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A kind of helical slow wave system cold extrusion tooling and its assembly method

A technology of slow wave system and assembly method, applied in electrode system manufacturing, manufacturing tools, cold cathode manufacturing, etc., can solve the problems of high frequency heat dissipation, poor reliability, easy loosening of clamping rods, etc., to improve reliability and assembly efficiency High, easy-to-assemble effect

Active Publication Date: 2021-07-27
NANJING SANLE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing assembly method of the helical slow wave system is the clamping of the fastening piece by the wedge. This assembly method is easy to loose the clamping rod, which is easy to cause high-frequency heat dissipation problems and has poor reliability.

Method used

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  • A kind of helical slow wave system cold extrusion tooling and its assembly method
  • A kind of helical slow wave system cold extrusion tooling and its assembly method
  • A kind of helical slow wave system cold extrusion tooling and its assembly method

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Experimental program
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Effect test

Embodiment 1

[0032] Such as Figure 1 to Figure 5 As shown, a helical slow wave system cold extrusion tool is characterized in that it includes: a base 1, a lower positioning core 2 installed in the center hole of the base 1, and a T-shaped groove is opened on the base 1 in thirds 1-1, T-shaped slot 1-1 is installed with a clamping slider 3, the outer sleeve of the clamping slider 3 is covered with an outer sleeve 4, the outer sleeve 4 is covered with a guide sleeve 5, and the outer sleeve 4 is equipped with a The cover plate 6, the upper positioning core 7 is inserted in the center of the cover plate 6; the lower positioning core 2 and the upper positioning core 7 are coaxial;

[0033] The clamping slider 3 and the outer sleeve 4 are precisely combined through inner and outer cones;

[0034] The base 1 is provided with a groove 8 aligned with the energy transmission hole of the composite shell;

[0035] The bottom of the clamping slider 3 is provided with a T-shaped block 3-1, and the c...

Embodiment 2

[0037] Embodiment 2 The cold extrusion assembly method of the helical slow wave system according to the present invention comprises the following steps:

[0038] Step a: first install the lower positioning core 2 into the central hole of the base 1, then put the composite shell 9 with the helix and the clamping rod inside on the lower positioning core 2, and place the energy transmission hole of the composite shell Align the direction with the groove 8 on the base 1, and insert the pin to fix it;

[0039] Step b: Install the three clamping slides 3 into the three T-shaped slots 1-1 on the base 1 in sequence; install the guide sleeve 5 on the base 1, and then put the outer sleeve 4 on the three clamping slides block 3 outside;

[0040] Step c: Cover the cover plate 6, and then insert the upper positioning core 7 from the hole in the center of the cover plate 6; then put the entire tooling on a micro press that can display pressure, and apply a certain pressure to the cover pla...

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Abstract

The invention discloses a helical slow wave system cold extrusion tooling and an assembly method, which comprises: a base (1), a lower positioning core (2) installed in the center hole of the base (1), the base (1) and the like There is a T-shaped slot (1-1) on the sub-position, and the clamping slider (3) is installed in the T-shaped slot (1-1), and the outer sleeve (4) is sleeved on the outside of the clamping slider (3). The outer sleeve (4) is covered with a guide sleeve (5), and a cover plate (6) is installed on the outer sleeve (4), and an upper positioning core (7) is inserted in the center of the cover plate (6); The positioning core (2) is coaxial with the upper positioning core (7). The invention has a reasonable structural design, can realize reliable clamping of the helix, can solve the problem of high-frequency heat dissipation caused by insufficient assembly of the helix slow wave system, and improves the reliability of the helix traveling wave tube slow wave system. The assembly method of the present invention has strong process operability and high assembly efficiency, and can realize the clamping and bonding of the composite tube shell, the helical wire and the clamping rod at normal temperature.

Description

technical field [0001] The invention relates to an electronic device for a traveling wave tube, in particular to a helical slow wave system cold extrusion tooling and an assembly method thereof. Background technique [0002] As the main device in electric vacuum devices in recent years, the helical traveling wave tube has broad application prospects. With the development of electric vacuum devices in the direction of high reliability, long life, and high efficiency, the slow-wave system of helical traveling wave tubes is a key component of helical traveling wave tubes, and the improvement of its reliability has become a research hotspot in the industry. The core of improving the reliability of the slow wave system is how to improve the heat dissipation performance of the slow wave system. In addition to the structural design, the close fit of the helix, the clamping rod, and the shell of the slow wave system is the key. [0003] The existing assembly method of the helical s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B27/02H01J9/00H01J23/27
CPCB25B27/02H01J9/00H01J23/27
Inventor 吴亚琴姚建波刘长彪王健朱军方常虹梁田朱校辰刘俊任重李林
Owner NANJING SANLE GROUP