Air tightness detection system and workpiece clamping abnormity early warning method

A technology of air tightness detection and workpiece, which is applied in the direction of using liquid/vacuum to measure liquid tightness, and by measuring the increase and deceleration rate of fluid, etc., can solve the problem that the machine cannot be started, and achieve the effect of avoiding defective products

Inactive Publication Date: 2016-12-07
惠州市华阳精机有限公司
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  • Abstract
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Problems solved by technology

[0003] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to accurately judge whether the surface close to the fixture and the workpiece is really blown clean. Can't start, must be blown again to start

Method used

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  • Air tightness detection system and workpiece clamping abnormity early warning method
  • Air tightness detection system and workpiece clamping abnormity early warning method
  • Air tightness detection system and workpiece clamping abnormity early warning method

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0028] figure 1 is the overall diagram of the air tightness detection system, figure 2 is the top view of the fixture, image 3 is a sectional view of the fixture.

[0029] Air tightness detection system, including air inlet 1, CNC machine 2, air pressure change signal output line 3, vent hole 4, contact surface between fixture and workpiece 5, workpiece to be processed 6, fixture 7, air pipe joint 8, air pipe 9, Air pressure detector 10.

[0030] Before the workpiece to be processed is loaded into the fixture, blow off the waste aluminum chips on the contact surface between the fixture and the workpiece. After the workpiece 6 to be processed is loaded into the fixture 7, the gas with a certain pressure is input from the air inlet 1, and the gas passes through the air pipe 9. Air pressure detector 10, ...

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Abstract

The invention relates to the product crack detection field and especially relates to an air tightness detection system and a workpiece clamping abnormity early warning method. The system and the method of the invention aim at solving a technical problem of accurately determining whether a surface of a clamp, which is tightly contacted with the workpiece, is really blown cleanly. When operating personnel does not blow cleanly the surface of a clamp, which is tightly contacted with the workpiece, a machine can not be started. When the surface is blown cleanly, the machine can be started. The air tightness detection system comprises an air inlet, an air pipe, an air pressure detector, an air pressure change signal output line, a CNC machine, an air pipe joint, the clamp, a contact surface of the clamp and the workpiece, a vent hole and a workpiece to be processed. In the invention, inferior-quality product generation caused by a manual operation fault can be well avoided.

Description

technical field [0001] The invention relates to the field of product crack detection, and in particular discloses an air tightness detection system and a pre-warning method for abnormal clamping of workpieces. Background technique [0002] During the process of processing the workpiece, a lot of waste chips (such as aluminum chips) will be generated, and the waste chips will appear in any position. Before clamping the product, the fixture is manually blown clean, but there is an uncertain factor in the manual operation: it cannot Ensure that the surface of the fixture that is close to the workpiece can be blown clean every time, so when processing a large number of workpieces, it is inevitable that occasionally the surface of the fixture that is close to the workpiece is not blown clean, resulting in one or two dimensions exceeding the processing error It happens from time to time, because the proportion of workpieces exceeding the machining error due to clamping is very sma...

Claims

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Application Information

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IPC IPC(8): G01M3/26
CPCG01M3/26
Inventor 何伟
Owner 惠州市华阳精机有限公司
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