CN215815994U

CN215815994U - Heat sealing device of polymer lithium ion battery

Info

Publication number: CN215815994U
Application number: CN202122285902.2U
Authority: CN
Inventors: 戴发元; 贾全军
Original assignee: Guizhou Yangde New Energy Technology Co ltd
Current assignee: Guizhou Yangde New Energy Technology Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-11
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a heat sealing device of a polymer lithium ion battery, which belongs to the technical field of polymer lithium batteries and comprises a clamp seat and a turnover tool rest, wherein a top sealing frame is arranged right above the clamp seat, the turnover tool rest is arranged at the bottom in the top sealing frame, a downward pressing push rod is arranged at the top of the turnover tool rest, a tab hole channel and a folding groove are arranged at the top of the clamp seat, an aluminum-plastic film is arranged at the tops of the folding groove and the tab hole channel, and a roll core pit is arranged in the aluminum-plastic film; according to the utility model, the folding knife rest and the downward pressing push rod are additionally arranged on the polymer battery packaging mechanism, so that the aluminum plastic film around the battery roll core to be packaged can be subjected to accurate folding, the traditional manual folding operation is omitted, the packaging efficiency of the packaging mechanism is greatly improved, the labor is saved, and the production efficiency is improved.

Description

Heat sealing device of polymer lithium ion battery

Technical Field

The utility model relates to a polymer lithium battery, in particular to a heat sealing device of the polymer lithium battery, belonging to the technical field of polymer lithium battery packaging.

Background

The lithium polymer battery, also called as a high-molecular lithium ion battery, has the advantages of high specific energy, miniaturization, ultra-thinning, light weight, high safety and the like, and can be made into batteries with any shape and capacity based on the advantages, thereby meeting the requirements of various products; and it adopts the plastic-aluminum packing, and inside problem appearing can show through the extranal packing immediately, even if there is the potential safety hazard, also can not explode, only can the tympanites.

Current polymer lithium cell is in the encapsulation, and the aluminium-plastic film that the outward appearance was used need fold along rolling up the core all around, can just cooperate heat-seal mechanism to encapsulate, and folding operation often all is outside in the manual work puts into frock clamp after folding, and this operation is comparatively loaded down with trivial details, has reduced the encapsulation efficiency of battery.

Therefore, designing and providing equipment capable of extracting and concentrating the traditional Chinese medicine at a lower temperature in a short time is a technical problem to be solved urgently in the technical field of modern extraction of the traditional Chinese medicine.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a heat sealing device of a polymer lithium ion battery.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the heat sealing device of the polymer lithium ion battery comprises a clamp seat and a turnover knife rest, wherein a top sealing frame is arranged right above the clamp seat, the turnover knife rest is arranged at the bottom in the top sealing frame, a pressing push rod is arranged at the top of the turnover knife rest, a tab hole and a folding groove are arranged at the top of the clamp seat, an aluminum-plastic film is arranged at the top of the tab hole, and a roll core pit is arranged in the aluminum-plastic film.

Preferably, a lifting push rod is welded in the middle of the top end of the top sealing frame, the top of the lifting push rod is fixed to a supporting structure of the heat sealing machine, the turnover knife rest is connected with the top sealing frame in a sliding mode, and the top end of the pressing push rod is welded to the inner wall of the top sealing frame.

Preferably, the turnover tool rest is welded with the bottom of the lower pressing push rod, the tab hole channel and the folding groove are formed in the clamp seat, and the folding groove is aligned with the turnover tool rest.

Preferably, the aluminum-plastic film and the clamp seat are clamped and fixed, the winding core pit is formed in the aluminum-plastic film, and the side frames are fixed on three outer side walls of the clamp seat through screws.

Preferably, a side sealing push rod is fixed on one side wall inside the side frame, a side sealing head is fixed at the output end of the side sealing push rod, a guide rod is welded at one side inside the top sealing frame, a transverse moving push rod is clamped and pressed at the other side inside the top sealing frame, a top sealing head is connected to the guide rod in a sliding mode, and the top sealing head is welded with the output end of the transverse moving push rod.

Preferably, the top seal head and the side seal head are externally connected with a heating assembly.

The utility model has the beneficial technical effects that:

according to the utility model, the folding knife rest and the downward pressing push rod are additionally arranged on the polymer battery packaging mechanism, so that the aluminum plastic film around the battery roll core to be packaged can be subjected to accurate folding, the traditional manual folding operation is omitted, the packaging efficiency of the packaging mechanism is greatly improved, the labor is saved, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a heat sealing device for a polymer lithium ion battery according to the present invention;

FIG. 2 is a schematic diagram showing the positional relationship between a holder and an aluminum-plastic film in a preferred embodiment of the heat sealing device for polymer lithium ion batteries according to the present invention;

FIG. 3 is a front cross-sectional view of a top seal holder in a preferred embodiment of the heat seal apparatus for polymer lithium ion batteries according to the present invention;

FIG. 4 is a top view of a holder of a preferred embodiment of the heat sealing apparatus for polymer lithium ion batteries according to the present invention;

fig. 5 is a schematic diagram showing the positional relationship between the turnover tool rest and the top sealing head, the guide rod and the traverse push rod in a preferred embodiment of the heat sealing device for polymer lithium ion batteries according to the present invention.

The reference numerals are explained below:

1-a clamp seat; 2-top sealing frame; 3-lifting the push rod; 4-aluminum plastic film; 5-core pit; 6-side frame; 7-side end enclosure; 8-folding and printing the groove; 9-side sealing push rod; 10-pressing the push rod; 11-folding the knife rest; 12-traversing the push rod; 13-top seal head; 14-tab channel; 15-guide rod.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 to 5, the heat sealing device for a polymer lithium ion battery provided in this embodiment includes a clamp seat 1 and a folding knife rest 11, a top sealing frame 2 is disposed right above the clamp seat 1, the folding knife rest 11 is disposed at the bottom inside the top sealing frame 2, a push-down rod 10 is disposed at the top of the folding knife rest 11, a tab hole 14 and a folding groove 8 are disposed at the top of the clamp seat 1, an aluminum plastic film 4 is disposed at the tops of the folding groove 8 and the tab hole 14, and a core pit 5 is disposed in the aluminum plastic film 4.

The welding has lift push rod 3 in the middle part of 2 tops of top seal frame, and the 3 tops of lift push rod are fixed in the bearing structure of heat-sealing machine, turns over a knife rest 11 and a 2 sliding connection of top seal frame, pushes down the 10 tops of push rod and seals 2 inner wall welding on the frame with the top, and lift push rod 3 and push down the control equipment control on the heat-sealing machine by push rod 10, turn over a blade type of knife rest 11 narrower, can be better roll up the core hole 5 all around along the folding aluminium-plastic membrane 4 that turns up of outer wall of rolling up the core.

The folding knife rest 11 is welded with the bottom of the downward pressing push rod 10, the tab hole channel 14 and the folding groove 8 are formed in the clamp seat 1, the folding groove 8 is aligned with the folding knife rest 11, the tab hole channel 14 is used for placing an electrode end of a roll core, tab glue is arranged on the tab, and the tab can be jointed and fixed with a PP material after being melted to complete packaging.

The aluminum-plastic film 4 is clamped and fixed with the clamp seat 1, the roll core pit 5 is formed on the aluminum-plastic film 4, side frames 6 are fixed on three outer side walls of the clamp seat 1 through screws, and the bottom of the clamp seat 1 is connected with an external negative pressure suction structure to form negative pressure to compress the aluminum-plastic film 4.

A side sealing push rod 9 is fixed on one side wall inside the side frame 6, a side sealing head 7 is fixed on the output end of the side sealing push rod 9, a guide rod 15 is welded on one side inside the top sealing frame 2, a transverse moving push rod 12 is clamped and pressed on the other side inside the top sealing frame 2, a top sealing head 13 is connected onto the guide rod 15 in a sliding mode, the top sealing head 13 is welded with the output end of the transverse moving push rod 12, the transverse moving push rod 12 can drive the top sealing head 13 to cover the aluminum plastic film 4 on the turned-up top cover of the winding core onto the winding core, and meanwhile, heat sealing is completed.

The top seal head 13 and the side seal head 7 are both externally connected with a heating component.

As shown in fig. 1 to fig. 5, the heat sealing device for a polymer lithium ion battery provided in this embodiment operates as follows:

step 1: when the device is used specifically, a roll core of a polymer lithium ion battery is placed in a roll core pit 5 of an aluminum-plastic film 4, then the aluminum-plastic film 4 is placed on a clamp seat 1 to be fixed emergently, the clamp seat 1 clamps and fixes the aluminum-plastic film 4 under the action of negative pressure suction, then a lifting push rod 3 lowers a top seal frame 2 to enable the bottom to be in contact with the aluminum-plastic film 4, then a turning push rod 10 is pressed down to move a turning tool rest 11 downwards to be aligned with a folding groove 8 to fold, fold and turn over the aluminum-plastic film 4 along the periphery of the roll core, enable the turned aluminum-plastic film 4 to be level with the edge of the roll core, and then the turning tool rest 11 is retracted into the top seal frame 2;

step 2: the side seal head 7 is pushed by a side seal push rod 9 to carry out heat sealing on the aluminum plastic film 4 at the outer wall of the winding core, the lug of the winding core is removed from the periphery of the side seal head, the side seal head 7 is heated to a set temperature through a heating mechanism, a PP material layer on the inner wall of the aluminum plastic film 4 is glued and fixed with the winding core after being melted, three volumes of walls outside the winding core are all in packaging contact at the moment, the aluminum plastic film 4 at the top of the winding core is positioned at one side of the top of the winding core and is in an inclined state, and then the side seal head 7 carries out heat sealing on the top cover aluminum plastic film 4 to the top of the winding core along the top of the winding core through the action of a transverse moving push rod 12 and a guide rod 15, so that top sealing and side sealing can be completed;

and step 3: the design of this device has replaced the turn-ups's of traditional manual roll-ups operation of having turned over by the effect of turning over a knife rest 11, roll-ups groove 8 and push rod 10 down, has improved packaging mechanism's encapsulation efficiency greatly, uses manpower sparingly, has improved production efficiency.

The above are only further embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its concept within the scope of the present invention.

Claims

1. The heat sealing device of the polymer lithium ion battery is characterized in that: including anchor clamps seat (1) and a knife rest (11) that turns over, be provided with directly over anchor clamps seat (1) and seal frame (2), the bottom is provided with in the frame (2) that seals on the top turn over a knife rest (11), it is provided with down and pushes down push rod (10) to turn over a knife rest (11) top, anchor clamps seat (1) top is provided with utmost point ear pore (14) and rolls over seal groove (8), roll over seal groove (8) with utmost point ear pore (14) top is provided with plastic-aluminum membrane (4), be provided with in plastic-aluminum membrane (4) and roll up core hole (5).

2. The heat-seal device for polymer lithium ion batteries according to claim 1, characterized in that: the top seal frame is characterized in that a lifting push rod (3) is welded in the middle of the top end of the top seal frame (2), the top of the lifting push rod (3) is fixed on a supporting structure of a heat sealing machine, the turnover knife rest (11) is connected with the top seal frame (2) in a sliding mode, and the top end of the pressing push rod (10) is welded with the inner wall of the top seal frame (2).

3. The heat-seal device for polymer lithium ion batteries according to claim 2, characterized in that: the folding tool rest (11) is welded with the bottom of the downward pressing push rod (10), the lug hole channel (14) and the folding groove (8) are formed in the clamp seat (1), and the folding groove (8) is aligned with the folding tool rest (11).

4. The heat-seal device for polymer lithium ion batteries according to claim 3, characterized in that: aluminium-plastic film (4) with anchor clamps seat (1) presss from both sides tightly fixedly, roll up core hole (5) shaping in on aluminium-plastic film (4), there are side bearer (6) through the fix with screw on the outside three lateral walls of anchor clamps seat (1).

5. The heat-seal device for polymer lithium ion batteries according to claim 4, wherein: a side sealing push rod (9) is fixed on one side wall inside the side frame (6), a side sealing head (7) is fixed on the output end of the side sealing push rod (9), a guide rod (15) is welded on one side inside the top sealing frame (2), a transverse moving push rod (12) is clamped and pressed on the other side inside the top sealing frame (2), a top sealing head (13) is connected to the guide rod (15) in a sliding mode, and the top sealing head (13) is welded with the output end of the transverse moving push rod (12).

6. The heat-seal device for polymer lithium ion batteries according to claim 5, wherein: the top seal head (13) and the side seal head (7) are externally connected with a heating assembly.