CN205692898U - Injection molding type lug automatic manufacturing device - Google Patents
Injection molding type lug automatic manufacturing device Download PDFInfo
- Publication number
- CN205692898U CN205692898U CN201620587846.4U CN201620587846U CN205692898U CN 205692898 U CN205692898 U CN 205692898U CN 201620587846 U CN201620587846 U CN 201620587846U CN 205692898 U CN205692898 U CN 205692898U
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- China
- Prior art keywords
- tab
- injection molding
- molding cavity
- metal tape
- injection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
This utility model provides a kind of injection molding type lug automatic manufacturing device, including the metal tape unreeling structure cooperated, tab master batch heating arrangements, tab injecting mechanism and finished product rolling-up mechanism, described tab injecting mechanism includes injection mold, and described injection mould closing forms tab injection molding cavity；During work, metal tape on metal tape unreeling machine arrives finished product rolling-up mechanism through tab injection molding cavity, tab melted in tab heating arrangements is injected lug injection molding cavity by the injection hole of tab injection molding cavity, and is coated on the metal tape upper and lower surface and outside entered in tab injection molding cavity.This utility model reduces the number of times that is heated of tab, optimizes the production process of lug, improves production efficiency, reduces production cost, improves quality product rate；Meanwhile, make tab be coated on the outside of metal tape by the way of injection, between tab and metal tape, do not have gap, it is to avoid the situation of lithium battery leakage, improve the safety of battery.
Description
Technical field
This utility model relates to soft package lithium ion cell polar ear production field, particularly relates to a kind of injection molding type lug automatic
Process units.
Background technology
As the one of clean energy resource, to have voltage high due to it for lithium battery, and the discharge and recharge life-span is long, environmental pollution little and
The plurality of advantages such as self-discharge rate is low, have been widely used in each electronic product, such as smart mobile phone, and notebook computer,
Digital camera and portable small-sized electrical equipment etc..
The structure of lithium battery is generally battery core and accommodates the pack case of battery core, and the front end of battery core is provided with derives the positive and negative of energy
Lug, in order to ensure the safety of battery, it is generally required to be provided with tab, to avoid the contact of positive and negative lug to cause on positive and negative lug
Short circuit.Actual industrial metaplasia produce in, the production stage of lug generally comprises feeding, pole piece preheats, rubberizing, molding, shaping, fortune
Defeated, detection, viscose cut-out, lug cut-out and rewinding.The production method step of tradition lug is sufficiently complex, and production efficiency is relatively low,
Production cost is higher, and the product quality product rate produced is relatively low.
As it is shown in figure 1, conventionally produced lug is when pasting tab, owing to metal tape 7 has certain thickness, pole
Ear glue 8 is bonded away from the two ends of metal tape 7, can form the first gap 10 of class triangle, easy shape near metal tape 7 edge
Perfoliate passage is become to cause battery leakage.And metal tape 7 thickness the biggest (lug used such as electrokinetic cell), class triangle
Shape gap is the biggest, the easiest leakage.During flexible packing lithium ion battery encapsulation, owing to tab 8 has certain thickness, battery
The two ends of aluminum plastic film 9 and tab 8, under external force by pressing, can define the of class triangle near tab 8 two ends
Two gaps 11, are so encapsulated in the electrolyte in lithium battery and easily spill in the gap of class triangle, affect lithium battery
Security performance and reliability.
Utility model content
This utility model is for the disappearance of prior art existence, it is provided that a kind of lug automatic manufacturing device, it can optimize pole
The production process of ear, improves production efficiency, reduces production cost, improves quality product rate.
For achieving the above object, this utility model uses such as purgation technical scheme:
A kind of injection molding type lug automatic manufacturing device, adds including the metal tape unreeling structure cooperated, tab master batch
Heat engine structure, tab injecting mechanism and finished product rolling-up mechanism, described tab injecting mechanism includes injection mold, described injection mould
Tool matched moulds forms tab injection molding cavity；During work, the metal tape on metal tape unreeling machine arrives finished product through tab injection molding cavity
Rolling-up mechanism, tab melted in tab heating arrangements is injected lug injection molding cavity by the injection hole of tab injection molding cavity, and
It is coated on outside the metal tape entered in tab injection molding cavity.
As a kind of preferred version, described injection molding type lug automatic manufacturing device also includes for being drawn to into by metal tape
The haulage gear of product rolling-up mechanism, described haulage gear is located between tab injecting mechanism and finished product rolling-up mechanism.
As a kind of preferred version, described injection molding type lug automatic manufacturing device also includes driving driving of haulage gear work
Dynamic element, described driving element is motor or servomotor.
As a kind of preferred version, described injection mold include can the upper die and lower die of folding, described upper die and lower die
The relative position of land area is equipped with the type groove of indent, and at least one the both sides sidewall of type groove of described upper die and lower die is provided with
The short slot suitable with metal tape width and thickness, when described upper mold and lower mold matched moulds, described type groove forms aforesaid tab
Injection molding cavity, described short slot forms the guiding gutter of metal tape.
As a kind of preferred version, described upper mold or lower mold are provided with for melted tab is molded into tab injection
The liquid injection hole in chamber and hot flow path, one end of described hot flow path connects with liquid injection hole, and the other end is with aforesaid tab injection molding cavity even
Logical.
As a kind of preferred version, described hot flow path includes the first hot flow path and the second hot flow path, described first hot flow path
Charging aperture be positioned at the left side of tab injection molding cavity, and the feedstock direction of this charging aperture is towards lug injection molding cavity top, described
The charging aperture of the second hot flow path is positioned at the right side of tab injection molding cavity, and the feedstock direction of this charging aperture is molded towards tab
Bottom, chamber.
This utility model compared with prior art, has the following advantages and advantage, specifically: 1, due to this production technology
The tab produced is that after cooling, die sinking obtains, and therefore tab only need to be subject to directly by the tab injection progressive die tool melted
Once, compared with tradition lug production technology, this production technology reduces the number of times that is heated of tab to heat, promotes the reliable of tab
Property, reduce the red brittleness of tab；2, the die cavity of injection mold determines the size (width, thickness and length) of tab, carries
The dimensional accuracy of high tab, is also no need for increasing the step measuring tab size simultaneously during producing, thus saves
Save the equipment of detection tab size, it can thus be appreciated that this production technology had both optimized operation, improve again quality product rate, more can save portion
Subset cost；3, the purchasing price of this injection molding type lug automatic manufacturing device is more cheap than traditional lug process units, and
One mold use life-span is the longest, thus can reduce production cost；4, the assembling of this lug automatic manufacturing device is simple, only needs
The production model of more mold exchange can produce, and facilitates technical staff to regulate；5, mould can be changed whenever and wherever possible, thus this device
The product produced can increase the design of personalization flexibly, is more convenient for tab is made different-thickness, to adapt to not
With cell package requirement, such as, tab stretches out the thickness of metal tape two side portions and can make as required and gradually successively decrease
Structure, the most outside thickness is the thinnest, and such structure, would not between tab two ends and aluminum plastic film when lithium battery encapsulation
It is formed with gap, thus the situation avoiding electrolyte to spill in gap occurs, and improves the safety and reliability of lithium battery；6、
Owing to tab is injection mo(u)lding, be coated on the outside of metal tape, the edge of tab and metal tape, and tab two ends with
The junction of aluminum plastic film would not form clearance channel, thus the situation avoiding electrolyte to spill in clearance channel occurs, and carries
The high safety and reliability of lithium battery.
By more clearly illustrating architectural feature of the present utility model, technological means and the specific purposes reached thereof and merit
Can, with specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings:
Accompanying drawing explanation
Fig. 1 is the structural representation of lug encapsulation；
Fig. 2 is the structural representation of the embodiment of this utility model；
Fig. 3 is the assembling assumption diagram of the injection mold of the embodiment of this utility model；
Fig. 4 is the exploded view of the embodiment injection mold of this utility model；
Fig. 5 is sectional view at the A-A in Fig. 4；
Fig. 6 is the schematic cross-section of another embodiment injection mold of this utility model；
Fig. 7 is the structural representation of the lug of this utility model.
Accompanying drawing identifier declaration:
1-metal tape unreeling structure, 2-tab master batch heating arrangements, 3-tab injection structure, 4-finished product winder
Structure, 5-injection mold, 51-upper mold, 52-lower mold, 53-type groove, 54-short slot, 55-liquid injection hole, 56-hot flow path, 561-the first heat
Runner, 562-the second hot flow path, 57-tab injection molding cavity, 58-deflector chute, 6-haulage gear, 7-metal tape, 8-tab, 9-
Cell aluminum-plastic membrane, 10-the first gap, 11-the second gap.
Detailed description of the invention
As in figure 2 it is shown, a kind of injection molding type lug automatic manufacturing device, including the metal tape unreeling structure 1 cooperated, pole
Ear glue heating arrangements 2, tab injecting mechanism 3 and finished product rolling-up mechanism 4, described tab injecting mechanism 3 includes injection mold
5, described injection mold 5 matched moulds forms tab injection molding cavity；During work, the metal tape on metal tape unreeling machine 1 passes tab
Injection molding cavity arrives finished product rolling-up mechanism 4, and tab melted in tab master batch heating arrangements 2 is by the injection of tab injection molding cavity
Mouth injects lug injection molding cavity, and is coated on outside the metal tape 7 entered in tab injection molding cavity.Described injection molding type lug is certainly
Dynamic process units also includes the haulage gear 6 for metal tape 7 is drawn to finished product rolling-up mechanism 4, and described haulage gear 6 is located at
Between tab injecting mechanism 3 and finished product rolling-up mechanism 4.Described injection molding type lug automatic manufacturing device also includes driving traction machine
The driving element of structure work, described driving element is motor or servomotor or other traction drive.
As in Figure 3-5, include can the upper mold 51 of folding and lower mold 52, described upper mold 51 and lower mold for described injection mold 5
The relative position of the land area of 52 is equipped with the type groove 53 of indent, and the both sides sidewall of the type groove 53 of described upper mold 51 is provided with and gold
Belonging to the short slot 54 that bandwidth is suitable, when described upper mold 51 is with lower mold 52 matched moulds, described type groove 53 forms aforesaid tab note
Moulding chamber 57, described short slot 54 forms the deflector chute 58 of metal tape.Described upper mold 51 is provided with for by melted tab injection
To liquid injection hole 55 and two hot flow paths 56 of tab injection molding cavity 57, one end of described hot flow path 56 connects with liquid injection hole 55, another
End connects with tab injection molding cavity 57, and described hot flow path 56 includes the first hot flow path 561 and the second hot flow path 562, and described first
The charging aperture of hot flow path 561 is positioned at the left side of tab injection molding cavity 57, and the feedstock direction of this charging aperture is molded towards lug
Top, chamber 57, the charging aperture of described second hot flow path 562 is positioned at the right side of tab injection molding cavity 57, and the charging of this charging aperture
Direction is towards tab injection molding cavity 57 bottom.During work, melted tab enters from liquid injection hole 55, separately flows into two hot-fluids
In road 56, the tab of partial melting along with the first hot flow path 561 from charging aperture flow into tab injection molding cavity 57 top, another
The tab of partial melting is along with the second hot flow path 562 is from the bottom of charging aperture inflow tab injection molding cavity 57, such setting
On the one hand may insure that tab can be coated on upper and lower surface and the outside of metal tape completely, on the one hand can improve tab
Injection efficiency.It should be noted that described short slot 54 also can be located at the both sides sidewall of the type groove 53 of lower mold 52；Described hot flow path 56
It is not limited to be located at upper mold, it is also possible to be located at lower mold；Described hot flow path 56 is not limited to be set to two, it is also possible to be set to one or
A plurality of, and the feedstock direction of hot flow path 56 is not limited to left and right directions, it is also possible to for above-below direction or other direction.
Being illustrated in figure 6 another embodiment of the present utility model, it is with the difference of above-described embodiment: described pole
Ear glue injection molding cavity 57 is the structure that thickness gradually successively decreases to both sides from centre, and the thickness of tab is the thinnest the most outward, so notes
The tab of moulding one-tenth two ends away from metal tape when lithium battery encapsulation are close to zero by the one-tenth-value thickness 1/10 after external force combined pressure, that
Would not be formed with gap between tab and battery plastic-aluminum packaging film, thus avoid the situation that electrolyte spills in gap
Occur, improve the safety and reliability of lithium battery.
When using above-mentioned injection molding type lug automatic manufacturing device to produce, comprise the following steps:
(1) metal tape on metal tape unreeling structure passes tab injection molding cavity 57 from the deflector chute 58 of mould；
(2) heating tab in tab heating arrangements 2 makes it become molten condition；
(3) tab after adding heat fusing is injected in injection molding cavity, and make tab be coated on enter into tab note
Mould the outside of the metal tape 7 in chamber 57；
(4) die sinking after cooling molding, metal tape 7 removes under finished product rolling-up mechanism 4 and haulage gear 6 act on, is wrapped
It is covered with the lug of tab 8；
(5) mould matched moulds, proceeds the injection of tab at next.
For improving the thermal contraction performance of tab, when carrying out step (2), can be as required in melted tab
Adding a certain amount of ceramic powder, described ceramic powder is selected from, but not limited to: aluminium sesquioxide, silicon dioxide, zirconium oxide, nitridation
The ceramic materials such as silicon.So can effectively promote the anti-flammability of tab, prevent tab from shrinking when being heated
Situation, thus improve the safety of battery.
It is illustrated in figure 7 the lug made by above-mentioned production technology, including a metal tape 7, on described metal tape 7
Have and multiple be coated on the tab 8 outside it by injection molding manner.
The above, be only preferred embodiment of the present utility model, not in order to limit this utility model, thus every
Any modification, equivalent substitution and improvement etc. made above example according to technology of the present utility model reality, all still fall within this
In the range of utility model technical scheme.
Claims (6)
1. an injection molding type lug automatic manufacturing device, it is characterised in that: include metal tape unreeling structure, the lug cooperated
Glue master batch heating arrangements, tab injecting mechanism and finished product rolling-up mechanism, described tab injecting mechanism includes injection mold, institute
State injection mould closing and form tab injection molding cavity；During work, the metal tape on metal tape unreeling machine passes tab injection molding cavity
Arriving finished product rolling-up mechanism, tab melted in tab heating arrangements is injected lug note by the injection hole of tab injection molding cavity
Mould chamber, and be coated on the metal tape upper and lower surface and outside entered in tab injection molding cavity.
Injection molding type lug automatic manufacturing device the most according to claim 1, it is characterised in that: also include for by metal tape
Be drawn to the haulage gear of finished product rolling-up mechanism, described haulage gear be located at tab injecting mechanism and finished product rolling-up mechanism it
Between.
Injection molding type lug automatic manufacturing device the most according to claim 2, it is characterised in that: also include driving haulage gear
The driving element of work, described driving element is motor or servomotor.
Injection molding type lug automatic manufacturing device the most according to claim 1, it is characterised in that: described injection mold includes can
The upper die and lower die of folding, the relative position of the land area of described upper die and lower die is equipped with the type groove of indent, described upper mold and
At least one the both sides sidewall of type groove of lower mold is provided with the short slot suitable with metal tape width and thickness, described upper mold with under
During mould matched moulds, described type groove forms aforesaid tab injection molding cavity, and described short slot forms the deflector chute of metal tape.
Injection molding type lug automatic manufacturing device the most according to claim 4, it is characterised in that: described upper mold or lower mold are provided with
For melted tab being molded into liquid injection hole and the hot flow path of tab injection molding cavity, one end of described hot flow path and liquid injection hole
Connection, the other end connects with aforesaid tab injection molding cavity.
Injection molding type lug automatic manufacturing device the most according to claim 5, it is characterised in that: described hot flow path includes first
Hot flow path and the second hot flow path, the charging aperture of described first hot flow path is positioned at the left side of tab injection molding cavity, and this charging aperture
Feedstock direction towards lug injection molding cavity top, the charging aperture of described second hot flow path is positioned at the right side of tab injection molding cavity, and
And the feedstock direction of this charging aperture is towards tab injection molding cavity bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620587846.4U CN205692898U (en) | 2016-06-16 | 2016-06-16 | Injection molding type lug automatic manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620587846.4U CN205692898U (en) | 2016-06-16 | 2016-06-16 | Injection molding type lug automatic manufacturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205692898U true CN205692898U (en) | 2016-11-16 |
Family
ID=57427773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620587846.4U Active CN205692898U (en) | 2016-06-16 | 2016-06-16 | Injection molding type lug automatic manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205692898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410103A (en) * | 2016-06-16 | 2017-02-15 | 东莞市先诺电子材料有限公司 | Injection molding type automatic production device and automatic process of tab |
-
2016
- 2016-06-16 CN CN201620587846.4U patent/CN205692898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410103A (en) * | 2016-06-16 | 2017-02-15 | 东莞市先诺电子材料有限公司 | Injection molding type automatic production device and automatic process of tab |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |