A kind of lithium battery diaphragm length control device and its fixed length cutting method[technical field]
The present invention relates to a kind of lithium battery diaphragm length control device and its fixed length cutting method.
[background technology]
Lithium ion battery is compared with the other kinds of batteries such as plumbic acid, cadmium nickel with capacity is big, operating voltage is high, charging is fastDegree is fast, operating temperature range is wide, have extended cycle life, small volume, it is lightweight the advantages of.Current lithium ion battery is widely used toThe fields such as mobile phone, notebook computer, electric tool, and its range of application is more and more extensive.
Be assembled together for both positive and negative polarity pole piece and barrier film by the way of winding or lamination typically by lithium ion battery, andPercentage of batteries is using winding by hand.Need according to the length of design technology to cut barrier film in advance before winding by hand, it is generalBarrier film guillotine is constituted by putting diaphragm axis, receiving barrier film rotating disk and support, have on barrier film rotating disk is received several can be straight along rotating diskThe diaphragm support axle of routing method movement, cuts before barrier film, it is necessary to first gone to measure the length that several support shafts are enclosed with tape measure, mobileSupport shaft makes it enclose length and reach to fix support shaft after the length that barrier film needs cut again, the method consumption of this kind of regulation support shaftIt is time-consuming, and cause size inaccurate because the elasticity control of tape measure is bad.Now it is badly in need of changing existing barrier film guillotineMake upgrading, it is ensured that the accuracy of barrier film cutoff length, and improve the efficiency of debugging.
[content of the invention]
Instant invention overcomes the deficiency of above-mentioned technology, there is provided a kind of lithium battery diaphragm length control device and its fixed length side of cuttingMethod, it is easy to lithium battery diaphragm fixed length to cut out.
To achieve the above object, present invention employs following technical proposal：
A kind of lithium battery diaphragm length control device, includes base 7, and the base 7 is provided with first support 6 and second support8, the first support 6 be provided with for for lithium battery diaphragm volume 10 be arranged thereon put diaphragm axis 9, the second support 8Receipts barrier film rotating disk 5 is provided with, the receipts barrier film rotating disk 5 is provided with radius all for R is used to be wound thereon for lithium battery diaphragm 11The first semicircle support shaft 1 and the second semicircle support shaft 2, the receipts barrier film rotating disk 5 is provided with to be easy to make the first semicircle branchThe support semicircle support shaft 2 of axle 1 and second moves the gathering sill 4 of regulation along same straight line, described the first half after mobile regulationThe circle semicircle support shaft 2 of support shaft 1 and second is fixed on the gathering sill 4 by fixture 3, is set on the receipts barrier film rotating disk 5Have and the straight line parallel or the graduation mark for overlapping 12, the center of circle 14 and the starting point of the graduation mark 12 on the receipts barrier film rotating disk 5Line is perpendicular to the graduation mark 12, starting point institute target scale value S (0) of the graduation mark 12=2*PI*R, on the graduation mark 12Starting point both sides remaining point X institutes' target scale value S (X) are the point X from 4 times of starting point distance L along with S (0), i.e. S (X)=4*L+2*PI*R。
A kind of lithium battery diaphragm length control device as described above, the fixture 3 is lock-screw.
A kind of lithium battery diaphragm length control device as described above, it is characterised in that described device is also included for drivingState and receive the motor that barrier film rotating disk 5 is rotated.
A kind of lithium battery diaphragm length control device as described above, the place straight line of the gathering sill 4 is by the center of circle 14, instituteState the first semicircle support shaft 1 and the second semicircle support shaft 2 and move regulation along same diameter on barrier film rotating disk 5 is received.
A kind of lithium battery diaphragm length control device as described above, the gathering sill 4 is two sections, and it is located at 14 liang of the center of circle respectivelySide.
As described above, this case also discloses a kind of fixed length cutting method of lithium battery diaphragm length control device, include as followsStep：
The length S (X) that step 601, user's selection fixed length of lithium battery diaphragm 11 cut；
Step 602, the first semicircle support shaft 1 is moved to the side scale value of the graduation mark 12 be S (X) positionThe position that the opposite side scale value of the graduation mark 12 is S (X) is moved to by the second semicircle support shaft 2, then by solidDetermine part 3 to fix the first semicircle support shaft 1 and the second semicircle support shaft 2 and make the upper half arc surface of the first semicircle support shaft 1 andThe upper half arc surface of two semicircle support shaft 2 is opposite, so that the semicircle cambered surface seamed edge 11 and second in the first semicircle support shaft 1Semicircle cambered surface seamed edge 21 in semicircle support shaft 2 is the aligned in position of S (X) all with scale value；
Step 603, lithium battery diaphragm 11 is wrapped in the first semicircle support shaft 1 and the periphery of the second semicircle support shaft 2,Then rotate and stop after receiving some circles of barrier film rotating disk 5；
Step 604, the lithium battery diaphragm 11 of some circles is cut out, it is the lithium battery diaphragm of S (X) to form some block lengths11。
A kind of fixed length cutting method of lithium battery diaphragm length control device as described above, in step 603, during winding, firstThe free end of the lithium battery diaphragm 11 is sticked at the plane 22 in the second semicircle support shaft 2 by adhesive plaster.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, it is all the first semicircle support shaft and the second semicircle support of R barrier film rotating disk to be received described in this case and is provided with radiusAxle, the first semicircle support shaft and the second semicircle support shaft can be moved with adjusting position on gathering sill, in this way, actually usedWhen, can just control lithium battery diaphragm to be wrapped in the first half by the position for adjusting the first semicircle support shaft and the second semicircle support shaftThe physical length S (X) made a circle outside circle support shaft and the second semicircle support shaft, separately, the receipts barrier film rotating disk is provided with specialGraduation mark, in this way, being easy to adjust the position of the first semicircle support shaft and the second semicircle support shaft, its is easy to use, and this case need notMeasurement lithium battery diaphragm is gone to be wrapped in the reality made a circle outside the first semicircle support shaft and the second semicircle support shaft with other instrumentsLength S (X), is easy to lithium battery diaphragm fixed length to cut.
2nd, straight line where the gathering sill is by the center of circle, the first semicircle support shaft and the second semicircle support shaft edgeReceive same diameter on barrier film rotating disk and move regulation, in this way, when the receipts barrier film rotating disk is rotated, being conducive to reducing biasThe generation of power, is easy to the stability for rotating.
3rd, the fixed length regulation of this case fixed length cutting method is directly perceived quick, the semicircle cambered surface in the first semicircle support shaftSeamed edge is the semicircle cambered surface seamed edge in the aligned in position and the second semicircle support shaft of S (X) and quarter with side scale value on graduation markDegree line on opposite side scale value for S (X) aligned in position when, the lithium battery diaphragm be wrapped in the first semicircle support shaft andThe desired length that made a circle outside second semicircle support shaft is equal to 4*L+2*PI*R, i.e., it just cuts with lithium battery diaphragm fixed lengthLength S (X) is equal, in this way, this case is easy to the length S (X) cut according to lithium battery diaphragm fixed length and graduation mark directly to adjustThe position of the first semicircle support shaft and the second semicircle support shaft, its fixed length regulation is directly perceived quick, and lithium battery diaphragm is wrapped inCut out out after some circles of the first semicircle support shaft and the second semicircle support shaft periphery, obtain the lithium that some block lengths are S (X)Battery diaphragm, it is conducive to improving operating efficiency.
When the 4th, winding, the lithium battery diaphragm free end is first passed through at the plane that adhesive plaster is sticked in the second semicircle support shaft,In this way, it is tight to wind during in order to rotating lithium battery diaphragm.
[brief description of the drawings]
Fig. 1 is the structural representation of this case, and dotted line is lithium battery diaphragm in figure.
[specific embodiment]
Feature of present invention and other correlated characteristics are described in further detail by embodiment below in conjunction with accompanying drawing, so as toIn the understanding of technical staff of the same trade：
As shown in figure 1, a kind of lithium battery diaphragm length control device, includes base 7, the base 7 is provided with first support 6With second support 8, the first support 6 be provided with for for lithium battery diaphragm volume 10 be arranged thereon put diaphragm axis 9, it is describedSecond support 8 is provided with receipts barrier film rotating disk 5, and the receipts barrier film rotating disk 5 is provided with radius all for R is used to be twined for lithium battery diaphragm 11Around the first semicircle support shaft 1 and the second semicircle support shaft 2 thereon, the receipts barrier film rotating disk 5 is provided with is easy to make described theOne semicircle support shaft 1 and the second semicircle support shaft 2 move the gathering sill 4 of regulation, institute after mobile regulation along same straight lineState the first semicircle support shaft 1 and the second semicircle support shaft 2 is fixed on the gathering sill 4 by fixture 3, the receipts barrier film turnsDisk 5 is provided with and the straight line parallel or the graduation mark for overlapping 12, the center of circle 14 and the graduation mark 12 on the receipts barrier film rotating disk 5The line of starting point is perpendicular to the graduation mark 12, starting point institute target scale value S (0) of the graduation mark 12=2*PI*R, the scaleStarting point both sides remaining point X institutes' target scale value S (X) are the point X from 4 times of starting point distance L along with S (0), i.e. S (X) on line 12=4*L+2*PI*R.
As described above, receive barrier film rotating disk 5 described in this case to be provided with radius is all the first semicircle support shaft 1 of R and theTwo semicircle support shafts 2, the first semicircle support shaft 1 and the second semicircle support shaft 2 can be moved with adjusting position on gathering sill 4,In this way, when actually used, lithium battery can be just controlled by the position for adjusting the first semicircle support shaft 1 and the second semicircle support shaft 2Barrier film 11 is wrapped in the physical length S (X) made a circle outside the first semicircle support shaft 1 and the second semicircle support shaft 2, separately, the receiptsBarrier film rotating disk 5 is provided with special graduation mark 12, in this way, being easy to adjust the first semicircle support shaft 1 and the second semicircle support shaft 2Position, its is easy to use, and this case with other instruments without going measurement lithium battery diaphragm 11 to be wrapped in the first semicircle support shaft 1 and theThe physical length S (X) made a circle outside two semicircle support shafts 2, is easy to the fixed length of lithium battery diaphragm 11 to cut.
As described above, during specific implementation, the fixture 3 is lock-screw.
As described above, during specific implementation, described device also includes the electricity for driving the receipts barrier film rotating disk 5 to rotateMachine.
As described above, during specific implementation, the place straight line of the gathering sill 4 is by the center of circle 14, the first semicircle branchThe support semicircle support shaft 2 of axle 1 and second moves regulation along same diameter on barrier film rotating disk 5 is received, in this way, rotating the receiptsDuring barrier film rotating disk 5, be conducive to reducing the generation of eccentric force, be easy to the stability for rotating.
As described above, during specific implementation, the gathering sill 4 is two sections, and it is located at the both sides of the center of circle 14 respectively.
As described above, this case also discloses a kind of fixed length cutting method of lithium battery diaphragm length control device, include as followsStep：
The length S (X) that step 601, user's selection fixed length of lithium battery diaphragm 11 cut；
Step 602, the first semicircle support shaft 1 is moved to the side scale value of the graduation mark 12 be S (X) positionThe position that the opposite side scale value of the graduation mark 12 is S (X) is moved to by the second semicircle support shaft 2, then by solidDetermine part 3 to fix the first semicircle support shaft 1 and the second semicircle support shaft 2 and make the upper half arc surface of the first semicircle support shaft 1 andThe upper half arc surface of two semicircle support shaft 2 is opposite, so that the semicircle cambered surface seamed edge 11 and second in the first semicircle support shaft 1Semicircle cambered surface seamed edge 21 in semicircle support shaft 2 is the aligned in position of S (X) all with scale value；
Step 603, lithium battery diaphragm 11 is wrapped in the first semicircle support shaft 1 and the periphery of the second semicircle support shaft 2,Rotate and stop after receiving some circles of barrier film rotating disk 5；
Step 604, the lithium battery diaphragm 11 of some circles is cut out, it is the lithium battery diaphragm of S (X) to form some block lengths11。
As described above, the fixed length regulation of this case fixed length cutting method is directly perceived quick, when in the first semicircle support shaft 1Semicircle cambered surface seamed edge 11 is the semicircle in the aligned in position and the second semicircle support shaft 2 of S (X) with side scale value on graduation mark 12When cambered surface seamed edge 21 is with the aligned in position that opposite side scale value on graduation mark 12 is S (X), the lithium battery diaphragm 11 is wrapped in instituteThe desired length that made a circle outside the first semicircle support shaft 1 and the second semicircle support shaft 2 is stated equal to 4*L+2*PI*R, i.e., its just withThe length S (X) that the fixed length of lithium battery diaphragm 11 cuts is equal, in this way, the length cut according to the fixed length of lithium battery diaphragm 11 is easy in this caseSpend S (X) and graduation mark 12 directly to adjust the position of the first semicircle support shaft 1 and the second semicircle support shaft 2, its fixed length is adjustedSection is directly perceived quick, after lithium battery diaphragm 11 is wrapped in the first semicircle support shaft 1 and the peripheral some circles of the second semicircle support shaft 2Cut out out, obtain the lithium battery diaphragm 11 that some block lengths are S (X), it is conducive to improving operating efficiency.
As described above, during specific implementation, in step 603, during winding, the free end of the lithium battery diaphragm 11 first passes through glueCloth is sticked at the plane 22 in the second semicircle support shaft 2, in this way, making lithium battery diaphragm 11 wind tightly during in order to rotating.
As described above, this case protection is a kind of lithium battery diaphragm length control device and its fixed length cutting method, all and thisThe same or like technical scheme of case structure should all be shown as falling into the protection domain of this case.