Outer-circle clamping and positioning clamp for shaft sleeve part
A technology for clamping and positioning parts, applied in positioning devices, metal processing machinery parts, clamping and other directions, it can solve the problem that the clamping and positioning tooling is not very suitable, the clamping force is easy to damage the parts, and the clamping effect cannot be achieved. and other problems, to achieve the effect of simple structure, suitable clamping force and low production cost
Pending Publication Date: 2021-04-16
AVIC HUIYANG AVIATION PROPELLER
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Problems solved by technology
[0002] The propeller sleeve is one of the important parts in the assembly process of the propeller. The propeller sleeve belongs to the shaft sleeve part. The machining accuracy and the clamping and positioning method of the outer circle during the processing process are relatively high. If the clamping force is too large, it will easily damage the parts. The strength is too small and the clamping effect cannot be achieved, so the existing clamping and positioning tooling is not very suitable
Method used
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[0009] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0010] Such as figure 1 As shown, this embodiment includes a housing 4 , a plunger 3 , a screw 2 , a mounting plate 1 , a liquid plastic 8 and a bushing 6 whose inner hole matches the outer circle of the paddle sleeve 10 to be clamped. The positioning fixture is connected with the special flange of the machine tool through the positioning hole of the mounting plate 1. The housing 4 is fixed on the mounting plate by screws 9 , and the two ends of the bushing 6 are interference-fitted in the housing 4 , and a mold cavity is left between it and the housing 4 , and the mold cavity is filled with liquid plastic 8 . A mounting hole with an upper end as a threaded hole and a lower end as a light hole is opened on an end wall of the housing 4 close to the mounting plate 1 . The screw 2 is screwed into the threaded hole of the mounting hole, and the c...
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The invention discloses an outer-circle clamping and positioning clamp for a shaft sleeve part. A shell is fixed to an installation disc; the two ends of a bushing of which the inner hole is matched with the excircle of a clamped paddle sleeve are assembled in the shell in an interference manner, a cavity is reserved between the two ends of the bushing and the shell, and the cavity is filled with liquid plastic; an installation hole with a threaded hole in the upper end and an unthreaded hole in the lower end is formed in the end wall, close to the installation disc, of the shell; a screw is screwed in the threaded hole of the installation hole, and a blind hole is formed in the center of the bottom face of the screw; a plunger is assembled in the unthreaded hole of the lower end of the installation hole in a micro-clearance mode, the head stretches into the blind hole of the bottom face of the screw, and the end face of the head abuts against the bottom face of the blind hole; an exhaust hole is formed in the other end of the shell, and a sealing screw is screwed in the exhaust hole through threads; and an accommodating groove for an eccentric pin of the clamped paddle sleeve is formed in the installation disc. The clamp is high in centering precision, accurate in positioning, proper in clamping force, free of damage to the surface of a part, simple in structure, convenient to use and low in manufacturing cost.
Description
technical field [0001] The invention relates to a fixture for clamping and positioning the outer circle of shaft sleeve parts. Background technique [0002] The propeller sleeve is one of the important parts in the assembly process of the propeller. The propeller sleeve belongs to the shaft sleeve part. The machining accuracy and the clamping and positioning method of the outer circle during the processing process are relatively high. If the clamping force is too large, it will easily damage the parts. The strength is too small and the clamping effect cannot be achieved, so the existing clamping and positioning tooling is not very suitable. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned problems existing in the prior art, and provide a kind of thin-walled shell parts with high centering precision, accurate positioning, suitable clamping force, no damage to the surface of the parts, and easy to use for clamping and po...
Claims
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Inventor 张凤蔚张雨刘通柳翠茹
Owner AVIC HUIYANG AVIATION PROPELLER