Vertical clamping device for circular saw machines

A vertical clamping device for circular saw machines comprising:

• a body having
• a first direction extending along a length direction of the body;
• a top abutting plate;
• and
• a side abutting plate connected to a side face of the top abutting plate along the first direction such that an inner side of the side abutting plate is perpendicular to a bottom side of the top abutting plate;
• a connector detachably connected to the body and having
• a second direction extending along a length direction of the connector and being perpendicular to the first direction of the body;
• a connecting recess formed through a bottom of the connector along a direction being parallel to the first direction of the body, mounted on an end of the body, and having an extending direction being perpendicular to the second direction of the connector;
• and
• a connecting block disposed on a side of the connector at a side of the connecting recess away from the body, and having a connecting rail formed on and protruded from a bottom of the connecting block and extending along the second direction of the connector;
• and
• an operating button rotatably connected to the connector and having an engaging element extending below the connecting block.