SCREEN PRINTING APPARATUS

• US 20150321464A1
• Filed: 05/06/2015
• Published: 11/12/2015
• Est. Priority Date: 05/12/2014
• Status: Active Grant

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Inventors: HORIE, Isao, SUEYASU, Yusuke
• Granted Patent: US 9,315,013 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B41F 15/0818 with a stationary screen and a moving squeegee
• CPC Class Codes: B41F 15/0881 for printing on polyhedral articles
• CPC Class Codes: B41F 15/20 with suction-operated elements
• CPC Class Codes: B41F 15/26 for articles with flat surfaces
• CPC Class Codes: H05K 13/0069 Holders for printed circuit boards
• CPC Class Codes: H05K 2203/0165 Holder for holding a Printed Circuit Board [PCB] during processing, e.g. during screen printing
• CPC Class Codes: H05K 3/1216 by screen printing or stencil printing

Abstract

In a screen printing apparatus, a squeegee is slid on a mask contacting a board to print paste onto the board via pattern holes formed in the mask. The screen printing apparatus includes: a box-like member including a top-plate portion in which first suction hole is formed and which is allowed to contact a lower surface of the board; a blower suction pipe which communicates with an internal space of the box-like member, and which extends outside the box-like member; a motor which sucks air through the blower suction pipe to generate a blower suction force in the first suction hole; and an inverter which changes a number of rotations of the motor.

Claims

1. A screen printing apparatus in which a squeegee is slid on a mask contacting a board to print paste onto the board via pattern holes formed in the mask, said screen printing apparatus comprising:

a box-like member comprising a top-plate portion in which first suction hole is formed and which is allowed to contact a lower surface of the board;

a blower suction pipe which communicates with an internal space of the box-like member, and which extends outside the box-like member;

a motor which sucks air through the blower suction pipe to generate a blower suction force in the first suction hole; and

an inverter which changes a number of rotations of the motor.

2. The screen printing apparatus according to claim 1, further comprising an operation panel for adjusting the number of rotations of the motor through the inverter.

3. The screen printing apparatus according to claim 1, further comprising:

a vacuum suction pipe which is connected to a second suction hole formed in the top-plate portion of the box-like member, and which extends through an internal space of the box-like member to an outside of the box-like member; and

a vacuum pressure supplying device which supplies a vacuum pressure to the second suction hole through the vacuum suction pipe.