Clamp

The invention discloses a clamp which comprises a clamp base. The clamp further comprises a first cushion block, a second cushion block, a left-right cushion block, a first clamp block and a second clamp block. The first cushion block is movably connected to the lower portion of the clamp base, the lower plane of the clamp base is provided with two inclined planes in V-shaped distribution, the upper plane of the clamp base is provided with an inclined hole and an inversely T-shaped groove, and the first cushion block is installed on the clamp base through the left-right cushion block. The first cushion block and the second cushion block are provided with V-shaped openings and are in symmetrical opposite distribution, the second cushion block is installed on the V-shaped opening of the first clamp block, one supporting block is installed on the side of the first clamp block, a fixed block is installed on the supporting block, and the second clamp block is in threaded connection with the fixed block. The clamp is suitable for various workpieces, only needs to be directly installed on a guide rail when installed and is simple and convenient to install, and accordingly the working efficiency is greatly improved. Due to the fact that each part is replaceable and adjustable, the clamp further has the advantages of being low in cost and wide in applied range.