Metal part compression change testing device
A technology for testing devices and metal parts, applied in measuring devices, using stable tension/pressure to test the strength of materials, instruments, etc., can solve problems such as inconvenience in operation and use, and achieve fast measurement speed, short measurement stroke, and economical energy effect
Inactive Publication Date: 2012-08-01
NINGBO LONG BEACH
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Problems solved by technology
[0003] Patent No. 200420029843.6 "Measuring device for pressure deformation of hydraulic machine body", but this measuring device must be equipped with upper and lower molds to measure, so it is inconvenient to operate and use, and it is more suitable for the measurement of large parts
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[0015] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0016] The test bench is a frame-shaped whole formed by supporting and connecting the bottom plate 1 and the movable plate 6 through the guide pillars 3 on two opposite corners.
[0017] According to the needs of the size of the test part, the support structure connecting the guide pillars at the four corners can also be used.
[0018] A seat 12 and an air cylinder 13 are fixed on the upper surface of the base plate 1, an air pump 14 is fixed on the vertical plate on the side surface of the base plate and is connected with the air cylinder 13 and the air switch 15 as a pneumatic power source, and the lower measuring frame is fixed with screws on the front surface 2. There are mounting holes on the bottom plate relative to the slide rails of the press to connect with the slide rails of the press, so that the entire test bench can move back and forth on th...
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A metal part compression change testing device comprises a movable plate and a bottom plate, wherein the movable plate and the bottom plate are connected into a whole through a guide post, an upper compression post and an upper measuring rack are fixed on the movable plate, an base and a lower measuring rack are fixed on the bottom plate, a two-point displacement gauge is fixed on the upper measuring rack and the lower measuring rack, a cylinder and a gas pump are fixed on the bottom plate, the gas pump is connected with a gas switch and the cylinder through a gas path, and an upper limiting locking ring and a lower limiting locking ring are connected on the guide post. In addition, a support bar is additionally arranged between the movable plate and the bottom plate and is used for replacing the support effect of the cylinder, saving energy and preventing the highest limit is exceeded when the movable plate is lifted, so as to limit the chance of damage of the two-point displacement gauge due to the fact that the movable plate drives the two-point displacement gauge to lift too much. The height of the upper limiting locking ring and the lower limiting locking ring on the guide post are regulated to measure parts and products with different heights or limit the position of the movable plate in the vertical direction. The metal part compression change testing device provided by the invention has short measurement travel and high measurement accuracy, can achieve the purpose of rapid measurement, high efficiency, energy saving and time saving, and can be used in combination with various pressing machines having different structures.
Description
technical field [0001] The invention relates to a testing device, in particular to a testing device for testing changes in metal parts under pressure to ensure product quality and use safety. Background technique [0002] With the development of mechanical processing technology, the achievable processing accuracy is getting higher and higher. In order to ensure the safety of product use, it is necessary to test some important and critical parts and products. At the same time, some measurement techniques, The measuring device also puts forward higher requirements, requiring a high level of accuracy. However, the measurement of some existing metal parts is only done with the help of the press and the instrument on it, and there is no special measuring device, so the measurement accuracy is far away. Far from meeting the high demands of users. [0003] Patent No. 200420029843.6 "Measuring device for pressure deformation of hydraulic machine body", but this measuring device mus...
Claims
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IPC IPC(8): G01N3/12G01N3/02
Inventor 马立中
Owner NINGBO LONG BEACH