CN-224221744-U - Coating device and battery production system

CN224221744UCN 224221744 UCN224221744 UCN 224221744UCN-224221744-U

Abstract

The embodiment of the application provides a coating device and a battery production system, and relates to the technical field of batteries. The coating device comprises a coating die head and a first cleaning mechanism, wherein a first cavity is arranged in the coating die head, the first cavity is provided with a first interface and a second interface, and the first cleaning mechanism is communicated with the first interface and detachably connected with the second interface and is configured to be communicated with the second interface and detachably connected with the second interface. According to the application, the cleaning solvent of the first cleaning mechanism can be discharged through the second interface after entering from the first interface, so that the first cavity is cleaned, and compared with a mode of manually disassembling the coating die head for cleaning, the cleaning efficiency can be improved; in addition, the first cleaning mechanism and the second interface are connected to change the liquid inlet and outlet directions of the cleaning solvent by releasing the connection between the first cleaning mechanism and the first interface, so that the flushing direction is changed, and a better cleaning effect can be achieved.

Inventors

HAN YUE
SUN KAI
WU HAO
WANG HAO

Assignees

江苏时代新能源科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250326

Claims (14)

1. A coating apparatus, characterized by comprising: The coating die head is provided with a first cavity, and a first interface and a second interface which are respectively communicated with the first cavity; The first cleaning mechanism is communicated with the first interface and detachably connected with the second interface, and is configured to be communicated with the second interface and detachably connected with the first interface after the connection with the first interface is released, and the cleaning mechanism is used for providing cleaning solvent for the first cavity.
2. The coating apparatus of claim 1, wherein the first cleaning mechanism comprises a first solvent output line and a solvent supply assembly connected and in communication with each other, the first solvent output line being detachably connected to the first interface and configured to be detachably connected to the second interface upon disconnection from the first interface, the solvent supply assembly being configured to supply cleaning solvent to the first solvent output line.
3. The coating apparatus of claim 2, wherein the means for removable connection comprises at least one of a threaded connection, a bayonet connection, and a snap connection.
4. A coating apparatus as in claim 3 wherein the first solvent output line is provided with a first external thread, the first interface is provided with a first internal thread threadedly connected to the first external thread, and the second interface is provided with a second internal thread adapted to the first external thread.
5. The coating apparatus of claim 2, wherein the solvent supply assembly comprises a compressed air supply unit, a cleaning solvent supply unit, and a mixed flow unit, the compressed air supply unit and the cleaning solvent supply unit being respectively connected to and in communication with the mixed flow unit, the mixed flow unit being connected to and in communication with the first solvent output line.
6. The coating apparatus of claim 5, wherein the compressed air supply assembly includes a compressed air storage member connected to and communicating with one end of the compressed air supply pipe, the other end of the compressed air supply pipe connected to and communicating with the mixing unit, a compressed air supply pipe, and a first valve body connected to the compressed air supply pipe for opening and closing the compressed air supply pipe.
7. The coating apparatus of claim 6, wherein the compressed air supply unit further comprises a pressure detecting member connected to the compressed air supply line and configured to detect a pressure of the compressed air supply line.
8. The coating apparatus according to claim 5, wherein the cleaning solvent supply unit includes a cleaning solvent supply line having one end for connection and communication with the solution storage device and the other end connected and communication with the mixed flow unit, and a pressurizing member connected to the cleaning solvent supply line for increasing a solvent delivery pressure in the cleaning solvent supply line.
9. The coating device of claim 1, wherein the coating die is provided with a second cavity and a third interface and a fourth interface in communication with the second cavity, respectively, the coating device further comprising a second cleaning mechanism in communication with the third interface and detachably connectable and configured to be in communication with the fourth interface and detachably connectable, the second cleaning mechanism for providing cleaning solvent to the second cavity.
10. The coating apparatus of claim 9, wherein the second cleaning mechanism comprises a second solvent output line detachably connected to the third interface and configured to detachably connect to the fourth interface.
11. The coating apparatus of claim 10, wherein the first cleaning mechanism comprises a first solvent output line and a solvent supply assembly, the first solvent output line being removably connected to the first interface and configured to be removably connected to the second interface, the first solvent output line and the second solvent output line being respectively connected to and in communication with the solvent supply assembly.
12. The coating apparatus of any one of claims 1-11, further comprising a recovery mechanism removably coupled to the second interface and configured to removably couple to the first interface, the recovery mechanism configured to recover cleaning solvent within the first cavity.
13. The coating apparatus of claim 12, wherein the recovery mechanism comprises a first solvent recovery line removably connected to the second interface and configured to removably connect to the first interface.
14. A battery production system comprising the coating apparatus according to any one of claims 1 to 13.

Description

Coating device and battery production system Technical Field The present application relates to the field of battery technology, and more particularly, to a coating device and a battery production system. Background In the production process of the battery device, the coating device is required to carry out coating slurry on the pole piece, gel is gradually formed in the cavity of the coating die head in the operation process of the coating device, the gel can influence the coating quality, and therefore, the coating die head needs to be cleaned regularly. The related art generally adopts manual disassembly of the coating die head to wipe and clean, and the efficiency is low, so how to improve the cleaning efficiency of the coating die head is one research direction in battery technology. Disclosure of utility model The application provides a coating device and a battery production system, which can improve the cleaning efficiency of a coating die head. In a first aspect, an embodiment of the application provides a coating device, which comprises a coating die head and a first cleaning mechanism, wherein the coating die head is provided with a first cavity, a first interface and a second interface which are respectively communicated with the first cavity, the first cleaning mechanism is communicated with the first interface and detachably connected with the first interface and is configured to be communicated with the second interface and detachably connected with the second interface after the connection with the first interface is released, and the cleaning mechanism is used for providing cleaning solvent for the first cavity. By adopting the technical scheme, the coating die head of the coating device is designed to comprise the first interface and the second interface, the cleaning mechanism capable of providing the cleaning solvent for the first cavity is arranged, the cleaning solvent can be discharged through the second interface after entering from the first interface, so that the first cavity is cleaned, the cleaning efficiency can be improved compared with a mode of manually disassembling the coating die head for cleaning, in addition, the first cleaning mechanism and the second interface can be connected to change the liquid inlet and outlet direction of the cleaning solvent by releasing the connection of the first cleaning mechanism and the first interface, the flushing direction is changed, and a better cleaning effect can be achieved. In some embodiments of the application, the first cleaning mechanism includes a first solvent output line and a solvent supply assembly connected and in communication with each other, the first solvent output line being detachably connected to the first interface and configured to be detachably connected to the second interface upon disconnection from the first interface, the solvent supply assembly being configured to supply cleaning solvent to the first solvent output line. Adopt above-mentioned technical scheme, design first clean mechanism for including first solvent output pipeline and solvent supply assembly, solvent supply assembly provides clean solvent to first solvent output pipeline, utilizes first solvent output pipeline output clean solvent, simple structure can directly carry clean solvent to first cavity inside moreover, ensures clean solvent can evenly distributed, improves clean efficiency. In some embodiments of the application, the means of removable connection comprises at least one of a threaded connection, a socket connection, and a snap connection. By adopting the technical scheme, the detachable connection mode is designed to comprise at least one of threaded connection, plugging and clamping, and the threaded connection, the plugging and the clamping all have the advantages of simple structure, convenience in processing, convenience in disassembly and assembly and the like. In some embodiments of the application, the first solvent output line is provided with a first external thread, the first interface is provided with a first internal thread in threaded connection with the first external thread, and the second interface is provided with a second internal thread adapted to the first external thread. By adopting the technical scheme, the first solvent output pipeline is provided with the first external thread, the first interface is provided with the first internal thread, the second interface is provided with the second internal thread, the first solvent output pipeline can be disassembled and assembled with the first interface or the second interface only by rotating the first solvent output pipeline, the operation is convenient, and the internal thread is also convenient to process when the first interface and the second interface are provided with the internal thread. In some embodiments of the present application, the solvent supply assembly includes a compressed air supply unit, a cleaning solvent supply unit, and a mixed flow unit,