Spindle device

• Main Authors: YAN ZHAONAN, LI JINGBIN, PENG CHUNBAO, TAN MING
• Format: Patent
• Language: Chinese; English
• Published: 15.10.2019
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL

The utility model discloses a spindle device which comprises a box body, a clamping mechanism and a rotating mechanism. The clamping mechanism comprises a rotary oil cylinder; the rotary oil cylinderis sequentially connected with a pull ring and a piston through a pull rod; clamping assemblies are distributed on the inner walls of the pull rod and the piston in the circumferential direction. Eachclamping assembly comprises a pull block, a movable block, a T-shaped block and a clamping die which are sequentially arranged in the radial direction of the piston. Pull block fixed on piston, the movable block is provided with an inclined T-shaped groove; the bottom of the pull block is mounted in the T-shaped groove; a T-shaped block is arranged at the bottom of the movable block; the bottom of the T-shaped block is fixed to the clamping die, the two ends of the movable block are provided with a front sliding plate and a rear sliding plate respectively, the front sliding plate is installedin the clamping die, the r