CN217398123U

CN217398123U - Gas expansion structure and winding device with same

Info

Publication number: CN217398123U
Application number: CN202220705172.9U
Authority: CN
Inventors: 庄志; 刘万锋; 赵远; 廖培龙; 鲁群; 胡大山; 周鸿雁; 陈彦丞; 陈旭建; 刘倩倩
Original assignee: Shanghai Energy New Materials Technology Co Ltd
Current assignee: Shanghai Energy New Materials Technology Co Ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-09
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a gas expanding structure and have coiling mechanism of gas expanding structure, it is with linking the fixed gasbag of structure and axle piece for gasbag inflation or shrink can be on average atress in the inflation beam slab, and set up gas expanding structure in rolling structure, make membrane article when the rolling, can eliminate stress, produce the off tracking or the condition of end wrinkle in order to avoid membrane article rolling, consequently also need not pass through the rewinding procedure, and reduce the complexity of process.

Description

Gas expansion structure and winding device with same

Technical Field

The utility model relates to an expansion structure indicates an air expansion structure and has air expansion structure's coiling mechanism especially.

Background

Generally, when a film product is rolled, due to the influence of stress, the film product is prone to have the problems of deviation or bottom wrinkle, and the like, therefore, before the film product leaves a factory, a rewinding process needs to be performed through a winding drum, and in the rewinding process, steps such as cold roll, oven ironing, cold roll sizing and the like need to be performed on a collapsed film.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas expansion structure, its accessible gasbag realizes inflation or shrink inflation axletree board to further inject the gasbag position with linking the structure, so that when the gasbag inflation, can push on average the inflation axletree board.

An object of the utility model is to provide a coiling mechanism with gas expansion structure, it sets up gas expansion structure in the rolling structure for membrane article can the stress relief when the rolling, in order to avoid membrane article rolling to produce the off tracking or the condition of end wrinkle, consequently also need not pass through the rewinding procedure, and reduce the complexity of process.

To achieve the above object, the present invention provides a gas expansion structure, comprising:

a shaft member;

a balloon disposed at one side of the shaft, the balloon being expanded or contracted by inputting or removing a gas;

the connecting structure comprises a first cylinder, a second cylinder, a plurality of first fixed blocks, a plurality of second fixed blocks and a connecting piece, wherein the first cylinder and the second cylinder are arranged adjacently, the first fixed blocks are arranged on the first cylinder, the second fixed blocks are arranged on the first cylinder, and the connecting piece is respectively connected with the first fixed blocks and the second fixed blocks, so that the first cylinder and the second cylinder are arranged annularly and are arranged outside the air bag in a surrounding manner to limit the air bag; and

and each expansion shaft plate is connected with the link structure through a connecting piece, and one side of each expansion shaft plate is arranged between the first column body and the second column body, so that each expansion shaft plate is pushed according to the expansion of the air bag or reset according to the contraction of the air bag.

Preferably, the cover comprises a first cover and a second cover, the first cover is disposed at one end of the linking structure, and the second cover is disposed at the other end of the linking structure to fix the linking structure.

More preferably, the connecting member is a pull rod or a spring.

Preferably, the connecting members penetrate the side of the expansion shaft plates and are respectively connected between the first column and the second column, when the airbag is expanded, the expansion shaft plates are pushed to a position according to the connecting members, and when the airbag is contracted, the expansion shaft plates are reset from the position according to the connecting members.

Preferably, the cross section of each expansion shaft plate is in a T-shaped structure, the side of each expansion shaft plate penetrating through the connecting piece is a protruding side, and the other side of each expansion shaft plate is in an arc-shaped structure.

More preferably, the number of the expansion shaft plates is 6 to 15.

More preferably, the number of the expansion shaft plates is 12.

To achieve the above object, the present invention provides a winding device with an air expansion structure, comprising:

a rolling structure;

the air expansion structure is arranged on the rolling structure; and

and the sleeve piece is sleeved on the expansion shaft plates of the air expansion structure so as to roll a membrane product.

More preferably, the film is an isolation film, and the film has a thickness of 5um to 21um, a length of 1000m to 4000m, and a width of 500mm to 1200 mm.

Preferably, the sleeve member is stretched to a predetermined diameter according to the expansion shaft plates of the air expansion structure, so that after the film product is rolled by the rolling structure, the expansion shaft plates of the air expansion structure are reset, and a space is formed between the film product and the sleeve member.

The utility model discloses a beneficial efficiency lies in carrying out the rolling with gas expansion structure, creates out membrane product shrink space, and then solves the internal stress problem, and at this moment, membrane product internal stress obtains the release, can get rid of the rewinding procedure consequently, reduces the process complexity by a wide margin to can directly cut the procedure after the coating, and reduce the flow time.

Drawings

FIG. 1 is a schematic diagram of an apparatus according to an embodiment of the present invention;

FIG. 2 is a disassembled view of the apparatus according to one embodiment of the present invention;

FIG. 3 is a partial schematic view of an apparatus according to an embodiment of the present invention;

FIG. 4 is a side view of an air-expandable structure of an embodiment of the present invention before it is expanded;

FIG. 5 is a side view of an inflated structure in accordance with an embodiment of the present invention;

FIG. 6 is a side view of an embodiment of the present invention in a rolled configuration with an air-expandable structure; and

fig. 7 is a side view of the rolled sheet according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned and/or other objects, functions and features of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below:

please refer to fig. 1, fig. 2 and fig. 3, which are a schematic diagram of an apparatus, a schematic diagram of an apparatus disassembly, and a partial schematic diagram of the apparatus according to an embodiment of the present invention. As shown in the figure, the utility model discloses a gas expansion structure T contains axle 1, gasbag 2, links structure 3 and a plurality of inflation beam plate 4, and has gas expansion structure's coiling mechanism, contains coiling structure 5, gas expansion structure T and external member 6, and its connection and actuation mode description are as follows:

in an embodiment, the shaft 1 enables the rolling device to drive the shaft 1 to rotate, and the airbag 2 surrounds the outside of the shaft 1, so that the airbag 2 can expand or contract on average when inputting or removing gas, but not limited thereto.

The linking structure 3 includes a first column 31, a second column 32, a plurality of first fixing blocks 33, a plurality of second fixing blocks 34 and a linking element 35, the number of the first column 31 and the second column 32 is not limited, in this embodiment, the number of the first column 31 and the second column 32 is 12, which is mainly used to support and link the airbag 2 and the shaft element 1, so that the airbag 2 is better wrapped and fixed on the shaft element 1, for this reason, the first column 31 and the second column 32 are adjacently disposed, the plurality of first fixing blocks 33 are disposed on the first column 31, the number of the first fixing blocks 33 is also not limited, in one embodiment, 2-3 first fixing blocks 33 may be disposed to each first column 31, and the distance between adjacent first fixing blocks 33 may be adjusted according to the requirement, but not limited thereto, the same plurality of second fixing blocks 34 are disposed on the second column 32, the number of the second fixing blocks 34 is not limited, and in an embodiment, 2 to 3 second fixing blocks 34 may be disposed to each second column 32, and the distance between adjacent second fixing blocks 34 may be adjusted as required, each first fixing block 33 and each second fixing block 34 are disposed correspondingly and adjacently, and each first fixing block 33 and each second fixing block 34 are connected by a link 35, so that the first column 31 and the second column 32 are disposed annularly, and further disposed annularly outside the airbag 2, so as to limit the position of the airbag 2, and when the airbag 2 expands or contracts, the airbag will not be displaced.

A plurality of expansion shaft plates 4, each expansion shaft plate 4 is connected to the linking structure 3 by a connecting member 41, wherein the connecting member 41 is a pull rod or a spring as long as it can limit the expansion shaft plates 4 from moving to the positioning and reset the expansion shaft plates 4 moved to the positioning, in an embodiment, the cross section of the expansion shaft plates 4 is a T-shaped structure, so that one side of the expansion shaft plates 4 is a protruding side and the other opposite side is an arc-shaped structure, the protruding side of the expansion shaft plates 4 is disposed between the first column 31 and the second column 32, and the connecting member 41 is disposed through the protruding side and respectively connected to the first column 31 and the second column 32, so that when the expansion shaft plates 4 are pushed according to the expansion of the airbag 2, the expansion shaft plates 4 are pushed to a positioning according to the connecting member 41, that the expansion shaft plates 4 are pushed to move outwards by the airbag 2 of the linking overflow structure 3, meanwhile, when the connecting member 41 is stretched to increase the diameter of the sleeve 6 or reset according to the contraction of the airbag 2, the expansion shaft plates 4 are reset by positioning according to the connecting member 41, that is, the expansion shaft plates 4 are reset to the original position, wherein the number of the expansion shaft plates 4 is related to the average force, in one embodiment, the number of the expansion shaft plates 4 is 6 to 15, preferably, the number of the expansion shaft plates 4 is 12, but not limited thereto.

The winding device with the gas expansion structure is provided with the gas expansion structure T arranged on the winding structure 5, so that the winding structure 5 can drive the gas expansion structure T to roll together, and the sleeve member 6 is sleeved outside the gas expansion structure, namely on the expansion shaft plates 4, so as to roll the membrane product M, wherein the membrane product M is an isolation membrane, such as an oil-based coating isolation membrane of a lithium battery, and the membrane product M has a thickness of 5um-21um, a length of 1000M-4000M, and a width of 500mm-1200mm, but not limited thereto.

Fig. 4-7 are a side view of the air-expandable structure before being expanded, a side view of the air-expandable structure after being expanded, a side view of the air-expandable structure in a rolled state, and a side view of the air-expandable structure after being rolled, according to an embodiment of the present invention. The sleeve 6 is stretched to a preset diameter according to the expansion shaft plates 4 of the air expansion structure T, so that the rolling structure 5 rolls the film product M, and when the rolling is completed, the expansion shaft plates 4 are reset and removed, so that a space S is formed between the film product M and the sleeve 6, i.e., a space between the stress release film product M and the sleeve 6 is formed.

To illustrate the operation of the present invention more clearly, an embodiment is described in detail as follows:

firstly, the width of the produced membrane product M is confirmed, in the embodiment, the membrane product M is a lithium battery oil coating isolation membrane, the width is 600mm, therefore, the length of the adopted gas expansion structure T is 750mm, the diameter of the sleeve is 8 inches, the width is 650mm, the gas expansion structure T is assembled on the rolling structure, the sleeve 6 is sleeved on the gas expansion structure T, and the input inflation parameter is 2.2-2.5kg/cm ² To the air bag 2 of the air-inflated structure T, so that the air-inflated structure T is inflated to further expand the sleeve 6.

The film article M was fixed to the set 6 with a solid glue, and the coating parameters were set, as shown in table one.

TABLE I coating parameters

And finally, starting coating production, wherein the length of the membrane product is 1000M/roll, the membrane product is used for 28.57 minutes, after the coating production is finished, removing the air pressure in the air bag of the air release expansion structure T to enable the sleeve member 6 to retract, generating a stress release space inside the membrane product M to release stress, and after the membrane product M releases the stress for 1-2 hours, putting the membrane product M into the next process for slitting.

To sum up, the utility model discloses evenly strut the external member with gas expansion structure and carry out the rolling to reach the effect of eliminating membrane article stress, can realize reducing the flow time and reduce the beneficial effect of process complexity, and accord with the utility model aims at.

However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereto; therefore, all the simple equivalent changes and modifications made according to the patent protection scope and the content of the specification of the present invention still fall into the patent protection scope of the present invention.

Claims

1. A gas expansion structure, comprising:

a shaft member;

2. The inflatable structure as claimed in claim 1, comprising a first cover and a second cover, wherein the first cover is disposed at one end of the linking structure, and the second cover is disposed at the other end of the linking structure for fixing the linking structure.

3. The gas expansion structure according to claim 1, wherein the connecting member is a pull rod or a spring.

4. The air-inflated structure according to claim 1, wherein the connecting members are inserted through the side of the expansion shaft plates and connected between the first column and the second column by the connecting members, respectively, and when the air bag is inflated, the expansion shaft plates are pushed to a position according to the connecting members, and when the air bag is deflated, the expansion shaft plates are restored from the position according to the connecting members.

5. The air inflation structure as claimed in claim 1, wherein the cross-section of the expansion shaft plates has a T-shaped configuration, and the side of the expansion shaft plates penetrating the connection member is a protruded side, and the other side of the expansion shaft plates has an arc-shaped configuration.

6. The air-expansion structure according to claim 1, wherein the number of the expansion shaft plates is 6 to 15.

7. The air-expansion structure of claim 1, wherein the number of the expansion shaft plates is 12.

8. A winding device with a gas expansion structure is characterized by comprising:

a rolling structure;

the gas expandable structure of any one of claims 1 to 7, disposed on the wrap structure; and

9. The winding device with the air expansion structure as claimed in claim 8, wherein the film is an isolation film, and the film has a thickness of 5-21 um, a length of 1000-4000 m and a width of 500-1200 mm.

10. The winding device with the air expansion structure as claimed in claim 8, wherein the sleeve member is expanded to a predetermined diameter according to the expansion shaft plates of the air expansion structure, so that after the film product is wound by the winding structure, the expansion shaft plates of the air expansion structure are reset to allow a space between the film product and the sleeve member.