The utility model discloses a new -type frock clamp, it includes the fixed body of anchor clamps, tight drive block is pressed from both sides to the level, the tight drive block of vertical clamp, the tight screw rod of vertical clamp, fixed body through -hole is seted up to the fixed body intermediate position of anchor clamps, the fixed body of anchor clamps sets up, the lower extreme fixed part, three anchor clamps stationary blade is adorned to upper end fixed part spiral shell, tight first mounting groove is pressed from both sides in the shaping between the two adjacent anchor clamps stationary blades, it presss from both sides tight head to inlay dress claw shape respectively in the tight first mounting groove of each clamp, it is peripheral in the upper end fixed part that tight drive block suit is pressed from both sides to the level, spiral groove is seted up to the tight drive block upper surface of level clamp, each claw shape presss from both sides tight first lower surface and sets up the helical tooth respectively, it is distolateral down that the tight drive block of vertical clamp lies in the fixed body of anchor clamps, and the drive block screw hole is offered to the tight drive block intermediate position of vertical clamp, and the tight spiral shell of vertical clamp dress spiral shell is adorned in drive block threaded hole, and the tight screw rod upper end of vertical clamp sets up the vertical top portion of holding. Through the structure design, the utility model has the advantages of modern design, compact structure, simple and practical and reliable and stable nature are good.