CN214059537U - Variable profile diaphragm roll - Google Patents
Variable profile diaphragm roll Download PDFInfo
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- CN214059537U CN214059537U CN202023025934.0U CN202023025934U CN214059537U CN 214059537 U CN214059537 U CN 214059537U CN 202023025934 U CN202023025934 U CN 202023025934U CN 214059537 U CN214059537 U CN 214059537U
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- winding drum
- diaphragm
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Abstract
The utility model relates to a reel technical field especially relates to a diaphragm reel of variable profile, include: the winding drum comprises a winding drum body used for winding a diaphragm, wherein the winding drum body is of a hollow cylindrical structure, a plurality of openings are formed in the winding drum body, a plurality of movable pressing blocks are further arranged on the winding drum body and correspond to the openings one by one, the movable pressing blocks penetrate through the openings, a plurality of arc-shaped sheets are arranged around the periphery of the winding drum body and correspond to the movable pressing blocks one by one, and one end of each movable pressing block is connected with the inner surface of the corresponding arc-shaped sheet; this internal gas-expansion layer that is provided with of reel, activity briquetting can realize the activity briquetting along the radial direction activity of reel body in corresponding the opening through aerifing and the gassing on gas-expansion layer. The utility model discloses a but the diaphragm reel of variable profile can avoid the glue coating to damage and roll up end diaphragm, and convenient inspection is to the problem of the coiling positive and negative of interior roll membrane and the internal stress that subducts the diaphragm and produce when coiling.
Description
Technical Field
The utility model relates to a reel technical field especially relates to a diaphragm reel of variable profile.
Background
The existing lithium battery diaphragm winding drum is of a hollow cylindrical structure as shown in the attached drawing 1, and has the following problems when in use:
1. newly roll up and need scribble glue on the reel and connect lithium battery diaphragm, when pasting lithium battery diaphragm through glue, because many micropores have on the lithium battery diaphragm, glue can permeate multilayer lithium battery diaphragm, and glue is harmful to lithium battery diaphragm, and the lithium battery diaphragm through glue infiltration is unable to be used, can cause the multilayer lithium battery diaphragm at the end of rolling up extravagant.
2. When lithium battery diaphragm carries out the rolling, if only twine a roll, the positive and negative of winding lithium battery diaphragm is judged to the winding afterbody of accessible, it is the prelude to inject here with the reel link, the end after the winding is the afterbody, if two rolls of diaphragms connect into a big book, twine simultaneously on a reel, be equivalent to the inside and roll up for A, connect a B book on A rolls up the basis, the afterbody of A book is connected with the prelude of B book, because B rolls up lithium battery diaphragm and exposes at outermost layer, so can judge the positive and negative through exposed afterbody, the positive and negative unable judgement of the winding A of inner circle lithium battery diaphragm.
3. When the lithium battery diaphragm is rolled, the diaphragm rolling machine has traction diaphragm tension, when a plurality of layers of diaphragms are wound on the winding drum, stress from outside to inside along the radial direction of the winding drum is generated, and if the stress is too large, the deformation of the diaphragm is damaged, so that the defects of wave collapse and the like are generated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the problem of among the prior art paste the lithium cell diaphragm through glue and cause the multilayer diaphragm at the bottom of rolling up extravagant, when twining two rolls of diaphragms, the diaphragm damage is caused to the too big internal stress that produces when interior roll of diaphragm can't judge positive and negative and diaphragm were convoluteed. The utility model provides a diaphragm reel of variable profile can make things convenient for thereby the diaphragm is fixed to be convoluteed, can avoid glue infiltration diaphragm to cause the waste of diaphragm and when twining two rolls of membranes, the convenient inspection is to the coiling positive and negative of interior roll of membrane and subducts the problem of the internal stress that the diaphragm produced when convoluteing.
The utility model provides a technical scheme that its technical problem adopted is: a variable profile diaphragm roll comprising: the winding drum comprises a winding drum body used for winding a diaphragm, wherein the winding drum body is of a hollow cylindrical structure, a plurality of openings are formed in the winding drum body, a plurality of movable pressing blocks are further arranged on the winding drum body, the movable pressing blocks correspond to the openings one by one, the movable pressing blocks penetrate through the openings, a plurality of arc-shaped sheets are arranged around the periphery of the winding drum body, the arc-shaped sheets correspond to the movable pressing blocks one by one, and one end of each movable pressing block is connected with the inner surface of the corresponding arc-shaped sheet; this internal gas-filled layer that is provided with of reel, the activity briquetting can realize the activity of activity briquetting along the radial direction of reel body in corresponding the opening through aerifing and the gassing on gas-filled layer.
Because the arc piece that sets up in the reel periphery is connected to the one end of activity briquetting, and the activity briquetting can realize through the inflation and the gassing on physiosis layer that the activity briquetting is in the radial direction activity of following the reel body in corresponding the opening, so the activity briquetting can drive the arc piece and move about along the radial direction of reel body in corresponding the opening, realizes the change of reel outline.
When the gas-filled winding drum is inflated, the gas-filled layer can realize that all movable pressing blocks synchronously jack up the arc-shaped sheet relative to the outer circumference of the winding drum body, and when the gas is deflated, all movable pressing blocks synchronously descend relative to the inner circle center of the winding drum body, so that the size of the outer contour of the winding drum can be adjusted. The inflatable layer drives all movable pressing blocks to synchronously ascend relative to the winding drum body to jack up all arc-shaped pieces and synchronously descend to drive all arc-shaped pieces to contract inwards, so that the outer contour of the winding drum is stably changed, and the generation of diaphragm bottom wrinkles can be reduced.
Preferably, the inflatable layer can realize that the arc-shaped sheet is completely separated from the outer surface of the winding drum body when being inflated.
The movable pressing block comprises: the winding drum comprises a first pressing plate and a connecting plate, wherein one end of the connecting plate is connected with the inner surface of an arc-shaped sheet, the other end of the connecting plate is fixedly connected with the first pressing plate, the first pressing plate is arranged on the inner surface of the winding drum body, the connecting plate penetrates through an opening, and the connecting plate can move along the radial direction of the winding drum body through the opening. The first pressing block and the arc-shaped sheet can limit the movable position of the movable pressing block in the opening.
Preferably, the movable pressing block is of a T-shaped structure along the radial section of the winding drum body.
In order to keep dynamic balance when the winding drum rotates, the arc-shaped sheets are uniformly arranged on the periphery of the winding drum body.
The inflatable layer is provided with air holes, the air holes are connected with an inflating device through air pipes, and the inflatable layer is inflated through the inflating device.
The beneficial effects of the utility model are that, the utility model discloses a but the diaphragm reel of variable profile, concrete effect is as follows:
1. insert between two adjacent arc pieces with the prelude of diaphragm, twine along the periphery of reel body after that, need not to use glue, can avoid adopting glue to connect among the prior art to lead to glue infiltration multilayer diaphragm, the diaphragm that permeates through glue can't use, and it is extravagant to produce the diaphragm.
2. If the diaphragm that waits to roll is when two rolls, be diaphragm A and diaphragm B respectively, insert the prelude of diaphragm A between two adjacent arcs, follow the periphery of reel body and twine diaphragm B on diaphragm A after that, form diaphragm A at the diaphragm roll of diaphragm B outside, because the prelude of diaphragm A inserts between two adjacent arcs, can leave the prelude of diaphragm A in the cavity between arc and reel body, can see through the prelude that remains in the cavity and judge diaphragm A's positive and negative.
3. The outer periphery of reel body is provided with a plurality of arcs around, the internal surface of arc and the one end fixed connection of activity briquetting to set up the gas pocket, when aerifing, the gas pocket can realize that all activity briquetting are for the outer circumference synchronous jack-up arc piece of reel body, and during the gassing, all activity briquetting descend for the interior centre of a circle of reel body is synchronous, make the outline size of reel adjustable. When the diaphragm is in the process of continuous winding, internal stress is generated to act on the arc-shaped sheet, the inflatable layer enables all movable pressing blocks to synchronously descend relative to the inner circle center of the winding drum body through deflation, and meanwhile, the arc-shaped sheet is driven to inwards tighten up, so that the internal stress generated when the diaphragm is wound is reduced. And the change of the outer contour of the winding drum is realized by adopting the inflation/deflation of the inflatable layer, the structure is simple, the operation is convenient, the parts do not need to be replaced, and the production cost can be reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of a prior art lithium battery separator roll;
FIG. 2 is a schematic view of a variable profile diaphragm reel of the present invention;
FIG. 3 is a schematic radial structure of a variable profile diaphragm reel of the present invention;
FIG. 4 is a schematic view of the opening of the variable profile diaphragm reel of the present invention;
FIG. 5 is a schematic view of the movable press block of the variable profile diaphragm reel of the present invention;
figure 6 is a schematic diagram of a variable profile separator roll winding separator a and separator B of the present invention.
Reference numerals:
1. the diaphragm winding drum comprises a diaphragm winding drum body, 2, a diaphragm, 3, a head part of the diaphragm A, 10, a winding drum body, 12, an opening, 20, an arc-shaped sheet, 30, a movable pressing block, 31, a first pressing plate, 32, a connecting plate, 40 and an inflatable layer.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 2 and 3, which are preferred embodiments of the present invention, a variable profile diaphragm reel comprises: the winding drum comprises a winding drum body 10 for winding a diaphragm, wherein the winding drum body 10 is of a hollow cylindrical structure, a plurality of openings 12 are formed in the winding drum body 10, a plurality of movable pressing blocks 30 are further arranged on the winding drum body 10, the movable pressing blocks 30 correspond to the openings 12 one by one, the movable pressing blocks 30 penetrate through the openings 12, a plurality of arc-shaped sheets 20 are arranged around the periphery of the winding drum body 10, the arc-shaped sheets 20 correspond to the movable pressing blocks 30 one by one, and one end of each movable pressing block 30 is connected with the inner surface of the corresponding arc-shaped sheet 20; the arc-shaped pieces 20 are uniformly arranged on the periphery of the winding drum body 10, and the arc-shaped pieces 20 are of plate-shaped structures.
The movable pressing block 30 includes: first clamp plate 31 and connecting plate 32, the internal surface of arc piece 20 is connected to the one end of connecting plate 32, the first clamp plate 31 of other end fixed connection of connecting plate 32, first clamp plate 31 sets up in reel body 10 internal surface, and connecting plate 32 runs through opening 12, and connecting plate 32 can follow the radial direction activity of reel body 10 through opening 12, and the radial cross-section of activity briquetting 30 along reel body 10 is the T word structure.
As shown in fig. 4 and 5, the width of the first presser plate 31 is d1, the width of the connecting plate 32 is d2, and the width of the opening is d3, wherein d1> d3, and d3> d2, i.e., the width of the first presser plate 31 is greater than the width of the opening 12, so that the first presser plate 31 cannot pass through the opening 12, the width of the opening 12 is greater than the width of the connecting plate 32, and the connecting plate 32 can move between the first presser plate 31 and the arc-shaped piece 20 through the opening 12 in the radial direction of the roll body 10.
An inflatable layer 40 is arranged in the reel body 10, and the movable pressing block 30 can move along the radial direction of the reel body 10 in the corresponding opening 12 through inflation and deflation of the inflatable layer 40. The inflatable layer 40 can realize that all the movable pressing blocks 30 synchronously jack up the arc-shaped sheet 20 relative to the outer circumference of the winding drum body 10, and all the movable pressing blocks 30 synchronously descend relative to the inner circle center of the winding drum body 10, so that the size of the outer contour of the winding drum can be adjusted. The inflatable layer 40 can realize that the arc piece 20 breaks away from completely with the surface of reel body 10 when aerifing, and arc piece 20 and reel body 10 contactless promptly are equipped with the gas pocket on the inflatable layer 40, and the gas pocket is connected with aerating device through the trachea.
The utility model discloses a but the diaphragm reel of variable profile, concrete effect is as follows:
1. insert the prelude of diaphragm between two adjacent arcs 20, twine along the periphery of reel body 10 after that, need not to use glue, can avoid prior art diaphragm 2 winding to adopt glue to connect on prior art diaphragm reel 1 to lead to glue infiltration multilayer diaphragm, the diaphragm of gluing infiltration can't use, and it is extravagant to produce the diaphragm.
2. As shown in fig. 6, if the separator to be rolled is two rolls, the separator a and the separator B are respectively, the head part 3 of the separator a is inserted between two adjacent arc-shaped pieces 20, then the separator B is wound along the outer circumference of the roll body 10, then the separator B is wound on the separator a, so that a separator roll with the separator a outside the inner separator B is formed, and since the head part 3 of the separator a is inserted between two adjacent arc-shaped pieces 20, the head part 3 of the separator a remains in the cavity between the arc-shaped pieces 20 and the roll body 10, and the front and back surfaces of the separator a can be determined through the head part 3 of the inner separator a in the cavity.
3. The outer periphery of the winding drum body 10 is provided with a plurality of arc-shaped pieces 20 in a surrounding manner, the inner surfaces of the arc-shaped pieces 20 are fixedly connected with one ends of the movable pressing blocks 30, and the inflatable layer 40 is arranged, so that when the winding drum is inflated, the inflatable layer 40 can realize that all the movable pressing blocks 30 synchronously jack up the arc-shaped pieces 20 relative to the outer periphery of the winding drum body 10, and when the winding drum is deflated, all the movable pressing blocks 30 synchronously descend relative to the inner circle center of the winding drum body 10, so that the size of the outer contour of the winding drum can be adjusted. When the diaphragm is continuously wound, internal stress is generated to act on the arc-shaped sheet 20, the inflatable layer 40 enables all the movable pressing blocks 30 to synchronously descend relative to the inner circle center of the winding drum body 10 through deflation, and meanwhile, the arc-shaped sheet 20 is driven to inwards tighten, and the internal stress generated when the diaphragm is wound is reduced. And the change of the outer contour of the winding drum is realized by adopting the inflation/deflation of the inflatable layer 40, the structure is simple, the operation is convenient, the parts do not need to be replaced, and the production cost can be reduced.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A variable profile diaphragm roll comprising: the winding drum comprises a winding drum body (10) used for winding a diaphragm, wherein the winding drum body (10) is of a hollow cylindrical structure, and is characterized in that a plurality of openings (12) are formed in the winding drum body (10), a plurality of movable pressing blocks (30) are further arranged on the winding drum body (10), the movable pressing blocks (30) correspond to the openings (12) one by one, the movable pressing blocks (30) penetrate through the openings (12), a plurality of arc-shaped sheets (20) are arranged around the periphery of the winding drum body (10), the arc-shaped sheets (20) correspond to the movable pressing blocks (30) one by one, and one end of each movable pressing block (30) is connected with the inner surface of the corresponding arc-shaped sheet (20); the novel winding drum is characterized in that an inflatable layer (40) is arranged in the winding drum body (10), and the movable pressing block (30) can be inflated and deflated through the inflatable layer (40) to enable the movable pressing block (30) to move in the radial direction of the winding drum body (10) in the corresponding opening (12).
2. A variable-profile diaphragm roll according to claim 1, wherein the inflatable layer (40) is capable of synchronously jacking the arc-shaped pieces (20) of all the movable pressing blocks (30) relative to the outer circumference of the roll body (10), and synchronously descending all the movable pressing blocks (30) relative to the inner circle center of the roll body (10), so that the size of the outer profile of the roll is adjustable.
3. A variable-profile diaphragm reel as claimed in claim 1, wherein said movable mass (30) comprises: first clamp plate (31) and connecting plate (32), the internal surface of arc piece (20) is connected to the one end of connecting plate (32), the other end fixed connection of connecting plate (32) first clamp plate (31), first clamp plate (31) set up in reel body (10) internal surface, connecting plate (32) run through opening (12), connecting plate (32) can be followed the radial direction activity of reel body (10) through opening (12).
4. A variable-profile diaphragm roll as claimed in claim 3, wherein the movable mass (30) is T-shaped in radial cross-section along the roll body (10).
5. A variable profile diaphragm roll as claimed in claim 1, wherein a plurality of said arcuate segments (20) are uniformly disposed about the circumference of said roll body (10).
6. A variable profile membrane roll as claimed in claim 1, wherein said inflatable layer (40) is provided with air holes, said air holes being connected to inflation means via air tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023025934.0U CN214059537U (en) | 2020-12-16 | 2020-12-16 | Variable profile diaphragm roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023025934.0U CN214059537U (en) | 2020-12-16 | 2020-12-16 | Variable profile diaphragm roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214059537U true CN214059537U (en) | 2021-08-27 |
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ID=77408644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023025934.0U Active CN214059537U (en) | 2020-12-16 | 2020-12-16 | Variable profile diaphragm roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214059537U (en) |
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2020
- 2020-12-16 CN CN202023025934.0U patent/CN214059537U/en active Active
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