CN210878254U

CN210878254U - Oil spout ring welding frock

Info

Publication number: CN210878254U
Application number: CN201921351207.8U
Authority: CN
Inventors: 刘军科; 王通; 陈祖盛
Original assignee: Chengli Aviation Technology Co ltd
Current assignee: Establishment of Aviation Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-06-30
Anticipated expiration: 2029-08-20

Abstract

The utility model provides an spout oil ring welding frock, spout oil ring includes a plurality of nozzle shell, through communicating pipe intercommunication between the adjacent nozzle shell, including the truncation cone, truncation cone upper surface is equipped with the handle, a plurality of mounting grooves of truncation cone side evenly distributed form trapezoidal inclined plane between the adjacent mounting groove, the mounting groove bottom surface is the rectangle of slope, mounting groove bottom surface center department is equipped with the locating hole, and the locating hole both sides are equipped with the screw hole, nozzle shell installs in the locating hole bottom, nozzle shell is fixed in on the mounting groove bottom surface through bolt and screw hole cooperation. A spout oil ring welding frock, a clamping targets in place, improves the installation accuracy, avoids relapse location, the precision problem that the clamping arouses, prevents to appear warping and aversion in the welding process, a plurality of nozzle housings of clamping can weld in batches, improves frock of brazing and production efficiency, improves welding quality.

Description

Oil spout ring welding frock

Technical Field

The utility model belongs to the technical field of the anodization frock, especially, relate to an oil spout ring welding frock.

Background

The oil injection ring is an important component in a turbojet engine, and the shape and the structure of the oil injection ring on the market are gradually complicated according to the scale-to-grade ratio. Therefore, higher requirements are placed on welding, and the difficulty of operation is increased. The use of existing welding techniques as a permanent joining means in aircraft engine structural components is increasing. The development of the aviation industry, which may be called tiger-added wing, has become a key process technology necessary for the development of the aviation industry. The further development of key process technology research and process tools such as evaluation of appearance, service life and tensile and compressive strength of welding spots of welded structural parts is a necessary trend. At present, a soft rib welded by an oil injection ring is not provided with a special tool to finish one-time brazing, and the problems of positioning and precision are caused by repeated clamping and welding of the oil injection ring, so that the welding quality is influenced. Meanwhile, due to the fact that the welding angle is unqualified, products are frequently repaired or even scrapped, and the qualification rate of the welding angle of the oil injection ring and the production efficiency of the products are seriously affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an spout oil ring welding frock to accomplish the one-time welding of spouting the oil ring, improve welding quality, improve the qualification rate of the welding angle of spouting the oil ring and the production efficiency of product.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an spout oil ring welding frock, spout the oil ring and include a plurality of nozzle shell, communicate through communicating pipe between the adjacent nozzle shell, including the truncation cone, truncation cone upper surface is equipped with the handle, a plurality of mounting grooves of truncation cone side evenly distributed form trapezoidal inclined plane between the adjacent mounting groove, the mounting groove bottom surface is the rectangle of slope, mounting groove bottom surface center department is equipped with the locating hole, and the locating hole both sides are equipped with the screw hole, install in the locating hole nozzle shell bottom, nozzle shell passes through the bolt and is fixed in on the mounting groove bottom surface with the screw hole cooperation.

Furthermore, a through hole is formed in the center of the truncated cone; the bottom surface of the mounting groove forms an included angle of 45 degrees with the horizontal direction.

Furthermore, the bottom of the nozzle shell is provided with a ball head, two sides of the ball head are provided with fixing holes, the ball head is installed in the positioning hole, and one end of the bolt penetrates through the fixing holes and is matched with the threaded hole to fix the nozzle shell on the bottom surface of the installation groove.

Furthermore, connectors are symmetrically arranged on the side surfaces of the nozzle shells, the communicating pipe is fixedly connected with the connectors, and the plurality of nozzle shells are connected in series; the number of the nozzle shells is 14.

Furthermore, a handle mounting hole is formed in the upper surface of the truncated cone, and two ends of the handle are fixed in the handle mounting hole.

Compared with the prior art, a spout oil ring welding frock have following advantage:

the utility model discloses an oil spout ring welding frock, including the truncated cone, a plurality of mounting grooves are evenly distributed to the truncated cone side, are fixed in the mounting groove simultaneously with a plurality of nozzle shells, establish ties through communicating pipe between a plurality of nozzle shells, and a clamping targets in place, improves the installation accuracy, avoids the location that the clamping arouses repeatedly, the precision problem, prevents to appear warping and shifting in the welding process, and a plurality of nozzle shells of clamping once can weld in batches, improves brazing frock and production efficiency, improves welding quality; meanwhile, the included angle between the bottom surface of the mounting groove and the horizontal direction is 45 degrees, and the included angle is consistent with the included angle between the axis of the oil injection spherical surface and the central axis of the engine, so that the welding angle is ensured to be proper, and the qualification rate of the welding angle of the oil injection ring and the production efficiency of products are improved.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a preferred embodiment of an oil spray ring welding tool according to the present invention;

fig. 2 is a perspective view of the nozzle housing.

Description of reference numerals:

1-truncated cone; 2-a handle; 3-a through hole; 4-mounting grooves; 5-a trapezoidal slope; 6-positioning holes; 7-a threaded hole; 8-a nozzle housing; 9-communicating pipe; 10-bolt; 11-a fixation hole; 12-a connection port; 13-bulb.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A fuel injection ring welding tool comprises a plurality of nozzle shells 8, adjacent nozzle shells 8 are communicated through a communicating pipe 9, as shown in figure 1, the welding tool comprises a truncated cone 1, a handle mounting hole is formed in the upper surface of the truncated cone 1, two ends of a handle 2 are fixed in the handle mounting hole, the handle 2 is convenient for the integral extraction of the tool, a through hole 3 is formed in the center of the truncated cone 1, the overall shape of the tool can be ensured, the weight of the tool is reduced, the cost is saved, a plurality of mounting grooves 4 are uniformly distributed on the side surface of the truncated cone 1, a trapezoidal inclined surface 5 is formed between every two adjacent mounting grooves 4, the bottom surface of each mounting groove 4 is an inclined rectangle, the included angle between the bottom surface of each mounting groove 4 and the horizontal direction is 45 degrees, the included angle is consistent with the included angle between the axis of a fuel injection spherical surface and the central axis of an engine, the welding angle is ensured to be, a positioning hole 6 is formed in the center of the bottom surface of the mounting groove 4, and threaded holes 7 are formed in two sides of the positioning hole 6;

as shown in fig. 2, the bottom of the nozzle housing 8 is provided with a ball head 13, two sides of the ball head 13 are provided with fixing holes 11, the ball head 13 is installed in the positioning hole 6, the nozzle housing 8 is fixed on the bottom surface of the mounting groove 4 through the matching of a bolt 10 and a threaded hole 7, the bolt 10 is made of the same material as the nozzle housing 8 and is not easy to generate chemical reaction, and is more stable, one end of the bolt 10 penetrates through the fixing hole 11, the nozzle housing 8 is fixed on the bottom surface of the mounting groove 4 through the matching of the bolt 10 and the threaded hole 7, the side surfaces of the nozzle housing 8 are symmetrically provided with connecting ports 12.

A theory of operation of spouting oil ring welding frock do:

when in use, 14 nozzle shells 8 are firstly arranged on a 45-degree inclined plane, fastened by bolts 10 and connected in series by the communicating pipes 9 at the corresponding connecting ports 12;

then, the height point of the whole oil injection ring is calibrated, the fit clearance between the plane of the nozzle and the plane of the tool is ensured to be less than 0.02, a 0.03 feeler gauge is used for inspection, and the condition that the 0.03 feeler gauge does not pass through the clearance is qualified;

after the correction is finished, the nozzle shell 8 and the communicating pipe 9 are detached, brazing filler metal is coated on the connecting port 12 and the communicating pipe 9, assembly is carried out again after the coating is finished, fastening is carried out by using a bolt 10, and the fastening can be carried out by using a binding belt in an auxiliary mode;

after the integral assembly is finished, a handle 2 is arranged at the top of the truncated cone 1, and the handle 2 is lifted and placed into a vacuum brazing furnace for welding.

A spout a clamping of oil ring welding frock and target in place, improve the installation accuracy, avoid relapse location, the precision problem that the clamping arouses, prevent to appear warping and aversion in the welding process, a plurality of nozzle housings of clamping can weld in batches, improve frock of brazing and production efficiency, improve welding quality.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a spout oil ring welding frock, spout oil ring includes a plurality of nozzle shell (8), communicates its characterized in that through communicating pipe (9) between adjacent nozzle shell (8): including truncation cone (1), truncation cone (1) upper surface is equipped with handle (2), a plurality of mounting grooves (4) of truncation cone (1) side evenly distributed form trapezoidal inclined plane (5) between adjacent mounting groove (4), mounting groove (4) bottom surface is the rectangle of slope, mounting groove (4) bottom surface center department is equipped with locating hole (6), and locating hole (6) both sides are equipped with screw hole (7), install in locating hole (6) nozzle housing (8) bottom, nozzle housing (8) is fixed in on mounting groove (4) bottom surface through bolt (10) and screw hole (7) cooperation.

2. The oil spout ring welding frock of claim 1, characterized in that: the center of the truncated cone (1) is provided with a through hole (3).

3. The oil spout ring welding frock of claim 2, characterized in that: the bottom surface of the mounting groove (4) forms an included angle of 45 degrees with the horizontal direction.

4. The oil spout ring welding frock of claim 3, characterized in that: the nozzle is characterized in that a ball head (13) is arranged at the bottom of the nozzle shell (8), fixing holes (11) are formed in two sides of the ball head (13), the ball head (13) is installed in the positioning hole (6), and one end of a bolt (10) penetrates through the fixing hole (11) to be matched with the threaded hole (7) to fix the nozzle shell (8) on the bottom surface of the mounting groove (4).

5. The oil spout ring welding frock of claim 4, characterized in that: the nozzle shell (8) is symmetrically provided with connectors (12) on the side surface, the communicating pipe (9) is fixedly connected with the connectors (12), and the plurality of nozzle shells (8) are connected in series.

6. The oil spout ring welding frock of claim 5, characterized in that: the number of the nozzle shells (8) is 14.

7. The oil spout ring welding frock of any one of claims 1-6, characterized in that: the upper surface of the truncated cone (1) is provided with a handle mounting hole, and the two ends of the handle (2) are fixed in the handle mounting hole.