A flexible protective fixture for precision assembly

Abstract

The invention discloses a flexible protection fixture for precision assembling, and belongs to the technical field of precision manufacturing. The flexible protection fixture includes a rotary table connecting plate, supporting plates, a fixture transferring plate, a fixture body, a center spring, a force sensor, a spring adjusting sleeve, a force sensor connecting rod and sliding adjusting assemblies. The fixture transferring plate is coaxially connected with the rotary table connecting plate through the two sliding adjusting assemblies. The fixture body is installed on the fixture transferring plate. A set distance is left between the upper end surfaces of the two supporting plates and the lower end surface of the fixture transferring plate. The lower end of the force sensor is arrangedon the rotary table connecting plate. The upper end of the force sensor is connected with the lower end of the force sensor connecting rod. The center spring is arranged at the exterior of the force sensor connecting rod in a sleeving mode. The spring adjusting sleeve is mounted at the upper end of the force sensor connecting rod in the sleeving mode. The other end of the center spring abuts against the upper end surface of the force sensor. According to the flexible protection fixture, a precision manufacturing unit can bear the machining technology producing high assembly force or riveting force, and the force sensor cannot be damaged.

Description

Technical field [0001] The invention belongs to the technical field of precision manufacturing, and specifically relates to a flexible protective clamp used for precision assembly. Background technique [0002] In the field of precision manufacturing, an obvious feature is rapid product transformation, short R&D cycle, and conforms to the characteristics of single-piece and small-volume. Any product processing is inseparable from fixtures, and the degree of flexibility of fixtures directly restricts the production cycle of products. [0003] The precision manufacturing field, especially the precision assembly field, needs to monitor the assembly force and integrate force sensors. The force sensor is a sensitive and fragile unit. Under a larger load, the force sensor will be destroyed. In order to protect the force sensor, it is necessary to isolate the larger assembly force or riveting force so that the larger force does not directly act on the force sensor. [0004] In the field ...

AI Technical Summary

Problems solved by technology

After the product is assembled, the product needs to be riveted, but the riveting force is generally above 400N, and the precision adjustment mechanism is easily deformed under heavy load conditions, and the movement accuracy is damaged

[0005] In recent years, since many precision manufacturing units have integrated force sensors to monitor the force, but this unit can only perform simple processing technology with relatively small force, and cannot withstand large force processing technology, let alone riveting, it is difficult to meet the requirements of concentrated processes. The principle seriously restricts the rapid development of the manufacturing industry

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