Hydraulic copy grinding device

A hydraulic profiling and grinding technology, used in grinding/polishing equipment, grinding machines, metal processing equipment, etc., can solve the problems of large force of rigid connection device and reduce profiling accuracy, and achieve high-quality surface roughness , compact size, various structure effects

Inactive Publication Date: 2011-06-22
JIANGNAN UNIV
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  • Abstract
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Problems solved by technology

[0004] In view of the shortcomings of the rigid connection device in the profiling processing of the above-mentioned existing thin-walled parts, the resulting elastic deformation reduces the profiling precision and the like, the a

Method used

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Embodiment Construction

[0015] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0016] Such as figure 1 As shown, the present invention uses oil as a medium to transmit information and power. The hydraulic cylinder 5 is fixed on the frame, and the piston 4 drives the quick-change work chuck 3, the grinding head 2 and the valve body 7 to rise or fall together, and the piston 4 The movement is controlled by a slide valve. Both the workpiece 1 and the master model 10 are fixed on the workbench, and the valve core 8 is pressed against the master model under the action of the spring 6 before profiling. When the workbench moves longitudinally to make the contact 9 rise along the surface of the cam, the gap δ at the upper end of the valve core 8 gradually decreases. The oil pressure P2 in the cavity decreases, but the oil pressure in the lower cavity remains unchanged, so that the piston drives the work chuck to lift, resu...

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Abstract

The invention relates to a hydraulic copy grinding device. A workpiece and an explorator are both fixed on a workbench; a contact contacts with the explorator; a grinding head contacts with the workpiece; a first hydraulic cylinder is fixed on a rack; the piston of the first hydraulic cylinder is connected with a quick-change working chuck and the grinding head in series; a second hydraulic cylinder is fixed on the rack; one end of a valve plug in the second hydraulic cylinder is connected into the second hydraulic cylinder by a spring, and the other end of the valve plug is connected with the contact; and the first hydraulic cylinder is connected with the second hydraulic cylinder via an oil line. According to the hydraulic copy grinding device, the copy can be stably and accurately realized, the problems of large action force, poor precision and the like of rigid connection can be avoided, so that a thin-wall piece can be successfully grinded and polished, and high-quality surface roughness can be achieved.

Description

technical field [0001] The invention relates to the field of machining equipment, in particular to a hydraulic profiling grinding device. Background technique [0002] The outer contour of the aircraft is usually a smooth complex curved surface, and the covering parts on the fuselage surface are mostly special-shaped thin-walled parts due to space constraints and the need for weight reduction. Although CNC grinding can greatly improve processing efficiency and parts quality, thin-walled parts will produce a small amount of "vibration" during CNC grinding, which makes the design and manufacture of process tooling difficult, and ultimately affects the surface quality of parts and reduces It reduces the fatigue strength of the aircraft and brings potential safety hazards to the safety of the aircraft. Therefore, at present, electric tools have to be used for manual grinding and polishing to meet the surface roughness requirements of the workpiece; however, the workpiece is man...

Claims

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Application Information

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IPC IPC(8): B24B17/00
Inventor 武美萍张军袁溟
Owner JIANGNAN UNIV
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