Clamp for turning eccentric shafts
An eccentric shaft and fixture technology, applied in the direction of the chuck, etc., can solve the problems that it is not easy to ensure the parallelism of parts, it is not suitable for mass production, and the production efficiency is low, so as to ensure the parallelism, improve product quality, and improve production efficiency. Effect
Active Publication Date: 2018-10-12
HUAIYIN INSTITUTE OF TECHNOLOGY
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Problems solved by technology
[0002] In the field of mechanical processing, eccentric shaft parts are often encountered. The traditional machining method is to pad a gasket with a certain thickness calculated according to the eccentricity on one jaw of the three-jaw chuck to achieve processing. In order to ensure the accuracy of the eccentricity It is necessary to adjust the thickness of the gasket many times to align the workpiece. Since the machining eccentricity belongs to the secondary clamping, it is not easy to ensure the parallelism of the two axes of the part. Every time a part is processed, the workpiece must be aligned once. The traditional method does not Suitable for mass production, low production efficiency
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[0025] like Figures 1 to 11 A fixture for turning eccentric shafts shown includes a chassis 1, a swing plate 2, a three-jaw chuck 3 and a baffle plate 4, the three-jaw chuck 3 is fixed in the middle of the swing plate 2, and the lower end of the swing plate 2 is hinged On the chassis 1, the wobble plate can swing around the hinge point. The upper part of the wobble plate 2 is provided with an arc-shaped chute 5, and the positioning pin 6 fixed on the chassis 1 is located in the arc-shaped chute 5. When the wobble plate swings, Locating pin 6 is positioned in the arc chute all the time, prevents swing angle from being too large. The baffle plate 4 is against one side of the baffle plate 2 and the lower end of the baffle plate 4 is hinged on the chassis 1. The baffle plate restricts the swing angle of the wobble plate. The other end of the other end is screwed on the adjustment support 8, and the adjustment support 8 is fixed on the chassis 1, and the position of the baffle ca...
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The invention discloses a clamp for turning eccentric shafts. The clamp comprises a chassis, a swing disc, a three-claw chuck and a baffle, the three-claw chuck is fixed to the middle portion of the swing disc, the lower end of the swing disc is hinged to the chassis, an arc-shaped sliding groove is formed in the upper portion of the swing disc, a positioning pin fixed to the chassis is located inthe arc-shaped sliding groove, the baffle abuts against one side of the swing disc, the lower end of the baffle is hinged to the chassis, one end of an adjusting rod is rotationally connected to theupper end of the baffle, the other end of the adjusting rod is in screw joint to an adjusting support, the adjusting support is fixed to the chassis, and a locking bolt arranged on the chassis upwardspenetrates the swing disc to be connected with a locking nut in a matched manner. Operation is simple, time and labor are saved, the production efficiency is obviously improved, and the product quality is greatly improved.
Description
technical field [0001] The invention relates to the field of machining, in particular to a clamp for turning an eccentric shaft. Background technique [0002] In the field of mechanical processing, eccentric shaft parts are often encountered. The traditional machining method is to pad a gasket with a certain thickness calculated according to the eccentricity on one jaw of the three-jaw chuck to achieve processing. In order to ensure the accuracy of the eccentricity It is necessary to adjust the thickness of the gasket many times to align the workpiece. Since the machining eccentricity belongs to the secondary clamping, it is not easy to ensure the parallelism of the two axes of the part. Every time a part is processed, the workpiece must be aligned once. The traditional method does not It is suitable for mass production and has low production efficiency. Contents of the invention [0003] The invention overcomes the existing defects and provides a fixture for turning ecce...
Claims
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IPC IPC(8): B23B31/10
Inventor 方晓堂殷永华沈殿才丁友伟
Owner HUAIYIN INSTITUTE OF TECHNOLOGY