Needle clean device and sealant coater having the device

A sealant coater having a needle clean device, comprising:

• a sealant coating device and the needle clean device located on the sealant coating device, and the sealant coating device comprises a coating assembly, and the coating assembly comprises a coating head, and the coating head comprises a syringe and a needle installed at one end of the syringe;
• the needle clean device comprises two opposing guide tracks, two stand bars respectively and slidably installed on the two guide tracks, two motors respectively fixedly connected to the two stand bars and two opposing catches respectively located on the two stand bars, and dents are respectively located at opposing side surfaces of the two catches, and the stand bars can be driven by the motors to move back and forth along the guide tracks to drive the two catches close to or depart from each other and to close the two dents to form a hole or to open the two dents, and a needle to be cleaned is moved between the two dents when the two dents are opened and next, the two catches are moved to close to each other by driven with the two motors until the needle to be cleaned is accommodated in the hole formed by the two dents, and then the needle to be cleaned is moved outward along a hole axis line, the catches scrape residual sealant on the needle to be cleaned during the process that the needle to be cleaned is moved outward to accomplish a cleaning action for the needle to be cleaned.

A sealant coater having a needle clean device, comprising:

• a sealant coating device and the needle clean device located on the sealant coating device, and the sealant coating device comprises a coating assembly, and the coating assembly comprises a coating head, and the coating head comprises a syringe and a needle installed at one end of the syringe;
• the needle clean device comprises two opposing guide tracks, two stand bars respectively and slidably installed on the two guide tracks, two motors respectively fixedly connected to the two stand bars and two opposing catches respectively located on the two stand bars, and dents are respectively located at opposing side surfaces of the two catches, and the stand bars can be driven by the motors to move back and forth along the guide tracks to drive the two catches close to or depart from each other and to close the two dents to form a hole or to open the two dents, and a needle to be cleaned is moved between the two dents when the two dents are opened and next, the two catches are moved to close to each other by driven with the two motors until the needle to be cleaned is accommodated in the hole formed by the two dents, and then the needle to be cleaned is moved outward along a hole axis line, the catches scrape residual sealant on the needle to be cleaned during the process that the needle to be cleaned is moved outward to accomplish a cleaning action for the needle to be cleaned;
• wherein the sealant coating device further comprises:
• a platform, and an outer frame located at periphery of the platform, and the coating assembly is installed on the outer frame, and the platform fixes a substrate by vacuum suction;
• the coating assembly comprises a portal frame installed on the outer frame and two coating head symmetrically installed on the portal frame;
• the guide tracks of the needle clean device are installed on the outer frame relative to the coating assembly, and the needle clean device further comprises a container between the two guide tracks, and the container is employed to accept the residual sealant scraped from the needle to be cleaned.