CN115401302A

CN115401302A - Special electron beam welding jig of valve body

Info

Publication number: CN115401302A
Application number: CN202110595890.5A
Authority: CN
Inventors: 许国庆; 张艳娟
Original assignee: Shenyang Fortune Precision Equipment Co Ltd
Current assignee: Shenyang Fortune Precision Equipment Co Ltd
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2022-11-29

Abstract

The invention discloses a special electron beam welding jig for a valve body, which comprises a base, wherein a first vertical plate and a second vertical plate are respectively arranged at the upper part of the base, a plurality of connecting plates are arranged between the first vertical plate and the second vertical plate, bumps are respectively arranged at the bottoms of the connecting plates, a plurality of first bolts and positioning bolts are arranged on the surface of the base, a plurality of positioning holes and a plurality of threaded holes are formed in the bottom of the base, the first bolts are connected with the corresponding threaded holes, the top ends of the first bolts are respectively in threaded connection with the bottoms of the corresponding first vertical plate and the corresponding second vertical plate, the positioning bolts are arranged in the positioning holes, and a plurality of threaded grooves are respectively formed in the tops of the first vertical plate and the second vertical plate. When the invention is used, the vacuum degree of electron beam welding is ensured, the electron beam welding efficiency is improved, and preparation is made for realizing stable mass production.

Description

Special electron beam welding jig of valve body

Technical Field

The invention relates to the technical field of electron beam welding, in particular to a special electron beam welding jig for a valve body.

Background

With the rapid development of the semiconductor field, the requirements of key parts on the electron beam welding technology and the vacuum degree are higher and higher, and the electron beam welding jig has great influence on the welding process. The existing welding jig can not ensure key parameters such as air tightness of an inner cavity, depth of a welding seam and the like of the electron beam welded key parts, so that the electron welding efficiency is low.

Disclosure of Invention

The present invention provides a special electron beam welding jig for a valve body, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special electron beam welding tool of valve body, includes the base, the upper portion of base is provided with first riser and second riser respectively, the first riser with be provided with a plurality of connecting plate, a plurality of between the second riser the bottom of connecting plate all is provided with the lug, the surface of base is provided with the first bolt of a plurality of and location bolt.

Preferably, a plurality of locating hole and a plurality of screw hole have been seted up to the bottom of base, first bolt with correspond the screw hole is connected, and a plurality of the top of first bolt respectively with correspond the bottom threaded connection of first riser and second riser, the setting of location bolt is in the locating hole.

Preferably, a plurality of thread groove, a plurality of have all been seted up at the top of first riser with the second riser the through-hole has all been seted up on the both ends surface of connecting plate, be provided with the second bolt in the through-hole, the bottom of second bolt with thread groove threaded connection, the surface cover of second bolt is equipped with the gasket.

Preferably, the base is an aluminum bottom plate (AL 6061-T651 material).

Preferably, the positioning bolt is a Mi Saimi positioning pin.

Preferably, an L-shaped plate is arranged on the inner wall of one side of the first vertical plate, and a third bolt is arranged on the surface of the L-shaped plate in a threaded mode.

Compared with the prior art, the invention has the beneficial effects that: by arranging the base, the base is an aluminum bottom plate (AL 6061-T651 material) with a special structure, and the positioning bolt is a Mi Saimi positioning pin, the valve body and the base are locked in the machining process, then the valve body and the base are sealed through an external sealing ring, vacuumizing is started after confirming that no foreign matter exists in vacuum in the valve body, the vacuum degree and acceleration voltage of an electron gun are kept, beam current deflection function frequency, beam current and other key parameters are welded, and appearance problems such as air holes, cracks and the like exist in a welded seam, a welding bead and the like after melting and welding are checked. When the invention is used, the vacuum degree of electron beam welding is ensured, the electron beam welding efficiency is improved, and preparation is made for realizing stable mass production.

Drawings

FIG. 1 is a schematic external view of the present invention;

fig. 2 is a bottom view of the base of the present invention.

In the figure: 1. a base; 2. a first vertical plate; 3. a second vertical plate; 4. a connecting plate; 5. a bump; 6. a first bolt; 7. positioning a bolt; 8. a second bolt; 9. a gasket; 10. an L-shaped plate; 11. and a third bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a special electron beam welding jig for a valve body comprises a base 1, wherein a first vertical plate 2 and a second vertical plate 3 are respectively installed on the upper portion of the base 1, a plurality of connecting plates 4 are installed between the first vertical plate 2 and the second vertical plate 3, bumps 5 are installed at the bottoms of the connecting plates 4, and a plurality of first bolts 6 and positioning bolts 7 are installed on the surface of the base 1;

a plurality of locating hole and a plurality of screw hole have been seted up to base 1's bottom, first bolt 6 is connected with the screw hole that corresponds, and the top of a plurality of first bolt 6 respectively with the bottom threaded connection of corresponding first riser 2 and second riser 3, positioning pin 7 is installed in the locating hole, a plurality of thread groove has all been seted up at first riser 2 and the top of second riser 3, the through-hole has all been seted up on the both ends surface of a plurality of connecting plate 4, install second bolt 8 in the through-hole, the bottom and the thread groove threaded connection of second bolt 8, the surface cover of second bolt 8 is equipped with gasket 9, base 1 is aluminium system bottom plate AL6061-T651 material, positioning pin 7 is the Missimi locating pin, install L shaped plate 10 on one side inner wall of first riser 2, the surface thread installation of L shaped plate 10 has third bolt 11.

The working principle is as follows: according to the invention, the base 1 is installed, the base 1 is made of an aluminum bottom plate AL6061-T651 with a special structure, the positioning bolt 7 is a Misimi positioning pin, the valve body and the base 1 are locked in the machining process, then the sealing is carried out through an external sealing ring, the vacuumizing is started after the vacuum inside the valve body is confirmed to be free of foreign matters, the welding is carried out by keeping key parameters such as the vacuum degree and the acceleration voltage of an electron gun, the beam current deflection function frequency, the beam current and the like, and the appearance problems such as air holes, cracks and the like of a welded welding seam, a welding bead and the like are checked. When the invention is used, the vacuum degree of electron beam welding is ensured, the electron beam welding efficiency is improved, and preparation is made for realizing stable mass production.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special electron beam welding tool of valve body, includes base (1), its characterized in that: the upper portion of base (1) is provided with riser (2) and second riser (3) respectively, riser (2) with be provided with a plurality of connecting plate (4), a plurality of between second riser (3) the bottom of connecting plate (4) all is provided with lug (5), the surface of base (1) is provided with a plurality of first bolt (6) and location bolt (7).

2. The special electron beam welding jig for the valve body according to claim 1, wherein: a plurality of locating hole and a plurality of screw hole have been seted up to the bottom of base (1), first bolt (6) with correspond the screw hole is connected, and a plurality of the top of first bolt (6) respectively with correspond the bottom threaded connection of first riser (2) and second riser (3), location bolt (7) set up in the locating hole.

3. The special electron beam welding jig for the valve body according to claim 1, wherein: first riser (2) with a plurality of thread groove, a plurality of have all been seted up at the top of second riser (3) the through-hole has all been seted up on the both ends surface of connecting plate (4), be provided with second bolt (8) in the through-hole, the bottom of second bolt (8) with thread groove threaded connection, the surface cover of second bolt (8) is equipped with gasket (9).

4. The special electron beam welding jig for the valve body according to claim 1, wherein: the base (1) is an aluminum bottom plate (AL 6061-T651 material).

5. The special electron beam welding jig for the valve body according to claim 1, wherein: the positioning bolt (7) is a Mi Saimi positioning pin.

6. The special electron beam welding jig for the valve body according to claim 1, wherein: be provided with L shaped plate (10) on one side inner wall of first riser (2), the surface screw thread of L shaped plate (10) is provided with third bolt (11).