CN102237544A - Producing device of reeling component - Google Patents
Producing device of reeling component Download PDFInfo
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- CN102237544A CN102237544A CN2010102258611A CN201010225861A CN102237544A CN 102237544 A CN102237544 A CN 102237544A CN 2010102258611 A CN2010102258611 A CN 2010102258611A CN 201010225861 A CN201010225861 A CN 201010225861A CN 102237544 A CN102237544 A CN 102237544A
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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
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Abstract
The invention relates to a producing device of a reeling component, which aims to not to reduce productivity, enables the insertion of an electrode foil to be synchronous with the movement of a separator with good precision, and prevents faults during the insertion of the electrode foil. The producing device comprises a winding core which reels a positive electrode foil, a negative electrode foil and two separators, a contact roller having a circular cross section. One end of the contact roller contacts with a separator, and the other end clamps two separators between the contact roller and the winding core. When conducting reeling, the roller rotates corresponding to the movement of a separator. The producing device also comprises an electrode foil insertion mechanism which inserts at least one electrode foil between the separators clamped between the reeling core and the contact roller, an encoder capable of detecting the rotation speed of the contact roller, and a control mechanism which controls the motion of the electrode foil insertion mechanism based on the detection speed of the encoder. Based on a speed consistent with the rotation speed of the outer periphery of the contact roller, the insertion of the electrode foil can be conducted.
Description
Technical field
The present invention relates to make the manufacturing installation that a kind of winding element that is built in the rechargeable battery is used.
Background technology
For example, a kind of winding element that is used for the rechargeable battery of lithium ion battery, it constitutes by following manner.This mode is: coiling positive electrode paper tinsel and negative electrode foil and two shoestring that separator forms, this positive electrode paper tinsel and negative electrode foil are coated on the surface by active material.
In the past, people know the volume core that self central shaft is rotated as rotating shaft, relatively this volume core supply with successively separator, negative electrode foil and positive electrode paper tinsel technology (such as, with reference to patent documentation 1 etc.) conduct be used to the to reel mode of shoestring acquisition winding element.Particularly, make volume core rotation, two separators are wound on the core according to a certain degree, then, between the inner peripheral surface of the outer peripheral face of a separator and another separator, the insertion negative electrode foil.And, after inserting negative electrode foil, between the outer peripheral face of the inner peripheral surface of a separator and another separator, insert the positive electrode paper tinsel, by batching two separators and two electrode foils, thereby can obtain winding element.In addition, two electrode foils of insertion are all rotating at the volume core respectively and are carrying out.
Patent documentation
Patent documentation 1: TOHKEMY 2009-64686 document
Summary of the invention
But, when in the rotation of volume core, inserting electrode foil, if the insertion speed of the translational speed of separator and electrode foil inconsistent (asynchronous), then can produce following situation, that is, fold taking place in electrode foil, produces the skew of reeling, or between the top of the top of positive electrode paper tinsel part and negative electrode foil part, produce dislocation, cause the instability of battery performance.So people consider, on the rotating shaft of volume core encoder are set,, set the insertion speed of electrode according to the rotary speed of the volume core that obtains by this encoder.
But according to the kind difference of the winding element of making, size, the shape of volume core are also variant.So, in order to insert electrode foil by the way, so that with to batch separator synchronous, must be at every kind of volume core of different size, shape, intricately is adjusted the setting of insertion speed, consequently can cause productivity to reduce.In addition, in aforesaid way, owing to batch the influence of the thickness of the separator on the volume core, the insertion speed of electrode foil and the translational speed of separator are easy to generate difference, and above-mentioned fault still takes place easily.
The present invention be directed to such situation proposes, the objective of the invention is to can not cause productive reduction, and provide a kind of manufacturing installation of winding element, this manufacturing installation can make the insertion of electrode foil synchronous with the action of good precision and separator, can prevent the fault that produces when inserting electrode foil effectively.
Subitem describes each technical scheme that is suitable for solving above-mentioned purpose below.In addition, as required, in the corresponding techniques scheme, with distinctive action effect.
The volume core, it rotates as rotating shaft with self central shaft, batches above-mentioned two electrode foils and above-mentioned two separators in periphery;
The touch roll that the cross section is rounded, it contacts with the outer peripheral face of a separator in above-mentioned two separators on one side, on one side at least its with above-mentioned volume core between above-mentioned two separators of clamping, and this roller is when take-up, rotates corresponding to the mobile of an above-mentioned separator;
Electrode foil inserts mechanism, and it inserts the top portion of at least one electrode foil in above-mentioned two electrode foils between two separators that are held between above-mentioned volume core and the above-mentioned touch roll;
Speed testing agency, it can detect the rotary speed of above-mentioned touch roll;
Controlling organization, it controls the action that above-mentioned electrode foil inserts mechanism according to the detection speed of above-mentioned speed testing agency;
According to the consistent insertion speed of rotary speed of the outer peripheral portion of above-mentioned touch roll, can insert the above-mentioned electrode foil that inserts mechanism from above-mentioned electrode foil.
In addition, " two separators " not only is expressed as independent separator respectively, and comprises the mode by forming such as crooked two foldings of mid portion etc., is expressed as the separator of one.That is, separator is also passable from inside and outside two face holding electrode paper tinsels.
By technique scheme 1, according to contacting with the outer peripheral face of separator when batching,, at least one electrode foil can be inserted between two separators by the speed of the rotary speed unanimity of the outer peripheral portion of the mobile touch roll that is rotated of separator.So even under the situation of the volume core that adopts different size, shape, at each various volume core, intricately is not adjusted the setting of insertion speed, can insert electrode foil accordingly with the translational speed of separator.In addition, because the rotary speed of touch roll is considered the thickness of separator, so can good precision make the action of the insertion of electrode foil and separator synchronous.That is,, can not cause productive reduction, can seek to prevent the fold of electrode foil, and precision that can be good is with the position alignment of the top part of two electrode foils according to technique scheme 1.Consequently, the unstable properties that can seek to improve qualification rate, suppresses winding element.
In addition, the volume core outer peripheral portion (being wound with the part of separator, electrode foil) axle vertical direction cross sectional shape for the circle (such as, elliptical shape or oblong shape, polygon-shaped, tabular etc.) occasion, promptly, if corresponding to the rotary speed of rolling up core, set the insertion speed of electrode foil, then technique scheme 1 for needs more intricately to adjust the occasion of setting of insertion speed effective especially.
Above-mentioned electrode foil inserts mechanism and comprises:
Negative electrode foil inserts mechanism, its between above-mentioned two separators by above-mentioned volume core and above-mentioned touch roll clamping, the top portion that inserts above-mentioned negative electrode foil;
The positive electrode paper tinsel inserts mechanism, its between above-mentioned two separators by above-mentioned volume core and above-mentioned touch roll clamping, the top portion that inserts above-mentioned positive electrode paper tinsel;
Insert mechanism by above-mentioned negative electrode foil and insert above-mentioned negative electrode foil and insert mechanism by above-mentioned positive electrode paper tinsel and insert these two insertions of above-mentioned positive electrode paper tinsel, carry out according to the insertion speed consistent with the rotary speed of the outer peripheral portion of above-mentioned touch roll.
By technique scheme 2, according to the speed consistent with the rotary speed of touch roll, the two is inserted into positive electrode paper tinsel and negative electrode foil between two separators.So, can more positively prevent from two electrode foils, to produce the situation of fold, and can be with the position alignment of better precision with the top part of two electrode foils.
It comprises the anglec of rotation testing agency of the anglec of rotation that detects above-mentioned volume core;
Based on the detection angles of above-mentioned anglec of rotation testing agency, can set by above-mentioned electrode foil and insert the moment that mechanism inserts above-mentioned electrode foil.
By technique scheme 3, because based on the anglec of rotation of rolling up core, can set by electrode foil and insert the moment that mechanism inserts electrode foil, insert precision constantly so can improve.Thus, can be further with the position alignment of good precision with the top part of two electrode foils, and can further suppress the unstable properties of winding element.
By technique scheme 4, because the niproll of holding electrode paper tinsel can be along the direction of the supply rotation of electrode foil, so from electrode foil being inserted the moment between the separator, electrode foil can be supplied with respect to the volume core.Thus, can more further positively prevent the dislocation of the top part of electrode foil.
In addition, owing to of supplying party in the opposite direction the rotation of niproll restriction edge with electrode foil, thus can apply tension force (that is) from end side to electrode foil on one side Yi Bian prevent the deflection of electrode foil, Yi Bian the holding electrode paper tinsel.So, can prevent positively further that electrode foil from producing the situation of fold.
Description of drawings
Fig. 1 is the front view of the surface structure of the manufacturing installation of expression winding element;
Fig. 2 is the enlarged front view of expression spooler etc.;
Fig. 3 is the part enlarged front view of the inserting step of expression positive electrode paper tinsel;
Fig. 4 is the part enlarged front view of the encoder etc. of another form of implementation of expression;
Fig. 5 is the generalized section of the structure of expression cell device.
Embodiment
With reference to the accompanying drawings, a form of implementation is described.
At first, the structure of the lithium iron cell element of the winding element that the manufacturing installation of the winding element by present embodiment is obtained describes.As shown in Figure 5, lithium iron cell element (calling " cell device " in the following text) 1 mode by coiling shoestring 6 constitutes, and this shoestring 6 is made of with negative electrode foil 5 two separators 2,3 and positive electrode paper tinsel 4.In addition, in Fig. 5, for convenience of explanation, according to separator 2,3, positive electrode paper tinsel 4 and negative electrode foil 5 spaced modes are represented.
Positive electrode paper tinsel 4 and negative electrode foil 5 form by the metal material of regulation, have and separator 2,3 essentially identical width.In addition, on inside and outside two faces of positive electrode paper tinsel 4, coating positive active material (such as, cobalt acid lithium particle etc.), on inside and outside two surfaces of negative electrode foil 5, the coating negative electrode active material (such as, contain the particle of silicon).And,, carry out the ion-exchange between positive electrode paper tinsel 4 and the negative electrode foil 5 via these active materials.Specifically, when charging, ion is from positive electrode paper tinsel 4 one side direction negative electrode foils 5 one side shiftings.In contrast, when discharge, ion is from negative electrode foil 5 one side direction positive electrode paper tinsels 4 one side shiftings.In addition, a plurality of positive wires of not expressing among the figure stretch out from Width one ora terminalis of positive electrode paper tinsel 4, and a plurality of negative wires of not expressing among the figure stretch out from another ora terminalis of Width of negative electrode foil 5.
When obtaining lithium ion battery, above-mentioned cell device 1 is arranged at metal tubular battery case (not expressing among the figure) inside, and compiles respectively above-mentioned positive wire and negative wire are arranged.And, the positive wire that compiles is connected with positive terminal parts (not expressing among the figure), the negative wire that compiles similarly is connected with negative terminal parts (not expressing among the figure), mode according to the both ends open of blocking above-mentioned electric container is provided with the two-terminal parts, thus, can obtain lithium ion battery.
Manufacturing installation 10 to the winding element that is used to make above-mentioned cell device 1 describes below.
As shown in Figure 1, the manufacturing installation 10 of winding element comprises the spooler 11 that is used to batch above-mentioned shoestring 6; Be used for positive electrode paper tinsel 4 is supplied with the positive electrode paper tinsel feed mechanism 12 of spooler 11 1 sides; Be used for negative electrode foil 5 is supplied with the negative electrode foil feed mechanism 13 of spooler 11 1 sides; Be used for above-mentioned separator 2,3 is supplied to respectively the separator feed mechanism 14,15 of spooler 11 1 sides.
Positive electrode paper tinsel feed mechanism 12 comprises positive electrode paper tinsel raw material 12A, and wherein, positive electrode paper tinsel 4 is reeled is web-like, with self central shaft as rotating shaft, but free rotary ground supporting.In addition, positive electrode paper tinsel 4 feeds to the path of spooler 11 from positive electrode paper tinsel raw material 12A, and by being used to support drive pulley P 1, the P2 of positive electrode paper tinsel 4, according to generally being that essentially identical mode is set, promptly positive electrode paper tinsel 4 generally is being to pass through on the essentially identical track.In addition, at the supply passageway of positive electrode paper tinsel 4 midway, be provided with and align the tension force that electrode foil 4 applies regulation, be used for preventing the lax positive electrode foil tension applying mechanism (figure does not express) of positive electrode paper tinsel 4.
In addition, also positive electrode paper tinsel automatic connecting mechanism (not expressing among the figure) can be set on positive electrode paper tinsel feed mechanism 12, this positive electrode paper tinsel automatic connecting mechanism positive electrode paper tinsel raw material 12A use do not have before, with the top portion of new positive electrode paper tinsel raw material 12A with use and do not have the terminal part of preceding positive electrode paper tinsel raw material 12A to be connected.By positive electrode paper tinsel automatic connecting mechanism is set, can realize continuous supply with respect to the positive electrode paper tinsel 4 of spooler 11.
Above-mentioned negative electrode foil feed mechanism 13 comprises negative electrode foil raw material 13A, and wherein, negative electrode foil 5 is reeled is web-like, but support with free rotation mode.In addition, negative electrode paper tinsel 5 is fed to the path of spooler 11 from negative electrode foil 13A, by being used to support drive pulley P 3, the P4 of negative electrode foil 5, according to generally being that essentially identical mode is set, promptly negative electrode foil 5 generally is being to pass through on the essentially identical track.In addition,, the tension force that negative electrode foil 5 is applied regulation is set at the supply passageway of negative electrode foil 5 midway, can be used for preventing the lax negative electrode foil tension-applying mechanism (not expressing among the figure) of negative electrode foil 5.
In addition, negative electrode foil automatic connecting mechanism (not expressing among the figure) is set on above-mentioned negative electrode foil feed mechanism 13,, can realizes continuous supply with respect to the negative electrode foil 5 of spooler 11 by this negative electrode foil automatic connecting mechanism.
Also have, separator feed mechanism 14 (15) comprises separator raw material 14A (15A), and wherein, above-mentioned separator 2 (3) is reeled is web-like, with self central shaft as rotating shaft, but free rotary ground supporting.In addition, separator 2 (3) is fed to the path of spooler 11 1 sides from this separator feed mechanism 14 (15), by drive pulley P 5 (P6, P7), according to generally being that essentially identical mode is set.In addition,, be provided for preventing the lax separator tension-applying mechanism (not expressing among the figure) of separator 2 (3) respectively at the supply passageway of separator 2 (3) midway.
Have again, separator feed mechanism 14 (15) comprises separator guiding mechanism and separator cutter (all not expressing among the figure) respectively, this separator guiding mechanism is used for separator 2 (3) guiding are supplied to spooler 11, this separator cutter is used for behind the coiling of shoestring 6, cuts off separator 2 (3).
In addition, as shown in Figure 2, spooler 11 has electrode foil and inserts mechanism 16, and this electrode foil inserts mechanism 16 and comprises: the positive electrode paper tinsel insertion mechanism 17 that is used for positive electrode paper tinsel 4 guiding are supplied to spooler 11; Be used for negative electrode foil 5 guiding are supplied to the negative electrode foil insertion mechanism 18 of spooler 11.
The positive electrode paper tinsel inserts mechanism 17 and constitutes according to leaving mobile mode with respect to spooler 11 joints, in addition, and at its leading section, but a pair of niproll 17R of the above-mentioned positive electrode paper tinsel 4 of setting clamping.Above-mentioned niproll 17R constitutes by unidirectional roll, and this unidirectional roll can be along the direction of the supply rotation of positive electrode paper tinsel 4, along not rotating with the opposite direction of the above-mentioned direction of the supply.When positive electrode paper tinsel 4 feeds to spooler 11 1 sides, by niproll 17R, the top portion of clamping positive electrode paper tinsel 4, make the positive electrode paper tinsel insert mechanism 17 near above-mentioned spooler 11, thus, insert the top portion of positive electrode paper tinsel 4 between by two separators 2,3 of volume core 21 described later and touch roll 22 clampings.In addition, the positive electrode paper tinsel inserts mechanism 17 and comprises positive electrode paper tinsel cutter (not expressing among the figure), this positive electrode paper tinsel cutter is behind the coiling of shoestring 6, be used to cut off positive electrode paper tinsel 4, and have curvature correction (not expressing among the figure), this curvature correction is used to prevent the situation of positive electrode paper tinsel 4 in the case of bending supply.
Negative electrode foil inserts mechanism 18 and constitutes according to leaving mobile mode with respect to spooler 11 joints, at its leading section, but a pair of niproll 18R of the above-mentioned negative electrode foil 5 of setting clamping.Above-mentioned niproll 18R also constitutes by unidirectional roll, and this unidirectional roll can be along the direction of the supply rotation of negative electrode foil 5, along not rotating with the opposite direction of the above-mentioned direction of the supply.When negative electrode foil 5 is fed to spooler 11 1 sides, by niproll 18R, the top portion of clamping negative electrode foil 5, and by making negative electrode foil insert mechanism 18 near spooler 11, thus, between two separators 2,3, insert the top portion of negative electrode foil 5 by volume core 21 and touch roll 22 clampings.In addition, negative electrode foil inserts mechanism 18 and comprises negative electrode foil cutter (not expressing among the figure), this negative electrode foil cutter is behind the coiling of shoestring 6, be used to cut off negative electrode foil 5, and have curvature correction (not expressing among the figure), this curvature correction is used to prevent the situation of negative electrode foil 5 in the case of bending supply.
In addition, above-mentioned spooler 11 comprises: the volume core 21 that can self central shaft rotates as rotating shaft; But crimping should be rolled up the touch roll 22 of the outer peripheral face of core 21.
The rounded shape in the cross section of touch roll 22, but this roller is supported on the supporting device 23 of regulation with free rotation mode.In addition, above-mentioned supporting device 23, can be along engaging the direction of leaving with respect to volume core 21, when constituting according to the mode of sliding, in the occasion that moves along direction with respect to 21 contacts of volume core, by the biasing mechanism (not expressing among the figure) of regulation, the mode of putting to central shaft one lateral deviation of volume core 21 constitutes.For this reason, in the batching of shoestring 6,, generally be the outer peripheral face contact that makes touch roll 22 with pressed state with respect to the outer peripheral face of separator 2, and then, can make the rotation of touch roll 22, the mobile phase of the separator of following with the rotation of volume core 21 2 is corresponding.And according to the bias force of giving supporting device 23, in the batching of shoestring 6, clamping has separator 2,3 or electrode foil 4,5 between volume core 21 and the touch roll 22.
In addition, in the present embodiment, spooler 11 comprises encoder 24 and controlling organization 25, and this encoder 24 can be used as the speed testing agency of the rotary speed that detects touch roll 22, and this controlling organization 25 is according to the detection speed of encoder 24 and the control electrode paper tinsel inserts the action of mechanism 16.Encoder 24 is arranged on the identical axle of rotating shaft with touch roll 22, when supporting device 23 grades mobile, follows touch roll 22 to move simultaneously.In addition, controlling organization 25 control positive electrode paper tinsels insert both action that mechanisms 17 and negative electrode foil insert mechanism 18, it constitutes the mode that two electrode foils 4,5 insert between the separators 2,3 according to following speed, and this speed be consistent with the rotary speed of the outer peripheral portion of the touch roll 22 of above-mentioned encoder 24 acquisitions.
Also have, in spooler 11, be provided as the angular sensor 26 of anglec of rotation testing agency of the anglec of rotation of the central shaft that is used to measure volume core 21.Based on the moment of the anglec of rotation of the volume core 21 that detects by angular sensor 26, above-mentioned controlling organization 25 is controlled the positive electrode paper tinsel according to mode between the separator 2,3 that positive electrode paper tinsel 4 is inserted into and is inserted mechanism 17.
Manufacture method to the cell device 1 of the manufacturing installation 10 that adopts above-mentioned winding element describes below.
At first, the top portion with separator 2,3 is arranged between the slit 21S of volume core 21 by above-mentioned separator guiding mechanism, the rotation that begins to roll up core 21, and separator 2,3 is only measured the periphery that is wound on core 21 according to the rules.In this form of implementation, from the moment that the coiling of separator 2,3 begins, encoder 24 begins to detect the rotary speed of volume core 21.
Then, behind niproll 18R clamping negative electrode foil 5, make negative electrode foil insert mechanism 18, between separator 2,3, insert the top portion of negative electrode foil 5 by volume core 21 and touch roll 22 clampings near volume core 21 1 sides.At this moment, according to the identical speed of rotary speed of the outer peripheral portion of the touch roll 22 that obtains according to above-mentioned encoder 24, negative electrode foil inserts mechanism 18 near volume core 21 1 sides, between separator 2,3, inserts negative electrode foil 5.After insertion, along with the rotation of volume core 21, the top part of negative electrode foil 5 is wound on the core 21.In addition, remove the clamping of niproll 18R to negative electrode foil 5.
Then, as shown in Figure 3, behind niproll 17R clamping positive electrode paper tinsel 4, according to the identical speed of rotary speed of the outer peripheral portion of the touch roll 22 that obtains according to above-mentioned encoder 24, make the positive electrode paper tinsel insert mechanism 17, the top portion of positive electrode paper tinsel 4 is inserted between the separator 2,3 near volume core 21 1 sides.In addition, the insertion of positive electrode paper tinsel 4 is set based on the anglec of rotation of the volume core 21 that detects by above-mentioned angular sensor 26 constantly, specifically, after the insertion of negative electrode paper tinsel 5, volume core 21 only according to the rules angle (such as, 360 °) when rotation, insert positive electrode paper tinsel 4.
After inserting positive electrode paper tinsel 4, remove the clamping of the positive electrode paper tinsel 4 of niproll 17R.And by the rotation of volume core 21, separator 2,3, positive electrode paper tinsel 4 and negative electrode foil 5 batch on the core 21 when pushing by touch roll 22.After batching end, cut off 2,3 and two electrode foils 4,5 of separator for the mode of the length of regulation by above-mentioned separator cutter and two electrode foil cutters according to separator 2,3 and two electrode foils 4,5.And, batch the relevant terminal part, thus, obtain above-mentioned cell device 1.
As above specifically described such, according to this form of implementation, contact with the outer peripheral face of separator 2, when the batching of shoestring 6, according to the consistent speed of rotary speed of the outer peripheral portion of the touch roll 22 of rotation corresponding to moving of separator 2, two electrode foils 4,5 are inserted between two separators 2,3.So, as this form of implementation,,, still can insert two electrode foils 4,5 corresponding to the translational speed of separator 2,3 without the setting of intricately adjustment insertion speed even adopting the cross section to be under the situation of elliptoid volume core 21.In addition, owing to the rotary speed of touch roll 22 is that thickness according to separator 2,3 etc. draws, so can make the action of the relative separator 2,3 of insertion of two electrode foils 4,5 synchronous with good precision.That is,, under the situation that does not cause productive decline, can seek to prevent the generation of the fold of electrode foil 4,5 according to this form of implementation, and the position of the top part of two electrode foils of accurate alignment that can be good 4,5.Consequently, can seek the raising of qualification rate and the unstable properties of inhibition cell device 1.
In addition, corresponding to the anglec of rotation of the volume core 21 that obtains by angular sensor 26, positive electrode paper tinsel 4 is inserted between the separator 2,3.Thus, precision that can be better is aimed at the top part of two electrode foils 4,5, can further suppress the unstable properties of cell device 1.
In addition, because niproll 17R, the 18R of holding electrode paper tinsel 4,5 can be along the direction of the supply rotations of electrode foil 4,5,, electrode foil 4,5 is fed to roll up core 21 so can be inserted into moment between the separator 2,3 from electrode foil 4,5.Thus, can further positively prevent the dislocation of the top part of electrode foil 4,5.
In addition, because niproll 17R, the 18R pair of supplying party's rotation in the opposite direction with electrode foil 4,5 limits, so can be on one side more positively electrode foil 4,5 be applied tension force (promptly by two electrode foil tension-applying mechanism etc., more positively prevent the deflection of electrode foil 4,5 on one side), on one side holding electrode paper tinsel 4,5.Consequently, can prevent positively further that electrode foil 4,5 from producing the situation of fold.
Also have, also can be not limited to the record content of above-mentioned form of implementation, such as following such enforcement.Obviously, also can be other application examples, the modification of not enumerating below.
(a) in above-mentioned form of implementation, the insertion speed of two electrode foils 4,5 is the rotary speed of the outer peripheral portion of touch roll 22, still, also can be at any person in the electrode foil 4,5, it is consistent with the rotary speed of the outer peripheral portion of touch roll 22 to insert it into speed.
(b) in above-mentioned form of implementation, the cross section oval in shape of volume core 21 still, can adopt the shape of the volume core of technical conceive of the present invention to be not limited to this.So also technical conceive of the present invention can be applied to have the cross section is that ellipse or cross section are the volume core of polygonal outer peripheral face, flat volume core for circular, cross section.
(c) in above-mentioned form of implementation, encoder 24 is arranged on the axle identical with the rotating shaft of touch roll 22, and still, the position that is provided with of encoder 24 is not limited to this.So, also can be as shown in Figure 4, encoder 27 is arranged at the position that the rotating shaft with touch roll 22 staggers, and sets up belt 28 between the rotating shaft of the rotating shaft of encoder 27 and touch roll 22.In addition, in this occasion, also encoder 27 can be fixed on the supporting device 23 directly or indirectly, corresponding to the action mobile encoder 27 of supporting device 23.
(d) in above-mentioned form of implementation, as positive active material, enumerated cobalt acid lithium particle, still, also can adopt such as, lithium nickelate, LiMn2O4 etc., other contain lithium metal oxide etc.In addition,, exemplify the particle that comprises fluorine etc., still,, also can adopt such as carbonaceous material etc. as negative electrode active material as negative electrode active material.
(e) in above-mentioned form of implementation, form separator 2,3 by PP, still, also can form separator 2,3 by other insulating material.
Claims (5)
1. the manufacturing installation of a winding element in this winding element, is banded positive electrode paper tinsel, negative electrode foil and two separators respectively and overlaps the ground coiling, it is characterized in that this manufacturing installation comprises:
The volume core, it rotates as rotating shaft with self central shaft, batches above-mentioned two electrode foils and above-mentioned two separators in periphery;
The touch roll that the cross section is rounded, it contacts with the outer peripheral face of a separator in above-mentioned two separators on one side, on one side at least its with above-mentioned volume core between above-mentioned two separators of clamping, and this touch roll is when take-up, rotates corresponding to the mobile of an above-mentioned separator;
Electrode foil inserts mechanism, and it inserts the top portion of at least one electrode foil in above-mentioned two electrode foils between two separators that are held between above-mentioned volume core and the above-mentioned touch roll;
Speed testing agency, it can detect the rotary speed of above-mentioned touch roll;
Controlling organization, it controls the action that above-mentioned electrode foil inserts mechanism according to the detection speed of above-mentioned speed testing agency;
According to the consistent insertion speed of rotary speed of the outer peripheral portion of above-mentioned touch roll, can insert the above-mentioned electrode foil that inserts mechanism from above-mentioned electrode foil.
2. the manufacturing installation of winding element according to claim 1 is characterized in that:
Above-mentioned electrode foil inserts mechanism and comprises:
Negative electrode foil inserts mechanism, its between above-mentioned two separators by above-mentioned volume core and above-mentioned touch roll clamping, the top portion that inserts above-mentioned negative electrode foil;
The positive electrode paper tinsel inserts mechanism, its between above-mentioned two separators by above-mentioned volume core and above-mentioned touch roll clamping, the top portion that inserts above-mentioned positive electrode paper tinsel;
Insert mechanism by above-mentioned negative electrode foil and insert above-mentioned negative electrode foil and insert mechanism by above-mentioned positive electrode paper tinsel and insert these two insertions of above-mentioned positive electrode paper tinsel, carry out according to the insertion speed consistent with the rotary speed of the outer peripheral portion of above-mentioned touch roll.
3. the manufacturing installation of winding element according to claim 1 is characterized in that:
It comprises the anglec of rotation testing agency of the anglec of rotation that detects above-mentioned volume core;
Can be according to the detection angles of above-mentioned anglec of rotation testing agency, the above-mentioned electrode foil of set basis insert mechanism above-mentioned electrode foil insertion constantly.
4. the manufacturing installation of winding element according to claim 2 is characterized in that:
It comprises the anglec of rotation testing agency of the anglec of rotation that detects above-mentioned volume core;
Can be according to the detection angles of above-mentioned anglec of rotation testing agency, set above-mentioned electrode foil insert mechanism above-mentioned electrode foil insertion constantly.
5. according to the manufacturing installation of any one described winding element in the claim 1~4, it is characterized in that:
But above-mentioned electrode foil inserts a pair of niproll that mechanism has the above-mentioned electrode foil of clamping;
Above-mentioned niproll can be along the direction of the supply of above-mentioned electrode foil and is rotated, on the other hand can not be along rotating in the opposite direction with above-mentioned supplying party.
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JP2010102846A JP5063736B2 (en) | 2010-04-28 | 2010-04-28 | Winding element manufacturing equipment |
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Cited By (5)
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CN103107354A (en) * | 2013-02-04 | 2013-05-15 | 深圳市赢合科技股份有限公司 | Core shaft type battery winding device, winding method and battery manufacturing method |
CN103247826A (en) * | 2012-02-08 | 2013-08-14 | Ckd株式会社 | Coiling device |
CN103579660A (en) * | 2012-07-30 | 2014-02-12 | Ckd株式会社 | Coiling device |
CN104953179A (en) * | 2014-03-24 | 2015-09-30 | Ckd株式会社 | Winding apparatus |
CN108931184A (en) * | 2017-03-29 | 2018-12-04 | Ckd株式会社 | Check device and winding device |
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KR101623716B1 (en) * | 2013-10-07 | 2016-05-24 | 주식회사 엘지화학 | Guide Roll Device Having Pressing Arms |
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JP2002270213A (en) * | 2001-03-14 | 2002-09-20 | Shimane Jidoki Kk | Take-up method and take-up device of band element for flat electronic component |
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Cited By (9)
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CN103247826A (en) * | 2012-02-08 | 2013-08-14 | Ckd株式会社 | Coiling device |
CN103247826B (en) * | 2012-02-08 | 2015-05-13 | Ckd株式会社 | Coiling device |
CN103579660A (en) * | 2012-07-30 | 2014-02-12 | Ckd株式会社 | Coiling device |
CN103579660B (en) * | 2012-07-30 | 2015-12-02 | Ckd株式会社 | Coiler device |
CN103107354A (en) * | 2013-02-04 | 2013-05-15 | 深圳市赢合科技股份有限公司 | Core shaft type battery winding device, winding method and battery manufacturing method |
CN103107354B (en) * | 2013-02-04 | 2015-03-25 | 深圳市赢合科技股份有限公司 | Core shaft type battery winding device, winding method and battery manufacturing method |
CN104953179A (en) * | 2014-03-24 | 2015-09-30 | Ckd株式会社 | Winding apparatus |
CN104953179B (en) * | 2014-03-24 | 2017-10-13 | Ckd株式会社 | Coiler device |
CN108931184A (en) * | 2017-03-29 | 2018-12-04 | Ckd株式会社 | Check device and winding device |
Also Published As
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JP2011233377A (en) | 2011-11-17 |
JP5063736B2 (en) | 2012-10-31 |
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