CN106140870A - Lithium battery pole slice auto reeling method - Google Patents
Lithium battery pole slice auto reeling method Download PDFInfo
- Publication number
- CN106140870A CN106140870A CN201610517072.2A CN201610517072A CN106140870A CN 106140870 A CN106140870 A CN 106140870A CN 201610517072 A CN201610517072 A CN 201610517072A CN 106140870 A CN106140870 A CN 106140870A
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- coordinate
- volume pin
- spool
- point
- square
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- 238000000034 method Methods 0.000 title claims abstract description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000004804 winding Methods 0.000 claims description 39
- 230000035515 penetration Effects 0.000 claims description 8
- 239000010409 thin film Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding Of Webs (AREA)
Abstract
The invention discloses a kind of lithium battery pole slice auto reeling method, it is to allow square volume pin be arranged on spool and uniform rotation, rolling material, forms heart-shaped track diametrically, makes be wound into material the most all holding levels of square needle and move into volume pin evenly；The movement locus that the present invention provides solves the problem that up-coiler fluctuates up and down at coiling material process in which materials well.
Description
Technical field
The present invention relates to material auto reeling forming field, be specifically related to square volume pin winding lithium battery positive-negative plate oneself
Dynamic method for winding.
Background technology
Sutomatic winding machine has significant advantage in all many-sides such as ability, quality and efficiency of coiling material, lithium battery,
The industries such as weaving, capacitor and paper product are increasingly widely applied.Tension force and the winding speed of up-coiler determine winding
The quality of finished product, needs in winding process to keep coiling material constant tension as far as possible, and winding speed is uniform, it is to avoid the upper and lower ripple of material
Dynamic.Therefore tension control system is widely applied on sutomatic winding machine.
Coiling material is smoothly moved into take-up roll, is to ensure that the key of winding quality.Center volume pin is rectangle, at rich axle
Rotation process will necessarily drive the fluctuation up and down of material.Generally avoid coiling material fluctuation, it is ensured that coiling material is steady
Ground method has three kinds: 1) reduce winding speed.Too high winding speed can cause the fluctuation up and down of coiling material, relatively low winding
Speed can ensure that steadily.But reduce winding speed and also can reduce production efficiency, be not suitable for industrial production line.This side
Method does not inherently solve the material fluctuation problem caused because of volume aciculiform shape yet.2) interpolation in sutomatic winding machine system
Force control system.Its operation principle is the tension force of tension pick-up real-time detecting material coil, and value is fed back to control centre.Control
The detected value of tension pick-up is contrasted by center with tension force setting value, adjusts the tension force in up-coiler according to difference
Joint, keeps material during pumping, and constant tension, reduction is fluctuated.3) outlet roller moves up and down.This method is
Allow outlet roller according to reel wound speed, and volume pin synergy movement, keep coiling material level.Although the motion of take-up roll is certain
Solve the fluctuation of coiling material in degree, but coiling material fluctuation in the middle part of up-coiler and tension force can be caused unstable.
In a word, although tension control system and speed control system are widely used on sutomatic winding machine, but
The material caused by winding needle shape fluctuates up and down and under winding quality, degradation problem is the most effectively solved.In by
The motion of mandrel, makes coiling material holding level, and the constant research of winding speed is short of the most very much.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of lithium battery pole slice automatically to roll up
Winding method, is to allow square volume pin central shaft diametrically according to this orbiting motion specific so that the material on square volume pin does not has
Having fluctuation, flatly involve in volume pin, and constant airspeed, winding is steadily, it is ensured that the product quality of coiling and molding is good.Due to winding
The kinestate of material is moved by the motion superposition of the motion of center spool with square volume pin, the heart-shaped of spool and rolled up pin
Circular motion can make coiling material level all the time.
Described heart-shaped movement locus is a kind of movement locus for up-coiler square volume pin center spool, and this track is main
Purpose is to allow coiling material level and enter square volume pin evenly, it is to avoid coiling material fluctuates up and down.
Technical scheme: for solving above-mentioned technical problem, the lithium battery pole slice auto reeling method that the present invention provides, is the side of allowing
Shape volume pin central shaft according to heart-shaped orbiting motion, superposes with the circular motion of volume pin, makes coiling material level at the uniform velocity diametrically
Ground is involved in square volume pin.
As preferably, described heart-shaped solving of track comprises the following steps:
Step 1, obtains the coordinate formula of unspecified angle spool central point O；
Step 2, draws centrode image based on MATLAB software.
As preferably, described step 1 includes setting up plane vector relation, the concrete of spool centrode calculates and set up directly
Angle coordinate system solves.
As preferably, the detailed process of described step 1 is as follows:
1.1 according to the frame for movement feature of winder winding shaft portion, sets up plane vector relation:
If currently volume pin midpoint is O, thin film point of penetration is O3, roll up pin radius OO3Being variable, modular invariance, direction is the most equal
Even change；
O1For a permanent datum on up-coiler, O2For thin film exit point, O1O2The most constant for constant, mould and direction；
O2O3For variable, direction is constant, and mould changes over；
O1O is that variable, mould and direction all change；
At arbitrary given time, O1O2For constant, it is known that；
O2O3For variable, mould can be obtained, and direction is fixed, it is known that；
OO3Being variable, direction can be obtained, and mould is fixed, it is known that；
O1O is variable, all can obtain according to vector triangle, mould and direction, and spool center may determine that；
Specifically being calculated as follows of 1.2 spool centrodes:
If the time that square winding head rotates a circle is T, cross sectional radius is r,
Then electric machine rotation angular velocity is
Time needed for once often rotating is T/360 °；
Coiling material remains that horizontal movement state, the square every half rotation of volume pin are a cycle
Then the average speed of coiling material motion is
1.3 vector plane models based on up-coiler, set up rectangular coordinate system, from the beginning of winding head horizontal level, and the inverse time
Pin direction rotates, and with 1 degree as step-length, solves the coordinate figure of central point O；
When volume pin turns over 0 °, the x coordinate of O point is 0, and y-coordinate is 0；
When volume pin turns over 1 °, the x coordinate of O point is-r+vt+r*cos (wt), and y-coordinate is r*sin (wt)；
When volume pin turns over 90 °, the x coordinate of O point is-r+90 ° of * vt+r*cos (90 ° of * wt), and y-coordinate is r*sin (90 ° of *
wt)；
When volume pin turns over n °, the x coordinate of O point is-r+nvt+r*cos (nwt), and y-coordinate is r*sin (nwt)；
When volume pin turns over 180 °, the x coordinate of O point is 0, and y-coordinate is 0；
Analyze and understand, the spool center of any instant
X coordinate is-r+nvt+r*cos (nwt)
Y-coordinate is r*sin (nwt),
Wherein
Then the coordinate of any instant spool center O point is unrelated with cycle T, the most relevant with the radius r of square volume pin.
As preferably, the detailed process of described step 2 is as follows:
Based on MATLAB software programming, draw different square volume pin radius r, a series of curves of spool centrode,
Its program particularly as follows:
Define square volume pin r and be respectively 20mm, 40mm, 60mm；
The time of 1 ° every turn；
The average winding speed of coiling material；
Square volume pin rotational angular velocity；
N=0: 1: 180, rotational angle is from 0 ° to 180 °；
X=-r+nvt+r*cos (nwt), the abscissa of central point O；
Y=r*sin (nwt), the vertical coordinate of central point O；
(x y), calls plot () instruction and draws the trace image of central point O Plot；
The track of central point O is a series of heart shape diagram pictures, and image is only relevant with volume pin radius, and radius is the biggest, heart shape diagram picture
The biggest.
As preferably, the center of square volume pin is fixed in spool in the heart, and spool is centrally mounted on cam, described cam
Contour shape for forming the heart-shaped movement locus at spool center.
As preferably, the center of square volume pin is fixed in spool in the heart, and the Kinematic Decomposition of spool central point is X and Y two
Motion on individual direction, is driven respectively by two motors, by regulating the rotating speed of two motors, and the heart of synthesis spool centrode
Shape is moved.
During use, volume pin is cuboid, and winding radius is r, is arranged on center spool, and volume pin is at the uniform velocity turned by driven by motor
Dynamic coiling material, rotating speed is n.Whenever square volume pin turns over certain angle, the point of penetration skew of square volume pin coiling material is original
Horizontal level, center spool compensates according to the orbiting motion being similar to heart of the present invention, square shaped volume pin so that square
The point of penetration level all the time of volume pin coiling material is constant, it is ensured that coiling material can flatly be involved in square volume pin.
Beneficial effect: the present invention is directed to the sutomatic winding machine square volume steady coiling material of pin level, uses spool center fortune
Dynamic method.Center spool is according to the heart-shaped orbiting motion of the present invention, and volume pin moves in a circle under the driving of motor, winds material
Point of penetration O3 of material does the reciprocating motion of level, makes coiling material level smoothly be involved in volume pin, the optimal volume of final acquisition
Around quality.
Except invention described above solves the technical problem that, constitutes the technical characteristic of technical scheme and by these skills
Outside the advantage that the technical characteristic of art scheme is brought, other skills that the lithium battery pole slice auto reeling method of the present invention can solve
The advantage that the other technologies feature comprised in art problem, technical scheme and these technical characteristics bring, will make in conjunction with accompanying drawing
Further details of explanation.
Accompanying drawing explanation
Fig. 1 is the spool central point locus for square volume pin of the present invention；
Fig. 2 is the plane vector graph of a relation of the winder winding shaft portion of the present invention；
Fig. 3 is the volume pin of present invention when turning over 0 °, the rectangular plots at spool center；
Fig. 4 is the volume pin of present invention when turning over 1 °, the rectangular plots at spool center；
Fig. 5 is the volume pin of present invention when turning over n °, the rectangular plots at spool center.
Detailed description of the invention
With specific embodiment, the present invention is further elaborated with below in conjunction with the accompanying drawings.
A kind of novel track at the sutomatic winding machine spool center for square volume pin, as it is shown in figure 1, track and volume pin
Radius is relevant, and volume pin radius is the biggest, and track is the biggest.In figure three centroids be respectively square volume pin radius be 60mm, 40mm,
The track that 20mm is corresponding.Specific as follows:
Frame for movement feature according to winder winding shaft portion, simplifies up-coiler structure such as Fig. 2.
O is volume pin midpoint, O1For a permanent datum on up-coiler, O2For thin film exit point, O3For thin film point of penetration.
OO3Being variable, modular invariance, direction the most uniformly changes；
O1O2The most constant for constant, mould and direction；
O2O3For variable, direction is constant, and mould changes over；
O1O is that variable, mould and direction all change；
At arbitrary given time, O1O2For constant, it is known that；
O2O3For variable, mould can be obtained, and direction is fixed, it is known that；
OO3Being variable, direction can be obtained, and mould is fixed, it is known that；
O1O is variable, all can obtain according to vector triangle, mould and direction, and spool center may determine that；
Plane simplified model according to up-coiler, sets up rectangular coordinate system, from the beginning of winding head horizontal level, and side counterclockwise
To rotation, with 1 degree as step-length；
When volume pin turns over 0 °, the x coordinate of O point is 0, and y-coordinate is 0, as shown in Figure 3；
When volume pin turns over 1 °, the x coordinate of O point is-r+vt+r*cos (wt), and y-coordinate is r*sin (wt), as shown in Figure 4；
When volume pin turns over 90 °, the x coordinate of O point is-r+90 ° of * vt+r*cos (90 ° of * wt), and y-coordinate is r*sin (90 ° of *
wt)；
When volume pin turns over n °, the x coordinate of O point is-r+nvt+r*cos (nwt), and y-coordinate is r*sin (nwt), such as Fig. 5 institute
Show；
When volume pin turns over 180 °, the x coordinate of O point is 0, and y-coordinate is 0；
Heart-shaped movement locus as shown in Figure 1 is formed so that coiling material level all the time by square volume pin center spool,
Can be realized by two ways:
(1) center of square volume pin is fixed in spool in the heart, and spool is centrally mounted on cam.Design calculates cam
Contour shape, directly forms the heart-shaped track for spool center in the present invention.Spool centrode meets
Abscissa x=-r+nvt+r*cos (nwt), and
Vertical coordinate y=r*sin (nwt) relation.
When volume pin turns over 0 °, the x coordinate of O point is 0, and y-coordinate is 0, as shown in Figure 3；
When volume pin turns over 1 °, the x coordinate of O point is-r+vt+r*cos (wt), and y-coordinate is r*sin (wt), as shown in Figure 4；
When volume pin turns over n °, the x coordinate of O point is-r+nvt+r*cos (nwt), and y-coordinate is r*sin (nwt), such as Fig. 5 institute
Show；
The circular motion of square volume pin by motor control, angular velocity is
The time that square volume pin is 1 ° every turn is
The average winding speed of coiling material is
Coiling material and its winding point of penetration remain level.
(2) center of square volume pin is fixed in spool in the heart, and the Kinematic Decomposition of spool central point is X and Y both direction
On motion, two motors drive respectively, by regulating the rotating speed of two motors, spool centrode in the synthesis present invention
Heart-shaped motion.
X-direction by motor control, spool center abscissa is
X=-r+nvt+r*cos (nwt)
Vertical coordinate
Y=r*sin (nwt)
When volume pin turns over 0 °, the x coordinate of O point is 0, and y-coordinate is 0, as shown in Figure 3；
When volume pin turns over 1 °, the x coordinate of O point is-r+vt+r*cos (wt), and y-coordinate is r*sin (wt), as shown in Figure 4；
When volume pin turns over n °, the x coordinate of O point is-r+nvt+r*cos (nwt), and y-coordinate is r*sin (nwt), such as Fig. 5 institute
Show；
The circular motion of square volume pin by motor control, angular velocity is
The time that square volume pin is 1 ° every turn is
The average winding speed of coiling material is
Coiling material and its winding point of penetration remain level.
Above in association with accompanying drawing, embodiments of the present invention are described in detail, but the present invention is not limited to described reality
Execute mode.For those of ordinary skill in the art, in the range of the principle and technological thought of the present invention, these are implemented
Mode carries out multiple change, revises, replaces and deformation still falls within protection scope of the present invention.
Claims (7)
1. a lithium battery pole slice auto reeling method, it is characterised in that: square volume pin central shaft is diametrically according to heart-shaped rail
Mark moves, and superposes with the circular motion of volume pin, makes coiling material level be involved in square volume pin evenly.
Lithium battery pole slice auto reeling method the most according to claim 1, it is characterised in that: solving of described heart-shaped track
Comprise the following steps:
Step 1, obtains the coordinate formula of unspecified angle spool central point O；
Step 2, draws centrode image based on MATLAB software.
Lithium battery pole slice auto reeling method the most according to claim 2, it is characterised in that: described step 1 includes setting up
Plane vector relation, the rectangular coordinate system that specifically calculates and set up of spool centrode solve.
Lithium battery pole slice auto reeling method the most according to claim 3, it is characterised in that: the concrete mistake of described step 1
Journey is as follows:
1.1 according to the frame for movement feature of winder winding shaft portion, sets up plane vector relation:
If currently volume pin midpoint is O, thin film point of penetration is O3, roll up pin radius OO3Being variable, modular invariance, direction the most uniformly changes
Become；
O1For a permanent datum on up-coiler, O2For thin film exit point, O1O2The most constant for constant, mould and direction；
O2O3For variable, direction is constant, and mould changes over；
O1O is that variable, mould and direction all change；
At arbitrary given time, O1O2For constant, it is known that；
O2O3For variable, mould can be obtained, and direction is fixed, it is known that；
OO3Being variable, direction can be obtained, and mould is fixed, it is known that；
O1O is variable, all can obtain according to vector triangle, mould and direction, and spool center may determine that；
Specifically being calculated as follows of 1.2 spool centrodes:
If the time that square winding head rotates a circle is T, cross sectional radius is r,
Then electric machine rotation angular velocity is
Time needed for once often rotating is T/360 °；
Coiling material remains that horizontal movement state, the square every half rotation of volume pin are a cycle
Then the average speed of coiling material motion is
1.3 vector plane models based on up-coiler, set up rectangular coordinate system, from the beginning of winding head horizontal level, and side counterclockwise
To rotation, with 1 degree as step-length, solve the coordinate figure of central point O；
When volume pin turns over 0 °, the x coordinate of O point is 0, and y-coordinate is 0；
When volume pin turns over 1 °, the x coordinate of O point is-r+vt+r*cos (wt), and y-coordinate is r*sin (wt)；
When volume pin turns over 90 °, the x coordinate of O point is-r+90 ° of * vt+r*cos (90 ° of * wt), and y-coordinate is r*sin (90 ° of * wt)；
When volume pin turns over n °, the x coordinate of O point is-r+nvt+r*cos (nwt), and y-coordinate is r*sin (nwt)；
When volume pin turns over 180 °, the x coordinate of O point is 0, and y-coordinate is 0；
Analyze and understand, the spool center of any instant
X coordinate is-r+nvt+r*cos (nwt)
Y-coordinate is r*sin (nwt),
Wherein
Then the coordinate of any instant spool center O point is unrelated with cycle T, the most relevant with the radius r of square volume pin.
Lithium battery pole slice auto reeling method the most according to claim 2, it is characterised in that: the concrete mistake of described step 2
Journey is as follows:
Based on MATLAB software programming, draw different square volume pin radius r, a series of curves of spool centrode, its program
Particularly as follows:
Define square volume pin r and be respectively 20mm, 40mm, 60mm；
The time of 1 ° every turn；
The average winding speed of coiling material；
Square volume pin rotational angular velocity；
N=0: 1: 180, rotational angle is from 0 ° to 180 °；
X=-r+nvt+r*cos (nwt), the abscissa of central point O；
Y=r*sin (nwt), the vertical coordinate of central point O；
(x y), calls plot () instruction and draws the trace image of central point O Plot；
The track of central point O is a series of heart shape diagram pictures, and image is only relevant with volume pin radius, and radius is the biggest, and heart shape diagram picture is the biggest.
Lithium battery pole slice auto reeling method the most according to claim 1, it is characterised in that: the center of square volume pin is fixed
, spool is centrally mounted on cam in spool in the heart, and the contour shape of described cam is for forming the heart-shaped fortune at spool center
Dynamic track.
Lithium battery pole slice auto reeling method the most according to claim 1, it is characterised in that: the center of square volume pin is fixed
, the Kinematic Decomposition of spool central point is the motion in X and Y both direction in spool in the heart, two motors drive respectively, logical
Overregulate the rotating speed of two motors, the heart-shaped motion of synthesis spool centrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517072.2A CN106140870B (en) | 2016-07-04 | 2016-07-04 | Lithium battery pole slice auto reeling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517072.2A CN106140870B (en) | 2016-07-04 | 2016-07-04 | Lithium battery pole slice auto reeling method |
Publications (2)
| Publication Number | Publication Date |
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| CN106140870A true CN106140870A (en) | 2016-11-23 |
| CN106140870B CN106140870B (en) | 2018-02-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246970A (en) * | 2007-02-16 | 2008-08-20 | 深圳市吉阳自动化科技有限公司 | Winding method of lithium ion battery coiled core |
| CN201528015U (en) * | 2009-08-14 | 2010-07-14 | 深圳市吉阳自动化科技有限公司 | Winding device for square battery |
| JP2012182046A (en) * | 2011-03-02 | 2012-09-20 | Toyota Motor Corp | Method of manufacturing electrode wound-body |
| CN104600348A (en) * | 2015-01-22 | 2015-05-06 | 深圳市微秒控制技术有限公司 | Self-learning winding device and method |
| CN204885328U (en) * | 2015-07-07 | 2015-12-16 | 李震祺 | Square lithium ion battery electric core of convoluteing |
-
2016
- 2016-07-04 CN CN201610517072.2A patent/CN106140870B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246970A (en) * | 2007-02-16 | 2008-08-20 | 深圳市吉阳自动化科技有限公司 | Winding method of lithium ion battery coiled core |
| CN201528015U (en) * | 2009-08-14 | 2010-07-14 | 深圳市吉阳自动化科技有限公司 | Winding device for square battery |
| JP2012182046A (en) * | 2011-03-02 | 2012-09-20 | Toyota Motor Corp | Method of manufacturing electrode wound-body |
| CN104600348A (en) * | 2015-01-22 | 2015-05-06 | 深圳市微秒控制技术有限公司 | Self-learning winding device and method |
| CN204885328U (en) * | 2015-07-07 | 2015-12-16 | 李震祺 | Square lithium ion battery electric core of convoluteing |
Non-Patent Citations (1)
| Title |
|---|
| 彭碧: "全自动锂电池电芯卷绕机张力与纠偏控制关键技术研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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Granted publication date: 20180202 |