Workpiece fixing device and method for ultrasonic nondestructive test in field of low-voltage apparatuses
A low-voltage electrical appliance and non-destructive flaw detection technology, applied in the direction of measuring devices, material analysis using sound waves/ultrasonic waves/infrasonic waves, instruments, etc., to achieve good clamping and accurate positioning effects
Active Publication Date: 2015-07-15
SHANGHAI HIWAVE PRECISION INSTR CO LTD
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Problems solved by technology
However, due to the various types of workpieces, the types of fixtures are also ever-changing, so that when performing ultrasonic nondestructive testing, it is necessary to prepare more fixtures according to the workpiece, which brings great inconvenience to the operator.
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[0029] The technical solution of the present invention is further described below. The following description is only for understanding the technical solution of the present invention, and is not used to limit the scope of the present invention. The scope of protection of the present invention is based on the claims.
[0030] like Figure 1-Figure 6 Shown is a workpiece fixing device for ultrasonic non-destructive testing in the field of low-voltage electrical appliances according to an embodiment of the present invention. The fixing device includes a standardized fixture base 1 and a personalized fixture 2 .
[0031] like Figure 1-Figure 4 As shown, the cross-section of the standardized fixture base 1 is a convex structure (such as figure 2 shown); the bottom of the standardized fixture base 1 is provided with a first positioning hole 9 and a second positioning hole 10 (such as Figure 4 shown), the first and second positioning holes 9, 10 are used to connect with the posi...
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The invention discloses a workpiece fixing device and method for ultrasonic nondestructive test in the field of low-voltage apparatuses. The device comprises a standard clamp base and an individual clamp, wherein the standard clamp base refers to a convex cuboid; a positioning hole is formed in the bottom of the standard clamp base and is matched with a positioning pin of a detection water tank; a guide slot is formed in the bottom of the standard clamp base and is communicated with the positioning hole; a wedge-shaped table on the upper part of the standard clamp base is divided into multiple stations; connecting grooves are formed in two sides of the wedge-shaped table of the standard clamp base and are used for realizing connection between the standard clamp base and the individual clamp; the individual clamp comprises a bottom connecting structure, an adjusting structure and a positioning structure; the bottom connecting structure is of a bridge structure and is used for matching with the wedge-shaped table of the standard clamp base; the adjusting structure is in the broken line form; the positioning structure refers to a planar boss; and the positioning structure and the adjusting structure co-act, so that a to-be-detected workpiece is accurately positioned. The device disclosed by the invention is accurately positioned, and the types, number and positions of the placed workpieces can be adjusted according to needs.
Description
technical field [0001] The invention relates to the field of ultrasonic nondestructive testing of low-voltage electrical appliances, in particular to a workpiece fixing device and method for ultrasonic nondestructive testing in the field of low-voltage electrical appliances. Background technique [0002] With the development of modern science and technology, the application of ultrasonic waves is becoming more and more extensive, and it is increasingly widely used in the field of detection of welding quality of low-voltage electrical contacts. [0003] Ultrasonic non-destructive testing is to use the different characteristics of ultrasonic waves in material propagation, and use point-by-point scanning to detect the welding quality of solder joints and form a detection image. It is an important means of non-destructive testing, which analyzes the welding quality of the contacts without any damage to the product. When performing ultrasonic nondestructive testing, especially w...
Claims
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Inventor 张国方裘揆肖东贾海立陈乐生
Owner SHANGHAI HIWAVE PRECISION INSTR CO LTD