Irregular workpiece centered clamping chuck
A technology of irregular and centering jaws, which is applied in the field of chuck clamping devices for lathes, can solve the problems of cumbersome clamping, inconvenient operation, time-consuming and laborious, etc., and achieve simple and convenient processing, easy operation and strong compatibility Effect
Active Publication Date: 2018-10-12
SICHUAN LINGFENG AVIATION HYDRAULIC MACHINERY
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[0004] The purpose of the present invention is to provide a simple and convenient operation, high clamping efficiency and positioning Reliable and versatile chuck fixture device
Method used
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[0014] refer to figure 1 , figure 2 . In the embodiment described below, a centering clamping chuck for an irregular workpiece includes: a chuck body 1 , movable jaws that approach or withdraw from the center at the same time through a jaw driving mechanism. There are two symmetrical chuck body 1 centers on the base of the chuck body 1, and centering jaws 2 that approach or withdraw from the center at the same time, and two symmetrical chuck body 1 centers are also firmly connected to the base of the chuck body 1. Angle plate base 3, the angle plate of the angle plate base 3 is formed with a central axis perpendicular to the bisector of the top jaw angle of the centering jaw 2, a screw hole parallel to the central axis of the chuck body 1, and a single-action positioning bolt jaw 6 and the clamping jaw 5 of the single-action pressing bolt face the center of the symmetrical chuck body 1 through the above-mentioned screw holes, and are connected by threads and locked and fixe...
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The invention discloses an irregular workpiece centered clamping chuck, and provides an adjustable chuck mechanism with convenience to operate, reliable positioning, high generality and high compatibility. The irregular workpiece centered clamping chuck is characterized in that a single-action positioning bolt clamping jaw (6) and a single-action pressing bolt clamping jaw (5) are oppositely symmetrical about the center of a chuck body (1) through an angle plate centering screw hole, are connected through a thread, are fixedly locked through a locking nut, and form center cross lines with angular bisectors of top jaws of two centering clamping jaws (2); the central axes of the centering clamping jaws are kept consistent; the centering clamping jaws are driven by a clamping jaw driving mechanism to synchronously move to the center at equal intervals to automatically center and clamp two surfaces of irregular workpieces; the single-action positioning bolt clamping jaw and the single-action pressing bolt clamping jaw respectively correspond to bonded surfaces of the irregular workpieces in other two opposite directions, and approach the center under pushing by threads; and centering thread holes of an angular plate base (3) respectively correspond to the other two outer edge profile clamping surfaces of the irregular workpieces for suspension positioned clamping.
Description
technical field [0001] The invention relates to a chuck clamping device for a lathe, in particular to a quick clamping chuck device for clamping and turning two nozzles on a lathe for an L-shaped right-angle nozzle blank in aviation products. Background technique [0002] A chuck is a mechanical device used to clamp a workpiece on a machine tool. It is a machine tool accessory that uses the radial movement of the movable jaws evenly distributed on the chuck body to clamp and position the workpiece. The chuck is generally composed of three parts: the chuck body, the movable jaw and the jaw driving mechanism. The three-jaw chuck is the most commonly used general-purpose fixture for lathes. The biggest advantage of the three-jaw chuck is that it can be centered automatically, with a large clamping range and fast clamping speed, but there is an error in the centering accuracy, which is not suitable for high coaxiality requirements. Secondary clamping of the workpiece. In orde...
Claims
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IPC IPC(8): B23B31/10
CPCB23B31/10
Inventor 高克祥叶红旗曾盛
Owner SICHUAN LINGFENG AVIATION HYDRAULIC MACHINERY