Surface processing device for light guide plate and light guide plate made thereby

An surface machining device for a light guide plate, comprising:

• a working head configured to machine a surface of the light guide plate;
• a clamping component configured to clamp the working head;
• a first horizontal seat slidably connected to the clamping component to allow the working head to translate in a first direction;
• and
• a second horizontal seat slidably connected to the first horizontal seat to allow the working head to translate in a second direction perpendicular to the first direction.

An surface machining system for a light guide plate, comprising:

• a first surface machining device, including:
• a support;
• a driving component mounted on the support;
• a push unit driven by the driving component, configured to push the light guide plate to a pre-set position;
• a positioning component driven by the driving component, configured to position the light guide plate at the pre-set position;
• a bearing component mounted on the support, configured to bear the light guide plate;
• and
• a pressing component driven by the driving component, configured to press the light guide plate onto the bearing component;
• and
• a second surface machining device cooperated with the first surface machining device, including:
• a working head configured to machine a surface of the light guide plate;
• a clamping component configured to clamp the working head;
• a first horizontal seat slidably connected to the clamping component to allow the working head to translate in a first direction;
• and
• a second horizontal seat slidably connected to the first horizontal seat to allow the working head to translate in a second direction perpendicular to the first direction.

A surface machining method for a light guide plate, using a surface machining system to machine a surface to be machined of the light guide plate, the surface machining system comprising a first surface machining device and a second surface machining device cooperated with the first machining device,

• the first surface machining device, including:
• a support;
• a driving component mounted on the support;
• a push unit driven by the driving component, configured to push the light guide plate to a pre-set position;
• a positioning component driven by the driving component, configured to position the light guide plate at the pre-set position;
• a bearing component mounted on the support, configured to bear the light guide plate;
• and
• a pressing component driven by the driving component, configured to press the light guide plate onto the bearing component;
• and
• the second surface machining device, including:
• a working head configured to machine the surface to be machined of the light guide plate;
• a clamping component configured to clamp the working head;
• a first horizontal seat slidably connected to the clamping component to allow the working head to translate in a first direction;
• and
• a second horizontal seat slidably connected to the first horizontal seat to allow the working head to translate in a second direction perpendicular to the first direction;
• the surface machining method comprising:
• placing the light guide plate onto the bearing component;
• adjusting the positioning component, so that the positioning component is parallel to the surface to be machined of the light guide plate;
• controlling the positioning component and the push unit, so that the light guide plate is fed to the pre-set position;
• adjusting the working head by the first horizontal seat and the second horizontal seat, so that the working head and the surface to be machined of the light guide plate are faced to each other with a pre-set distance;
• and
• adjusting the working head to press the surface to be machined of the light guide plate to machine the surface to be machined, so that the machined surface being formed with a plurality of serrated grooves, each serrate groove having an opening angle of 40° to 119°.

A surface machining method for a light guide plate, using a surface machining system to machine a surface to be machined of the light guide plate, the method comprising:

• pushing the light guide plate to a pre-set position;
• adjusting the light guide plate, so that a working head of the surface machining system and the surface to be machined of the light guide plate are faced to each other with a pre-set distance;
• and
• adjusting the working head to press the surface to be machined of the light guide plate to machine the surface to be machined, so that the machined surface being formed with a plurality of serrated grooves, each serrate groove having an opening angle of 40° to 119°.