Improved device for pressing diamond and aligning diamond with base

A centering device and diamond technology, applied in measuring devices, material analysis through optical means, instruments, etc., can solve problems such as looseness, disappearance of the indenter, and reduction of the pressing force, and achieve the effect of avoiding bump damage

Active Publication Date: 2016-06-01
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Four screws are arranged on the base and evenly distributed around the base. By adjusting the position of the screws, the base on the base is moved relative to the diamond, and finally meets the alignment requirements. In actual use, this adjustment method and clamp The tightening device is not smooth. On the one hand, in order to achieve better results, it is necessary to repeatedly adjust the four screws, and the action of each screw will be affected by other screws, and the operation needs to be completed under a microscope. Slight adjustments can cause large movements in the microscope, and the entire operation is tedious and time-consuming
On the other hand, in order to ensure that the bottom surface of the diamond fits closely with the base, the indenter presses the diamond with greater force. Adjustment will cause the diamond to produce a reaction force on the indenter. Repeated operations will cause the indenter to loosen, making the pressing force If it becomes smaller or disappears, it is necessary to readjust the compression screw of the pressure head during use to obtain sufficient compression force. This re-compression process will in turn affect the adjusted relative position

Method used

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  • Improved device for pressing diamond and aligning diamond with base
  • Improved device for pressing diamond and aligning diamond with base

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Experimental program
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Effect test

Embodiment 1

[0026] The improved diamond and base pressing and centering device of the present invention includes a base 20 for placing the base 10 and a pressing mechanism 40 that applies pressure to the working surface of the diamond 30. The base 20 is provided with a center line and An observation hole 21 parallel to the center line of the through hole 11 on the base 10, the center line of the observation hole 21 coincides with the pressing direction of the pressing mechanism 40, and the base 20 is connected with a main body for supporting the pressing mechanism 40 The supporting structure 50, the main supporting structure is provided with an adjustment mechanism for adjusting the relative position of the diamond 30 and the base 10, and the supporting structure 50 of the main body can be carried out relative to the base 20 and the pressing mechanism 40 around the center line of the observation hole 21. turn. In the present invention, there may be relative movement between the main body ...

Embodiment 2

[0033] The pressing and centering device also includes a gluing mechanism that bonds the diamond 30 and the base 10 together, the gluing mechanism includes a driving device that drives the base 20 to rotate, and an injection device for gluing, the injection The glue outlet of the device faces the pressing surface between the diamond and the base. The epoxy resin glue used for bonding and fixing the diamond 30 and the base 10 can be injected through an injection device, which is similar to a syringe, absorbs the glue prepared in proportion, slowly squeezes the piston, and the glue will flow out evenly. When applying glue, the diamond 30 and the base 10 should be in a relatively fixed position, and the motor drives the base 20 to rotate slowly, and the injection device with a relatively fixed position will evenly smear the glue around the pressing surface of the diamond 30 and the base 10 .

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Abstract

The invention relates to the field of ultrahigh pressure physical experiment equipment, in particular to an improved device for pressing diamond and aligning the diamond with base. The pressing and aligning device comprises a foundation bed used for placing the base and a pressing mechanism for applying pressure on the waist of the diamond, an observation hole with the central axis parallel to that of a through hole in the base is formed in the foundation bed, the central axis of the observation hole coincides with the pressure applying direction of the pressing mechanism, the foundation bed is connected with a body supporting structure used for supporting the pressing mechanism, and the body supporting structure is provided with an adjusting mechanism for adjusting the relative position of the diamond to the base and can rotate around the central axis of the observation hole relative to the base and the pressing mechanism. The body supporting structure only needs to be rotated to the suitable position, and the center of a diamond table board can coincide and be aligned with the central axis of the through hole fast by extruding the base with the adjusting mechanism.

Description

technical field [0001] The invention relates to the field of ultra-high pressure physical experiment equipment, in particular to an improved compression and centering device for diamond and base. Background technique [0002] The diamond counter-anvil is the key equipment used in the field of ultra-high pressure physics experiments to study the properties of matter under million atmospheres. The diamond pair anvil mainly consists of two parts, a pair of diamonds that are in direct contact with the sample and generate ultra-high pressure, and a press for mechanically pressing the diamonds. In order to facilitate the actual operation, the diamond needs to be fixed on a high-hardness base. The fixing method is as follows: stick the bottom surface of the diamond on the base, and after pressing it, spread it evenly with epoxy resin glue and then cure it. There is generally a slender through hole on the base. Laser and X-rays can pass through the through hole on the base in turn,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/01
CPCG01N21/01G01N2021/0112
Inventor 蒋华超张慧超王媛肖令平杨雪曾雉陈晓嘉
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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