Aviation oil-gas separator welding device and use method thereof

Abstract

An aviation oil-gas separator welding device and a method of using the same belong to the technical field of parts welding. The upper end of the bottom plate is fixedly connected to the lower end of the vertical plate and the lower end of the support column, and the lower surface of the bottom plate is plug-connected with the first positioning pin; the upper surface of the bottom plate is plug-connected with the second positioning pin and the third positioning pin, and the vertical plate is vertically plugged with the second support rod and the first support rod in sequence from top to bottom, and the second support rod is coaxially fixedly connected with the limit shaft, and the limit shaft is fixedly connected with the angle head; the outer wall of the angle head is evenly provided with a plurality of operating grooves along its circumference, and the operating grooves are welding point positions, the upper end of the vertical plate is connected with the pressure plate by sliding limit, and the upper end of the support column is connected with the Y-type slider by sliding limit. The present invention adopts an integral side-lying structure, and all single parts are installed on one device, which reduces the errors caused by multiple assembly and welding, improves the adjustability and quick-change characteristics of the device, and improves the precision and economy of parts.

Description

Technical Field

[0001] The invention relates to an aviation oil-gas separator welding device and a use method thereof, belonging to the technical field of parts welding. Background Art

[0002] In the production process of the prior art, the oil-gas separator adopts a step-by-step welding method, that is, firstly, some parts are welded separately, and then the whole is assembled and welded. Although this multi-step and multi-link welding process improves the production flexibility to a certain extent, it has the following problems:

[0003] 1. Since each welding step may introduce certain errors, these errors will gradually accumulate as the assembly welding process continues, eventually leading to a decrease in the dimensional accuracy of the overall structure. This not only affects the separation efficiency of the oil-gas separator, but may also have an adverse effect on the overall performance of the aircraft engine.

[0004] 2. Multiple assembly and welding not only increase production hours, but may also lead to material waste and increased defective product rates. Summary of the invention

[0005] In order to solve the problems existing in the background technology, the present invention provides an aviation oil-gas separator welding device and a use method thereof.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an aviation oil-gas separator welding device, comprising a base plate, a vertical plate, a support rod 1, a support rod 2, a pressure plate, a Y-shaped slider, a support column, a positioning pin 1, a positioning pin 2, a positioning pin 3, an angle head and a limiting shaft; the upper end of the base plate is fixedly connected to the lower end of the vertical plate and the lower end of the support column, and the lower surface of the base plate is plug-connected with the positioning pin 1; the upper surface of the base plate is plug-connected with the positioning pin 2 and the positioning pin 3, and the vertical plate is vertically plugged with support rod 2 and support rod 1 in sequence from top to bottom, the support rod 2 is coaxially fixedly connected with the limiting shaft, and the limiting shaft is fixedly connected with the angle head; the outer wall of the angle head is evenly provided with a plurality of operating grooves along its circumference, the operating grooves are welding point positions, the upper end of the vertical plate is slidably limitedly connected to the pressure plate, and the upper end of the support column is slidably limitedly connected to the Y-shaped slider.

[0007] Bushings are arranged between the first positioning pin, the second positioning pin and the third positioning pin and the bottom plate.

[0008] The four corners of the lower end of the bottom plate are all provided with supporting legs.

[0009] A method for using an aviation oil-gas separator welding device of the present invention comprises the following steps:

[0010] S1: Fix the mounting base to the base plate through positioning pin 2 and positioning pin 3;

[0011] S2: Place the ventilation pipe on the mounting base and position it using support rod 1;

[0012] S3: pre-assemble the upper cover, the middle tube, the main body and the lower cover in sequence and position them by the second support rod;

[0013] S4: pre-assemble the intermediate pipe and the ventilation pipe;

[0014] S5: Fix the oil and gas pipe to the bottom plate through the positioning pin 1, and insert the upper end of the oil and gas pipe into the middle pipe;

[0015] S6: Limit the middle tube by the pressure plate;

[0016] S7: Limit the oil and gas pipes through the Y-type slider;

[0017] S8: Limit the lower cover by the angle head;

[0018] S9: Complete the overall positioning of the oil-gas separator and proceed with welding.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention adopts an integral side-lying structure and installs all single parts on one device, thereby reducing errors caused by multiple assembly and welding, improving the adjustability and quick-change characteristics of the device, and improving the accuracy and economy of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 yes Figure 1 AA section view;

[0023] Figure 3 yes Figure 1 Top view of the . DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] A welding device for an aviation oil-gas separator comprises a bottom plate 1, a vertical plate 2, a support rod 1 5, a support rod 2 6, a pressure plate 7, a Y-shaped slider 13, a support column 14, a positioning pin 18, a positioning pin 20, a positioning pin 3 22, an angle head 25 and a limiting shaft 26; the upper end of the bottom plate 1 is fixedly connected to the lower end of the vertical plate 2 and the lower end of the support column 14, and the lower surface of the bottom plate 1 is plug-connected with the positioning pin 18; the upper surface of the bottom plate 1 is plug-connected with the positioning pin 20 and the positioning pin 3 22, and the vertical plate 2 is fixed to the bottom plate 1 in a hidden embedded manner by corresponding screws and cylindrical pins; the support column 14 is fixed to the bottom plate 1 by corresponding screws and cylindrical pins; the vertical plate 2 is vertically plugged with the support rod 2 6 and the support rod 1 5 in sequence from top to bottom, and the support rod 1 5 is plugged with the support rod 2 6 and the support rod 1 5 in sequence from top to bottom. and support rod 26 are respectively used for positioning corresponding parts; the support rod 26 is coaxially fixedly connected with the limit shaft 26, and the limit shaft 26 is fixedly connected with the angle head 25 by corresponding screws; the outer wall of the angle head 25 is evenly provided with a plurality of operating grooves 24 along its circumference, and the operating grooves 24 are welding point positions, and the installation position of the angle head 25 can be changed by changing the thickness of the gasket between the angle head 25 and the lower cover, thereby forming more welding point positions; the upper end of the vertical plate 2 slides with the pressure plate 7 with the track groove and is connected by corresponding screw limits, and the position of the pressure plate 7 is adjustable to ensure that the clamping point is the optimal stress position of the part; the upper end of the support column 14 slides with the Y-type slider 13 through corresponding screws and washers and is connected by corresponding screw limits to ensure that the position of the oil and gas pipe is fully restricted.

[0026] Bushings are provided between the positioning pin 18, the positioning pin 20 and the positioning pin 3 22 and the bottom plate 1 to ensure quick replacement after wear.

[0027] The four corners of the lower end of the base plate 1 are provided with support legs 23 to achieve the adaptation of the device height to the welding machine.

[0028] The material used in the present invention is T8A, which enhances the wear resistance of the parts. At the same time, a weight-reducing groove is opened on the vertical plate to ensure convenient transportation during operation, providing a new idea and method for the manufacture of a welding device for an oil-gas separator with a similar structure.

[0029] A method for using an aviation oil-gas separator welding device of the present invention comprises the following steps:

[0030] S1: Fix the mounting base 3 on the base plate 1 through the second positioning pin 20 and the third positioning pin 22;

[0031] S2: Place the ventilation pipe 4 on the mounting base 3 and position it through the support rod 1 5;

[0032] S3: pre-assemble the upper cover 8, the middle tube 9, the main body 10 and the lower cover 11 in sequence and position them through the support rod 2 6;

[0033] S4: pre-assemble the intermediate pipe 9 and the ventilation pipe 4;

[0034] S5: Fix the oil and gas pipe 12 to the bottom plate 1 through the positioning pin 18, and insert the upper end of the oil and gas pipe 12 into the middle pipe 9;

[0035] S6: Limiting the intermediate tube 9 by the pressing plate 7;

[0036] S7: Limit the oil and gas pipe 12 by the Y-shaped slider 13;

[0037] S8: Limiting the lower cover 11 by the angle head 25;

[0038] S9: Complete the overall positioning of the oil-gas separator and proceed with welding.

[0039] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations within the meaning and range of equivalents of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0040] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An aviation oil-gas separator welding device, characterized in that: The invention comprises a bottom plate (1), a vertical plate (2), a first support rod (5), a second support rod (6), a pressure plate (7), a Y-shaped slider (13), a support column (14), a first positioning pin (18), a second positioning pin (20), a third positioning pin (22), an angle head (25) and a limit shaft (26); the upper end of the bottom plate (1) is fixedly connected to the lower end of the vertical plate (2) and the lower end of the support column (14); the lower surface of the bottom plate (1) is plug-connected to the first positioning pin (18); the upper surface of the bottom plate (1) is plug-connected to the second positioning pin (20) and the positioning pin The pin three (22) is plug-in connected, and the vertical plate (2) is vertically plugged with the support rod two (6) and the support rod one (5) in sequence from top to bottom. The support rod two (6) is coaxially fixedly connected with the limit shaft (26), and the limit shaft (26) is fixedly connected with the angle head (25); the outer wall of the angle head (25) is evenly provided with a plurality of operating grooves (24) along its circumference, and the operating grooves (24) are welding point positions. The upper end of the vertical plate (2) is slidably limitedly connected with the pressure plate (7), and the upper end of the support column (14) is slidably limitedly connected with the Y-shaped slider (13).

2. The aviation oil-gas separator welding device according to claim 1, characterized in that: Bushings are provided between the positioning pin 1 (18), the positioning pin 2 (20) and the positioning pin 3 (22) and the bottom plate (1).

3. The aviation oil-gas separator welding device according to claim 2, characterized in that: The four corners of the lower end of the base plate (1) are each provided with supporting legs (23).

4. A method for using the aviation oil-gas separator welding device according to any one of claims 1 to 3, characterized in that: The method comprises the following steps: S1: Fixing the mounting base (3) on the base plate (1) via the second positioning pin (20) and the third positioning pin (22); S2: placing the ventilation pipe (4) on the mounting base (3) and positioning it using the support rod 1 (5); S3: pre-assemble the upper cover (8), the middle tube (9), the main body (10) and the lower cover (11) in sequence and position them by means of the second support rod (6); S4: pre-assembling the intermediate pipe (9) and the ventilation pipe (4); S5: Fix the oil and gas pipe (12) on the bottom plate (1) through the positioning pin 1 (18), and insert the upper end of the oil and gas pipe (12) into the middle pipe (9); S6: Limiting the intermediate tube (9) by the pressing plate (7); S7: Limiting the oil and gas pipe (12) by means of a Y-shaped slider (13); S8: Limiting the lower cover (11) by the angle head (25); S9: Complete the overall positioning of the oil-gas separator and proceed with welding.

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