Adjustable hydraulic frock

A tooling and hydraulic technology, applied in the mechanical field, can solve problems such as unsatisfactory clamping and positioning, insufficient rigidity, etc., and achieve the effects of improving clamping accuracy and reliability, preventing parts from deforming, and facilitating adjustment

Active Publication Date: 2008-06-18
SHANGHAI PEITONG MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of adjustable hydraulic tooling, which can solve ...

Method used

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Embodiment Construction

[0013] Such as figure 1 , figure 2 and image 3 As shown, the adjustable hydraulic tooling of the present invention is composed of an installation platform 1 and a plurality of support devices 2, wherein the number of the support devices 2 is 18, and any support device 2 is fixedly arranged on the installation platform 1, the support devices 2 are arranged in equal circles along the circumferential direction, and any support device 2 is formed by a support seat 7, and the support seat 7 is fixedly connected with the installation platform 1 through fasteners, and the upper side of the support seat 7 A lifting base 6 is provided, and a vertical through hole is arranged in the lifting base 6, and a lifting rod 5 is arranged in the vertical through hole, the lower end of the lifting rod 5 is connected with the support base 7, and one side of the lifting base 6 is connected with a Tightening oil cylinder mounting seat 13, tensioning oil cylinder mounting seat 13 is provided with...

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Abstract

Disclosed is an adjustable hydraulic fixture, which is structured by an installation platform and 18 supporting devices. The supporting devices are arranged on the installation platform along the circumference by equal circumference divisions; the supporting device is structured by each free end bearing seat which is equipped with an elevating seat; the elevating seat is equipped with a lifting poker; both sides of the elevating seat are equipped with an stretching oil cylinder and a pressure-keep cylinder, etc. The piston rod of the stretching oil cylinder is equipped with a pressure spring. The front end of the piston rod of the stretching oil cylinder is equipped with a stretching claw; the pressure-keep oil cylinder is connected with an hydraulic oil-channel connector through a pipeline. Eighteen hydraulic equipments are arranged in the fixture structure as the supporting points in the invention, and the clamping force at each point can be regulated to equal by hydraulic system; meanwhile, a pressure spring is arranged in hydraulic equipment for workpiece pre-fixing, and the parts deformation is avoided. The invention has the advantages of convenient installation and regulation, and can improve the clamping precision and reliability of the workpiece.

Description

Technical field: [0001] The invention relates to the field of machinery, in particular to a tool fixture, in particular to a debuggable hydraulic tool. Background technique: [0002] In the prior art, the "six-point rule" is generally used for clamping and positioning of workpieces during processing. However, some workpieces have insufficient rigidity, especially large workpieces. For example, the conjoined bearing device of a CT scanner is a thin plate, and the workpiece The size is large and the structure is complex. The positioning and support technology in the existing technology cannot support the smooth processing of this part. If the traditional clamping tool is used to fix it, it is prone to uneven clamping force on the workpiece, and the workpiece is prone to rebound after the clamping plate is released after processing. , resulting in an overvalued size or shape tolerance, so it is necessary to increase support points, but it is difficult to ensure that the support...

Claims

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Application Information

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IPC IPC(8): B23Q3/06B25B11/00
Inventor 刘昌福刘鹤年
Owner SHANGHAI PEITONG MACHINERY
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