Three-jaw chuck clamp
A three-jaw chuck and fixture technology, applied in the direction of the chuck, can solve the problems of complex structure, difficult installation, increased cost, etc., and achieve the effect of reducing the use cost and easy operation.
Pending Publication Date: 2021-11-12
黑龙江哈工华粹智能装备有限公司
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Problems solved by technology
For example, if you want to clamp a square workpiece, you need a four-jaw chuck, the structure is more complicated, the installation is more difficult, and the cost is increased
Method used
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specific Embodiment approach 1
[0017] Specific implementation mode one: as Figure 1-Figure 8 As shown, this embodiment discloses a three-jaw chuck fixture, including a chuck 1, three jaws and a jaw driving mechanism, and the three jaws are uniformly arranged and fixed on the jaw driving mechanism by screws. On the three slide blocks 14 (the angle between every two adjacent jaws is 120°), the jaw driving mechanism is fixed on the chuck, and the three jaws are driven by the jaw driving mechanism. The three sliders 14 can move along the radial direction of the chuck 1 at the same time to realize automatic centering and clamping; the three claws are respectively claw one 2 and two claw two 7; it is characterized in that: the The front end of the claw-2 is provided with a V-shaped protrusion-3, the angle between the two sides of the V-shaped protrusion-3 is α1, α1=90°, and the middle part of the V-shaped protrusion-3 upper end is provided with a V shaped notch 4 (the V-shaped notch 4 does not penetrate to the ...
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The invention discloses a three-jaw chuck clamp, and belongs to the technical field of clamping and fixing devices. Three clamping jaws are evenly distributed and fixed to three sliding blocks of a clamping jaw driving mechanism, the three clamping jaws are driven by the clamping jaw driving mechanism to move in the radial direction of a chuck along with the three sliding blocks at the same time, and automatic centering and clamping are achieved. The three clamping jaws include the first clamping jaw and the two second clamping jaws. A first V-shaped protrusion is arranged at the front end of the first clamping jaw, the included angle alpha 1 between the two side faces of the first V-shaped protrusion is 90 degrees, a V-shaped notch is formed in the middle of the upper end of the first V-shaped protrusion, the included angle alpha 2 between the two side faces of the V-shaped notch is 90 degrees, a second V-shaped protrusion is arranged at the rear end of the first clamping jaw, and the included angle alpha 3 between the two side faces of the second V-shaped protrusion is 90 degrees. The bottom end of the second V-shaped protrusion is a plane. V-shaped protrusions III are arranged at the front ends and the rear ends of the two clamping jaws II correspondingly, the included angle between the two side faces of each of the two V-shaped protrusions III is alpha 4, the alpha 4 is 150 degrees, and the bottom ends of the two V-shaped protrusions III are also planes. The three-jaw chuck clamp is used for clamping and fixing the workpiece.
Description
technical field [0001] The invention belongs to the technical field of clamping and fixing devices, and in particular relates to a three-jaw chuck clamp. Background technique [0002] At present, three-jaw chucks can generally only clamp rotary workpieces. If you want to clamp L-shaped, square and larger square tube workpieces, you need to make various types of special fixtures. For example, if you want to clamp a square workpiece, you need a four-jaw chuck, which is more complicated in structure, more difficult to install, and increases the cost. Contents of the invention [0003] The object of the present invention is to provide a three-jaw chuck fixture to solve the above-mentioned problems in the prior art. The three-jaw chuck fixture can not only clamp a rotary workpiece, but also clamp an L-shaped workpiece, a square workpiece Large square tube workpieces. [0004] In order to achieve the above object, the technical scheme that the present invention takes is as fo...
Claims
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IPC IPC(8): B23B31/02B23B31/103
CPCB23B31/02B23B31/103
Inventor 刘晨张亚奇徐闻达
Owner 黑龙江哈工华粹智能装备有限公司