Fixture and air pressure detection mechanism thereof

An air pressure detection and fixture technology, which is used in clamping, measuring devices, manufacturing tools, etc., can solve the problems of excessive processing size, damage to the machine, and the inability to detect the cleaning of the positioning surface of the fixture.

Active Publication Date: 2016-09-07
DONGGUAN CHANGYING PRECISION TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the traditional fixture cannot detect whether the workpiece is clamped in place, nor can it detect whether the positioning surface of the fixture is clean. When processing products, the processing size may be out of tolerance. In severe cases, it may cause damage to the tool and damage to the machine.

Method used

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  • Fixture and air pressure detection mechanism thereof
  • Fixture and air pressure detection mechanism thereof
  • Fixture and air pressure detection mechanism thereof

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Embodiment Construction

[0037] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0038] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected ...

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Abstract

The invention relates to a fixture and an air pressure detection mechanism thereof. The fixture further comprises a base, first air cylinders, second air cylinders, an air inlet pipe and an air outlet pipe; the air pressure detection mechanism comprises a pressure solenoid valve, a three-way pipe and a seal ring, and the three-way pipe comprises a first opening, a second opening and a third opening which communicate with one another; when a workpiece is arranged on the positioning surface of a positioning plate, high-pressure air of the air inlet pipe is introduced into a positioning air hole via the second opening and the third opening; if the workpiece is clamped in place and the positioning surface of the positioning plate is clean, the surface of the workpiece and the sealing performance of the seal ring are better, the positioning air hole cannot leak air at the moment, the pressure solenoid valve detects the preset air pressure value, and an intelligent numerically-controlled machine tool is started normally; if the workpiece is not clamped in place and / or the positioning surface of the positioning plate is not clean, the positioning air hole in the positioning plate leaks air, the air pressure value detected by the pressure solenoid valve is reduced, and the intelligent numerically-controlled machine tool cannot be started at the moment.

Description

technical field [0001] The invention relates to the technical field of auxiliary tools for numerical control machine tools, in particular to a clamp and an air pressure detection mechanism thereof. Background technique [0002] When using a CNC machine tool (CNC, Computer number control) to process the shell or middle frame of an electronic product (such as a mobile phone, a tablet computer, etc.), a fixture is usually used to clamp the workpiece to be processed on the positioning surface of the fixture, and then Then use the cutting tool of the CNC machine tool to process the workpiece. [0003] However, the traditional fixture cannot detect whether the workpiece is clamped in place, nor can it detect whether the positioning surface of the fixture is clean. When processing products, the processing size may be out of tolerance. In severe cases, it may cause damage to the tool and damage to the machine. . Contents of the invention [0004] Based on this, it is necessary t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/08G01D21/02
CPCB23Q3/082G01D21/02
Inventor 第强
Owner DONGGUAN CHANGYING PRECISION TECH CO LTD
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