CN213321794U - Laminating device of wireless magnetism isolating sheet for charging - Google Patents
Laminating device of wireless magnetism isolating sheet for charging Download PDFInfo
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- CN213321794U CN213321794U CN202022014184.0U CN202022014184U CN213321794U CN 213321794 U CN213321794 U CN 213321794U CN 202022014184 U CN202022014184 U CN 202022014184U CN 213321794 U CN213321794 U CN 213321794U
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Abstract
The utility model discloses a wireless laminating device that charges with separating magnetic sheet. Wireless laminating device with magnetic separation piece that charges includes: the magnetic shielding sheet comprises a plurality of first steering rollers, a plurality of second steering rollers and a plurality of magnetic shielding sheets, wherein the first steering rollers are arranged at intervals in the vertical direction and are used for winding and steering a magnetic shielding sheet strip; the solution tank is arranged at the downstream of the first steering roller and used for containing glue solution, a sink roller is arranged in the solution tank, and the magnetic separation sheet strips on the first steering roller are stacked on the sink roller to be impregnated so as to integrate the magnetic separation sheet strips; the embossing roller group is arranged at the downstream of the solution tank and comprises an embossing roller and a plane roller which are oppositely arranged, and the embossing roller and the plane roller are matched to enable the embossing roller to extrude cracks on the magnetism isolating sheet strip; and the drying oven is arranged at the downstream of the embossing roller set and is used for drying the impregnated magnetism isolating sheet strip. The utility model discloses a laminating device can reduce magnetism isolating sheet thickness, and enables that the insulating effect is better between the piece unit of magnetism isolating sheet after the lobe of a leaf.
Description
Technical Field
The utility model relates to a wireless charging makes technical field with magnetism isolating sheet, especially relates to a wireless charging is with laminating device of magnetism isolating sheet.
Background
The wireless charging technology is derived from a wireless power transmission technology, and refers to a technology for charging a device with a battery by using an electromagnetic wave induction principle or other related alternating current induction technologies and using corresponding equipment to send and receive induced alternating current signals at a sending end and a receiving end without using an electric lead.
The wireless charging technology generally adopts amorphous or/and nanocrystalline to manufacture the magnetic separation sheet, generally adopts a rapid hardening and rapid quenching method to manufacture amorphous or/and nanocrystalline strips (the amorphous or/and nanocrystalline strips can be amorphous strips, nanocrystalline strips or amorphous nanocrystalline strips, wherein the amorphous nanocrystalline strips are strips containing amorphous and nanocrystalline), then carries out annealing treatment on the manufactured strips, then pastes glue on the strips, carries out splitting treatment on the strips, laminates multilayer strips, and then carries out punching on the laminated multilayer strips to obtain the magnetic separation sheet.
In the prior art, after annealing treatment is carried out on a strip material, double-sided adhesive tapes are required to be adhered to two surfaces of the strip material, and for the magnetic separation sheet comprising a single-layer strip material, the double-sided adhesive tapes are used for protecting the strip material; for the magnetic separation sheet comprising the multilayer strip, the double-sided adhesive tape positioned on the outer side after the multilayer strip is laminated is used for protecting the strip, and the double-sided adhesive tape positioned between two adjacent layers of strip plays a role of bonding the two adjacent layers of strip together on one hand and plays a role of insulating the two adjacent layers of strip on the other hand. However, the split strip is broken into a plurality of fragment units, the width of the gap between adjacent fragment units is usually submicron, and the double-sided adhesive tape is difficult to penetrate into the gap, so that the insulation effect between adjacent fragment units is poor, and the manufactured magnetic separation sheet generates a large eddy current in the use process. In addition, the double-sided adhesive bonding mode also enables the thickness of the strip to be larger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wireless laminating device with magnetism isolating sheet that charges to it is great with the thickness of magnetism isolating sheet strip to charge among the solution prior art, and the relatively poor problem of insulating effect between the fragment unit on the magnetism isolating sheet.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a wireless laminating device that charges with separating magnetic sheet, includes:
the magnetic shielding sheet comprises a plurality of first steering rollers, wherein the first steering rollers are arranged at intervals in the vertical direction and are used for winding and steering a magnetic shielding sheet strip;
the solution tank is arranged at the downstream of the first steering roller and used for containing glue solution, a sink roller is arranged in the solution tank, and the magnetism isolating sheet strips on the first steering roller are stacked on the sink roller and are impregnated so as to integrate the magnetism isolating sheet strips;
the embossing roller group is arranged at the downstream of the solution tank and comprises an embossing roller and a plane roller which are oppositely arranged, and the embossing roller and the plane roller are matched so that the embossing roller can extrude cracks on the magnetism isolating sheet strip;
and the drying oven is arranged at the downstream of the embossing roller set and is used for drying the impregnated magnetism isolating sheet strip.
In an alternative embodiment of the present invention, a second turning roller is disposed between the solution tank and the impression roller set.
In an alternative embodiment of the present invention, the number of the first turning rolls is four.
In an optional embodiment of the present invention, the sinking roller is at least partially immersed in the glue solution in the solution tank.
In an alternative embodiment of the present invention, the first steering roller is spaced apart from the sink roller by a predetermined distance in a horizontal direction.
In an alternative embodiment of the invention, the gap between the embossing roll and the flat roll is 7-23 μm.
In an alternative embodiment of the invention, the gap between the embossing roll and the flat roll is 10 μm, 15 μm or 20 μm.
In an alternative embodiment of the invention, the sheet-like spacer strip is divided into a plurality of chip units by the cracks pressed out by the embossing roller group, the width dimension of the chip units being 0.1-3.5 mm.
In an alternative embodiment of the invention, the width dimension of the debris unit is 1 mm.
In an alternative embodiment of the invention, the width dimension of the debris unit is 0.2mm or 3 mm.
The utility model discloses an useful part lies in: the arrangement of the first steering rollers enables the plurality of magnetic separation sheet strips to pass through the first steering rollers and then be stacked on the sinking roller in the solution tank for gum dipping, the plurality of magnetic separation sheet strips are integrated without being bonded by double-sided adhesive, and the thickness of the integrated magnetic separation sheet strip formed by the plurality of magnetic separation sheet strips is reduced; in addition, the embossing roller group is arranged at the downstream of the solution tank, after gum dipping, the integrated magnetism isolating sheet is pressed out of cracks by the embossing roller group, and then the colloid can infiltrate into the cracks, so that good insulation between the fragment units is realized, and eddy current loss is reduced; the laminating device is simple in structure, and the forming process of the magnetic separation sheet for wireless charging is optimized.
Drawings
Fig. 1 is a schematic structural view of a bonding device of a magnetic separation sheet for wireless charging according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a bonding device of a magnetic separation sheet for wireless charging according to another embodiment of the present invention.
In the figure:
1. a sheet-like magnetic separator sheet; 10. a first steering roller; 20. a solution tank; 21. sinking the roller; 30. an embossing roller set; 31. a platen roller; 32. a flat roller; 40. an oven; 50. a second turning roll.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The utility model provides a wireless laminating device with magnetism-isolating piece that charges, figure 1 is the embodiment of the utility model provides an in the embodiment of the wireless structural schematic diagram of laminating device with magnetism-isolating piece that charges, as shown in figure 1, the laminating device includes first steering roll 10, solution tank 20, impression roller set 30 and oven 40. The number of the first turning rollers 10 is multiple, the first turning rollers 10 are arranged at intervals in the vertical direction, each first turning roller 10 is used for winding and turning one magnetism isolating sheet strip 1, and the turned magnetism isolating sheet strip 1 enters the solution tank 20. After being unfolded, each coil of the heat-treated magnetism-isolating sheet strip 1 is wound onto a first turning roller 10, turned by the first turning roller 10 and then enters a solution tank 20.
The solution tank 20 is arranged at the downstream of the first steering roller 10, the solution tank 20 is filled with glue solution, the solution tank 20 is internally provided with a sinking roller 21, the magnetic separation sheet strips 1 on the first steering roller 10 are steered by the first steering roller 10 and then are superposed on the sinking roller 21 for glue dipping, so that the magnetic separation sheet strips 1 are bonded into a whole by the glue solution, a plurality of magnetic separation sheet strips 1 are not required to be bonded together by a double-sided adhesive tape, the thickness of the bonded double-sided adhesive tape can be reduced by bonding the magnetic separation sheet strips 1 in a manner of superposing the magnetic separation sheet strips 1 on the sinking roller 21 for glue dipping, the step of bonding the double-sided adhesive tape can be omitted, and the process is simplified.
The embossing roller set 30 is arranged at the downstream of the solution tank 20, the embossing roller set 30 comprises an embossing roller 31 and a plane roller 32 which are oppositely arranged, embossing grains are arranged on the surface of the embossing roller 31, the surface of the plane roller 32 is a plane, the impregnated strip material penetrates between the embossing roller 31 and the plane roller 32, the embossing roller 31 and the plane roller 32 are matched to enable the embossing roller 31 to extrude cracks on the strip material, so that a fragmentation unit is formed on the strip material, and when the amorphous nanocrystalline magnetic separation sheet is used for wireless charging, fragmentation treatment is needed to be carried out in order to reduce eddy current loss, improve quality factors and improve temperature rise. Because the magnetism isolating sheet strip 1 is firstly dipped in glue by the solution tank 20 and then split, the glue can be pressed into cracks during stamping, so that the fragment units are insulated by the glue, the insulativity between the fragment units is better, and the eddy current loss of the magnetism isolating sheet is reduced. If the double-sided adhesive is used for bonding, the crack gap is small, the double-sided adhesive cannot enter the crack, the insulativity between the fragment units is poor, and the eddy current loss is large. The width dimension of the debris unit is 0.1-3.5mm, the width dimension of the debris unit refers to the maximum dimension of the width of the debris unit, and the shape of the debris unit is not limited. The gap between the embossing roll 31 and the flat roll 32 is 7-23 μm.
An oven 40 is disposed downstream of the impression roller assembly 30 for drying the impregnated strip. The oven 40 may be replaced with other drying devices, and is not limited herein.
As shown in fig. 1, the number of the first turning rolls 10 is four, that is, after four rolls of the heat-treated magnetic shielding sheet strip 1 are unwound, the four rolls are wound onto the four first turning rolls 10, and the four magnetic shielding sheet strips 1 are stacked on the sink roll 21 and dipped in glue to form an integrated strip formed by stacking the four magnetic shielding sheet strips 1.
The first steering roller 10 and the sink roller 21 are spaced by a preset distance d in the horizontal direction, so that the magnetism isolating sheet strips 1 are not vertically attached to the surface of the sink roller 21, but are wound on the sink roller 21 in a certain inclination direction in a pulling mode, glue solutions can be respectively applied to the magnetism isolating sheet strips 1 when the magnetism isolating sheet strips 1 are still separated from each other before the magnetism isolating sheet strips 1 are attached to the sink roller 21, the glue solutions can well wrap the magnetism isolating sheet strips 1, the magnetism isolating sheet strips 1 are fully impregnated, the adhesion effect is improved, and the insulation effect among fragment units after the fragmentation treatment can also be improved.
With reference to fig. 1, the sinking roller 21 is at least partially immersed in the glue solution in the solution tank 20, so as to ensure that the magnetic-shielding sheet strip 1 can be well immersed in the glue solution. Of course, the sink roll 21 may be completely immersed in the glue solution in the solution tank 20.
Fig. 2 is the utility model discloses another embodiment is wireless charging with laminating device of magnetism barrier piece's structure sketch map, as shown in fig. 2, be provided with second turning roll 50 between solution tank 20 and the impression roller set 30, set up second turning roll 50 and made magnetism barrier piece strip 1 turn to through second turning roll 50 earlier and then move to the impression roller set 30 on the fracture is handled, can guarantee the effect that the fracture was handled, turn to through second turning roll 50 and avoid magnetism barrier piece strip 1 in solution tank 20 directly to pull impression roller set 30, inclination is great to influence the effect that the fracture was handled. Preferably, the height of the second turning roll 50 may be substantially the same as the height of the nip roll group 30 so that the magnetism-shielding sheet strip 1 moves horizontally as much as possible to the nip roll group 30.
The first embodiment is as follows:
the coiled material of 4 heat-treated magnetism-isolating sheet strips 1 is unfolded, then the magnetism-isolating sheet strips 1 continuously pass through a first turning roll 10, are immersed into glue solution formed by insulating media in a solution tank 20, are gathered and attached on a sinking roll 21 in the glue solution, and are transported to the embossing roll group 30 through a second turning roll 50 to be subjected to splitting treatment. The stay time of the magnetic separation sheet strip 1 in the glue solution is 0.2 s. The platen roller 31 and the flat roller 32 sandwich four tapes to which the insulating glue is bonded, and the tapes are cracked by the platen roller 31. The width dimension of the fine debris units between the cracks was 0.2 mm. The pressure between the flat roller 32 and the impression roller 31 was 0.1Mpa, and the size of the nip between the flat roller 32 and the impression roller 31 was 10 μm. And finally, continuously feeding the cracked strip into a drying device arranged behind a stamping roller 31 for drying and curing treatment, wherein the drying temperature is 30 ℃, and the drying time is 0.2 min.
Table 1 to table 4 show the utility model provides a in the first performance contrast of the strip of each item performance and other shaping mode preparation of the strip that forms of preparation, what "double-deck insulating glue solution laminating" expressed in the table does the utility model provides a in the first strip that forms of preparation, and "double faced adhesive tape laminating" and "single-deck insulating glue solution film" then are the strip of the shaping technology preparation of other two kinds of differences, can see out by table 1 to table 4, the utility model provides a quality factor Q value of the strip of "double-deck insulating glue solution laminating" preparation in the first embodiment rises to some extent than other two kinds of modes, and resistance Rs reduces to the charge efficiency who makes the strip risees, and the loss reduces.
TABLE 1
| Number of layers | Bonding method | Thickness (mm) |
| 4 | Double-sided adhesive tape lamination | 118 |
| 4 | Single-layer insulating glue solution film | 108 |
| 4 | Double-layer insulation glue solution lamination | 98 |
TABLE 2
TABLE 3
TABLE 4
Example two:
the coiled material of 4 heat-treated magnetism-isolating sheet strips 1 is unfolded, then the magnetism-isolating sheet strips 1 continuously pass through a first turning roll 10, are immersed into glue solution formed by insulating media in a solution tank 20, are gathered and attached on a sinking roll 21 in the glue solution, and are transported to the embossing roll group 30 through a second turning roll 50 to be subjected to splitting treatment. The stay time of the magnetic separation sheet strip 1 in the glue solution is 1 s. The platen roller 31 and the flat roller 32 sandwich four tapes to which the insulating glue is bonded, and the tapes are cracked by the platen roller 31. The width dimension of the fine debris units between the cracks was 1 mm. The pressure between the flat roller 32 and the impression roller 31 was 0.5Mpa, and the gap size between the flat roller 32 and the impression roller 31 was 15 μm. And finally, continuously feeding the cracked strip into a drying device arranged behind the embossing roller 31 for drying and curing, wherein the drying temperature is 35 ℃, and the drying time is 0.5 min.
Table 5 to table 8 show the utility model discloses the performance contrast of the strip of each item performance of the strip that forms and other shaping mode preparation in the embodiment two can be seen from table 5 to table 8, the utility model discloses quality factor Q value of the strip of "double-deck insulating glue solution laminating" preparation in the embodiment two risees to some extent than other two kinds of modes, and resistance Rs reduces to the charge efficiency who makes the strip risees, and the loss reduces.
TABLE 5
| Number of layers | Bonding method | Thickness (mm) |
| 4 | Double-sided adhesive tape lamination | 118 |
| 4 | Single-layer insulating glue solution film | 108 |
| 4 | Double-layer insulation glue solution lamination | 98 |
TABLE 6
TABLE 7
TABLE 8
Example three:
the coiled material of 4 heat-treated magnetism-isolating sheet strips 1 is unfolded, then the magnetism-isolating sheet strips 1 continuously pass through a first turning roll 10, are immersed into glue solution formed by insulating media in a solution tank 20, are gathered and attached on a sinking roll 21 in the glue solution, and are transported to the embossing roll group 30 through a second turning roll 50 to be subjected to splitting treatment. The stay time of the magnetic separation sheet strip 1 in the glue solution is 2 s. The platen roller 31 and the flat roller 32 sandwich four tapes to which the insulating glue is bonded, and the tapes are cracked by the platen roller 31. The width dimension of the fine debris units between the cracks was 3 mm. The pressure between the flat roller 32 and the impression roller 31 was 0.8Mpa, and the gap size between the flat roller 32 and the impression roller 31 was 20 μm. And finally, continuously feeding the cracked strip into a drying device arranged behind the embossing roller 31 for drying and curing treatment, wherein the drying temperature is 40 ℃, and the drying time is 1 min.
Table 9 to table 12 show the utility model discloses the performance contrast of the strip of each item performance of the strip that forms and other shaping mode preparation in the embodiment three can be seen from table 9 to table 12, the utility model discloses the quality factor Q value of the strip of "double-deck insulating glue solution laminating" preparation in the embodiment three risees to some extent than other two kinds of modes, and resistance Rs reduces to the charge efficiency who makes the strip risees, and the loss reduces.
TABLE 9
| Number of layers | Bonding method | Thickness (mm) |
| 4 | Double-sided adhesive tape lamination | 118 |
| 4 | Single-layer insulating glue solution film | 108 |
| 4 | Double-layer insulation glue solution lamination | 98 |
TABLE 11
TABLE 12
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a wireless laminating device that charges with magnetic separation piece which characterized in that includes:
the magnetic shielding sheet is characterized by comprising a plurality of first steering rollers (10), wherein the first steering rollers (10) are arranged at intervals in the vertical direction, and each first steering roller (10) is used for winding and steering a magnetic shielding sheet strip (1);
the solution tank (20) is arranged at the downstream of the first steering roller (10) and used for containing glue solution, a sink roller (21) is arranged in the solution tank (20), and the magnetism isolating sheet strips (1) on the first steering roller (10) are stacked on the sink roller (21) and are impregnated so that the magnetism isolating sheet strips (1) are integrated;
the embossing roller group (30) is arranged at the downstream of the solution tank (20) and comprises an embossing roller (31) and a plane roller (32) which are oppositely arranged, and the embossing roller (31) and the plane roller (32) are matched to enable the embossing roller (31) to press cracks on the magnetism isolating sheet strip material (1);
and the drying oven (40) is arranged at the downstream of the embossing roller set (30) and is used for drying the impregnated magnetism isolating sheet strip (1).
2. The bonding apparatus for a wirelessly chargeable magnetic separator according to claim 1, wherein a second steering roller (50) is provided between the solution tank (20) and the impression roller set (30).
3. The bonding apparatus for a magnetism-shielding sheet for wireless charging according to claim 1, wherein the number of the first steering rollers (10) is four.
4. The bonding device of a magnetism-isolating sheet for wireless charging according to claim 1, wherein the sink roll (21) is at least partially immersed in the glue solution in the solution tank (20).
5. The bonding apparatus for a magnetism-shielding sheet for wireless charging according to claim 1, wherein said first steering roller (10) is horizontally spaced from said sink roller (21) by a predetermined distance.
6. The bonding apparatus for a magnetism-shielding sheet for wireless charging according to claim 1, wherein the gap between said platen roller (31) and said flat roller (32) is 7 to 23 μm.
7. The bonding apparatus for a magnetism-shielding sheet for wireless charging according to claim 1, wherein the gap between said platen roller (31) and said flat roller (32) is 10 μm, 15 μm or 20 μm.
8. The bonding apparatus of a spacer for wireless charging according to claim 1, wherein the spacer strip (1) is divided into a plurality of fragment units by cracks pressed out by the impression roller set (30), and the width dimension of the fragment units is 0.1-3.5 mm.
9. The bonding apparatus for a magnetism-shielding sheet for wireless charging according to claim 8, wherein the width dimension of the debris unit is 1 mm.
10. The bonding apparatus for a magnetism-shielding sheet for wireless charging according to claim 8, wherein the width dimension of the debris unit is 0.2mm or 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022014184.0U CN213321794U (en) | 2020-09-15 | 2020-09-15 | Laminating device of wireless magnetism isolating sheet for charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022014184.0U CN213321794U (en) | 2020-09-15 | 2020-09-15 | Laminating device of wireless magnetism isolating sheet for charging |
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| Publication Number | Publication Date |
|---|---|
| CN213321794U true CN213321794U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022014184.0U Active CN213321794U (en) | 2020-09-15 | 2020-09-15 | Laminating device of wireless magnetism isolating sheet for charging |
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| CN (1) | CN213321794U (en) |
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