CN219153945U

CN219153945U - Power battery side plate insulating adhesive film laminating device

Info

Publication number: CN219153945U
Application number: CN202320039124.5U
Authority: CN
Inventors: 田昌; 刘洪乐; 余莉; 王鸿飞
Original assignee: Sichuan Dongcai New Material Co ltd
Current assignee: Sichuan Dongcai New Material Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-06-09
Anticipated expiration: 2033-01-07

Abstract

The utility model discloses a power battery side plate insulating adhesive film laminating device; the packaging bag comprises a packaging bag, a chassis detachably arranged in the packaging bag, a vacuumizing part arranged outside the packaging bag and a baking oven for placing the packaging bag, wherein the side wall of the packaging bag is provided with a jack, and the vacuumizing part penetrates through the jack and is detachably connected with the chassis; wherein, a through hole is arranged in the chassis, two ends of the through hole are communicated with the inside of the packaging bag at one end and the vacuum suction nozzle at the other end; through the vacuumizing effect of the vacuum part and the baking effect of the oven, the vacuum hot-pressing effect is exerted on the aluminum plate and the insulating adhesive film, so that the bonding degree of the aluminum plate and the insulating adhesive film is improved, the shearing, drawing, cold-hot shock resistance and ageing resistance of the side plates are remarkably improved, the implementation is easy, and in addition, the utility model can be used for laminating a plurality of aluminum plates for vacuum hot-pressing; compared with the traditional hot pressing lamination, the aluminum plate or the hollow aluminum block can be prevented from deformation and uneven lamination degree under high pressure.

Description

Power battery side plate insulating adhesive film laminating device

Technical Field

The utility model relates to the technical field of lamination of power battery side plate insulating adhesive films, in particular to a lamination device of a power battery side plate insulating adhesive film.

Background

At present, an electric automobile gradually replaces a traditional fuel automobile due to the advantages of low emission, light pollution, low maintenance and the like, a battery is taken as a core part of the power automobile and is usually formed by combining a plurality of battery modules, a side plate of the battery module is generally an aluminum plate, and one side surface of the aluminum plate needs to be insulated, so that the side surface is covered with an insulating layer. At present, the insulating layers of the side plates are all realized by a process of bonding aluminum plates through hot-pressing insulating adhesive films, and in order to improve the production efficiency, the insulating layers are covered on the surfaces by adopting a hot-pressing mode of a laminated structure of a plurality of plates, and the hot-pressing pressure is usually more than 1Mpa; in order to improve the efficiency, the number of the laminated layers is increased, the hot pressing time of the side plate production is prolonged, and meanwhile, the aluminum plate is deformed due to uneven hot pressing pressure, so that the product yield is affected; meanwhile, part of novel water-cooling side plates cannot be subjected to high-pressure and long-time hot pressing due to the hollow structure. In addition, the traditional hot press can lead to curb plate laminating area limited because hot pressing panel size is fixed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the power battery side plate insulating adhesive film laminating device which adopts a vacuum hot-pressing mode, so that the side plates are uniformly pressed in the laminating process to avoid the deformation of aluminum plates, the laminating area of the side plates is not limited by a hot pressing plate, the side plates can be arbitrarily selected, the implementation is easy, and each performance of the side plates obtained after lamination is excellent.

The utility model aims at realizing the following technical scheme:

the utility model provides a power battery curb plate insulating glued membrane laminating device, includes the encapsulation bagging-off, can dismantle the chassis that sets up in the encapsulation bagging-off, set up the evacuation portion outside the encapsulation bagging-off and be used for placing the oven of encapsulation bagging-off, encapsulation bagging-off lateral wall is provided with the jack, the evacuation portion runs through the jack and with the chassis is dismantled and is connected; wherein a through hole is arranged in the chassis, two ends of the through hole are communicated with the inside of the packaging bag at one end and the vacuum suction nozzle at the other end.

According to the scheme, through the arrangement of the oven, the packaging bag, the chassis and the vacuum pump, the vacuum hot-pressing effect can be exerted on the aluminum plate and the insulating adhesive film through the vacuumizing effect of the vacuum part and the baking effect of the oven, so that gas in the packaging bag is uniformly pumped out, the aluminum plate and the insulating adhesive film are uniformly extruded by the external atmospheric pressure, the bonding degree of the aluminum plate and the insulating adhesive film is improved, the shearing, drawing, cold-hot shock resistance and ageing resistance of the side plates are remarkably improved, and the vacuum hot-pressing device is easy to implement. Compared with the traditional hot pressing lamination, the aluminum plate or the hollow aluminum block can be prevented from deforming under high pressure and the problem of uneven lamination degree, meanwhile, the vacuum lamination pressure is small, the lamination degree is high, the production efficiency is high, and the reject ratio is low.

Preferably, the vacuumizing part comprises a vacuum pump and a vacuum suction nozzle, the vacuum suction nozzle is connected with the vacuum suction nozzle through a wire pipe, the vacuum suction nozzle is detachably connected with the chassis, and the vacuum pump is arranged outside the oven.

In the scheme, through further limiting the structure of the vacuumizing part, when the vacuumizing part is used, the packaging bag can be vacuumized under the combined action of the spool and the vacuum suction nozzle through the action of the vacuum pump, and the operation is simple and convenient.

Preferably, the vacuum suction nozzle further comprises a sealing adhesive tape which is detachably wound at the joint part of the vacuum suction nozzle and the chassis.

In the scheme, through setting up sealing adhesive tape, can be after vacuum nozzle is connected with the chassis, carry out the shutoff with the jack, improve the leakproofness of encapsulation bagging-off, and then ensure that the evacuation work operates smoothly.

Preferably, the vacuum pump is a hydraulic vacuum pump, and the ultimate vacuum can reach 150Pa.

In the scheme, the vacuum pump and the extreme vacuum are further limited, so that the vacuum pump can be ensured to stably and normally operate during high-temperature hot pressing.

Preferably, the spool is a high temperature resistant rubber pipe, and the temperature resistance exceeds 200 ℃.

In the scheme, the material and the high temperature resistance of the spool are further limited, so that the spool can be subjected to high temperature hot pressing without ageing of the material caused by overhigh temperature, and further the vacuum hot pressing work is ensured to be smoothly carried out.

Preferably, the vacuum suction nozzle is made of stainless steel.

In the scheme, the material of the vacuum suction nozzle is limited, so that the corrosion resistance, the high temperature resistance and the like of the vacuum suction nozzle can be improved, the service performance is improved, and the service life is prolonged.

Preferably, the chassis is made of stainless steel.

In the scheme, the corrosion resistance, the high temperature resistance and the like of the chassis can be improved by limiting the material of the chassis, so that the service performance is improved and the service life is prolonged.

Preferably, the packaging bag is a modified PC or PE plastic packaging bag, and the temperature resistance exceeds 200 ℃.

In the scheme, the material and the temperature resistance temperature of the packaging bag are limited, so that the packaging bag can be ensured to adapt to the temperature of the oven when the oven is baked at high temperature, and high-temperature hot-pressing failure caused by the melting of the packaging bag and other reasons is avoided.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through arranging the oven, the packaging bag, the chassis and the vacuum pump comprising the vacuum suction nozzle and the vacuum pump, the vacuum hot-pressing effect can be exerted on the aluminum plate and the insulating adhesive film through the vacuumizing effect of the vacuum part and the baking effect of the oven, so that the bonding degree of the aluminum plate and the insulating adhesive film is improved, the shearing, drawing, cold-hot shock resistance and ageing resistance of the side plate are remarkably improved, and the vacuum hot-pressing device is easy to implement. Compared with the traditional hot pressing lamination, the aluminum plate or the hollow aluminum block can be prevented from deforming under high pressure and the problem of uneven lamination degree, meanwhile, the vacuum lamination pressure is small, the lamination degree is high, the production efficiency is high, and the reject ratio is low.

Drawings

FIG. 1 is a schematic diagram of the working structure of the present utility model in front view;

in the figure: 1-vacuum pump, 2-spool, 3-vacuum nozzle, 4-chassis, 5-packaging bag, 6-oven.

Detailed Description

The technical solution of the present embodiment will be clearly and completely described below with reference to fig. 1 in the present embodiment, and it is obvious that the described embodiment is only a part of embodiments of the utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Example 1

9. The utility model provides a power battery curb plate insulating glued membrane laminating device, includes encapsulation bag 5, can dismantle chassis 4 that sets up in encapsulation bag 5, set up in the evacuation portion outside encapsulation bag 5 and be used for placing encapsulation bag 5's oven 6, encapsulation bag 5 can take out from oven 6 at will, also can put back in oven 6 at will from the random; the side wall of the packaging bag 5 is provided with a jack (not shown in the figure), the vacuumizing part penetrates through the jack and is detachably connected with the chassis 4, a through hole (not shown in the figure) is formed in the chassis 4, two ends of the through hole are communicated with the inside of the packaging bag 5 at one end, and the other end of the through hole is communicated with the vacuum suction nozzle 3, so that the vacuum suction nozzle 3 can smoothly suck air in the packaging bag 5. Specifically, the vacuumizing part comprises a vacuum pump 1 and a vacuum suction nozzle 3, the vacuum suction nozzle 3 is connected with the vacuum suction nozzle 3 through a wire pipe 2, the vacuum suction nozzle 3 is detachably connected with the chassis 4, and the vacuum pump 1 is arranged outside the oven 6. Further, the packaging bag further comprises a sealing adhesive tape capable of sealing the bag opening of the packaging bag 5, after the vacuum suction nozzle 3 is connected with the chassis 4, the joint of the sealing adhesive tape and the chassis is formed, the adhesive in the sealing adhesive tape is a high-temperature-resistant adhesive so as to enable the adhesive effect to be smoothly exerted in the oven 6, the sealing adhesive tape consists of a film layer and an adhesive layer, the thickness of the film layer is 50-200 μm, the film substrate is PET or PI, the thickness of the adhesive layer is 25-50 μm, and the adhesive is one or a mixture modified adhesive of several of polyester resin, polyurethane, silica gel, epoxy resin and acrylic resin (the prior art is not repeated here). Further, the vacuum pump 1 is a hydraulic vacuum pump 1, and the ultimate vacuum can reach 150Pa. Further, the conduit 2 is a high temperature resistant rubber conduit, and the temperature resistance is over 200 ℃. Further, the vacuum nozzle 3 is made of stainless steel. Further, the chassis 4 is made of stainless steel. Further, the packaging bag 5 is a modified PC or PE plastic packaging bag (existing product), and the temperature resistance exceeds 200 ℃.

In specific implementation, the protective film of the insulating adhesive film is torn off and attached to the aluminum plate (the film is torn off while attached, and 2kg of rolling back and forth can be used in the attaching process to avoid bubble generation), the aluminum plate is arbitrary in specification, and the aluminum plate adopted in the embodiment is 400mm in specification x 400mm; thereafter, the attached side plate and chassis 4 (placed in the bag) are passed through the insertion hole and screwed (screwed) with the chassis 4, and the bag opening of the package bag 5 is wound with a sealing tape, thereby sealing the bag opening. And then placing the packaging bag 5 in a high-temperature oven 6, regulating the negative pressure of a vacuum pump 1 to be 50 pa-150 pa, controlling the temperature of the oven 6 to be 100-200 ℃, performing vacuum hot pressing for 300-900 s, taking out the side plate after the vacuum hot pressing is finished, and testing the peeling strength, the drawing strength and the shearing strength.

Wherein when the negative pressure of the vacuum pump 1 is modulated to 100pa, the temperature of the oven 6 is 150 ℃, the vacuum hot-pressing time is 300s, the measured peeling strength is 30.5N/25mm, the drawing strength is 11.1MPa, and the shearing strength is 10.2MPa;

wherein when the negative pressure of the vacuum pump 1 is modulated to 100pa, the temperature of the oven 6 is 150 ℃, the vacuum hot-pressing time is 600s, the measured peeling strength is 35.2N/25mm, the drawing strength is 11.6MPa, and the shearing strength is 10.8MPa;

wherein when the negative pressure of the vacuum pump 1 is modulated to 100pa, the temperature of the oven 6 is 170 ℃, the vacuum hot-pressing time is 600s, the measured peeling strength is 43.6N/25mm, the drawing strength is 12.2MPa, and the shearing strength is 11.3MPa;

in addition, when the hot press was performed using a conventional hot press, the pressure was 1Mpa, the temperature of the oven 6 was 170 ℃ and the hot press time was 600s, and the measured peel strength was 26.6N/25mm, the pull strength was 10.3Mpa, and the shear strength was 9.4Mpa.

Compared with a hot press, the vacuum hot press device is greatly improved in terms of peeling strength, drawing strength and shearing strength.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "longitudinal," "transverse," and the like indicate an orientation or a positional relationship based on that shown in fig. 1, merely for convenience of describing the patent and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the patent.

The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein and is not to be considered as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either by the foregoing teachings or by the teaching of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a power battery curb plate insulating glued membrane laminating device which characterized in that, includes encapsulation bag (5), can dismantle chassis (4) that set up in encapsulation bag (5), set up in the evacuation portion outside encapsulation bag (5) and be used for placing encapsulation bag (5) oven (6), encapsulation bag (5) lateral wall is provided with the jack, evacuation portion runs through the jack and with chassis (4) detachable connection; wherein a through hole is arranged in the chassis (4), two ends of the through hole are communicated with the inside of the packaging bag (5), and the other end of the through hole is communicated with the vacuum suction nozzle (3).

2. The power battery side plate insulating film laminating device according to claim 1, wherein the vacuumizing part comprises a vacuum pump (1) and a vacuum suction nozzle (3), the vacuum suction nozzle (3) and the vacuum suction nozzle (3) are connected through a wire pipe (2), the vacuum suction nozzle (3) is detachably connected with the chassis (4), and the vacuum pump (1) is arranged outside the oven (6).

3. The power battery side plate insulating film laminating device according to claim 1, further comprising a sealing adhesive tape capable of sealing the bag opening of the packaging bag (5).

4. The power battery side plate insulating film laminating device according to claim 2, wherein the vacuum pump (1) is a hydraulic vacuum pump, and the ultimate vacuum can reach 150Pa.

5. The power battery side plate insulating film laminating device according to claim 2, wherein the wire tube (2) is a high-temperature-resistant rubber tube, and the temperature resistance is over 200 ℃.

6. The power battery side plate insulating film laminating device according to claim 2, wherein the vacuum suction nozzle (3) is made of stainless steel.

7. The power battery side plate insulating film laminating device according to claim 1, wherein the chassis (4) is made of stainless steel.

8. The power battery side plate insulating film laminating device according to claim 1, wherein the packaging bag (5) is a modified PC or PE plastic packaging bag, and the temperature resistance is over 200 ℃.