Bench vice for assembly

The utility model discloses a bench vice for assembly. The clamp comprises a base, a jaw sliding block, a screw rod, a positioning block and a three-jaw chuck, the positioning block is arranged on theback face of the jaw sliding block, the three-jaw chuck is arranged on the inner side of a rear base of the base, a conical groove is formed in the positioning block, and the conical axis of the conical groove and the central axis of the three-jaw chuck are located on the same horizontal line. Compared with the function of a traditional bench vice, the multifunctional bench vice can be used for assembling shaft and hub parts which are difficult to clamp by the traditional bench vice, instability and deflection are not prone to occurring in the assembling process, the surfaces of the parts arenot prone to being damaged, and the assembling efficiency and precision can be improved. In addition, all parts involved in the structure are easy to machine, and the production cost is low. 本实用新型公开了一种装配用台虎钳，包括底座、钳口滑块、螺杆、定位块和