CN213349500U - Diaphragm extrusion coating device with adjustable thickness - Google Patents
Diaphragm extrusion coating device with adjustable thickness Download PDFInfo
- Publication number
- CN213349500U CN213349500U CN202021992762.1U CN202021992762U CN213349500U CN 213349500 U CN213349500 U CN 213349500U CN 202021992762 U CN202021992762 U CN 202021992762U CN 213349500 U CN213349500 U CN 213349500U
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- CN
- China
- Prior art keywords
- roller
- hollow seal
- frame
- thickness
- swivel mount
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- 238000007765 extrusion coating Methods 0.000 title claims description 9
- 238000000576 coating method Methods 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 102000004310 Ion Channels Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Abstract
The utility model discloses a coating unit is extruded to thickness adjustable diaphragm, include the frame and locate the coating subassembly on the frame, the coating subassembly includes swivel mount, hollow seal roller, scraper and printing roller, the swivel mount is rotatable installs on the frame through the pivot, be equipped with the adjustment mechanism who is used for adjusting swivel mount turned angle on the frame, hollow seal roller and printing roller parallel interval set up on the swivel mount, and the axial direction of hollow seal roller and printing roller all is parallel with the axial direction of pivot, form diaphragm coating passageway between hollow seal roller and the printing roller, be equipped with the cavity that is used for storing thick liquids in the hollow seal roller, the surface of hollow seal roller is equipped with the mesh that communicates with the cavity, the scraper is located in the hollow seal roller for making thick liquids from outwards extruding towards the mesh of printing roller one side. The utility model discloses a make the swivel mount rotatory angle to the difference, realize utilizing the action of gravity to reach the purpose of adjusting diaphragm coating thickness.
Description
Technical Field
The utility model relates to a diaphragm coating equipment technical field, concretely relates to coating unit is extruded to thickness adjustable diaphragm.
Background
The diaphragm mainly plays a role in isolating the positive electrode and the negative electrode in the lithium ion battery and simultaneously serves as a lithium ion channel. The safety of the battery is significantly affected. As the application demands higher and higher weight volume density and capacity volume density of lithium ion batteries, the separator is also gradually thinner and thinner, and the coating of the separator gradually becomes a trend. In the traditional diaphragm coating process, a gravure roller is mostly adopted for continuous coating of the diaphragm, but when the gravure roller is used for coating, slurry is easily dropped on the diaphragm because the slurry is placed on the outer surface of the gravure roller, so that the coating thickness of the diaphragm is uneven, the use amount of the slurry is increased, and the material cost is increased; in the traditional diaphragm coating process, the coating thickness of the diaphragm is adjusted mainly by setting the depth of pits on the surface of the gravure roller, different gravure rollers are required to be replaced according to different coating thicknesses, the coating efficiency of the diaphragm is greatly influenced, and the production cost of enterprises is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the disappearance that prior art exists, provide a coating unit is extruded to thickness adjustable diaphragm, its interval nature coating that can realize the diaphragm can also utilize the action of gravity to realize the regulation of coating thickness, need not change the coating roll, improves coating efficiency, reduces the manufacturing cost of enterprise.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a coating unit is extruded to thickness adjustable diaphragm, includes the frame and locates the coating subassembly on the frame, the coating subassembly includes swivel mount, hollow seal roller, scraper and printing roller, the swivel mount is rotatable installs on the frame through the pivot, be equipped with the adjustment mechanism who is used for adjusting swivel mount turned angle on the frame, hollow seal roller and printing roller parallel interval set up on the swivel mount, and the axial direction of hollow seal roller and printing roller all is parallel with the axial direction of pivot, form diaphragm coating passageway between hollow seal roller and the printing roller, be equipped with the cavity that is used for storing thick liquids in the hollow seal roller, the surface of hollow seal roller is equipped with the mesh that communicates with the cavity, the scraper is located in the hollow seal roller for make thick liquids outwards extrude from the mesh towards printing roller one side.
Preferably, the hollow printing roller is rotatably mounted on a rotating frame through a bearing, and a coating driving mechanism for driving the hollow printing roller to rotate is arranged on the rotating frame.
As a preferred scheme, the rotating frame comprises two mounting plates, the stand is provided with vertical plates which are symmetrically arranged, the two mounting plates are rotatably arranged on the corresponding vertical plates through rotating shafts, and the hollow printing roller and the printing roller are arranged between the two mounting plates in parallel.
As a preferred scheme, adjustment mechanism includes the lift cylinder, the lift cylinder is installed in the outside of riser, and the movable rod that promotes the cylinder upwards stretches out and mounting panel swing joint.
Preferably, the adjusting mechanism comprises an adjusting motor, and the adjusting motor controls the rotating frame to rotate around the rotating shaft through a gear.
As a preferred scheme, the adjusting mechanism comprises a gear, a rack and a screw rod for controlling the movement of the rack, the gear is fixedly mounted at one end of the rotating shaft, the rack is movably mounted on the vertical plate and meshed with the gear, the vertical plate is provided with a screw hole corresponding to the screw rod, and the free end of the screw rod penetrates through the screw hole to be movably connected with the rack.
Preferably, the machine base is further provided with a roller for guiding the diaphragm.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, particularly, the diaphragm is coated by adopting the matching of the hollow printing roller and the printing roller, so that the shape of the mesh can be set as required, and the effects of strip coating, dot coating and the like of the diaphragm are realized; through setting up the swivel mount, with hollow seal roller and the parallel interval of printing roller set up on the swivel mount to can make the swivel mount rotate to different angles through adjustment mechanism's regulation, thereby realize utilizing the action of gravity to change the thick liquids volume of extruding from the mesh, and then reach the purpose of adjusting coating thickness.
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 side view of another embodiment of the present invention;
fig. 3 is a schematic side view of another embodiment of the present invention.
The attached drawings indicate the following:
10. a machine base; 11. A vertical plate; 12. Passing through a roller;
20. a rotating frame; 21. A hollow printing roller; 211. Mesh openings;
22. a printing roller; 23. A scraper; 24. A rotating shaft;
30. an adjustment mechanism.
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, a diaphragm extrusion coating apparatus with adjustable thickness comprises a machine base 10 and a coating assembly arranged on the machine base 10, the coating assembly comprises a rotating frame 20, a hollow printing roller 21, a scraper 23 and a printing roller 22, the rotating frame 20 is rotatably arranged on the machine base 10 through a rotating shaft 24, an adjusting mechanism 30 for adjusting the rotating angle of the rotating frame 20 is arranged on the machine base 10, the hollow printing roller 21 and the printing roller 22 are arranged on the rotating frame 20 in parallel at a certain interval, and the axial directions of the hollow printing roller 21 and the printing roller 22 are both parallel to the axial direction of the rotating shaft 24, a diaphragm coating channel is formed between the hollow printing roller 21 and the printing roller 22, a cavity for storing slurry is arranged in the hollow printing roller 21, the surface of the hollow printing roller 21 is provided with mesh holes 211 communicated with the cavity, and the scraper 23 is arranged in the hollow printing roller 21 and used for enabling the slurry to be extruded out from the mesh holes 211 on one side facing the printing roller 22.
Specifically, the hollow printing roller 21 is rotatably mounted on the rotating frame 20 through a bearing, and the rotating frame 20 is provided with a coating driving mechanism (not shown) for driving the hollow printing roller 21 to rotate. The rotating frame 20 comprises two mounting plates, the stand 10 is provided with two symmetrically arranged vertical plates 11, the two mounting plates are rotatably mounted on the corresponding vertical plates 11 through rotating shafts 24, and the hollow printing roller 21 and the printing roller 22 are arranged between the two mounting plates in parallel. The machine base 10 is also provided with a roller 12 for guiding the diaphragm. The adjusting mechanism 30 is a cylinder, and a movable rod of the cylinder extends upwards to be connected with the rotating frame 20.
As shown in fig. 2, according to another embodiment of the present invention, the adjusting mechanism 30 is an adjusting motor, and the adjusting motor controls the rotating frame 20 to rotate around the rotating shaft 24 through a gear.
As shown in fig. 3, according to another embodiment of the present invention, the adjusting mechanism 30 is a lifting cylinder, the lifting cylinder is installed in the outside of the vertical plate 11, the movable rod of the lifting cylinder extends upwards to be movably connected with the mounting plate, and the mounting plate is pushed by the cylinder to rotate the mounting plate around the rotating shaft 24, so that the direction of the membrane passing through the membrane coating channel during coating is changed, and the gravity effect is utilized to adjust the coating thickness.
The utility model discloses in, adjustment mechanism 30 also can adopt gear, rack complex mode control rotation angle, specific can with gear fixed mounting is in the one end of pivot 24, rack mobilizable install on riser 11 and be connected with gear engagement, be equipped with the screw that corresponds with the screw rod on riser 11, then put the screw rod soon in the screw, make the free end of screw rod passes screw and rack swing joint, can pass through rotatory screw rod when adjusting, drives the rack activity through the screw rod, and then makes swivel mount 20 rotate through the gear through rack control gear revolve at last.
It should be noted that the rotating shaft 24 of the present invention may be disposed coaxially with the hollow printing roller 21, may be disposed coaxially with the printing roller 22, and may also be disposed at other positions of the mounting plate.
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 (7)
1. The utility model provides a coating unit is extruded to thickness adjustable diaphragm, includes the frame and locates the coating unit on the frame, its characterized in that: coating unit includes swivel mount, hollow seal roller, scraper and printing roll, the swivel mount is rotatable through the pivot to be installed on the frame, be equipped with the adjustment mechanism who is used for adjusting swivel mount turned angle on the frame, hollow seal roller and printing roll parallel interval set up on the swivel mount, and the axial direction of hollow seal roller and printing roll all is parallel with the axial direction of pivot, form diaphragm coating passageway between hollow seal roller and the printing roll, be equipped with the cavity that is used for storing thick liquids in the hollow seal roller, the surface of hollow seal roller is equipped with the mesh with the cavity intercommunication, the scraper is located in the hollow seal roller for make thick liquids outwards extrude from the mesh towards printing roll one side.
2. The thickness-adjustable diaphragm extrusion coating device according to claim 1, characterized in that: the hollow printing roller is rotatably arranged on the rotating frame through a bearing, and the rotating frame is provided with a coating driving mechanism for driving the hollow printing roller to rotate.
3. The thickness-adjustable diaphragm extrusion coating device according to claim 1, characterized in that: the rotary frame comprises two mounting plates, the stand is provided with vertical plates which are symmetrically arranged, the two mounting plates are rotatably mounted on the corresponding vertical plates through rotating shafts, and the hollow printing roller and the printing roller are arranged between the two mounting plates in parallel.
4. The thickness-adjustable diaphragm extrusion coating device according to claim 3, characterized in that: the adjusting mechanism comprises a lifting cylinder, the lifting cylinder is installed on the outer side of the vertical plate, and a movable rod of the lifting cylinder extends upwards to be movably connected with the mounting plate.
5. The thickness-adjustable diaphragm extrusion coating device according to claim 3, characterized in that: the adjusting mechanism comprises an adjusting motor, and the adjusting motor controls the rotating frame to rotate around the rotating shaft through a gear.
6. The thickness-adjustable diaphragm extrusion coating device according to claim 3, characterized in that: the adjusting mechanism comprises a gear, a rack and a screw rod for controlling the movement of the rack, the gear is fixedly arranged at one end of the rotating shaft, the rack is movably arranged on the vertical plate and is meshed with the gear, a screw hole corresponding to the screw rod is formed in the vertical plate, and the free end of the screw rod penetrates through the screw hole and is movably connected with the rack.
7. The thickness-adjustable diaphragm extrusion coating device according to claim 1, characterized in that: and the machine base is also provided with a roller for guiding the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992762.1U CN213349500U (en) | 2020-09-11 | 2020-09-11 | Diaphragm extrusion coating device with adjustable thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992762.1U CN213349500U (en) | 2020-09-11 | 2020-09-11 | Diaphragm extrusion coating device with adjustable thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213349500U true CN213349500U (en) | 2021-06-04 |
Family
ID=76151392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021992762.1U Active CN213349500U (en) | 2020-09-11 | 2020-09-11 | Diaphragm extrusion coating device with adjustable thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213349500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632666A (en) * | 2022-05-18 | 2022-06-17 | 艾康生物技术(杭州)有限公司 | Equipment for treating film |
-
2020
- 2020-09-11 CN CN202021992762.1U patent/CN213349500U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632666A (en) * | 2022-05-18 | 2022-06-17 | 艾康生物技术(杭州)有限公司 | Equipment for treating film |
| WO2023221436A1 (en) * | 2022-05-18 | 2023-11-23 | 艾康生物技术(杭州)有限公司 | Membrane treatment apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240329 Address after: 526000, 2nd Floor, No.2 Qiandong Road, Liantang Town, Gaoyao District, Zhaoqing City, Guangdong Province Patentee after: Guangdong Zhuo High-tech Materials Technology Co.,Ltd. Country or region after: China Address before: 523000 buildings h and K, Dongxing Industrial Park, Kangle Road, Hengli Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ADVANCED ELECTRONIC TECH Co.,Ltd. Country or region before: China |