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X-ray tube filament welding device and height adjusting method

A technology for an X-ray tube and a welding device, applied in the field of X-ray tubes, can solve the problems of tube current not meeting working requirements, poor laminar flow of electron beams, low electron extraction efficiency, etc., and achieve a wide range of use, simple and reliable structure , to ensure the effect of adjustment stability

Pending Publication Date: 2022-04-15
甘肃虹光电子有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Too high will cause poor focusing effect on the one hand, and poor electron beam laminar flow on the other hand; too low will cause low electron emission efficiency, resulting in tube current not meeting the working requirements

Method used

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  • X-ray tube filament welding device and height adjusting method
  • X-ray tube filament welding device and height adjusting method
  • X-ray tube filament welding device and height adjusting method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Such as Figure 1-Figure 5 As shown, an X-ray tube filament welding device includes a sleeve 1, an adjusting bolt 3 and a filament assembly 5, the sleeve 1 includes a side wall and a bottom plate, the center of the bottom plate of the sleeve 1 is provided with a bottom screw hole 101, and the adjusting bolt 3 Connected in the bottom screw hole 101, the filament assembly 5 includes a cathode support seat 51, a filament insulating post 52, a filament lead post 53 and a filament 54, and the cathode support seat 51 is provided with two lead post holes I511; two lead posts Bores I511 are provided with insulating post holes 512. The inner diameter of the insulating post holes 512 is larger than the inner diameter of the lead post holes I511. The two insulating post holes 512 are coaxial with the two lead post holes I511 respectively. Two filament insulating posts 52 are respectively connected in two connected insulating post holes 512, and the filament insulating post 52 is p...

Embodiment 2

[0059] A method for adjusting the height of an X-ray tube filament welding device, comprising the following steps:

[0060] S1. Connect the locking nut 2 to the adjusting bolt 3, screw the adjusting bolt 3 into the bottom screw hole 101, do not tighten the locking nut 2, screw the fixing screw 6 into the side screw hole 102, do not screw the fixing screw 6 into the side screw hole 102 The front end of the screw 6 protrudes from the side wall of the sleeve 1;

[0061] S2. Insert the two filament lead posts 53 into the lead post holes II 521 of the two filament insulation posts 52 respectively, and place pure silver solder wire 7 in the two solder holes 522;

[0062] S3. Put the cathode support seat 51 into the sleeve 1, rotate the cathode support seat 51 so that the two lead post holes I511 are parallel to the groove 41 on the adjustment plate 4, rotate the fixing screw 6 and use the front end of the fixing screw 6 to lock the cathode support seat 51;

[0063] S4. Adjust the ...

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Abstract

The invention relates to the technical field of X-ray tubes, in particular to an X-ray tube filament welding device and a height adjusting method.The X-ray tube filament welding device comprises a sleeve, an adjusting bolt and a filament assembly, a bottom screw hole is formed in the center of a bottom plate of the sleeve, and the adjusting bolt is connected into the bottom screw hole; comprising a cathode supporting seat, filament insulation columns, filament lead columns and filaments, a groove is formed in the top face of an adjusting disc, the bottom ends of the two filament lead columns are connected to the inner bottom face of the groove, side screw holes are formed in the side wall of a sleeve, fixing screws are in threaded connection in the side screw holes, and the front ends of the fixing screws abut against the side face of the cathode supporting seat. The X-ray tube filament welding device is simple and reliable in structure, flexible to use, wide in application range and stable to operate, the X-ray tube filament welding quality is effectively guaranteed, then the product quality is guaranteed, the working difficulty of X-ray tube filament welding work is reduced, the rejection rate is effectively reduced, and manpower and material resources are saved.

Description

technical field [0001] The invention relates to the technical field of X-ray tubes, in particular to an X-ray tube filament welding device and a height adjustment method. Background technique [0002] As the filament of the X-ray tube electron emission source, the installation height of the filament determines to a certain extent the focusing effect of the electron beam, the size of the focal point, and the definition of imaging, thereby affecting the life of the X-ray tube. [0003] In the actual development and production process, the height of the X-ray tube filament is too high or low, which will affect the emission ability and focusing effect of the electron beam. If it is too high, it will cause poor focusing effect on the one hand, and on the other hand, the electron beam laminarity is not good; if it is too low, the electron emission efficiency will be low, and the tube current will not meet the working requirements. Contents of the invention [0004] The object o...

Claims

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Application Information

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IPC IPC(8): B23K37/00B23K37/04
Inventor 曹永升柴彦科牛文斗马正军穆建中李小琴张振勋
Owner 甘肃虹光电子有限责任公司
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