CN213700594U - Two-sided coating machine of two-layer structure - Google Patents
Two-sided coating machine of two-layer structure Download PDFInfo
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- CN213700594U CN213700594U CN202022480643.4U CN202022480643U CN213700594U CN 213700594 U CN213700594 U CN 213700594U CN 202022480643 U CN202022480643 U CN 202022480643U CN 213700594 U CN213700594 U CN 213700594U
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Abstract
The utility model belongs to the technical field of diaphragm production facility, concretely relates to two-sided coating machine of two-layer structure, include: a housing; the unwinding mechanism is positioned on the first layer of the shell; the oven is positioned on the second layer of the shell; the double-sided coating mechanism is used for coating the two sides of the diaphragm transmitted from the unwinding mechanism and conveying the diaphragm to the oven; a winding mechanism; and the driving mechanism drives the diaphragm to finish double-sided coating sequentially through the unwinding mechanism, the double-sided coating mechanism, the oven and the winding mechanism. By the design of the two-layer structure, the floor area of the two-layer structure double-side coating machine is greatly saved, and the use cost of the two-layer structure double-side coating machine is saved; the drying oven is arranged on the second layer of the double-sided coating machine with the two-layer structure, so that direct contact with high-temperature equipment is avoided, and the safety of the double-sided coating machine with the two-layer structure is improved.
Description
Technical Field
The utility model belongs to the technical field of diaphragm production facility, concretely relates to two-sided coating machine of super wide two-layer structure.
Background
The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The diaphragm with a single base material can not meet the use requirement of the lithium battery industry on the diaphragm, and at present, functional coatings such as ceramic and the like are often coated on the surface of the diaphragm to improve the high temperature resistance and other performances of the diaphragm.
At present, a conventional coating machine adopts a single-side coating mode, when the diaphragm needs to be coated on two sides, the diaphragm often needs to be coated on one side and dried, and then coated on the other side, so that the coating efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a two-sided coating machine of two-layer structure to the improvement carries out the coating efficiency of two-sided coating to the diaphragm.
In order to solve the technical problem, the utility model provides a two-layer structure's two-sided coating machine, include: a housing; the unwinding mechanism is positioned on the first layer of the shell; the oven is positioned on the second layer of the shell; the double-sided coating mechanism is used for coating the two sides of the diaphragm transmitted from the unwinding mechanism and conveying the diaphragm to the oven; a winding mechanism; and the driving mechanism drives the diaphragm to finish double-sided coating sequentially through the unwinding mechanism, the double-sided coating mechanism, the oven and the winding mechanism.
Further, the width of the double-side coater with the two-layer structure is not less than 3 m.
Further, the double-sided coating mechanism includes: the first coating assembly and the first vacuum adsorption roller are positioned on the first layer of the shell, and the second coating assembly and the second vacuum adsorption roller are positioned on the second layer of the shell; wherein the first coating component and the second coating component respectively coat the first side and the second side of the diaphragm from the lower part of the diaphragm; the driving mechanism drives the diaphragm to sequentially pass through the first coating assembly, the first vacuum adsorption roller, the second vacuum adsorption roller and the second coating assembly to complete double-sided coating.
Further, each coating assembly comprises: a wire bar coating head and a feeding die head which are arranged on the shell; the material supply die head is suitable for supplying coating slurry to the corresponding wire rod coating head, so that the wire rod coating head coats the slurry on the surface of the diaphragm.
Further, the oven includes: the chain clamps are positioned on two sides of the oven and arranged along the transmission direction of the diaphragm; the driving mechanism is suitable for driving the chain clamp to enable the diaphragm to be dried by the oven and then sent to the winding mechanism.
Further, the length of the oven does not exceed 10 m.
Further, unwinding mechanism includes: an unwinding shaft and a feeding drafting assembly; the driving mechanism drives the feeding drafting assembly to pull out and flatten the diaphragm from the unwinding shaft, and then the diaphragm is transmitted to the double-sided coating mechanism.
Further, the winding mechanism includes: a winding shaft and a material receiving drafting assembly; the driving mechanism drives the material receiving drafting assembly to wind the diaphragm on the winding shaft.
Further, the double-side coating machine also comprises a heat treatment mechanism; the heat treatment mechanism is suitable for carrying out heat treatment on the diaphragm dried by the oven.
Further, the double-side coater further includes: the winding tension detection module is connected with the control module; the winding tension detection module is electrically connected with the control module so as to send the winding tension value of the diaphragm to the control module; the control module is electrically connected with the driving mechanism to control the driving mechanism to rotate according to the winding tension value of the diaphragm.
The utility model has the advantages that the utility model provides a double-sided coating machine with a two-layer structure, the driving mechanism drives the membrane to transmit the membrane from the unreeling mechanism positioned at the first layer in the shell to the double-sided coating mechanism for double-sided coating, and the membrane is rolled by the reeling mechanism after being transmitted to the oven positioned at the second layer in the shell for drying, so as to complete double-sided coating of the membrane; by the design of the two-layer structure, the floor area of the two-layer structure double-side coating machine is greatly saved, and the use cost of the two-layer structure double-side coating machine is saved; the drying oven is arranged on the second layer of the double-sided coating machine with the two-layer structure, so that direct contact with high-temperature equipment is avoided, and the safety of the double-sided coating machine with the two-layer structure is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a two-layer double-side coater of the present invention;
fig. 2 is a schematic structural diagram of an oven of the double-sided coating machine with a two-layer structure according to the present invention;
fig. 3 is a schematic structural view of a chain clip of an oven of the double-sided coater with a two-layer structure according to the present invention;
FIG. 4 is a schematic block diagram of a two-layer double-side coater of the present invention;
fig. 5 is a schematic structural view of another embodiment of the double-side coater of the two-layer structure according to the present invention.
In the figure:
1-a shell; 2, an unwinding mechanism; 21-unwinding the shaft; 22-feeding drafting assembly; 3-a double-sided coating mechanism; 31-a first coating assembly; 311-bar coating head; 312-a feed die; 32-a second coating assembly; 33-a first vacuum suction roll; 34-a second vacuum suction roll; 4-baking oven; 41-chain clamp; 5-a winding mechanism; 51-a material receiving shaft; 52-a material receiving drafting assembly; 6-a heat treatment mechanism; 7-a diaphragm.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment 1 provides a two-side coater of a two-layer structure, including: a housing 1; the unwinding mechanism 2 is positioned on the first layer of the shell 1; an oven 4 positioned on the second layer of the housing 1; the double-sided coating mechanism 3 is used for coating the two sides of the diaphragm 7 transmitted from the unwinding mechanism 2 and transmitting the diaphragm to the oven 4; a winding mechanism 5; and the driving mechanism drives the diaphragm 7 to finish double-sided coating sequentially through the unreeling mechanism 2, the double-sided coating mechanism 3, the oven 4 and the reeling mechanism 5.
Specifically, the driving mechanism drives the diaphragm 7 to transmit the diaphragm 7 to the double-sided coating mechanism 3 from the unwinding mechanism 2 located in the first layer of the shell 1 for double-sided coating, and the diaphragm 7 is conveyed to the oven 4 located in the second layer of the shell 1 for drying and then wound by the winding mechanism 5 to complete double-sided coating of the diaphragm 7.
In the two-layer structure double-side coater provided in this embodiment 1, through the design of the two-layer structure, the floor area of the two-layer structure double-side coater is greatly saved, and the use cost of the two-layer structure double-side coater is saved; the drying oven 4 is arranged on the second layer of the double-sided coating machine with the two-layer structure, so that direct contact with high-temperature equipment is avoided, and the safety of the double-sided coating machine with the two-layer structure is improved.
Optionally, the width of the two-layer double-side coater is not less than 3m, so that the double-side coater is suitable for coating a wider diaphragm 7, the problem that the traditional coater can only coat a diaphragm 7 with the width less than 1.2m is solved, and the production efficiency of coating the diaphragm 7 is improved.
As an alternative embodiment of the double-side coating mechanism 3.
Optionally, the double-sided coating mechanism 3 includes: a first coating unit 31 and a first vacuum suction roll 33 positioned at a first layer of the casing 1, and a second coating unit 32 and a second vacuum suction roll 34 positioned at a second layer of the casing 1; wherein the first coating assembly 31 and the second coating assembly 32 respectively coat the first side and the second side of the diaphragm 7 from below the diaphragm 7; the driving mechanism drives the diaphragm 7 to sequentially pass through the first coating assembly 31, the first vacuum adsorption roller 33, the second vacuum adsorption roller 34 and the second coating assembly 32 to complete double-sided coating.
Wherein, optionally, each coating assembly comprises: a bar coating head 311 and a feed die 312 mounted on the housing 1; the supply die 312 is adapted to supply the coating slurry to the corresponding bar coating head 311, so that the bar coating head 311 coats the surface of the separator 7 with the slurry.
Specifically, coating slurry is supplied to the bar coating head 311 from a supply die 312 located in the first layer of the housing 1, so that the bar coating head 311 coats the first surface of the diaphragm 7 from below the diaphragm 7 to save the coating slurry; the first vacuum adsorption roller 33 and the second vacuum adsorption roller 34 are driven by a driving mechanism to transmit the diaphragm 7 to the second layer of the shell 1, and at the moment, the coated first surface of the diaphragm 7 is not in contact with the first vacuum adsorption roller 33 and the second vacuum adsorption roller 34, so that the coated slurry is prevented from being infected by the first vacuum adsorption roller 33 and the second vacuum adsorption roller 34 to influence the coating effect; after the second side of the membrane 7 is coated from below the membrane 7 by a second coating assembly 32 located at the second layer of the housing 1, the membrane 7 is directly transferred to the oven 4 at the second layer of the housing 1.
Alternatively, as shown in fig. 2 and 3, the oven 4 includes: chain clamps 41 positioned on both sides of the oven 4 and arranged along the conveying direction of the membrane 7; the driving mechanism is suitable for driving the chain clamp 41 to enable the diaphragm 7 to be dried by the oven 4 and then sent to the winding mechanism 5.
Optionally, the length of the oven 4 is not more than 10m, so that the cost of the double-sided coater with the two-layer structure is further reduced.
In this embodiment 1, adopt chain clamp 41 as the membrane mode that holds of oven, use the both sides of chain clamp 41 centre gripping diaphragm 7, make the middle part of diaphragm 7 unsettled, avoided the thick liquids on diaphragm 7 surface to glue on oven 4 and influence the coating effect on the one hand, on the other hand has improved the drying efficiency of diaphragm 7 in oven 4, shortens the length of oven 4, has reduced the equipment cost of the two-layer structure's two-sided coating machine.
Optionally, the unwinding mechanism 2 includes: an unwinding shaft 21 and a feeding drafting assembly 22; the driving mechanism drives the feeding drafting assembly 22 to pull out and flatten the diaphragm 7 from the unreeling shaft 21, and then the diaphragm is transmitted to the double-sided coating mechanism 3.
Wherein, optionally, the feed drawing assembly 22 may include, but is not limited to, a plurality of nip rollers.
As an alternative embodiment of the receiving mechanism 5.
Optionally, the winding mechanism 5 includes: a winding shaft 51 and a receiving drafting assembly 52; the driving mechanism drives the material receiving drafting assembly 52 to wind the membrane 7 on the winding shaft 51.
Wherein, optionally, the receiving drafting assembly 52 may include, but is not limited to, a plurality of tension oscillating rollers.
As another alternative embodiment of the receiving mechanism 5.
Optionally, the winding mechanism 5 may be, but is not limited to, an automatic winding mechanism of a rotating tower.
Alternatively, the driving mechanism may be, but is not limited to, a driving motor for driving the roller shafts of the mechanisms to rotate synchronously.
Example 2
As shown in fig. 4, on the basis of embodiment 1, embodiment 2 further provides a two-side coater having a two-layer structure, further including: the winding tension detection module is connected with the control module; the winding tension detection module is electrically connected with the control module so as to send the winding tension value of the diaphragm 7 to the control module; the control module is electrically connected with the driving mechanism to control the driving mechanism to rotate according to the winding tension value of the diaphragm 7.
Wherein, the control module can be but is not limited to an S7-300 series PLC; the rolling tension detection module may be, but is not limited to, a GAD tension sensor.
In the embodiment 2, the control module controls the driving mechanism to adjust the transmission speed of the diaphragm 7 according to the winding tension value of the diaphragm 7.
The functional modules related to the present embodiment all belong to the category of the prior art, and the present application does not make any creative improvement on the circuits of the functional modules themselves. The technical problem to be solved by the present application is fully solved by the description of the functional modules according to the present embodiment, which is fully within the capability of those skilled in the art.
Example 3
As shown in fig. 5, on the basis of embodiments 1 and 2, embodiment 3 further provides a two-side coater having a two-layer structure, further including: a heat treatment mechanism 6; the heat treatment mechanism 6 is suitable for carrying out heat treatment on the diaphragm 7 dried by the oven 3 so as to improve the toughness of the diaphragm 7.
Wherein, optionally, the heat treatment mechanism 6 may include, but is not limited to, a plurality of heated rollers.
To sum up, the utility model provides a double-sided coating machine with a two-layer structure, wherein the driving mechanism drives the membrane 7 to transmit the membrane 7 from the unreeling mechanism 2 at the first layer in the shell 1 to the double-sided coating mechanism 3 for double-sided coating, and the membrane 7 is transmitted to the oven 4 at the second layer in the shell 1 for drying and then is rolled by the rolling mechanism 5 to complete double-sided coating of the membrane 7; by the design of the two-layer structure, the floor area of the two-layer structure double-side coating machine is greatly saved, and the use cost of the two-layer structure double-side coating machine is saved; the drying oven 4 is arranged on the second layer of the double-sided coating machine with the two-layer structure, so that direct contact with high-temperature equipment is avoided, and the safety of the double-sided coating machine with the two-layer structure is improved.
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 (9)
1. A double-side coater with a two-layer structure is characterized by comprising:
a housing (1);
the unwinding mechanism (2) is positioned on the first layer of the shell (1);
an oven (4) located on the second layer of the housing (1);
the double-sided coating mechanism (3) is used for coating the two sides of the diaphragm (7) transmitted from the unwinding mechanism (2) and transmitting the diaphragm to the oven (4);
a winding mechanism (5); and
the driving mechanism drives the diaphragm (7) to sequentially pass through the unreeling mechanism (2), the double-sided coating mechanism (3), the oven (4) and the reeling mechanism (5) to complete double-sided coating; wherein
The double-sided coating mechanism (3) includes: a first coating component (31) and a first vacuum adsorption roller (33) which are positioned on a first layer of the shell (1), and a second coating component (32) and a second vacuum adsorption roller (34) which are positioned on a second layer of the shell (1); wherein
The first coating component (31) and the second coating component (32) respectively coat the first surface and the second surface of the diaphragm (7) from the lower part of the diaphragm (7);
the driving mechanism drives the diaphragm (7) to finish double-sided coating through the first coating component (31), the first vacuum adsorption roller (33), the second vacuum adsorption roller (34) and the second coating component (32) in sequence.
2. The two-layer structure double-side coater according to claim 1,
the width of the double-side coating machine with the two-layer structure is not less than 3 m.
3. The two-layer structure double-side coater according to claim 1,
each coating assembly includes: a bar coating head (311) and a feed die head (312) mounted on the housing (1);
the supply die (312) is adapted to supply the coating slurry to the corresponding bar coating head (311) so that the bar coating head (311) coats the surface of the diaphragm (7) with the slurry.
4. The two-layer structure double-side coater according to claim 1,
the oven (4) comprises: chain clamps (41) which are positioned on two sides of the oven (4) and arranged along the transmission direction of the diaphragm (7);
the driving mechanism is suitable for driving the chain clamp (41) to enable the diaphragm (7) to be dried by the oven (4) and then sent to the winding mechanism (5).
5. The two-layer structure double-side coater according to claim 1,
the length of the oven (4) is not more than 10 m.
6. The two-layer structure double-side coater according to claim 1,
unwinding mechanism (2) includes: an unreeling shaft (21) and a feeding drafting assembly (22);
the driving mechanism drives the feeding drafting assembly (22) to pull out and flatten the diaphragm (7) from the unreeling shaft (21), and then the diaphragm is transmitted to the double-sided coating mechanism (3).
7. The two-layer structure double-side coater according to claim 1,
the winding mechanism (5) comprises: a winding shaft (51) and a material receiving drafting assembly (52);
the driving mechanism drives the material receiving drafting assembly (52) to wind the diaphragm (7) on the winding shaft (51).
8. The two-layer structure double-side coater according to claim 1, further comprising a heat treatment mechanism (6);
the heat treatment mechanism (6) is suitable for carrying out heat treatment on the diaphragm (7) dried by the oven (4).
9. The two-layer structure double-side coater of claim 1, further comprising: the winding tension detection module is connected with the control module;
the winding tension detection module is electrically connected with the control module so as to send the winding tension value of the diaphragm (7) to the control module;
the control module is electrically connected with the driving mechanism to control the driving mechanism to rotate according to the winding tension value of the diaphragm (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480643.4U CN213700594U (en) | 2020-10-30 | 2020-10-30 | Two-sided coating machine of two-layer structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480643.4U CN213700594U (en) | 2020-10-30 | 2020-10-30 | Two-sided coating machine of two-layer structure |
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| CN213700594U true CN213700594U (en) | 2021-07-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515674A (en) * | 2022-02-07 | 2022-05-20 | 莱阳银通纸业有限公司 | Double-sided coating production equipment and production process thereof |
| CN115921230A (en) * | 2023-01-06 | 2023-04-07 | 广东聚德机械有限公司 | Double-sided efficient coating equipment and coating method |
-
2020
- 2020-10-30 CN CN202022480643.4U patent/CN213700594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515674A (en) * | 2022-02-07 | 2022-05-20 | 莱阳银通纸业有限公司 | Double-sided coating production equipment and production process thereof |
| CN115921230A (en) * | 2023-01-06 | 2023-04-07 | 广东聚德机械有限公司 | Double-sided efficient coating equipment and coating method |
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