Negative pressure fixing device for FPC (Flexible Printed Circuit) board patch template

• Main Authors: LI QIN, SUN WEI, RAO YANGHUA, YIN CHAO
• Format: Patent
• Language: Chinese; English
• Published: 03.12.2021
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS

The utility model relates to a negative pressure fixing device for an FPC (Flexible Printed Circuit) board patch template, which comprises a board body, a negative pressure groove is arranged on the board body, a vent hole is arranged at the bottom of the negative pressure groove, the vent hole is communicated with the inside of the negative pressure groove, a joint is arranged at the communicated part of the vent hole and the outside, and an O-shaped ring is arranged on the periphery of the negative pressure groove and is used for sealing; according to the utility model, the problems that plates are easy to deform and need to be clamped for multiple times during processing are solved; the utility model has the advantages of simple structure and low cost; one-time clamping is achieved, and the working efficiency is improved; and pneumatic locking is convenient and reliable. 本实用新型是一种FPC板贴片模板负压固定装置，具有板体，所述板体上具有负压槽，所述负压槽底部设有通气孔，所述通气孔与负压槽内部连通，所述通气孔与外界连通处设有接头，所述负压槽四周设有O型圈，用于起密封作用；本实用新型解决了加工板材时易变形，需要多次装夹的问题；本实用新型具有