CN207116561U - A kind of special-shaped pole piece barrier film heat seal die - Google Patents

A kind of special-shaped pole piece barrier film heat seal die Download PDF

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Publication number
CN207116561U
CN207116561U CN201720988301.9U CN201720988301U CN207116561U CN 207116561 U CN207116561 U CN 207116561U CN 201720988301 U CN201720988301 U CN 201720988301U CN 207116561 U CN207116561 U CN 207116561U
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CN
China
Prior art keywords
pole piece
barrier film
special
shaped pole
heat seal
Prior art date
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CN201720988301.9U
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Chinese (zh)
Inventor
赖秀菱
陈福禄
沈志鸿
黄昌玥
邢雪坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN XINGNENG ENERGY TECHNOLOGY CO LTD
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KUNSHAN XINGNENG ENERGY TECHNOLOGY CO LTD
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Priority to CN201720988301.9U priority Critical patent/CN207116561U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a kind of special-shaped pole piece barrier film heat seal die, including upper die and lower die and alignment device, the mold has raised edge-melting corresponding with profiled shape, the lower mould has groove corresponding with pole piece geomery and the hot pressing plane being epitaxially formed along the groove trough rim, the hot pressing plane and the edge-melting position correspondence, the hot pressing planar thickness is more than the edge-melting thickness, the upper mould and the lower mould use, and there is heat transfer material to be made, the alignment device is para-position light source, and the para-position light source is located in the groove.The utility model can improve the pole piece contraposition degree of accuracy and contraposition efficiency.

Description

A kind of special-shaped pole piece barrier film heat seal die
Technical field
A kind of special-shaped pole piece barrier film heat seal die is the utility model is related to, belongs to technical field of lithium batteries.
Background technology
In the battery manufacture of stacking-type, all pole pieces must be separated by barrier film, during separating, pole piece and every Film is also possible to have the possibility of relative movement.Prior art CN202434607U provides a kind of heat-sealing barrier film bag frock, Sealed by the top board and lower platen that are rotatably connected, barrier film is carried out by barrier film positioning baffle and left side baffle plate Contraposition, but following problem be present, when it is undesirable for the fixed effect of different-thickness pole piece barrier film, second, heat-sealing When, due to blocking, it is necessary to sealed twice for positioning baffle, it is necessary to which positioning baffle is taken out after once sealing, then kept off The heat-sealing of side, operating efficiency are relatively low where plate.
The content of the invention
Technical problem to be solved in the utility model, which is to provide one kind, can improve the contraposition degree of accuracy and contraposition efficiency Special-shaped pole piece barrier film heat seal die.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of special-shaped pole piece barrier film heat seal die, including upper die and lower die and alignment device, the mold have and abnormity Raised edge-melting corresponding to shape, the lower mould have groove corresponding with pole piece geomery and along the groove trough rim extensions The hot pressing plane of formation, the hot pressing plane and the edge-melting position correspondence, it is thick that the hot pressing planar thickness is more than the edge-melting Degree, the upper mould and the lower mould use, and there is heat transfer material to be made, and the alignment device is para-position light source, the contraposition Light source is located in the groove.
The para-position light source includes LED.
The para-position light source includes some LEDs, and some LEDs are distributed in the groove, is positioned for pole piece Contraposition show.
The edge-melting thickness is 0.05mm ~ 2.0mm.
The hot pressing planar thickness be 2.0mm and more than.
The upper mould and the lower mould are made of metal or metal alloy.
The beneficial effect that the utility model is reached:, can be by pole piece and two layers of barrier film using the combination settings of upper and lower mould Hot pressing is one group, pole piece is carried barrier film, avoids pole piece opposed diaphragm displacement in lamination process, reduce follow-up bit errors, adopt , can be quickly by pole piece according to the shadow position of light source projecting on lower floor's barrier film by the use of para-position light source as alignment device Aligned, improve the accuracy of contraposition.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the utility model upper die structure schematic diagram;
Fig. 3 is the utility model lower die structure schematic diagram.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
As shown in Figure 1, Figure 2, Figure 3 shows, the pole piece barrier film heat seal die of a kind of ear, including the upper mould that 3 upper moulds 1 form The lower module and the LED light group 3 in the lower groove of mould 2 that group, 3 lower moulds 2 form, the LED light group 3 can be big according to mould It is small voluntarily to adjust quantity and position, ensure drop shadow effect, the upper mould 1 has the raised edge-melting 11 of ear, the lower mould 2 Centre has a groove consistent with pole piece size, and the groove trough rim is epitaxially formed hot pressing plane, the hot pressing plane with it is described The upper-lower position of edge-melting 11 is corresponding, and the thickness of edge-melting 11 is 0.05mm ~ 2.0mm, and sealing fusible site area according to barrier film determines, The hot pressing planar thickness is more than the thickness of edge-melting 11, and thickness is connected for 2.0mm or more, or the hot pressing plane of multiple lower moulds 2 In flakes, maintained for lower floor's membrane surface, it is discontinuous to correspond to pole-piece pole-ear position on the edge-melting 11 and the hot pressing plane Connection, the upper mould 1 and the lower mould 2 are made of with heat transfer and temperature uniform material, can use metal or gold Belong to alloy, such as copper, iron, steel, aluminium ... material, the LED light group 3 is spliced into U-shaped, may be used to indicate pole piece placement positioning.Make Used time, two layers of barrier film is between upper mould 1 and lower mould 2, after starting LED light group 3, according to shadow of the LED light group 3 on lower floor's barrier film Position, insertion pole piece is aligned, then carries out hot pressing program, you can completes the viscous operation of barrier film hot melt.Pole piece is by two layers of barrier film bag Cover, make between pole piece and barrier film will not relative displacement or limiting displacement, can effectively improve the security performance of battery, heat seal process It is high to align accuracy, it is easy to operate, quick.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change Enter and deform and also should be regarded as the scope of protection of the utility model.

Claims (6)

1. a kind of special-shaped pole piece barrier film heat seal die, it is characterized in that, including upper mould(1), lower mould(2)And alignment device(3), institute State mould(1)With raised edge-melting corresponding with special-shaped pole piece shape(11), the lower mould(2)With with special-shaped pole piece shape chi Groove corresponding to very little and the hot pressing plane being epitaxially formed along the groove trough rim, the hot pressing plane and the edge-melting(11)Position Put correspondingly, the hot pressing planar thickness is more than the edge-melting(11)Thickness, the upper mould(1)And the lower mould(2)Using tool There is heat transfer material to be made, the alignment device(3)For para-position light source, the para-position light source is located in the groove.
2. a kind of special-shaped pole piece barrier film heat seal die according to claim 1, it is characterized in that, the para-position light source includes LED.
3. a kind of special-shaped pole piece barrier film heat seal die according to claim 2, it is characterized in that, if the para-position light source includes Dry LED, some LEDs are distributed in the groove, and the contraposition for pole piece positioning is shown.
4. a kind of special-shaped pole piece barrier film heat seal die according to claim 1, it is characterized in that, the edge-melting(11)Thickness is 0.05mm~2.0mm。
5. a kind of special-shaped pole piece barrier film heat seal die according to claim 1, it is characterized in that, the hot pressing planar thickness is 2.0mm and more than.
6. a kind of special-shaped pole piece barrier film heat seal die according to claim 1, it is characterized in that, the upper mould(1)And institute State lower mould(2)It is made of metal or metal alloy.
CN201720988301.9U 2017-08-09 2017-08-09 A kind of special-shaped pole piece barrier film heat seal die Active CN207116561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720988301.9U CN207116561U (en) 2017-08-09 2017-08-09 A kind of special-shaped pole piece barrier film heat seal die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720988301.9U CN207116561U (en) 2017-08-09 2017-08-09 A kind of special-shaped pole piece barrier film heat seal die

Publications (1)

Publication Number Publication Date
CN207116561U true CN207116561U (en) 2018-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720988301.9U Active CN207116561U (en) 2017-08-09 2017-08-09 A kind of special-shaped pole piece barrier film heat seal die

Country Status (1)

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CN (1) CN207116561U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110676437A (en) * 2019-10-17 2020-01-10 深圳吉阳智能科技有限公司 Special-shaped pole piece bag making method and diaphragm bagged special-shaped pole piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110676437A (en) * 2019-10-17 2020-01-10 深圳吉阳智能科技有限公司 Special-shaped pole piece bag making method and diaphragm bagged special-shaped pole piece

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