made to the application, it is impossible to assert this Shen
Specific implementation please is confined to these explanations.For the application person of an ordinary skill in the technical field, do not taking off
On the premise of conceiving from the application, some simple deduction or replace can also be made.
Claims (8)
1. one kind volume pin, it is characterised in that the cross section of the volume pin (1) is square, and it includes：
The left needle body (101) and right needle body (102) being arranged symmetrically；
The clamping seam (103) being formed between the left needle body (101) and right needle body (102)；And
The barrier film pressing plate (104) being arranged in the clamping seam (103).
2. volume pin according to claim 1, it is characterised in that four square corners are formed with plane chamfering.
3. volume pin according to claim 1, it is characterised in that the cross section of the left needle body (101) and right needle body (102)
It is triangle, the clamping seam (103) is formed on a square diagonal.
4. a kind of rolling needle mechanism, including：
Rotating disk (2), and
The volume pin (1) being arranged on the rotating disk；
Characterized in that, the volume pin (1) is using the structure as described in claim 1 or 2 or 3.
5. rolling needle mechanism according to claim 4, it is characterised in that also include：
Electricity is driven with the rotating disk (2) drive connection, with the rotating disk for driving the rotating disk (2) to make to move pivotally around own central axis line
Machine；And
Electricity is driven with the volume pin (1) drive connection, with the volume pin for driving the volume pin (1) to make to move pivotally around own central axis line
Machine.
6. rolling needle mechanism according to claim 4, it is characterised in that be provided only with the rotating disk (2) described in one
Roll up pin (1).
7. rolling needle mechanism according to claim 4, it is characterised in that be provided with altogether described in two on the rotating disk (2)
Pin (1), this two volume pin (1) parallel arrangements are rolled up, and this two volume pins (1) are using the axis of the rotating disk (2) as line of symmetry
It is symmetrical.
8. rolling needle mechanism according to claim 4, it is characterised in that be provided with altogether described in three on the rotating disk (2)
Roll up pin (1), this three volume pin (1) parallel arrangements, and this three volume pin (1) edges centered on the axis of the rotating disk (2)
Circumferentially it is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720454672.9U CN206921958U (en) | 2017-04-26 | 2017-04-26 | A kind of volume pin and the rolling needle mechanism for configuring the volume pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720454672.9U CN206921958U (en) | 2017-04-26 | 2017-04-26 | A kind of volume pin and the rolling needle mechanism for configuring the volume pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206921958U true CN206921958U (en) | 2018-01-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720454672.9U Active CN206921958U (en) | 2017-04-26 | 2017-04-26 | A kind of volume pin and the rolling needle mechanism for configuring the volume pin |
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| CN (1) | CN206921958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-04-26 CN CN201720454672.9U patent/CN206921958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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