CN216029077U - Nozzle shell spot welding positioning tool - Google Patents
Nozzle shell spot welding positioning tool Download PDFInfo
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- CN216029077U CN216029077U CN202121285629.7U CN202121285629U CN216029077U CN 216029077 U CN216029077 U CN 216029077U CN 202121285629 U CN202121285629 U CN 202121285629U CN 216029077 U CN216029077 U CN 216029077U
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- cylinder
- nozzle shell
- spot welding
- welding positioning
- positioning tool
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Abstract
The utility model belongs to the technical field of vacuum brazing, and relates to a spot welding positioning tool for a nozzle shell. The tool comprises a base and a fixing ring matched with the base; the utility model discloses a portable electronic device, including solid fixed ring, solid fixed ring is the annular cylinder, annular cylinder's surface evenly distributed has a plurality of through-holes, the through-hole is including the observation hole that is used for the mounting hole of assembly locating pin and makes things convenient for the operation personnel to observe. Through the structural design of base, annular cylinder, through-hole and locating pin, install the locating pin on solid fixed ring earlier during the use, will install solid fixed ring, the pedestal mounting of locating pin to the nozzle shell again on, confirm whether centering is accurate through observing the hole to for the complete welding of nozzle shell facilitates in order to reach the design requirement, facilitates for subsequent processing. The spot welding positioning tool for the nozzle shell omits the process of argon arc welding spot welding positioning, and has the advantages of low cost, simple structure, easy operation, easy processing, short installation time and high working efficiency.
Description
Technical Field
The utility model belongs to the technical field of vacuum brazing, and relates to a spot welding positioning tool for a nozzle shell.
Background
The nozzle housing is an important part of an aircraft engine, and the machining precision of the nozzle housing directly influences the characteristic detection of the nozzle. The fuel parameter control is to ensure that the state of fuel entering the nozzle is close to the real running condition of the engine to the maximum extent when the performance of the nozzle is measured by simulating the temperature and the pressure of the fuel entering the nozzle during the actual running of the engine. However, to ensure reliability of fuel atomization, it is necessary to improve the machining accuracy of the nozzle housing to complete formation of the mixture, ensure stable combustion of the mixture, and improve combustion efficiency. At present, because the shell is separated from the nozzle, argon arc welding cannot be directly performed due to the difficulty in fixing during vacuum brazing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a spot welding positioning tool for a nozzle shell, so that the shell and a nozzle are completely welded, and convenience is brought to subsequent processing.
The purpose of the utility model is solved by the following technical scheme:
the spot welding positioning tool for the nozzle shell comprises a base and a fixing ring matched with the base; the utility model discloses a portable electronic device, including solid fixed ring, solid fixed ring is the annular cylinder, annular cylinder's surface evenly distributed has a plurality of through-holes, the through-hole is including the observation hole that is used for the mounting hole of assembly locating pin and makes things convenient for the operation personnel to observe.
Further, a nozzle shell is arranged between the base and the fixing ring.
Further, the number of the through holes is an even number not less than 8, and the number of the mounting holes and the number of the observation holes are both even numbers.
Furthermore, mounting hole, observation hole all evenly distributed in the surface of annular cylinder, and there is the distance between mounting hole, the observation hole.
Further, locating pin integrated into one piece, including first cylinder, second cylinder, third cylinder and the fourth cylinder that from top to bottom distributes in proper order, first cylinder, second cylinder, third cylinder, fourth cylindrical diameter crescent.
Further, the mounting hole is matched with the structure of the positioning pin.
Further, the outer surface of the second cylinder is provided with threads.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: this frock passes through the structural design of base, annular cylinder, through-hole and locating pin, installs the locating pin on solid fixed ring earlier during the use, and on solid fixed ring, the pedestal mounting to the nozzle shell that will install the locating pin again, whether the centering is accurate through observing the hole determination to for the complete welding of nozzle shell facilitates in order to reach the designing requirement, facilitates for subsequent processing.
In addition, the locating pin adopts the integrated into one piece structure, and wherein, the diameter crescent of first cylinder, second cylinder, third cylinder, fourth cylinder forms a plurality of steps, can rely on the first step location of locating pin front end, and the screw thread is screwed up simply, easy operation, and whole location frock has workable, efficient, installation time is short, advantage with low costs.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural view of a nozzle shell spot welding positioning tool provided by the utility model;
FIG. 2 is an installation drawing of a spot welding positioning tool for a nozzle shell provided by the utility model;
FIG. 3 is a use diagram of the nozzle shell spot welding positioning tool provided by the utility model for positioning;
fig. 4 is a schematic structural diagram of a positioning pin provided by the present invention.
Wherein: 1. a base; 2. a fixing ring; 3. positioning pins; 4. mounting holes; 5. an observation hole; 6. a nozzle housing; 7. a first cylinder; 8. a second cylinder; 9. a third cylinder; 10. and a fourth cylinder.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the utility model, as detailed in the appended claims.
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and examples.
Examples
Referring to fig. 1, the utility model provides a spot welding positioning tool for a nozzle shell, which comprises a base 1 and a fixing ring 2 matched with the base 1; the fixing ring 2 is an annular cylinder, a plurality of through holes are uniformly distributed on the outer surface of the annular cylinder, and the through holes comprise mounting holes 4 for assembling positioning pins 3 and observation holes 5 convenient for operators to observe.
Further, a nozzle housing 6 is provided between the base 1 and the fixing ring 2.
Further, the number of the through holes is an even number not less than 8, and the number of the mounting holes 4 and the number of the observation holes 5 are both even numbers.
Optionally, the number of the through holes is eight, and the number of the mounting holes 4 and the number of the observation holes 5 are four respectively.
Further, the mounting holes 4 and the observation holes 5 are uniformly distributed on the outer surface of the annular cylinder, and a distance exists between the mounting holes 4 and the observation holes 5.
Further, 3 integrated into one piece of locating pin, including first cylinder 7, second cylinder 8, third cylinder 9 and the fourth cylinder 10 that from top to bottom distributes in proper order, the diameter of first cylinder 7, second cylinder 8, third cylinder 9, fourth cylinder 10 increases gradually.
Further, the mounting hole 4 is matched with the structure of the positioning pin 3.
Further, the outer surface of the second cylinder 8 is provided with threads.
In conclusion, this application provides this kind of spot welding location frock, its installation and use are as follows:
first, four positioning pins 3 are prepared, the structure of which is shown in fig. 3;
secondly, respectively installing four positioning pins 3 at four installation holes 4 arranged on the annular cylinder;
then, the annular cylinder, base 1, with locating pin 3 installed, is mounted to nozzle housing 6, see fig. 2;
finally, whether the position of the nozzle shell 6 needs to be adjusted or not is observed through the four observation holes 5, and if needed, the centering accuracy is guaranteed through adjusting the positioning pins 3.
After the installation is finished, the nozzle shell 6 is completely welded to meet the design requirement, and convenience is brought to subsequent processing.
In conclusion, the spot welding positioning tool for the nozzle shell 6 provided by the utility model can realize positioning of the nozzle shell 6 through the positioning pin 3, and whether the centering is accurate is determined through the observation hole 5; the tool saves the process of argon arc welding spot welding positioning, and has the advantages of low cost, simple structure, easy operation, easy processing, short installation time and high working efficiency.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.
It will be understood that the utility model is not limited to the above, but may be modified and varied without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (7)
1. A spot welding positioning tool for a nozzle shell is characterized by comprising a base (1) and a fixing ring (2) matched with the base (1); the fixing ring (2) is an annular cylinder, a plurality of through holes are uniformly distributed on the outer surface of the annular cylinder, and the through holes comprise mounting holes (4) for assembling positioning pins (3) and observation holes (5) convenient for operators to observe.
2. The spot welding positioning tool for the nozzle shell according to claim 1, wherein the nozzle shell (6) is arranged between the base (1) and the fixing ring (2).
3. The nozzle shell spot welding positioning tool according to claim 1, wherein the number of the through holes is an even number not less than 8, and the number of the mounting holes (4) and the number of the observation holes (5) are both even numbers.
4. The nozzle shell spot welding positioning tool according to claim 3, wherein the mounting holes (4) and the observation holes (5) are uniformly distributed on the outer surface of the annular cylinder, and a distance exists between the mounting holes (4) and the observation holes (5).
5. The nozzle shell spot welding positioning tool according to claim 1, wherein the positioning pin (3) is integrally formed and comprises a first cylinder (7), a second cylinder (8), a third cylinder (9) and a fourth cylinder (10) which are sequentially distributed from top to bottom, and the diameters of the first cylinder (7), the second cylinder (8), the third cylinder (9) and the fourth cylinder (10) are gradually increased.
6. The nozzle shell spot welding positioning tool according to claim 5, wherein the mounting hole (4) is matched with the positioning pin (3) in structure.
7. The nozzle shell spot welding positioning tool according to claim 5, characterized in that the outer surface of the second cylinder (8) is provided with threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121285629.7U CN216029077U (en) | 2021-06-09 | 2021-06-09 | Nozzle shell spot welding positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121285629.7U CN216029077U (en) | 2021-06-09 | 2021-06-09 | Nozzle shell spot welding positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216029077U true CN216029077U (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121285629.7U Active CN216029077U (en) | 2021-06-09 | 2021-06-09 | Nozzle shell spot welding positioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216029077U (en) |
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2021
- 2021-06-09 CN CN202121285629.7U patent/CN216029077U/en active Active
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