CN212167975U - Diaphragm coating device capable of achieving uniform coating - Google Patents
Diaphragm coating device capable of achieving uniform coating Download PDFInfo
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- CN212167975U CN212167975U CN202020631913.4U CN202020631913U CN212167975U CN 212167975 U CN212167975 U CN 212167975U CN 202020631913 U CN202020631913 U CN 202020631913U CN 212167975 U CN212167975 U CN 212167975U
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- coating
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- wiping
- smoothing
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Abstract
The utility model provides a diaphragm coating device with uniform coating, which comprises an unwinding roller, a winding roller, a coating component for coating slurry on the surface of a diaphragm to form a coating and a uniform component for uniformly coating the coating on the surface of the diaphragm, wherein the diaphragm is provided with a coating section which inclines rightwards from bottom to top along the moving direction of the diaphragm, the coating component comprises a coating roller, scribble cloth groove and drive coating roll pivoted first drive unit, even subassembly of wiping includes the roller of wiping, be used for wiping even the roller and provide the feed supplement silo of thick liquids and drive the second drive unit of even roller pivoted of wiping, the same one side of coating section is located with the roller of wiping to the coating roll and the roller of wiping, the roller of wiping is located the place ahead of coating roll, the rotation direction of coating roll and the roller of wiping is opposite with the motion direction of diaphragm, the opposite side of coating section is equipped with the supplementary deflector roll that is used for diaphragm and coating roll contact. The utility model discloses can wipe even processing to the coating on barrier film surface, make the coating become even, guarantee off-the-shelf quality.
Description
Technical Field
The utility model relates to a diaphragm production facility technical field, concretely relates to even diaphragm coating device of coating.
Background
The diaphragm coating machine is a common mechanical device, and the main production process of the isolating diaphragm coating machine is as follows: unreeling and conveying the coiled membrane substrate; then coating a coating on the surface of the base material; then drying the coating on the base material; and finally, rolling the dried base material.
At present, coating machines at home and abroad are rapidly developing in the directions of widening and speeding up. However, after the conventional coating machine coats the surface of the release film substrate with the coating layer, the uniformity of the coating layer on the surface of the release film substrate is not good due to the unevenness of the surface of the release film substrate, the bubbles of the slurry itself and the limitation of the unstable tension of the coating machine, and particularly, the uniformity of the coating layer on the surface of the wide substrate is worse, thereby affecting the quality of the finished product.
Therefore, the diaphragm coating device capable of evenly coating the coating on the surface of the diaphragm substrate is designed aiming at the problems, so that the coating on the surface of the diaphragm becomes uniform, and the quality of a finished product is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the disappearance that prior art exists, provide an even diaphragm coating device of coating, it can wipe even processing to the coating on barrier film surface, makes the coating become even, can guarantee off-the-shelf quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a diaphragm coating device with uniform coating comprises an unwinding roller, a winding roller, a coating assembly for coating slurry on the surface of a diaphragm to form a coating, and a leveling assembly for leveling the coating on the surface of the diaphragm, the diaphragm is provided with a coating section which inclines from bottom to top to right along the moving direction of the diaphragm, the coating component comprises a coating roller, a coating material groove for providing slurry for the coating roller and a first driving unit for driving the coating roller to rotate, the troweling assembly comprises a troweling roller, a material supplementing trough used for providing slurry for the troweling roller and a second driving unit used for driving the troweling roller to rotate, the coating roller and the uniform roller are arranged on the same side of the coating section, the uniform roller is positioned in front of the coating roller, the rotation direction of the coating roller and the smearing roller is opposite to the movement direction of the diaphragm, and an auxiliary guide roller for contacting the diaphragm with the coating roller is arranged on the other side of the coating section.
Preferably, the device further comprises a driving mechanism for controlling the smearing assembly to move linearly along the axial direction of the smearing roller, and the axial direction of the smearing roller is perpendicular to the moving direction of the diaphragm.
Preferably, the ratio of the linear speed of the leveling roller to the linear speed of the coating roller is more than 1.2.
Preferably, the diameter of the smoothing roller is 5 mm-100 mm.
Preferably, the smoothing roll has a smooth outer surface.
Preferably, the outer surface of the smoothing roller is provided with grooves, the extending direction of the grooves is parallel to the axial direction of the smoothing roller, the width of the grooves is 10-80 μm, and the number of the grooves engraved per 10mm of the smoothing roller is 30-600 lines.
As a preferable scheme, the troweling roller comprises a main shaft, a power shaft driving the main shaft to rotate and a support used for mounting the power shaft, the power shaft is connected with the driving end of the second driving unit, a hard ceramic layer is arranged on the outer surface of the main shaft, and two ends of the power shaft are rotatably mounted on the support through bearings.
Preferably, the number of the auxiliary guide rollers is three.
As a preferred scheme, the device also comprises an oven, wherein the oven is arranged between the auxiliary guide roller and the wind-up roller, and the temperature of the oven is 20-200 ℃.
Preferably, the coating thickness of the separator is 0.5 to 5 μm.
Compared with the prior art, the utility model has the advantages and beneficial effects,
1. the coating assembly is used for coating slurry on the surface of a diaphragm to form a coating and the leveling assembly is used for leveling the coating on the surface of the diaphragm, the diaphragm is provided with a coating section, the coating section inclines from bottom to top to right along the moving direction of the diaphragm, the coating assembly comprises a coating roller, a coating material groove and a first driving unit, the leveling assembly comprises a leveling roller, a material supplementing groove and a second driving unit, the coating roller and the leveling roller are arranged on the same side of the coating section, the leveling roller is positioned in front of the coating roller, the rotating directions of the coating roller and the leveling roller are opposite to the moving direction of the diaphragm, an auxiliary guide roller is arranged on the other side of the coating section, when the coating roller works, the coating roller coats the slurry on the surface of the diaphragm to form the coating, the leveling roller is in contact with the coating on the surface of the diaphragm to level the coating, and the leveling roller is partially immersed in the slurry in the material supplementing groove, so that the slurry is transferred to the defect of the coating on, the coating is more uniform, and the quality of a finished product can be ensured;
2. the coating section inclines from bottom to top to right along the moving direction of the diaphragm, and the uniform roller utilizes the self gravity of the slurry to uniformly coat the slurry on the surface of the diaphragm in the rotating process;
3. the driving mechanism for controlling the uniform component to move linearly along the axis direction of the uniform roller is arranged, the axis direction of the uniform roller is vertical to the moving direction of the diaphragm, when the device works, the uniform roller reciprocates along the axis direction of the uniform roller during the rotation process, and the motion track of the uniform roller relative to the diaphragm is S-shaped, so that the coating on the surface of the diaphragm is uniformly smeared in an inclined way, and the uniform degree is more sufficient;
4. through setting up the recess, the thick liquids can be stored to the recess, can supplement the thick liquids to the coating on diaphragm surface by a wide margin and smear the uniformity.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic view of an assembly structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the troweling roller according to the embodiment of the present invention;
fig. 3 is a schematic structural view of a smoothing roller according to another embodiment of the present invention.
The attached drawings indicate the following:
10-unwinding roller; 11-a wind-up roll; 12-a coating roll;
13-coating a material distributing groove; 14-leveling roller; 141-a main shaft;
142-a power shaft; 143-hard ceramic layer; 144-a bearing;
145-grooves; 15-a feed supplement trough; 16-auxiliary guide rollers;
17-an oven; 20-a separator; 21-coating section.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1-2, a diaphragm coating device for uniform coating comprises an unwinding roller 10, a winding roller 11, an oven 17, a coating assembly for coating a surface of a diaphragm 20 with a slurry to form a coating layer, and a leveling assembly for leveling the coating layer on the surface of the diaphragm 20, wherein the diaphragm 20 has a coating section 21, the coating layer of the diaphragm 20 has a coating thickness of 0.5 μm to 5 μm, the coating section 21 is inclined from bottom to top to right along the moving direction of the diaphragm 20, the coating assembly comprises a coating roller 12, a coating trough 13 for supplying the slurry to the coating roller 12, and a first driving unit for driving the coating roller 12 to rotate, the first driving unit is a second driving motor (not shown), the leveling assembly comprises a leveling roller 14, a material supplementing trough 15 for supplying the slurry to the leveling roller 14, and a second driving unit for driving the leveling roller 14 to rotate, the troweling roller 14 comprises a main shaft 141, a power shaft 142 driving the main shaft 141 to rotate and a bracket (not shown) used for installing the power shaft 142, the power shaft 142 is connected with the driving end of a second driving unit, the second driving unit is a second driving motor (not shown), the outer surface of the main shaft 141 is provided with a hard ceramic layer 143, two ends of the power shaft 142 are rotatably installed on the bracket through bearings 144, the coating roller 12 and the troweling roller 14 are arranged on the same side of the coating section 21, the troweling roller 14 is positioned in front of the coating roller 12, the front refers to the conveying direction of the membrane 20, the rotating direction of the coating roller 12 and the troweling roller 14 is opposite to the moving direction of the membrane 20, the other side of the coating section 21 is provided with an auxiliary guide roller 16 used for contacting the membrane 20 with the coating roller 12, and the oven 17 is arranged between the auxiliary guide roller 16 and the take-up roller 11, the temperature of the oven 17 is 20 ℃ -200 ℃, the number of the auxiliary guide rollers 16 is three, when the oven works, the leveling roller 14 and the coating roller 12 rotate synchronously, the ratio of the linear velocity of the leveling roller 14 to the linear velocity of the coating roller 12 is larger than 1.2, the diameter of the leveling roller 14 is 5 mm-100 mm, the leveling roller 14 has a smooth outer surface, the coating roller 12 coats the slurry on the surface of the diaphragm 20 to form a coating, the leveling roller 14 is in contact with the coating on the surface of the diaphragm 20 to level the coating, and the leveling roller 14 is partially immersed in the slurry of the material supplementing trough 15, so that the slurry is transferred to the defect position of the coating on the surface of the diaphragm 20, and the coating is more uniform.
The embodiment also comprises a driving mechanism (not shown) for controlling the smearing assembly to linearly move along the axial direction of the smearing roller 14, wherein the axial direction of the smearing roller 14 is perpendicular to the moving direction of the diaphragm 20, during operation, the smearing roller reciprocates along the axial direction while rotating, and the movement track of the smearing roller 14 relative to the diaphragm 20 is S-shaped, so that the coating on the surface of the diaphragm is obliquely smeared, and the smearing degree is more sufficient.
It should be noted that, in the present invention, the number of layers of the oven 17 may be one layer or multiple layers
As shown in fig. 3, another embodiment of the present invention is different from the above embodiments in that the outer surface of the smoothing roller 14 is provided with grooves 145, the extending direction of the grooves 145 is parallel to the axial direction of the smoothing roller 14, the width of the grooves 145 is 10 μm to 80 μm, the number of the grooves 145 engraved per 10mm length of the smoothing roller 14 is 30 lines to 600 lines, the grooves can store the slurry by providing the grooves, and the slurry can be supplemented to the coating on the surface of the diaphragm to be smoothed.
The working principle of the utility model is as follows: unreel the roller 10 and emit diaphragm 20, the coating subassembly coats diaphragm 20, makes diaphragm 20 surface form the coating, and even subassembly of smearing is smeared the even processing to the coating, carries out the rolling after passing through oven 17 stoving again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.
Claims (10)
1. A diaphragm coating device with uniform coating comprises an unwinding roller, a winding roller and a coating assembly for coating slurry on the surface of a diaphragm to form a coating, and is characterized by further comprising a coating assembly for uniformly coating the coating on the surface of the diaphragm, wherein the diaphragm is provided with a coating section, the coating section inclines from bottom to top to right along the moving direction of the diaphragm, the coating assembly comprises a coating roller, a coating trough for providing the slurry for the coating roller and a first driving unit for driving the coating roller to rotate, the coating assembly comprises a smoothing roller, a feed supplement trough for providing the slurry for the smoothing roller and a second driving unit for driving the smoothing roller to rotate, the coating roller and the smoothing roller are arranged on the coating section, the smoothing roller is positioned in front of the coating roller, the rotating directions of the coating roller and the smoothing roller are opposite to the moving direction of the diaphragm, and the other side of the coating section is provided with an auxiliary guide roller for contacting the diaphragm with the coating roller.
2. The membrane coating device for uniformly coating the membranes as claimed in claim 1, further comprising a driving mechanism for controlling the linear motion of the troweling assembly along the axial direction of the troweling roller, wherein the axial direction of the troweling roller is perpendicular to the moving direction of the membranes.
3. A uniformly coated membrane coating device as claimed in claim 1 wherein the ratio of the linear speed of the troweling roller to the linear speed of the coating roller is greater than 1.2.
4. A uniformly coated membrane coating device as claimed in claim 1 or 3, wherein said smoothing roller has a diameter of 5mm to 100 mm.
5. A uniformly coated membrane coating device as claimed in claim 1, wherein said smoothing roller has a smooth outer surface.
6. The membrane coating device for coating uniformly of claim 1, wherein the outer surface of the smoothing roller is provided with grooves, the extending direction of the grooves is parallel to the axial direction of the smoothing roller, the width of the grooves is 10-80 μm, and the number of the grooves engraved per 10mm of the smoothing roller is 30-600 lines.
7. The device for coating the diaphragm uniformly according to claim 1, wherein the smoothing roller comprises a main shaft, a power shaft driving the main shaft to rotate and a bracket for mounting the power shaft, the power shaft is connected with the driving end of the second driving unit, a hard ceramic layer is arranged on the outer surface of the main shaft, and two ends of the power shaft are rotatably mounted on the bracket through bearings.
8. The coating apparatus as claimed in claim 1, wherein the auxiliary guide roller is provided with three.
9. The device for coating the diaphragm uniformly according to claim 1, further comprising an oven, wherein the oven is arranged between the auxiliary guide roller and the wind-up roller, and the temperature of the oven is 20-200 ℃.
10. The coating apparatus of claim 1, wherein the coating thickness of the separator is 0.5 μm to 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631913.4U CN212167975U (en) | 2020-04-23 | 2020-04-23 | Diaphragm coating device capable of achieving uniform coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631913.4U CN212167975U (en) | 2020-04-23 | 2020-04-23 | Diaphragm coating device capable of achieving uniform coating |
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| Publication Number | Publication Date |
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| CN212167975U true CN212167975U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020631913.4U Active CN212167975U (en) | 2020-04-23 | 2020-04-23 | Diaphragm coating device capable of achieving uniform coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322599A (en) * | 2021-05-21 | 2021-08-31 | 福建锐信合成革有限公司 | Oblique angle sizing coating platform |
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2020
- 2020-04-23 CN CN202020631913.4U patent/CN212167975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322599A (en) * | 2021-05-21 | 2021-08-31 | 福建锐信合成革有限公司 | Oblique angle sizing coating platform |
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